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Bare-metal Rust on the Xilinx Zynq ZC706 devkit
396 Commits 3 Branches 0 Tags 780 KiB
Rust 79.8%
Tcl 15.3%
HAProxy 3%
Nix 1.1%
Linker Script 0.6%
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Sebastien Bourdeauducq 21c0c5cbc8 Revert "simplify ps7_init" 
What the simplified ps7_init does can now be reproduced by the DDRC driver.
On the other hand, we are still experiencing crazy Zynq instability issues, so keep the original ps7_init around for debugging.

This reverts commit 9fcf9243f2.
 		2020-07-06 11:55:04 +08:00
.cargo update rust + smoltcp 2019-11-11 00:28:46 +01:00
experiments fix experiments build for Cora 2020-06-28 17:47:33 +08:00
libasync TcpStream: add send_slice() 2020-06-18 01:56:49 +02:00
libboard_zynq Revert "simplify ps7_init" 2020-07-06 11:55:04 +08:00
libcortex_a9 FPU: moved enable function to zc706 2020-07-03 16:02:34 +08:00
libregister finished register definitions 2020-05-01 15:38:07 +08:00
libsupport_zynq libsupport_zynq: make panic handler an optional feature 2020-06-29 10:05:46 +08:00
openocd openocd: fix cora z7-10 PL_TAPID 2020-05-16 01:34:09 +02:00
.gitignore remove zc706.elf from gitignore 2020-01-16 02:13:11 +08:00
Cargo.lock Cargo.lock: cargo update 2020-05-01 01:53:39 +02:00
Cargo.toml Cargo.toml: flip LTO back on to fit OCM 2020-04-10 20:41:16 +02:00
README.md default.nix: fix 2020-01-26 01:45:49 +01:00
armv7-none-eabihf.json define custom target, use with cargo-xbuild 2019-08-06 22:03:04 +02:00
build.sh improved the development process 2020-01-15 05:22:35 +08:00
channel-rust-nightly.toml Cargo.lock: fix 2020-04-25 02:03:57 +02:00
default.nix update cargoSha256 2020-05-03 09:58:58 +08:00
qemu.gdb PoC: boot, uart output in qemu 2019-05-05 14:56:23 +02:00
remote_run.sh add remote run script 2020-06-04 19:57:52 +08:00
runner.sh PoC: boot, uart output in qemu 2019-05-05 14:56:23 +02:00
shell.nix default.nix: build zc706 2019-09-26 17:54:37 +02:00
tmux.sh add support for cora z7 in tmux script 2020-01-24 07:51:29 +08:00

README.md

Build

nix-shell --command "cargo xbuild --release"

Currently the ELF output is placed at target/armv7-none-eabihf/release/experiments

Debug

Using the Xilinx toolchain

Tested with the ZC706 board.

Run the Xilinx Microprocessor Debugger:

/opt/Xilinx/14.7/ISE_DS/EDK/bin/lin64/xmd

Connect to target (given it is connected and you have permissions):

connect arm hw

Leave xmd running.

Start the Xilinx version of the GNU debugger with your latest build:

/opt/Xilinx/14.7/ISE_DS/EDK/gnu/arm/lin/bin/arm-xilinx-linux-gnueabi-gdb zc706

Connect the debugger to xmd over TCP on localhost:

target remote :1234

Proceed using gdb with load, c

Using OpenOCD

Running on the ZC706

nix-shell --command "cargo xbuild --release"
cd openocd
openocd -f zc706.cfg

Running on the Cora Z7-10

nix-shell --command "cd experiments && cargo xbuild --release --no-default-features --features=target_cora_z7_10"
cd openocd
openocd -f cora-z7-10.cfg

Loading a bitstream into volatile memory

  openocd -f zc706.cfg -c "pld load 0 blinker_migen.bit; exit"

Development Process

Clone this repo onto your development/build machine and the raspberry pi that controls the Xilinx 7000 board

On the dev machine, the below script builds zc706 and secure copies it to the target pi (in your pi $HOME directory)

cd ~/zc706
./build.sh $your_user/ssh_id

On the pi, we need an information rich environment that includes a relatively reliable gdb experience (that includes ctrl-p and ctrl-n command history that persists across cgdb executions), run:

ssh pi4
cd zc706
./tmux.sh

Time to run your code with:

zynq-connect
zynq-restart
c

or, for a more succinct experience, (identical to above)

dc
dr
c

After every build on your dev machine, simply run:

dr
c

Sometimes you might need to type load after dr.