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srenblad:filter_inject_request
srenblad:patch_repeater_inject
srenblad:use_new_zynq_rs
srenblad:bump_to_latest
srenblad:si5324_investigation
srenblad:format_rt_comms
srenblad:run_idle_on_flash_alt
srenblad:run_idle_on_flash
srenblad:drtio_inject_bug
srenblad:fix_nalgebra_typo
srenblad:lock_firmware_build
srenblad:consistent_idle_kernel
srenblad:idle_kernel_rework_simple
srenblad:add_llvm_from_zynq_rs
srenblad:fix_linking_issue
srenblad:idle_kernel_rework
srenblad:release-7
srenblad:release-6
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M-Labs:release-8
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M-Labs:release-6
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srenblad:filter_inject_request
srenblad:patch_repeater_inject
srenblad:use_new_zynq_rs
srenblad:bump_to_latest
srenblad:si5324_investigation
srenblad:format_rt_comms
srenblad:run_idle_on_flash_alt
srenblad:run_idle_on_flash
srenblad:drtio_inject_bug
srenblad:fix_nalgebra_typo
srenblad:lock_firmware_build
srenblad:consistent_idle_kernel
srenblad:idle_kernel_rework_simple
srenblad:add_llvm_from_zynq_rs
srenblad:fix_linking_issue
srenblad:idle_kernel_rework
srenblad:release-7
srenblad:master
srenblad:release-6
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M-Labs:release-8
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M-Labs:release-6

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2
README.md
View File

@ -62,7 +62,7 @@ Notes:
License
-------
Copyright (C) 2019-2024 M-Labs Limited.
Copyright (C) 2019-2023 M-Labs Limited.
ARTIQ is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by

112
flake.lock
View File

@ -3,19 +3,19 @@
"artiq": {
"inputs": {
"artiq-comtools": "artiq-comtools",
"mozilla-overlay": "mozilla-overlay",
"nixpkgs": "nixpkgs",
"rust-overlay": "rust-overlay",
"sipyco": "sipyco",
"src-migen": "src-migen",
"src-misoc": "src-misoc",
"src-pythonparser": "src-pythonparser"
},
"locked": {
"lastModified": 1724411572,
"narHash": "sha256-33vj/pJ9iaVvaFP8uuBKMSQPN20mRlCbeBkTCNc9WB4=",
"lastModified": 1697537883,
"narHash": "sha256-GfadmYHFkczltX+rPf08YpAHjYa/31ZmmVD578BcFow=",
"ref": "refs/heads/master",
"rev": "352cf907ee67f7db5478fe23217cd5fcb7334617",
"revCount": 8996,
"rev": "b168f0bb4be1697ff100475c20ee304dcc31fcc2",
"revCount": 8573,
"type": "git",
"url": "https://github.com/m-labs/artiq.git"
},
@ -37,11 +37,11 @@
]
},
"locked": {
"lastModified": 1720768567,
"narHash": "sha256-3VoK7o5MtHtbHLrc6Pv+eQWFtaz5Gd/YWyV5TD3c5Ss=",
"lastModified": 1693473687,
"narHash": "sha256-BdLddCWbvoEyakcGwhph9b5dIU1iA0hCQV7KYgU8nos=",
"owner": "m-labs",
"repo": "artiq-comtools",
"rev": "f93570d8f2ed5a3cfb3e1c16ab00f2540551e994",
"rev": "f522ef3dbc65961f17b2d3d41e927409d970fd79",
"type": "github"
},
"original": {
@ -55,11 +55,11 @@
"systems": "systems"
},
"locked": {
"lastModified": 1710146030,
"narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
"lastModified": 1692799911,
"narHash": "sha256-3eihraek4qL744EvQXsK1Ha6C3CR7nnT8X2qWap4RNk=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
"rev": "f9e7cf818399d17d347f847525c5a5a8032e4e44",
"type": "github"
},
"original": {
@ -71,11 +71,11 @@
"mozilla-overlay": {
"flake": false,
"locked": {
"lastModified": 1704373101,
"narHash": "sha256-+gi59LRWRQmwROrmE1E2b3mtocwueCQqZ60CwLG+gbg=",
"lastModified": 1695805681,
"narHash": "sha256-1ElPLD8eFfnuIk0G52HGGpRtQZ4QPCjChRlEOfkZ5ro=",
"owner": "mozilla",
"repo": "nixpkgs-mozilla",
"rev": "9b11a87c0cc54e308fa83aac5b4ee1816d5418a2",
"rev": "6eabade97bc28d707a8b9d82ad13ef143836736e",
"type": "github"
},
"original": {
@ -87,11 +87,27 @@
"mozilla-overlay_2": {
"flake": false,
"locked": {
"lastModified": 1704373101,
"narHash": "sha256-+gi59LRWRQmwROrmE1E2b3mtocwueCQqZ60CwLG+gbg=",
"lastModified": 1695805681,
"narHash": "sha256-1ElPLD8eFfnuIk0G52HGGpRtQZ4QPCjChRlEOfkZ5ro=",
"owner": "mozilla",
"repo": "nixpkgs-mozilla",
"rev": "9b11a87c0cc54e308fa83aac5b4ee1816d5418a2",
"rev": "6eabade97bc28d707a8b9d82ad13ef143836736e",
"type": "github"
},
"original": {
"owner": "mozilla",
"repo": "nixpkgs-mozilla",
"type": "github"
}
},
"mozilla-overlay_3": {
"flake": false,
"locked": {
"lastModified": 1695805681,
"narHash": "sha256-1ElPLD8eFfnuIk0G52HGGpRtQZ4QPCjChRlEOfkZ5ro=",
"owner": "mozilla",
"repo": "nixpkgs-mozilla",
"rev": "6eabade97bc28d707a8b9d82ad13ef143836736e",
"type": "github"
},
"original": {
@ -102,16 +118,16 @@
},
"nixpkgs": {
"locked": {
"lastModified": 1723362943,
"narHash": "sha256-dFZRVSgmJkyM0bkPpaYRtG/kRMRTorUIDj8BxoOt1T4=",
"lastModified": 1697226376,
"narHash": "sha256-cumLLb1QOUtWieUnLGqo+ylNt3+fU8Lcv5Zl+tYbRUE=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "a58bc8ad779655e790115244571758e8de055e3d",
"rev": "898cb2064b6e98b8c5499f37e81adbdf2925f7c5",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixos-unstable",
"ref": "nixos-23.05",
"repo": "nixpkgs",
"type": "github"
}
@ -119,32 +135,10 @@
"root": {
"inputs": {
"artiq": "artiq",
"mozilla-overlay": "mozilla-overlay",
"mozilla-overlay": "mozilla-overlay_2",
"zynq-rs": "zynq-rs"
}
},
"rust-overlay": {
"inputs": {
"nixpkgs": [
"artiq",
"nixpkgs"
]
},
"locked": {
"lastModified": 1719454714,
"narHash": "sha256-MojqG0lyUINkEk0b3kM2drsU5vyaF8DFZe/FAlZVOGs=",
"owner": "oxalica",
"repo": "rust-overlay",
"rev": "d1c527659cf076ecc4b96a91c702d080b213801e",
"type": "github"
},
"original": {
"owner": "oxalica",
"ref": "snapshot/2024-08-01",
"repo": "rust-overlay",
"type": "github"
}
},
"sipyco": {
"inputs": {
"nixpkgs": [
@ -153,11 +147,11 @@
]
},
"locked": {
"lastModified": 1717637367,
"narHash": "sha256-4mSm9wl5EMgzzrW6w86IDUevkEOT99FESHGcxcyQbD0=",
"lastModified": 1697528004,
"narHash": "sha256-FFa2MbhAJEjwY58uOs0swvgymfjubHyWba6Q0X6CbB0=",
"owner": "m-labs",
"repo": "sipyco",
"rev": "02b96ec2473a3c3d3c980899de2564ddce949dab",
"rev": "c0a7ed350ccfb85474217057fc47b3f258ca8d99",
"type": "github"
},
"original": {
@ -169,11 +163,11 @@
"src-migen": {
"flake": false,
"locked": {
"lastModified": 1721561053,
"narHash": "sha256-z3LRhNmKZrjr6rFD0yxtccSa/SWvFIYmb+G/D5d2Jd8=",
"lastModified": 1697013661,
"narHash": "sha256-qNCqgWyE4vTDmyjE2XMJqW1djuBxT25A36AzQfZqluU=",
"owner": "m-labs",
"repo": "migen",
"rev": "9279e8623f8433bc4f23ac51e5e2331bfe544417",
"rev": "aadc19df93b7aa9ca761aaebbb98a11e0cf2d7c7",
"type": "github"
},
"original": {
@ -185,11 +179,11 @@
"src-misoc": {
"flake": false,
"locked": {
"lastModified": 1715647536,
"narHash": "sha256-q+USDcaKHABwW56Jzq8u94iGPWlyLXMyVt0j/Gyg+IE=",
"lastModified": 1693709836,
"narHash": "sha256-YiCk05RYLzZu1CYkQ2r7XtjwVEqkUGTQn388uOls9tI=",
"ref": "refs/heads/master",
"rev": "fea9de558c730bc394a5936094ae95bb9d6fa726",
"revCount": 2455,
"rev": "58dc4ee60d165ce9145cf3d904241fc154b6407f",
"revCount": 2448,
"submodules": true,
"type": "git",
"url": "https://github.com/m-labs/misoc.git"
@ -233,18 +227,18 @@
},
"zynq-rs": {
"inputs": {
"mozilla-overlay": "mozilla-overlay_2",
"mozilla-overlay": "mozilla-overlay_3",
"nixpkgs": [
"artiq",
"nixpkgs"
]
},
"locked": {
"lastModified": 1720537402,
"narHash": "sha256-ybvaQ48SVBqYVqgYmGUdefGZkni7PJ90qYQPHnFOwDs=",
"lastModified": 1697795161,
"narHash": "sha256-p89w9eoFJ2VFTDZ5Mrv5vsH0E1Ko9z1C6Ett281hCHg=",
"ref": "refs/heads/master",
"rev": "b2b3e5c933cbc4b7cb14adde480d7561a3ae71ee",
"revCount": 648,
"rev": "be672ab662d8134ee11412a651864824f6483d4a",
"revCount": 630,
"type": "git",
"url": "https://git.m-labs.hk/m-labs/zynq-rs"
},

75
flake.nix
View File

@ -11,18 +11,17 @@
pkgs = import artiq.inputs.nixpkgs { system = "x86_64-linux"; overlays = [ (import mozilla-overlay) ]; };
zynqpkgs = zynq-rs.packages.x86_64-linux;
artiqpkgs = artiq.packages.x86_64-linux;
llvmPackages_11 = zynq-rs.llvmPackages_11;
rust = zynq-rs.rust;
rustPlatform = zynq-rs.rustPlatform;
fastnumbers = pkgs.python3Packages.buildPythonPackage rec {
pname = "fastnumbers";
version = "5.1.0";
version = "2.2.1";
src = pkgs.python3Packages.fetchPypi {
inherit pname version;
sha256 = "sha256-4JLTP4uVwxcaL7NOV57+DFSwKQ3X+W/6onYkN2AdkKc=";
sha256 = "0j15i54p7nri6hkzn1wal9pxri4pgql01wgjccig6ar0v5jjbvsy";
};
};
@ -79,7 +78,6 @@
# migen/misoc version checks are broken with pyproject for some reason
postPatch = ''
sed -i "1,4d" pyproject.toml
substituteInPlace pyproject.toml \
--replace '"migen@git+https://github.com/m-labs/migen",' ""
substituteInPlace pyproject.toml \
@ -114,7 +112,7 @@
"nist_clock_satellite" "nist_qc2_satellite" "acpki_nist_clock_satellite" "acpki_nist_qc2_satellite"
"nist_clock_satellite_100mhz" "nist_qc2_satellite_100mhz" "acpki_nist_clock_satellite_100mhz" "acpki_nist_qc2_satellite_100mhz"
];
board-package-set = { target, variant, json ? null }: let
build = { target, variant, json ? null }: let
szl = zynqpkgs."${target}-szl";
fsbl = zynqpkgs."${target}-fsbl";
fwtype = if builtins.elem variant sat_variants then "satman" else "runtime";
@ -124,22 +122,18 @@
src = ./src;
cargoLock = {
lockFile = src/Cargo.lock;
outputHashes = {
"tar-no-std-0.1.8" = "sha256-xm17108v4smXOqxdLvHl9CxTCJslmeogjm4Y87IXFuM=";
"nalgebra-0.32.6" = "sha256-L/YudkVOtfGYoNQKBD7LMk/sMYgRDzPDdpGL5rO7G2I=";
};
};
nativeBuildInputs = [
pkgs.gnumake
(pkgs.python3.withPackages(ps: [ ps.jsonschema artiqpkgs.migen migen-axi artiqpkgs.misoc artiqpkgs.artiq ]))
zynqpkgs.cargo-xbuild
llvmPackages_11.llvm
llvmPackages_11.clang-unwrapped
pkgs.llvmPackages_9.llvm
pkgs.llvmPackages_9.clang-unwrapped
];
buildPhase = ''
export XARGO_RUST_SRC="${rust}/lib/rustlib/src/rust/library"
export CLANG_EXTRA_INCLUDE_DIR="${llvmPackages_11.clang-unwrapped.lib}/lib/clang/11.1.0/include"
export CLANG_EXTRA_INCLUDE_DIR="${pkgs.llvmPackages_9.clang-unwrapped.lib}/lib/clang/9.0.1/include"
export CARGO_HOME=$(mktemp -d cargo-home.XXX)
export ZYNQ_RS=${zynq-rs}
make TARGET=${target} GWARGS="${if json == null then "-V ${variant}" else json}" ${fwtype}
@ -155,7 +149,6 @@
doCheck = false;
dontFixup = true;
auditable = false;
};
gateware = pkgs.runCommand "${target}-${variant}-gateware"
{
@ -275,7 +268,7 @@
};
# for hitl-tests
zc706-nist_qc2 = (board-package-set { target = "zc706"; variant = "nist_qc2"; });
zc706-nist_qc2 = (build { target = "zc706"; variant = "nist_qc2"; });
zc706-hitl-tests = pkgs.stdenv.mkDerivation {
name = "zc706-hitl-tests";
@ -342,29 +335,29 @@
{
inherit fastnumbers artiq-netboot ramda migen-axi binutils-arm;
} //
(board-package-set { target = "zc706"; variant = "nist_clock"; }) //
(board-package-set { target = "zc706"; variant = "nist_clock_master"; }) //
(board-package-set { target = "zc706"; variant = "nist_clock_master_100mhz"; }) //
(board-package-set { target = "zc706"; variant = "nist_clock_satellite"; }) //
(board-package-set { target = "zc706"; variant = "nist_clock_satellite_100mhz"; }) //
(board-package-set { target = "zc706"; variant = "nist_qc2"; }) //
(board-package-set { target = "zc706"; variant = "nist_qc2_master"; }) //
(board-package-set { target = "zc706"; variant = "nist_qc2_master_100mhz"; }) //
(board-package-set { target = "zc706"; variant = "nist_qc2_satellite"; }) //
(board-package-set { target = "zc706"; variant = "nist_qc2_satellite_100mhz"; }) //
(board-package-set { target = "zc706"; variant = "acpki_nist_clock"; }) //
(board-package-set { target = "zc706"; variant = "acpki_nist_clock_master"; }) //
(board-package-set { target = "zc706"; variant = "acpki_nist_clock_master_100mhz"; }) //
(board-package-set { target = "zc706"; variant = "acpki_nist_clock_satellite"; }) //
(board-package-set { target = "zc706"; variant = "acpki_nist_clock_satellite_100mhz"; }) //
(board-package-set { target = "zc706"; variant = "acpki_nist_qc2"; }) //
(board-package-set { target = "zc706"; variant = "acpki_nist_qc2_master"; }) //
(board-package-set { target = "zc706"; variant = "acpki_nist_qc2_master_100mhz"; }) //
(board-package-set { target = "zc706"; variant = "acpki_nist_qc2_satellite"; }) //
(board-package-set { target = "zc706"; variant = "acpki_nist_qc2_satellite_100mhz"; }) //
(board-package-set { target = "kasli_soc"; variant = "demo"; json = ./demo.json; }) //
(board-package-set { target = "kasli_soc"; variant = "master"; json = ./kasli-soc-master.json; }) //
(board-package-set { target = "kasli_soc"; variant = "satellite"; json = ./kasli-soc-satellite.json; });
(build { target = "zc706"; variant = "nist_clock"; }) //
(build { target = "zc706"; variant = "nist_clock_master"; }) //
(build { target = "zc706"; variant = "nist_clock_master_100mhz"; }) //
(build { target = "zc706"; variant = "nist_clock_satellite"; }) //
(build { target = "zc706"; variant = "nist_clock_satellite_100mhz"; }) //
(build { target = "zc706"; variant = "nist_qc2"; }) //
(build { target = "zc706"; variant = "nist_qc2_master"; }) //
(build { target = "zc706"; variant = "nist_qc2_master_100mhz"; }) //
(build { target = "zc706"; variant = "nist_qc2_satellite"; }) //
(build { target = "zc706"; variant = "nist_qc2_satellite_100mhz"; }) //
(build { target = "zc706"; variant = "acpki_nist_clock"; }) //
(build { target = "zc706"; variant = "acpki_nist_clock_master"; }) //
(build { target = "zc706"; variant = "acpki_nist_clock_master_100mhz"; }) //
(build { target = "zc706"; variant = "acpki_nist_clock_satellite"; }) //
(build { target = "zc706"; variant = "acpki_nist_clock_satellite_100mhz"; }) //
(build { target = "zc706"; variant = "acpki_nist_qc2"; }) //
(build { target = "zc706"; variant = "acpki_nist_qc2_master"; }) //
(build { target = "zc706"; variant = "acpki_nist_qc2_master_100mhz"; }) //
(build { target = "zc706"; variant = "acpki_nist_qc2_satellite"; }) //
(build { target = "zc706"; variant = "acpki_nist_qc2_satellite_100mhz"; }) //
(build { target = "kasli_soc"; variant = "demo"; json = ./demo.json; }) //
(build { target = "kasli_soc"; variant = "master"; json = ./kasli-soc-master.json; }) //
(build { target = "kasli_soc"; variant = "satellite"; json = ./kasli-soc-satellite.json; });
hydraJobs = packages.x86_64-linux // { inherit zc706-hitl-tests; inherit gateware-sim; inherit fmt-check; };
@ -372,8 +365,8 @@
name = "artiq-zynq-dev-shell";
buildInputs = with pkgs; [
rust
llvmPackages_11.llvm
llvmPackages_11.clang-unwrapped
llvmPackages_9.llvm
llvmPackages_9.clang-unwrapped
gnumake
cacert
zynqpkgs.cargo-xbuild
@ -386,13 +379,13 @@
binutils-arm
];
XARGO_RUST_SRC = "${rust}/lib/rustlib/src/rust/library";
CLANG_EXTRA_INCLUDE_DIR = "${llvmPackages_11.clang-unwrapped.lib}/lib/clang/11.1.0/include";
CLANG_EXTRA_INCLUDE_DIR = "${pkgs.llvmPackages_9.clang-unwrapped.lib}/lib/clang/9.0.1/include";
ZYNQ_RS = "${zynq-rs}";
OPENOCD_ZYNQ = "${zynq-rs}/openocd";
SZL = "${zynqpkgs.szl}";
};
makeArtiqZynqPackage = board-package-set;
makeArtiqZynqPackage = build;
};
}

94
src/Cargo.lock generated
View File

@ -2,21 +2,6 @@
# It is not intended for manual editing.
version = 3
[[package]]
name = "approx"
version = "0.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cab112f0a86d568ea0e627cc1d6be74a1e9cd55214684db5561995f6dad897c6"
dependencies = [
"num-traits",
]
[[package]]
name = "arrayvec"
version = "0.7.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "96d30a06541fbafbc7f82ed10c06164cfbd2c401138f6addd8404629c4b16711"
[[package]]
name = "async-recursion"
version = "0.3.2"
@ -255,7 +240,6 @@ dependencies = [
"libsupport_zynq",
"log",
"log_buffer",
"nalgebra",
"nb 0.1.3",
"unwind",
"vcell",
@ -392,19 +376,6 @@ version = "0.7.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c75de51135344a4f8ed3cfe2720dc27736f7711989703a0b43aadf3753c55577"
[[package]]
name = "nalgebra"
version = "0.32.6"
source = "git+https://git.m-labs.hk/M-Labs/nalgebra.git?rev=dd00f9b#dd00f9b46046e0b931d1b470166db02fd29591be"
dependencies = [
"approx",
"num-complex",
"num-rational",
"num-traits",
"simba",
"typenum",
]
[[package]]
name = "nb"
version = "0.1.3"
@ -420,15 +391,6 @@ version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "546c37ac5d9e56f55e73b677106873d9d9f5190605e41a856503623648488cae"
[[package]]
name = "num-complex"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "26873667bbbb7c5182d4a37c1add32cdf09f841af72da53318fdb81543c15085"
dependencies = [
"num-traits",
]
[[package]]
name = "num-derive"
version = "0.3.3"
@ -440,26 +402,6 @@ dependencies = [
"syn",
]
[[package]]
name = "num-integer"
version = "0.1.46"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7969661fd2958a5cb096e56c8e1ad0444ac2bbcd0061bd28660485a44879858f"
dependencies = [
"num-traits",
]
[[package]]
name = "num-rational"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d41702bd167c2df5520b384281bc111a4b5efcf7fbc4c9c222c815b07e0a6a6a"
dependencies = [
"autocfg",
"num-integer",
"num-traits",
]
[[package]]
name = "num-traits"
version = "0.2.15"
@ -467,15 +409,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
dependencies = [
"autocfg",
"libm",
]
[[package]]
name = "paste"
version = "1.0.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
[[package]]
name = "pin-project-lite"
version = "0.2.9"
@ -539,7 +474,6 @@ dependencies = [
"log_buffer",
"num-derive",
"num-traits",
"tar-no-std",
"unwind",
"vcell",
"void",
@ -582,18 +516,6 @@ version = "0.1.20"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d4f410fedcf71af0345d7607d246e7ad15faaadd49d240ee3b24e5dc21a820ac"
[[package]]
name = "simba"
version = "0.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "50582927ed6f77e4ac020c057f37a268fc6aebc29225050365aacbb9deeeddc4"
dependencies = [
"approx",
"num-complex",
"num-traits",
"paste",
]
[[package]]
name = "smoltcp"
version = "0.7.5"
@ -616,22 +538,6 @@ dependencies = [
"unicode-ident",
]
[[package]]
name = "tar-no-std"
version = "0.1.8"
source = "git+https://git.m-labs.hk/M-Labs/tar-no-std?rev=2ab6dc5#2ab6dc58e5249c59c4eb03eaf3a119bcdd678d32"
dependencies = [
"arrayvec",
"bitflags",
"log",
]
[[package]]
name = "typenum"
version = "1.17.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
[[package]]
name = "unicode-ident"
version = "1.0.5"

119
src/gateware/ddmtd.py
View File

@ -1,119 +0,0 @@
from migen import *
from migen.genlib.cdc import PulseSynchronizer, MultiReg
from misoc.interconnect.csr import *
class DDMTDSampler(Module):
def __init__(self, cd_ref, main_clk_se):
self.ref_beating = Signal()
self.main_beating = Signal()
# # #
ref_clk = Signal()
self.specials +=[
# ISERDESE2 can only be driven from fabric via IDELAYE2 (see UG471)
Instance("IDELAYE2",
p_DELAY_SRC="DATAIN",
p_HIGH_PERFORMANCE_MODE="TRUE",
p_REFCLK_FREQUENCY=208.3, # REFCLK frequency from IDELAYCTRL
p_IDELAY_VALUE=0,
i_DATAIN=cd_ref.clk,
o_DATAOUT=ref_clk
),
Instance("ISERDESE2",
p_IOBDELAY="IFD", # use DDLY as input
p_DATA_RATE="SDR",
p_DATA_WIDTH=2, # min is 2
p_NUM_CE=1,
i_DDLY=ref_clk,
i_CE1=1,
i_CLK=ClockSignal("helper"),
i_CLKDIV=ClockSignal("helper"),
o_Q1=self.ref_beating
),
Instance("ISERDESE2",
p_DATA_RATE="SDR",
p_DATA_WIDTH=2, # min is 2
p_NUM_CE=1,
i_D=main_clk_se,
i_CE1=1,
i_CLK=ClockSignal("helper"),
i_CLKDIV=ClockSignal("helper"),
o_Q1=self.main_beating,
),
]
class DDMTDDeglitcherMedianEdge(Module):
def __init__(self, counter, input_signal, stable_0_period=100, stable_1_period=100):
self.tag = Signal(len(counter))
self.detect = Signal()
stable_0_counter = Signal(reset=stable_0_period - 1, max=stable_0_period)
stable_1_counter = Signal(reset=stable_1_period - 1, max=stable_1_period)
# # #
# Based on CERN's median edge deglitcher FSM
# https://white-rabbit.web.cern.ch/documents/Precise_time_and_frequency_transfer_in_a_White_Rabbit_network.pdf (p.72)
fsm = ClockDomainsRenamer("helper")(FSM(reset_state="WAIT_STABLE_0"))
self.submodules += fsm
fsm.act("WAIT_STABLE_0",
If(stable_0_counter != 0,
NextValue(stable_0_counter, stable_0_counter - 1)
).Else(
NextValue(stable_0_counter, stable_0_period - 1),
NextState("WAIT_EDGE")
),
If(input_signal,
NextValue(stable_0_counter, stable_0_period - 1)
),
)
fsm.act("WAIT_EDGE",
If(input_signal,
NextValue(self.tag, counter),
NextState("GOT_EDGE")
)
)
fsm.act("GOT_EDGE",
If(stable_1_counter != 0,
NextValue(stable_1_counter, stable_1_counter - 1)
).Else(
NextValue(stable_1_counter, stable_1_period - 1),
self.detect.eq(1),
NextState("WAIT_STABLE_0")
),
If(~input_signal,
NextValue(self.tag, self.tag + 1),
NextValue(stable_1_counter, stable_1_period - 1)
),
)
class DDMTD(Module):
def __init__(self, counter, input_signal):
# in helper clock domain
self.h_tag = Signal(len(counter))
self.h_tag_update = Signal()
# # #
deglitcher = DDMTDDeglitcherMedianEdge(counter, input_signal)
self.submodules += deglitcher
self.sync.helper += [
self.h_tag_update.eq(0),
If(deglitcher.detect,
self.h_tag_update.eq(1),
self.h_tag.eq(deglitcher.tag)
)
]

14
src/gateware/drtio_aux_controller.py
View File

@ -1,12 +1,12 @@
"""Auxiliary controller, common to satellite and master"""
from artiq.gateware.drtio.aux_controller import (max_packet, aux_buffer_count,
Transmitter, Receiver)
from artiq.gateware.drtio.aux_controller import Transmitter, Receiver
from migen.fhdl.simplify import FullMemoryWE
from misoc.interconnect.csr import *
from migen_axi.interconnect.sram import SRAM
from migen_axi.interconnect import axi
max_packet = 1024
class _DRTIOAuxControllerBase(Module):
def __init__(self, link_layer):
@ -27,12 +27,12 @@ class DRTIOAuxControllerAxi(_DRTIOAuxControllerBase):
tx_sdram_if = SRAM(self.transmitter.mem, read_only=False)
rx_sdram_if = SRAM(self.receiver.mem, read_only=True)
aw_decoder = axi.AddressDecoder(self.bus.aw,
[(lambda a: a[log2_int(max_packet*aux_buffer_count)] == 0, tx_sdram_if.bus.aw),
(lambda a: a[log2_int(max_packet*aux_buffer_count)] == 1, rx_sdram_if.bus.aw)],
[(lambda a: a[log2_int(max_packet)] == 0, tx_sdram_if.bus.aw),
(lambda a: a[log2_int(max_packet)] == 1, rx_sdram_if.bus.aw)],
register=True)
ar_decoder = axi.AddressDecoder(self.bus.ar,
[(lambda a: a[log2_int(max_packet*aux_buffer_count)] == 0, tx_sdram_if.bus.ar),
(lambda a: a[log2_int(max_packet*aux_buffer_count)] == 1, rx_sdram_if.bus.ar)],
[(lambda a: a[log2_int(max_packet)] == 0, tx_sdram_if.bus.ar),
(lambda a: a[log2_int(max_packet)] == 1, rx_sdram_if.bus.ar)],
register=True)
# unlike wb, axi address decoder only connects ar/aw lanes,
# the rest must also be connected!
@ -82,4 +82,4 @@ class DRTIOAuxControllerBare(_DRTIOAuxControllerBase):
return self.receiver.mem.get_port(write_capable=False)
def get_mem_size(self):
return max_packet*aux_buffer_count
return max_packet

88
src/gateware/kasli_soc.py
View File

@ -20,7 +20,6 @@ from artiq.gateware.drtio.transceiver import gtx_7series, eem_serdes
from artiq.gateware.drtio.siphaser import SiPhaser7Series
from artiq.gateware.drtio.rx_synchronizer import XilinxRXSynchronizer
from artiq.gateware.drtio import *
from artiq.gateware.wrpll import wrpll
import dma
import analyzer
@ -109,7 +108,6 @@ class GenericStandalone(SoCCore):
def __init__(self, description, acpki=False):
self.acpki = acpki
clk_freq = description["rtio_frequency"]
with_wrpll = description["enable_wrpll"]
platform = kasli_soc.Platform()
platform.toolchain.bitstream_commands.extend([
@ -121,6 +119,13 @@ class GenericStandalone(SoCCore):
SoCCore.__init__(self, platform=platform, csr_data_width=32, ident=ident, ps_cd_sys=False)
self.config["HW_REV"] = description["hw_rev"]
self.submodules += SMAClkinForward(self.platform)
self.config["HAS_SI5324"] = None
self.config["SI5324_SOFT_RESET"] = None
clk_synth = platform.request("cdr_clk_clean_fabric")
clk_synth_se = Signal()
clk_synth_se_buf = Signal()
@ -135,7 +140,6 @@ class GenericStandalone(SoCCore):
]
fix_serdes_timing_path(platform)
self.submodules.bootstrap = GTPBootstrapClock(self.platform, clk_freq)
self.config["RTIO_FREQUENCY"] = str(clk_freq/1e6)
self.config["CLOCK_FREQUENCY"] = int(clk_freq)
self.submodules.sys_crg = zynq_clocking.SYSCRG(self.platform, self.ps7, clk_synth_se_buf)
@ -145,23 +149,6 @@ class GenericStandalone(SoCCore):
self.crg = self.ps7 # HACK for eem_7series to find the clock
self.crg.cd_sys = self.sys_crg.cd_sys
if with_wrpll:
self.submodules.wrpll_refclk = wrpll.FrequencyMultiplier(platform.request("sma_clkin"))
self.submodules.wrpll = wrpll.WRPLL(
platform=self.platform,
cd_ref=self.wrpll_refclk.cd_ref,
main_clk_se=clk_synth_se)
self.csr_devices.append("wrpll_refclk")
self.csr_devices.append("wrpll")
self.comb += self.ps7.core.core0.nfiq.eq(self.wrpll.ev.irq)
self.config["HAS_SI549"] = None
self.config["WRPLL_REF_CLK"] = "SMA_CLKIN"
else:
self.submodules += SMAClkinForward(self.platform)
self.config["HAS_SI5324"] = None
self.config["SI5324_SOFT_RESET"] = None
self.rtio_channels = []
has_grabber = any(peripheral["type"] == "grabber" for peripheral in description["peripherals"])
if has_grabber:
@ -220,7 +207,6 @@ class GenericStandalone(SoCCore):
class GenericMaster(SoCCore):
def __init__(self, description, acpki=False):
clk_freq = description["rtio_frequency"]
with_wrpll = description["enable_wrpll"]
has_drtio_over_eem = any(peripheral["type"] == "shuttler" for peripheral in description["peripherals"])
self.acpki = acpki
@ -236,6 +222,8 @@ class GenericMaster(SoCCore):
self.config["HW_REV"] = description["hw_rev"]
self.submodules += SMAClkinForward(self.platform)
data_pads = [platform.request("sfp", i) for i in range(4)]
self.submodules.gt_drtio = gtx_7series.GTX(
@ -243,23 +231,18 @@ class GenericMaster(SoCCore):
pads=data_pads,
clk_freq=clk_freq)
self.csr_devices.append("gt_drtio")
self.config["RTIO_FREQUENCY"] = str(clk_freq/1e6)
self.config["CLOCK_FREQUENCY"] = int(clk_freq)
txout_buf = Signal()
gtx0 = self.gt_drtio.gtxs[0]
self.specials += Instance("BUFG", i_I=gtx0.txoutclk, o_O=txout_buf)
ext_async_rst = Signal()
self.submodules.bootstrap = GTPBootstrapClock(self.platform, clk_freq)
self.submodules.sys_crg = zynq_clocking.SYSCRG(
self.platform,
self.ps7,
txout_buf,
clk_sw=self.gt_drtio.stable_clkin.storage,
clk_sw_status=gtx0.tx_init.done,
ext_async_rst=ext_async_rst)
clk_sw=gtx0.tx_init.done)
self.csr_devices.append("sys_crg")
self.crg = self.ps7 # HACK for eem_7series to find the clock
self.crg.cd_sys = self.sys_crg.cd_sys
@ -267,26 +250,6 @@ class GenericMaster(SoCCore):
self.bootstrap.cd_bootstrap.clk, self.sys_crg.cd_sys.clk)
fix_serdes_timing_path(platform)
self.comb += ext_async_rst.eq(self.sys_crg.clk_sw_fsm.o_clk_sw & ~gtx0.tx_init.done)
self.specials += MultiReg(self.sys_crg.clk_sw_fsm.o_clk_sw & self.sys_crg.mmcm_locked, self.gt_drtio.clk_path_ready, odomain="bootstrap")
if with_wrpll:
clk_synth = platform.request("cdr_clk_clean_fabric")
clk_synth_se = Signal()
platform.add_period_constraint(clk_synth.p, 8.0)
self.specials += Instance("IBUFGDS", p_DIFF_TERM="TRUE", p_IBUF_LOW_PWR="FALSE", i_I=clk_synth.p, i_IB=clk_synth.n, o_O=clk_synth_se)
self.submodules.wrpll_refclk = wrpll.FrequencyMultiplier(platform.request("sma_clkin"))
self.submodules.wrpll = wrpll.WRPLL(
platform=self.platform,
cd_ref=self.wrpll_refclk.cd_ref,
main_clk_se=clk_synth_se)
self.csr_devices.append("wrpll_refclk")
self.csr_devices.append("wrpll")
self.comb += self.ps7.core.core0.nfiq.eq(self.wrpll.ev.irq)
self.config["HAS_SI549"] = None
self.config["WRPLL_REF_CLK"] = "SMA_CLKIN"
else:
self.submodules += SMAClkinForward(self.platform)
self.config["HAS_SI5324"] = None
self.config["SI5324_SOFT_RESET"] = None
@ -430,7 +393,6 @@ class GenericMaster(SoCCore):
class GenericSatellite(SoCCore):
def __init__(self, description, acpki=False):
clk_freq = description["rtio_frequency"]
with_wrpll = description["enable_wrpll"]
self.acpki = acpki
@ -457,16 +419,12 @@ class GenericSatellite(SoCCore):
gtx0 = self.gt_drtio.gtxs[0]
self.specials += Instance("BUFG", i_I=gtx0.txoutclk, o_O=txout_buf)
ext_async_rst = Signal()
self.submodules.bootstrap = GTPBootstrapClock(self.platform, clk_freq)
self.submodules.sys_crg = zynq_clocking.SYSCRG(
self.platform,
self.ps7,
txout_buf,
clk_sw=self.gt_drtio.stable_clkin.storage,
clk_sw_status=gtx0.tx_init.done,
ext_async_rst=ext_async_rst)
clk_sw=gtx0.tx_init.done)
platform.add_false_path_constraints(
self.bootstrap.cd_bootstrap.clk, self.sys_crg.cd_sys.clk)
self.csr_devices.append("sys_crg")
@ -475,9 +433,6 @@ class GenericSatellite(SoCCore):
fix_serdes_timing_path(platform)
self.comb += ext_async_rst.eq(self.sys_crg.clk_sw_fsm.o_clk_sw & ~gtx0.tx_init.done)
self.specials += MultiReg(self.sys_crg.clk_sw_fsm.o_clk_sw & self.sys_crg.mmcm_locked, self.gt_drtio.clk_path_ready, odomain="bootstrap")
self.rtio_channels = []
has_grabber = any(peripheral["type"] == "grabber" for peripheral in description["peripherals"])
if has_grabber:
@ -560,10 +515,7 @@ class GenericSatellite(SoCCore):
self.submodules.local_io = SyncRTIO(
self.rtio_tsc, self.rtio_channels, lane_count=description["sed_lanes"]
)
self.comb += [
self.drtiosat.async_errors.eq(self.local_io.async_errors),
self.local_io.sed_spread_enable.eq(self.drtiosat.sed_spread_enable.storage)
]
self.comb += self.drtiosat.async_errors.eq(self.local_io.async_errors)
self.submodules.cri_con = rtio.CRIInterconnectShared(
[self.drtiosat.cri, self.rtio_dma.cri, self.rtio.cri],
@ -585,22 +537,6 @@ class GenericSatellite(SoCCore):
self.config["RTIO_FREQUENCY"] = str(clk_freq/1e6)
self.config["CLOCK_FREQUENCY"] = int(clk_freq)
if with_wrpll:
clk_synth = platform.request("cdr_clk_clean_fabric")
clk_synth_se = Signal()
platform.add_period_constraint(clk_synth.p, 8.0)
self.specials += Instance("IBUFGDS", p_DIFF_TERM="TRUE", p_IBUF_LOW_PWR="FALSE", i_I=clk_synth.p, i_IB=clk_synth.n, o_O=clk_synth_se)
self.submodules.wrpll = wrpll.WRPLL(
platform=self.platform,
cd_ref=self.gt_drtio.cd_rtio_rx0,
main_clk_se=clk_synth_se)
self.submodules.wrpll_skewtester = wrpll.SkewTester(self.rx_synchronizer)
self.csr_devices.append("wrpll_skewtester")
self.csr_devices.append("wrpll")
self.comb += self.ps7.core.core0.nfiq.eq(self.wrpll.ev.irq)
self.config["HAS_SI549"] = None
self.config["WRPLL_REF_CLK"] = "GT_CDR"
else:
self.submodules.siphaser = SiPhaser7Series(
si5324_clkin=platform.request("cdr_clk"),
rx_synchronizer=self.rx_synchronizer,

20
src/gateware/zc706.py
View File

@ -226,7 +226,6 @@ class _MasterBase(SoCCore):
self.csr_devices.append("gt_drtio")
self.submodules.rtio_tsc = rtio.TSC(glbl_fine_ts_width=3)
ext_async_rst = Signal()
txout_buf = Signal()
gtx0 = self.gt_drtio.gtxs[0]
self.specials += Instance("BUFG", i_I=gtx0.txoutclk, o_O=txout_buf)
@ -235,17 +234,12 @@ class _MasterBase(SoCCore):
self.platform,
self.ps7,
txout_buf,
clk_sw=self.gt_drtio.stable_clkin.storage,
clk_sw_status=gtx0.tx_init.done,
ext_async_rst=ext_async_rst,
clk_sw=gtx0.tx_init.done,
freq=clk_freq)
platform.add_false_path_constraints(
self.bootstrap.cd_bootstrap.clk, self.sys_crg.cd_sys.clk)
self.csr_devices.append("sys_crg")
self.comb += ext_async_rst.eq(self.sys_crg.clk_sw_fsm.o_clk_sw & ~gtx0.tx_init.done)
self.specials += MultiReg(self.sys_crg.clk_sw_fsm.o_clk_sw & self.sys_crg.mmcm_locked, self.gt_drtio.clk_path_ready, odomain="bootstrap")
drtio_csr_group = []
drtioaux_csr_group = []
drtioaux_memory_group = []
@ -367,7 +361,6 @@ class _SatelliteBase(SoCCore):
clk_freq=clk_freq)
self.csr_devices.append("gt_drtio")
ext_async_rst = Signal()
txout_buf = Signal()
txout_buf.attr.add("keep")
gtx0 = self.gt_drtio.gtxs[0]
@ -380,17 +373,12 @@ class _SatelliteBase(SoCCore):
self.platform,
self.ps7,
txout_buf,
clk_sw=self.gt_drtio.stable_clkin.storage,
clk_sw_status=gtx0.tx_init.done,
ext_async_rst=ext_async_rst,
clk_sw=gtx0.tx_init.done,
freq=clk_freq)
platform.add_false_path_constraints(
self.bootstrap.cd_bootstrap.clk, self.sys_crg.cd_sys.clk)
self.csr_devices.append("sys_crg")
self.comb += ext_async_rst.eq(self.sys_crg.clk_sw_fsm.o_clk_sw & ~gtx0.tx_init.done)
self.specials += MultiReg(self.sys_crg.clk_sw_fsm.o_clk_sw & self.sys_crg.mmcm_locked, self.gt_drtio.clk_path_ready, odomain="bootstrap")
drtioaux_csr_group = []
drtioaux_memory_group = []
drtiorep_csr_group = []
@ -487,10 +475,6 @@ class _SatelliteBase(SoCCore):
self.csr_devices.append("rtio_dma")
self.submodules.local_io = SyncRTIO(self.rtio_tsc, rtio_channels)
self.comb += [
self.drtiosat.async_errors.eq(self.local_io.async_errors),
self.local_io.sed_spread_enable.eq(self.drtiosat.sed_spread_enable.storage)
]
self.submodules.cri_con = rtio.CRIInterconnectShared(
[self.drtiosat.cri, self.rtio_dma.cri, self.rtio.cri],
[self.local_io.cri] + self.drtio_cri,

22
src/gateware/zynq_clocking.py
View File

@ -65,7 +65,7 @@ class ClockSwitchFSM(Module):
class SYSCRG(Module, AutoCSR):
def __init__(self, platform, ps7, main_clk, clk_sw=None, clk_sw_status=None, freq=125e6, ext_async_rst=None, ):
def __init__(self, platform, ps7, main_clk, clk_sw=None, freq=125e6):
# assumes bootstrap clock is same freq as main and sys output
self.clock_domains.cd_sys = ClockDomain()
self.clock_domains.cd_sys4x = ClockDomain(reset_less=True)
@ -88,7 +88,7 @@ class SYSCRG(Module, AutoCSR):
else:
self.comb += self.clk_sw_fsm.i_clk_sw.eq(clk_sw)
self.mmcm_locked = Signal()
mmcm_locked = Signal()
mmcm_sys = Signal()
mmcm_sys4x = Signal()
mmcm_sys5x = Signal()
@ -96,7 +96,7 @@ class SYSCRG(Module, AutoCSR):
mmcm_fb_clk = Signal()
self.specials += [
Instance("MMCME2_ADV",
p_STARTUP_WAIT="FALSE", o_LOCKED=self.mmcm_locked,
p_STARTUP_WAIT="FALSE", o_LOCKED=mmcm_locked,
p_BANDWIDTH="HIGH",
p_REF_JITTER1=0.001,
p_CLKIN1_PERIOD=period, i_CLKIN1=main_clk,
@ -125,17 +125,8 @@ class SYSCRG(Module, AutoCSR):
Instance("BUFG", i_I=mmcm_sys, o_O=self.cd_sys.clk),
Instance("BUFG", i_I=mmcm_sys4x, o_O=self.cd_sys4x.clk),
Instance("BUFG", i_I=mmcm_clk208, o_O=self.cd_clk200.clk),
]
if ext_async_rst is not None:
self.specials += [
AsyncResetSynchronizer(self.cd_sys, ~self.mmcm_locked | ext_async_rst),
AsyncResetSynchronizer(self.cd_clk200, ~self.mmcm_locked | ext_async_rst),
]
else:
self.specials += [
AsyncResetSynchronizer(self.cd_sys, ~self.mmcm_locked),
AsyncResetSynchronizer(self.cd_clk200, ~self.mmcm_locked),
AsyncResetSynchronizer(self.cd_sys, ~mmcm_locked),
AsyncResetSynchronizer(self.cd_clk200, ~mmcm_locked),
]
reset_counter = Signal(4, reset=15)
@ -148,7 +139,4 @@ class SYSCRG(Module, AutoCSR):
)
self.specials += Instance("IDELAYCTRL", i_REFCLK=ClockSignal("clk200"), i_RST=ic_reset)
if clk_sw_status is None:
self.comb += self.current_clock.status.eq(self.clk_sw_fsm.o_clk_sw)
else:
self.comb += self.current_clock.status.eq(clk_sw_status)

1
src/libboard_artiq/Cargo.toml.tpl
View File

@ -10,7 +10,6 @@ name = "libboard_artiq"
[features]
target_zc706 = ["libboard_zynq/target_zc706", "libconfig/target_zc706"]
target_kasli_soc = ["libboard_zynq/target_kasli_soc", "libconfig/target_kasli_soc"]
calibrate_wrpll_skew = []
[build-dependencies]
build_zynq = { path = "../libbuild_zynq" }

39
src/libboard_artiq/src/drtioaux.rs
View File

@ -1,10 +1,9 @@
use core::slice;
use core_io::{Error as IoError, ErrorKind as IoErrorKind};
use crc;
use io::{proto::{ProtoRead, ProtoWrite},
Cursor};
use libboard_zynq::{time::Milliseconds, timer::GlobalTimer};
use libcortex_a9::asm::dmb;
pub use crate::drtioaux_proto::Packet;
use crate::{drtioaux_proto::Error as ProtocolError, mem::mem::DRTIOAUX_MEM, pl::csr::DRTIOAUX};
@ -57,14 +56,30 @@ pub fn has_rx_error(linkno: u8) -> bool {
}
}
pub fn copy_work_buffer(src: *mut u32, dst: *mut u32, len: isize) {
// AXI writes must be 4-byte aligned (drtio proto doesn't care for that),
// and AXI burst reads/writes are not implemented yet in gateware
// thus the need for a work buffer for transmitting and copying it over
unsafe {
for i in 0..(len / 4) {
*dst.offset(i) = *src.offset(i);
//data memory barrier to prevent bursts
dmb();
}
}
}
fn receive<F, T>(linkno: u8, f: F) -> Result<Option<T>, Error>
where F: FnOnce(&[u8]) -> Result<T, Error> {
let linkidx = linkno as usize;
unsafe {
if (DRTIOAUX[linkidx].aux_rx_present_read)() == 1 {
let read_ptr = (DRTIOAUX[linkidx].aux_read_pointer_read)() as usize;
let ptr = (DRTIOAUX_MEM[linkidx].base + DRTIOAUX_MEM[linkidx].size / 2 + read_ptr * 0x400) as *mut u32;
let result = f(slice::from_raw_parts(ptr as *mut u8, 0x400 as usize));
let ptr = (DRTIOAUX_MEM[linkidx].base + DRTIOAUX_MEM[linkidx].size / 2) as *mut u32;
let len = (DRTIOAUX[linkidx].aux_rx_length_read)() as usize;
// work buffer to accomodate axi burst reads
let mut buf: [u8; 1024] = [0; 1024];
copy_work_buffer(ptr, buf.as_mut_ptr() as *mut u32, len as isize);
let result = f(&buf[0..len]);
(DRTIOAUX[linkidx].aux_rx_present_write)(1);
Ok(Some(result?))
} else {
@ -85,15 +100,15 @@ pub fn recv(linkno: u8) -> Result<Option<Packet>, Error> {
let mut reader = Cursor::new(buffer);
let packet = Packet::read_from(&mut reader)?;
let padding = (12 - (reader.position() % 8)) % 8;
let checksum_at = reader.position() + padding;
let checksum_at = buffer.len() - 4;
let checksum = crc::crc32::checksum_ieee(&reader.get_ref()[0..checksum_at]);
reader.set_position(checksum_at);
if reader.read_u32()? != checksum {
return Err(Error::CorruptedPacket);
}
Ok(packet)
reader.set_position(0);
Ok(Packet::read_from(&mut reader)?)
})
}
@ -115,7 +130,11 @@ where F: FnOnce(&mut [u8]) -> Result<usize, Error> {
unsafe {
while (DRTIOAUX[linkno].aux_tx_read)() != 0 {}
let ptr = DRTIOAUX_MEM[linkno].base as *mut u32;
let len = f(slice::from_raw_parts_mut(ptr as *mut u8, 0x400 as usize))?;
let len = DRTIOAUX_MEM[linkno].size / 2;
// work buffer, works with unaligned mem access
let mut buf: [u8; 1024] = [0; 1024];
let len = f(&mut buf[0..len])?;
copy_work_buffer(buf.as_mut_ptr() as *mut u32, ptr, len as isize);
(DRTIOAUX[linkno].aux_tx_length_write)(len as u16);
(DRTIOAUX[linkno].aux_tx_write)(1);
Ok(())

27
src/libboard_artiq/src/drtioaux_async.rs
View File

@ -1,5 +1,3 @@
use core::slice;
use core_io::{Error as IoError, ErrorKind as IoErrorKind};
use crc;
use io::{proto::{ProtoRead, ProtoWrite},
@ -10,7 +8,7 @@ use nb;
use void::Void;
pub use crate::drtioaux_proto::Packet;
use crate::{drtioaux::{has_rx_error, Error},
use crate::{drtioaux::{copy_work_buffer, has_rx_error, Error},
mem::mem::DRTIOAUX_MEM,
pl::csr::DRTIOAUX};
@ -40,9 +38,12 @@ where F: FnOnce(&[u8]) -> Result<T, Error> {
let linkidx = linkno as usize;
unsafe {
if (DRTIOAUX[linkidx].aux_rx_present_read)() == 1 {
let read_ptr = (DRTIOAUX[linkidx].aux_read_pointer_read)() as usize;
let ptr = (DRTIOAUX_MEM[linkidx].base + DRTIOAUX_MEM[linkidx].size / 2 + read_ptr * 0x400) as *mut u32;
let result = f(slice::from_raw_parts(ptr as *mut u8, 0x400 as usize));
let ptr = (DRTIOAUX_MEM[linkidx].base + DRTIOAUX_MEM[linkidx].size / 2) as *mut u32;
let len = (DRTIOAUX[linkidx].aux_rx_length_read)() as usize;
// work buffer to accomodate axi burst reads
let mut buf: [u8; 1024] = [0; 1024];
copy_work_buffer(ptr, buf.as_mut_ptr() as *mut u32, len as isize);
let result = f(&buf[0..len]);
(DRTIOAUX[linkidx].aux_rx_present_write)(1);
Ok(Some(result?))
} else {
@ -63,15 +64,15 @@ pub async fn recv(linkno: u8) -> Result<Option<Packet>, Error> {
let mut reader = Cursor::new(buffer);
let packet = Packet::read_from(&mut reader)?;
let padding = (12 - (reader.position() % 8)) % 8;
let checksum_at = reader.position() + padding;
let checksum_at = buffer.len() - 4;
let checksum = crc::crc32::checksum_ieee(&reader.get_ref()[0..checksum_at]);
reader.set_position(checksum_at);
if reader.read_u32()? != checksum {
return Err(Error::CorruptedPacket);
}
Ok(packet)
reader.set_position(0);
Ok(Packet::read_from(&mut reader)?)
})
.await
}
@ -102,7 +103,11 @@ where F: FnOnce(&mut [u8]) -> Result<usize, Error> {
unsafe {
let _ = block_async!(tx_ready(linkno)).await;
let ptr = DRTIOAUX_MEM[linkno].base as *mut u32;
let len = f(slice::from_raw_parts_mut(ptr as *mut u8, 0x400 as usize))?;
let len = DRTIOAUX_MEM[linkno].size / 2;
// work buffer, works with unaligned mem access
let mut buf: [u8; 1024] = [0; 1024];
let len = f(&mut buf[0..len])?;
copy_work_buffer(buf.as_mut_ptr() as *mut u32, ptr, len as isize);
(DRTIOAUX[linkno].aux_tx_length_write)(len as u16);
(DRTIOAUX[linkno].aux_tx_write)(1);
Ok(())

230
src/libboard_artiq/src/drtioaux_proto.rs
View File

@ -1,13 +1,11 @@
use core_io::{Error as IoError, Read, Write};
use io::proto::{ProtoRead, ProtoWrite};
const MAX_PACKET: usize = 1024;
// maximum size of arbitrary payloads
// used by satellite -> master analyzer, subkernel exceptions
pub const SAT_PAYLOAD_MAX_SIZE: usize = /*max size*/MAX_PACKET - /*CRC*/4 - /*packet ID*/1 - /*last*/1 - /*length*/2;
pub const SAT_PAYLOAD_MAX_SIZE: usize = /*max size*/512 - /*CRC*/4 - /*packet ID*/1 - /*last*/1 - /*length*/2;
// used by DDMA, subkernel program data (need to provide extra ID and destination)
pub const MASTER_PAYLOAD_MAX_SIZE: usize = SAT_PAYLOAD_MAX_SIZE - /*source*/1 - /*destination*/1 - /*ID*/4;
pub const MASTER_PAYLOAD_MAX_SIZE: usize = SAT_PAYLOAD_MAX_SIZE - /*destination*/1 - /*ID*/4;
#[derive(Debug)]
pub enum Error {
@ -21,46 +19,6 @@ impl From<IoError> for Error {
}
}
#[derive(PartialEq, Clone, Copy, Debug)]
#[repr(u8)]
pub enum PayloadStatus {
Middle = 0,
First = 1,
Last = 2,
FirstAndLast = 3,
}
impl From<u8> for PayloadStatus {
fn from(value: u8) -> PayloadStatus {
match value {
0 => PayloadStatus::Middle,
1 => PayloadStatus::First,
2 => PayloadStatus::Last,
3 => PayloadStatus::FirstAndLast,
_ => unreachable!(),
}
}
}
impl PayloadStatus {
pub fn is_first(self) -> bool {
self == PayloadStatus::First || self == PayloadStatus::FirstAndLast
}
pub fn is_last(self) -> bool {
self == PayloadStatus::Last || self == PayloadStatus::FirstAndLast
}
pub fn from_status(first: bool, last: bool) -> PayloadStatus {
match (first, last) {
(true, true) => PayloadStatus::FirstAndLast,
(true, false) => PayloadStatus::First,
(false, true) => PayloadStatus::Last,
(false, false) => PayloadStatus::Middle,
}
}
}
#[derive(PartialEq, Debug)]
pub enum Packet {
EchoRequest,
@ -199,40 +157,31 @@ pub enum Packet {
},
DmaAddTraceRequest {
source: u8,
destination: u8,
id: u32,
status: PayloadStatus,
last: bool,
length: u16,
trace: [u8; MASTER_PAYLOAD_MAX_SIZE],
},
DmaAddTraceReply {
source: u8,
destination: u8,
id: u32,
succeeded: bool,
},
DmaRemoveTraceRequest {
source: u8,
destination: u8,
id: u32,
},
DmaRemoveTraceReply {
destination: u8,
succeeded: bool,
},
DmaPlaybackRequest {
source: u8,
destination: u8,
id: u32,
timestamp: u64,
},
DmaPlaybackReply {
destination: u8,
succeeded: bool,
},
DmaPlaybackStatus {
source: u8,
destination: u8,
id: u32,
error: u8,
@ -243,7 +192,7 @@ pub enum Packet {
SubkernelAddDataRequest {
destination: u8,
id: u32,
status: PayloadStatus,
last: bool,
length: u16,
data: [u8; MASTER_PAYLOAD_MAX_SIZE],
},
@ -251,36 +200,35 @@ pub enum Packet {
succeeded: bool,
},
SubkernelLoadRunRequest {
source: u8,
destination: u8,
id: u32,
run: bool,
},
SubkernelLoadRunReply {
succeeded: bool,
},
SubkernelStopRequest {
destination: u8,
},
SubkernelStopReply {
succeeded: bool,
},
SubkernelFinished {
destination: u8,
id: u32,
with_exception: bool,
exception_src: u8,
},
SubkernelExceptionRequest {
source: u8,
destination: u8,
},
SubkernelException {
destination: u8,
last: bool,
length: u16,
data: [u8; MASTER_PAYLOAD_MAX_SIZE],
data: [u8; SAT_PAYLOAD_MAX_SIZE],
},
SubkernelMessage {
source: u8,
destination: u8,
id: u32,
status: PayloadStatus,
last: bool,
length: u16,
data: [u8; MASTER_PAYLOAD_MAX_SIZE],
},
@ -441,49 +389,39 @@ impl Packet {
}
0xb0 => {
let source = reader.read_u8()?;
let destination = reader.read_u8()?;
let id = reader.read_u32()?;
let status = reader.read_u8()?;
let last = reader.read_bool()?;
let length = reader.read_u16()?;
let mut trace: [u8; MASTER_PAYLOAD_MAX_SIZE] = [0; MASTER_PAYLOAD_MAX_SIZE];
reader.read_exact(&mut trace[0..length as usize])?;
Packet::DmaAddTraceRequest {
source: source,
destination: destination,
id: id,
status: PayloadStatus::from(status),
last: last,
length: length as u16,
trace: trace,
}
}
0xb1 => Packet::DmaAddTraceReply {
source: reader.read_u8()?,
destination: reader.read_u8()?,
id: reader.read_u32()?,
succeeded: reader.read_bool()?,
},
0xb2 => Packet::DmaRemoveTraceRequest {
source: reader.read_u8()?,
destination: reader.read_u8()?,
id: reader.read_u32()?,
},
0xb3 => Packet::DmaRemoveTraceReply {
destination: reader.read_u8()?,
succeeded: reader.read_bool()?,
},
0xb4 => Packet::DmaPlaybackRequest {
source: reader.read_u8()?,
destination: reader.read_u8()?,
id: reader.read_u32()?,
timestamp: reader.read_u64()?,
},
0xb5 => Packet::DmaPlaybackReply {
destination: reader.read_u8()?,
succeeded: reader.read_bool()?,
},
0xb6 => Packet::DmaPlaybackStatus {
source: reader.read_u8()?,
destination: reader.read_u8()?,
id: reader.read_u32()?,
error: reader.read_u8()?,
@ -494,14 +432,14 @@ impl Packet {
0xc0 => {
let destination = reader.read_u8()?;
let id = reader.read_u32()?;
let status = PayloadStatus::from(reader.read_u8()?);
let last = reader.read_bool()?;
let length = reader.read_u16()?;
let mut data: [u8; MASTER_PAYLOAD_MAX_SIZE] = [0; MASTER_PAYLOAD_MAX_SIZE];
reader.read_exact(&mut data[0..length as usize])?;
Packet::SubkernelAddDataRequest {
destination: destination,
id: id,
status: status,
last: last,
length: length as u16,
data: data,
}
@ -510,51 +448,48 @@ impl Packet {
succeeded: reader.read_bool()?,
},
0xc4 => Packet::SubkernelLoadRunRequest {
source: reader.read_u8()?,
destination: reader.read_u8()?,
id: reader.read_u32()?,
run: reader.read_bool()?,
},
0xc5 => Packet::SubkernelLoadRunReply {
succeeded: reader.read_bool()?,
},
0xc6 => Packet::SubkernelStopRequest {
destination: reader.read_u8()?,
},
0xc7 => Packet::SubkernelStopReply {
succeeded: reader.read_bool()?,
},
0xc8 => Packet::SubkernelFinished {
destination: reader.read_u8()?,
id: reader.read_u32()?,
with_exception: reader.read_bool()?,
exception_src: reader.read_u8()?,
},
0xc9 => Packet::SubkernelExceptionRequest {
source: reader.read_u8()?,
destination: reader.read_u8()?,
},
0xca => {
let destination = reader.read_u8()?;
let last = reader.read_bool()?;
let length = reader.read_u16()?;
let mut data: [u8; MASTER_PAYLOAD_MAX_SIZE] = [0; MASTER_PAYLOAD_MAX_SIZE];
let mut data: [u8; SAT_PAYLOAD_MAX_SIZE] = [0; SAT_PAYLOAD_MAX_SIZE];
reader.read_exact(&mut data[0..length as usize])?;
Packet::SubkernelException {
destination: destination,
last: last,
length: length,
data: data,
}
}
0xcb => {
let source = reader.read_u8()?;
let destination = reader.read_u8()?;
let id = reader.read_u32()?;
let status = reader.read_u8()?;
let last = reader.read_bool()?;
let length = reader.read_u16()?;
let mut data: [u8; MASTER_PAYLOAD_MAX_SIZE] = [0; MASTER_PAYLOAD_MAX_SIZE];
reader.read_exact(&mut data[0..length as usize])?;
Packet::SubkernelMessage {
source: source,
destination: destination,
id: id,
status: PayloadStatus::from(status),
last: last,
length: length as u16,
data: data,
}
@ -776,69 +711,49 @@ impl Packet {
}
Packet::DmaAddTraceRequest {
source,
destination,
id,
status,
last,
trace,
length,
} => {
writer.write_u8(0xb0)?;
writer.write_u8(source)?;
writer.write_u8(destination)?;
writer.write_u32(id)?;
writer.write_u8(status as u8)?;
writer.write_bool(last)?;
// trace may be broken down to fit within drtio aux memory limit
// will be reconstructed by satellite
writer.write_u16(length)?;
writer.write_all(&trace[0..length as usize])?;
}
Packet::DmaAddTraceReply {
source,
destination,
id,
succeeded,
} => {
Packet::DmaAddTraceReply { succeeded } => {
writer.write_u8(0xb1)?;
writer.write_u8(source)?;
writer.write_u8(destination)?;
writer.write_u32(id)?;
writer.write_bool(succeeded)?;
}
Packet::DmaRemoveTraceRequest {
source,
destination,
id,
} => {
Packet::DmaRemoveTraceRequest { destination, id } => {
writer.write_u8(0xb2)?;
writer.write_u8(source)?;
writer.write_u8(destination)?;
writer.write_u32(id)?;
}
Packet::DmaRemoveTraceReply { destination, succeeded } => {
Packet::DmaRemoveTraceReply { succeeded } => {
writer.write_u8(0xb3)?;
writer.write_u8(destination)?;
writer.write_bool(succeeded)?;
}
Packet::DmaPlaybackRequest {
source,
destination,
id,
timestamp,
} => {
writer.write_u8(0xb4)?;
writer.write_u8(source)?;
writer.write_u8(destination)?;
writer.write_u32(id)?;
writer.write_u64(timestamp)?;
}
Packet::DmaPlaybackReply { destination, succeeded } => {
Packet::DmaPlaybackReply { succeeded } => {
writer.write_u8(0xb5)?;
writer.write_u8(destination)?;
writer.write_bool(succeeded)?;
}
Packet::DmaPlaybackStatus {
source,
destination,
id,
error,
@ -846,7 +761,6 @@ impl Packet {
timestamp,
} => {
writer.write_u8(0xb6)?;
writer.write_u8(source)?;
writer.write_u8(destination)?;
writer.write_u32(id)?;
writer.write_u8(error)?;
@ -857,14 +771,14 @@ impl Packet {
Packet::SubkernelAddDataRequest {
destination,
id,
status,
last,
data,
length,
} => {
writer.write_u8(0xc0)?;
writer.write_u8(destination)?;
writer.write_u32(id)?;
writer.write_u8(status as u8)?;
writer.write_bool(last)?;
writer.write_u16(length)?;
writer.write_all(&data[0..length as usize])?;
}
@ -872,65 +786,50 @@ impl Packet {
writer.write_u8(0xc1)?;
writer.write_bool(succeeded)?;
}
Packet::SubkernelLoadRunRequest {
source,
destination,
id,
run,
} => {
Packet::SubkernelLoadRunRequest { destination, id, run } => {
writer.write_u8(0xc4)?;
writer.write_u8(source)?;
writer.write_u8(destination)?;
writer.write_u32(id)?;
writer.write_bool(run)?;
}
Packet::SubkernelLoadRunReply { destination, succeeded } => {
Packet::SubkernelLoadRunReply { succeeded } => {
writer.write_u8(0xc5)?;
writer.write_u8(destination)?;
writer.write_bool(succeeded)?;
}
Packet::SubkernelFinished {
destination,
id,
with_exception,
exception_src,
} => {
writer.write_u8(0xc8)?;
Packet::SubkernelStopRequest { destination } => {
writer.write_u8(0xc6)?;
writer.write_u8(destination)?;
}
Packet::SubkernelStopReply { succeeded } => {
writer.write_u8(0xc7)?;
writer.write_bool(succeeded)?;
}
Packet::SubkernelFinished { id, with_exception } => {
writer.write_u8(0xc8)?;
writer.write_u32(id)?;
writer.write_bool(with_exception)?;
writer.write_u8(exception_src)?;
}
Packet::SubkernelExceptionRequest { source, destination } => {
Packet::SubkernelExceptionRequest { destination } => {
writer.write_u8(0xc9)?;
writer.write_u8(source)?;
writer.write_u8(destination)?;
}
Packet::SubkernelException {
destination,
last,
length,
data,
} => {
Packet::SubkernelException { last, length, data } => {
writer.write_u8(0xca)?;
writer.write_u8(destination)?;
writer.write_bool(last)?;
writer.write_u16(length)?;
writer.write_all(&data[0..length as usize])?;
}
Packet::SubkernelMessage {
source,
destination,
id,
status,
last,
data,
length,
} => {
writer.write_u8(0xcb)?;
writer.write_u8(source)?;
writer.write_u8(destination)?;
writer.write_u32(id)?;
writer.write_u8(status as u8)?;
writer.write_bool(last)?;
writer.write_u16(length)?;
writer.write_all(&data[0..length as usize])?;
}
@ -941,41 +840,4 @@ impl Packet {
}
Ok(())
}
pub fn routable_destination(&self) -> Option<u8> {
// only for packets that could be re-routed, not only forwarded
match self {
Packet::DmaAddTraceRequest { destination, .. } => Some(*destination),
Packet::DmaAddTraceReply { destination, .. } => Some(*destination),
Packet::DmaRemoveTraceRequest { destination, .. } => Some(*destination),
Packet::DmaRemoveTraceReply { destination, .. } => Some(*destination),
Packet::DmaPlaybackRequest { destination, .. } => Some(*destination),
Packet::DmaPlaybackReply { destination, .. } => Some(*destination),
Packet::SubkernelLoadRunRequest { destination, .. } => Some(*destination),
Packet::SubkernelLoadRunReply { destination, .. } => Some(*destination),
Packet::SubkernelMessage { destination, .. } => Some(*destination),
Packet::SubkernelMessageAck { destination } => Some(*destination),
Packet::SubkernelExceptionRequest { destination, .. } => Some(*destination),
Packet::SubkernelException { destination, .. } => Some(*destination),
Packet::DmaPlaybackStatus { destination, .. } => Some(*destination),
Packet::SubkernelFinished { destination, .. } => Some(*destination),
_ => None,
}
}
pub fn expects_response(&self) -> bool {
// returns true if the routable packet should elicit a response
// e.g. reply, ACK packets end a conversation,
// and firmware should not wait for response
match self {
Packet::DmaAddTraceReply { .. }
| Packet::DmaRemoveTraceReply { .. }
| Packet::DmaPlaybackReply { .. }
| Packet::SubkernelLoadRunReply { .. }
| Packet::SubkernelMessageAck { .. }
| Packet::DmaPlaybackStatus { .. }
| Packet::SubkernelFinished { .. } => false,
_ => true,
}
}
}

22
src/libboard_artiq/src/fiq.rs
View File

@ -1,22 +0,0 @@
use libboard_zynq::{println, stdio};
use libcortex_a9::{interrupt_handler, regs::MPIDR};
use libregister::RegisterR;
#[cfg(has_si549)]
use crate::si549;
interrupt_handler!(FIQ, fiq, __irq_stack0_start, __irq_stack1_start, {
match MPIDR.read().cpu_id() {
0 => {
// nFIQ is driven directly and bypass GIC
#[cfg(has_si549)]
si549::wrpll::interrupt_handler();
return;
}
_ => {}
};
stdio::drop_uart();
println!("FIQ");
loop {}
});

16
src/libboard_artiq/src/io_expander.rs
View File

@ -1,7 +1,6 @@
use libboard_zynq::i2c;
use log::info;
#[cfg(has_virtual_leds)]
use crate::pl::csr;
// Only the bare minimum registers. Bits/IO connections equivalent between IC types.
@ -20,15 +19,11 @@ const IODIR_OUT_SFP_LED: u8 = 0x40;
const IODIR_OUT_SFP0_LED: u8 = 0x40;
#[cfg(hw_rev = "v1.1")]
const IODIR_OUT_SFP0_LED: u8 = 0x80;
#[cfg(has_si549)]
const IODIR_CLK_SEL: u8 = 0x80; // out
#[cfg(has_si5324)]
const IODIR_CLK_SEL: u8 = 0x00; // in
//IO expander port direction
const IODIR0: [u8; 2] = [
0xFF & !IODIR_OUT_SFP_TX_DISABLE & !IODIR_OUT_SFP0_LED,
0xFF & !IODIR_OUT_SFP_TX_DISABLE & !IODIR_OUT_SFP_LED & !IODIR_CLK_SEL,
0xFF & !IODIR_OUT_SFP_TX_DISABLE & !IODIR_OUT_SFP_LED,
];
const IODIR1: [u8; 2] = [
@ -38,7 +33,6 @@ const IODIR1: [u8; 2] = [
pub struct IoExpander {
address: u8,
#[cfg(has_virtual_leds)]
virtual_led_mapping: &'static [(u8, u8, u8)],
iodir: [u8; 2],
out_current: [u8; 2],
@ -48,18 +42,17 @@ pub struct IoExpander {
impl IoExpander {
pub fn new(i2c: &mut i2c::I2c, index: u8) -> Result<Self, &'static str> {
#[cfg(all(hw_rev = "v1.0", has_virtual_leds))]
#[cfg(hw_rev = "v1.0")]
const VIRTUAL_LED_MAPPING0: [(u8, u8, u8); 2] = [(0, 0, 6), (1, 1, 6)];
#[cfg(all(hw_rev = "v1.1", has_virtual_leds))]
#[cfg(hw_rev = "v1.1")]
const VIRTUAL_LED_MAPPING0: [(u8, u8, u8); 2] = [(0, 0, 7), (1, 1, 6)];
#[cfg(has_virtual_leds)]
const VIRTUAL_LED_MAPPING1: [(u8, u8, u8); 2] = [(2, 0, 6), (3, 1, 6)];
// Both expanders on SHARED I2C bus
let mut io_expander = match index {
0 => IoExpander {
address: 0x40,
#[cfg(has_virtual_leds)]
virtual_led_mapping: &VIRTUAL_LED_MAPPING0,
iodir: IODIR0,
out_current: [0; 2],
@ -73,7 +66,6 @@ impl IoExpander {
},
1 => IoExpander {
address: 0x42,
#[cfg(has_virtual_leds)]
virtual_led_mapping: &VIRTUAL_LED_MAPPING1,
iodir: IODIR1,
out_current: [0; 2],

6
src/libboard_artiq/src/lib.rs
View File

@ -1,7 +1,5 @@
#![no_std]
#![feature(never_type)]
#![feature(naked_functions)]
#![feature(asm)]
extern crate core_io;
extern crate crc;
@ -21,7 +19,6 @@ pub mod drtioaux;
#[cfg(has_drtio)]
pub mod drtioaux_async;
pub mod drtioaux_proto;
pub mod fiq;
#[cfg(feature = "target_kasli_soc")]
pub mod io_expander;
pub mod logger;
@ -38,8 +35,7 @@ pub mod drtio_eem;
pub mod grabber;
#[cfg(has_si5324)]
pub mod si5324;
#[cfg(has_si549)]
pub mod si549;
use core::{cmp, str};
pub fn identifier_read(buf: &mut [u8]) -> &str {

13
src/libboard_artiq/src/si5324.rs
View File

@ -142,9 +142,7 @@ fn read(i2c: &mut I2c, reg: u8) -> Result<u8> {
}
fn rmw<F>(i2c: &mut I2c, reg: u8, f: F) -> Result<()>
where
F: Fn(u8) -> u8,
{
where F: Fn(u8) -> u8 {
let value = read(i2c, reg)?;
write(i2c, reg, f(value))?;
Ok(())
@ -173,7 +171,7 @@ fn has_ckin(i2c: &mut I2c, input: Input) -> Result<bool> {
}
}
pub fn locked(i2c: &mut I2c) -> Result<bool> {
fn locked(i2c: &mut I2c) -> Result<bool> {
Ok((read(i2c, 130)? & 0x01) == 0) // LOL_INT=0
}
@ -227,12 +225,7 @@ pub fn bypass(i2c: &mut I2c, input: Input, timer: &mut GlobalTimer) -> Result<()
Ok(())
}
pub fn setup(
i2c: &mut I2c,
settings: &FrequencySettings,
input: Input,
timer: &mut GlobalTimer,
) -> Result<()> {
pub fn setup(i2c: &mut I2c, settings: &FrequencySettings, input: Input, timer: &mut GlobalTimer) -> Result<()> {
let s = map_frequency_settings(settings)?;
let cksel_reg = match input {
Input::Ckin1 => 0b00,

854
src/libboard_artiq/src/si549.rs
View File

@ -1,854 +0,0 @@
use embedded_hal::prelude::_embedded_hal_blocking_delay_DelayUs;
use libboard_zynq::timer::GlobalTimer;
use log::info;
use crate::pl::csr;
#[cfg(feature = "target_kasli_soc")]
const ADDRESS: u8 = 0x67;
const ADPLL_MAX: i32 = (950.0 / 0.0001164) as i32;
pub struct DividerConfig {
pub hsdiv: u16,
pub lsdiv: u8,
pub fbdiv: u64,
}
pub struct FrequencySetting {
pub main: DividerConfig,
pub helper: DividerConfig,
}
mod i2c {
use super::*;
#[derive(Clone, Copy)]
pub enum DCXO {
Main,
Helper,
}
fn half_period(timer: &mut GlobalTimer) {
timer.delay_us(1)
}
fn sda_i(dcxo: DCXO) -> bool {
match dcxo {
DCXO::Main => unsafe { csr::wrpll::main_dcxo_sda_in_read() == 1 },
DCXO::Helper => unsafe { csr::wrpll::helper_dcxo_sda_in_read() == 1 },
}
}
fn sda_oe(dcxo: DCXO, oe: bool) {
let val = if oe { 1 } else { 0 };
match dcxo {
DCXO::Main => unsafe { csr::wrpll::main_dcxo_sda_oe_write(val) },
DCXO::Helper => unsafe { csr::wrpll::helper_dcxo_sda_oe_write(val) },
};
}
fn sda_o(dcxo: DCXO, o: bool) {
let val = if o { 1 } else { 0 };
match dcxo {
DCXO::Main => unsafe { csr::wrpll::main_dcxo_sda_out_write(val) },
DCXO::Helper => unsafe { csr::wrpll::helper_dcxo_sda_out_write(val) },
};
}
fn scl_oe(dcxo: DCXO, oe: bool) {
let val = if oe { 1 } else { 0 };
match dcxo {
DCXO::Main => unsafe { csr::wrpll::main_dcxo_scl_oe_write(val) },
DCXO::Helper => unsafe { csr::wrpll::helper_dcxo_scl_oe_write(val) },
};
}
fn scl_o(dcxo: DCXO, o: bool) {
let val = if o { 1 } else { 0 };
match dcxo {
DCXO::Main => unsafe { csr::wrpll::main_dcxo_scl_out_write(val) },
DCXO::Helper => unsafe { csr::wrpll::helper_dcxo_scl_out_write(val) },
};
}
pub fn init(dcxo: DCXO, timer: &mut GlobalTimer) -> Result<(), &'static str> {
// Set SCL as output, and high level
scl_o(dcxo, true);
scl_oe(dcxo, true);
// Prepare a zero level on SDA so that sda_oe pulls it down
sda_o(dcxo, false);
// Release SDA
sda_oe(dcxo, false);
// Check the I2C bus is ready
half_period(timer);
half_period(timer);
if !sda_i(dcxo) {
// Try toggling SCL a few times
for _bit in 0..8 {
scl_o(dcxo, false);
half_period(timer);
scl_o(dcxo, true);
half_period(timer);
}
}
if !sda_i(dcxo) {
return Err("SDA is stuck low and doesn't get unstuck");
}
Ok(())
}
pub fn start(dcxo: DCXO, timer: &mut GlobalTimer) {
// Set SCL high then SDA low
scl_o(dcxo, true);
half_period(timer);
sda_oe(dcxo, true);
half_period(timer);
}
pub fn stop(dcxo: DCXO, timer: &mut GlobalTimer) {
// First, make sure SCL is low, so that the target releases the SDA line
scl_o(dcxo, false);
half_period(timer);
// Set SCL high then SDA high
sda_oe(dcxo, true);
scl_o(dcxo, true);
half_period(timer);
sda_oe(dcxo, false);
half_period(timer);
}
pub fn write(dcxo: DCXO, data: u8, timer: &mut GlobalTimer) -> bool {
// MSB first
for bit in (0..8).rev() {
// Set SCL low and set our bit on SDA
scl_o(dcxo, false);
sda_oe(dcxo, data & (1 << bit) == 0);
half_period(timer);
// Set SCL high ; data is shifted on the rising edge of SCL
scl_o(dcxo, true);
half_period(timer);
}
// Check ack
// Set SCL low, then release SDA so that the I2C target can respond
scl_o(dcxo, false);
half_period(timer);
sda_oe(dcxo, false);
// Set SCL high and check for ack
scl_o(dcxo, true);
half_period(timer);
// returns true if acked (I2C target pulled SDA low)
!sda_i(dcxo)
}
pub fn read(dcxo: DCXO, ack: bool, timer: &mut GlobalTimer) -> u8 {
// Set SCL low first, otherwise setting SDA as input may cause a transition
// on SDA with SCL high which will be interpreted as START/STOP condition.
scl_o(dcxo, false);
half_period(timer); // make sure SCL has settled low
sda_oe(dcxo, false);
let mut data: u8 = 0;
// MSB first
for bit in (0..8).rev() {
scl_o(dcxo, false);
half_period(timer);
// Set SCL high and shift data
scl_o(dcxo, true);
half_period(timer);
if sda_i(dcxo) {
data |= 1 << bit
}
}
// Send ack
// Set SCL low and pull SDA low when acking
scl_o(dcxo, false);
if ack {
sda_oe(dcxo, true)
}
half_period(timer);
// then set SCL high
scl_o(dcxo, true);
half_period(timer);
data
}
}
fn write(dcxo: i2c::DCXO, reg: u8, val: u8, timer: &mut GlobalTimer) -> Result<(), &'static str> {
i2c::start(dcxo, timer);
if !i2c::write(dcxo, ADDRESS << 1, timer) {
return Err("Si549 failed to ack write address");
}
if !i2c::write(dcxo, reg, timer) {
return Err("Si549 failed to ack register");
}
if !i2c::write(dcxo, val, timer) {
return Err("Si549 failed to ack value");
}
i2c::stop(dcxo, timer);
Ok(())
}
fn read(dcxo: i2c::DCXO, reg: u8, timer: &mut GlobalTimer) -> Result<u8, &'static str> {
i2c::start(dcxo, timer);
if !i2c::write(dcxo, ADDRESS << 1, timer) {
return Err("Si549 failed to ack write address");
}
if !i2c::write(dcxo, reg, timer) {
return Err("Si549 failed to ack register");
}
i2c::stop(dcxo, timer);
i2c::start(dcxo, timer);
if !i2c::write(dcxo, (ADDRESS << 1) | 1, timer) {
return Err("Si549 failed to ack read address");
}
let val = i2c::read(dcxo, false, timer);
i2c::stop(dcxo, timer);
Ok(val)
}
fn setup(dcxo: i2c::DCXO, config: &DividerConfig, timer: &mut GlobalTimer) -> Result<(), &'static str> {
i2c::init(dcxo, timer)?;
write(dcxo, 255, 0x00, timer)?; // PAGE
write(dcxo, 69, 0x00, timer)?; // Disable FCAL override.
write(dcxo, 17, 0x00, timer)?; // Synchronously disable output
// The Si549 has no ID register, so we check that it responds correctly
// by writing values to a RAM-like register and reading them back.
for test_value in 0..255 {
write(dcxo, 23, test_value, timer)?;
let readback = read(dcxo, 23, timer)?;
if readback != test_value {
return Err("Si549 detection failed");
}
}
write(dcxo, 23, config.hsdiv as u8, timer)?;
write(dcxo, 24, (config.hsdiv >> 8) as u8 | (config.lsdiv << 4), timer)?;
write(dcxo, 26, config.fbdiv as u8, timer)?;
write(dcxo, 27, (config.fbdiv >> 8) as u8, timer)?;
write(dcxo, 28, (config.fbdiv >> 16) as u8, timer)?;
write(dcxo, 29, (config.fbdiv >> 24) as u8, timer)?;
write(dcxo, 30, (config.fbdiv >> 32) as u8, timer)?;
write(dcxo, 31, (config.fbdiv >> 40) as u8, timer)?;
write(dcxo, 7, 0x08, timer)?; // Start FCAL
timer.delay_us(30_000); // Internal FCAL VCO calibration
write(dcxo, 17, 0x01, timer)?; // Synchronously enable output
Ok(())
}
pub fn main_setup(timer: &mut GlobalTimer, settings: &FrequencySetting) -> Result<(), &'static str> {
unsafe {
csr::wrpll::main_dcxo_bitbang_enable_write(1);
csr::wrpll::main_dcxo_i2c_address_write(ADDRESS);
}
setup(i2c::DCXO::Main, &settings.main, timer)?;
// Si549 maximum settling time for large frequency change.
timer.delay_us(40_000);
unsafe {
csr::wrpll::main_dcxo_bitbang_enable_write(0);
}
info!("Main Si549 started");
Ok(())
}
pub fn helper_setup(timer: &mut GlobalTimer, settings: &FrequencySetting) -> Result<(), &'static str> {
unsafe {
csr::wrpll::helper_reset_write(1);
csr::wrpll::helper_dcxo_bitbang_enable_write(1);
csr::wrpll::helper_dcxo_i2c_address_write(ADDRESS);
}
setup(i2c::DCXO::Helper, &settings.helper, timer)?;
// Si549 maximum settling time for large frequency change.
timer.delay_us(40_000);
unsafe {
csr::wrpll::helper_reset_write(0);
csr::wrpll::helper_dcxo_bitbang_enable_write(0);
}
info!("Helper Si549 started");
Ok(())
}
fn set_adpll(dcxo: i2c::DCXO, adpll: i32) -> Result<(), &'static str> {
if adpll.abs() > ADPLL_MAX {
return Err("adpll is too large");
}
match dcxo {
i2c::DCXO::Main => unsafe {
if csr::wrpll::main_dcxo_bitbang_enable_read() == 1 {
return Err("Main si549 bitbang mode is active when using gateware i2c");
}
while csr::wrpll::main_dcxo_adpll_busy_read() == 1 {}
if csr::wrpll::main_dcxo_nack_read() == 1 {
return Err("Main si549 failed to ack adpll write");
}
csr::wrpll::main_dcxo_i2c_address_write(ADDRESS);
csr::wrpll::main_dcxo_adpll_write(adpll as u32);
csr::wrpll::main_dcxo_adpll_stb_write(1);
},
i2c::DCXO::Helper => unsafe {
if csr::wrpll::helper_dcxo_bitbang_enable_read() == 1 {
return Err("Helper si549 bitbang mode is active when using gateware i2c");
}
while csr::wrpll::helper_dcxo_adpll_busy_read() == 1 {}
if csr::wrpll::helper_dcxo_nack_read() == 1 {
return Err("Helper si549 failed to ack adpll write");
}
csr::wrpll::helper_dcxo_i2c_address_write(ADDRESS);
csr::wrpll::helper_dcxo_adpll_write(adpll as u32);
csr::wrpll::helper_dcxo_adpll_stb_write(1);
},
};
Ok(())
}
#[cfg(has_wrpll)]
pub mod wrpll {
use super::*;
const BEATING_PERIOD: i32 = 0x8000;
const BEATING_HALFPERIOD: i32 = 0x4000;
const COUNTER_WIDTH: u32 = 24;
const DIV_WIDTH: u32 = 2;
// y[n] = b0*x[n] + b1*x[n-1] + b2*x[n-2] - a1*y[n-1] - a2*y[n-2]
struct FilterParameters {
pub b0: f64,
pub b1: f64,
pub b2: f64,
pub a1: f64,
pub a2: f64,
}
#[cfg(rtio_frequency = "100.0")]
const LPF: FilterParameters = FilterParameters {
b0: 0.03967479060647884,
b1: 0.07934958121295768,
b2: 0.03967479060647884,
a1: -1.3865593741228928,
a2: 0.5452585365488082,
};
#[cfg(rtio_frequency = "125.0")]
const LPF: FilterParameters = FilterParameters {
b0: 0.07209205036273991,
b1: 0.14418410072547982,
b2: 0.07209205036273991,
a1: -0.6114078511562919,
a2: -0.10022394739274834,
};
static mut H_ADPLL1: i32 = 0;
static mut H_ADPLL2: i32 = 0;
static mut PERIOD_ERR1: i32 = 0;
static mut PERIOD_ERR2: i32 = 0;
static mut M_ADPLL1: i32 = 0;
static mut M_ADPLL2: i32 = 0;
static mut PHASE_ERR1: i32 = 0;
static mut PHASE_ERR2: i32 = 0;
static mut BASE_ADPLL: i32 = 0;
#[derive(Clone, Copy)]
pub enum ISR {
RefTag,
MainTag,
}
mod tag_collector {
use super::*;
#[cfg(wrpll_ref_clk = "GT_CDR")]
static mut TAG_OFFSET: u32 = 8382;
#[cfg(wrpll_ref_clk = "SMA_CLKIN")]
static mut TAG_OFFSET: u32 = 0;
static mut REF_TAG: u32 = 0;
static mut REF_TAG_READY: bool = false;
static mut MAIN_TAG: u32 = 0;
static mut MAIN_TAG_READY: bool = false;
pub fn reset() {
clear_phase_diff_ready();
unsafe {
REF_TAG = 0;
MAIN_TAG = 0;
}
}
pub fn clear_phase_diff_ready() {
unsafe {
REF_TAG_READY = false;
MAIN_TAG_READY = false;
}
}
pub fn collect_tags(interrupt: ISR) {
match interrupt {
ISR::RefTag => unsafe {
REF_TAG = csr::wrpll::ref_tag_read();
REF_TAG_READY = true;
},
ISR::MainTag => unsafe {
MAIN_TAG = csr::wrpll::main_tag_read();
MAIN_TAG_READY = true;
},
}
}
pub fn phase_diff_ready() -> bool {
unsafe { REF_TAG_READY && MAIN_TAG_READY }
}
#[cfg(feature = "calibrate_wrpll_skew")]
pub fn set_tag_offset(offset: u32) {
unsafe {
TAG_OFFSET = offset;
}
}
#[cfg(feature = "calibrate_wrpll_skew")]
pub fn get_tag_offset() -> u32 {
unsafe { TAG_OFFSET }
}
pub fn get_period_error() -> i32 {
// n * BEATING_PERIOD - REF_TAG(n) mod BEATING_PERIOD
let mut period_error = unsafe { REF_TAG.overflowing_neg().0.rem_euclid(BEATING_PERIOD as u32) as i32 };
// mapping tags from [0, 2π] -> [-π, π]
if period_error > BEATING_HALFPERIOD {
period_error -= BEATING_PERIOD
}
period_error
}
pub fn get_phase_error() -> i32 {
// MAIN_TAG(n) - REF_TAG(n) - TAG_OFFSET mod BEATING_PERIOD
let mut phase_error = unsafe {
MAIN_TAG
.overflowing_sub(REF_TAG + TAG_OFFSET)
.0
.rem_euclid(BEATING_PERIOD as u32) as i32
};
// mapping tags from [0, 2π] -> [-π, π]
if phase_error > BEATING_HALFPERIOD {
phase_error -= BEATING_PERIOD
}
phase_error
}
}
fn set_isr(en: bool) {
let val = if en { 1 } else { 0 };
unsafe {
csr::wrpll::ref_tag_ev_enable_write(val);
csr::wrpll::main_tag_ev_enable_write(val);
}
}
fn set_base_adpll() -> Result<(), &'static str> {
let count2adpll =
|error: i32| ((error as f64 * 1e6) / (0.0001164 * (1 << (COUNTER_WIDTH - DIV_WIDTH)) as f64)) as i32;
let (ref_count, main_count) = get_freq_counts();
unsafe {
BASE_ADPLL = count2adpll(ref_count as i32 - main_count as i32);
set_adpll(i2c::DCXO::Main, BASE_ADPLL)?;
set_adpll(i2c::DCXO::Helper, BASE_ADPLL)?;
}
Ok(())
}
fn get_freq_counts() -> (u32, u32) {
unsafe {
csr::wrpll::frequency_counter_update_write(1);
while csr::wrpll::frequency_counter_busy_read() == 1 {}
#[cfg(wrpll_ref_clk = "GT_CDR")]
let ref_count = csr::wrpll::frequency_counter_counter_rtio_rx0_read();
#[cfg(wrpll_ref_clk = "SMA_CLKIN")]
let ref_count = csr::wrpll::frequency_counter_counter_ref_read();
let main_count = csr::wrpll::frequency_counter_counter_sys_read();
(ref_count, main_count)
}
}
fn reset_plls(timer: &mut GlobalTimer) -> Result<(), &'static str> {
unsafe {
H_ADPLL1 = 0;
H_ADPLL2 = 0;
PERIOD_ERR1 = 0;
PERIOD_ERR2 = 0;
M_ADPLL1 = 0;
M_ADPLL2 = 0;
PHASE_ERR1 = 0;
PHASE_ERR2 = 0;
}
set_adpll(i2c::DCXO::Main, 0)?;
set_adpll(i2c::DCXO::Helper, 0)?;
// wait for adpll to transfer and DCXO to settle
timer.delay_us(200);
Ok(())
}
fn clear_pending(interrupt: ISR) {
match interrupt {
ISR::RefTag => unsafe { csr::wrpll::ref_tag_ev_pending_write(1) },
ISR::MainTag => unsafe { csr::wrpll::main_tag_ev_pending_write(1) },
};
}
fn is_pending(interrupt: ISR) -> bool {
match interrupt {
ISR::RefTag => unsafe { csr::wrpll::ref_tag_ev_pending_read() == 1 },
ISR::MainTag => unsafe { csr::wrpll::main_tag_ev_pending_read() == 1 },
}
}
pub fn interrupt_handler() {
if is_pending(ISR::RefTag) {
tag_collector::collect_tags(ISR::RefTag);
clear_pending(ISR::RefTag);
helper_pll().expect("failed to run helper DCXO PLL");
}
if is_pending(ISR::MainTag) {
tag_collector::collect_tags(ISR::MainTag);
clear_pending(ISR::MainTag);
}
if tag_collector::phase_diff_ready() {
main_pll().expect("failed to run main DCXO PLL");
tag_collector::clear_phase_diff_ready();
}
}
fn helper_pll() -> Result<(), &'static str> {
let period_err = tag_collector::get_period_error();
unsafe {
let adpll = ((LPF.b0 * period_err as f64) + (LPF.b1 * PERIOD_ERR1 as f64) + (LPF.b2 * PERIOD_ERR2 as f64)
- (LPF.a1 * H_ADPLL1 as f64)
- (LPF.a2 * H_ADPLL2 as f64)) as i32;
set_adpll(i2c::DCXO::Helper, BASE_ADPLL + adpll)?;
H_ADPLL2 = H_ADPLL1;
PERIOD_ERR2 = PERIOD_ERR1;
H_ADPLL1 = adpll;
PERIOD_ERR1 = period_err;
};
Ok(())
}
fn main_pll() -> Result<(), &'static str> {
let phase_err = tag_collector::get_phase_error();
unsafe {
let adpll = ((LPF.b0 * phase_err as f64) + (LPF.b1 * PHASE_ERR1 as f64) + (LPF.b2 * PHASE_ERR2 as f64)
- (LPF.a1 * M_ADPLL1 as f64)
- (LPF.a2 * M_ADPLL2 as f64)) as i32;
set_adpll(i2c::DCXO::Main, BASE_ADPLL + adpll)?;
M_ADPLL2 = M_ADPLL1;
PHASE_ERR2 = PHASE_ERR1;
M_ADPLL1 = adpll;
PHASE_ERR1 = phase_err;
};
Ok(())
}
#[cfg(wrpll_ref_clk = "GT_CDR")]
fn test_skew(timer: &mut GlobalTimer) -> Result<(), &'static str> {
// wait for PLL to stabilize
timer.delay_us(20_000);
info!("testing the skew of SYS CLK...");
if has_timing_error(timer) {
return Err("the skew cannot satisfy setup/hold time constraint of RX synchronizer");
}
info!("the skew of SYS CLK met the timing constraint");
Ok(())
}
#[cfg(wrpll_ref_clk = "GT_CDR")]
fn has_timing_error(timer: &mut GlobalTimer) -> bool {
unsafe {
csr::wrpll_skewtester::error_write(1);
}
timer.delay_us(5_000);
unsafe { csr::wrpll_skewtester::error_read() == 1 }
}
#[cfg(feature = "calibrate_wrpll_skew")]
fn find_edge(target: bool, timer: &mut GlobalTimer) -> Result<u32, &'static str> {
const STEP: u32 = 8;
const STABLE_THRESHOLD: u32 = 10;
enum FSM {
Init,
WaitEdge,
GotEdge,
}
let mut state: FSM = FSM::Init;
let mut offset: u32 = tag_collector::get_tag_offset();
let mut median_edge: u32 = 0;
let mut stable_counter: u32 = 0;
for _ in 0..(BEATING_PERIOD as u32 / STEP) as usize {
tag_collector::set_tag_offset(offset);
offset += STEP;
// wait for PLL to stabilize
timer.delay_us(20_000);
let error = has_timing_error(timer);
// A median edge deglitcher
match state {
FSM::Init => {
if error != target {
stable_counter += 1;
} else {
stable_counter = 0;
}
if stable_counter >= STABLE_THRESHOLD {
state = FSM::WaitEdge;
stable_counter = 0;
}
}
FSM::WaitEdge => {
if error == target {
state = FSM::GotEdge;
median_edge = offset;
}
}
FSM::GotEdge => {
if error != target {
median_edge += STEP;
stable_counter = 0;
} else {
stable_counter += 1;
}
if stable_counter >= STABLE_THRESHOLD {
return Ok(median_edge);
}
}
}
}
return Err("failed to find timing error edge");
}
#[cfg(feature = "calibrate_wrpll_skew")]
fn calibrate_skew(timer: &mut GlobalTimer) -> Result<(), &'static str> {
info!("calibrating skew to meet timing constraint...");
// clear calibrated value
tag_collector::set_tag_offset(0);
let rising = find_edge(true, timer)? as i32;
let falling = find_edge(false, timer)? as i32;
let width = BEATING_PERIOD - (falling - rising);
let result = falling + width / 2;
tag_collector::set_tag_offset(result as u32);
info!(
"calibration successful, error zone: {} -> {}, width: {} ({}deg), middle of working region: {}",
rising,
falling,
width,
360 * width / BEATING_PERIOD,
result,
);
Ok(())
}
pub fn select_recovered_clock(rc: bool, timer: &mut GlobalTimer) {
set_isr(false);
if rc {
tag_collector::reset();
reset_plls(timer).expect("failed to reset main and helper PLL");
// get within capture range
set_base_adpll().expect("failed to set base adpll");
// clear gateware pending flag
clear_pending(ISR::RefTag);
clear_pending(ISR::MainTag);
// use nFIQ to avoid IRQ being disabled by mutex lock and mess up PLL
set_isr(true);
info!("WRPLL interrupt enabled");
#[cfg(feature = "calibrate_wrpll_skew")]
calibrate_skew(timer).expect("failed to set the correct skew");
#[cfg(wrpll_ref_clk = "GT_CDR")]
test_skew(timer).expect("skew test failed");
}
}
}
#[cfg(has_wrpll_refclk)]
pub mod wrpll_refclk {
use super::*;
pub struct MmcmSetting {
pub clkout0_reg1: u16, //0x08
pub clkout0_reg2: u16, //0x09
pub clkfbout_reg1: u16, //0x14
pub clkfbout_reg2: u16, //0x15
pub div_reg: u16, //0x16
pub lock_reg1: u16, //0x18
pub lock_reg2: u16, //0x19
pub lock_reg3: u16, //0x1A
pub power_reg: u16, //0x28
pub filt_reg1: u16, //0x4E
pub filt_reg2: u16, //0x4F
}
fn one_clock_cycle() {
unsafe {
csr::wrpll_refclk::mmcm_dclk_write(1);
csr::wrpll_refclk::mmcm_dclk_write(0);
}
}
fn set_addr(address: u8) {
unsafe {
csr::wrpll_refclk::mmcm_daddr_write(address);
}
}
fn set_data(value: u16) {
unsafe {
csr::wrpll_refclk::mmcm_din_write(value);
}
}
fn set_enable(en: bool) {
unsafe {
let val = if en { 1 } else { 0 };
csr::wrpll_refclk::mmcm_den_write(val);
}
}
fn set_write_enable(en: bool) {
unsafe {
let val = if en { 1 } else { 0 };
csr::wrpll_refclk::mmcm_dwen_write(val);
}
}
fn get_data() -> u16 {
unsafe { csr::wrpll_refclk::mmcm_dout_read() }
}
fn drp_ready() -> bool {
unsafe { csr::wrpll_refclk::mmcm_dready_read() == 1 }
}
#[allow(dead_code)]
fn read(address: u8) -> u16 {
set_addr(address);
set_enable(true);
// Set DADDR on the mmcm and assert DEN for one clock cycle
one_clock_cycle();
set_enable(false);
while !drp_ready() {
// keep the clock signal until data is ready
one_clock_cycle();
}
get_data()
}
fn write(address: u8, value: u16) {
set_addr(address);
set_data(value);
set_write_enable(true);
set_enable(true);
// Set DADDR, DI on the mmcm and assert DWE, DEN for one clock cycle
one_clock_cycle();
set_write_enable(false);
set_enable(false);
while !drp_ready() {
// keep the clock signal until write is finished
one_clock_cycle();
}
}
fn reset(rst: bool) {
unsafe {
let val = if rst { 1 } else { 0 };
csr::wrpll_refclk::mmcm_reset_write(val)
}
}
pub fn setup(timer: &mut GlobalTimer, settings: MmcmSetting, mmcm_bypass: bool) -> Result<(), &'static str> {
unsafe {
csr::wrpll_refclk::refclk_reset_write(1);
}
if mmcm_bypass {
info!("Bypassing mmcm");
unsafe {
csr::wrpll_refclk::mmcm_bypass_write(1);
}
} else {
// Based on "DRP State Machine" from XAPP888
// hold reset HIGH during mmcm config
reset(true);
write(0x08, settings.clkout0_reg1);
write(0x09, settings.clkout0_reg2);
write(0x14, settings.clkfbout_reg1);
write(0x15, settings.clkfbout_reg2);
write(0x16, settings.div_reg);
write(0x18, settings.lock_reg1);
write(0x19, settings.lock_reg2);
write(0x1A, settings.lock_reg3);
write(0x28, settings.power_reg);
write(0x4E, settings.filt_reg1);
write(0x4F, settings.filt_reg2);
reset(false);
// wait for the mmcm to lock
timer.delay_us(100);
let locked = unsafe { csr::wrpll_refclk::mmcm_locked_read() == 1 };
if !locked {
return Err("mmcm failed to generate 125MHz ref clock from SMA CLKIN");
}
}
unsafe {
csr::wrpll_refclk::refclk_reset_write(0);
}
Ok(())
}
}

2
src/libbuild_zynq/link.x
View File

@ -10,9 +10,7 @@ SECTIONS
__text_start = .;
.text :
{
__exceptions_start = .;
KEEP(*(.text.exceptions));
__exceptions_end = .;
*(.text.boot);
*(.text .text.*);
} > SDRAM

10
src/libio/cursor.rs
View File

@ -45,10 +45,7 @@ impl<T: AsRef<[u8]>> Read for Cursor<T> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize, IoError> {
let data = &self.inner.as_ref()[self.pos..];
let len = buf.len().min(data.len());
// ``copy_from_slice`` generates AXI bursts, use a regular loop instead
for i in 0..len {
buf[i] = data[i];
}
buf[..len].copy_from_slice(&data[..len]);
self.pos += len;
Ok(len)
}
@ -58,9 +55,7 @@ impl Write for Cursor<&mut [u8]> {
fn write(&mut self, buf: &[u8]) -> Result<usize, IoError> {
let data = &mut self.inner[self.pos..];
let len = buf.len().min(data.len());
for i in 0..len {
data[i] = buf[i];
}
data[..len].copy_from_slice(&buf[..len]);
self.pos += len;
Ok(len)
}
@ -73,6 +68,7 @@ impl Write for Cursor<&mut [u8]> {
#[cfg(feature = "alloc")]
impl Write for Cursor<Vec<u8>> {
#[inline]
fn write(&mut self, buf: &[u8]) -> Result<usize, IoError> {
self.inner.extend_from_slice(buf);
Ok(buf.len())

6
src/libksupport/Cargo.toml.tpl
View File

@ -32,9 +32,3 @@ unwind = { path = "../libunwind" }
libc = { path = "../libc" }
io = { path = "../libio" }
libboard_artiq = { path = "../libboard_artiq" }
[dependencies.nalgebra]
git = "https://git.m-labs.hk/M-Labs/nalgebra.git"
rev = "dd00f9b"
default-features = false
features = ["libm", "alloc"]

124
src/libksupport/src/eh_artiq.rs
View File

@ -14,10 +14,8 @@
use core::mem;
use core_io::Error as ReadError;
use cslice::{AsCSlice, CSlice};
use cslice::CSlice;
use dwarf::eh::{self, EHAction, EHContext};
use io::{Cursor, ProtoRead};
use libc::{c_int, c_void, uintptr_t};
use log::{error, trace};
use unwind as uw;
@ -222,6 +220,8 @@ pub unsafe fn artiq_personality(
}
pub unsafe extern "C" fn raise(exception: *const Exception) -> ! {
use cslice::AsCSlice;
let count = EXCEPTION_BUFFER.exception_count;
let stack = &mut EXCEPTION_BUFFER.exception_stack;
let diff = exception as isize - EXCEPTION_BUFFER.exceptions.as_ptr() as isize;
@ -295,60 +295,6 @@ pub unsafe extern "C" fn raise(exception: *const Exception) -> ! {
unreachable!();
}
fn read_exception_string<'a>(reader: &mut Cursor<&[u8]>) -> Result<CSlice<'a, u8>, ReadError> {
let len = reader.read_u32()? as usize;
if len == usize::MAX {
let data = reader.read_u32()?;
Ok(unsafe { CSlice::new(data as *const u8, len) })
} else {
let pos = reader.position();
let slice = unsafe {
let ptr = reader.get_ref().as_ptr().offset(pos as isize);
CSlice::new(ptr, len)
};
reader.set_position(pos + len);
Ok(slice)
}
}
fn read_exception(raw_exception: &[u8]) -> Result<Exception, ReadError> {
let mut reader = Cursor::new(raw_exception);
let mut byte = reader.read_u8()?;
// to sync
while byte != 0x5a {
byte = reader.read_u8()?;
}
// skip sync bytes, 0x09 indicates exception
while byte != 0x09 {
byte = reader.read_u8()?;
}
let _len = reader.read_u32()?;
// ignore the remaining exceptions, stack traces etc. - unwinding from another device would be unwise anyway
Ok(Exception {
id: reader.read_u32()?,
message: read_exception_string(&mut reader)?,
param: [
reader.read_u64()? as i64,
reader.read_u64()? as i64,
reader.read_u64()? as i64,
],
file: read_exception_string(&mut reader)?,
line: reader.read_u32()?,
column: reader.read_u32()?,
function: read_exception_string(&mut reader)?,
})
}
pub fn raise_raw(raw_exception: &[u8]) -> ! {
use crate::artiq_raise;
if let Ok(exception) = read_exception(raw_exception) {
unsafe { raise(&exception) };
} else {
artiq_raise!("SubkernelError", "Error passing exception");
}
}
pub unsafe extern "C" fn resume() -> ! {
trace!("resume");
assert!(EXCEPTION_BUFFER.exception_count != 0);
@ -475,30 +421,20 @@ extern "C" fn stop_fn(
}
}
// Must be kept in sync with preallocate_runtime_exception_names() in `artiq.compiler.embedding`
static EXCEPTION_ID_LOOKUP: [(&str, u32); 22] = [
("RTIOUnderflow", 0),
("RTIOOverflow", 1),
("RTIODestinationUnreachable", 2),
("DMAError", 3),
("I2CError", 4),
("CacheError", 5),
("SPIError", 6),
("SubkernelError", 7),
("AssertionError", 8),
("AttributeError", 9),
("IndexError", 10),
("IOError", 11),
("KeyError", 12),
("NotImplementedError", 13),
("OverflowError", 14),
("RuntimeError", 15),
("TimeoutError", 16),
("TypeError", 17),
("ValueError", 18),
("ZeroDivisionError", 19),
("LinAlgError", 20),
("UnwrapNoneError", 21),
// Must be kept in sync with preallocate_runtime_exception_names() in artiq/language/embedding_map.py
static EXCEPTION_ID_LOOKUP: [(&str, u32); 12] = [
("RuntimeError", 0),
("RTIOUnderflow", 1),
("RTIOOverflow", 2),
("RTIODestinationUnreachable", 3),
("DMAError", 4),
("I2CError", 5),
("CacheError", 6),
("SPIError", 7),
("ZeroDivisionError", 8),
("IndexError", 9),
("UnwrapNoneError", 10),
("SubkernelError", 11),
];
pub fn get_exception_id(name: &str) -> u32 {
@ -533,29 +469,3 @@ macro_rules! artiq_raise {
}};
($name:expr, $message:expr) => {{ artiq_raise!($name, $message, 0, 0, 0) }};
}
/// Takes as input exception id from host
/// Generates a new exception with:
/// * `id` set to `exn_id`
/// * `message` set to corresponding exception name from `EXCEPTION_ID_LOOKUP`
///
/// The message is matched on host to ensure correct exception is being referred
/// This test checks the synchronization of exception ids for runtime errors
#[no_mangle]
pub extern "C" fn test_exception_id_sync(exn_id: u32) {
let message = EXCEPTION_ID_LOOKUP
.iter()
.find_map(|&(name, id)| if id == exn_id { Some(name) } else { None })
.unwrap_or("unallocated internal exception id");
let exn = Exception {
id: exn_id,
file: file!().as_c_slice(),
line: 0,
column: 0,
function: "test_exception_id_sync".as_c_slice(),
message: message.as_c_slice(),
param: [0, 0, 0],
};
unsafe { raise(&exn) };
}

23
src/libksupport/src/kernel/api.rs
View File

@ -9,7 +9,7 @@ use log::{info, warn};
use super::subkernel;
use super::{cache,
core1::rtio_get_destination_status,
dma, linalg,
dma,
rpc::{rpc_recv, rpc_send, rpc_send_async}};
use crate::{eh_artiq, i2c, rtio};
@ -303,7 +303,6 @@ pub fn resolve(required: &[u8]) -> Option<u32> {
api_libm_f64f64f64!(nextafter),
api_libm_f64f64f64!(pow),
api_libm_f64f64!(round),
api_libm_f64f64!(rint),
api_libm_f64f64!(sin),
api_libm_f64f64!(sinh),
api_libm_f64f64!(sqrt),
@ -319,26 +318,6 @@ pub fn resolve(required: &[u8]) -> Option<u32> {
}
api!(yn = yn)
},
// linalg
api!(np_linalg_cholesky = linalg::np_linalg_cholesky),
api!(np_linalg_qr = linalg::np_linalg_qr),
api!(np_linalg_svd = linalg::np_linalg_svd),
api!(np_linalg_inv = linalg::np_linalg_inv),
api!(np_linalg_pinv = linalg::np_linalg_pinv),
api!(np_linalg_matrix_power = linalg::np_linalg_matrix_power),
api!(np_linalg_det = linalg::np_linalg_det),
api!(sp_linalg_lu = linalg::sp_linalg_lu),
api!(sp_linalg_schur = linalg::sp_linalg_schur),
api!(sp_linalg_hessenberg = linalg::sp_linalg_hessenberg),
/*
* syscall for unit tests
* Used in `artiq.tests.coredevice.test_exceptions.ExceptionTest.test_raise_exceptions_kernel`
* This syscall checks that the exception IDs used in the Python `EmbeddingMap` (in `artiq.language.embedding`)
* match the `EXCEPTION_ID_LOOKUP` defined in the firmware (`libksupport::src::eh_artiq`)
*/
api!(test_exception_id_sync = eh_artiq::test_exception_id_sync)
];
api.iter()
.find(|&&(exported, _)| exported.as_bytes() == required)

3
src/libksupport/src/kernel/dma.rs
View File

@ -170,7 +170,6 @@ pub extern "C" fn dma_playback(timestamp: i64, ptr: i32, _uses_ddma: bool) {
csr::rtio_dma::base_address_write(ptr as u32);
csr::rtio_dma::time_offset_write(timestamp as u64);
let old_cri_master = csr::cri_con::selected_read();
csr::cri_con::selected_write(1);
csr::rtio_dma::enable_write(1);
#[cfg(has_drtio)]
@ -184,7 +183,7 @@ pub extern "C" fn dma_playback(timestamp: i64, ptr: i32, _uses_ddma: bool) {
});
}
while csr::rtio_dma::enable_read() != 0 {}
csr::cri_con::selected_write(old_cri_master);
csr::cri_con::selected_write(0);
let error = csr::rtio_dma::error_read();
if error != 0 {

440
src/libksupport/src/kernel/linalg.rs
View File

@ -1,440 +0,0 @@
// Uses `nalgebra` crate to invoke `np_linalg` and `sp_linalg` functions
// When converting between `nalgebra::Matrix` and `NDArray` following considerations are necessary
//
// * Both `nalgebra::Matrix` and `NDArray` require their content to be stored in row-major order
// * `NDArray` data pointer can be directly read and converted to `nalgebra::Matrix` (row and column number must be known)
// * `nalgebra::Matrix::as_slice` returns the content of matrix in column-major order and initial data needs to be transposed before storing it in `NDArray` data pointer
use alloc::vec::Vec;
use core::slice;
use nalgebra::DMatrix;
use crate::artiq_raise;
pub struct InputMatrix {
pub ndims: usize,
pub dims: *const usize,
pub data: *mut f64,
}
impl InputMatrix {
fn get_dims(&mut self) -> Vec<usize> {
let dims = unsafe { slice::from_raw_parts(self.dims, self.ndims) };
dims.to_vec()
}
}
/// # Safety
///
/// `mat1` should point to a valid 2DArray of `f64` floats in row-major order
#[no_mangle]
pub unsafe extern "C" fn np_linalg_cholesky(mat1: *mut InputMatrix, out: *mut InputMatrix) {
let mat1 = mat1.as_mut().unwrap();
let out = out.as_mut().unwrap();
if mat1.ndims != 2 {
artiq_raise!(
"ValueError",
"expected 2D Vector Input, but received {1}D input)",
0,
mat1.ndims as i64,
0
);
}
let dim1 = (*mat1).get_dims();
if dim1[0] != dim1[1] {
artiq_raise!(
"ValueError",
"last 2 dimensions of the array must be square: {1} != {2}",
0,
dim1[0] as i64,
dim1[1] as i64
);
}
let outdim = out.get_dims();
let out_slice = slice::from_raw_parts_mut(out.data, outdim[0] * outdim[1]);
let data_slice1 = slice::from_raw_parts_mut(mat1.data, dim1[0] * dim1[1]);
let matrix1 = DMatrix::from_row_slice(dim1[0], dim1[1], data_slice1);
let result = matrix1.cholesky();
match result {
Some(res) => {
out_slice.copy_from_slice(res.unpack().transpose().as_slice());
}
None => {
artiq_raise!("LinAlgError", "Matrix is not positive definite");
}
};
}
/// # Safety
///
/// `mat1` should point to a valid 2DArray of `f64` floats in row-major order
#[no_mangle]
pub unsafe extern "C" fn np_linalg_qr(mat1: *mut InputMatrix, out_q: *mut InputMatrix, out_r: *mut InputMatrix) {
let mat1 = mat1.as_mut().unwrap();
let out_q = out_q.as_mut().unwrap();
let out_r = out_r.as_mut().unwrap();
if mat1.ndims != 2 {
artiq_raise!(
"ValueError",
"expected 2D Vector Input, but received {1}D input)",
0,
mat1.ndims as i64,
0
);
}
let dim1 = (*mat1).get_dims();
let outq_dim = (*out_q).get_dims();
let outr_dim = (*out_r).get_dims();
let data_slice1 = slice::from_raw_parts_mut(mat1.data, dim1[0] * dim1[1]);
let out_q_slice = slice::from_raw_parts_mut(out_q.data, outq_dim[0] * outq_dim[1]);
let out_r_slice = slice::from_raw_parts_mut(out_r.data, outr_dim[0] * outr_dim[1]);
// Refer to https://github.com/dimforge/nalgebra/issues/735
let matrix1 = DMatrix::from_row_slice(dim1[0], dim1[1], data_slice1);
let res = matrix1.qr();
let (q, r) = res.unpack();
// Uses different algo need to match numpy
out_q_slice.copy_from_slice(q.transpose().as_slice());
out_r_slice.copy_from_slice(r.transpose().as_slice());
}
/// # Safety
///
/// `mat1` should point to a valid 2DArray of `f64` floats in row-major order
#[no_mangle]
pub unsafe extern "C" fn np_linalg_svd(
mat1: *mut InputMatrix,
outu: *mut InputMatrix,
outs: *mut InputMatrix,
outvh: *mut InputMatrix,
) {
let mat1 = mat1.as_mut().unwrap();
let outu = outu.as_mut().unwrap();
let outs = outs.as_mut().unwrap();
let outvh = outvh.as_mut().unwrap();
if mat1.ndims != 2 {
artiq_raise!(
"ValueError",
"expected 2D Vector Input, but received {1}D input)",
0,
mat1.ndims as i64,
0
);
}
let dim1 = (*mat1).get_dims();
let outu_dim = (*outu).get_dims();
let outs_dim = (*outs).get_dims();
let outvh_dim = (*outvh).get_dims();
let data_slice1 = slice::from_raw_parts_mut(mat1.data, dim1[0] * dim1[1]);
let out_u_slice = slice::from_raw_parts_mut(outu.data, outu_dim[0] * outu_dim[1]);
let out_s_slice = slice::from_raw_parts_mut(outs.data, outs_dim[0]);
let out_vh_slice = slice::from_raw_parts_mut(outvh.data, outvh_dim[0] * outvh_dim[1]);
let matrix = DMatrix::from_row_slice(dim1[0], dim1[1], data_slice1);
let result = matrix.svd(true, true);
out_u_slice.copy_from_slice(result.u.unwrap().transpose().as_slice());
out_s_slice.copy_from_slice(result.singular_values.as_slice());
out_vh_slice.copy_from_slice(result.v_t.unwrap().transpose().as_slice());
}
/// # Safety
///
/// `mat1` should point to a valid 2DArray of `f64` floats in row-major order
#[no_mangle]
pub unsafe extern "C" fn np_linalg_inv(mat1: *mut InputMatrix, out: *mut InputMatrix) {
let mat1 = mat1.as_mut().unwrap();
let out = out.as_mut().unwrap();
if mat1.ndims != 2 {
artiq_raise!(
"ValueError",
"expected 2D Vector Input, but received {1}D input)",
0,
mat1.ndims as i64,
0
);
}
let dim1 = (*mat1).get_dims();
if dim1[0] != dim1[1] {
artiq_raise!(
"ValueError",
"last 2 dimensions of the array must be square: {1} != {2}",
0,
dim1[0] as i64,
dim1[1] as i64
);
}
let outdim = out.get_dims();
let out_slice = slice::from_raw_parts_mut(out.data, outdim[0] * outdim[1]);
let data_slice1 = slice::from_raw_parts_mut(mat1.data, dim1[0] * dim1[1]);
let matrix = DMatrix::from_row_slice(dim1[0], dim1[1], data_slice1);
if !matrix.is_invertible() {
artiq_raise!("LinAlgError", "no inverse for Singular Matrix");
}
let inv = matrix.try_inverse().unwrap();
out_slice.copy_from_slice(inv.transpose().as_slice());
}
/// # Safety
///
/// `mat1` should point to a valid 2DArray of `f64` floats in row-major order
#[no_mangle]
pub unsafe extern "C" fn np_linalg_pinv(mat1: *mut InputMatrix, out: *mut InputMatrix) {
let mat1 = mat1.as_mut().unwrap();
let out = out.as_mut().unwrap();
if mat1.ndims != 2 {
artiq_raise!(
"ValueError",
"expected 2D Vector Input, but received {1}D input)",
0,
mat1.ndims as i64,
0
);
}
let dim1 = (*mat1).get_dims();
let outdim = out.get_dims();
let out_slice = slice::from_raw_parts_mut(out.data, outdim[0] * outdim[1]);
let data_slice1 = slice::from_raw_parts_mut(mat1.data, dim1[0] * dim1[1]);
let matrix = DMatrix::from_row_slice(dim1[0], dim1[1], data_slice1);
let svd = matrix.svd(true, true);
let inv = svd.pseudo_inverse(1e-15);
match inv {
Ok(m) => {
out_slice.copy_from_slice(m.transpose().as_slice());
}
Err(_) => {
artiq_raise!("LinAlgError", "SVD computation does not converge");
}
}
}
/// # Safety
///
/// `mat1` should point to a valid 2DArray of `f64` floats in row-major order
#[no_mangle]
pub unsafe extern "C" fn np_linalg_matrix_power(mat1: *mut InputMatrix, mat2: *mut InputMatrix, out: *mut InputMatrix) {
let mat1 = mat1.as_mut().unwrap();
let mat2 = mat2.as_mut().unwrap();
let out = out.as_mut().unwrap();
if mat1.ndims != 2 {
artiq_raise!(
"ValueError",
"expected 2D Vector Input, but received {1}D input)",
0,
mat1.ndims as i64,
0
);
}
let dim1 = (*mat1).get_dims();
let power = slice::from_raw_parts_mut(mat2.data, 1);
let power = power[0];
let outdim = out.get_dims();
let out_slice = slice::from_raw_parts_mut(out.data, outdim[0] * outdim[1]);
let data_slice1 = slice::from_raw_parts_mut(mat1.data, dim1[0] * dim1[1]);
let mut abs_power = power;
if abs_power < 0.0 {
abs_power = abs_power * -1.0;
}
let matrix1 = DMatrix::from_row_slice(dim1[0], dim1[1], data_slice1);
if !matrix1.is_square() {
artiq_raise!(
"ValueError",
"last 2 dimensions of the array must be square: {1} != {2}",
0,
dim1[0] as i64,
dim1[1] as i64
);
}
let mut result = matrix1.pow(abs_power as u32);
if power < 0.0 {
if !matrix1.is_invertible() {
artiq_raise!("LinAlgError", "no inverse for Singular Matrix");
}
result = result.try_inverse().unwrap();
}
out_slice.copy_from_slice(result.transpose().as_slice());
}
/// # Safety
///
/// `mat1` should point to a valid 2DArray of `f64` floats in row-major order
#[no_mangle]
pub unsafe extern "C" fn np_linalg_det(mat1: *mut InputMatrix, out: *mut InputMatrix) {
let mat1 = mat1.as_mut().unwrap();
let out = out.as_mut().unwrap();
if mat1.ndims != 2 {
artiq_raise!(
"ValueError",
"expected 2D Vector Input, but received {1}D input)",
0,
mat1.ndims as i64,
0
);
}
let dim1 = (*mat1).get_dims();
let out_slice = slice::from_raw_parts_mut(out.data, 1);
let data_slice1 = slice::from_raw_parts_mut(mat1.data, dim1[0] * dim1[1]);
let matrix = DMatrix::from_row_slice(dim1[0], dim1[1], data_slice1);
if !matrix.is_square() {
artiq_raise!(
"ValueError",
"last 2 dimensions of the array must be square: {1} != {2}",
0,
dim1[0] as i64,
dim1[1] as i64
);
}
out_slice[0] = matrix.determinant();
}
/// # Safety
///
/// `mat1` should point to a valid 2DArray of `f64` floats in row-major order
#[no_mangle]
pub unsafe extern "C" fn sp_linalg_lu(mat1: *mut InputMatrix, out_l: *mut InputMatrix, out_u: *mut InputMatrix) {
let mat1 = mat1.as_mut().unwrap();
let out_l = out_l.as_mut().unwrap();
let out_u = out_u.as_mut().unwrap();
if mat1.ndims != 2 {
artiq_raise!(
"ValueError",
"expected 2D Vector Input, but received {1}D input)",
0,
mat1.ndims as i64,
0
);
}
let dim1 = (*mat1).get_dims();
let outl_dim = (*out_l).get_dims();
let outu_dim = (*out_u).get_dims();
let data_slice1 = slice::from_raw_parts_mut(mat1.data, dim1[0] * dim1[1]);
let out_l_slice = slice::from_raw_parts_mut(out_l.data, outl_dim[0] * outl_dim[1]);
let out_u_slice = slice::from_raw_parts_mut(out_u.data, outu_dim[0] * outu_dim[1]);
let matrix = DMatrix::from_row_slice(dim1[0], dim1[1], data_slice1);
let (_, l, u) = matrix.lu().unpack();
out_l_slice.copy_from_slice(l.transpose().as_slice());
out_u_slice.copy_from_slice(u.transpose().as_slice());
}
/// # Safety
///
/// `mat1` should point to a valid 2DArray of `f64` floats in row-major order
#[no_mangle]
pub unsafe extern "C" fn sp_linalg_schur(mat1: *mut InputMatrix, out_t: *mut InputMatrix, out_z: *mut InputMatrix) {
let mat1 = mat1.as_mut().unwrap();
let out_t = out_t.as_mut().unwrap();
let out_z = out_z.as_mut().unwrap();
if mat1.ndims != 2 {
artiq_raise!(
"ValueError",
"expected 2D Vector Input, but received {1}D input)",
0,
mat1.ndims as i64,
0
);
}
let dim1 = (*mat1).get_dims();
if dim1[0] != dim1[1] {
artiq_raise!(
"ValueError",
"last 2 dimensions of the array must be square: {1} != {2}",
0,
dim1[0] as i64,
dim1[1] as i64
);
}
let out_t_dim = (*out_t).get_dims();
let out_z_dim = (*out_z).get_dims();
let data_slice1 = slice::from_raw_parts_mut(mat1.data, dim1[0] * dim1[1]);
let out_t_slice = slice::from_raw_parts_mut(out_t.data, out_t_dim[0] * out_t_dim[1]);
let out_z_slice = slice::from_raw_parts_mut(out_z.data, out_z_dim[0] * out_z_dim[1]);
let matrix = DMatrix::from_row_slice(dim1[0], dim1[1], data_slice1);
let (z, t) = matrix.schur().unpack();
out_t_slice.copy_from_slice(t.transpose().as_slice());
out_z_slice.copy_from_slice(z.transpose().as_slice());
}
/// # Safety
///
/// `mat1` should point to a valid 2DArray of `f64` floats in row-major order
#[no_mangle]
pub unsafe extern "C" fn sp_linalg_hessenberg(
mat1: *mut InputMatrix,
out_h: *mut InputMatrix,
out_q: *mut InputMatrix,
) {
let mat1 = mat1.as_mut().unwrap();
let out_h = out_h.as_mut().unwrap();
let out_q = out_q.as_mut().unwrap();
if mat1.ndims != 2 {
artiq_raise!(
"ValueError",
"expected 2D Vector Input, but received {1}D input)",
0,
mat1.ndims as i64,
0
);
}
let dim1 = (*mat1).get_dims();
if dim1[0] != dim1[1] {
artiq_raise!(
"ValueError",
"last 2 dimensions of the array must be square: {1} != {2}",
0,
dim1[0] as i64,
dim1[1] as i64
);
}
let out_h_dim = (*out_h).get_dims();
let out_q_dim = (*out_q).get_dims();
let data_slice1 = slice::from_raw_parts_mut(mat1.data, dim1[0] * dim1[1]);
let out_h_slice = slice::from_raw_parts_mut(out_h.data, out_h_dim[0] * out_h_dim[1]);
let out_q_slice = slice::from_raw_parts_mut(out_q.data, out_q_dim[0] * out_q_dim[1]);
let matrix = DMatrix::from_row_slice(dim1[0], dim1[1], data_slice1);
let (q, h) = matrix.hessenberg().unpack();
out_h_slice.copy_from_slice(h.transpose().as_slice());
out_q_slice.copy_from_slice(q.transpose().as_slice());
}

17
src/libksupport/src/kernel/mod.rs
View File

@ -13,7 +13,6 @@ mod dma;
mod rpc;
pub use dma::DmaRecorder;
mod cache;
mod linalg;
#[cfg(has_drtio)]
mod subkernel;
@ -24,7 +23,6 @@ pub enum SubkernelStatus {
Timeout,
IncorrectState,
CommLost,
Exception(Vec<u8>),
OtherError,
}
@ -79,7 +77,6 @@ pub enum Message {
#[cfg(has_drtio)]
SubkernelLoadRunRequest {
id: u32,
destination: u8,
run: bool,
},
#[cfg(has_drtio)]
@ -89,30 +86,30 @@ pub enum Message {
#[cfg(has_drtio)]
SubkernelAwaitFinishRequest {
id: u32,
timeout: i64,
timeout: u64,
},
#[cfg(has_drtio)]
SubkernelAwaitFinishReply,
SubkernelAwaitFinishReply {
status: SubkernelStatus,
},
#[cfg(has_drtio)]
SubkernelMsgSend {
id: u32,
destination: Option<u8>,
data: Vec<u8>,
},
#[cfg(has_drtio)]
SubkernelMsgSent,
#[cfg(has_drtio)]
SubkernelMsgRecvRequest {
id: i32,
timeout: i64,
id: u32,
timeout: u64,
tags: Vec<u8>,
},
#[cfg(has_drtio)]
SubkernelMsgRecvReply {
status: SubkernelStatus,
count: u8,
},
#[cfg(has_drtio)]
SubkernelError(SubkernelStatus),
}
static CHANNEL_0TO1: Mutex<Option<sync_channel::Sender<'static, Message>>> = Mutex::new(None);

83
src/libksupport/src/kernel/subkernel.rs
View File

@ -3,18 +3,14 @@ use alloc::vec::Vec;
use cslice::CSlice;
use super::{Message, SubkernelStatus, KERNEL_CHANNEL_0TO1, KERNEL_CHANNEL_1TO0};
use crate::{artiq_raise, eh_artiq, rpc::send_args};
use crate::{artiq_raise, rpc::send_args};
pub extern "C" fn load_run(id: u32, destination: u8, run: bool) {
pub extern "C" fn load_run(id: u32, run: bool) {
unsafe {
KERNEL_CHANNEL_1TO0
.as_mut()
.unwrap()
.send(Message::SubkernelLoadRunRequest {
id: id,
destination: destination,
run: run,
});
.send(Message::SubkernelLoadRunRequest { id: id, run: run });
}
match unsafe { KERNEL_CHANNEL_0TO1.as_mut().unwrap() }.recv() {
Message::SubkernelLoadRunReply { succeeded: true } => (),
@ -25,7 +21,7 @@ pub extern "C" fn load_run(id: u32, destination: u8, run: bool) {
}
}
pub extern "C" fn await_finish(id: u32, timeout: i64) {
pub extern "C" fn await_finish(id: u32, timeout: u64) {
unsafe {
KERNEL_CHANNEL_1TO0
.as_mut()
@ -36,30 +32,26 @@ pub extern "C" fn await_finish(id: u32, timeout: i64) {
});
}
match unsafe { KERNEL_CHANNEL_0TO1.as_mut().unwrap() }.recv() {
Message::SubkernelAwaitFinishReply => (),
Message::SubkernelError(SubkernelStatus::IncorrectState) => {
artiq_raise!("SubkernelError", "Subkernel not running")
}
Message::SubkernelError(SubkernelStatus::Timeout) => artiq_raise!("SubkernelError", "Subkernel timed out"),
Message::SubkernelError(SubkernelStatus::CommLost) => {
artiq_raise!("SubkernelError", "Lost communication with satellite")
}
Message::SubkernelError(SubkernelStatus::OtherError) => {
artiq_raise!("SubkernelError", "An error occurred during subkernel operation")
}
Message::SubkernelError(SubkernelStatus::Exception(raw_exception)) => eh_artiq::raise_raw(&raw_exception),
Message::SubkernelAwaitFinishReply {
status: SubkernelStatus::NoError,
} => (),
Message::SubkernelAwaitFinishReply {
status: SubkernelStatus::IncorrectState,
} => artiq_raise!("SubkernelError", "Subkernel not running"),
Message::SubkernelAwaitFinishReply {
status: SubkernelStatus::Timeout,
} => artiq_raise!("SubkernelError", "Subkernel timed out"),
Message::SubkernelAwaitFinishReply {
status: SubkernelStatus::CommLost,
} => artiq_raise!("SubkernelError", "Lost communication with satellite"),
Message::SubkernelAwaitFinishReply {
status: SubkernelStatus::OtherError,
} => artiq_raise!("SubkernelError", "An error occurred during subkernel operation"),
_ => panic!("expected SubkernelAwaitFinishReply after SubkernelAwaitFinishRequest"),
}
}
pub extern "C" fn send_message(
id: u32,
is_return: bool,
destination: u8,
count: u8,
tag: &CSlice<u8>,
data: *const *const (),
) {
pub extern "C" fn send_message(id: u32, count: u8, tag: &CSlice<u8>, data: *const *const ()) {
let mut buffer = Vec::<u8>::new();
send_args(&mut buffer, 0, tag.as_ref(), data, false).expect("RPC encoding failed");
// overwrite service tag, include how many tags are in the message
@ -67,7 +59,6 @@ pub extern "C" fn send_message(
unsafe {
KERNEL_CHANNEL_1TO0.as_mut().unwrap().send(Message::SubkernelMsgSend {
id: id,
destination: if is_return { None } else { Some(destination) },
data: buffer[3..].to_vec(),
});
}
@ -77,7 +68,7 @@ pub extern "C" fn send_message(
}
}
pub extern "C" fn await_message(id: i32, timeout: i64, tags: &CSlice<u8>, min: u8, max: u8) {
pub extern "C" fn await_message(id: u32, timeout: u64, tags: &CSlice<u8>, min: u8, max: u8) {
unsafe {
KERNEL_CHANNEL_1TO0
.as_mut()
@ -89,22 +80,30 @@ pub extern "C" fn await_message(id: i32, timeout: i64, tags: &CSlice<u8>, min: u
});
}
match unsafe { KERNEL_CHANNEL_0TO1.as_mut().unwrap() }.recv() {
Message::SubkernelMsgRecvReply { count } => {
Message::SubkernelMsgRecvReply {
status: SubkernelStatus::NoError,
count,
} => {
if min > count || count > max {
artiq_raise!("SubkernelError", "Received more or less arguments than required")
}
}
Message::SubkernelError(SubkernelStatus::IncorrectState) => {
artiq_raise!("SubkernelError", "Subkernel not running")
}
Message::SubkernelError(SubkernelStatus::Timeout) => artiq_raise!("SubkernelError", "Subkernel timed out"),
Message::SubkernelError(SubkernelStatus::CommLost) => {
artiq_raise!("SubkernelError", "Lost communication with satellite")
}
Message::SubkernelError(SubkernelStatus::OtherError) => {
artiq_raise!("SubkernelError", "An error occurred during subkernel operation")
}
Message::SubkernelError(SubkernelStatus::Exception(raw_exception)) => eh_artiq::raise_raw(&raw_exception),
Message::SubkernelMsgRecvReply {
status: SubkernelStatus::IncorrectState,
..
} => artiq_raise!("SubkernelError", "Subkernel not running"),
Message::SubkernelMsgRecvReply {
status: SubkernelStatus::Timeout,
..
} => artiq_raise!("SubkernelError", "Subkernel timed out"),
Message::SubkernelMsgRecvReply {
status: SubkernelStatus::CommLost,
..
} => artiq_raise!("SubkernelError", "Lost communication with satellite"),
Message::SubkernelMsgRecvReply {
status: SubkernelStatus::OtherError,
..
} => artiq_raise!("SubkernelError", "An error occurred during subkernel operation"),
_ => panic!("expected SubkernelMsgRecvReply after SubkernelMsgRecvRequest"),
}
// RpcRecvRequest should be called after this to receive message data

4
src/runtime/Cargo.toml.tpl
View File

@ -41,7 +41,3 @@ libc = { path = "../libc" }
io = { path = "../libio", features = ["alloc"] }
ksupport = { path = "../libksupport" }
libboard_artiq = { path = "../libboard_artiq" }
[dependencies.tar-no-std]
git = "https://git.m-labs.hk/M-Labs/tar-no-std"
rev = "2ab6dc5"

2
src/runtime/src/analyzer.rs
View File

@ -60,7 +60,7 @@ pub mod remote_analyzer {
routing_table: &drtio_routing::RoutingTable,
up_destinations: &Rc<RefCell<[bool; drtio_routing::DEST_COUNT]>>,
timer: GlobalTimer,
) -> Result<RemoteBuffer, drtio::Error> {
) -> Result<RemoteBuffer, &'static str> {
// gets data from satellites and returns consolidated data
let mut remote_data: Vec<u8> = Vec::new();
let mut remote_error = false;

215
src/runtime/src/comms.rs
View File

@ -3,22 +3,17 @@ use core::{cell::RefCell, fmt, slice, str};
use core_io::Error as IoError;
use cslice::CSlice;
use dyld::elf;
use futures::{future::FutureExt, select_biased};
#[cfg(has_drtio)]
use io::Cursor;
#[cfg(has_drtio)]
use ksupport::rpc;
use ksupport::{kernel, resolve_channel_name};
#[cfg(has_drtio)]
use libasync::delay;
use libasync::{smoltcp::{Sockets, TcpStream},
task};
use libboard_artiq::drtio_routing;
#[cfg(feature = "target_kasli_soc")]
use libboard_zynq::error_led::ErrorLED;
#[cfg(has_drtio)]
use libboard_zynq::time::Milliseconds;
use libboard_zynq::{self as zynq,
smoltcp::{self,
iface::{EthernetInterfaceBuilder, NeighborCache},
@ -32,8 +27,6 @@ use libcortex_a9::{mutex::Mutex,
use log::{error, info, warn};
use num_derive::{FromPrimitive, ToPrimitive};
use num_traits::{FromPrimitive, ToPrimitive};
#[cfg(has_drtio)]
use tar_no_std::TarArchiveRef;
#[cfg(has_drtio)]
use crate::pl;
@ -50,8 +43,6 @@ pub enum Error {
BufferExhausted,
#[cfg(has_drtio)]
SubkernelError(subkernel::Error),
#[cfg(has_drtio)]
DestinationDown,
}
pub type Result<T> = core::result::Result<T, Error>;
@ -66,8 +57,6 @@ impl fmt::Display for Error {
Error::BufferExhausted => write!(f, "buffer exhausted"),
#[cfg(has_drtio)]
Error::SubkernelError(error) => write!(f, "subkernel error: {:?}", error),
#[cfg(has_drtio)]
Error::DestinationDown => write!(f, "subkernel destination down"),
}
}
}
@ -401,11 +390,7 @@ async fn handle_run_kernel(
control.borrow_mut().tx.async_send(reply).await;
}
#[cfg(has_drtio)]
kernel::Message::SubkernelLoadRunRequest {
id,
destination: _,
run,
} => {
kernel::Message::SubkernelLoadRunRequest { id, run } => {
let succeeded = match subkernel::load(aux_mutex, routing_table, timer, id, run).await {
Ok(()) => true,
Err(e) => {
@ -422,28 +407,37 @@ async fn handle_run_kernel(
#[cfg(has_drtio)]
kernel::Message::SubkernelAwaitFinishRequest { id, timeout } => {
let res = subkernel::await_finish(aux_mutex, routing_table, timer, id, timeout).await;
let response = match res {
Ok(res) => {
let status = match res {
Ok(ref res) => {
if res.status == subkernel::FinishStatus::CommLost {
kernel::Message::SubkernelError(kernel::SubkernelStatus::CommLost)
} else if let Some(exception) = res.exception {
kernel::Message::SubkernelError(kernel::SubkernelStatus::Exception(exception))
kernel::SubkernelStatus::CommLost
} else if let Some(exception) = &res.exception {
error!("Exception in subkernel");
match stream {
None => (),
Some(stream) => {
write_chunk(stream, exception).await?;
}
}
// will not be called after exception is served
kernel::SubkernelStatus::OtherError
} else {
kernel::Message::SubkernelAwaitFinishReply
kernel::SubkernelStatus::NoError
}
}
Err(SubkernelError::Timeout) => kernel::Message::SubkernelError(kernel::SubkernelStatus::Timeout),
Err(SubkernelError::IncorrectState) => {
kernel::Message::SubkernelError(kernel::SubkernelStatus::IncorrectState)
}
Err(_) => kernel::Message::SubkernelError(kernel::SubkernelStatus::OtherError),
Err(SubkernelError::Timeout) => kernel::SubkernelStatus::Timeout,
Err(SubkernelError::IncorrectState) => kernel::SubkernelStatus::IncorrectState,
Err(_) => kernel::SubkernelStatus::OtherError,
};
control.borrow_mut().tx.async_send(response).await;
control
.borrow_mut()
.tx
.async_send(kernel::Message::SubkernelAwaitFinishReply { status: status })
.await;
}
#[cfg(has_drtio)]
kernel::Message::SubkernelMsgSend { id, destination, data } => {
let res =
subkernel::message_send(aux_mutex, routing_table, timer, id, destination.unwrap(), data).await;
kernel::Message::SubkernelMsgSend { id, data } => {
let res = subkernel::message_send(aux_mutex, routing_table, timer, id, data).await;
match res {
Ok(_) => (),
Err(e) => {
@ -458,24 +452,22 @@ async fn handle_run_kernel(
}
#[cfg(has_drtio)]
kernel::Message::SubkernelMsgRecvRequest { id, timeout, tags } => {
let message_received = subkernel::message_await(id as u32, timeout, timer).await;
let response = match message_received {
Ok(ref message) => kernel::Message::SubkernelMsgRecvReply { count: message.count },
Err(SubkernelError::Timeout) => kernel::Message::SubkernelError(kernel::SubkernelStatus::Timeout),
Err(SubkernelError::IncorrectState) => {
kernel::Message::SubkernelError(kernel::SubkernelStatus::IncorrectState)
}
Err(SubkernelError::CommLost) => kernel::Message::SubkernelError(kernel::SubkernelStatus::CommLost),
Err(SubkernelError::SubkernelException) => {
// just retrieve the exception
let status = subkernel::await_finish(aux_mutex, routing_table, timer, id as u32, timeout)
.await
.unwrap();
kernel::Message::SubkernelError(kernel::SubkernelStatus::Exception(status.exception.unwrap()))
}
Err(_) => kernel::Message::SubkernelError(kernel::SubkernelStatus::OtherError),
let message_received = subkernel::message_await(id, timeout, timer).await;
let (status, count) = match message_received {
Ok(ref message) => (kernel::SubkernelStatus::NoError, message.count),
Err(SubkernelError::Timeout) => (kernel::SubkernelStatus::Timeout, 0),
Err(SubkernelError::IncorrectState) => (kernel::SubkernelStatus::IncorrectState, 0),
Err(SubkernelError::CommLost) => (kernel::SubkernelStatus::CommLost, 0),
Err(_) => (kernel::SubkernelStatus::OtherError, 0),
};
control.borrow_mut().tx.async_send(response).await;
control
.borrow_mut()
.tx
.async_send(kernel::Message::SubkernelMsgRecvReply {
status: status,
count: count,
})
.await;
if let Ok(message) = message_received {
// receive code almost identical to RPC recv, except we are not reading from a stream
let mut reader = Cursor::new(message.data);
@ -507,7 +499,7 @@ async fn handle_run_kernel(
.async_send(kernel::Message::RpcRecvReply(Ok(0)))
.await;
i += 1;
if i < message.count {
if i < count {
current_tags = remaining_tags;
} else {
break;
@ -532,56 +524,6 @@ async fn handle_run_kernel(
Ok(())
}
async fn handle_flash_kernel(
buffer: &Vec<u8>,
control: &Rc<RefCell<kernel::Control>>,
_up_destinations: &Rc<RefCell<[bool; drtio_routing::DEST_COUNT]>>,
_aux_mutex: &Rc<Mutex<bool>>,
_routing_table: &drtio_routing::RoutingTable,
_timer: GlobalTimer,
) -> Result<()> {
if buffer[0] == elf::ELFMAG0 && buffer[1] == elf::ELFMAG1 && buffer[2] == elf::ELFMAG2 && buffer[3] == elf::ELFMAG3
{
// assume ELF file, proceed as before
load_kernel(buffer, control, None).await
} else {
#[cfg(has_drtio)]
{
let archive = TarArchiveRef::new(buffer.as_ref());
let entries = archive.entries();
let mut main_lib: Vec<u8> = Vec::new();
for entry in entries {
if entry.filename().as_str() == "main.elf" {
main_lib = entry.data().to_vec();
} else {
// subkernel filename must be in format:
// "<subkernel id> <destination>.elf"
let filename = entry.filename();
let mut iter = filename.as_str().split_whitespace();
let sid: u32 = iter.next().unwrap().parse().unwrap();
let dest: u8 = iter.next().unwrap().strip_suffix(".elf").unwrap().parse().unwrap();
let up = _up_destinations.borrow()[dest as usize];
if up {
let subkernel_lib = entry.data().to_vec();
subkernel::add_subkernel(sid, dest, subkernel_lib).await;
match subkernel::upload(_aux_mutex, _routing_table, _timer, sid).await {
Ok(_) => (),
Err(_) => return Err(Error::UnexpectedPattern),
}
} else {
return Err(Error::DestinationDown);
}
}
}
load_kernel(&main_lib, control, None).await
}
#[cfg(not(has_drtio))]
{
panic!("multi-kernel libraries are not supported in standalone systems");
}
}
}
async fn load_kernel(
buffer: &Vec<u8>,
control: &Rc<RefCell<kernel::Control>>,
@ -737,6 +679,7 @@ pub fn main(timer: GlobalTimer, cfg: Config) {
Sockets::init(32);
// before, mutex was on io, but now that io isn't used...?
let aux_mutex: Rc<Mutex<bool>> = Rc::new(Mutex::new(false));
#[cfg(has_drtio)]
let drtio_routing_table = Rc::new(RefCell::new(drtio_routing::config_routing_table(
@ -749,25 +692,19 @@ pub fn main(timer: GlobalTimer, cfg: Config) {
#[cfg(has_drtio_routing)]
drtio_routing::interconnect_disable_all();
rtio_mgt::startup(&aux_mutex, &drtio_routing_table, &up_destinations, &cfg, timer);
rtio_mgt::startup(&aux_mutex, &drtio_routing_table, &up_destinations, timer);
ksupport::setup_device_map(&cfg);
analyzer::start(&aux_mutex, &drtio_routing_table, &up_destinations, timer);
moninj::start(timer, &aux_mutex, &drtio_routing_table);
let control: Rc<RefCell<kernel::Control>> = Rc::new(RefCell::new(kernel::Control::start()));
let idle_kernel = Rc::new(cfg.read("idle_kernel").ok());
if let Ok(buffer) = cfg.read("startup_kernel") {
info!("Loading startup kernel...");
let routing_table = drtio_routing_table.borrow();
if let Ok(()) = task::block_on(handle_flash_kernel(
&buffer,
&control,
&up_destinations,
&aux_mutex,
&routing_table,
timer,
)) {
if let Ok(()) = task::block_on(load_kernel(&buffer, &control, None)) {
info!("Starting startup kernel...");
let routing_table = drtio_routing_table.borrow();
let _ = task::block_on(handle_run_kernel(
None,
&control,
@ -782,26 +719,13 @@ pub fn main(timer: GlobalTimer, cfg: Config) {
}
}
let cfg = Rc::new(cfg);
let restart_idle = Rc::new(Semaphore::new(1, 1));
mgmt::start(cfg.clone(), restart_idle.clone());
mgmt::start(cfg);
task::spawn(async move {
let connection = Rc::new(Semaphore::new(1, 1));
let terminate = Rc::new(Semaphore::new(0, 1));
let can_restart_idle = Rc::new(Semaphore::new(1, 1));
let restart_idle = restart_idle.clone();
loop {
let control = control.clone();
let mut maybe_stream = select_biased! {
s = (async {
TcpStream::accept(1381, 0x10_000, 0x10_000).await.unwrap()
}).fuse() => Some(s),
_ = (async {
restart_idle.async_wait().await;
can_restart_idle.async_wait().await;
}).fuse() => None
};
let mut stream = TcpStream::accept(1381, 0x10_000, 0x10_000).await.unwrap();
if connection.try_wait().is_none() {
// there is an existing connection
@ -809,58 +733,38 @@ pub fn main(timer: GlobalTimer, cfg: Config) {
connection.async_wait().await;
}
let maybe_idle_kernel = cfg.read("idle_kernel").ok();
if maybe_idle_kernel.is_none() && maybe_stream.is_none() {
control.borrow_mut().restart(); // terminate idle kernel if running
}
let control = control.clone();
let idle_kernel = idle_kernel.clone();
let connection = connection.clone();
let terminate = terminate.clone();
let can_restart_idle = can_restart_idle.clone();
let up_destinations = up_destinations.clone();
let aux_mutex = aux_mutex.clone();
let routing_table = drtio_routing_table.clone();
// we make sure the value of terminate is 0 before we start
let _ = terminate.try_wait();
let _ = can_restart_idle.try_wait();
task::spawn(async move {
let routing_table = routing_table.borrow();
select_biased! {
_ = (async {
if let Some(stream) = &mut maybe_stream {
let _ = handle_connection(stream, control.clone(), &up_destinations, &aux_mutex, &routing_table, timer)
let _ = handle_connection(&mut stream, control.clone(), &up_destinations, &aux_mutex, &routing_table, timer)
.await
.map_err(|e| warn!("connection terminated: {}", e));
}
can_restart_idle.signal();
match maybe_idle_kernel {
Some(buffer) => {
loop {
info!("loading idle kernel");
match handle_flash_kernel(&buffer, &control, &up_destinations, &aux_mutex, &routing_table, timer).await {
Ok(_) => {
info!("running idle kernel");
match handle_run_kernel(None, &control, &up_destinations, &aux_mutex, &routing_table, timer).await {
Ok(_) => info!("idle kernel finished"),
Err(_) => warn!("idle kernel running error")
}
},
Err(_) => warn!("idle kernel loading error")
}
}
},
None => info!("no idle kernel found")
if let Some(buffer) = &*idle_kernel {
info!("Loading idle kernel");
let _ = load_kernel(&buffer, &control, None)
.await.map_err(|_| warn!("error loading idle kernel"));
info!("Running idle kernel");
let _ = handle_run_kernel(None, &control, &up_destinations, &aux_mutex, &routing_table, timer)
.await.map_err(|_| warn!("error running idle kernel"));
info!("Idle kernel terminated");
}
}).fuse() => (),
_ = terminate.async_wait().fuse() => ()
}
connection.signal();
if let Some(stream) = maybe_stream {
let _ = stream.flush().await;
let _ = stream.abort().await;
}
});
}
});
@ -909,8 +813,7 @@ pub fn soft_panic_main(timer: GlobalTimer, cfg: Config) -> ! {
Sockets::init(32);
let dummy = Rc::new(Semaphore::new(0, 1));
mgmt::start(Rc::new(cfg), dummy);
mgmt::start(cfg);
// getting eth settings disables the LED as it resets GPIO
// need to re-enable it here

43
src/runtime/src/main.rs
View File

@ -8,7 +8,7 @@
#[macro_use]
extern crate alloc;
#[cfg(all(feature = "target_kasli_soc", has_virtual_leds))]
#[cfg(feature = "target_kasli_soc")]
use core::cell::RefCell;
use ksupport;
@ -21,7 +21,7 @@ use libboard_artiq::{identifier_read, logger, pl};
use libboard_zynq::{gic, mpcore, timer::GlobalTimer};
use libconfig::Config;
use libcortex_a9::l2c::enable_l2_cache;
use libsupport_zynq::{exception_vectors, ram};
use libsupport_zynq::ram;
use log::{info, warn};
mod analyzer;
@ -38,12 +38,7 @@ mod rtio_mgt;
#[cfg(has_drtio)]
mod subkernel;
// linker symbols
extern "C" {
static __exceptions_start: u32;
}
#[cfg(all(feature = "target_kasli_soc", has_virtual_leds))]
#[cfg(feature = "target_kasli_soc")]
async fn io_expanders_service(
i2c_bus: RefCell<&mut libboard_zynq::i2c::I2c>,
io_expander0: RefCell<io_expander::IoExpander>,
@ -51,8 +46,6 @@ async fn io_expanders_service(
) {
loop {
task::r#yield().await;
#[cfg(has_si5324)]
rtio_clocking::monitor_loss_lock(&mut i2c_bus.borrow_mut())
io_expander0
.borrow_mut()
.service(&mut i2c_bus.borrow_mut())
@ -84,9 +77,6 @@ static mut LOG_BUFFER: [u8; 1 << 17] = [0; 1 << 17];
#[no_mangle]
pub fn main_core0() {
unsafe {
exception_vectors::set_vector_table(&__exceptions_start as *const u32 as u32);
}
enable_l2_cache(0x8);
let mut timer = GlobalTimer::start();
@ -104,21 +94,20 @@ pub fn main_core0() {
ksupport::i2c::init();
#[cfg(feature = "target_kasli_soc")]
{
let i2c_bus = unsafe { (ksupport::i2c::I2C_BUS).as_mut().unwrap() };
let mut io_expander0 = io_expander::IoExpander::new(i2c_bus, 0).unwrap();
let mut io_expander1 = io_expander::IoExpander::new(i2c_bus, 1).unwrap();
#[cfg(feature = "target_kasli_soc")]
let (mut io_expander0, mut io_expander1);
#[cfg(feature = "target_kasli_soc")]
{
io_expander0 = io_expander::IoExpander::new(i2c_bus, 0).unwrap();
io_expander1 = io_expander::IoExpander::new(i2c_bus, 1).unwrap();
io_expander0
.init(i2c_bus)
.expect("I2C I/O expander #0 initialization failed");
io_expander1
.init(i2c_bus)
.expect("I2C I/O expander #1 initialization failed");
// Drive CLK_SEL to true
#[cfg(has_si549)]
io_expander0.set(1, 7, true);
// Drive TX_DISABLE to false on SFP0..3
io_expander0.set(0, 1, false);
io_expander1.set(0, 1, false);
@ -126,12 +115,6 @@ pub fn main_core0() {
io_expander1.set(1, 1, false);
io_expander0.service(i2c_bus).unwrap();
io_expander1.service(i2c_bus).unwrap();
#[cfg(has_virtual_leds)]
task::spawn(io_expanders_service(
RefCell::new(i2c_bus),
RefCell::new(io_expander0),
RefCell::new(io_expander1),
));
}
let cfg = match Config::new() {
@ -152,5 +135,11 @@ pub fn main_core0() {
task::spawn(ksupport::report_async_rtio_errors());
#[cfg(feature = "target_kasli_soc")]
task::spawn(io_expanders_service(
RefCell::new(i2c_bus),
RefCell::new(io_expander0),
RefCell::new(io_expander1),
));
comms::main(timer, cfg);
}

15
src/runtime/src/mgmt.rs
View File

@ -6,7 +6,6 @@ use libasync::{smoltcp::TcpStream, task};
use libboard_artiq::logger::{BufferLogger, LogBufferRef};
use libboard_zynq::{slcr, smoltcp};
use libconfig::Config;
use libcortex_a9::semaphore::Semaphore;
use log::{self, debug, error, info, warn, LevelFilter};
use num_derive::FromPrimitive;
use num_traits::FromPrimitive;
@ -112,7 +111,7 @@ async fn read_key(stream: &mut TcpStream) -> Result<String> {
Ok(String::from_utf8(buffer).unwrap())
}
async fn handle_connection(stream: &mut TcpStream, pull_id: Rc<RefCell<u32>>, cfg: Rc<Config>, restart_idle: Rc<Semaphore>) -> Result<()> {
async fn handle_connection(stream: &mut TcpStream, pull_id: Rc<RefCell<u32>>, cfg: Rc<Config>) -> Result<()> {
if !expect(&stream, b"ARTIQ management\n").await? {
return Err(Error::UnexpectedPattern);
}
@ -201,9 +200,6 @@ async fn handle_connection(stream: &mut TcpStream, pull_id: Rc<RefCell<u32>>, cf
let value = cfg.write(&key, buffer);
if value.is_ok() {
debug!("write success");
if key == "idle_kernel" {
restart_idle.signal();
}
write_i8(stream, Reply::Success as i8).await?;
} else {
// this is an error because we do not expect write to fail
@ -217,9 +213,6 @@ async fn handle_connection(stream: &mut TcpStream, pull_id: Rc<RefCell<u32>>, cf
let value = cfg.remove(&key);
if value.is_ok() {
debug!("erase success");
if key == "idle_kernel" {
restart_idle.signal();
}
write_i8(stream, Reply::Success as i8).await?;
} else {
warn!("erase failed");
@ -236,17 +229,17 @@ async fn handle_connection(stream: &mut TcpStream, pull_id: Rc<RefCell<u32>>, cf
}
}
pub fn start(cfg: Rc<Config>, restart_idle: Rc<Semaphore>) {
pub fn start(cfg: Config) {
task::spawn(async move {
let pull_id = Rc::new(RefCell::new(0u32));
let cfg = Rc::new(cfg);
loop {
let mut stream = TcpStream::accept(1380, 2048, 2048).await.unwrap();
let pull_id = pull_id.clone();
let cfg = cfg.clone();
let restart_idle = restart_idle.clone();
task::spawn(async move {
info!("received connection");
let _ = handle_connection(&mut stream, pull_id, cfg, restart_idle)
let _ = handle_connection(&mut stream, pull_id, cfg)
.await
.map_err(|e| warn!("connection terminated: {:?}", e));
let _ = stream.flush().await;

19
src/runtime/src/moninj.rs
View File

@ -58,11 +58,10 @@ mod remote_moninj {
use log::error;
use super::*;
use crate::rtio_mgt::{drtio, drtio::Error as DrtioError};
use crate::rtio_mgt::drtio;
pub async fn read_probe(
aux_mutex: &Rc<Mutex<bool>>,
routing_table: &drtio_routing::RoutingTable,
timer: GlobalTimer,
linkno: u8,
destination: u8,
@ -72,7 +71,6 @@ mod remote_moninj {
let reply = drtio::aux_transact(
aux_mutex,
linkno,
routing_table,
&drtioaux_async::Packet::MonitorRequest {
destination: destination,
channel: channel as _,
@ -84,8 +82,8 @@ mod remote_moninj {
match reply {
Ok(drtioaux_async::Packet::MonitorReply { value }) => return value as i64,
Ok(packet) => error!("received unexpected aux packet: {:?}", packet),
Err(DrtioError::LinkDown) => {
warn!("link is down");
Err("link went down") => {
debug!("link is down");
}
Err(e) => error!("aux packet error ({})", e),
}
@ -94,7 +92,6 @@ mod remote_moninj {
pub async fn inject(
aux_mutex: &Rc<Mutex<bool>>,
_routing_table: &drtio_routing::RoutingTable,
_timer: GlobalTimer,
linkno: u8,
destination: u8,
@ -102,7 +99,7 @@ mod remote_moninj {
overrd: i8,
value: i8,
) {
let _lock = aux_mutex.async_lock().await;
let _lock = aux_mutex.lock();
drtioaux_async::send(
linkno,
&drtioaux_async::Packet::InjectionRequest {
@ -118,7 +115,6 @@ mod remote_moninj {
pub async fn read_injection_status(
aux_mutex: &Rc<Mutex<bool>>,
routing_table: &drtio_routing::RoutingTable,
timer: GlobalTimer,
linkno: u8,
destination: u8,
@ -128,7 +124,6 @@ mod remote_moninj {
let reply = drtio::aux_transact(
aux_mutex,
linkno,
routing_table,
&drtioaux_async::Packet::InjectionStatusRequest {
destination: destination,
channel: channel as _,
@ -140,8 +135,8 @@ mod remote_moninj {
match reply {
Ok(drtioaux_async::Packet::InjectionStatusReply { value }) => return value as i8,
Ok(packet) => error!("received unexpected aux packet: {:?}", packet),
Err(DrtioError::LinkDown) => {
warn!("link is down");
Err("link went down") => {
debug!("link is down");
}
Err(e) => error!("aux packet error ({})", e),
}
@ -188,7 +183,7 @@ macro_rules! dispatch {
local_moninj::$func(channel.into(), $($param, )*)
} else {
let linkno = hop - 1 as u8;
remote_moninj::$func($aux_mutex, $routing_table, $timer, linkno, destination, channel, $($param, )*).await
remote_moninj::$func($aux_mutex, $timer, linkno, destination, channel, $($param, )*).await
}
}}
}

184
src/runtime/src/rtio_clocking.rs
View File

@ -4,8 +4,6 @@ use ksupport::i2c;
use libboard_artiq::pl;
#[cfg(has_si5324)]
use libboard_artiq::si5324;
#[cfg(has_si549)]
use libboard_artiq::si549;
#[cfg(has_si5324)]
use libboard_zynq::i2c::I2c;
use libboard_zynq::timer::GlobalTimer;
@ -26,20 +24,6 @@ pub enum RtioClock {
Ext0_Synth0_125to125,
}
#[cfg(has_si5324)]
pub fn monitor_loss_lock(i2c_bus: &mut libboard_zynq::i2c::I2c) {
match si5324::locked(i2c_bus) {
Ok(val) => {
if !val {
warn!("si5324 detected loss of lock")
}
}
Err(s) => {
panic!(s)
}
}
}
#[allow(unreachable_code)]
fn get_rtio_clock_cfg(cfg: &Config) -> RtioClock {
let mut res = RtioClock::Default;
@ -273,153 +257,7 @@ fn setup_si5324(i2c: &mut I2c, timer: &mut GlobalTimer, clk: RtioClock) {
)
}
};
si5324::setup(i2c, &si5324_settings, si5324_ref_input, timer)
.expect("cannot initialize Si5324");
}
#[cfg(all(has_si549, has_wrpll))]
fn wrpll_setup(timer: &mut GlobalTimer, clk: RtioClock, si549_settings: &si549::FrequencySetting) {
// register values are directly copied from preconfigured mmcm
let (mmcm_setting, mmcm_bypass) = match clk {
RtioClock::Ext0_Synth0_10to125 => (
si549::wrpll_refclk::MmcmSetting {
// CLKFBOUT_MULT = 62.5, DIVCLK_DIVIDE = 1 , CLKOUT0_DIVIDE = 5
clkout0_reg1: 0x1083,
clkout0_reg2: 0x0080,
clkfbout_reg1: 0x179e,
clkfbout_reg2: 0x4c00,
div_reg: 0x1041,
lock_reg1: 0x00fa,
lock_reg2: 0x7c01,
lock_reg3: 0xffe9,
power_reg: 0x9900,
filt_reg1: 0x1008,
filt_reg2: 0x8800,
},
false,
),
RtioClock::Ext0_Synth0_80to125 => (
si549::wrpll_refclk::MmcmSetting {
// CLKFBOUT_MULT = 15.625, DIVCLK_DIVIDE = 1 , CLKOUT0_DIVIDE = 10
clkout0_reg1: 0x1145,
clkout0_reg2: 0x0000,
clkfbout_reg1: 0x11c7,
clkfbout_reg2: 0x5880,
div_reg: 0x1041,
lock_reg1: 0x028a,
lock_reg2: 0x7c01,
lock_reg3: 0xffe9,
power_reg: 0x9900,
filt_reg1: 0x9908,
filt_reg2: 0x8100,
},
false,
),
RtioClock::Ext0_Synth0_100to125 => (
si549::wrpll_refclk::MmcmSetting {
// CLKFBOUT_MULT = 12.5, DIVCLK_DIVIDE = 1 , CLKOUT0_DIVIDE = 10
clkout0_reg1: 0x1145,
clkout0_reg2: 0x0000,
clkfbout_reg1: 0x1145,
clkfbout_reg2: 0x4c00,
div_reg: 0x1041,
lock_reg1: 0x0339,
lock_reg2: 0x7c01,
lock_reg3: 0xffe9,
power_reg: 0x9900,
filt_reg1: 0x9108,
filt_reg2: 0x0100,
},
false,
),
RtioClock::Ext0_Synth0_125to125 => (
si549::wrpll_refclk::MmcmSetting {
// CLKFBOUT_MULT = 10, DIVCLK_DIVIDE = 1 , CLKOUT0_DIVIDE = 10
clkout0_reg1: 0x1145,
clkout0_reg2: 0x0000,
clkfbout_reg1: 0x1145,
clkfbout_reg2: 0x0000,
div_reg: 0x1041,
lock_reg1: 0x03e8,
lock_reg2: 0x7001,
lock_reg3: 0xf3e9,
power_reg: 0x0100,
filt_reg1: 0x9908,
filt_reg2: 0x1100,
},
true,
),
_ => unreachable!(),
};
si549::helper_setup(timer, &si549_settings).expect("cannot initialize helper Si549");
si549::wrpll_refclk::setup(timer, mmcm_setting, mmcm_bypass)
.expect("cannot initialize ref clk for wrpll");
si549::wrpll::select_recovered_clock(true, timer);
}
#[cfg(has_si549)]
fn get_si549_setting(clk: RtioClock) -> si549::FrequencySetting {
match clk {
RtioClock::Ext0_Synth0_10to125 => {
info!("using 10MHz reference to make 125MHz RTIO clock with WRPLL");
}
RtioClock::Ext0_Synth0_80to125 => {
info!("using 80MHz reference to make 125MHz RTIO clock with WRPLL");
}
RtioClock::Ext0_Synth0_100to125 => {
info!("using 100MHz reference to make 125MHz RTIO clock with WRPLL");
}
RtioClock::Ext0_Synth0_125to125 => {
info!("using 125MHz reference to make 125MHz RTIO clock with WRPLL");
}
RtioClock::Int_100 => {
info!("using internal 100MHz RTIO clock");
}
RtioClock::Int_125 => {
info!("using internal 125MHz RTIO clock");
}
_ => {
warn!(
"rtio_clock setting '{:?}' is unsupported. Falling back to default internal 125MHz RTIO clock.",
clk
);
}
};
match clk {
RtioClock::Int_100 => {
si549::FrequencySetting {
main: si549::DividerConfig {
hsdiv: 0x06C,
lsdiv: 0,
fbdiv: 0x046C5F49797,
},
helper: si549::DividerConfig {
// 100MHz*32767/32768
hsdiv: 0x06C,
lsdiv: 0,
fbdiv: 0x046C5670BBD,
},
}
}
_ => {
// Everything else use 125MHz
si549::FrequencySetting {
main: si549::DividerConfig {
hsdiv: 0x058,
lsdiv: 0,
fbdiv: 0x04815791F25,
},
helper: si549::DividerConfig {
// 125MHz*32767/32768
hsdiv: 0x058,
lsdiv: 0,
fbdiv: 0x04814E8F442,
},
}
}
}
si5324::setup(i2c, &si5324_settings, si5324_ref_input, timer).expect("cannot initialize Si5324");
}
pub fn init(timer: &mut GlobalTimer, cfg: &Config) {
@ -436,29 +274,9 @@ pub fn init(timer: &mut GlobalTimer, cfg: &Config) {
}
}
#[cfg(has_si549)]
let si549_settings = get_si549_setting(clk);
#[cfg(has_si549)]
si549::main_setup(timer, &si549_settings).expect("cannot initialize main Si549");
#[cfg(has_drtio)]
init_drtio(timer);
#[cfg(not(has_drtio))]
init_rtio(timer);
#[cfg(all(has_si549, has_wrpll))]
{
// SYS CLK switch will reset CSRs that are used by WRPLL
match clk {
RtioClock::Ext0_Synth0_10to125
| RtioClock::Ext0_Synth0_80to125
| RtioClock::Ext0_Synth0_100to125
| RtioClock::Ext0_Synth0_125to125 => {
wrpll_setup(timer, clk, &si549_settings);
}
_ => {}
}
}
}

4
src/runtime/src/rtio_dma.rs
View File

@ -142,9 +142,9 @@ pub mod remote_dma {
}
}
pub async fn playback_done(&mut self, source: u8, error: u8, channel: u32, timestamp: u64) {
pub async fn playback_done(&mut self, destination: u8, error: u8, channel: u32, timestamp: u64) {
let mut traces_locked = self.traces.async_lock().await;
let mut trace = traces_locked.get_mut(&source).unwrap();
let mut trace = traces_locked.get_mut(&destination).unwrap();
trace.state = RemoteState::PlaybackEnded {
error: error,
channel: channel,

413
src/runtime/src/rtio_mgt.rs
View File

@ -1,69 +1,29 @@
use alloc::rc::Rc;
use core::cell::RefCell;
use libboard_artiq::{drtio_routing, drtio_routing::RoutingTable, pl::csr};
use libboard_artiq::{drtio_routing, pl::csr};
use libboard_zynq::timer::GlobalTimer;
use libconfig::Config;
use libcortex_a9::mutex::Mutex;
use log::{info, warn};
#[cfg(has_drtio)]
pub mod drtio {
use alloc::vec::Vec;
use core::fmt;
use embedded_hal::blocking::delay::DelayMs;
use ksupport::{resolve_channel_name, ASYNC_ERROR_BUSY, ASYNC_ERROR_COLLISION, ASYNC_ERROR_SEQUENCE_ERROR,
SEEN_ASYNC_ERRORS};
use libasync::{delay, task};
use libboard_artiq::{drtioaux::Error as DrtioError,
drtioaux_async,
drtioaux_async::Packet,
drtioaux_proto::{PayloadStatus, MASTER_PAYLOAD_MAX_SIZE}};
use libboard_artiq::{drtioaux::Error, drtioaux_async, drtioaux_async::Packet,
drtioaux_proto::MASTER_PAYLOAD_MAX_SIZE};
use libboard_zynq::time::Milliseconds;
use log::{error, info, warn};
use super::*;
use crate::{analyzer::remote_analyzer::RemoteBuffer, rtio_dma::remote_dma, subkernel};
#[derive(Debug, PartialEq, Eq, Clone, Copy)]
pub enum Error {
Timeout,
AuxError,
LinkDown,
UnexpectedReply,
DmaAddTraceFail(u8),
DmaEraseFail(u8),
DmaPlaybackFail(u8),
SubkernelAddFail(u8),
SubkernelRunFail(u8),
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self {
Error::Timeout => write!(f, "timed out"),
Error::AuxError => write!(f, "aux packet error"),
Error::LinkDown => write!(f, "link down"),
Error::UnexpectedReply => write!(f, "unexpected reply"),
Error::DmaAddTraceFail(dest) => write!(f, "error adding DMA trace on satellite #{}", dest),
Error::DmaEraseFail(dest) => write!(f, "error erasing DMA trace on satellite #{}", dest),
Error::DmaPlaybackFail(dest) => write!(f, "error playing back DMA trace on satellite #{}", dest),
Error::SubkernelAddFail(dest) => write!(f, "error adding subkernel on satellite #{}", dest),
Error::SubkernelRunFail(dest) => write!(f, "error on subkernel run request on satellite #{}", dest),
}
}
}
impl From<DrtioError> for Error {
fn from(_error: DrtioError) -> Self {
Error::AuxError
}
}
pub fn startup(
aux_mutex: &Rc<Mutex<bool>>,
routing_table: &Rc<RefCell<RoutingTable>>,
routing_table: &Rc<RefCell<drtio_routing::RoutingTable>>,
up_destinations: &Rc<RefCell<[bool; drtio_routing::DEST_COUNT]>>,
timer: GlobalTimer,
) {
@ -81,121 +41,78 @@ pub mod drtio {
unsafe { (csr::DRTIO[linkno].rx_up_read)() == 1 }
}
async fn process_async_packets(linkno: u8, routing_table: &RoutingTable, packet: Packet) -> Option<Packet> {
async fn process_async_packets(aux_mutex: &Mutex<bool>, linkno: u8, packet: Packet) -> Option<Packet> {
// returns None if an async packet has been consumed
match packet {
Packet::DmaPlaybackStatus {
id,
source,
destination: 0,
destination,
error,
channel,
timestamp,
} => {
remote_dma::playback_done(id, source, error, channel, timestamp).await;
remote_dma::playback_done(id, destination, error, channel, timestamp).await;
None
}
Packet::SubkernelFinished {
id,
destination: 0,
with_exception,
exception_src,
} => {
subkernel::subkernel_finished(id, with_exception, exception_src).await;
Packet::SubkernelFinished { id, with_exception } => {
subkernel::subkernel_finished(id, with_exception).await;
None
}
Packet::SubkernelMessage {
id,
source,
destination: 0,
status,
destination: from,
last,
length,
data,
} => {
subkernel::message_handle_incoming(id, status, length as usize, &data).await;
subkernel::message_handle_incoming(id, last, length as usize, &data).await;
// acknowledge receiving part of the message
drtioaux_async::send(linkno, &Packet::SubkernelMessageAck { destination: source })
let _lock = aux_mutex.async_lock().await;
drtioaux_async::send(linkno, &Packet::SubkernelMessageAck { destination: from })
.await
.unwrap();
None
}
// routable packets
Packet::DmaAddTraceRequest { destination, .. }
| Packet::DmaAddTraceReply { destination, .. }
| Packet::DmaRemoveTraceRequest { destination, .. }
| Packet::DmaRemoveTraceReply { destination, .. }
| Packet::DmaPlaybackRequest { destination, .. }
| Packet::DmaPlaybackReply { destination, .. }
| Packet::SubkernelLoadRunRequest { destination, .. }
| Packet::SubkernelLoadRunReply { destination, .. }
| Packet::SubkernelMessage { destination, .. }
| Packet::SubkernelMessageAck { destination, .. }
| Packet::SubkernelException { destination, .. }
| Packet::SubkernelExceptionRequest { destination, .. }
| Packet::DmaPlaybackStatus { destination, .. }
| Packet::SubkernelFinished { destination, .. } => {
if destination == 0 {
Some(packet)
} else {
let dest_link = routing_table.0[destination as usize][0] - 1;
if dest_link == linkno {
warn!(
"[LINK#{}] Re-routed packet would return to the same link, dropping: {:?}",
linkno, packet
);
} else {
drtioaux_async::send(dest_link, &packet).await.unwrap();
}
None
}
}
other => Some(other),
}
}
async fn recv_aux_timeout(linkno: u8, timeout: u64, timer: GlobalTimer) -> Result<Packet, Error> {
async fn recv_aux_timeout(linkno: u8, timeout: u64, timer: GlobalTimer) -> Result<Packet, &'static str> {
if !link_rx_up(linkno).await {
return Err(Error::LinkDown);
return Err("link went down");
}
match drtioaux_async::recv_timeout(linkno, Some(timeout), timer).await {
Ok(packet) => return Ok(packet),
Err(DrtioError::TimedOut) => return Err(Error::Timeout),
Err(_) => return Err(Error::AuxError),
Err(Error::TimedOut) => return Err("timed out"),
Err(_) => return Err("aux packet error"),
}
}
pub async fn aux_transact(
aux_mutex: &Mutex<bool>,
linkno: u8,
routing_table: &RoutingTable,
request: &Packet,
timer: GlobalTimer,
) -> Result<Packet, Error> {
) -> Result<Packet, &'static str> {
if !link_rx_up(linkno).await {
return Err(Error::LinkDown);
return Err("link went down");
}
let _lock = aux_mutex.async_lock().await;
drtioaux_async::send(linkno, request).await.unwrap();
loop {
let packet = recv_aux_timeout(linkno, 200, timer).await?;
if let Some(packet) = process_async_packets(linkno, routing_table, packet).await {
return Ok(packet);
}
}
Ok(recv_aux_timeout(linkno, 200, timer).await?)
}
async fn drain_buffer(linkno: u8, draining_time: Milliseconds, timer: GlobalTimer) {
let max_time = timer.get_time() + draining_time;
while timer.get_time() < max_time {
loop {
if timer.get_time() > max_time {
return;
} //could this be cut short?
let _ = drtioaux_async::recv(linkno).await;
}
}
async fn ping_remote(
aux_mutex: &Rc<Mutex<bool>>,
linkno: u8,
routing_table: &RoutingTable,
timer: GlobalTimer,
) -> u32 {
async fn ping_remote(aux_mutex: &Rc<Mutex<bool>>, linkno: u8, timer: GlobalTimer) -> u32 {
let mut count = 0;
loop {
if !link_rx_up(linkno).await {
@ -205,7 +122,7 @@ pub mod drtio {
if count > 100 {
return 0;
}
let reply = aux_transact(aux_mutex, linkno, routing_table, &Packet::EchoRequest, timer).await;
let reply = aux_transact(aux_mutex, linkno, &Packet::EchoRequest, timer).await;
match reply {
Ok(Packet::EchoReply) => {
// make sure receive buffer is drained
@ -218,7 +135,7 @@ pub mod drtio {
}
}
async fn sync_tsc(aux_mutex: &Rc<Mutex<bool>>, linkno: u8, timer: GlobalTimer) -> Result<(), Error> {
async fn sync_tsc(aux_mutex: &Rc<Mutex<bool>>, linkno: u8, timer: GlobalTimer) -> Result<(), &'static str> {
let _lock = aux_mutex.async_lock().await;
unsafe {
@ -229,23 +146,22 @@ pub mod drtio {
// by the satellite, in response to a TSC set on the RT link.
let reply = recv_aux_timeout(linkno, 10000, timer).await?;
if reply == Packet::TSCAck {
Ok(())
return Ok(());
} else {
Err(Error::UnexpectedReply)
return Err("unexpected reply");
}
}
async fn load_routing_table(
aux_mutex: &Rc<Mutex<bool>>,
linkno: u8,
routing_table: &RoutingTable,
routing_table: &drtio_routing::RoutingTable,
timer: GlobalTimer,
) -> Result<(), Error> {
) -> Result<(), &'static str> {
for i in 0..drtio_routing::DEST_COUNT {
let reply = aux_transact(
aux_mutex,
linkno,
routing_table,
&Packet::RoutingSetPath {
destination: i as u8,
hops: routing_table.0[i],
@ -254,7 +170,7 @@ pub mod drtio {
)
.await?;
if reply != Packet::RoutingAck {
return Err(Error::UnexpectedReply);
return Err("unexpected reply");
}
}
Ok(())
@ -264,21 +180,13 @@ pub mod drtio {
aux_mutex: &Rc<Mutex<bool>>,
linkno: u8,
rank: u8,
routing_table: &RoutingTable,
timer: GlobalTimer,
) -> Result<(), Error> {
let reply = aux_transact(
aux_mutex,
linkno,
routing_table,
&Packet::RoutingSetRank { rank: rank },
timer,
)
.await?;
match reply {
Packet::RoutingAck => Ok(()),
_ => Err(Error::UnexpectedReply),
) -> Result<(), &'static str> {
let reply = aux_transact(aux_mutex, linkno, &Packet::RoutingSetRank { rank: rank }, timer).await?;
if reply != Packet::RoutingAck {
return Err("unexpected reply");
}
Ok(())
}
async fn init_buffer_space(destination: u8, linkno: u8) {
@ -297,11 +205,11 @@ pub mod drtio {
}
}
async fn process_unsolicited_aux(aux_mutex: &Mutex<bool>, linkno: u8, routing_table: &RoutingTable) {
async fn process_unsolicited_aux(aux_mutex: &Rc<Mutex<bool>>, linkno: u8) {
let _lock = aux_mutex.async_lock().await;
match drtioaux_async::recv(linkno).await {
Ok(Some(packet)) => {
if let Some(packet) = process_async_packets(linkno, routing_table, packet).await {
if let Some(packet) = process_async_packets(aux_mutex, linkno, packet).await {
warn!("[LINK#{}] unsolicited aux packet: {:?}", linkno, packet);
}
}
@ -332,7 +240,7 @@ pub mod drtio {
}
async fn destination_set_up(
routing_table: &RoutingTable,
routing_table: &drtio_routing::RoutingTable,
up_destinations: &Rc<RefCell<[bool; drtio_routing::DEST_COUNT]>>,
destination: u8,
up: bool,
@ -355,7 +263,7 @@ pub mod drtio {
async fn destination_survey(
aux_mutex: &Rc<Mutex<bool>>,
routing_table: &RoutingTable,
routing_table: &drtio_routing::RoutingTable,
up_links: &[bool],
up_destinations: &Rc<RefCell<[bool; drtio_routing::DEST_COUNT]>>,
timer: GlobalTimer,
@ -373,10 +281,10 @@ pub mod drtio {
let linkno = hop - 1;
if destination_up(up_destinations, destination).await {
if up_links[linkno as usize] {
loop {
let reply = aux_transact(
aux_mutex,
linkno,
routing_table,
&Packet::DestinationStatusRequest {
destination: destination,
},
@ -386,7 +294,13 @@ pub mod drtio {
match reply {
Ok(Packet::DestinationDownReply) => {
destination_set_up(routing_table, up_destinations, destination, false).await;
remote_dma::destination_changed(aux_mutex, routing_table, timer, destination, false)
remote_dma::destination_changed(
aux_mutex,
routing_table,
timer,
destination,
false,
)
.await;
subkernel::destination_changed(aux_mutex, routing_table, timer, destination, false)
.await;
@ -419,9 +333,16 @@ pub mod drtio {
);
unsafe { SEEN_ASYNC_ERRORS |= ASYNC_ERROR_BUSY };
}
Ok(packet) => error!("[DEST#{}] received unexpected aux packet: {:?}", destination, packet),
Ok(packet) => match process_async_packets(aux_mutex, linkno, packet).await {
Some(packet) => {
error!("[DEST#{}] received unexpected aux packet: {:?}", destination, packet)
}
None => continue,
},
Err(e) => error!("[DEST#{}] communication failed ({})", destination, e),
}
break;
}
} else {
destination_set_up(routing_table, up_destinations, destination, false).await;
remote_dma::destination_changed(aux_mutex, routing_table, timer, destination, false).await;
@ -432,7 +353,6 @@ pub mod drtio {
let reply = aux_transact(
aux_mutex,
linkno,
routing_table,
&Packet::DestinationStatusRequest {
destination: destination,
},
@ -460,7 +380,7 @@ pub mod drtio {
pub async fn link_task(
aux_mutex: &Rc<Mutex<bool>>,
routing_table: &RoutingTable,
routing_table: &drtio_routing::RoutingTable,
up_destinations: &Rc<RefCell<[bool; drtio_routing::DEST_COUNT]>>,
timer: GlobalTimer,
) {
@ -471,7 +391,7 @@ pub mod drtio {
if up_links[linkno as usize] {
/* link was previously up */
if link_rx_up(linkno).await {
process_unsolicited_aux(aux_mutex, linkno, routing_table).await;
process_unsolicited_aux(aux_mutex, linkno).await;
process_local_errors(linkno).await;
} else {
info!("[LINK#{}] link is down", linkno);
@ -481,7 +401,7 @@ pub mod drtio {
/* link was previously down */
if link_rx_up(linkno).await {
info!("[LINK#{}] link RX became up, pinging", linkno);
let ping_count = ping_remote(aux_mutex, linkno, routing_table, timer).await;
let ping_count = ping_remote(aux_mutex, linkno, timer).await;
if ping_count > 0 {
info!("[LINK#{}] remote replied after {} packets", linkno, ping_count);
up_links[linkno as usize] = true;
@ -491,7 +411,7 @@ pub mod drtio {
if let Err(e) = load_routing_table(aux_mutex, linkno, routing_table, timer).await {
error!("[LINK#{}] failed to load routing table ({})", linkno, e);
}
if let Err(e) = set_rank(aux_mutex, linkno, 1 as u8, routing_table, timer).await {
if let Err(e) = set_rank(aux_mutex, linkno, 1 as u8, timer).await {
error!("[LINK#{}] failed to set rank ({})", linkno, e);
}
info!("[LINK#{}] link initialization completed", linkno);
@ -508,7 +428,7 @@ pub mod drtio {
}
#[allow(dead_code)]
pub fn reset(aux_mutex: Rc<Mutex<bool>>, routing_table: &RoutingTable, mut timer: GlobalTimer) {
pub fn reset(aux_mutex: Rc<Mutex<bool>>, mut timer: GlobalTimer) {
for linkno in 0..csr::DRTIO.len() {
unsafe {
(csr::DRTIO[linkno].reset_write)(1);
@ -524,13 +444,7 @@ pub mod drtio {
for linkno in 0..csr::DRTIO.len() {
let linkno = linkno as u8;
if task::block_on(link_rx_up(linkno)) {
let reply = task::block_on(aux_transact(
&aux_mutex,
linkno,
routing_table,
&Packet::ResetRequest,
timer,
));
let reply = task::block_on(aux_transact(&aux_mutex, linkno, &Packet::ResetRequest, timer));
match reply {
Ok(Packet::ResetAck) => (),
Ok(_) => error!("[LINK#{}] reset failed, received unexpected aux packet", linkno),
@ -543,15 +457,14 @@ pub mod drtio {
async fn partition_data<PacketF, HandlerF>(
linkno: u8,
aux_mutex: &Rc<Mutex<bool>>,
routing_table: &RoutingTable,
timer: GlobalTimer,
data: &[u8],
packet_f: PacketF,
reply_handler_f: HandlerF,
) -> Result<(), Error>
) -> Result<(), &'static str>
where
PacketF: Fn(&[u8; MASTER_PAYLOAD_MAX_SIZE], PayloadStatus, usize) -> Packet,
HandlerF: Fn(&Packet) -> Result<(), Error>,
PacketF: Fn(&[u8; MASTER_PAYLOAD_MAX_SIZE], bool, usize) -> Packet,
HandlerF: Fn(&Packet) -> Result<(), &'static str>,
{
let mut i = 0;
while i < data.len() {
@ -561,13 +474,11 @@ pub mod drtio {
} else {
data.len() - i
} as usize;
let first = i == 0;
let last = i + len == data.len();
slice[..len].clone_from_slice(&data[i..i + len]);
i += len;
let status = PayloadStatus::from_status(first, last);
let packet = packet_f(&slice, status, len);
let reply = aux_transact(aux_mutex, linkno, routing_table, &packet, timer).await?;
let packet = packet_f(&slice, last, len);
let reply = aux_transact(aux_mutex, linkno, &packet, timer).await?;
reply_handler_f(&reply)?;
}
Ok(())
@ -575,39 +486,29 @@ pub mod drtio {
pub async fn ddma_upload_trace(
aux_mutex: &Rc<Mutex<bool>>,
routing_table: &RoutingTable,
routing_table: &drtio_routing::RoutingTable,
timer: GlobalTimer,
id: u32,
destination: u8,
trace: &Vec<u8>,
) -> Result<(), Error> {
) -> Result<(), &'static str> {
let linkno = routing_table.0[destination as usize][0] - 1;
partition_data(
linkno,
aux_mutex,
routing_table,
timer,
trace,
|slice, status, len| Packet::DmaAddTraceRequest {
|slice, last, len| Packet::DmaAddTraceRequest {
id: id,
source: 0,
destination: destination,
status: status,
last: last,
length: len as u16,
trace: *slice,
},
|reply| match reply {
Packet::DmaAddTraceReply {
destination: 0,
succeeded: true,
..
} => Ok(()),
Packet::DmaAddTraceReply {
destination: 0,
succeeded: false,
..
} => Err(Error::DmaAddTraceFail(destination)),
_ => Err(Error::UnexpectedReply),
Packet::DmaAddTraceReply { succeeded: true } => Ok(()),
Packet::DmaAddTraceReply { succeeded: false } => Err("error adding trace on satellite"),
_ => Err("adding DMA trace failed, unexpected aux packet"),
},
)
.await
@ -615,96 +516,82 @@ pub mod drtio {
pub async fn ddma_send_erase(
aux_mutex: &Rc<Mutex<bool>>,
routing_table: &RoutingTable,
routing_table: &drtio_routing::RoutingTable,
timer: GlobalTimer,
id: u32,
destination: u8,
) -> Result<(), Error> {
) -> Result<(), &'static str> {
let linkno = routing_table.0[destination as usize][0] - 1;
let reply = aux_transact(
aux_mutex,
linkno,
routing_table,
&Packet::DmaRemoveTraceRequest {
id: id,
source: 0,
destination: destination,
},
timer,
)
.await?;
.await;
match reply {
Packet::DmaRemoveTraceReply {
destination: 0,
succeeded: true,
} => Ok(()),
Packet::DmaRemoveTraceReply {
destination: 0,
succeeded: false,
} => Err(Error::DmaEraseFail(destination)),
_ => Err(Error::UnexpectedReply),
Ok(Packet::DmaRemoveTraceReply { succeeded: true }) => Ok(()),
Ok(Packet::DmaRemoveTraceReply { succeeded: false }) => Err("satellite DMA erase error"),
Ok(_) => Err("adding trace failed, unexpected aux packet"),
Err(_) => Err("erasing trace failed, aux error"),
}
}
pub async fn ddma_send_playback(
aux_mutex: &Rc<Mutex<bool>>,
routing_table: &RoutingTable,
routing_table: &drtio_routing::RoutingTable,
timer: GlobalTimer,
id: u32,
destination: u8,
timestamp: u64,
) -> Result<(), Error> {
) -> Result<(), &'static str> {
let linkno = routing_table.0[destination as usize][0] - 1;
let reply = aux_transact(
aux_mutex,
linkno,
routing_table,
&Packet::DmaPlaybackRequest {
id: id,
source: 0,
destination: destination,
timestamp: timestamp,
},
timer,
)
.await?;
.await;
match reply {
Packet::DmaPlaybackReply {
destination: 0,
succeeded: true,
} => Ok(()),
Packet::DmaPlaybackReply {
destination: 0,
succeeded: false,
} => Err(Error::DmaPlaybackFail(destination)),
_ => Err(Error::UnexpectedReply),
Ok(Packet::DmaPlaybackReply { succeeded: true }) => Ok(()),
Ok(Packet::DmaPlaybackReply { succeeded: false }) => Err("error on DMA playback request"),
Ok(_) => Err("received unexpected aux packet during DMA playback"),
Err(_) => Err("aux error on DMA playback"),
}
}
async fn analyzer_get_data(
aux_mutex: &Rc<Mutex<bool>>,
routing_table: &RoutingTable,
routing_table: &drtio_routing::RoutingTable,
timer: GlobalTimer,
destination: u8,
) -> Result<RemoteBuffer, Error> {
) -> Result<RemoteBuffer, &'static str> {
let linkno = routing_table.0[destination as usize][0] - 1;
let reply = aux_transact(
aux_mutex,
linkno,
routing_table,
&Packet::AnalyzerHeaderRequest {
destination: destination,
},
timer,
)
.await?;
.await;
let (sent, total, overflow) = match reply {
Packet::AnalyzerHeader {
Ok(Packet::AnalyzerHeader {
sent_bytes,
total_byte_count,
overflow_occurred,
} => (sent_bytes, total_byte_count, overflow_occurred),
_ => return Err(Error::UnexpectedReply),
}) => (sent_bytes, total_byte_count, overflow_occurred),
Ok(_) => return Err("received unexpected aux packet during remote analyzer header request"),
Err(e) => return Err(e),
};
let mut remote_data: Vec<u8> = Vec::new();
@ -714,19 +601,19 @@ pub mod drtio {
let reply = aux_transact(
aux_mutex,
linkno,
routing_table,
&Packet::AnalyzerDataRequest {
destination: destination,
},
timer,
)
.await?;
.await;
match reply {
Packet::AnalyzerData { last, length, data } => {
Ok(Packet::AnalyzerData { last, length, data }) => {
last_packet = last;
remote_data.extend(&data[0..length as usize]);
}
_ => return Err(Error::UnexpectedReply),
Ok(_) => return Err("received unexpected aux packet during remote analyzer data request"),
Err(e) => return Err(e),
}
}
}
@ -741,10 +628,10 @@ pub mod drtio {
pub async fn analyzer_query(
aux_mutex: &Rc<Mutex<bool>>,
routing_table: &RoutingTable,
routing_table: &drtio_routing::RoutingTable,
up_destinations: &Rc<RefCell<[bool; drtio_routing::DEST_COUNT]>>,
timer: GlobalTimer,
) -> Result<Vec<RemoteBuffer>, Error> {
) -> Result<Vec<RemoteBuffer>, &'static str> {
let mut remote_buffers: Vec<RemoteBuffer> = Vec::new();
for i in 1..drtio_routing::DEST_COUNT {
if destination_up(up_destinations, i as u8).await {
@ -756,30 +643,29 @@ pub mod drtio {
pub async fn subkernel_upload(
aux_mutex: &Rc<Mutex<bool>>,
routing_table: &RoutingTable,
routing_table: &drtio_routing::RoutingTable,
timer: GlobalTimer,
id: u32,
destination: u8,
data: &Vec<u8>,
) -> Result<(), Error> {
) -> Result<(), &'static str> {
let linkno = routing_table.0[destination as usize][0] - 1;
partition_data(
linkno,
aux_mutex,
routing_table,
timer,
data,
|slice, status, len| Packet::SubkernelAddDataRequest {
|slice, last, len| Packet::SubkernelAddDataRequest {
id: id,
destination: destination,
status: status,
last: last,
length: len as u16,
data: *slice,
},
|reply| match reply {
Packet::SubkernelAddDataReply { succeeded: true } => Ok(()),
Packet::SubkernelAddDataReply { succeeded: false } => Err(Error::SubkernelAddFail(destination)),
_ => Err(Error::UnexpectedReply),
Packet::SubkernelAddDataReply { succeeded: false } => Err("error adding subkernel on satellite"),
_ => Err("adding subkernel failed, unexpected aux packet"),
},
)
.await
@ -787,20 +673,18 @@ pub mod drtio {
pub async fn subkernel_load(
aux_mutex: &Rc<Mutex<bool>>,
routing_table: &RoutingTable,
routing_table: &drtio_routing::RoutingTable,
timer: GlobalTimer,
id: u32,
destination: u8,
run: bool,
) -> Result<(), Error> {
) -> Result<(), &'static str> {
let linkno = routing_table.0[destination as usize][0] - 1;
let reply = aux_transact(
aux_mutex,
linkno,
routing_table,
&Packet::SubkernelLoadRunRequest {
id: id,
source: 0,
destination: destination,
run: run,
},
@ -808,81 +692,66 @@ pub mod drtio {
)
.await?;
match reply {
Packet::SubkernelLoadRunReply {
destination: 0,
succeeded: true,
} => return Ok(()),
Packet::SubkernelLoadRunReply {
destination: 0,
succeeded: false,
} => return Err(Error::SubkernelRunFail(destination)),
_ => Err(Error::UnexpectedReply),
Packet::SubkernelLoadRunReply { succeeded: true } => return Ok(()),
Packet::SubkernelLoadRunReply { succeeded: false } => return Err("error on subkernel run request"),
_ => return Err("received unexpected aux packet during subkernel run"),
}
}
pub async fn subkernel_retrieve_exception(
aux_mutex: &Rc<Mutex<bool>>,
routing_table: &RoutingTable,
routing_table: &drtio_routing::RoutingTable,
timer: GlobalTimer,
destination: u8,
) -> Result<Vec<u8>, Error> {
) -> Result<Vec<u8>, &'static str> {
let linkno = routing_table.0[destination as usize][0] - 1;
let mut remote_data: Vec<u8> = Vec::new();
loop {
let reply = aux_transact(
aux_mutex,
linkno,
routing_table,
&Packet::SubkernelExceptionRequest {
source: 0,
destination: destination,
},
timer,
)
.await?;
match reply {
Packet::SubkernelException {
destination: 0,
last,
length,
data,
} => {
Packet::SubkernelException { last, length, data } => {
remote_data.extend(&data[0..length as usize]);
if last {
return Ok(remote_data);
}
}
_ => return Err(Error::UnexpectedReply),
_ => return Err("received unexpected aux packet during subkernel exception request"),
}
}
}
pub async fn subkernel_send_message(
aux_mutex: &Rc<Mutex<bool>>,
routing_table: &RoutingTable,
routing_table: &drtio_routing::RoutingTable,
timer: GlobalTimer,
id: u32,
destination: u8,
message: &[u8],
) -> Result<(), Error> {
) -> Result<(), &'static str> {
let linkno = routing_table.0[destination as usize][0] - 1;
partition_data(
linkno,
aux_mutex,
routing_table,
timer,
message,
|slice, status, len| Packet::SubkernelMessage {
source: 0,
|slice, last, len| Packet::SubkernelMessage {
destination: destination,
id: id,
status: status,
last: last,
length: len as u16,
data: *slice,
},
|reply| match reply {
Packet::SubkernelMessageAck { .. } => Ok(()),
_ => Err(Error::UnexpectedReply),
_ => Err("sending message to subkernel failed, unexpected aux packet"),
},
)
.await
@ -895,46 +764,22 @@ pub mod drtio {
pub fn startup(
_aux_mutex: &Rc<Mutex<bool>>,
_routing_table: &Rc<RefCell<RoutingTable>>,
_routing_table: &Rc<RefCell<drtio_routing::RoutingTable>>,
_up_destinations: &Rc<RefCell<[bool; drtio_routing::DEST_COUNT]>>,
_timer: GlobalTimer,
) {
}
#[allow(dead_code)]
pub fn reset(_aux_mutex: Rc<Mutex<bool>>, _routing_table: &RoutingTable, mut _timer: GlobalTimer) {}
}
fn toggle_sed_spread(val: u8) {
unsafe {
csr::rtio_core::sed_spread_enable_write(val);
}
}
fn setup_sed_spread(cfg: &Config) {
if let Ok(spread_enable) = cfg.read_str("sed_spread_enable") {
match spread_enable.as_ref() {
"1" => toggle_sed_spread(1),
"0" => toggle_sed_spread(0),
_ => {
warn!("sed_spread_enable value not supported (only 1, 0 allowed), disabling by default");
toggle_sed_spread(0)
}
};
} else {
info!("SED spreading disabled by default");
toggle_sed_spread(0);
}
pub fn reset(_aux_mutex: Rc<Mutex<bool>>, mut _timer: GlobalTimer) {}
}
pub fn startup(
aux_mutex: &Rc<Mutex<bool>>,
routing_table: &Rc<RefCell<RoutingTable>>,
routing_table: &Rc<RefCell<drtio_routing::RoutingTable>>,
up_destinations: &Rc<RefCell<[bool; drtio_routing::DEST_COUNT]>>,
cfg: &Config,
timer: GlobalTimer,
) {
setup_sed_spread(cfg);
drtio::startup(aux_mutex, routing_table, up_destinations, timer);
unsafe {
csr::rtio_core::reset_phy_write(1);
@ -942,9 +787,9 @@ pub fn startup(
}
#[allow(dead_code)]
pub fn reset(aux_mutex: Rc<Mutex<bool>>, routing_table: &RoutingTable, timer: GlobalTimer) {
pub fn reset(aux_mutex: Rc<Mutex<bool>>, timer: GlobalTimer) {
unsafe {
csr::rtio_core::reset_write(1);
}
drtio::reset(aux_mutex, routing_table, timer)
drtio::reset(aux_mutex, timer)
}

92
src/runtime/src/subkernel.rs
View File

@ -1,19 +1,18 @@
use alloc::{collections::BTreeMap, rc::Rc, vec::Vec};
use libasync::task;
use libboard_artiq::{drtio_routing::RoutingTable,
drtioaux_proto::{PayloadStatus, MASTER_PAYLOAD_MAX_SIZE}};
use libboard_artiq::{drtio_routing::RoutingTable, drtioaux_proto::MASTER_PAYLOAD_MAX_SIZE};
use libboard_zynq::{time::Milliseconds, timer::GlobalTimer};
use libcortex_a9::mutex::Mutex;
use log::{error, warn};
use log::error;
use crate::rtio_mgt::{drtio, drtio::Error as DrtioError};
use crate::rtio_mgt::drtio;
#[derive(Debug, PartialEq, Clone, Copy)]
pub enum FinishStatus {
Ok,
CommLost,
Exception(u8), // exception source
Exception,
}
#[derive(Debug, PartialEq, Clone, Copy)]
@ -29,13 +28,12 @@ pub enum Error {
Timeout,
IncorrectState,
SubkernelNotFound,
SubkernelException,
CommLost,
DrtioError(DrtioError),
DrtioError(&'static str),
}
impl From<DrtioError> for Error {
fn from(value: DrtioError) -> Error {
impl From<&'static str> for Error {
fn from(value: &'static str) -> Error {
Error::DrtioError(value)
}
}
@ -121,19 +119,17 @@ pub async fn clear_subkernels() {
CURRENT_MESSAGES.async_lock().await.clear();
}
pub async fn subkernel_finished(id: u32, with_exception: bool, exception_src: u8) {
pub async fn subkernel_finished(id: u32, with_exception: bool) {
// called upon receiving DRTIO SubkernelRunDone
// may be None if session ends and is cleared
if let Some(subkernel) = SUBKERNELS.async_lock().await.get_mut(&id) {
if subkernel.state == SubkernelState::Running {
subkernel.state = SubkernelState::Finished {
status: match with_exception {
true => FinishStatus::Exception(exception_src),
true => FinishStatus::Exception,
false => FinishStatus::Ok,
},
}
}
}
}
pub async fn destination_changed(
@ -169,35 +165,26 @@ pub async fn await_finish(
routing_table: &RoutingTable,
timer: GlobalTimer,
id: u32,
timeout: i64,
timeout: u64,
) -> Result<SubkernelFinished, Error> {
match SUBKERNELS.async_lock().await.get(&id).unwrap().state {
SubkernelState::Running | SubkernelState::Finished { .. } => (),
_ => return Err(Error::IncorrectState),
}
if timeout > 0 {
let max_time = timer.get_time() + Milliseconds(timeout as u64);
let max_time = timer.get_time() + Milliseconds(timeout);
while timer.get_time() < max_time {
{
match SUBKERNELS.async_lock().await.get(&id).unwrap().state {
SubkernelState::Finished { .. } => break,
_ => (),
};
}
task::r#yield().await;
}
if timer.get_time() >= max_time {
error!("Remote subkernel finish await timed out");
return Err(Error::Timeout);
}
} else {
// no timeout, wait forever
loop {
match SUBKERNELS.async_lock().await.get(&id).unwrap().state {
SubkernelState::Finished { .. } => break,
_ => (),
};
task::r#yield().await;
}
}
if let Some(subkernel) = SUBKERNELS.async_lock().await.get_mut(&id) {
match subkernel.state {
SubkernelState::Finished { status } => {
@ -205,8 +192,11 @@ pub async fn await_finish(
Ok(SubkernelFinished {
id: id,
status: status,
exception: if let FinishStatus::Exception(dest) = status {
Some(drtio::subkernel_retrieve_exception(aux_mutex, routing_table, timer, dest).await?)
exception: if status == FinishStatus::Exception {
Some(
drtio::subkernel_retrieve_exception(aux_mutex, routing_table, timer, subkernel.destination)
.await?,
)
} else {
None
},
@ -230,28 +220,13 @@ static MESSAGE_QUEUE: Mutex<Vec<Message>> = Mutex::new(Vec::new());
// currently under construction message(s) (can be from multiple sources)
static CURRENT_MESSAGES: Mutex<BTreeMap<u32, Message>> = Mutex::new(BTreeMap::new());
pub async fn message_handle_incoming(
id: u32,
status: PayloadStatus,
length: usize,
data: &[u8; MASTER_PAYLOAD_MAX_SIZE],
) {
pub async fn message_handle_incoming(id: u32, last: bool, length: usize, data: &[u8; MASTER_PAYLOAD_MAX_SIZE]) {
// called when receiving a message from satellite
{
let subkernel_lock = SUBKERNELS.async_lock().await;
let subkernel = subkernel_lock.get(&id);
if subkernel.is_some() && subkernel.unwrap().state != SubkernelState::Running {
// do not add messages for non-running or deleted subkernels
warn!("received a message for a non-running subkernel #{}", id);
if SUBKERNELS.async_lock().await.get(&id).is_none() {
// do not add messages for non-existing or deleted subkernels
return;
}
}
let mut current_messages = CURRENT_MESSAGES.async_lock().await;
if status.is_first() {
current_messages.remove(&id);
}
match current_messages.get_mut(&id) {
Some(message) => message.data.extend(&data[..length]),
None => {
@ -265,7 +240,7 @@ pub async fn message_handle_incoming(
);
}
};
if status.is_last() {
if last {
// when done, remove from working queue
MESSAGE_QUEUE
.async_lock()
@ -274,9 +249,7 @@ pub async fn message_handle_incoming(
}
}
pub async fn message_await(id: u32, timeout: i64, timer: GlobalTimer) -> Result<Message, Error> {
let is_subkernel = SUBKERNELS.async_lock().await.get(&id).is_some();
if is_subkernel {
pub async fn message_await(id: u32, timeout: u64, timer: GlobalTimer) -> Result<Message, Error> {
match SUBKERNELS.async_lock().await.get(&id).unwrap().state {
SubkernelState::Finished {
status: FinishStatus::CommLost,
@ -284,9 +257,8 @@ pub async fn message_await(id: u32, timeout: i64, timer: GlobalTimer) -> Result<
SubkernelState::Running | SubkernelState::Finished { .. } => (),
_ => return Err(Error::IncorrectState),
}
}
let max_time = timer.get_time() + Milliseconds(timeout as u64);
while timeout < 0 || (timeout > 0 && timer.get_time() < max_time) {
let max_time = timer.get_time() + Milliseconds(timeout);
while timer.get_time() < max_time {
{
let mut message_queue = MESSAGE_QUEUE.async_lock().await;
for i in 0..message_queue.len() {
@ -297,17 +269,6 @@ pub async fn message_await(id: u32, timeout: i64, timer: GlobalTimer) -> Result<
}
}
}
if is_subkernel {
match SUBKERNELS.async_lock().await.get(&id).unwrap().state {
SubkernelState::Finished {
status: FinishStatus::CommLost,
} => return Err(Error::CommLost),
SubkernelState::Finished {
status: FinishStatus::Exception(_),
} => return Err(Error::SubkernelException),
_ => (),
}
}
task::r#yield().await;
}
Err(Error::Timeout)
@ -318,8 +279,9 @@ pub async fn message_send<'a>(
routing_table: &RoutingTable,
timer: GlobalTimer,
id: u32,
destination: u8,
message: Vec<u8>,
) -> Result<(), Error> {
let destination = SUBKERNELS.async_lock().await.get(&id).unwrap().destination;
// rpc data prepared by the kernel core already
Ok(drtio::subkernel_send_message(aux_mutex, routing_table, timer, id, destination, &message).await?)
}

1
src/satman/Cargo.toml.tpl
View File

@ -7,7 +7,6 @@ build = "build.rs"
[features]
target_zc706 = ["libboard_zynq/target_zc706", "libsupport_zynq/target_zc706", "libconfig/target_zc706", "libboard_artiq/target_zc706"]
target_kasli_soc = ["libboard_zynq/target_kasli_soc", "libsupport_zynq/target_kasli_soc", "libconfig/target_kasli_soc", "libboard_artiq/target_kasli_soc"]
calibrate_wrpll_skew = ["libboard_artiq/calibrate_wrpll_skew"]
default = ["target_zc706", ]
[build-dependencies]

460
src/satman/src/dma.rs
View File

@ -1,13 +1,7 @@
use alloc::{collections::btree_map::BTreeMap, string::String, vec::Vec};
use core::mem;
use alloc::{collections::btree_map::BTreeMap, vec::Vec};
use ksupport::kernel::DmaRecorder;
use libboard_artiq::{drtio_routing::RoutingTable,
drtioaux_proto::{Packet, PayloadStatus, MASTER_PAYLOAD_MAX_SIZE},
pl::csr};
use libboard_artiq::pl::csr;
use libcortex_a9::cache::dcci_slice;
use routing::{Router, Sliceable};
use subkernel::Manager as KernelManager;
const ALIGNMENT: usize = 64;
@ -18,20 +12,16 @@ enum ManagerState {
}
pub struct RtioStatus {
pub source: u8,
pub id: u32,
pub error: u8,
pub channel: u32,
pub timestamp: u64,
}
#[derive(Debug)]
pub enum Error {
IdNotFound,
PlaybackInProgress,
EntryNotComplete,
MasterDmaFound,
UploadFail,
}
#[derive(Debug)]
@ -39,228 +29,13 @@ struct Entry {
trace: Vec<u8>,
padding_len: usize,
complete: bool,
duration: i64, // relevant for local DMA
}
impl Entry {
pub fn from_vec(data: Vec<u8>, duration: i64) -> Entry {
let mut entry = Entry {
trace: data,
padding_len: 0,
complete: true,
duration: duration,
};
entry.realign();
entry
}
pub fn id(&self) -> u32 {
self.trace[self.padding_len..].as_ptr() as u32
}
pub fn realign(&mut self) {
self.trace.push(0);
let data_len = self.trace.len();
self.trace.reserve(ALIGNMENT - 1);
let padding = ALIGNMENT - self.trace.as_ptr() as usize % ALIGNMENT;
let padding = if padding == ALIGNMENT { 0 } else { padding };
for _ in 0..padding {
// Vec guarantees that this will not reallocate
self.trace.push(0)
}
for i in 1..data_len + 1 {
self.trace[data_len + padding - i] = self.trace[data_len - i]
}
self.complete = true;
self.padding_len = padding;
dcci_slice(&self.trace);
}
}
#[derive(Debug)]
enum RemoteTraceState {
Unsent,
Sending(usize),
Ready,
Running(usize),
}
#[derive(Debug)]
struct RemoteTraces {
remote_traces: BTreeMap<u8, Sliceable>,
state: RemoteTraceState,
}
impl RemoteTraces {
pub fn new(traces: BTreeMap<u8, Sliceable>) -> RemoteTraces {
RemoteTraces {
remote_traces: traces,
state: RemoteTraceState::Unsent,
}
}
// on subkernel request
pub fn upload_traces(
&mut self,
id: u32,
router: &mut Router,
rank: u8,
self_destination: u8,
routing_table: &RoutingTable,
) -> usize {
let len = self.remote_traces.len();
if len > 0 {
self.state = RemoteTraceState::Sending(self.remote_traces.len());
for (dest, trace) in self.remote_traces.iter_mut() {
// queue up the first packet for all destinations, rest will be sent after first ACK
let mut data_slice: [u8; MASTER_PAYLOAD_MAX_SIZE] = [0; MASTER_PAYLOAD_MAX_SIZE];
let meta = trace.get_slice_master(&mut data_slice);
router.route(
Packet::DmaAddTraceRequest {
source: self_destination,
destination: *dest,
id: id,
status: meta.status,
length: meta.len,
trace: data_slice,
},
routing_table,
rank,
self_destination,
);
}
}
len
}
// on incoming Packet::DmaAddTraceReply
pub fn ack_upload(
&mut self,
kernel_manager: &mut KernelManager,
source: u8,
id: u32,
succeeded: bool,
router: &mut Router,
rank: u8,
self_destination: u8,
routing_table: &RoutingTable,
) {
if let RemoteTraceState::Sending(count) = self.state {
if let Some(trace) = self.remote_traces.get_mut(&source) {
if trace.at_end() {
if count - 1 == 0 {
self.state = RemoteTraceState::Ready;
if let Some((id, timestamp)) = kernel_manager.ddma_remote_uploaded(succeeded) {
self.playback(id, timestamp, router, rank, self_destination, routing_table);
}
} else {
self.state = RemoteTraceState::Sending(count - 1);
}
} else {
// send next slice
let mut data_slice: [u8; MASTER_PAYLOAD_MAX_SIZE] = [0; MASTER_PAYLOAD_MAX_SIZE];
let meta = trace.get_slice_master(&mut data_slice);
router.route(
Packet::DmaAddTraceRequest {
source: self_destination,
destination: meta.destination,
id: id,
status: meta.status,
length: meta.len,
trace: data_slice,
},
routing_table,
rank,
self_destination,
);
}
}
}
}
// on subkernel request
pub fn playback(
&mut self,
id: u32,
timestamp: u64,
router: &mut Router,
rank: u8,
self_destination: u8,
routing_table: &RoutingTable,
) {
// route all the playback requests
// remote traces (local trace runs on core1 unlike mainline firmware)
self.state = RemoteTraceState::Running(self.remote_traces.len());
for (dest, _) in self.remote_traces.iter() {
router.route(
Packet::DmaPlaybackRequest {
source: self_destination,
destination: *dest,
id: id,
timestamp: timestamp,
},
routing_table,
rank,
self_destination,
);
// response will be ignored (succeeded = false handled by the main thread)
}
}
// on incoming Packet::DmaPlaybackDone
pub fn remote_finished(&mut self, kernel_manager: &mut KernelManager, error: u8, channel: u32, timestamp: u64) {
if let RemoteTraceState::Running(count) = self.state {
if error != 0 || count - 1 == 0 {
// notify the kernel about a DDMA error or finish
kernel_manager.ddma_finished(error, channel, timestamp);
self.state = RemoteTraceState::Ready;
// further messages will be ignored (if there was an error)
} else {
// no error and not the last one awaited
self.state = RemoteTraceState::Running(count - 1);
}
}
}
pub fn erase(
&mut self,
id: u32,
router: &mut Router,
rank: u8,
self_destination: u8,
routing_table: &RoutingTable,
) {
for (dest, _) in self.remote_traces.iter() {
router.route(
Packet::DmaRemoveTraceRequest {
source: self_destination,
destination: *dest,
id: id,
},
routing_table,
rank,
self_destination,
);
// response will be ignored as this object will stop existing too
}
}
pub fn has_remote_traces(&self) -> bool {
self.remote_traces.len() > 0
}
}
#[derive(Debug)]
pub struct Manager {
entries: BTreeMap<(u8, u32), Entry>,
entries: BTreeMap<u32, Entry>,
state: ManagerState,
current_id: u32,
current_source: u8,
remote_entries: BTreeMap<u32, RemoteTraces>,
name_map: BTreeMap<String, u32>,
currentid: u32,
}
impl Manager {
@ -270,238 +45,79 @@ impl Manager {
unsafe { while csr::rtio_dma::enable_read() != 0 {} }
Manager {
entries: BTreeMap::new(),
current_id: 0,
current_source: 0,
currentid: 0,
state: ManagerState::Idle,
remote_entries: BTreeMap::new(),
name_map: BTreeMap::new(),
}
}
pub fn add(
&mut self,
source: u8,
id: u32,
status: PayloadStatus,
trace: &[u8],
trace_len: usize,
) -> Result<(), Error> {
let entry = match self.entries.get_mut(&(source, id)) {
pub fn add(&mut self, id: u32, last: bool, trace: &[u8], trace_len: usize) -> Result<(), Error> {
let entry = match self.entries.get_mut(&id) {
Some(entry) => {
if entry.complete || status.is_first() {
if entry.complete {
// replace entry
self.entries.remove(&(source, id));
self.entries.remove(&id);
self.entries.insert(
(source, id),
id,
Entry {
trace: Vec::new(),
padding_len: 0,
complete: false,
duration: 0,
},
);
self.entries.get_mut(&(source, id)).unwrap()
self.entries.get_mut(&id).unwrap()
} else {
entry
}
}
None => {
self.entries.insert(
(source, id),
id,
Entry {
trace: Vec::new(),
padding_len: 0,
complete: false,
duration: 0,
},
);
self.entries.get_mut(&(source, id)).unwrap()
self.entries.get_mut(&id).unwrap()
}
};
entry.trace.extend(&trace[0..trace_len]);
if status.is_last() {
entry.realign();
if last {
entry.trace.push(0);
let data_len = entry.trace.len();
// Realign.
entry.trace.reserve(ALIGNMENT - 1);
let padding = ALIGNMENT - entry.trace.as_ptr() as usize % ALIGNMENT;
let padding = if padding == ALIGNMENT { 0 } else { padding };
for _ in 0..padding {
// Vec guarantees that this will not reallocate
entry.trace.push(0)
}
for i in 1..data_len + 1 {
entry.trace[data_len + padding - i] = entry.trace[data_len - i]
}
entry.complete = true;
entry.padding_len = padding;
dcci_slice(&entry.trace);
}
Ok(())
}
// api for DRTIO
pub fn erase(&mut self, source: u8, id: u32) -> Result<(), Error> {
match self.entries.remove(&(source, id)) {
pub fn erase(&mut self, id: u32) -> Result<(), Error> {
match self.entries.remove(&id) {
Some(_) => Ok(()),
None => Err(Error::IdNotFound),
}
}
// API for subkernel
pub fn erase_name(
&mut self,
name: &str,
router: &mut Router,
rank: u8,
self_destination: u8,
routing_table: &RoutingTable,
) {
if let Some(id) = self.name_map.get(name) {
if let Some(traces) = self.remote_entries.get_mut(&id) {
traces.erase(*id, router, rank, self_destination, routing_table);
self.remote_entries.remove(&id);
}
self.entries.remove(&(self_destination, *id));
self.name_map.remove(name);
}
}
pub fn remote_finished(
&mut self,
kernel_manager: &mut KernelManager,
id: u32,
error: u8,
channel: u32,
timestamp: u64,
) {
if let Some(entry) = self.remote_entries.get_mut(&id) {
entry.remote_finished(kernel_manager, error, channel, timestamp);
}
}
pub fn ack_upload(
&mut self,
kernel_manager: &mut KernelManager,
source: u8,
id: u32,
succeeded: bool,
router: &mut Router,
rank: u8,
self_destination: u8,
routing_table: &RoutingTable,
) {
if let Some(entry) = self.remote_entries.get_mut(&id) {
entry.ack_upload(
kernel_manager,
source,
id,
succeeded,
router,
rank,
self_destination,
routing_table,
);
}
}
// API for subkernel
pub fn upload_traces(
&mut self,
id: u32,
router: &mut Router,
rank: u8,
self_destination: u8,
routing_table: &RoutingTable,
) -> Result<usize, Error> {
let remote_traces = self.remote_entries.get_mut(&id);
let mut len = 0;
if let Some(traces) = remote_traces {
len = traces.upload_traces(id, router, rank, self_destination, routing_table);
}
Ok(len)
}
// API for subkernel
pub fn playback_remote(
&mut self,
id: u32,
timestamp: u64,
router: &mut Router,
rank: u8,
self_destination: u8,
routing_table: &RoutingTable,
) -> Result<(), Error> {
if let Some(traces) = self.remote_entries.get_mut(&id) {
traces.playback(id, timestamp, router, rank, self_destination, routing_table);
Ok(())
} else {
Err(Error::IdNotFound)
}
}
// API for subkernel
pub fn cleanup(&mut self, router: &mut Router, rank: u8, self_destination: u8, routing_table: &RoutingTable) {
// after subkernel ends, remove all self-generated traces
for (_, id) in self.name_map.iter_mut() {
if let Some(traces) = self.remote_entries.get_mut(&id) {
traces.erase(*id, router, rank, self_destination, routing_table);
self.remote_entries.remove(&id);
}
self.entries.remove(&(self_destination, *id));
}
self.name_map.clear();
}
// API for subkernel
pub fn retrieve(&self, self_destination: u8, name: &String) -> Option<(i32, i64, bool)> {
let id = self.name_map.get(name)?;
let duration = self.entries.get(&(self_destination, *id))?.duration;
let uses_ddma = self.has_remote_traces(*id);
Some((*id as i32, duration, uses_ddma))
}
pub fn has_remote_traces(&self, id: u32) -> bool {
match self.remote_entries.get(&id) {
Some(traces) => traces.has_remote_traces(),
_ => false,
}
}
pub fn put_record(&mut self, mut recorder: DmaRecorder, self_destination: u8) -> Result<u32, Error> {
let mut remote_traces: BTreeMap<u8, Sliceable> = BTreeMap::new();
let mut local_trace: Vec<u8> = Vec::new();
// analyze each entry and put in proper buckets, as the kernel core
// sends whole chunks, to limit comms/kernel CPU communication,
// and as only comms core has access to varios DMA buffers.
let mut ptr = 0;
recorder.buffer.push(0);
while recorder.buffer[ptr] != 0 {
// ptr + 3 = tgt >> 24 (destination)
let len = recorder.buffer[ptr] as usize;
let destination = recorder.buffer[ptr + 3];
if destination == 0 {
return Err(Error::MasterDmaFound);
} else if destination == self_destination {
local_trace.extend(&recorder.buffer[ptr..ptr + len]);
} else {
if let Some(remote_trace) = remote_traces.get_mut(&destination) {
remote_trace.extend(&recorder.buffer[ptr..ptr + len]);
} else {
remote_traces.insert(
destination,
Sliceable::new(destination, recorder.buffer[ptr..ptr + len].to_vec()),
);
}
}
// and jump to the next event
ptr += len;
}
let local_entry = Entry::from_vec(local_trace, recorder.duration);
let id = local_entry.id();
self.entries.insert((self_destination, id), local_entry);
self.remote_entries.insert(id, RemoteTraces::new(remote_traces));
let mut name = String::new();
mem::swap(&mut recorder.name, &mut name);
self.name_map.insert(name, id);
Ok(id)
}
pub fn playback(&mut self, source: u8, id: u32, timestamp: u64) -> Result<(), Error> {
pub fn playback(&mut self, id: u32, timestamp: u64) -> Result<(), Error> {
if self.state != ManagerState::Idle {
return Err(Error::PlaybackInProgress);
}
let entry = match self.entries.get(&(source, id)) {
let entry = match self.entries.get(&id) {
Some(entry) => entry,
None => {
return Err(Error::IdNotFound);
@ -514,8 +130,7 @@ impl Manager {
assert!(ptr as u32 % 64 == 0);
self.state = ManagerState::Playback;
self.current_id = id;
self.current_source = source;
self.currentid = id;
unsafe {
csr::rtio_dma::base_address_write(ptr as u32);
@ -547,8 +162,7 @@ impl Manager {
csr::rtio_dma::error_write(1);
}
return Some(RtioStatus {
source: self.current_source,
id: self.current_id,
id: self.currentid,
error: error,
channel: channel,
timestamp: timestamp,

754
src/satman/src/main.rs
View File

File diff suppressed because it is too large Load Diff

77
src/satman/src/repeater.rs
View File

@ -6,7 +6,6 @@ use libboard_artiq::{drtio_routing, drtioaux};
#[cfg(has_drtio_routing)]
use libboard_zynq::time::Milliseconds;
use libboard_zynq::timer::GlobalTimer;
use routing::Router;
#[cfg(has_drtio_routing)]
fn rep_link_rx_up(repno: u8) -> bool {
@ -54,14 +53,7 @@ impl Repeater {
self.state == RepeaterState::Up
}
pub fn service(
&mut self,
routing_table: &drtio_routing::RoutingTable,
rank: u8,
destination: u8,
router: &mut Router,
timer: &mut GlobalTimer,
) {
pub fn service(&mut self, routing_table: &drtio_routing::RoutingTable, rank: u8, timer: &mut GlobalTimer) {
self.process_local_errors();
match self.state {
@ -87,10 +79,6 @@ impl Repeater {
if rep_link_rx_up(self.repno) {
if let Ok(Some(drtioaux::Packet::EchoReply)) = drtioaux::recv(self.auxno) {
info!("[REP#{}] remote replied after {} packets", self.repno, ping_count);
let max_time = timer.get_time() + Milliseconds(200);
while timer.get_time() < max_time {
let _ = drtioaux::recv(self.auxno);
}
self.state = RepeaterState::Up;
if let Err(e) = self.sync_tsc(timer) {
error!("[REP#{}] failed to sync TSC ({:?})", self.repno, e);
@ -123,7 +111,7 @@ impl Repeater {
}
}
RepeaterState::Up => {
self.process_unsolicited_aux(routing_table, rank, destination, router);
self.process_unsolicited_aux();
if !rep_link_rx_up(self.repno) {
info!("[REP#{}] link is down", self.repno);
self.state = RepeaterState::Down;
@ -138,15 +126,9 @@ impl Repeater {
}
}
fn process_unsolicited_aux(
&self,
routing_table: &drtio_routing::RoutingTable,
rank: u8,
destination: u8,
router: &mut Router,
) {
fn process_unsolicited_aux(&self) {
match drtioaux::recv(self.auxno) {
Ok(Some(packet)) => router.route(packet, routing_table, rank, destination),
Ok(Some(packet)) => warn!("[REP#{}] unsolicited aux packet: {:?}", self.repno, packet),
Ok(None) => (),
Err(_) => warn!("[REP#{}] aux packet error", self.repno),
}
@ -208,45 +190,14 @@ impl Repeater {
}
}
pub fn aux_forward(
&self,
request: &drtioaux::Packet,
router: &mut Router,
routing_table: &drtio_routing::RoutingTable,
rank: u8,
self_destination: u8,
timer: &mut GlobalTimer,
) -> Result<(), drtioaux::Error> {
self.aux_send(request)?;
loop {
let reply = self.recv_aux_timeout(200, timer)?;
match reply {
// async/locally requested packets to be consumed or routed
// these may come while a packet would be forwarded
drtioaux::Packet::DmaPlaybackStatus { .. }
| drtioaux::Packet::SubkernelFinished { .. }
| drtioaux::Packet::SubkernelMessage { .. }
| drtioaux::Packet::SubkernelMessageAck { .. }
| drtioaux::Packet::SubkernelLoadRunReply { .. }
| drtioaux::Packet::SubkernelException { .. }
| drtioaux::Packet::DmaAddTraceReply { .. }
| drtioaux::Packet::DmaPlaybackReply { .. } => {
router.route(reply, routing_table, rank, self_destination);
}
_ => {
drtioaux::send(0, &reply).unwrap();
break;
}
}
}
Ok(())
}
pub fn aux_send(&self, request: &drtioaux::Packet) -> Result<(), drtioaux::Error> {
pub fn aux_forward(&self, request: &drtioaux::Packet, timer: &mut GlobalTimer) -> Result<(), drtioaux::Error> {
if self.state != RepeaterState::Up {
return Err(drtioaux::Error::LinkDown);
}
drtioaux::send(self.auxno, request)
drtioaux::send(self.auxno, request).unwrap();
let reply = self.recv_aux_timeout(200, timer)?;
drtioaux::send(0, &reply).unwrap();
Ok(())
}
pub fn sync_tsc(&self, timer: &mut GlobalTimer) -> Result<(), drtioaux::Error> {
@ -351,15 +302,7 @@ impl Repeater {
Repeater::default()
}
pub fn service(
&self,
_routing_table: &drtio_routing::RoutingTable,
_rank: u8,
_destination: u8,
_router: &mut Router,
_timer: &mut GlobalTimer,
) {
}
pub fn service(&self, _routing_table: &drtio_routing::RoutingTable, _rank: u8, _timer: &mut GlobalTimer) {}
pub fn sync_tsc(&self, _timer: &mut GlobalTimer) -> Result<(), drtioaux::Error> {
Ok(())

173
src/satman/src/routing.rs
View File

@ -1,173 +0,0 @@
use alloc::{collections::vec_deque::VecDeque, vec::Vec};
use core::cmp::min;
#[cfg(has_drtio_routing)]
use libboard_artiq::pl::csr;
use libboard_artiq::{drtio_routing, drtioaux,
drtioaux_proto::{PayloadStatus, MASTER_PAYLOAD_MAX_SIZE}};
pub struct SliceMeta {
pub destination: u8,
pub len: u16,
pub status: PayloadStatus,
}
/* represents data that has to be sent to Master */
#[derive(Debug)]
pub struct Sliceable {
it: usize,
data: Vec<u8>,
destination: u8,
}
macro_rules! get_slice_fn {
($name:tt, $size:expr) => {
pub fn $name(&mut self, data_slice: &mut [u8; $size]) -> SliceMeta {
let first = self.it == 0;
let len = min($size, self.data.len() - self.it);
let last = self.it + len == self.data.len();
let status = PayloadStatus::from_status(first, last);
data_slice[..len].clone_from_slice(&self.data[self.it..self.it + len]);
self.it += len;
SliceMeta {
destination: self.destination,
len: len as u16,
status: status,
}
}
};
}
impl Sliceable {
pub fn new(destination: u8, data: Vec<u8>) -> Sliceable {
Sliceable {
it: 0,
data: data,
destination: destination,
}
}
pub fn at_end(&self) -> bool {
self.it == self.data.len()
}
pub fn extend(&mut self, data: &[u8]) {
self.data.extend(data);
}
get_slice_fn!(get_slice_master, MASTER_PAYLOAD_MAX_SIZE);
}
// Packets from downstream (further satellites) are received and routed appropriately.
// they're passed as soon as possible downstream (within the subtree), or sent upstream,
// which is notified about pending packets.
// for rank 1 (connected to master) satellites, these packets are passed as an answer to DestinationStatusRequest;
// for higher ranks, after getting a notification, it will transact with downstream to get the pending packets.
// forward! macro is not deprecated, as routable packets are only these that can originate
// from both master and satellite, e.g. DDMA and Subkernel.
pub struct Router {
upstream_queue: VecDeque<drtioaux::Packet>,
local_queue: VecDeque<drtioaux::Packet>,
#[cfg(has_drtio_routing)]
downstream_queue: VecDeque<(usize, drtioaux::Packet)>,
}
impl Router {
pub fn new() -> Router {
Router {
upstream_queue: VecDeque::new(),
local_queue: VecDeque::new(),
#[cfg(has_drtio_routing)]
downstream_queue: VecDeque::new(),
}
}
// Called by local sources (DDMA, kernel) and by repeaters on receiving async data;
// messages are always buffered for both upstream and downstream
pub fn route(
&mut self,
packet: drtioaux::Packet,
_routing_table: &drtio_routing::RoutingTable,
_rank: u8,
self_destination: u8,
) {
let destination = packet.routable_destination();
#[cfg(has_drtio_routing)]
{
if let Some(destination) = destination {
let hop = _routing_table.0[destination as usize][_rank as usize] as usize;
if destination == self_destination {
self.local_queue.push_back(packet);
} else if hop > 0 && hop < csr::DRTIOREP.len() {
let repno = (hop - 1) as usize;
self.downstream_queue.push_back((repno, packet));
} else {
self.upstream_queue.push_back(packet);
}
} else {
error!("Received an unroutable packet: {:?}", packet);
}
}
#[cfg(not(has_drtio_routing))]
{
if destination == Some(self_destination) {
self.local_queue.push_back(packet);
} else {
self.upstream_queue.push_back(packet);
}
}
}
// Sends a packet to a required destination, routing if necessary
pub fn send(
&mut self,
packet: drtioaux::Packet,
_routing_table: &drtio_routing::RoutingTable,
_rank: u8,
_destination: u8,
) -> Result<(), drtioaux::Error> {
#[cfg(has_drtio_routing)]
{
let destination = packet.routable_destination();
if let Some(destination) = destination {
let hop = _routing_table.0[destination as usize][_rank as usize] as usize;
if destination == 0 {
// response is needed immediately if master required it
drtioaux::send(0, &packet)?;
} else if !(hop > 0 && hop < csr::DRTIOREP.len()) {
// higher rank can wait
self.upstream_queue.push_back(packet);
} else {
let repno = (hop - 1) as usize;
// transaction will occur at closest possible opportunity
self.downstream_queue.push_back((repno, packet));
}
Ok(())
} else {
// packet not supported in routing, fallback - sent directly
drtioaux::send(0, &packet)
}
}
#[cfg(not(has_drtio_routing))]
{
drtioaux::send(0, &packet)
}
}
pub fn get_upstream_packet(&mut self) -> Option<drtioaux::Packet> {
self.upstream_queue.pop_front()
}
#[cfg(has_drtio_routing)]
pub fn get_downstream_packet(&mut self) -> Option<(usize, drtioaux::Packet)> {
self.downstream_queue.pop_front()
}
pub fn get_local_packet(&mut self) -> Option<drtioaux::Packet> {
self.local_queue.pop_front()
}
}

599
src/satman/src/subkernel.rs
View File

@ -1,55 +1,26 @@
use alloc::{collections::BTreeMap,
use alloc::{collections::{BTreeMap, VecDeque},
format,
string::{String, ToString},
vec::Vec};
use core::{option::NoneError, slice, str};
use core::{cmp::min, option::NoneError, slice, str};
use core_io::{Error as IoError, Write};
use cslice::AsCSlice;
use dma::{Error as DmaError, Manager as DmaManager};
use io::{Cursor, ProtoWrite};
use ksupport::{eh_artiq, kernel, rpc};
use libboard_artiq::{drtio_routing::RoutingTable,
drtioaux,
drtioaux_proto::{PayloadStatus, MASTER_PAYLOAD_MAX_SIZE},
use libboard_artiq::{drtioaux_proto::{MASTER_PAYLOAD_MAX_SIZE, SAT_PAYLOAD_MAX_SIZE},
pl::csr};
use libboard_zynq::{time::Milliseconds, timer::GlobalTimer};
use libcortex_a9::sync_channel::Receiver;
use log::warn;
use routing::{Router, SliceMeta, Sliceable};
#[derive(Debug, Clone, PartialEq)]
enum KernelState {
Absent,
Loaded,
Running,
MsgAwait {
max_time: Option<Milliseconds>,
id: u32,
tags: Vec<u8>,
},
MsgAwait(Milliseconds, Vec<u8>),
MsgSending,
SubkernelAwaitLoad,
SubkernelAwaitFinish {
max_time: Option<Milliseconds>,
id: u32,
},
DmaUploading,
DmaPendingPlayback {
id: u32,
timestamp: u64,
},
DmaPendingAwait {
id: u32,
timestamp: u64,
max_time: Milliseconds,
},
DmaAwait {
max_time: Milliseconds,
},
SubkernelRetrievingException {
destination: u8,
},
}
#[derive(Debug)]
@ -60,9 +31,7 @@ pub enum Error {
NoMessage,
AwaitingMessage,
SubkernelIoError,
DrtioError,
KernelException(Sliceable),
DmaError(DmaError),
}
impl From<NoneError> for Error {
@ -77,38 +46,33 @@ impl From<IoError> for Error {
}
}
impl From<DmaError> for Error {
fn from(value: DmaError) -> Error {
Error::DmaError(value)
}
}
impl From<()> for Error {
fn from(_: ()) -> Error {
Error::NoMessage
}
}
impl From<drtioaux::Error> for Error {
fn from(_value: drtioaux::Error) -> Error {
Error::DrtioError
}
}
macro_rules! unexpected {
($($arg:tt)*) => (return Err(Error::Unexpected(format!($($arg)*))));
}
/* represents data that has to be sent to Master */
#[derive(Debug)]
pub struct Sliceable {
it: usize,
data: Vec<u8>,
}
/* represents interkernel messages */
struct Message {
count: u8,
id: u32,
data: Vec<u8>,
}
#[derive(PartialEq)]
enum OutMessageState {
NoMessage,
MessageReady,
MessageBeingSent,
MessageSent,
MessageAcknowledged,
@ -118,7 +82,7 @@ enum OutMessageState {
struct MessageManager {
out_message: Option<Sliceable>,
out_state: OutMessageState,
in_queue: Vec<Message>,
in_queue: VecDeque<Message>,
in_buffer: Option<Message>,
}
@ -126,11 +90,8 @@ struct MessageManager {
struct Session {
id: u32,
kernel_state: KernelState,
last_exception: Option<Sliceable>, // exceptions raised locally
external_exception: Option<Vec<u8>>, // exceptions from sub-subkernels
last_exception: Option<Sliceable>,
messages: MessageManager,
source: u8, // which destination requested running the kernel
subkernels_finished: Vec<(u32, Option<u8>)>,
}
impl Session {
@ -139,17 +100,14 @@ impl Session {
id: id,
kernel_state: KernelState::Absent,
last_exception: None,
external_exception: None,
messages: MessageManager::new(),
source: 0,
subkernels_finished: Vec::new(),
}
}
fn running(&self) -> bool {
match self.kernel_state {
KernelState::Absent | KernelState::Loaded => false,
_ => true,
KernelState::Running | KernelState::MsgAwait { .. } | KernelState::MsgSending => true,
}
}
}
@ -171,8 +129,40 @@ pub struct Manager<'a> {
pub struct SubkernelFinished {
pub id: u32,
pub with_exception: bool,
pub exception_source: u8,
pub source: u8,
}
pub struct SliceMeta {
pub len: u16,
pub last: bool,
}
macro_rules! get_slice_fn {
($name:tt, $size:expr) => {
pub fn $name(&mut self, data_slice: &mut [u8; $size]) -> SliceMeta {
if self.data.len() == 0 {
return SliceMeta { len: 0, last: true };
}
let len = min($size, self.data.len() - self.it);
let last = self.it + len == self.data.len();
data_slice[..len].clone_from_slice(&self.data[self.it..self.it + len]);
self.it += len;
SliceMeta {
len: len as u16,
last: last,
}
}
};
}
impl Sliceable {
pub fn new(data: Vec<u8>) -> Sliceable {
Sliceable { it: 0, data: data }
}
get_slice_fn!(get_slice_sat, SAT_PAYLOAD_MAX_SIZE);
get_slice_fn!(get_slice_master, MASTER_PAYLOAD_MAX_SIZE);
}
impl MessageManager {
@ -180,35 +170,36 @@ impl MessageManager {
MessageManager {
out_message: None,
out_state: OutMessageState::NoMessage,
in_queue: Vec::new(),
in_queue: VecDeque::new(),
in_buffer: None,
}
}
pub fn handle_incoming(
&mut self,
status: PayloadStatus,
id: u32,
length: usize,
data: &[u8; MASTER_PAYLOAD_MAX_SIZE],
) {
pub fn handle_incoming(&mut self, last: bool, length: usize, data: &[u8; MASTER_PAYLOAD_MAX_SIZE]) {
// called when receiving a message from master
if status.is_first() {
self.in_buffer = None;
}
match self.in_buffer.as_mut() {
Some(message) => message.data.extend(&data[..length]),
None => {
self.in_buffer = Some(Message {
count: data[0],
id: id,
data: data[1..length].to_vec(),
});
}
};
if status.is_last() {
if last {
// when done, remove from working queue
self.in_queue.push(self.in_buffer.take().unwrap());
self.in_queue.push_back(self.in_buffer.take().unwrap());
}
}
pub fn is_outgoing_ready(&mut self) -> bool {
// called by main loop, to see if there's anything to send, will send it afterwards
match self.out_state {
OutMessageState::MessageReady => {
self.out_state = OutMessageState::MessageBeingSent;
true
}
_ => false,
}
}
@ -227,7 +218,7 @@ impl MessageManager {
return None;
}
let meta = self.out_message.as_mut()?.get_slice_master(data_slice);
if meta.status.is_last() {
if meta.last {
// clear the message slot
self.out_message = None;
// notify kernel with a flag that message is sent
@ -251,44 +242,15 @@ impl MessageManager {
}
}
pub fn accept_outgoing(
&mut self,
id: u32,
self_destination: u8,
destination: u8,
message: Vec<u8>,
routing_table: &RoutingTable,
rank: u8,
router: &mut Router,
) -> Result<(), Error> {
self.out_message = Some(Sliceable::new(destination, message));
let mut data_slice: [u8; MASTER_PAYLOAD_MAX_SIZE] = [0; MASTER_PAYLOAD_MAX_SIZE];
self.out_state = OutMessageState::MessageBeingSent;
let meta = self.get_outgoing_slice(&mut data_slice).unwrap();
router.route(
drtioaux::Packet::SubkernelMessage {
source: self_destination,
destination: destination,
id: id,
status: meta.status,
length: meta.len as u16,
data: data_slice,
},
routing_table,
rank,
self_destination,
);
pub fn accept_outgoing(&mut self, message: Vec<u8>) -> Result<(), Error> {
// service tag skipped in kernel
self.out_message = Some(Sliceable::new(message));
self.out_state = OutMessageState::MessageReady;
Ok(())
}
pub fn get_incoming(&mut self, id: u32) -> Option<Message> {
for i in 0..self.in_queue.len() {
if self.in_queue[i].id == id {
return Some(self.in_queue.remove(i));
}
}
None
pub fn get_incoming(&mut self) -> Option<Message> {
self.in_queue.pop_front()
}
}
@ -303,10 +265,10 @@ impl<'a> Manager<'_> {
}
}
pub fn add(&mut self, id: u32, status: PayloadStatus, data: &[u8], data_len: usize) -> Result<(), Error> {
pub fn add(&mut self, id: u32, last: bool, data: &[u8], data_len: usize) -> Result<(), Error> {
let kernel = match self.kernels.get_mut(&id) {
Some(kernel) => {
if kernel.complete || status.is_first() {
if kernel.complete {
// replace entry
self.kernels.remove(&id);
self.kernels.insert(
@ -334,7 +296,7 @@ impl<'a> Manager<'_> {
};
kernel.library.extend(&data[0..data_len]);
kernel.complete = status.is_last();
kernel.complete = last;
Ok(())
}
@ -349,12 +311,12 @@ impl<'a> Manager<'_> {
}
}
pub fn run(&mut self, source: u8, id: u32) -> Result<(), Error> {
pub fn run(&mut self, id: u32) -> Result<(), Error> {
info!("starting subkernel #{}", id);
if self.session.kernel_state != KernelState::Loaded || self.session.id != id {
self.load(id)?;
}
self.session.kernel_state = KernelState::Running;
self.session.source = source;
unsafe {
csr::cri_con::selected_write(2);
}
@ -363,17 +325,11 @@ impl<'a> Manager<'_> {
Ok(())
}
pub fn message_handle_incoming(
&mut self,
status: PayloadStatus,
id: u32,
length: usize,
slice: &[u8; MASTER_PAYLOAD_MAX_SIZE],
) {
pub fn message_handle_incoming(&mut self, last: bool, length: usize, slice: &[u8; MASTER_PAYLOAD_MAX_SIZE]) {
if !self.running() {
return;
}
self.session.messages.handle_incoming(status, id, length, slice);
self.session.messages.handle_incoming(last, length, slice);
}
pub fn message_get_slice(&mut self, slice: &mut [u8; MASTER_PAYLOAD_MAX_SIZE]) -> Option<SliceMeta> {
@ -391,6 +347,10 @@ impl<'a> Manager<'_> {
self.session.messages.ack_slice()
}
pub fn message_is_ready(&mut self) -> bool {
self.session.messages.is_outgoing_ready()
}
pub fn load(&mut self, id: u32) -> Result<(), Error> {
if self.session.id == id && self.session.kernel_state == KernelState::Loaded {
return Ok(());
@ -415,17 +375,17 @@ impl<'a> Manager<'_> {
}
}
pub fn exception_get_slice(&mut self, data_slice: &mut [u8; MASTER_PAYLOAD_MAX_SIZE]) -> SliceMeta {
pub fn exception_get_slice(&mut self, data_slice: &mut [u8; SAT_PAYLOAD_MAX_SIZE]) -> SliceMeta {
match self.session.last_exception.as_mut() {
Some(exception) => exception.get_slice_master(data_slice),
None => SliceMeta {
destination: 0,
len: 0,
status: PayloadStatus::FirstAndLast,
},
Some(exception) => exception.get_slice_sat(data_slice),
None => SliceMeta { len: 0, last: true },
}
}
pub fn get_last_finished(&mut self) -> Option<SubkernelFinished> {
self.last_finished.take()
}
fn kernel_stop(&mut self) {
self.session.kernel_state = KernelState::Absent;
unsafe {
@ -455,97 +415,18 @@ impl<'a> Manager<'_> {
&[],
0,
) {
Ok(_) => self.session.last_exception = Some(Sliceable::new(0, writer.into_inner())),
Ok(_) => self.session.last_exception = Some(Sliceable::new(writer.into_inner())),
Err(_) => error!("Error writing exception data"),
}
self.kernel_stop();
}
pub fn ddma_finished(&mut self, error: u8, channel: u32, timestamp: u64) {
if let KernelState::DmaAwait { .. } = self.session.kernel_state {
self.control.tx.send(kernel::Message::DmaAwaitRemoteReply {
timeout: false,
error: error,
channel: channel,
timestamp: timestamp,
});
self.session.kernel_state = KernelState::Running;
}
}
pub fn ddma_nack(&mut self) {
// for simplicity treat it as a timeout...
if let KernelState::DmaAwait { .. } = self.session.kernel_state {
self.control.tx.send(kernel::Message::DmaAwaitRemoteReply {
timeout: true,
error: 0,
channel: 0,
timestamp: 0,
});
self.session.kernel_state = KernelState::Running;
}
}
pub fn ddma_remote_uploaded(&mut self, succeeded: bool) -> Option<(u32, u64)> {
// returns a tuple of id, timestamp in case a playback needs to be started immediately
if !succeeded {
self.kernel_stop();
self.runtime_exception(Error::DmaError(DmaError::UploadFail));
}
let res = match self.session.kernel_state {
KernelState::DmaPendingPlayback { id, timestamp } => {
self.session.kernel_state = KernelState::Running;
Some((id, timestamp))
}
KernelState::DmaPendingAwait {
id,
timestamp,
max_time,
} => {
self.session.kernel_state = KernelState::DmaAwait { max_time: max_time };
Some((id, timestamp))
}
KernelState::DmaUploading => {
self.session.kernel_state = KernelState::Running;
None
}
_ => None,
};
res
}
pub fn process_kern_requests(
&mut self,
router: &mut Router,
routing_table: &RoutingTable,
rank: u8,
destination: u8,
dma_manager: &mut DmaManager,
timer: &GlobalTimer,
) {
if let Some(subkernel_finished) = self.last_finished.take() {
info!(
"subkernel {} finished, with exception: {}",
subkernel_finished.id, subkernel_finished.with_exception
);
router.route(
drtioaux::Packet::SubkernelFinished {
destination: subkernel_finished.source,
id: subkernel_finished.id,
with_exception: subkernel_finished.with_exception,
exception_src: subkernel_finished.exception_source,
},
&routing_table,
rank,
destination,
);
}
pub fn process_kern_requests(&mut self, rank: u8, timer: GlobalTimer) {
if !self.running() {
return;
}
match self.process_external_messages(router, routing_table, rank, destination, timer) {
match self.process_external_messages(timer) {
Ok(()) => (),
Err(Error::AwaitingMessage) => return, // kernel still waiting, do not process kernel messages
Err(Error::KernelException(exception)) => {
@ -553,8 +434,6 @@ impl<'a> Manager<'_> {
self.last_finished = Some(SubkernelFinished {
id: self.session.id,
with_exception: true,
exception_source: destination,
source: self.session.source,
});
}
Err(e) => {
@ -563,19 +442,15 @@ impl<'a> Manager<'_> {
self.last_finished = Some(SubkernelFinished {
id: self.session.id,
with_exception: true,
exception_source: destination,
source: self.session.source,
});
}
}
match self.process_kern_message(router, routing_table, rank, destination, dma_manager, timer) {
match self.process_kern_message(rank, timer) {
Ok(true) => {
self.last_finished = Some(SubkernelFinished {
id: self.session.id,
with_exception: false,
exception_source: 0,
source: self.session.source,
});
}
Ok(false) | Err(Error::NoMessage) => (),
@ -584,8 +459,6 @@ impl<'a> Manager<'_> {
self.last_finished = Some(SubkernelFinished {
id: self.session.id,
with_exception: true,
exception_source: destination,
source: self.session.source,
});
}
Err(e) => {
@ -594,117 +467,16 @@ impl<'a> Manager<'_> {
self.last_finished = Some(SubkernelFinished {
id: self.session.id,
with_exception: true,
exception_source: destination,
source: self.session.source,
});
}
}
}
fn check_finished_kernels(
&mut self,
id: u32,
router: &mut Router,
routing_table: &RoutingTable,
rank: u8,
self_destination: u8,
) {
for (i, (status, exception_source)) in self.session.subkernels_finished.iter().enumerate() {
if *status == id {
if exception_source.is_none() {
self.control.tx.send(kernel::Message::SubkernelAwaitFinishReply);
self.session.kernel_state = KernelState::Running;
self.session.subkernels_finished.swap_remove(i);
} else {
let destination = exception_source.unwrap();
self.session.external_exception = Some(Vec::new());
self.session.kernel_state = KernelState::SubkernelRetrievingException {
destination: destination,
};
router.route(
drtioaux::Packet::SubkernelExceptionRequest {
source: self_destination,
destination: destination,
},
&routing_table,
rank,
self_destination,
);
}
break;
}
}
}
pub fn subkernel_load_run_reply(&mut self, succeeded: bool) {
if self.session.kernel_state == KernelState::SubkernelAwaitLoad {
self.control
.tx
.send(kernel::Message::SubkernelLoadRunReply { succeeded: succeeded });
self.session.kernel_state = KernelState::Running;
} else {
warn!("received unsolicited SubkernelLoadRunReply");
}
}
pub fn remote_subkernel_finished(&mut self, id: u32, with_exception: bool, exception_source: u8) {
let exception_src = if with_exception { Some(exception_source) } else { None };
self.session.subkernels_finished.push((id, exception_src));
}
pub fn received_exception(
&mut self,
exception_data: &[u8],
last: bool,
router: &mut Router,
routing_table: &RoutingTable,
rank: u8,
self_destination: u8,
) {
if let KernelState::SubkernelRetrievingException { destination } = self.session.kernel_state {
self.session
.external_exception
.as_mut()
.unwrap()
.extend_from_slice(exception_data);
if last {
self.control
.tx
.send(kernel::Message::SubkernelError(kernel::SubkernelStatus::Exception(
self.session.external_exception.take().unwrap(),
)));
self.session.kernel_state = KernelState::Running;
} else {
/* fetch another slice */
router.route(
drtioaux::Packet::SubkernelExceptionRequest {
source: self_destination,
destination: destination,
},
routing_table,
rank,
self_destination,
);
}
} else {
warn!("Received unsolicited exception data");
}
}
fn process_kern_message(
&mut self,
router: &mut Router,
routing_table: &RoutingTable,
rank: u8,
self_destination: u8,
dma_manager: &mut DmaManager,
timer: &GlobalTimer,
) -> Result<bool, Error> {
fn process_kern_message(&mut self, rank: u8, timer: GlobalTimer) -> Result<bool, Error> {
let reply = self.control.rx.try_recv()?;
match reply {
kernel::Message::KernelFinished(_async_errors) => {
self.kernel_stop();
dma_manager.cleanup(router, rank, self_destination, routing_table);
return Ok(true);
}
kernel::Message::KernelException(exceptions, stack_pointers, backtrace, async_errors) => {
@ -721,7 +493,7 @@ impl<'a> Manager<'_> {
Err(_) => error!("Error writing exception data"),
}
self.kernel_stop();
return Err(Error::KernelException(Sliceable::new(0, writer.into_inner())));
return Err(Error::KernelException(Sliceable::new(writer.into_inner())));
}
kernel::Message::CachePutRequest(key, value) => {
self.cache.insert(key, value);
@ -731,117 +503,18 @@ impl<'a> Manager<'_> {
let value = self.cache.get(&key).unwrap_or(&DEFAULT).clone();
self.control.tx.send(kernel::Message::CacheGetReply(value));
}
kernel::Message::DmaPutRequest(recorder) => {
// ddma is always used on satellites
if let Ok(id) = dma_manager.put_record(recorder, self_destination) {
dma_manager.upload_traces(id, router, rank, self_destination, routing_table)?;
self.session.kernel_state = KernelState::DmaUploading;
} else {
unexpected!("DMAError: found an unsupported call to RTIO devices on master")
}
}
kernel::Message::DmaEraseRequest(name) => {
dma_manager.erase_name(&name, router, rank, self_destination, routing_table);
}
kernel::Message::DmaGetRequest(name) => {
let dma_meta = dma_manager.retrieve(self_destination, &name);
self.control.tx.send(kernel::Message::DmaGetReply(dma_meta));
}
kernel::Message::DmaStartRemoteRequest { id, timestamp } => {
if self.session.kernel_state != KernelState::DmaUploading {
dma_manager.playback_remote(
id as u32,
timestamp as u64,
router,
rank,
self_destination,
routing_table,
)?;
} else {
self.session.kernel_state = KernelState::DmaPendingPlayback {
id: id as u32,
timestamp: timestamp as u64,
};
}
}
kernel::Message::DmaAwaitRemoteRequest(_id) => {
let max_time = timer.get_time() + Milliseconds(10000);
self.session.kernel_state = match self.session.kernel_state {
// if we are still waiting for the traces to be uploaded, extend the state by timeout
KernelState::DmaPendingPlayback { id, timestamp } => KernelState::DmaPendingAwait {
id: id,
timestamp: timestamp,
max_time: max_time,
},
_ => KernelState::DmaAwait { max_time: max_time },
};
}
kernel::Message::SubkernelMsgSend {
id: _id,
destination: msg_dest,
data,
} => {
let msg_dest = msg_dest.or(Some(self.session.source)).unwrap();
self.session.messages.accept_outgoing(
self.session.id,
self_destination,
msg_dest,
data,
routing_table,
rank,
router,
)?;
kernel::Message::SubkernelMsgSend { id: _, data } => {
self.session.messages.accept_outgoing(data)?;
self.session.kernel_state = KernelState::MsgSending;
}
kernel::Message::SubkernelMsgRecvRequest { id, timeout, tags } => {
let id = if id == -1 { self.session.id } else { id as u32 };
let max_time = if timeout > 0 {
Some(timer.get_time() + Milliseconds(timeout as u64))
} else {
None
};
self.session.kernel_state = KernelState::MsgAwait {
max_time: max_time,
id: id,
tags: tags,
};
}
kernel::Message::SubkernelLoadRunRequest {
id,
destination: sk_destination,
run,
} => {
self.session.kernel_state = KernelState::SubkernelAwaitLoad;
router.route(
drtioaux::Packet::SubkernelLoadRunRequest {
source: self_destination,
destination: sk_destination,
id: id,
run: run,
},
routing_table,
rank,
self_destination,
);
}
kernel::Message::SubkernelAwaitFinishRequest { id, timeout } => {
let max_time = if timeout > 0 {
Some(timer.get_time() + Milliseconds(timeout as u64))
} else {
None
};
self.session.kernel_state = KernelState::SubkernelAwaitFinish {
max_time: max_time,
id: id,
};
kernel::Message::SubkernelMsgRecvRequest { id: _, timeout, tags } => {
let max_time = timer.get_time() + Milliseconds(timeout);
self.session.kernel_state = KernelState::MsgAwait(max_time, tags);
}
kernel::Message::UpDestinationsRequest(destination) => {
self.control.tx.send(kernel::Message::UpDestinationsReply(
destination == (self_destination as i32),
));
self.control
.tx
.send(kernel::Message::UpDestinationsReply(destination == (rank as i32)));
}
_ => {
unexpected!("unexpected message from core1 while kernel was running: {:?}", reply);
@ -850,35 +523,26 @@ impl<'a> Manager<'_> {
Ok(false)
}
fn process_external_messages(
&mut self,
router: &mut Router,
routing_table: &RoutingTable,
rank: u8,
self_destination: u8,
timer: &GlobalTimer,
) -> Result<(), Error> {
fn process_external_messages(&mut self, timer: GlobalTimer) -> Result<(), Error> {
match &self.session.kernel_state {
KernelState::MsgAwait { max_time, id, tags } => {
if let Some(max_time) = *max_time {
if timer.get_time() > max_time {
self.control
.tx
.send(kernel::Message::SubkernelError(kernel::SubkernelStatus::Timeout));
KernelState::MsgAwait(timeout, tags) => {
if timer.get_time() > *timeout {
self.control.tx.send(kernel::Message::SubkernelMsgRecvReply {
status: kernel::SubkernelStatus::Timeout,
count: 0,
});
self.session.kernel_state = KernelState::Running;
return Ok(());
}
}
if let Some(message) = self.session.messages.get_incoming(*id) {
self.control
.tx
.send(kernel::Message::SubkernelMsgRecvReply { count: message.count });
if let Some(message) = self.session.messages.get_incoming() {
self.control.tx.send(kernel::Message::SubkernelMsgRecvReply {
status: kernel::SubkernelStatus::NoError,
count: message.count,
});
let tags = tags.clone();
self.session.kernel_state = KernelState::Running;
self.pass_message_to_kernel(&message, tags, timer)
} else {
let id = *id;
self.check_finished_kernels(id, router, routing_table, rank, self_destination);
Err(Error::AwaitingMessage)
}
}
@ -891,38 +555,11 @@ impl<'a> Manager<'_> {
Err(Error::AwaitingMessage)
}
}
KernelState::SubkernelAwaitFinish { max_time, id } => {
if let Some(max_time) = *max_time {
if timer.get_time() > max_time {
self.control
.tx
.send(kernel::Message::SubkernelError(kernel::SubkernelStatus::Timeout));
self.session.kernel_state = KernelState::Running;
return Ok(());
}
}
let id = *id;
self.check_finished_kernels(id, router, routing_table, rank, self_destination);
Ok(())
}
KernelState::SubkernelRetrievingException { .. } => Err(Error::AwaitingMessage),
KernelState::DmaAwait { max_time } | KernelState::DmaPendingAwait { max_time, .. } => {
if timer.get_time() > *max_time {
self.control.tx.send(kernel::Message::DmaAwaitRemoteReply {
timeout: true,
error: 0,
channel: 0,
timestamp: 0,
});
self.session.kernel_state = KernelState::Running;
}
Ok(())
}
_ => Ok(()),
}
}
fn pass_message_to_kernel(&mut self, message: &Message, tags: Vec<u8>, timer: &GlobalTimer) -> Result<(), Error> {
fn pass_message_to_kernel(&mut self, message: &Message, tags: Vec<u8>, timer: GlobalTimer) -> Result<(), Error> {
let mut reader = Cursor::new(&message.data);
let mut current_tags: &[u8] = &tags;
let mut i = message.count;
@ -945,7 +582,7 @@ impl<'a> Manager<'_> {
let mut writer = Cursor::new(buf);
match write_exception(&mut writer, exceptions, stack_pointers, backtrace, async_errors) {
Ok(()) => {
exception = Some(Sliceable::new(0, writer.into_inner()));
exception = Some(Sliceable::new(writer.into_inner()));
}
Err(_) => {
unexpected = Some("Error writing exception data".to_string());
@ -1039,7 +676,7 @@ where
fn recv_w_timeout(
rx: &mut Receiver<'_, kernel::Message>,
timer: &GlobalTimer,
timer: GlobalTimer,
timeout: u64,
) -> Result<kernel::Message, Error> {
let max_time = timer.get_time() + Milliseconds(timeout);