M-Labs/artiq-zynq
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firmware: create and apply rustfmt policy

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Co-authored-by: Egor Savkin <es@m-labs.hk>
Co-committed-by: Egor Savkin <es@m-labs.hk>
This commit was merged in pull request #221.
This commit is contained in:
Egor Savkin
2023-02-22 11:02:43 +08:00
committed by sb10q
parent dce37a52aa
commit a519d24074
48 changed files with 2452 additions and 1728 deletions
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19
flake.nix
View File

@@ -253,6 +253,23 @@
'';
};
fmt-check = pkgs.stdenv.mkDerivation {
name = "fmt-check";
nativeBuildInputs = [
rustPlatform.rust.cargo
];
phases = [ "buildPhase" ];
buildPhase =
''
cd ${self}/src
cargo fmt -- --check
touch $out
'';
};
# for hitl-tests
zc706-nist_qc2 = (build { target = "zc706"; variant = "nist_qc2"; });
zc706-hitl-tests = pkgs.stdenv.mkDerivation {
@@ -341,7 +358,7 @@
(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; };
hydraJobs = packages.x86_64-linux // { inherit zc706-hitl-tests; inherit gateware-sim; inherit fmt-check; };
devShell.x86_64-linux = pkgs.mkShell {
name = "artiq-zynq-dev-shell";

15
src/libboard_artiq/src/drtio_routing.rs
View File

@@ -1,9 +1,10 @@
use libconfig::Config;
#[cfg(has_drtio_routing)]
use crate::pl::csr;
use core::fmt;
use log::{warn, info};
use libconfig::Config;
use log::{info, warn};
#[cfg(has_drtio_routing)]
use crate::pl::csr;
#[cfg(has_drtio_routing)]
pub const DEST_COUNT: usize = 256;
@@ -18,7 +19,7 @@ impl RoutingTable {
// default routing table is for star topology with no repeaters
pub fn default_master(default_n_links: usize) -> RoutingTable {
let mut ret = RoutingTable([[INVALID_HOP; MAX_HOPS]; DEST_COUNT]);
let n_entries = default_n_links + 1; // include local RTIO
let n_entries = default_n_links + 1; // include local RTIO
for i in 0..n_entries {
ret.0[i][0] = i as u8;
}
@@ -58,10 +59,10 @@ impl fmt::Display for RoutingTable {
pub fn config_routing_table(default_n_links: usize, cfg: &Config) -> RoutingTable {
let mut ret = RoutingTable::default_master(default_n_links);
if let Ok(data) = cfg.read("routing_table") {
if data.len() == DEST_COUNT*MAX_HOPS {
if data.len() == DEST_COUNT * MAX_HOPS {
for i in 0..DEST_COUNT {
for j in 0..MAX_HOPS {
ret.0[i][j] = data[i*MAX_HOPS+j];
ret.0[i][j] = data[i * MAX_HOPS + j];
}
}
} else {

36
src/libboard_artiq/src/drtioaux.rs
View File

@@ -1,14 +1,12 @@
use core_io::{Error as IoError, ErrorKind as IoErrorKind};
use crc;
use core_io::{ErrorKind as IoErrorKind, Error as IoError};
use io::{proto::ProtoRead, proto::ProtoWrite, Cursor};
use libboard_zynq::{timer::GlobalTimer, time::Milliseconds};
use io::{proto::{ProtoRead, ProtoWrite},
Cursor};
use libboard_zynq::{time::Milliseconds, timer::GlobalTimer};
use libcortex_a9::asm::dmb;
use crate::mem::mem::DRTIOAUX_MEM;
use crate::pl::csr::DRTIOAUX;
use crate::drtioaux_proto::Error as ProtocolError;
pub use crate::drtioaux_proto::Packet;
use crate::{drtioaux_proto::Error as ProtocolError, mem::mem::DRTIOAUX_MEM, pl::csr::DRTIOAUX};
#[derive(Debug)]
pub enum Error {
@@ -21,7 +19,7 @@ pub enum Error {
RoutingError,
Protocol(ProtocolError)
Protocol(ProtocolError),
}
impl From<ProtocolError> for Error {
@@ -63,7 +61,7 @@ pub fn copy_work_buffer(src: *mut u32, dst: *mut u32, len: isize) {
// 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) {
for i in 0..(len / 4) {
*dst.offset(i) = *src.offset(i);
//data memory barrier to prevent bursts
dmb();
@@ -72,8 +70,7 @@ pub fn copy_work_buffer(src: *mut u32, dst: *mut u32, len: isize) {
}
fn receive<F, T>(linkno: u8, f: F) -> Result<Option<T>, Error>
where F: FnOnce(&[u8]) -> Result<T, Error>
{
where F: FnOnce(&[u8]) -> Result<T, Error> {
let linkidx = linkno as usize;
unsafe {
if (DRTIOAUX[linkidx].aux_rx_present_read)() == 1 {
@@ -93,12 +90,12 @@ fn receive<F, T>(linkno: u8, f: F) -> Result<Option<T>, Error>
pub fn recv(linkno: u8) -> Result<Option<Packet>, Error> {
if has_rx_error(linkno) {
return Err(Error::GatewareError)
return Err(Error::GatewareError);
}
receive(linkno, |buffer| {
if buffer.len() < 8 {
return Err(IoError::new(IoErrorKind::UnexpectedEof, "Unexpected end").into())
return Err(IoError::new(IoErrorKind::UnexpectedEof, "Unexpected end").into());
}
let mut reader = Cursor::new(buffer);
@@ -107,7 +104,7 @@ pub fn recv(linkno: u8) -> Result<Option<Packet>, Error> {
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)
return Err(Error::CorruptedPacket);
}
reader.set_position(0);
@@ -115,9 +112,7 @@ pub fn recv(linkno: u8) -> Result<Option<Packet>, Error> {
})
}
pub fn recv_timeout(linkno: u8, timeout_ms: Option<u64>,
timer: GlobalTimer) -> Result<Packet, Error>
{
pub fn recv_timeout(linkno: u8, timeout_ms: Option<u64>, timer: GlobalTimer) -> Result<Packet, Error> {
let timeout_ms = Milliseconds(timeout_ms.unwrap_or(10));
let limit = timer.get_time() + timeout_ms;
while timer.get_time() < limit {
@@ -130,15 +125,14 @@ pub fn recv_timeout(linkno: u8, timeout_ms: Option<u64>,
}
fn transmit<F>(linkno: u8, f: F) -> Result<(), Error>
where F: FnOnce(&mut [u8]) -> Result<usize, Error>
{
where F: FnOnce(&mut [u8]) -> Result<usize, Error> {
let linkno = linkno as usize;
unsafe {
while (DRTIOAUX[linkno].aux_tx_read)() != 0 {}
let ptr = DRTIOAUX_MEM[linkno].base as *mut u32;
let len = DRTIOAUX_MEM[linkno].size / 2;
// work buffer, works with unaligned mem access
let mut buf: [u8; 1024] = [0; 1024];
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);
@@ -152,7 +146,7 @@ pub fn send(linkno: u8, packet: &Packet) -> Result<(), Error> {
let mut writer = Cursor::new(buffer);
packet.write_to(&mut writer)?;
// Pad till offset 4, insert checksum there
let padding = (12 - (writer.position() % 8)) % 8;
for _ in 0..padding {

53
src/libboard_artiq/src/drtioaux_async.rs
View File

@@ -1,18 +1,16 @@
use core_io::{Error as IoError, ErrorKind as IoErrorKind};
use crc;
use core_io::{ErrorKind as IoErrorKind, Error as IoError};
use void::Void;
use io::{proto::{ProtoRead, ProtoWrite},
Cursor};
use libasync::{block_async, task};
use libboard_zynq::{time::Milliseconds, timer::GlobalTimer};
use nb;
use libboard_zynq::{timer::GlobalTimer, time::Milliseconds};
use libasync::{task, block_async};
use io::{proto::ProtoRead, proto::ProtoWrite, Cursor};
use crate::mem::mem::DRTIOAUX_MEM;
use crate::pl::csr::DRTIOAUX;
use crate::drtioaux::{Error, has_rx_error, copy_work_buffer};
use void::Void;
pub use crate::drtioaux_proto::Packet;
use crate::{drtioaux::{copy_work_buffer, has_rx_error, Error},
mem::mem::DRTIOAUX_MEM,
pl::csr::DRTIOAUX};
pub async fn reset(linkno: u8) {
let linkno = linkno as usize;
@@ -29,16 +27,14 @@ fn tx_ready(linkno: usize) -> nb::Result<(), Void> {
unsafe {
if (DRTIOAUX[linkno].aux_tx_read)() != 0 {
Err(nb::Error::WouldBlock)
}
else {
} else {
Ok(())
}
}
}
async fn receive<F, T>(linkno: u8, f: F) -> Result<Option<T>, Error>
where F: FnOnce(&[u8]) -> Result<T, Error>
{
where F: FnOnce(&[u8]) -> Result<T, Error> {
let linkidx = linkno as usize;
unsafe {
if (DRTIOAUX[linkidx].aux_rx_present_read)() == 1 {
@@ -58,12 +54,12 @@ async fn receive<F, T>(linkno: u8, f: F) -> Result<Option<T>, Error>
pub async fn recv(linkno: u8) -> Result<Option<Packet>, Error> {
if has_rx_error(linkno) {
return Err(Error::GatewareError)
return Err(Error::GatewareError);
}
receive(linkno, |buffer| {
if buffer.len() < 8 {
return Err(IoError::new(IoErrorKind::UnexpectedEof, "Unexpected end").into())
return Err(IoError::new(IoErrorKind::UnexpectedEof, "Unexpected end").into());
}
let mut reader = Cursor::new(buffer);
@@ -72,17 +68,16 @@ pub async fn recv(linkno: u8) -> Result<Option<Packet>, Error> {
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)
return Err(Error::CorruptedPacket);
}
reader.set_position(0);
Ok(Packet::read_from(&mut reader)?)
}).await
})
.await
}
pub async fn recv_timeout(linkno: u8, timeout_ms: Option<u64>,
timer: GlobalTimer) -> Result<Packet, Error>
{
pub async fn recv_timeout(linkno: u8, timeout_ms: Option<u64>, timer: GlobalTimer) -> Result<Packet, Error> {
let timeout_ms = Milliseconds(timeout_ms.unwrap_or(10));
let limit = timer.get_time() + timeout_ms;
let mut would_block = false;
@@ -93,7 +88,9 @@ pub async fn recv_timeout(linkno: u8, timeout_ms: Option<u64>,
task::r#yield().await;
}
match recv(linkno).await? {
None => { would_block = true; },
None => {
would_block = true;
}
Some(packet) => return Ok(packet),
}
}
@@ -101,15 +98,14 @@ pub async fn recv_timeout(linkno: u8, timeout_ms: Option<u64>,
}
async fn transmit<F>(linkno: u8, f: F) -> Result<(), Error>
where F: FnOnce(&mut [u8]) -> Result<usize, Error>
{
where F: FnOnce(&mut [u8]) -> Result<usize, Error> {
let linkno = linkno as usize;
unsafe {
let _ = block_async!(tx_ready(linkno)).await;
let ptr = DRTIOAUX_MEM[linkno].base as *mut u32;
let len = DRTIOAUX_MEM[linkno].size / 2;
// work buffer, works with unaligned mem access
let mut buf: [u8; 1024] = [0; 1024];
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);
@@ -123,7 +119,7 @@ pub async fn send(linkno: u8, packet: &Packet) -> Result<(), Error> {
let mut writer = Cursor::new(buffer);
packet.write_to(&mut writer)?;
// Pad till offset 4, insert checksum there
let padding = (12 - (writer.position() % 8)) % 8;
for _ in 0..padding {
@@ -134,5 +130,6 @@ pub async fn send(linkno: u8, packet: &Packet) -> Result<(), Error> {
writer.write_u32(checksum)?;
Ok(writer.position())
}).await
})
.await
}

327
src/libboard_artiq/src/drtioaux_proto.rs
View File

@@ -1,11 +1,10 @@
use core_io::{Write, Read, Error as IoError};
use io::proto::{ProtoWrite, ProtoRead};
use core_io::{Error as IoError, Read, Write};
use io::proto::{ProtoRead, ProtoWrite};
#[derive(Debug)]
pub enum Error {
UnknownPacket(u8),
Io(IoError)
Io(IoError),
}
impl From<IoError> for Error {
@@ -22,45 +21,122 @@ pub enum Packet {
ResetAck,
TSCAck,
DestinationStatusRequest { destination: u8 },
DestinationStatusRequest {
destination: u8,
},
DestinationDownReply,
DestinationOkReply,
DestinationSequenceErrorReply { channel: u16 },
DestinationCollisionReply { channel: u16 },
DestinationBusyReply { channel: u16 },
DestinationSequenceErrorReply {
channel: u16,
},
DestinationCollisionReply {
channel: u16,
},
DestinationBusyReply {
channel: u16,
},
RoutingSetPath { destination: u8, hops: [u8; 32] },
RoutingSetRank { rank: u8 },
RoutingSetPath {
destination: u8,
hops: [u8; 32],
},
RoutingSetRank {
rank: u8,
},
RoutingAck,
MonitorRequest { destination: u8, channel: u16, probe: u8 },
MonitorReply { value: u64 },
InjectionRequest { destination: u8, channel: u16, overrd: u8, value: u8 },
InjectionStatusRequest { destination: u8, channel: u16, overrd: u8 },
InjectionStatusReply { value: u8 },
MonitorRequest {
destination: u8,
channel: u16,
probe: u8,
},
MonitorReply {
value: u64,
},
InjectionRequest {
destination: u8,
channel: u16,
overrd: u8,
value: u8,
},
InjectionStatusRequest {
destination: u8,
channel: u16,
overrd: u8,
},
InjectionStatusReply {
value: u8,
},
I2cStartRequest { destination: u8, busno: u8 },
I2cRestartRequest { destination: u8, busno: u8 },
I2cStopRequest { destination: u8, busno: u8 },
I2cWriteRequest { destination: u8, busno: u8, data: u8 },
I2cWriteReply { succeeded: bool, ack: bool },
I2cReadRequest { destination: u8, busno: u8, ack: bool },
I2cReadReply { succeeded: bool, data: u8 },
I2cBasicReply { succeeded: bool },
I2cSwitchSelectRequest { destination: u8, busno: u8, address: u8, mask: u8 },
SpiSetConfigRequest { destination: u8, busno: u8, flags: u8, length: u8, div: u8, cs: u8 },
SpiWriteRequest { destination: u8, busno: u8, data: u32 },
SpiReadRequest { destination: u8, busno: u8 },
SpiReadReply { succeeded: bool, data: u32 },
SpiBasicReply { succeeded: bool },
I2cStartRequest {
destination: u8,
busno: u8,
},
I2cRestartRequest {
destination: u8,
busno: u8,
},
I2cStopRequest {
destination: u8,
busno: u8,
},
I2cWriteRequest {
destination: u8,
busno: u8,
data: u8,
},
I2cWriteReply {
succeeded: bool,
ack: bool,
},
I2cReadRequest {
destination: u8,
busno: u8,
ack: bool,
},
I2cReadReply {
succeeded: bool,
data: u8,
},
I2cBasicReply {
succeeded: bool,
},
I2cSwitchSelectRequest {
destination: u8,
busno: u8,
address: u8,
mask: u8,
},
SpiSetConfigRequest {
destination: u8,
busno: u8,
flags: u8,
length: u8,
div: u8,
cs: u8,
},
SpiWriteRequest {
destination: u8,
busno: u8,
data: u32,
},
SpiReadRequest {
destination: u8,
busno: u8,
},
SpiReadReply {
succeeded: bool,
data: u32,
},
SpiBasicReply {
succeeded: bool,
},
}
impl Packet {
pub fn read_from<R>(reader: &mut R) -> Result<Self, Error>
where R: Read + ?Sized
{
where R: Read + ?Sized {
Ok(match reader.read_u8()? {
0x00 => Packet::EchoRequest,
0x01 => Packet::EchoReply,
@@ -69,18 +145,18 @@ impl Packet {
0x04 => Packet::TSCAck,
0x20 => Packet::DestinationStatusRequest {
destination: reader.read_u8()?
destination: reader.read_u8()?,
},
0x21 => Packet::DestinationDownReply,
0x22 => Packet::DestinationOkReply,
0x23 => Packet::DestinationSequenceErrorReply {
channel: reader.read_u16()?
channel: reader.read_u16()?,
},
0x24 => Packet::DestinationCollisionReply {
channel: reader.read_u16()?
channel: reader.read_u16()?,
},
0x25 => Packet::DestinationBusyReply {
channel: reader.read_u16()?
channel: reader.read_u16()?,
},
0x30 => {
@@ -89,75 +165,75 @@ impl Packet {
reader.read_exact(&mut hops)?;
Packet::RoutingSetPath {
destination: destination,
hops: hops
hops: hops,
}
},
}
0x31 => Packet::RoutingSetRank {
rank: reader.read_u8()?
rank: reader.read_u8()?,
},
0x32 => Packet::RoutingAck,
0x40 => Packet::MonitorRequest {
destination: reader.read_u8()?,
channel: reader.read_u16()?,
probe: reader.read_u8()?
probe: reader.read_u8()?,
},
0x41 => Packet::MonitorReply {
value: reader.read_u64()?
value: reader.read_u64()?,
},
0x50 => Packet::InjectionRequest {
destination: reader.read_u8()?,
channel: reader.read_u16()?,
overrd: reader.read_u8()?,
value: reader.read_u8()?
value: reader.read_u8()?,
},
0x51 => Packet::InjectionStatusRequest {
destination: reader.read_u8()?,
channel: reader.read_u16()?,
overrd: reader.read_u8()?
overrd: reader.read_u8()?,
},
0x52 => Packet::InjectionStatusReply {
value: reader.read_u8()?
value: reader.read_u8()?,
},
0x80 => Packet::I2cStartRequest {
destination: reader.read_u8()?,
busno: reader.read_u8()?
busno: reader.read_u8()?,
},
0x81 => Packet::I2cRestartRequest {
destination: reader.read_u8()?,
busno: reader.read_u8()?
busno: reader.read_u8()?,
},
0x82 => Packet::I2cStopRequest {
destination: reader.read_u8()?,
busno: reader.read_u8()?
busno: reader.read_u8()?,
},
0x83 => Packet::I2cWriteRequest {
destination: reader.read_u8()?,
busno: reader.read_u8()?,
data: reader.read_u8()?
data: reader.read_u8()?,
},
0x84 => Packet::I2cWriteReply {
succeeded: reader.read_bool()?,
ack: reader.read_bool()?
ack: reader.read_bool()?,
},
0x85 => Packet::I2cReadRequest {
destination: reader.read_u8()?,
busno: reader.read_u8()?,
ack: reader.read_bool()?
ack: reader.read_bool()?,
},
0x86 => Packet::I2cReadReply {
succeeded: reader.read_bool()?,
data: reader.read_u8()?
data: reader.read_u8()?,
},
0x87 => Packet::I2cBasicReply {
succeeded: reader.read_bool()?
succeeded: reader.read_bool()?,
},
0x88 => Packet::I2cSwitchSelectRequest {
destination: reader.read_u8()?,
busno: reader.read_u8()?,
address: reader.read_u8()?,
mask: reader.read_u8()?
mask: reader.read_u8()?,
},
0x90 => Packet::SpiSetConfigRequest {
@@ -166,157 +242,180 @@ impl Packet {
flags: reader.read_u8()?,
length: reader.read_u8()?,
div: reader.read_u8()?,
cs: reader.read_u8()?
cs: reader.read_u8()?,
},
/* 0x91: was Packet::SpiSetXferRequest */
0x92 => Packet::SpiWriteRequest {
destination: reader.read_u8()?,
busno: reader.read_u8()?,
data: reader.read_u32()?
data: reader.read_u32()?,
},
0x93 => Packet::SpiReadRequest {
destination: reader.read_u8()?,
busno: reader.read_u8()?
busno: reader.read_u8()?,
},
0x94 => Packet::SpiReadReply {
succeeded: reader.read_bool()?,
data: reader.read_u32()?
data: reader.read_u32()?,
},
0x95 => Packet::SpiBasicReply {
succeeded: reader.read_bool()?
succeeded: reader.read_bool()?,
},
ty => return Err(Error::UnknownPacket(ty))
ty => return Err(Error::UnknownPacket(ty)),
})
}
pub fn write_to<W>(&self, writer: &mut W) -> Result<(), IoError>
where W: Write + ?Sized
{
where W: Write + ?Sized {
match *self {
Packet::EchoRequest =>
writer.write_u8(0x00)?,
Packet::EchoReply =>
writer.write_u8(0x01)?,
Packet::ResetRequest =>
writer.write_u8(0x02)?,
Packet::ResetAck =>
writer.write_u8(0x03)?,
Packet::TSCAck =>
writer.write_u8(0x04)?,
Packet::EchoRequest => writer.write_u8(0x00)?,
Packet::EchoReply => writer.write_u8(0x01)?,
Packet::ResetRequest => writer.write_u8(0x02)?,
Packet::ResetAck => writer.write_u8(0x03)?,
Packet::TSCAck => writer.write_u8(0x04)?,
Packet::DestinationStatusRequest { destination } => {
writer.write_u8(0x20)?;
writer.write_u8(destination)?;
},
Packet::DestinationDownReply =>
writer.write_u8(0x21)?,
Packet::DestinationOkReply =>
writer.write_u8(0x22)?,
}
Packet::DestinationDownReply => writer.write_u8(0x21)?,
Packet::DestinationOkReply => writer.write_u8(0x22)?,
Packet::DestinationSequenceErrorReply { channel } => {
writer.write_u8(0x23)?;
writer.write_u16(channel)?;
},
}
Packet::DestinationCollisionReply { channel } => {
writer.write_u8(0x24)?;
writer.write_u16(channel)?;
},
}
Packet::DestinationBusyReply { channel } => {
writer.write_u8(0x25)?;
writer.write_u16(channel)?;
},
}
Packet::RoutingSetPath { destination, hops } => {
writer.write_u8(0x30)?;
writer.write_u8(destination)?;
writer.write_all(&hops)?;
},
}
Packet::RoutingSetRank { rank } => {
writer.write_u8(0x31)?;
writer.write_u8(rank)?;
},
Packet::RoutingAck =>
writer.write_u8(0x32)?,
}
Packet::RoutingAck => writer.write_u8(0x32)?,
Packet::MonitorRequest { destination, channel, probe } => {
Packet::MonitorRequest {
destination,
channel,
probe,
} => {
writer.write_u8(0x40)?;
writer.write_u8(destination)?;
writer.write_u16(channel)?;
writer.write_u8(probe)?;
},
}
Packet::MonitorReply { value } => {
writer.write_u8(0x41)?;
writer.write_u64(value)?;
},
Packet::InjectionRequest { destination, channel, overrd, value } => {
}
Packet::InjectionRequest {
destination,
channel,
overrd,
value,
} => {
writer.write_u8(0x50)?;
writer.write_u8(destination)?;
writer.write_u16(channel)?;
writer.write_u8(overrd)?;
writer.write_u8(value)?;
},
Packet::InjectionStatusRequest { destination, channel, overrd } => {
}
Packet::InjectionStatusRequest {
destination,
channel,
overrd,
} => {
writer.write_u8(0x51)?;
writer.write_u8(destination)?;
writer.write_u16(channel)?;
writer.write_u8(overrd)?;
},
}
Packet::InjectionStatusReply { value } => {
writer.write_u8(0x52)?;
writer.write_u8(value)?;
},
}
Packet::I2cStartRequest { destination, busno } => {
writer.write_u8(0x80)?;
writer.write_u8(destination)?;
writer.write_u8(busno)?;
},
}
Packet::I2cRestartRequest { destination, busno } => {
writer.write_u8(0x81)?;
writer.write_u8(destination)?;
writer.write_u8(busno)?;
},
}
Packet::I2cStopRequest { destination, busno } => {
writer.write_u8(0x82)?;
writer.write_u8(destination)?;
writer.write_u8(busno)?;
},
Packet::I2cWriteRequest { destination, busno, data } => {
}
Packet::I2cWriteRequest {
destination,
busno,
data,
} => {
writer.write_u8(0x83)?;
writer.write_u8(destination)?;
writer.write_u8(busno)?;
writer.write_u8(data)?;
},
}
Packet::I2cWriteReply { succeeded, ack } => {
writer.write_u8(0x84)?;
writer.write_bool(succeeded)?;
writer.write_bool(ack)?;
},
Packet::I2cReadRequest { destination, busno, ack } => {
}
Packet::I2cReadRequest {
destination,
busno,
ack,
} => {
writer.write_u8(0x85)?;
writer.write_u8(destination)?;
writer.write_u8(busno)?;
writer.write_bool(ack)?;
},
}
Packet::I2cReadReply { succeeded, data } => {
writer.write_u8(0x86)?;
writer.write_bool(succeeded)?;
writer.write_u8(data)?;
},
}
Packet::I2cBasicReply { succeeded } => {
writer.write_u8(0x87)?;
writer.write_bool(succeeded)?;
},
Packet::I2cSwitchSelectRequest { destination, busno, address, mask } => {
}
Packet::I2cSwitchSelectRequest {
destination,
busno,
address,
mask,
} => {
writer.write_u8(0x88)?;
writer.write_u8(destination)?;
writer.write_u8(busno)?;
writer.write_u8(address)?;
writer.write_u8(mask)?;
},
}
Packet::SpiSetConfigRequest { destination, busno, flags, length, div, cs } => {
Packet::SpiSetConfigRequest {
destination,
busno,
flags,
length,
div,
cs,
} => {
writer.write_u8(0x90)?;
writer.write_u8(destination)?;
writer.write_u8(busno)?;
@@ -324,30 +423,32 @@ impl Packet {
writer.write_u8(length)?;
writer.write_u8(div)?;
writer.write_u8(cs)?;
},
Packet::SpiWriteRequest { destination, busno, data } => {
}
Packet::SpiWriteRequest {
destination,
busno,
data,
} => {
writer.write_u8(0x92)?;
writer.write_u8(destination)?;
writer.write_u8(busno)?;
writer.write_u32(data)?;
},
}
Packet::SpiReadRequest { destination, busno } => {
writer.write_u8(0x93)?;
writer.write_u8(destination)?;
writer.write_u8(busno)?;
},
}
Packet::SpiReadReply { succeeded, data } => {
writer.write_u8(0x94)?;
writer.write_bool(succeeded)?;
writer.write_u32(data)?;
},
}
Packet::SpiBasicReply { succeeded } => {
writer.write_u8(0x95)?;
writer.write_bool(succeeded)?;
},
}
}
Ok(())
}
}

7
src/libboard_artiq/src/io_expander.rs
View File

@@ -19,10 +19,8 @@ pub struct IoExpander<'a> {
registers: Registers,
}
impl<'a> IoExpander<'a> {
pub fn new(i2c: &'a mut i2c::I2c, index: u8) -> Result<Self, &'static str> {
// Both expanders on SHARED I2C bus
let mut io_expander = match index {
0 => IoExpander {
@@ -54,10 +52,7 @@ impl<'a> IoExpander<'a> {
_ => return Err("incorrect I/O expander index"),
};
if !io_expander.check_ack()? {
info!(
"MCP23017 io expander {} not found. Checking for PCA9539.",
index
);
info!("MCP23017 io expander {} not found. Checking for PCA9539.", index);
io_expander.address += 0xa8; // translate to PCA9539 addresses (see schematic)
io_expander.registers = Registers {
iodira: 0x06,

28
src/libboard_artiq/src/lib.rs
View File

@@ -1,34 +1,36 @@
#![no_std]
#![feature(never_type)]
extern crate log;
extern crate core_io;
extern crate crc;
extern crate embedded_hal;
extern crate core_io;
extern crate io;
extern crate libasync;
extern crate libboard_zynq;
extern crate libregister;
extern crate libconfig;
extern crate libcortex_a9;
extern crate libasync;
extern crate libregister;
extern crate log;
extern crate log_buffer;
#[path = "../../../build/pl.rs"]
pub mod pl;
pub mod drtioaux_proto;
pub mod drtio_routing;
pub mod logger;
#[cfg(has_si5324)]
pub mod si5324;
#[cfg(has_drtio)]
pub mod drtioaux;
#[cfg(has_drtio)]
pub mod drtioaux_async;
#[cfg(has_drtio)]
#[path = "../../../build/mem.rs"]
pub mod mem;
pub mod drtioaux_proto;
#[cfg(feature = "target_kasli_soc")]
pub mod io_expander;
pub mod logger;
#[cfg(has_drtio)]
#[rustfmt::skip]
#[path = "../../../build/mem.rs"]
pub mod mem;
#[rustfmt::skip]
#[path = "../../../build/pl.rs"]
pub mod pl;
#[cfg(has_si5324)]
pub mod si5324;
use core::{cmp, str};

56
src/libboard_artiq/src/logger.rs
View File

@@ -1,13 +1,13 @@
use core::cell::Cell;
use core::fmt::Write;
use log::{Log, LevelFilter};
use log_buffer::LogBuffer;
use libcortex_a9::mutex::{Mutex, MutexGuard};
use core::{cell::Cell, fmt::Write};
use libboard_zynq::{println, timer::GlobalTimer};
use libcortex_a9::mutex::{Mutex, MutexGuard};
use log::{LevelFilter, Log};
use log_buffer::LogBuffer;
pub struct LogBufferRef<'a> {
buffer: MutexGuard<'a, LogBuffer<&'static mut [u8]>>,
old_log_level: LevelFilter
buffer: MutexGuard<'a, LogBuffer<&'static mut [u8]>>,
old_log_level: LevelFilter,
}
impl<'a> LogBufferRef<'a> {
@@ -37,7 +37,7 @@ impl<'a> Drop for LogBufferRef<'a> {
}
pub struct BufferLogger {
buffer: Mutex<LogBuffer<&'static mut [u8]>>,
buffer: Mutex<LogBuffer<&'static mut [u8]>>,
uart_filter: Cell<LevelFilter>,
buffer_filter: Cell<LevelFilter>,
}
@@ -56,8 +56,7 @@ impl BufferLogger {
pub fn register(self) {
unsafe {
LOGGER = Some(self);
log::set_logger(LOGGER.as_ref().unwrap())
.expect("global logger can only be initialized once");
log::set_logger(LOGGER.as_ref().unwrap()).expect("global logger can only be initialized once");
}
}
@@ -66,9 +65,7 @@ impl BufferLogger {
}
pub fn buffer<'a>(&'a self) -> Option<LogBufferRef<'a>> {
self.buffer
.try_lock()
.map(LogBufferRef::new)
self.buffer.try_lock().map(LogBufferRef::new)
}
pub fn uart_log_level(&self) -> LevelFilter {
@@ -99,25 +96,36 @@ impl Log for BufferLogger {
fn log(&self, record: &log::Record) {
if self.enabled(record.metadata()) {
let timestamp = unsafe {
GlobalTimer::get()
}.get_us().0;
let seconds = timestamp / 1_000_000;
let micros = timestamp % 1_000_000;
let timestamp = unsafe { GlobalTimer::get() }.get_us().0;
let seconds = timestamp / 1_000_000;
let micros = timestamp % 1_000_000;
if record.level() <= self.buffer_log_level() {
let mut buffer = self.buffer.lock();
writeln!(buffer, "[{:6}.{:06}s] {:>5}({}): {}", seconds, micros,
record.level(), record.target(), record.args()).unwrap();
writeln!(
buffer,
"[{:6}.{:06}s] {:>5}({}): {}",
seconds,
micros,
record.level(),
record.target(),
record.args()
)
.unwrap();
}
if record.level() <= self.uart_log_level() {
println!("[{:6}.{:06}s] {:>5}({}): {}", seconds, micros,
record.level(), record.target(), record.args());
println!(
"[{:6}.{:06}s] {:>5}({}): {}",
seconds,
micros,
record.level(),
record.target(),
record.args()
);
}
}
}
fn flush(&self) {
}
fn flush(&self) {}
}

165
src/libboard_artiq/src/si5324.rs
View File

@@ -1,7 +1,9 @@
use core::result;
use log::info;
use libboard_zynq::{i2c::I2c, timer::GlobalTimer, time::Milliseconds};
use embedded_hal::blocking::delay::DelayUs;
use libboard_zynq::{i2c::I2c, time::Milliseconds, timer::GlobalTimer};
use log::info;
#[cfg(not(si5324_soft_reset))]
use crate::pl::csr;
@@ -11,9 +13,13 @@ const ADDRESS: u8 = 0x68;
#[cfg(not(si5324_soft_reset))]
fn hard_reset(timer: &mut GlobalTimer) {
unsafe { csr::si5324_rst_n::out_write(0); }
unsafe {
csr::si5324_rst_n::out_write(0);
}
timer.delay_us(1_000);
unsafe { csr::si5324_rst_n::out_write(1); }
unsafe {
csr::si5324_rst_n::out_write(1);
}
timer.delay_us(10_000);
}
@@ -29,7 +35,7 @@ pub struct FrequencySettings {
pub n31: u32,
pub n32: u32,
pub bwsel: u8,
pub crystal_as_ckin2: bool
pub crystal_as_ckin2: bool,
}
pub enum Input {
@@ -39,52 +45,52 @@ pub enum Input {
fn map_frequency_settings(settings: &FrequencySettings) -> Result<FrequencySettings> {
if settings.nc1_ls != 0 && (settings.nc1_ls % 2) == 1 {
return Err("NC1_LS must be 0 or even")
return Err("NC1_LS must be 0 or even");
}
if settings.nc1_ls > (1 << 20) {
return Err("NC1_LS is too high")
return Err("NC1_LS is too high");
}
if (settings.n2_ls % 2) == 1 {
return Err("N2_LS must be even")
return Err("N2_LS must be even");
}
if settings.n2_ls > (1 << 20) {
return Err("N2_LS is too high")
return Err("N2_LS is too high");
}
if settings.n31 > (1 << 19) {
return Err("N31 is too high")
return Err("N31 is too high");
}
if settings.n32 > (1 << 19) {
return Err("N32 is too high")
return Err("N32 is too high");
}
let r = FrequencySettings {
n1_hs: match settings.n1_hs {
4 => 0b000,
5 => 0b001,
6 => 0b010,
7 => 0b011,
8 => 0b100,
9 => 0b101,
4 => 0b000,
5 => 0b001,
6 => 0b010,
7 => 0b011,
8 => 0b100,
9 => 0b101,
10 => 0b110,
11 => 0b111,
_ => return Err("N1_HS has an invalid value")
_ => return Err("N1_HS has an invalid value"),
},
nc1_ls: settings.nc1_ls - 1,
n2_hs: match settings.n2_hs {
4 => 0b000,
5 => 0b001,
6 => 0b010,
7 => 0b011,
8 => 0b100,
9 => 0b101,
4 => 0b000,
5 => 0b001,
6 => 0b010,
7 => 0b011,
8 => 0b100,
9 => 0b101,
10 => 0b110,
11 => 0b111,
_ => return Err("N2_HS has an invalid value")
_ => return Err("N2_HS has an invalid value"),
},
n2_ls: settings.n2_ls - 1,
n31: settings.n31 - 1,
n32: settings.n32 - 1,
bwsel: settings.bwsel,
crystal_as_ckin2: settings.crystal_as_ckin2
crystal_as_ckin2: settings.crystal_as_ckin2,
};
Ok(r)
}
@@ -92,13 +98,13 @@ fn map_frequency_settings(settings: &FrequencySettings) -> Result<FrequencySetti
fn write(i2c: &mut I2c, reg: u8, val: u8) -> Result<()> {
i2c.start().unwrap();
if !i2c.write(ADDRESS << 1).unwrap() {
return Err("Si5324 failed to ack write address")
return Err("Si5324 failed to ack write address");
}
if !i2c.write(reg).unwrap() {
return Err("Si5324 failed to ack register")
return Err("Si5324 failed to ack register");
}
if !i2c.write(val).unwrap() {
return Err("Si5324 failed to ack value")
return Err("Si5324 failed to ack value");
}
i2c.stop().unwrap();
Ok(())
@@ -108,10 +114,10 @@ fn write(i2c: &mut I2c, reg: u8, val: u8) -> Result<()> {
fn write_no_ack_value(i2c: &mut I2c, reg: u8, val: u8) -> Result<()> {
i2c.start().unwrap();
if !i2c.write(ADDRESS << 1).unwrap() {
return Err("Si5324 failed to ack write address")
return Err("Si5324 failed to ack write address");
}
if !i2c.write(reg).unwrap() {
return Err("Si5324 failed to ack register")
return Err("Si5324 failed to ack register");
}
i2c.write(val).unwrap();
i2c.stop().unwrap();
@@ -121,22 +127,22 @@ fn write_no_ack_value(i2c: &mut I2c, reg: u8, val: u8) -> Result<()> {
fn read(i2c: &mut I2c, reg: u8) -> Result<u8> {
i2c.start().unwrap();
if !i2c.write(ADDRESS << 1).unwrap() {
return Err("Si5324 failed to ack write address")
return Err("Si5324 failed to ack write address");
}
if !i2c.write(reg).unwrap() {
return Err("Si5324 failed to ack register")
return Err("Si5324 failed to ack register");
}
i2c.restart().unwrap();
if !i2c.write((ADDRESS << 1) | 1).unwrap() {
return Err("Si5324 failed to ack read address")
return Err("Si5324 failed to ack read address");
}
let val = i2c.read(false).unwrap();
i2c.stop().unwrap();
Ok(val)
}
fn rmw<F>(i2c: &mut I2c, reg: u8, f: F) -> Result<()> where
F: Fn(u8) -> u8 {
fn rmw<F>(i2c: &mut I2c, reg: u8, f: F) -> Result<()>
where F: Fn(u8) -> u8 {
let value = read(i2c, reg)?;
write(i2c, reg, f(value))?;
Ok(())
@@ -155,18 +161,18 @@ fn soft_reset(i2c: &mut I2c, timer: &mut GlobalTimer) -> Result<()> {
}
fn has_xtal(i2c: &mut I2c) -> Result<bool> {
Ok((read(i2c, 129)? & 0x01) == 0) // LOSX_INT=0
Ok((read(i2c, 129)? & 0x01) == 0) // LOSX_INT=0
}
fn has_ckin(i2c: &mut I2c, input: Input) -> Result<bool> {
match input {
Input::Ckin1 => Ok((read(i2c, 129)? & 0x02) == 0), // LOS1_INT=0
Input::Ckin2 => Ok((read(i2c, 129)? & 0x04) == 0), // LOS2_INT=0
Input::Ckin1 => Ok((read(i2c, 129)? & 0x02) == 0), // LOS1_INT=0
Input::Ckin2 => Ok((read(i2c, 129)? & 0x04) == 0), // LOS2_INT=0
}
}
fn locked(i2c: &mut I2c) -> Result<bool> {
Ok((read(i2c, 130)? & 0x01) == 0) // LOL_INT=0
Ok((read(i2c, 130)? & 0x01) == 0) // LOL_INT=0
}
fn monitor_lock(i2c: &mut I2c, timer: &mut GlobalTimer) -> Result<()> {
@@ -211,11 +217,11 @@ pub fn bypass(i2c: &mut I2c, input: Input, timer: &mut GlobalTimer) -> Result<()
Input::Ckin2 => 0b01,
};
init(i2c, timer)?;
rmw(i2c, 21, |v| v & 0xfe)?; // CKSEL_PIN=0
rmw(i2c, 3, |v| (v & 0x3f) | (cksel_reg << 6))?; // CKSEL_REG
rmw(i2c, 4, |v| (v & 0x3f) | (0b00 << 6))?; // AUTOSEL_REG=b00
rmw(i2c, 6, |v| (v & 0xc0) | 0b111111)?; // SFOUT2_REG=b111 SFOUT1_REG=b111
rmw(i2c, 0, |v| (v & 0xfd) | 0x02)?; // BYPASS_REG=1
rmw(i2c, 21, |v| v & 0xfe)?; // CKSEL_PIN=0
rmw(i2c, 3, |v| (v & 0x3f) | (cksel_reg << 6))?; // CKSEL_REG
rmw(i2c, 4, |v| (v & 0x3f) | (0b00 << 6))?; // AUTOSEL_REG=b00
rmw(i2c, 6, |v| (v & 0xc0) | 0b111111)?; // SFOUT2_REG=b111 SFOUT1_REG=b111
rmw(i2c, 0, |v| (v & 0xfd) | 0x02)?; // BYPASS_REG=1
Ok(())
}
@@ -228,31 +234,31 @@ pub fn setup(i2c: &mut I2c, settings: &FrequencySettings, input: Input, timer: &
init(i2c, timer)?;
if settings.crystal_as_ckin2 {
rmw(i2c, 0, |v| v | 0x40)?; // FREE_RUN=1
rmw(i2c, 0, |v| v | 0x40)?; // FREE_RUN=1
}
rmw(i2c, 2, |v| (v & 0x0f) | (s.bwsel << 4))?;
rmw(i2c, 21, |v| v & 0xfe)?; // CKSEL_PIN=0
rmw(i2c, 3, |v| (v & 0x2f) | (cksel_reg << 6) | 0x10)?; // CKSEL_REG, SQ_ICAL=1
rmw(i2c, 4, |v| (v & 0x3f) | (0b00 << 6))?; // AUTOSEL_REG=b00
rmw(i2c, 6, |v| (v & 0xc0) | 0b111111)?; // SFOUT2_REG=b111 SFOUT1_REG=b111
write(i2c, 25, (s.n1_hs << 5 ) as u8)?;
write(i2c, 31, (s.nc1_ls >> 16) as u8)?;
write(i2c, 32, (s.nc1_ls >> 8 ) as u8)?;
write(i2c, 33, (s.nc1_ls) as u8)?;
write(i2c, 34, (s.nc1_ls >> 16) as u8)?; // write to NC2_LS as well
write(i2c, 35, (s.nc1_ls >> 8 ) as u8)?;
write(i2c, 36, (s.nc1_ls) as u8)?;
write(i2c, 40, (s.n2_hs << 5 ) as u8 | (s.n2_ls >> 16) as u8)?;
write(i2c, 41, (s.n2_ls >> 8 ) as u8)?;
write(i2c, 42, (s.n2_ls) as u8)?;
write(i2c, 43, (s.n31 >> 16) as u8)?;
write(i2c, 44, (s.n31 >> 8) as u8)?;
write(i2c, 45, (s.n31) as u8)?;
write(i2c, 46, (s.n32 >> 16) as u8)?;
write(i2c, 47, (s.n32 >> 8) as u8)?;
write(i2c, 48, (s.n32) as u8)?;
rmw(i2c, 137, |v| v | 0x01)?; // FASTLOCK=1
rmw(i2c, 136, |v| v | 0x40)?; // ICAL=1
rmw(i2c, 2, |v| (v & 0x0f) | (s.bwsel << 4))?;
rmw(i2c, 21, |v| v & 0xfe)?; // CKSEL_PIN=0
rmw(i2c, 3, |v| (v & 0x2f) | (cksel_reg << 6) | 0x10)?; // CKSEL_REG, SQ_ICAL=1
rmw(i2c, 4, |v| (v & 0x3f) | (0b00 << 6))?; // AUTOSEL_REG=b00
rmw(i2c, 6, |v| (v & 0xc0) | 0b111111)?; // SFOUT2_REG=b111 SFOUT1_REG=b111
write(i2c, 25, (s.n1_hs << 5) as u8)?;
write(i2c, 31, (s.nc1_ls >> 16) as u8)?;
write(i2c, 32, (s.nc1_ls >> 8) as u8)?;
write(i2c, 33, (s.nc1_ls) as u8)?;
write(i2c, 34, (s.nc1_ls >> 16) as u8)?; // write to NC2_LS as well
write(i2c, 35, (s.nc1_ls >> 8) as u8)?;
write(i2c, 36, (s.nc1_ls) as u8)?;
write(i2c, 40, (s.n2_hs << 5) as u8 | (s.n2_ls >> 16) as u8)?;
write(i2c, 41, (s.n2_ls >> 8) as u8)?;
write(i2c, 42, (s.n2_ls) as u8)?;
write(i2c, 43, (s.n31 >> 16) as u8)?;
write(i2c, 44, (s.n31 >> 8) as u8)?;
write(i2c, 45, (s.n31) as u8)?;
write(i2c, 46, (s.n32 >> 16) as u8)?;
write(i2c, 47, (s.n32 >> 8) as u8)?;
write(i2c, 48, (s.n32) as u8)?;
rmw(i2c, 137, |v| v | 0x01)?; // FASTLOCK=1
rmw(i2c, 136, |v| v | 0x40)?; // ICAL=1
if !has_xtal(i2c)? {
return Err("Si5324 misses XA/XB signal");
@@ -270,7 +276,7 @@ pub fn select_input(i2c: &mut I2c, input: Input, timer: &mut GlobalTimer) -> Res
Input::Ckin1 => 0b00,
Input::Ckin2 => 0b01,
};
rmw(i2c, 3, |v| (v & 0x3f) | (cksel_reg << 6))?;
rmw(i2c, 3, |v| (v & 0x3f) | (cksel_reg << 6))?;
if !has_ckin(i2c, input)? {
return Err("Si5324 misses clock input signal");
}
@@ -285,12 +291,12 @@ pub mod siphaser {
pub fn select_recovered_clock(i2c: &mut I2c, rc: bool, timer: &mut GlobalTimer) -> Result<()> {
let val = read(i2c, 3)?;
write(i2c, 3, (val & 0xdf) | (1 << 5))?; // DHOLD=1
write(i2c, 3, (val & 0xdf) | (1 << 5))?; // DHOLD=1
unsafe {
csr::siphaser::switch_clocks_write(if rc { 1 } else { 0 });
}
let val = read(i2c, 3)?;
write(i2c, 3, (val & 0xdf) | (0 << 5))?; // DHOLD=0
write(i2c, 3, (val & 0xdf) | (0 << 5))?; // DHOLD=0
monitor_lock(i2c, timer)?;
Ok(())
}
@@ -309,9 +315,7 @@ pub mod siphaser {
csr::siphaser::error_write(1);
}
timer.delay_us(5_000);
unsafe {
csr::siphaser::error_read() != 0
}
unsafe { csr::siphaser::error_read() != 0 }
}
fn find_edge(target: bool, timer: &mut GlobalTimer) -> Result<u32> {
@@ -340,14 +344,19 @@ pub mod siphaser {
}
let width = find_edge(true, timer)? + jitter_margin;
// width is 360 degrees (one full rotation of the phase between s/h limits) minus jitter
info!("calibration successful, lead: {}, width: {} ({}deg)", lead, width, width*360/(56*8));
info!(
"calibration successful, lead: {}, width: {} ({}deg)",
lead,
width,
width * 360 / (56 * 8)
);
// Apply reverse phase shift for half the width to get into the
// middle of the working region.
for _ in 0..width/2 {
for _ in 0..width / 2 {
phase_shift(0, timer);
}
Ok(())
}
}
}

9
src/libbuild_zynq/lib.rs
View File

@@ -1,8 +1,7 @@
use std::env;
use std::fs::File;
use std::io::{BufRead, BufReader, Write};
use std::path::PathBuf;
use std::{env,
fs::File,
io::{BufRead, BufReader, Write},
path::PathBuf};
pub fn add_linker_script() {
// Put the linker script somewhere the linker can find it

7
src/libc/build.rs
View File

@@ -4,8 +4,7 @@ fn main() {
}
mod libc {
use std::path::Path;
use std::env;
use std::{env, path::Path};
pub fn compile() {
let cfg = &mut cc::Build::new();
@@ -32,9 +31,7 @@ mod libc {
cfg.flag("-U_FORTIFY_SOURCE");
cfg.define("_FORTIFY_SOURCE", Some("0"));
let sources = vec![
"printf.c"
];
let sources = vec!["printf.c"];
let root = Path::new("./");
for src in sources {

26
src/libdwarf/src/eh.rs
View File

@@ -11,10 +11,12 @@
#![allow(non_upper_case_globals)]
#![allow(unused)]
use crate::DwarfReader;
use core::mem;
use cslice::CSlice;
use crate::DwarfReader;
pub const DW_EH_PE_omit: u8 = 0xFF;
pub const DW_EH_PE_absptr: u8 = 0x00;
@@ -160,15 +162,11 @@ pub unsafe fn find_eh_action(
if ar_filter == 0 {
saw_cleanup = true;
} else if ar_filter > 0 {
let catch_type = get_ttype_entry(
ar_filter as usize,
ttype_encoding,
ttype_base,
ttype_table,
)?;
let catch_type =
get_ttype_entry(ar_filter as usize, ttype_encoding, ttype_base, ttype_table)?;
match catch_type {
Some(clause_ptr) if *(clause_ptr as *const u32) == id => {
return Ok(EHAction::Catch(lpad))
return Ok(EHAction::Catch(lpad));
}
None => return Ok(EHAction::Catch(lpad)),
_ => {}
@@ -251,19 +249,11 @@ fn get_base(encoding: u8, context: &EHContext<'_>) -> Result<usize, ()> {
}
}
unsafe fn read_encoded_pointer(
reader: &mut DwarfReader,
context: &EHContext<'_>,
encoding: u8,
) -> Result<usize, ()> {
unsafe fn read_encoded_pointer(reader: &mut DwarfReader, context: &EHContext<'_>, encoding: u8) -> Result<usize, ()> {
read_encoded_pointer_with_base(reader, encoding, get_base(encoding, context)?)
}
unsafe fn read_encoded_pointer_with_base(
reader: &mut DwarfReader,
encoding: u8,
base: usize,
) -> Result<usize, ()> {
unsafe fn read_encoded_pointer_with_base(reader: &mut DwarfReader, encoding: u8, base: usize) -> Result<usize, ()> {
if encoding == DW_EH_PE_omit {
return Err(());
}

195
src/libdyld/src/elf.rs
View File

@@ -1451,8 +1451,7 @@ pub const R_AARCH64_TLSDESC_CALL: usize = 569;
pub const R_AARCH64_TLSLE_LDST128_TPREL_LO12: usize = 570;
pub const R_AARCH64_TLSLE_LDST128_TPREL_LO12_NC: usize = 571;
pub const R_AARCH64_TLSLD_LDST128_DTPREL_LO12: usize = 572;
pub const R_AARCH64_TLSLD_LDST128_DTPREL_LO12_NC: usize =
573;
pub const R_AARCH64_TLSLD_LDST128_DTPREL_LO12_NC: usize = 573;
pub const R_AARCH64_COPY: usize = 1024;
pub const R_AARCH64_GLOB_DAT: usize = 1025;
pub const R_AARCH64_JUMP_SLOT: usize = 1026;
@@ -2267,7 +2266,9 @@ pub struct Elf32_Ehdr {
pub e_shstrndx: Elf32_Half,
}
impl Clone for Elf32_Ehdr {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2288,7 +2289,9 @@ pub struct Elf64_Ehdr {
pub e_shstrndx: Elf64_Half,
}
impl Clone for Elf64_Ehdr {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2305,7 +2308,9 @@ pub struct Elf32_Shdr {
pub sh_entsize: Elf32_Word,
}
impl Clone for Elf32_Shdr {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2322,7 +2327,9 @@ pub struct Elf64_Shdr {
pub sh_entsize: Elf64_Xword,
}
impl Clone for Elf64_Shdr {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2335,7 +2342,9 @@ pub struct Elf32_Sym {
pub st_shndx: Elf32_Section,
}
impl Clone for Elf32_Sym {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2348,7 +2357,9 @@ pub struct Elf64_Sym {
pub st_size: Elf64_Xword,
}
impl Clone for Elf64_Sym {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2357,7 +2368,9 @@ pub struct Elf32_Syminfo {
pub si_flags: Elf32_Half,
}
impl Clone for Elf32_Syminfo {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2366,7 +2379,9 @@ pub struct Elf64_Syminfo {
pub si_flags: Elf64_Half,
}
impl Clone for Elf64_Syminfo {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2375,7 +2390,9 @@ pub struct Elf32_Rel {
pub r_info: Elf32_Word,
}
impl Clone for Elf32_Rel {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2384,7 +2401,9 @@ pub struct Elf64_Rel {
pub r_info: Elf64_Xword,
}
impl Clone for Elf64_Rel {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2394,7 +2413,9 @@ pub struct Elf32_Rela {
pub r_addend: Elf32_Sword,
}
impl Clone for Elf32_Rela {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2404,7 +2425,9 @@ pub struct Elf64_Rela {
pub r_addend: Elf64_Sxword,
}
impl Clone for Elf64_Rela {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2419,7 +2442,9 @@ pub struct Elf32_Phdr {
pub p_align: Elf32_Word,
}
impl Clone for Elf32_Phdr {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2434,7 +2459,9 @@ pub struct Elf64_Phdr {
pub p_align: Elf64_Xword,
}
impl Clone for Elf64_Phdr {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Copy)]
@@ -2449,10 +2476,14 @@ pub union Elf32_Dyn__bindgen_ty_1 {
pub d_ptr: Elf32_Addr,
}
impl Clone for Elf32_Dyn__bindgen_ty_1 {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
impl Clone for Elf32_Dyn {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Copy)]
@@ -2467,10 +2498,14 @@ pub union Elf64_Dyn__bindgen_ty_1 {
pub d_ptr: Elf64_Addr,
}
impl Clone for Elf64_Dyn__bindgen_ty_1 {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
impl Clone for Elf64_Dyn {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2484,7 +2519,9 @@ pub struct Elf32_Verdef {
pub vd_next: Elf32_Word,
}
impl Clone for Elf32_Verdef {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2498,7 +2535,9 @@ pub struct Elf64_Verdef {
pub vd_next: Elf64_Word,
}
impl Clone for Elf64_Verdef {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2507,7 +2546,9 @@ pub struct Elf32_Verdaux {
pub vda_next: Elf32_Word,
}
impl Clone for Elf32_Verdaux {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2516,7 +2557,9 @@ pub struct Elf64_Verdaux {
pub vda_next: Elf64_Word,
}
impl Clone for Elf64_Verdaux {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2528,7 +2571,9 @@ pub struct Elf32_Verneed {
pub vn_next: Elf32_Word,
}
impl Clone for Elf32_Verneed {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2540,7 +2585,9 @@ pub struct Elf64_Verneed {
pub vn_next: Elf64_Word,
}
impl Clone for Elf64_Verneed {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2552,7 +2599,9 @@ pub struct Elf32_Vernaux {
pub vna_next: Elf32_Word,
}
impl Clone for Elf32_Vernaux {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2564,7 +2613,9 @@ pub struct Elf64_Vernaux {
pub vna_next: Elf64_Word,
}
impl Clone for Elf64_Vernaux {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Copy)]
@@ -2578,10 +2629,14 @@ pub union Elf32_auxv_t__bindgen_ty_1 {
pub a_val: u32,
}
impl Clone for Elf32_auxv_t__bindgen_ty_1 {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
impl Clone for Elf32_auxv_t {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Copy)]
@@ -2595,10 +2650,14 @@ pub union Elf64_auxv_t__bindgen_ty_1 {
pub a_val: u64,
}
impl Clone for Elf64_auxv_t__bindgen_ty_1 {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
impl Clone for Elf64_auxv_t {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2608,7 +2667,9 @@ pub struct Elf32_Nhdr {
pub n_type: Elf32_Word,
}
impl Clone for Elf32_Nhdr {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2618,7 +2679,9 @@ pub struct Elf64_Nhdr {
pub n_type: Elf64_Word,
}
impl Clone for Elf64_Nhdr {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2630,7 +2693,9 @@ pub struct Elf32_Move {
pub m_stride: Elf32_Half,
}
impl Clone for Elf32_Move {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2642,7 +2707,9 @@ pub struct Elf64_Move {
pub m_stride: Elf64_Half,
}
impl Clone for Elf64_Move {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Copy)]
@@ -2657,7 +2724,9 @@ pub struct Elf32_gptab__bindgen_ty_1 {
pub gt_unused: Elf32_Word,
}
impl Clone for Elf32_gptab__bindgen_ty_1 {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2666,10 +2735,14 @@ pub struct Elf32_gptab__bindgen_ty_2 {
pub gt_bytes: Elf32_Word,
}
impl Clone for Elf32_gptab__bindgen_ty_2 {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
impl Clone for Elf32_gptab {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2679,7 +2752,9 @@ pub struct Elf32_RegInfo {
pub ri_gp_value: Elf32_Sword,
}
impl Clone for Elf32_RegInfo {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2690,7 +2765,9 @@ pub struct Elf_Options {
pub info: Elf32_Word,
}
impl Clone for Elf_Options {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2699,7 +2776,9 @@ pub struct Elf_Options_Hw {
pub hwp_flags2: Elf32_Word,
}
impl Clone for Elf_Options_Hw {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2711,7 +2790,9 @@ pub struct Elf32_Lib {
pub l_flags: Elf32_Word,
}
impl Clone for Elf32_Lib {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
#[repr(C)]
#[derive(Debug, Copy)]
@@ -2723,17 +2804,31 @@ pub struct Elf64_Lib {
pub l_flags: Elf64_Word,
}
impl Clone for Elf64_Lib {
fn clone(&self) -> Self { *self }
fn clone(&self) -> Self {
*self
}
}
pub type Elf32_Conflict = Elf32_Addr;
#[repr(C)]
#[derive(Clone, Copy)]
pub struct EXIDX_Entry(u32, u32);
pub fn ELF32_R_SYM(info: Elf32_Word) -> Elf32_Word { info >> 8 }
pub fn ELF32_R_TYPE(info: Elf32_Word) -> u8 { info as u8 }
pub fn ELF32_R_INFO(sym: Elf32_Word, ty: u8) -> Elf32_Word { sym << 8 | ty as Elf32_Word }
pub fn ELF32_R_SYM(info: Elf32_Word) -> Elf32_Word {
info >> 8
}
pub fn ELF32_R_TYPE(info: Elf32_Word) -> u8 {
info as u8
}
pub fn ELF32_R_INFO(sym: Elf32_Word, ty: u8) -> Elf32_Word {
sym << 8 | ty as Elf32_Word
}
pub fn ELF32_ST_BIND(info: u8) -> u8 { info >> 4 }
pub fn ELF32_ST_TYPE(info: u8) -> u8 { info & 0xf }
pub fn ELF32_ST_INFO(bind: u8, ty: u8) -> u8 { (bind << 4) | (ty & 0xf) }
pub fn ELF32_ST_BIND(info: u8) -> u8 {
info >> 4
}
pub fn ELF32_ST_TYPE(info: u8) -> u8 {
info & 0xf
}
pub fn ELF32_ST_INFO(bind: u8, ty: u8) -> u8 {
(bind << 4) | (ty & 0xf)
}

54
src/libdyld/src/file.rs
View File

@@ -1,8 +1,8 @@
use core::{mem, ptr, ops::{Deref, Range}};
use super::{
Arch,
elf::*,
};
use core::{mem,
ops::{Deref, Range},
ptr};
use super::{elf::*, Arch};
fn read_unaligned<T: Copy>(data: &[u8], offset: usize) -> Option<T> {
if data.len() < offset + mem::size_of::<T>() {
@@ -31,14 +31,40 @@ impl<'a> File<'a> {
pub fn arch(&self) -> Option<Arch> {
const IDENT_OPENRISC: [u8; EI_NIDENT] = [
ELFMAG0, ELFMAG1, ELFMAG2, ELFMAG3,
ELFCLASS32, ELFDATA2MSB, EV_CURRENT, ELFOSABI_NONE,
/* ABI version */ 0, /* padding */ 0, 0, 0, 0, 0, 0, 0
ELFMAG0,
ELFMAG1,
ELFMAG2,
ELFMAG3,
ELFCLASS32,
ELFDATA2MSB,
EV_CURRENT,
ELFOSABI_NONE,
/* ABI version */ 0,
/* padding */ 0,
0,
0,
0,
0,
0,
0,
];
const IDENT_ARM: [u8; EI_NIDENT] = [
ELFMAG0, ELFMAG1, ELFMAG2, ELFMAG3,
ELFCLASS32, ELFDATA2LSB, EV_CURRENT, ELFOSABI_NONE,
/* ABI version */ 0, /* padding */ 0, 0, 0, 0, 0, 0, 0
ELFMAG0,
ELFMAG1,
ELFMAG2,
ELFMAG3,
ELFCLASS32,
ELFDATA2LSB,
EV_CURRENT,
ELFOSABI_NONE,
/* ABI version */ 0,
/* padding */ 0,
0,
0,
0,
0,
0,
0,
];
match (self.ehdr.e_ident, self.ehdr.e_machine) {
@@ -48,16 +74,14 @@ impl<'a> File<'a> {
}
}
pub fn program_headers<'b>(&'b self) -> impl Iterator<Item = Option<Elf32_Phdr>> + 'b
{
pub fn program_headers<'b>(&'b self) -> impl Iterator<Item = Option<Elf32_Phdr>> + 'b {
(0..self.ehdr.e_phnum).map(move |i| {
let phdr_off = self.ehdr.e_phoff as usize + mem::size_of::<Elf32_Phdr>() * i as usize;
self.read_unaligned::<Elf32_Phdr>(phdr_off)
})
}
pub fn section_headers<'b>(&'b self) -> impl Iterator<Item = Option<Elf32_Shdr>> + 'b
{
pub fn section_headers<'b>(&'b self) -> impl Iterator<Item = Option<Elf32_Shdr>> + 'b {
(0..self.ehdr.e_shnum).map(move |i| {
let shdr_off = self.ehdr.e_shoff as usize + mem::size_of::<Elf32_Shdr>() * i as usize;
self.read_unaligned::<Elf32_Shdr>(shdr_off)

103
src/libdyld/src/image.rs
View File

@@ -1,13 +1,9 @@
use core::{
ops::{Deref, DerefMut, Range},
mem,
slice,
};
use alloc::alloc::{alloc_zeroed, dealloc, Layout, LayoutError};
use super::{
elf::*,
Error,
};
use core::{mem,
ops::{Deref, DerefMut, Range},
slice};
use super::{elf::*, Error};
pub struct DynamicSection {
pub strtab: Range<usize>,
@@ -34,17 +30,12 @@ impl Image {
slice::from_raw_parts_mut(ptr, size)
};
Ok(Image {
layout,
data,
})
Ok(Image { layout, data })
}
/// assumes that self.data is properly aligned
pub(crate) fn get_ref<T>(&self, offset: usize) -> Option<&T>
where
T: Copy,
{
where T: Copy {
if self.data.len() < offset + mem::size_of::<T>() {
None
} else if (self.data.as_ptr() as usize + offset) & (mem::align_of::<T>() - 1) != 0 {
@@ -66,55 +57,53 @@ impl Image {
unsafe { slice::from_raw_parts(ptr, len) }
}
fn dyn_headers<'a>(&'a self, range: Range<usize>) ->
impl Iterator<Item = &'a Elf32_Dyn> + 'a
{
fn dyn_headers<'a>(&'a self, range: Range<usize>) -> impl Iterator<Item = &'a Elf32_Dyn> + 'a {
range
.step_by(mem::size_of::<Elf32_Dyn>())
.filter_map(move |offset| {
self.get_ref::<Elf32_Dyn>(offset)
})
.filter_map(move |offset| self.get_ref::<Elf32_Dyn>(offset))
.take_while(|d| unsafe { d.d_un.d_val } as i32 != DT_NULL)
}
pub fn dyn_section(&self, range: Range<usize>) -> Result<DynamicSection, Error> {
let (mut strtab_off, mut strtab_sz) = (0, 0);
let (mut rel_off, mut rel_sz) = (0, 0);
let (mut rela_off, mut rela_sz) = (0, 0);
let (mut rel_off, mut rel_sz) = (0, 0);
let (mut rela_off, mut rela_sz) = (0, 0);
let (mut pltrel_off, mut pltrel_sz) = (0, 0);
let (mut hash_off, mut hash_sz) = (0, 0);
let (mut hash_off, mut hash_sz) = (0, 0);
let mut symtab_off = 0;
let mut sym_ent = 0;
let mut rel_ent = 0;
let mut rela_ent = 0;
let mut nbucket = 0;
let mut nchain = 0;
let mut sym_ent = 0;
let mut rel_ent = 0;
let mut rela_ent = 0;
let mut nbucket = 0;
let mut nchain = 0;
for dyn_header in self.dyn_headers(range) {
let val = unsafe { dyn_header.d_un.d_val } as usize;
match dyn_header.d_tag {
DT_NULL => break,
DT_STRTAB => strtab_off = val,
DT_STRSZ => strtab_sz = val,
DT_SYMTAB => symtab_off = val,
DT_SYMENT => sym_ent = val,
DT_REL => rel_off = val,
DT_RELSZ => rel_sz = val,
DT_RELENT => rel_ent = val,
DT_RELA => rela_off = val,
DT_RELASZ => rela_sz = val,
DT_RELAENT => rela_ent = val,
DT_JMPREL => pltrel_off = val,
DT_PLTRELSZ => pltrel_sz = val,
DT_HASH => {
nbucket = *self.get_ref::<Elf32_Word>(val + 0)
DT_NULL => break,
DT_STRTAB => strtab_off = val,
DT_STRSZ => strtab_sz = val,
DT_SYMTAB => symtab_off = val,
DT_SYMENT => sym_ent = val,
DT_REL => rel_off = val,
DT_RELSZ => rel_sz = val,
DT_RELENT => rel_ent = val,
DT_RELA => rela_off = val,
DT_RELASZ => rela_sz = val,
DT_RELAENT => rela_ent = val,
DT_JMPREL => pltrel_off = val,
DT_PLTRELSZ => pltrel_sz = val,
DT_HASH => {
nbucket = *self
.get_ref::<Elf32_Word>(val + 0)
.ok_or("cannot read hash bucket count")? as usize;
nchain = *self.get_ref::<Elf32_Word>(val + 4)
nchain = *self
.get_ref::<Elf32_Word>(val + 4)
.ok_or("cannot read hash chain count")? as usize;
hash_off = val + 8;
hash_sz = (nbucket + nchain) * mem::size_of::<Elf32_Word>();
hash_sz = (nbucket + nchain) * mem::size_of::<Elf32_Word>();
}
_ => ()
_ => (),
}
}
@@ -123,28 +112,28 @@ impl Image {
let symtab_sz = nchain * mem::size_of::<Elf32_Sym>();
if strtab_off + strtab_sz > self.data.len() {
return Err("invalid strtab offset/size")?
return Err("invalid strtab offset/size")?;
}
if symtab_off + symtab_sz > self.data.len() {
return Err("invalid symtab offset/size")?
return Err("invalid symtab offset/size")?;
}
if sym_ent != mem::size_of::<Elf32_Sym>() {
return Err("incorrect symbol entry size")?
return Err("incorrect symbol entry size")?;
}
if rel_off + rel_sz > self.data.len() {
return Err("invalid rel offset/size")?
return Err("invalid rel offset/size")?;
}
if rel_ent != 0 && rel_ent != mem::size_of::<Elf32_Rel>() {
return Err("incorrect relocation entry size")?
return Err("incorrect relocation entry size")?;
}
if rela_off + rela_sz > self.data.len() {
return Err("invalid rela offset/size")?
return Err("invalid rela offset/size")?;
}
if rela_ent != 0 && rela_ent != mem::size_of::<Elf32_Rela>() {
return Err("incorrect relocation entry size")?
return Err("incorrect relocation entry size")?;
}
if pltrel_off + pltrel_sz > self.data.len() {
return Err("invalid pltrel offset/size")?
return Err("invalid pltrel offset/size")?;
}
Ok(DynamicSection {
@@ -165,7 +154,7 @@ impl Image {
pub fn write(&self, offset: usize, value: Elf32_Word) -> Result<(), Error> {
if offset + mem::size_of::<Elf32_Addr>() > self.data.len() {
return Err("relocation out of image bounds")?
return Err("relocation out of image bounds")?;
}
let ptr = (self.data.as_ptr() as usize + offset) as *mut Elf32_Addr;

115
src/libdyld/src/lib.rs
View File

@@ -1,13 +1,14 @@
#![no_std]
extern crate alloc;
extern crate log;
extern crate libcortex_a9;
extern crate log;
use core::{convert, fmt, ops::Range, str};
use alloc::string::String;
use log::{debug, trace};
use core::{convert, fmt, ops::Range, str};
use elf::*;
use log::{debug, trace};
pub mod elf;
mod file;
@@ -21,11 +22,10 @@ pub enum Arch {
OpenRisc,
}
#[derive(Debug)]
pub enum Error {
Parsing(&'static str),
Lookup(String)
Lookup(String),
}
impl convert::From<&'static str> for Error {
@@ -37,10 +37,8 @@ impl convert::From<&'static str> for Error {
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self {
&Error::Parsing(desc) =>
write!(f, "parse error: {}", desc),
&Error::Lookup(ref sym) =>
write!(f, "symbol lookup error: {}", sym),
&Error::Parsing(desc) => write!(f, "parse error: {}", desc),
&Error::Lookup(ref sym) => write!(f, "symbol lookup error: {}", sym),
}
}
}
@@ -103,20 +101,22 @@ impl Library {
let mut index = self.hash_bucket()[hash as usize % self.hash_bucket().len()] as usize;
loop {
if index == STN_UNDEF { return None }
if index == STN_UNDEF {
return None;
}
let sym = &self.symtab()[index];
let sym_name_off = sym.st_name as usize;
match self.strtab().get(sym_name_off..sym_name_off + name.len()) {
Some(sym_name) if sym_name == name => {
if ELF32_ST_BIND(sym.st_info) & STB_GLOBAL == 0 {
return None
return None;
}
match sym.st_shndx {
SHN_UNDEF => return None,
SHN_ABS => return Some(self.image.ptr() as u32 + sym.st_value),
_ => return Some(self.image.ptr() as u32 + sym.st_value)
_ => return Some(self.image.ptr() as u32 + sym.st_value),
}
}
_ => (),
@@ -127,10 +127,16 @@ impl Library {
}
pub fn name_starting_at(&self, offset: usize) -> Result<&[u8], Error> {
let size = self.strtab().iter().skip(offset).position(|&x| x == 0)
.ok_or("symbol in symbol table not null-terminated")?;
Ok(self.strtab().get(offset..offset + size)
.ok_or("cannot read symbol name")?)
let size = self
.strtab()
.iter()
.skip(offset)
.position(|&x| x == 0)
.ok_or("symbol in symbol table not null-terminated")?;
Ok(self
.strtab()
.get(offset..offset + size)
.ok_or("cannot read symbol name")?)
}
/// Rebind Rela by `name` to a new `addr`
@@ -143,53 +149,59 @@ impl Library {
}
}
pub fn load(
data: &[u8],
resolve: &dyn Fn(&[u8]) -> Option<Elf32_Word>
) -> Result<Library, Error> {
pub fn load(data: &[u8], resolve: &dyn Fn(&[u8]) -> Option<Elf32_Word>) -> Result<Library, Error> {
// validate ELF file
let file = file::File::new(data)
.ok_or("cannot read ELF header")?;
let file = file::File::new(data).ok_or("cannot read ELF header")?;
if file.ehdr.e_type != ET_DYN {
return Err("not a shared library")?
return Err("not a shared library")?;
}
let arch = file.arch()
.ok_or("not for a supported architecture")?;
let arch = file.arch().ok_or("not for a supported architecture")?;
// prepare target memory
let image_size = file.program_headers()
let image_size = file
.program_headers()
.filter_map(|phdr| phdr.map(|phdr| phdr.p_vaddr + phdr.p_memsz))
.max()
.unwrap_or(0) as usize;
let image_align = file.program_headers()
.filter_map(|phdr| phdr.and_then(|phdr| {
if phdr.p_type == PT_LOAD {
Some(phdr.p_align)
} else {
None
}
}))
let image_align = file
.program_headers()
.filter_map(|phdr| {
phdr.and_then(|phdr| {
if phdr.p_type == PT_LOAD {
Some(phdr.p_align)
} else {
None
}
})
})
.max()
.unwrap_or(4) as usize;
// 1 image for all segments
let mut image = image::Image::new(image_size, image_align)
.map_err(|_| "cannot allocate target image")?;
debug!("ELF target: {} bytes, align to {:X}, allocated at {:08X}", image_size, image_align, image.ptr() as usize);
let mut image = image::Image::new(image_size, image_align).map_err(|_| "cannot allocate target image")?;
debug!(
"ELF target: {} bytes, align to {:X}, allocated at {:08X}",
image_size,
image_align,
image.ptr() as usize
);
// LOAD
for phdr in file.program_headers() {
let phdr = phdr.ok_or("cannot read program header")?;
trace!("Program header: {:08X}+{:08X} to {:08X}",
phdr.p_offset, phdr.p_filesz,
image.ptr() as u32
trace!(
"Program header: {:08X}+{:08X} to {:08X}",
phdr.p_offset,
phdr.p_filesz,
image.ptr() as u32
);
let file_range = phdr.p_offset as usize..(phdr.p_offset + phdr.p_filesz) as usize;
match phdr.p_type {
PT_LOAD => {
let src = file.get(file_range)
let src = file
.get(file_range)
.ok_or("program header requests an out of bounds load (in file)")?;
let dst = image.get_mut(phdr.p_vaddr as usize..
(phdr.p_vaddr + phdr.p_filesz) as usize)
let dst = image
.get_mut(phdr.p_vaddr as usize..(phdr.p_vaddr + phdr.p_filesz) as usize)
.ok_or("program header requests an out of bounds load (in target)")?;
dst.copy_from_slice(src);
}
@@ -203,9 +215,9 @@ pub fn load(
let shdr = shdr.ok_or("cannot read section header")?;
match shdr.sh_type as usize {
SHT_ARM_EXIDX => {
let range = shdr.sh_addr as usize..
(shdr.sh_addr + shdr.sh_size) as usize;
let _ = image.get(range.clone())
let range = shdr.sh_addr as usize..(shdr.sh_addr + shdr.sh_size) as usize;
let _ = image
.get(range.clone())
.ok_or("section header specifies EXIDX outside of image (in target)")?;
exidx = Some(range);
}
@@ -214,11 +226,14 @@ pub fn load(
}
// relocate DYNAMIC
let dyn_range = file.dyn_header_vaddr()
.ok_or("cannot find a dynamic header")?;
let dyn_range = file.dyn_header_vaddr().ok_or("cannot find a dynamic header")?;
let dyn_section = image.dyn_section(dyn_range.clone())?;
debug!("Relocating {} rela, {} rel, {} pltrel",
dyn_section.rela.len(), dyn_section.rel.len(), dyn_section.pltrel.len());
debug!(
"Relocating {} rela, {} rel, {} pltrel",
dyn_section.rela.len(),
dyn_section.rel.len(),
dyn_section.pltrel.len()
);
let lib = Library {
arch,
image,

94
src/libdyld/src/reloc.rs
View File

@@ -1,16 +1,10 @@
use alloc::string::String;
use libcortex_a9::{asm::{dsb, isb},
cache::{bpiall, dcci_slice, iciallu}};
use log::trace;
use super::{
Arch,
elf::*,
Error,
image::Image,
Library,
};
use libcortex_a9::{
cache::{dcci_slice, iciallu, bpiall},
asm::{dsb, isb},
};
use super::{elf::*, image::Image, Arch, Error, Library};
pub trait Relocatable {
fn offset(&self) -> usize;
@@ -66,25 +60,18 @@ enum RelType {
impl RelType {
pub fn new(arch: Arch, type_info: u8) -> Option<Self> {
match type_info {
R_OR1K_NONE if arch == Arch::OpenRisc =>
Some(RelType::None),
R_ARM_NONE if arch == Arch::Arm =>
Some(RelType::None),
R_OR1K_NONE if arch == Arch::OpenRisc => Some(RelType::None),
R_ARM_NONE if arch == Arch::Arm => Some(RelType::None),
R_OR1K_RELATIVE if arch == Arch::OpenRisc =>
Some(RelType::Relative),
R_ARM_RELATIVE if arch == Arch::Arm =>
Some(RelType::Relative),
R_OR1K_RELATIVE if arch == Arch::OpenRisc => Some(RelType::Relative),
R_ARM_RELATIVE if arch == Arch::Arm => Some(RelType::Relative),
R_OR1K_32 | R_OR1K_GLOB_DAT | R_OR1K_JMP_SLOT
if arch == Arch::OpenRisc => Some(RelType::LookupAbs),
R_ARM_GLOB_DAT | R_ARM_JUMP_SLOT | R_ARM_ABS32
if arch == Arch::Arm => Some(RelType::LookupAbs),
R_OR1K_32 | R_OR1K_GLOB_DAT | R_OR1K_JMP_SLOT if arch == Arch::OpenRisc => Some(RelType::LookupAbs),
R_ARM_GLOB_DAT | R_ARM_JUMP_SLOT | R_ARM_ABS32 if arch == Arch::Arm => Some(RelType::LookupAbs),
R_ARM_PREL31 if arch == Arch::Arm => Some(RelType::LookupRel),
_ =>
None
_ => None,
}
}
}
@@ -96,22 +83,25 @@ fn format_sym_name(sym_name: &[u8]) -> String {
}
pub fn relocate<R: Relocatable>(
arch: Arch, lib: &Library,
rel: &R, resolve: &dyn Fn(&[u8]) -> Option<Elf32_Word>
arch: Arch,
lib: &Library,
rel: &R,
resolve: &dyn Fn(&[u8]) -> Option<Elf32_Word>,
) -> Result<(), Error> {
let sym;
if rel.sym_info() == 0 {
sym = None;
} else {
sym = Some(lib.symtab().get(rel.sym_info() as usize)
.ok_or("symbol out of bounds of symbol table")?)
sym = Some(
lib.symtab()
.get(rel.sym_info() as usize)
.ok_or("symbol out of bounds of symbol table")?,
)
}
let rel_type = RelType::new(arch, rel.type_info())
.ok_or("unsupported relocation type")?;
let rel_type = RelType::new(arch, rel.type_info()).ok_or("unsupported relocation type")?;
let value = match rel_type {
RelType::None =>
return Ok(()),
RelType::None => return Ok(()),
RelType::Relative => {
let addend = rel.addend(&lib.image);
@@ -132,42 +122,48 @@ pub fn relocate<R: Relocatable>(
addr
} else {
// We couldn't find it anywhere.
return Err(Error::Lookup(format_sym_name(sym_name)))
return Err(Error::Lookup(format_sym_name(sym_name)));
};
match rel_type {
RelType::LookupAbs => sym_addr,
RelType::LookupRel =>
sym_addr.wrapping_sub(
lib.image.ptr().wrapping_offset(rel.offset() as isize) as Elf32_Addr),
_ => unreachable!()
RelType::LookupRel => {
sym_addr.wrapping_sub(lib.image.ptr().wrapping_offset(rel.offset() as isize) as Elf32_Addr)
}
_ => unreachable!(),
}
}
};
match rel.type_info() {
R_ARM_PREL31 => {
let reloc_word = lib.image.get_ref::<Elf32_Word>(rel.offset())
.ok_or("relocation offset cannot be read")?;
lib.image.write(rel.offset(), (reloc_word & 0x80000000) | (value & 0x7FFFFFFF))
},
let reloc_word = lib
.image
.get_ref::<Elf32_Word>(rel.offset())
.ok_or("relocation offset cannot be read")?;
lib.image
.write(rel.offset(), (reloc_word & 0x80000000) | (value & 0x7FFFFFFF))
}
_ => lib.image.write(rel.offset(), value),
}
}
pub fn rebind(
arch: Arch, lib: &Library, name: &[u8], value: Elf32_Word
) -> Result<(), Error> {
pub fn rebind(arch: Arch, lib: &Library, name: &[u8], value: Elf32_Word) -> Result<(), Error> {
fn rebind_symbol_to_value<R: Relocatable>(
arch: Arch, lib: &Library,name: &[u8], value: Elf32_Word, relocs: &[R]
arch: Arch,
lib: &Library,
name: &[u8],
value: Elf32_Word,
relocs: &[R],
) -> Result<(), Error> {
for reloc in relocs {
let rel_type = RelType::new(arch, reloc.type_info())
.ok_or("unsupported relocation type")?;
let rel_type = RelType::new(arch, reloc.type_info()).ok_or("unsupported relocation type")?;
match rel_type {
RelType::LookupAbs => {
let sym = lib.symtab().get(reloc.sym_info() as usize)
let sym = lib
.symtab()
.get(reloc.sym_info() as usize)
.ok_or("symbol out of bounds of symbol table")?;
let sym_name = lib.name_starting_at(sym.st_name as usize)?;

9
src/libio/cursor.rs
View File

@@ -1,9 +1,9 @@
use core_io::{Read, Write, Error as IoError};
use core_io::{Error as IoError, Read, Write};
#[derive(Debug, Clone)]
pub struct Cursor<T> {
inner: T,
pos: usize
pos: usize,
}
impl<T> Cursor<T> {
@@ -39,7 +39,6 @@ impl<T> Cursor<T> {
}
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());
@@ -50,10 +49,9 @@ impl<T: AsRef<[u8]>> Read for Cursor<T> {
}
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());
let len = buf.len().min(data.len());
data[..len].copy_from_slice(&buf[..len]);
self.pos += len;
Ok(len)
@@ -67,7 +65,6 @@ impl Write for Cursor<&mut [u8]> {
#[cfg(feature = "alloc")]
impl Write for Cursor<::alloc::Vec<u8>> {
#[inline]
fn write(&mut self, buf: &[u8]) -> Result<usize, IoError> {
self.inner.extend_from_slice(buf);

4
src/libio/lib.rs
View File

@@ -16,7 +16,7 @@ pub mod cursor;
pub mod proto;
pub use cursor::Cursor;
#[cfg(all(feature = "byteorder", feature = "alloc"))]
pub use proto::ReadStringError;
#[cfg(feature = "byteorder")]
pub use proto::{ProtoRead, ProtoWrite};
#[cfg(all(feature = "byteorder", feature = "alloc"))]
pub use proto::ReadStringError;

17
src/libio/proto.rs
View File

@@ -1,15 +1,14 @@
use alloc::{string::String, vec};
use core::str::Utf8Error;
use byteorder::{ByteOrder, NativeEndian};
use alloc::vec;
use alloc::string::String;
use core_io::{Read, Write, Error as IoError};
use byteorder::{ByteOrder, NativeEndian};
use core_io::{Error as IoError, Read, Write};
#[allow(dead_code)]
#[derive(Debug, Clone, PartialEq)]
pub enum ReadStringError<T> {
Utf8(Utf8Error),
Other(T)
Other(T),
}
pub trait ProtoRead {
@@ -141,7 +140,9 @@ pub trait ProtoWrite {
}
}
impl<T> ProtoRead for T where T: Read + ?Sized {
impl<T> ProtoRead for T
where T: Read + ?Sized
{
type ReadError = IoError;
fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Self::ReadError> {
@@ -149,7 +150,9 @@ impl<T> ProtoRead for T where T: Read + ?Sized {
}
}
impl<T> ProtoWrite for T where T: Write + ?Sized {
impl<T> ProtoWrite for T
where T: Write + ?Sized
{
type WriteError = IoError;
fn write_all(&mut self, buf: &[u8]) -> Result<(), Self::WriteError> {

18
src/libunwind/backtrace.rs
View File

@@ -1,27 +1,25 @@
use libc::{c_void, c_int};
use libc::{c_int, c_void};
use crate::libunwind as uw;
const UW_REG_SP: c_int = 13;
pub fn backtrace<F>(f: F) -> Result<(), uw::_Unwind_Reason_Code>
where F: FnMut(usize) -> ()
{
where F: FnMut(usize) -> () {
struct TraceContext<F> {
step_fn: F,
prev_sp: uw::_Unwind_Word
prev_sp: uw::_Unwind_Word,
}
extern fn trace<F>(context: *mut uw::_Unwind_Context, arg: *mut c_void)
-> uw::_Unwind_Reason_Code
where F: FnMut(usize) -> ()
{
extern "C" fn trace<F>(context: *mut uw::_Unwind_Context, arg: *mut c_void) -> uw::_Unwind_Reason_Code
where F: FnMut(usize) -> () {
unsafe {
let trace_context = &mut *(arg as *mut TraceContext<F>);
// Detect the root of a libfringe thread
let cur_sp = uw::_Unwind_GetGR(context, UW_REG_SP);
if cur_sp == trace_context.prev_sp {
return uw::_URC_END_OF_STACK
return uw::_URC_END_OF_STACK;
} else {
trace_context.prev_sp = cur_sp;
}
@@ -35,7 +33,7 @@ pub fn backtrace<F>(f: F) -> Result<(), uw::_Unwind_Reason_Code>
let mut trace_context = TraceContext { step_fn: f, prev_sp: 0 };
match uw::_Unwind_Backtrace(trace::<F>, &mut trace_context as *mut _ as *mut c_void) {
uw::_URC_NO_REASON => Ok(()),
err => Err(err)
err => Err(err),
}
}
}

9
src/libunwind/build.rs
View File

@@ -5,8 +5,7 @@ fn main() {
}
mod llvm_libunwind {
use std::path::Path;
use std::env;
use std::{env, path::Path};
fn setup_options(cfg: &mut cc::Build) {
cfg.no_default_flags(true);
@@ -82,11 +81,7 @@ mod llvm_libunwind {
cfg.flag("-fvisibility=hidden");
cfg.flag_if_supported("-fvisibility-global-new-delete-hidden");
let unwind_sources = vec![
"Unwind-EHABI.cpp",
"Unwind-seh.cpp",
"libunwind.cpp"
];
let unwind_sources = vec!["Unwind-EHABI.cpp", "Unwind-seh.cpp", "libunwind.cpp"];
let root = Path::new("../llvm_libunwind");
cfg.include(root.join("include"));

6
src/libunwind/libunwind.rs
View File

@@ -21,8 +21,7 @@ pub use _Unwind_Reason_Code::*;
pub type _Unwind_Exception_Class = u64;
pub type _Unwind_Word = uintptr_t;
pub type _Unwind_Ptr = uintptr_t;
pub type _Unwind_Trace_Fn =
extern "C" fn(ctx: *mut _Unwind_Context, arg: *mut c_void) -> _Unwind_Reason_Code;
pub type _Unwind_Trace_Fn = extern "C" fn(ctx: *mut _Unwind_Context, arg: *mut c_void) -> _Unwind_Reason_Code;
#[cfg(target_arch = "x86")]
pub const unwinder_private_data_size: usize = 5;
@@ -279,7 +278,6 @@ if #[cfg(all(windows, target_arch = "x86_64", target_env = "gnu"))] {
} // cfg_if!
#[no_mangle]
extern fn abort() {
extern "C" fn abort() {
panic!("Abort!");
}

17
src/runtime/src/analyzer.rs
View File

@@ -3,8 +3,7 @@ use libboard_zynq::smoltcp::Error;
use libcortex_a9::cache;
use log::{debug, info, warn};
use crate::proto_async::*;
use crate::pl;
use crate::{pl, proto_async::*};
const BUFFER_SIZE: usize = 512 * 1024;
@@ -13,9 +12,7 @@ struct Buffer {
data: [u8; BUFFER_SIZE],
}
static mut BUFFER: Buffer = Buffer {
data: [0; BUFFER_SIZE]
};
static mut BUFFER: Buffer = Buffer { data: [0; BUFFER_SIZE] };
fn arm() {
debug!("arming RTIO analyzer");
@@ -46,7 +43,7 @@ struct Header {
total_byte_count: u64,
error_occurred: bool,
log_channel: u8,
dds_onehot_sel: bool
dds_onehot_sel: bool,
}
async fn write_header(stream: &mut TcpStream, header: &Header) -> Result<(), Error> {
@@ -78,10 +75,14 @@ async fn handle_connection(stream: &mut TcpStream) -> Result<(), Error> {
let header = Header {
total_byte_count: total_byte_count,
sent_bytes: if wraparound { BUFFER_SIZE as u32 } else { total_byte_count as u32 },
sent_bytes: if wraparound {
BUFFER_SIZE as u32
} else {
total_byte_count as u32
},
error_occurred: overflow_occurred | bus_error_occurred,
log_channel: pl::csr::CONFIG_RTIO_LOG_CHANNEL as u8,
dds_onehot_sel: true // kept for backward compatibility of analyzer dumps
dds_onehot_sel: true, // kept for backward compatibility of analyzer dumps
};
debug!("{:?}", header);

290
src/runtime/src/comms.rs
View File

@@ -1,39 +1,33 @@
use core::{fmt, slice, str};
use core::cell::RefCell;
use alloc::{vec, vec::Vec, string::String, collections::BTreeMap, rc::Rc};
use log::{info, warn, error};
use alloc::{collections::BTreeMap, rc::Rc, string::String, vec, vec::Vec};
use core::{cell::RefCell, fmt, slice, str};
use cslice::CSlice;
use num_derive::{FromPrimitive, ToPrimitive};
use num_traits::{FromPrimitive, ToPrimitive};
use libboard_zynq::{
self as zynq,
smoltcp::{
self,
wire::IpCidr,
iface::{NeighborCache, EthernetInterfaceBuilder},
time::Instant,
},
timer::GlobalTimer,
};
use libcortex_a9::{semaphore::Semaphore, mutex::Mutex, sync_channel::{Sender, Receiver}};
use futures::{select_biased, future::FutureExt};
use libasync::{smoltcp::{Sockets, TcpStream}, task};
use libconfig::{Config, net_settings};
use futures::{future::FutureExt, select_biased};
use libasync::{smoltcp::{Sockets, TcpStream},
task};
use libboard_artiq::drtio_routing;
#[cfg(feature = "target_kasli_soc")]
use libboard_zynq::error_led::ErrorLED;
use libboard_zynq::{self as zynq,
smoltcp::{self,
iface::{EthernetInterfaceBuilder, NeighborCache},
time::Instant,
wire::IpCidr},
timer::GlobalTimer};
use libconfig::{net_settings, Config};
use libcortex_a9::{mutex::Mutex,
semaphore::Semaphore,
sync_channel::{Receiver, Sender}};
use log::{error, info, warn};
use num_derive::{FromPrimitive, ToPrimitive};
use num_traits::{FromPrimitive, ToPrimitive};
use crate::proto_async::*;
use crate::kernel;
use crate::rpc;
use crate::moninj;
use crate::mgmt;
use crate::analyzer;
use crate::rtio_mgt::{self, resolve_channel_name};
#[cfg(has_drtio)]
use crate::pl;
use crate::{analyzer, kernel, mgmt, moninj,
proto_async::*,
rpc,
rtio_mgt::{self, resolve_channel_name}};
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum Error {
@@ -49,9 +43,9 @@ impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self {
Error::NetworkError(error) => write!(f, "network error: {}", error),
Error::UnexpectedPattern => write!(f, "unexpected pattern"),
Error::UnrecognizedPacket => write!(f, "unrecognized packet"),
Error::BufferExhausted => write!(f, "buffer exhausted"),
Error::UnexpectedPattern => write!(f, "unexpected pattern"),
Error::UnrecognizedPacket => write!(f, "unrecognized packet"),
Error::BufferExhausted => write!(f, "buffer exhausted"),
}
}
}
@@ -88,15 +82,16 @@ static CACHE_STORE: Mutex<BTreeMap<String, Vec<i32>>> = Mutex::new(BTreeMap::new
static DMA_RECORD_STORE: Mutex<BTreeMap<String, (Vec<u8>, i64)>> = Mutex::new(BTreeMap::new());
async fn write_header(stream: &TcpStream, reply: Reply) -> Result<()> {
stream.send_slice(&[0x5a, 0x5a, 0x5a, 0x5a, reply.to_u8().unwrap()]).await?;
stream
.send_slice(&[0x5a, 0x5a, 0x5a, 0x5a, reply.to_u8().unwrap()])
.await?;
Ok(())
}
async fn read_request(stream: &TcpStream, allow_close: bool) -> Result<Option<Request>> {
match expect(stream, &[0x5a, 0x5a, 0x5a, 0x5a]).await {
Ok(true) => {}
Ok(false) =>
return Err(Error::UnexpectedPattern),
Ok(false) => return Err(Error::UnexpectedPattern),
Err(smoltcp::Error::Finished) => {
if allow_close {
info!("peer closed connection");
@@ -105,11 +100,12 @@ async fn read_request(stream: &TcpStream, allow_close: bool) -> Result<Option<Re
error!("peer unexpectedly closed connection");
return Err(smoltcp::Error::Finished)?;
}
},
Err(e) =>
return Err(e)?,
}
Err(e) => return Err(e)?,
}
Ok(Some(FromPrimitive::from_i8(read_i8(&stream).await?).ok_or(Error::UnrecognizedPacket)?))
Ok(Some(
FromPrimitive::from_i8(read_i8(&stream).await?).ok_or(Error::UnrecognizedPacket)?,
))
}
async fn read_bytes(stream: &TcpStream, max_length: usize) -> Result<Vec<u8>> {
@@ -128,9 +124,7 @@ async fn fast_send(sender: &mut Sender<'_, kernel::Message>, content: kernel::Me
let mut content = content;
for _ in 0..RETRY_LIMIT {
match sender.try_send(content) {
Ok(()) => {
return
},
Ok(()) => return,
Err(v) => {
content = v;
}
@@ -142,10 +136,8 @@ async fn fast_send(sender: &mut Sender<'_, kernel::Message>, content: kernel::Me
async fn fast_recv(receiver: &mut Receiver<'_, kernel::Message>) -> kernel::Message {
for _ in 0..RETRY_LIMIT {
match receiver.try_recv() {
Ok(v) => {
return v;
},
Err(()) => ()
Ok(v) => return v,
Err(()) => (),
}
}
receiver.async_recv().await
@@ -161,7 +153,11 @@ async fn write_exception_string(stream: &TcpStream, s: CSlice<'static, u8>) -> R
Ok(())
}
async fn handle_run_kernel(stream: Option<&TcpStream>, control: &Rc<RefCell<kernel::Control>>, _up_destinations: &Rc<RefCell<[bool; drtio_routing::DEST_COUNT]>>) -> Result<()> {
async fn handle_run_kernel(
stream: Option<&TcpStream>,
control: &Rc<RefCell<kernel::Control>>,
_up_destinations: &Rc<RefCell<[bool; drtio_routing::DEST_COUNT]>>,
) -> Result<()> {
control.borrow_mut().tx.async_send(kernel::Message::StartRequest).await;
loop {
let reply = control.borrow_mut().rx.async_recv().await;
@@ -169,7 +165,7 @@ async fn handle_run_kernel(stream: Option<&TcpStream>, control: &Rc<RefCell<kern
kernel::Message::RpcSend { is_async, data } => {
if stream.is_none() {
error!("Unexpected RPC from startup/idle kernel!");
break
break;
}
let stream = stream.unwrap();
write_header(stream, Reply::RPCRequest).await?;
@@ -196,46 +192,64 @@ async fn handle_run_kernel(stream: Option<&TcpStream>, control: &Rc<RefCell<kern
fast_send(&mut control.tx, kernel::Message::RpcRecvReply(Ok(size))).await;
match fast_recv(&mut control.rx).await {
kernel::Message::RpcRecvRequest(slot) => slot,
other => panic!("expected nested value slot from kernel CPU, not {:?}", other),
other => {
panic!("expected nested value slot from kernel CPU, not {:?}", other)
}
}
}
}
}).await?;
control.borrow_mut().tx.async_send(kernel::Message::RpcRecvReply(Ok(0))).await;
},
})
.await?;
control
.borrow_mut()
.tx
.async_send(kernel::Message::RpcRecvReply(Ok(0)))
.await;
}
Request::RPCException => {
let mut control = control.borrow_mut();
match control.rx.async_recv().await {
kernel::Message::RpcRecvRequest(_) => (),
other => panic!("expected (ignored) root value slot from kernel CPU, not {:?}", other),
}
let id = read_i32(stream).await? as u32;
let message = read_i32(stream).await? as u32;
let param = [read_i64(stream).await?,
read_i64(stream).await?,
read_i64(stream).await?];
let file = read_i32(stream).await? as u32;
let line = read_i32(stream).await?;
let column = read_i32(stream).await?;
let id = read_i32(stream).await? as u32;
let message = read_i32(stream).await? as u32;
let param = [
read_i64(stream).await?,
read_i64(stream).await?,
read_i64(stream).await?,
];
let file = read_i32(stream).await? as u32;
let line = read_i32(stream).await?;
let column = read_i32(stream).await?;
let function = read_i32(stream).await? as u32;
control.tx.async_send(kernel::Message::RpcRecvReply(Err(kernel::RPCException {
id, message, param, file, line, column, function
}))).await;
},
control
.tx
.async_send(kernel::Message::RpcRecvReply(Err(kernel::RPCException {
id,
message,
param,
file,
line,
column,
function,
})))
.await;
}
_ => {
error!("unexpected RPC request from host: {:?}", host_request);
return Err(Error::UnrecognizedPacket)
return Err(Error::UnrecognizedPacket);
}
}
}
},
}
kernel::Message::KernelFinished(async_errors) => {
if let Some(stream) = stream {
write_header(stream, Reply::KernelFinished).await?;
write_i8(stream, async_errors as i8).await?;
}
break;
},
}
kernel::Message::KernelException(exceptions, stack_pointers, backtrace, async_errors) => {
match stream {
Some(stream) => {
@@ -247,12 +261,22 @@ async fn handle_run_kernel(stream: Option<&TcpStream>, control: &Rc<RefCell<kern
let exception = exception.as_ref().unwrap();
write_i32(stream, exception.id as i32).await?;
if exception.message.len() == usize::MAX { // exception with host string
if exception.message.len() == usize::MAX {
// exception with host string
write_exception_string(stream, exception.message).await?;
} else {
let msg = str::from_utf8(unsafe { slice::from_raw_parts(exception.message.as_ptr(), exception.message.len()) })
.unwrap()
.replace("{rtio_channel_info:0}", &format!("0x{:04x}:{}", exception.param[0], resolve_channel_name(exception.param[0] as u32)));
let msg = str::from_utf8(unsafe {
slice::from_raw_parts(exception.message.as_ptr(), exception.message.len())
})
.unwrap()
.replace(
"{rtio_channel_info:0}",
&format!(
"0x{:04x}:{}",
exception.param[0],
resolve_channel_name(exception.param[0] as u32)
),
);
write_exception_string(stream, unsafe { CSlice::new(msg.as_ptr(), msg.len()) }).await?;
}
@@ -275,7 +299,7 @@ async fn handle_run_kernel(stream: Option<&TcpStream>, control: &Rc<RefCell<kern
write_i32(stream, sp as i32).await?;
}
write_i8(stream, async_errors as i8).await?;
},
}
None => {
error!("Uncaught kernel exceptions: {:?}", exceptions);
}
@@ -284,27 +308,41 @@ async fn handle_run_kernel(stream: Option<&TcpStream>, control: &Rc<RefCell<kern
}
kernel::Message::CachePutRequest(key, value) => {
CACHE_STORE.lock().insert(key, value);
},
}
kernel::Message::CacheGetRequest(key) => {
const DEFAULT: Vec<i32> = Vec::new();
let value = CACHE_STORE.lock().get(&key).unwrap_or(&DEFAULT).clone();
control.borrow_mut().tx.async_send(kernel::Message::CacheGetReply(value)).await;
},
control
.borrow_mut()
.tx
.async_send(kernel::Message::CacheGetReply(value))
.await;
}
kernel::Message::DmaPutRequest(recorder) => {
DMA_RECORD_STORE.lock().insert(recorder.name, (recorder.buffer, recorder.duration));
},
DMA_RECORD_STORE
.lock()
.insert(recorder.name, (recorder.buffer, recorder.duration));
}
kernel::Message::DmaEraseRequest(name) => {
// prevent possible OOM when we have large DMA record replacement.
DMA_RECORD_STORE.lock().remove(&name);
},
}
kernel::Message::DmaGetRequest(name) => {
let result = DMA_RECORD_STORE.lock().get(&name).map(|v| v.clone());
control.borrow_mut().tx.async_send(kernel::Message::DmaGetReply(result)).await;
},
control
.borrow_mut()
.tx
.async_send(kernel::Message::DmaGetReply(result))
.await;
}
#[cfg(has_drtio)]
kernel::Message::UpDestinationsRequest(destination) => {
let result = _up_destinations.borrow()[destination as usize];
control.borrow_mut().tx.async_send(kernel::Message::UpDestinationsReply(result)).await;
control
.borrow_mut()
.tx
.async_send(kernel::Message::UpDestinationsReply(result))
.await;
}
_ => {
panic!("unexpected message from core1 while kernel was running: {:?}", reply);
@@ -314,11 +352,17 @@ async fn handle_run_kernel(stream: Option<&TcpStream>, control: &Rc<RefCell<kern
Ok(())
}
async fn load_kernel(buffer: &Vec<u8>, control: &Rc<RefCell<kernel::Control>>, stream: Option<&TcpStream>) -> Result<()> {
async fn load_kernel(
buffer: &Vec<u8>,
control: &Rc<RefCell<kernel::Control>>,
stream: Option<&TcpStream>,
) -> Result<()> {
let mut control = control.borrow_mut();
control.restart();
control.tx.async_send(kernel::Message::LoadRequest(buffer.to_vec())).await;
control
.tx
.async_send(kernel::Message::LoadRequest(buffer.to_vec()))
.await;
let reply = control.rx.async_recv().await;
match reply {
kernel::Message::LoadCompleted => {
@@ -326,7 +370,7 @@ async fn load_kernel(buffer: &Vec<u8>, control: &Rc<RefCell<kernel::Control>>, s
write_header(stream, Reply::LoadCompleted).await?;
}
Ok(())
},
}
kernel::Message::LoadFailed => {
if let Some(stream) = stream {
write_header(stream, Reply::LoadFailed).await?;
@@ -335,7 +379,7 @@ async fn load_kernel(buffer: &Vec<u8>, control: &Rc<RefCell<kernel::Control>>, s
error!("Kernel load failed");
}
Err(Error::UnexpectedPattern)
},
}
_ => {
error!("unexpected message from core1: {:?}", reply);
if let Some(stream) = stream {
@@ -347,7 +391,11 @@ async fn load_kernel(buffer: &Vec<u8>, control: &Rc<RefCell<kernel::Control>>, s
}
}
async fn handle_connection(stream: &mut TcpStream, control: Rc<RefCell<kernel::Control>>, up_destinations: &Rc<RefCell<[bool; drtio_routing::DEST_COUNT]>>) -> Result<()> {
async fn handle_connection(
stream: &mut TcpStream,
control: Rc<RefCell<kernel::Control>>,
up_destinations: &Rc<RefCell<[bool; drtio_routing::DEST_COUNT]>>,
) -> Result<()> {
stream.set_ack_delay(None);
if !expect(stream, b"ARTIQ coredev\n").await? {
@@ -364,17 +412,17 @@ async fn handle_connection(stream: &mut TcpStream, control: Rc<RefCell<kernel::C
Request::SystemInfo => {
write_header(stream, Reply::SystemInfo).await?;
stream.send_slice("ARZQ".as_bytes()).await?;
},
}
Request::LoadKernel => {
let buffer = read_bytes(stream, 1024*1024).await?;
let buffer = read_bytes(stream, 1024 * 1024).await?;
load_kernel(&buffer, &control, Some(stream)).await?;
},
}
Request::RunKernel => {
handle_run_kernel(Some(stream), &control, &up_destinations).await?;
},
}
_ => {
error!("unexpected request from host: {:?}", request);
return Err(Error::UnrecognizedPacket)
return Err(Error::UnrecognizedPacket);
}
}
}
@@ -398,24 +446,24 @@ pub fn main(timer: GlobalTimer, cfg: Config) {
let ip_addrs = [
IpCidr::new(net_addresses.ipv4_addr, 0),
IpCidr::new(net_addresses.ipv6_ll_addr, 0),
IpCidr::new(addr, 0)
IpCidr::new(addr, 0),
];
EthernetInterfaceBuilder::new(&mut eth)
.ethernet_addr(net_addresses.hardware_addr)
.ip_addrs(ip_addrs)
.neighbor_cache(neighbor_cache)
.finalize()
.ethernet_addr(net_addresses.hardware_addr)
.ip_addrs(ip_addrs)
.neighbor_cache(neighbor_cache)
.finalize()
}
None => {
let ip_addrs = [
IpCidr::new(net_addresses.ipv4_addr, 0),
IpCidr::new(net_addresses.ipv6_ll_addr, 0)
IpCidr::new(net_addresses.ipv6_ll_addr, 0),
];
EthernetInterfaceBuilder::new(&mut eth)
.ethernet_addr(net_addresses.hardware_addr)
.ip_addrs(ip_addrs)
.neighbor_cache(neighbor_cache)
.finalize()
.ethernet_addr(net_addresses.hardware_addr)
.ip_addrs(ip_addrs)
.neighbor_cache(neighbor_cache)
.finalize()
}
};
@@ -424,8 +472,10 @@ pub fn main(timer: GlobalTimer, cfg: Config) {
// 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(pl::csr::DRTIO.len(), &cfg)));
let drtio_routing_table = Rc::new(RefCell::new(drtio_routing::config_routing_table(
pl::csr::DRTIO.len(),
&cfg,
)));
#[cfg(not(has_drtio))]
let drtio_routing_table = Rc::new(RefCell::new(drtio_routing::RoutingTable::default_empty()));
let up_destinations = Rc::new(RefCell::new([false; drtio_routing::DEST_COUNT]));
@@ -497,14 +547,10 @@ pub fn main(timer: GlobalTimer, cfg: Config) {
}
});
Sockets::run(&mut iface, || {
Instant::from_millis(timer.get_time().0 as i32)
});
Sockets::run(&mut iface, || Instant::from_millis(timer.get_time().0 as i32));
}
pub fn soft_panic_main(timer: GlobalTimer, cfg: Config) -> ! {
let net_addresses = net_settings::get_addresses(&cfg);
info!("network addresses: {}", net_addresses);
@@ -522,24 +568,24 @@ pub fn soft_panic_main(timer: GlobalTimer, cfg: Config) -> ! {
let ip_addrs = [
IpCidr::new(net_addresses.ipv4_addr, 0),
IpCidr::new(net_addresses.ipv6_ll_addr, 0),
IpCidr::new(addr, 0)
IpCidr::new(addr, 0),
];
EthernetInterfaceBuilder::new(&mut eth)
.ethernet_addr(net_addresses.hardware_addr)
.ip_addrs(ip_addrs)
.neighbor_cache(neighbor_cache)
.finalize()
.ethernet_addr(net_addresses.hardware_addr)
.ip_addrs(ip_addrs)
.neighbor_cache(neighbor_cache)
.finalize()
}
None => {
let ip_addrs = [
IpCidr::new(net_addresses.ipv4_addr, 0),
IpCidr::new(net_addresses.ipv6_ll_addr, 0)
IpCidr::new(net_addresses.ipv6_ll_addr, 0),
];
EthernetInterfaceBuilder::new(&mut eth)
.ethernet_addr(net_addresses.hardware_addr)
.ip_addrs(ip_addrs)
.neighbor_cache(neighbor_cache)
.finalize()
.ethernet_addr(net_addresses.hardware_addr)
.ip_addrs(ip_addrs)
.neighbor_cache(neighbor_cache)
.finalize()
}
};
@@ -555,7 +601,5 @@ pub fn soft_panic_main(timer: GlobalTimer, cfg: Config) -> ! {
err_led.toggle(true);
}
Sockets::run(&mut iface, || {
Instant::from_millis(timer.get_time().0 as i32)
});
}
Sockets::run(&mut iface, || Instant::from_millis(timer.get_time().0 as i32));
}

224
src/runtime/src/eh_artiq.rs
View File

@@ -13,14 +13,14 @@
#![allow(non_camel_case_types)]
use core::mem;
use cslice::CSlice;
use unwind as uw;
use libc::{c_int, c_void, uintptr_t};
use log::{trace, error};
use crate::kernel::KERNEL_IMAGE;
use dwarf::eh::{self, EHAction, EHContext};
use libc::{c_int, c_void, uintptr_t};
use log::{error, trace};
use unwind as uw;
use crate::kernel::KERNEL_IMAGE;
const EXCEPTION_CLASS: uw::_Unwind_Exception_Class = 0x4d_4c_42_53_41_52_54_51; /* 'MLBSARTQ' */
@@ -32,13 +32,13 @@ const UNWIND_DATA_REG: (i32, i32) = (0, 1); // R0, R1
#[repr(C)]
#[derive(Clone, Copy)]
pub struct Exception<'a> {
pub id: u32,
pub file: CSlice<'a, u8>,
pub line: u32,
pub column: u32,
pub id: u32,
pub file: CSlice<'a, u8>,
pub line: u32,
pub column: u32,
pub function: CSlice<'a, u8>,
pub message: CSlice<'a, u8>,
pub param: [i64; 3]
pub message: CSlice<'a, u8>,
pub param: [i64; 3],
}
fn str_err(_: core::str::Utf8Error) -> core::fmt::Error {
@@ -55,12 +55,16 @@ fn exception_str<'a>(s: &'a CSlice<'a, u8>) -> Result<&'a str, core::str::Utf8Er
impl<'a> core::fmt::Debug for Exception<'a> {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
write!(f, "Exception {} from {} in {}:{}:{}, message: {}",
write!(
f,
"Exception {} from {} in {}:{}:{}, message: {}",
self.id,
exception_str(&self.function).map_err(str_err)?,
exception_str(&self.file).map_err(str_err)?,
self.line, self.column,
exception_str(&self.message).map_err(str_err)?)
self.line,
self.column,
exception_str(&self.message).map_err(str_err)?
)
}
}
@@ -91,9 +95,9 @@ struct ExceptionBuffer {
static mut EXCEPTION_BUFFER: ExceptionBuffer = ExceptionBuffer {
uw_exceptions: [uw::_Unwind_Exception {
exception_class: EXCEPTION_CLASS,
exception_class: EXCEPTION_CLASS,
exception_cleanup: cleanup,
private: [0; uw::unwinder_private_data_size],
private: [0; uw::unwinder_private_data_size],
}; MAX_INFLIGHT_EXCEPTIONS],
exceptions: [None; MAX_INFLIGHT_EXCEPTIONS + 1],
exception_stack: [-1; MAX_INFLIGHT_EXCEPTIONS + 1],
@@ -102,17 +106,17 @@ static mut EXCEPTION_BUFFER: ExceptionBuffer = ExceptionBuffer {
stack_pointers: [StackPointerBacktrace {
stack_pointer: 0,
initial_backtrace_size: 0,
current_backtrace_size: 0
current_backtrace_size: 0,
}; MAX_INFLIGHT_EXCEPTIONS + 1],
exception_count: 0
exception_count: 0,
};
pub unsafe extern fn reset_exception_buffer() {
pub unsafe extern "C" fn reset_exception_buffer() {
trace!("reset exception buffer");
EXCEPTION_BUFFER.uw_exceptions = [uw::_Unwind_Exception {
exception_class: EXCEPTION_CLASS,
exception_class: EXCEPTION_CLASS,
exception_cleanup: cleanup,
private: [0; uw::unwinder_private_data_size],
private: [0; uw::unwinder_private_data_size],
}; MAX_INFLIGHT_EXCEPTIONS];
EXCEPTION_BUFFER.exceptions = [None; MAX_INFLIGHT_EXCEPTIONS + 1];
EXCEPTION_BUFFER.exception_stack = [-1; MAX_INFLIGHT_EXCEPTIONS + 1];
@@ -120,26 +124,25 @@ pub unsafe extern fn reset_exception_buffer() {
EXCEPTION_BUFFER.exception_count = 0;
}
type _Unwind_Stop_Fn = extern "C" fn(version: c_int,
actions: i32,
exception_class: uw::_Unwind_Exception_Class,
exception_object: *mut uw::_Unwind_Exception,
context: *mut uw::_Unwind_Context,
stop_parameter: *mut c_void)
-> uw::_Unwind_Reason_Code;
type _Unwind_Stop_Fn = extern "C" fn(
version: c_int,
actions: i32,
exception_class: uw::_Unwind_Exception_Class,
exception_object: *mut uw::_Unwind_Exception,
context: *mut uw::_Unwind_Context,
stop_parameter: *mut c_void,
) -> uw::_Unwind_Reason_Code;
extern {
extern "C" {
// not defined in EHABI, but LLVM added it and is useful to us
fn _Unwind_ForcedUnwind(exception: *mut uw::_Unwind_Exception,
stop_fn: _Unwind_Stop_Fn,
stop_parameter: *mut c_void) -> uw::_Unwind_Reason_Code;
fn _Unwind_ForcedUnwind(
exception: *mut uw::_Unwind_Exception,
stop_fn: _Unwind_Stop_Fn,
stop_parameter: *mut c_void,
) -> uw::_Unwind_Reason_Code;
}
unsafe fn find_eh_action(
context: *mut uw::_Unwind_Context,
foreign_exception: bool,
id: u32,
) -> Result<EHAction, ()> {
unsafe fn find_eh_action(context: *mut uw::_Unwind_Context, foreign_exception: bool, id: u32) -> Result<EHAction, ()> {
let lsda = uw::_Unwind_GetLanguageSpecificData(context) as *const u8;
let mut ip_before_instr: c_int = 0;
let ip = uw::_Unwind_GetIPInfo(context, &mut ip_before_instr);
@@ -154,10 +157,11 @@ unsafe fn find_eh_action(
eh::find_eh_action(lsda, &eh_context, foreign_exception, id)
}
pub unsafe fn artiq_personality(_state: uw::_Unwind_State,
exception_object: *mut uw::_Unwind_Exception,
context: *mut uw::_Unwind_Context)
-> uw::_Unwind_Reason_Code {
pub unsafe fn artiq_personality(
_state: uw::_Unwind_State,
exception_object: *mut uw::_Unwind_Exception,
context: *mut uw::_Unwind_Context,
) -> uw::_Unwind_Reason_Code {
// we will only do phase 2 forced unwinding now
// The DWARF unwinder assumes that _Unwind_Context holds things like the function
// and LSDA pointers, however ARM EHABI places them into the exception object.
@@ -165,9 +169,7 @@ pub unsafe fn artiq_personality(_state: uw::_Unwind_State,
// take only the context pointer, GCC personality routines stash a pointer to
// exception_object in the context, using location reserved for ARM's
// "scratch register" (r12).
uw::_Unwind_SetGR(context,
uw::UNWIND_POINTER_REG,
exception_object as uw::_Unwind_Ptr);
uw::_Unwind_SetGR(context, uw::UNWIND_POINTER_REG, exception_object as uw::_Unwind_Ptr);
// ...A more principled approach would be to provide the full definition of ARM's
// _Unwind_Context in our libunwind bindings and fetch the required data from there
// directly, bypassing DWARF compatibility functions.
@@ -186,10 +188,8 @@ pub unsafe fn artiq_personality(_state: uw::_Unwind_State,
};
match eh_action {
EHAction::None => return continue_unwind(exception_object, context),
EHAction::Cleanup(lpad) |
EHAction::Catch(lpad) => {
uw::_Unwind_SetGR(context, UNWIND_DATA_REG.0,
exception_object as uintptr_t);
EHAction::Cleanup(lpad) | EHAction::Catch(lpad) => {
uw::_Unwind_SetGR(context, UNWIND_DATA_REG.0, exception_object as uintptr_t);
uw::_Unwind_SetGR(context, UNWIND_DATA_REG.1, exception as *const _ as uw::_Unwind_Word);
uw::_Unwind_SetIP(context, lpad);
return uw::_URC_INSTALL_CONTEXT;
@@ -199,9 +199,10 @@ pub unsafe fn artiq_personality(_state: uw::_Unwind_State,
// On ARM EHABI the personality routine is responsible for actually
// unwinding a single stack frame before returning (ARM EHABI Sec. 6.1).
unsafe fn continue_unwind(exception_object: *mut uw::_Unwind_Exception,
context: *mut uw::_Unwind_Context)
-> uw::_Unwind_Reason_Code {
unsafe fn continue_unwind(
exception_object: *mut uw::_Unwind_Exception,
context: *mut uw::_Unwind_Context,
) -> uw::_Unwind_Reason_Code {
let reason = __gnu_unwind_frame(exception_object, context);
if reason == uw::_URC_NO_REASON {
uw::_URC_CONTINUE_UNWIND
@@ -211,13 +212,14 @@ pub unsafe fn artiq_personality(_state: uw::_Unwind_State,
}
// defined in libgcc
extern "C" {
fn __gnu_unwind_frame(exception_object: *mut uw::_Unwind_Exception,
context: *mut uw::_Unwind_Context)
-> uw::_Unwind_Reason_Code;
fn __gnu_unwind_frame(
exception_object: *mut uw::_Unwind_Exception,
context: *mut uw::_Unwind_Context,
) -> uw::_Unwind_Reason_Code;
}
}
pub unsafe extern fn raise(exception: *const Exception) -> ! {
pub unsafe extern "C" fn raise(exception: *const Exception) -> ! {
use cslice::AsCSlice;
let count = EXCEPTION_BUFFER.exception_count;
@@ -244,8 +246,11 @@ pub unsafe extern fn raise(exception: *const Exception) -> ! {
}
}
assert!(found);
let _result = _Unwind_ForcedUnwind(&mut EXCEPTION_BUFFER.uw_exceptions[stack[count - 1] as usize],
stop_fn, core::ptr::null_mut());
let _result = _Unwind_ForcedUnwind(
&mut EXCEPTION_BUFFER.uw_exceptions[stack[count - 1] as usize],
stop_fn,
core::ptr::null_mut(),
);
} else {
if count < MAX_INFLIGHT_EXCEPTIONS {
trace!("raising exception at level {}", count);
@@ -253,34 +258,33 @@ pub unsafe extern fn raise(exception: *const Exception) -> ! {
for (i, slot) in EXCEPTION_BUFFER.exceptions.iter_mut().enumerate() {
// we should always be able to find a slot
if slot.is_none() {
*slot = Some(
*mem::transmute::<*const Exception, *const Exception<'static>>
(exception));
*slot = Some(*mem::transmute::<*const Exception, *const Exception<'static>>(
exception,
));
EXCEPTION_BUFFER.exception_stack[count] = i as isize;
EXCEPTION_BUFFER.uw_exceptions[i].private =
[0; uw::unwinder_private_data_size];
EXCEPTION_BUFFER.uw_exceptions[i].private = [0; uw::unwinder_private_data_size];
EXCEPTION_BUFFER.stack_pointers[i] = StackPointerBacktrace {
stack_pointer: 0,
initial_backtrace_size: EXCEPTION_BUFFER.backtrace_size,
current_backtrace_size: 0,
};
EXCEPTION_BUFFER.exception_count += 1;
let _result = _Unwind_ForcedUnwind(&mut EXCEPTION_BUFFER.uw_exceptions[i],
stop_fn, core::ptr::null_mut());
let _result =
_Unwind_ForcedUnwind(&mut EXCEPTION_BUFFER.uw_exceptions[i], stop_fn, core::ptr::null_mut());
}
}
} else {
error!("too many nested exceptions");
// TODO: better reporting?
let exception = Exception {
id: get_exception_id("RuntimeError"),
file: file!().as_c_slice(),
line: line!(),
column: column!(),
id: get_exception_id("RuntimeError"),
file: file!().as_c_slice(),
line: line!(),
column: column!(),
// https://github.com/rust-lang/rfcs/pull/1719
function: "__artiq_raise".as_c_slice(),
message: "too many nested exceptions".as_c_slice(),
param: [0, 0, 0]
message: "too many nested exceptions".as_c_slice(),
param: [0, 0, 0],
};
EXCEPTION_BUFFER.exceptions[MAX_INFLIGHT_EXCEPTIONS] = Some(mem::transmute(exception));
EXCEPTION_BUFFER.stack_pointers[MAX_INFLIGHT_EXCEPTIONS] = Default::default();
@@ -291,17 +295,20 @@ pub unsafe extern fn raise(exception: *const Exception) -> ! {
unreachable!();
}
pub unsafe extern fn resume() -> ! {
pub unsafe extern "C" fn resume() -> ! {
trace!("resume");
assert!(EXCEPTION_BUFFER.exception_count != 0);
let i = EXCEPTION_BUFFER.exception_stack[EXCEPTION_BUFFER.exception_count - 1];
assert!(i != -1);
let _result = _Unwind_ForcedUnwind(&mut EXCEPTION_BUFFER.uw_exceptions[i as usize],
stop_fn, core::ptr::null_mut());
let _result = _Unwind_ForcedUnwind(
&mut EXCEPTION_BUFFER.uw_exceptions[i as usize],
stop_fn,
core::ptr::null_mut(),
);
unreachable!()
}
pub unsafe extern fn end_catch() {
pub unsafe extern "C" fn end_catch() {
let mut count = EXCEPTION_BUFFER.exception_count;
assert!(count != 0);
// we remove all exceptions with SP <= current exception SP
@@ -309,8 +316,7 @@ pub unsafe extern fn end_catch() {
let index = EXCEPTION_BUFFER.exception_stack[count - 1] as usize;
EXCEPTION_BUFFER.exception_stack[count - 1] = -1;
EXCEPTION_BUFFER.exceptions[index] = None;
let outer_sp = EXCEPTION_BUFFER.stack_pointers
[index].stack_pointer;
let outer_sp = EXCEPTION_BUFFER.stack_pointers[index].stack_pointer;
count -= 1;
for i in (0..count).rev() {
let index = EXCEPTION_BUFFER.exception_stack[i];
@@ -334,8 +340,7 @@ pub unsafe extern fn end_catch() {
};
}
extern fn cleanup(_unwind_code: uw::_Unwind_Reason_Code,
_uw_exception: *mut uw::_Unwind_Exception) {
extern "C" fn cleanup(_unwind_code: uw::_Unwind_Reason_Code, _uw_exception: *mut uw::_Unwind_Exception) {
unimplemented!()
}
@@ -345,18 +350,26 @@ fn uncaught_exception() -> ! {
for i in 0..EXCEPTION_BUFFER.exception_count {
if EXCEPTION_BUFFER.exception_stack[i] != i as isize {
// find the correct index
let index = EXCEPTION_BUFFER.exception_stack
let index = EXCEPTION_BUFFER
.exception_stack
.iter()
.position(|v| *v == i as isize).unwrap();
.position(|v| *v == i as isize)
.unwrap();
let a = EXCEPTION_BUFFER.exception_stack[index];
let b = EXCEPTION_BUFFER.exception_stack[i];
assert!(a != -1 && b != -1);
core::mem::swap(&mut EXCEPTION_BUFFER.exception_stack[index],
&mut EXCEPTION_BUFFER.exception_stack[i]);
core::mem::swap(&mut EXCEPTION_BUFFER.exceptions[a as usize],
&mut EXCEPTION_BUFFER.exceptions[b as usize]);
core::mem::swap(&mut EXCEPTION_BUFFER.stack_pointers[a as usize],
&mut EXCEPTION_BUFFER.stack_pointers[b as usize]);
core::mem::swap(
&mut EXCEPTION_BUFFER.exception_stack[index],
&mut EXCEPTION_BUFFER.exception_stack[i],
);
core::mem::swap(
&mut EXCEPTION_BUFFER.exceptions[a as usize],
&mut EXCEPTION_BUFFER.exceptions[b as usize],
);
core::mem::swap(
&mut EXCEPTION_BUFFER.stack_pointers[a as usize],
&mut EXCEPTION_BUFFER.stack_pointers[b as usize],
);
}
}
}
@@ -364,17 +377,20 @@ fn uncaught_exception() -> ! {
crate::kernel::core1::terminate(
EXCEPTION_BUFFER.exceptions[..EXCEPTION_BUFFER.exception_count].as_ref(),
EXCEPTION_BUFFER.stack_pointers[..EXCEPTION_BUFFER.exception_count].as_ref(),
EXCEPTION_BUFFER.backtrace[..EXCEPTION_BUFFER.backtrace_size].as_mut())
EXCEPTION_BUFFER.backtrace[..EXCEPTION_BUFFER.backtrace_size].as_mut(),
)
}
}
// stop function which would be executed when we unwind each frame
extern fn stop_fn(_version: c_int,
actions: i32,
_uw_exception_class: uw::_Unwind_Exception_Class,
_uw_exception: *mut uw::_Unwind_Exception,
context: *mut uw::_Unwind_Context,
_stop_parameter: *mut c_void) -> uw::_Unwind_Reason_Code {
extern "C" fn stop_fn(
_version: c_int,
actions: i32,
_uw_exception_class: uw::_Unwind_Exception_Class,
_uw_exception: *mut uw::_Unwind_Exception,
context: *mut uw::_Unwind_Context,
_stop_parameter: *mut c_void,
) -> uw::_Unwind_Reason_Code {
unsafe {
let load_addr = KERNEL_IMAGE.as_ref().unwrap().get_load_addr();
let backtrace_size = EXCEPTION_BUFFER.backtrace_size;
@@ -423,7 +439,7 @@ static EXCEPTION_ID_LOOKUP: [(&str, u32); 11] = [
pub fn get_exception_id(name: &str) -> u32 {
for (n, id) in EXCEPTION_ID_LOOKUP.iter() {
if *n == name {
return *id
return *id;
}
}
unimplemented!("unallocated internal exception id")
@@ -431,26 +447,24 @@ pub fn get_exception_id(name: &str) -> u32 {
#[macro_export]
macro_rules! artiq_raise {
($name:expr, $message:expr, $param0:expr, $param1:expr, $param2:expr) => ({
($name:expr, $message:expr, $param0:expr, $param1:expr, $param2:expr) => {{
use cslice::AsCSlice;
let name_id = $crate::eh_artiq::get_exception_id($name);
let message_cl = $message.clone();
let exn = $crate::eh_artiq::Exception {
id: name_id,
file: file!().as_c_slice(),
line: line!(),
column: column!(),
id: name_id,
file: file!().as_c_slice(),
line: line!(),
column: column!(),
// https://github.com/rust-lang/rfcs/pull/1719
function: "(Rust function)".as_c_slice(),
message: message_cl.as_c_slice(),
param: [$param0, $param1, $param2]
message: message_cl.as_c_slice(),
param: [$param0, $param1, $param2],
};
#[allow(unused_unsafe)]
unsafe {
$crate::eh_artiq::raise(&exn)
}
});
($name:expr, $message:expr) => ({
artiq_raise!($name, $message, 0, 0, 0)
});
}};
($name:expr, $message:expr) => {{ artiq_raise!($name, $message, 0, 0, 0) }};
}

25
src/runtime/src/i2c.rs
View File

@@ -1,9 +1,10 @@
use libboard_zynq;
use crate::artiq_raise;
pub static mut I2C_BUS: Option<libboard_zynq::i2c::I2c> = None;
pub extern fn start(busno: i32) {
pub extern "C" fn start(busno: i32) {
if busno > 0 {
artiq_raise!("I2CError", "I2C bus could not be accessed");
}
@@ -14,7 +15,7 @@ pub extern fn start(busno: i32) {
}
}
pub extern fn restart(busno: i32) {
pub extern "C" fn restart(busno: i32) {
if busno > 0 {
artiq_raise!("I2CError", "I2C bus could not be accessed");
}
@@ -25,7 +26,7 @@ pub extern fn restart(busno: i32) {
}
}
pub extern fn stop(busno: i32) {
pub extern "C" fn stop(busno: i32) {
if busno > 0 {
artiq_raise!("I2CError", "I2C bus could not be accessed");
}
@@ -36,7 +37,7 @@ pub extern fn stop(busno: i32) {
}
}
pub extern fn write(busno: i32, data: i32) -> bool {
pub extern "C" fn write(busno: i32, data: i32) -> bool {
if busno > 0 {
artiq_raise!("I2CError", "I2C bus could not be accessed");
}
@@ -48,7 +49,7 @@ pub extern fn write(busno: i32, data: i32) -> bool {
}
}
pub extern fn read(busno: i32, ack: bool) -> i32 {
pub extern "C" fn read(busno: i32, ack: bool) -> i32 {
if busno > 0 {
artiq_raise!("I2CError", "I2C bus could not be accessed");
}
@@ -60,11 +61,12 @@ pub extern fn read(busno: i32, ack: bool) -> i32 {
}
}
pub extern fn switch_select(busno: i32, address: i32, mask: i32) {
pub extern "C" fn switch_select(busno: i32, address: i32, mask: i32) {
if busno > 0 {
artiq_raise!("I2CError", "I2C bus could not be accessed");
}
let ch = match mask { //decode from mainline, PCA9548-centric API
let ch = match mask {
//decode from mainline, PCA9548-centric API
0x00 => None,
0x01 => Some(0),
0x02 => Some(1),
@@ -74,10 +76,15 @@ pub extern fn switch_select(busno: i32, address: i32, mask: i32) {
0x20 => Some(5),
0x40 => Some(6),
0x80 => Some(7),
_ => artiq_raise!("I2CError", "switch select supports only one channel")
_ => artiq_raise!("I2CError", "switch select supports only one channel"),
};
unsafe {
if (&mut I2C_BUS).as_mut().unwrap().pca954x_select(address as u8, ch).is_err() {
if (&mut I2C_BUS)
.as_mut()
.unwrap()
.pca954x_select(address as u8, ch)
.is_err()
{
artiq_raise!("I2CError", "switch select failed");
}
}

11
src/runtime/src/irq.rs
View File

@@ -1,12 +1,9 @@
use libboard_zynq::{gic, mpcore, println, stdio};
use libcortex_a9::{
asm, interrupt_handler,
regs::MPIDR,
spin_lock_yield, notify_spin_lock
};
use libregister::RegisterR;
use core::sync::atomic::{AtomicBool, Ordering};
use libboard_zynq::{gic, mpcore, println, stdio};
use libcortex_a9::{asm, interrupt_handler, notify_spin_lock, regs::MPIDR, spin_lock_yield};
use libregister::RegisterR;
extern "C" {
static mut __stack1_start: u32;
fn main_core1() -> !;

88
src/runtime/src/kernel/api.rs
View File

@@ -1,29 +1,25 @@
use core::ffi::VaList;
use core::ptr;
use core::str;
use alloc::vec;
use core::{ffi::VaList, ptr, str};
use libc::{c_char, c_int, size_t};
use libm;
use log::{info, warn};
use alloc::vec;
use crate::eh_artiq;
use crate::rtio;
use crate::i2c;
use super::rpc::{rpc_send, rpc_send_async, rpc_recv};
use super::dma;
use super::cache;
use super::core1::rtio_get_destination_status;
use super::{cache,
core1::rtio_get_destination_status,
dma,
rpc::{rpc_recv, rpc_send, rpc_send_async}};
use crate::{eh_artiq, i2c, rtio};
extern "C" {
fn vsnprintf_(buffer: *mut c_char, count: size_t, format: *const c_char, va: VaList) -> c_int;
}
unsafe extern fn core_log(fmt: *const c_char, mut args: ...) {
unsafe extern "C" fn core_log(fmt: *const c_char, mut args: ...) {
let size = vsnprintf_(ptr::null_mut(), 0, fmt, args.as_va_list()) as usize;
let mut buf = vec![0; size + 1];
vsnprintf_(buf.as_mut_ptr() as *mut i8, size + 1, fmt, args.as_va_list());
let buf: &[u8] = &buf.as_slice()[..size-1]; // strip \n and NUL
let buf: &[u8] = &buf.as_slice()[..size - 1]; // strip \n and NUL
match str::from_utf8(buf) {
Ok(s) => info!("kernel: {}", s),
Err(e) => {
@@ -33,14 +29,13 @@ unsafe extern fn core_log(fmt: *const c_char, mut args: ...) {
}
}
unsafe extern fn rtio_log(fmt: *const c_char, mut args: ...) {
unsafe extern "C" fn rtio_log(fmt: *const c_char, mut args: ...) {
let size = vsnprintf_(ptr::null_mut(), 0, fmt, args.as_va_list()) as usize;
let mut buf = vec![0; size + 1];
vsnprintf_(buf.as_mut_ptr(), size + 1, fmt, args.as_va_list());
rtio::write_log(buf.as_slice());
}
macro_rules! api {
($i:ident) => ({
extern { static $i: u8; }
@@ -56,24 +51,25 @@ macro_rules! api {
}
macro_rules! api_libm_f64f64 {
($i:ident) => ({
extern fn $i(x: f64) -> f64 {
($i:ident) => {{
extern "C" fn $i(x: f64) -> f64 {
libm::$i(x)
}
api!($i = $i)
})
}};
}
macro_rules! api_libm_f64f64f64 {
($i:ident) => ({
extern fn $i(x: f64, y: f64) -> f64 {
($i:ident) => {{
extern "C" fn $i(x: f64, y: f64) -> f64 {
libm::$i(x, y)
}
api!($i = $i)
})
}};
}
pub fn resolve(required: &[u8]) -> Option<u32> {
#[rustfmt::skip]
let api = &[
// timing
api!(now_mu = rtio::now_mu),
@@ -124,6 +120,7 @@ pub fn resolve(required: &[u8]) -> Option<u32> {
api!(__aeabi_ddiv),
api!(__aeabi_dmul),
api!(__aeabi_dsub),
// Double-precision floating-point comparison helper functions
// RTABI chapter 4.1.2, Table 3
api!(__aeabi_dcmpeq),
@@ -133,12 +130,14 @@ pub fn resolve(required: &[u8]) -> Option<u32> {
api!(__aeabi_dcmpge),
api!(__aeabi_dcmpgt),
api!(__aeabi_dcmpun),
// Single-precision floating-point arithmetic helper functions
// RTABI chapter 4.1.2, Table 4
api!(__aeabi_fadd),
api!(__aeabi_fdiv),
api!(__aeabi_fmul),
api!(__aeabi_fsub),
// Single-precision floating-point comparison helper functions
// RTABI chapter 4.1.2, Table 5
api!(__aeabi_fcmpeq),
@@ -148,6 +147,7 @@ pub fn resolve(required: &[u8]) -> Option<u32> {
api!(__aeabi_fcmpge),
api!(__aeabi_fcmpgt),
api!(__aeabi_fcmpun),
// Floating-point to integer conversions.
// RTABI chapter 4.1.2, Table 6
api!(__aeabi_d2iz),
@@ -158,9 +158,11 @@ pub fn resolve(required: &[u8]) -> Option<u32> {
api!(__aeabi_f2uiz),
api!(__aeabi_f2lz),
api!(__aeabi_f2ulz),
// Conversions between floating types.
// RTABI chapter 4.1.2, Table 7
api!(__aeabi_f2d),
// Integer to floating-point conversions.
// RTABI chapter 4.1.2, Table 8
api!(__aeabi_i2d),
@@ -171,12 +173,14 @@ pub fn resolve(required: &[u8]) -> Option<u32> {
api!(__aeabi_ui2f),
api!(__aeabi_l2f),
api!(__aeabi_ul2f),
// Long long helper functions
// RTABI chapter 4.2, Table 9
api!(__aeabi_lmul),
api!(__aeabi_llsl),
api!(__aeabi_llsr),
api!(__aeabi_lasr),
// Integer division functions
// RTABI chapter 4.3.1
api!(__aeabi_idiv),
@@ -184,6 +188,7 @@ pub fn resolve(required: &[u8]) -> Option<u32> {
api!(__aeabi_idivmod),
api!(__aeabi_uidiv),
api!(__aeabi_uldivmod),
// 4.3.4 Memory copying, clearing, and setting
api!(__aeabi_memcpy8),
api!(__aeabi_memcpy4),
@@ -199,10 +204,30 @@ pub fn resolve(required: &[u8]) -> Option<u32> {
api!(__aeabi_memclr),
// libc
api!(memcpy, extern { fn memcpy(dest: *mut u8, src: *const u8, n: usize) -> *mut u8; }),
api!(memmove, extern { fn memmove(dest: *mut u8, src: *const u8, n: usize) -> *mut u8; }),
api!(memset, extern { fn memset(s: *mut u8, c: i32, n: usize) -> *mut u8; }),
api!(memcmp, extern { fn memcmp(s1: *const u8, s2: *const u8, n: usize) -> i32; }),
api!(
memcpy,
extern "C" {
fn memcpy(dest: *mut u8, src: *const u8, n: usize) -> *mut u8;
}
),
api!(
memmove,
extern "C" {
fn memmove(dest: *mut u8, src: *const u8, n: usize) -> *mut u8;
}
),
api!(
memset,
extern "C" {
fn memset(s: *mut u8, c: i32, n: usize) -> *mut u8;
}
),
api!(
memcmp,
extern "C" {
fn memcmp(s1: *const u8, s2: *const u8, n: usize) -> i32;
}
),
// exceptions
api!(_Unwind_Resume = unwind::_Unwind_Resume),
@@ -210,6 +235,7 @@ pub fn resolve(required: &[u8]) -> Option<u32> {
api!(__nac3_raise = eh_artiq::raise),
api!(__nac3_resume = eh_artiq::resume),
api!(__nac3_end_catch = eh_artiq::end_catch),
// legacy exception symbols
api!(__artiq_personality = eh_artiq::artiq_personality),
api!(__artiq_raise = eh_artiq::raise),
@@ -241,7 +267,7 @@ pub fn resolve(required: &[u8]) -> Option<u32> {
api_libm_f64f64!(fabs),
api_libm_f64f64!(floor),
{
extern fn fma(x: f64, y: f64, z: f64) -> f64 {
extern "C" fn fma(x: f64, y: f64, z: f64) -> f64 {
libm::fma(x, y, z)
}
api!(fma = fma)
@@ -253,7 +279,7 @@ pub fn resolve(required: &[u8]) -> Option<u32> {
api_libm_f64f64!(j0),
api_libm_f64f64!(j1),
{
extern fn jn(n: i32, x: f64) -> f64 {
extern "C" fn jn(n: i32, x: f64) -> f64 {
libm::jn(n, x)
}
api!(jn = jn)
@@ -275,13 +301,13 @@ pub fn resolve(required: &[u8]) -> Option<u32> {
api_libm_f64f64!(y0),
api_libm_f64f64!(y1),
{
extern fn yn(n: i32, x: f64) -> f64 {
extern "C" fn yn(n: i32, x: f64) -> f64 {
libm::yn(n, x)
}
api!(yn = yn)
},
];
api.iter()
.find(|&&(exported, _)| exported.as_bytes() == required)
.map(|&(_, ptr)| ptr as u32)
.find(|&&(exported, _)| exported.as_bytes() == required)
.map(|&(_, ptr)| ptr as u32)
}

25
src/runtime/src/kernel/cache.rs
View File

@@ -1,12 +1,17 @@
use alloc::{string::String, boxed::Box};
use cslice::{CSlice, AsCSlice};
use core::mem::{transmute, forget};
use super::{KERNEL_CHANNEL_0TO1, KERNEL_CHANNEL_1TO0, Message};
use alloc::{boxed::Box, string::String};
use core::mem::{forget, transmute};
pub extern fn get(key: CSlice<u8>) -> &CSlice<'static, i32> {
use cslice::{AsCSlice, CSlice};
use super::{Message, KERNEL_CHANNEL_0TO1, KERNEL_CHANNEL_1TO0};
pub extern "C" fn get(key: CSlice<u8>) -> &CSlice<'static, i32> {
let key = String::from_utf8(key.as_ref().to_vec()).unwrap();
unsafe {
KERNEL_CHANNEL_1TO0.as_mut().unwrap().send(Message::CacheGetRequest(key));
KERNEL_CHANNEL_1TO0
.as_mut()
.unwrap()
.send(Message::CacheGetRequest(key));
let msg = KERNEL_CHANNEL_0TO1.as_mut().unwrap().recv();
if let Message::CacheGetReply(v) = msg {
let leaked = Box::new(v.as_c_slice());
@@ -20,11 +25,13 @@ pub extern fn get(key: CSlice<u8>) -> &CSlice<'static, i32> {
}
}
pub extern fn put(key: CSlice<u8>, list: &CSlice<i32>) {
pub extern "C" fn put(key: CSlice<u8>, list: &CSlice<i32>) {
let key = String::from_utf8(key.as_ref().to_vec()).unwrap();
let value = list.as_ref().to_vec();
unsafe {
KERNEL_CHANNEL_1TO0.as_mut().unwrap().send(Message::CachePutRequest(key, value));
KERNEL_CHANNEL_1TO0
.as_mut()
.unwrap()
.send(Message::CachePutRequest(key, value));
}
}

9
src/runtime/src/kernel/control.rs
View File

@@ -1,11 +1,11 @@
use libcortex_a9::sync_channel::{Sender, Receiver};
use core::mem::{forget, replace};
use libcortex_a9::sync_channel::{Receiver, Sender};
use libsupport_zynq::boot::Core1;
use super::{CHANNEL_0TO1, CHANNEL_1TO0, CHANNEL_SEM, INIT_LOCK, Message};
use super::{Message, CHANNEL_0TO1, CHANNEL_1TO0, CHANNEL_SEM, INIT_LOCK};
use crate::irq::restart_core1;
use core::mem::{forget, replace};
pub struct Control {
pub tx: Sender<'static, Message>,
pub rx: Receiver<'static, Message>,
@@ -53,4 +53,3 @@ impl Control {
forget(replace(&mut self.rx, core0_rx));
}
}

98
src/runtime/src/kernel/core1.rs
View File

@@ -1,31 +1,20 @@
//! Kernel prologue/epilogue that runs on the 2nd CPU core
use core::{mem, ptr, cell::UnsafeCell};
use alloc::borrow::ToOwned;
use log::{debug, info, error};
use cslice::CSlice;
use core::{cell::UnsafeCell, mem, ptr};
use libcortex_a9::{
enable_fpu,
cache::{dcci_slice, iciallu, bpiall},
asm::{dsb, isb},
sync_channel,
};
use libboard_zynq::{mpcore, gic};
use cslice::CSlice;
use dyld::{self, elf::EXIDX_Entry, Library};
use libboard_zynq::{gic, mpcore};
use libcortex_a9::{asm::{dsb, isb},
cache::{bpiall, dcci_slice, iciallu},
enable_fpu, sync_channel};
use libsupport_zynq::ram;
use dyld::{self, Library, elf::EXIDX_Entry};
use log::{debug, error, info};
use super::{api::resolve, dma, rpc::rpc_send_async, Message, CHANNEL_0TO1, CHANNEL_1TO0, CHANNEL_SEM, INIT_LOCK,
KERNEL_CHANNEL_0TO1, KERNEL_CHANNEL_1TO0, KERNEL_IMAGE};
use crate::{eh_artiq, get_async_errors, rtio};
use super::{
api::resolve,
rpc::rpc_send_async,
INIT_LOCK,
CHANNEL_0TO1, CHANNEL_1TO0,
CHANNEL_SEM,
KERNEL_CHANNEL_0TO1, KERNEL_CHANNEL_1TO0,
KERNEL_IMAGE,
Message,
dma,
};
// linker symbols
extern "C" {
@@ -38,13 +27,13 @@ extern "C" {
unsafe fn attribute_writeback(typeinfo: *const ()) {
struct Attr {
offset: usize,
tag: CSlice<'static, u8>,
name: CSlice<'static, u8>
tag: CSlice<'static, u8>,
name: CSlice<'static, u8>,
}
struct Type {
attributes: *const *const Attr,
objects: *const *const ()
objects: *const *const (),
}
let mut tys = typeinfo as *const *const Type;
@@ -63,11 +52,16 @@ unsafe fn attribute_writeback(typeinfo: *const ()) {
attributes = attributes.offset(1);
if (*attribute).tag.len() > 0 {
rpc_send_async(0, &(*attribute).tag, [
&object as *const _ as *const (),
&(*attribute).name as *const _ as *const (),
(object as usize + (*attribute).offset) as *const ()
].as_ptr());
rpc_send_async(
0,
&(*attribute).tag,
[
&object as *const _ as *const (),
&(*attribute).name as *const _ as *const (),
(object as usize + (*attribute).offset) as *const (),
]
.as_ptr(),
);
}
}
}
@@ -82,7 +76,8 @@ pub struct KernelImage {
impl KernelImage {
pub fn new(library: Library) -> Result<Self, dyld::Error> {
let __modinit__ = library.lookup(b"__modinit__")
let __modinit__ = library
.lookup(b"__modinit__")
.ok_or(dyld::Error::Lookup("__modinit__".to_owned()))?;
let typeinfo = library.lookup(b"typeinfo");
@@ -90,8 +85,7 @@ impl KernelImage {
let bss_start = library.lookup(b"__bss_start");
let end = library.lookup(b"_end");
if let Some(bss_start) = bss_start {
let end = end
.ok_or(dyld::Error::Lookup("_end".to_owned()))?;
let end = end.ok_or(dyld::Error::Lookup("_end".to_owned()))?;
unsafe {
ptr::write_bytes(bss_start as *mut u8, 0, (end - bss_start) as usize);
}
@@ -126,9 +120,7 @@ impl KernelImage {
}
pub fn get_load_addr(&self) -> usize {
unsafe {
self.library.get().as_ref().unwrap().image.as_ptr() as usize
}
unsafe { self.library.get().as_ref().unwrap().image.as_ptr() as usize }
}
}
@@ -164,20 +156,19 @@ pub extern "C" fn main_core1() {
let message = core1_rx.recv();
match message {
Message::LoadRequest(data) => {
let result = dyld::load(&data, &resolve)
.and_then(KernelImage::new);
let result = dyld::load(&data, &resolve).and_then(KernelImage::new);
match result {
Ok(kernel) => {
loaded_kernel = Some(kernel);
debug!("kernel loaded");
core1_tx.send(Message::LoadCompleted);
},
}
Err(error) => {
error!("failed to load shared library: {}", error);
core1_tx.send(Message::LoadFailed);
}
}
},
}
Message::StartRequest => {
info!("kernel starting");
if let Some(kernel) = loaded_kernel.take() {
@@ -202,9 +193,11 @@ pub extern "C" fn main_core1() {
}
/// Called by eh_artiq
pub fn terminate(exceptions: &'static [Option<eh_artiq::Exception<'static>>],
stack_pointers: &'static [eh_artiq::StackPointerBacktrace],
backtrace: &'static mut [(usize, usize)]) -> ! {
pub fn terminate(
exceptions: &'static [Option<eh_artiq::Exception<'static>>],
stack_pointers: &'static [eh_artiq::StackPointerBacktrace],
backtrace: &'static mut [(usize, usize)],
) -> ! {
{
let core1_tx = unsafe { KERNEL_CHANNEL_1TO0.as_mut().unwrap() };
let errors = unsafe { get_async_errors() };
@@ -215,7 +208,7 @@ pub fn terminate(exceptions: &'static [Option<eh_artiq::Exception<'static>>],
/// Called by llvm_libunwind
#[no_mangle]
extern fn dl_unwind_find_exidx(pc: *const u32, len_ptr: *mut u32) -> *const u32 {
extern "C" fn dl_unwind_find_exidx(pc: *const u32, len_ptr: *mut u32) -> *const u32 {
let length;
let start: *const EXIDX_Entry;
unsafe {
@@ -223,9 +216,14 @@ extern fn dl_unwind_find_exidx(pc: *const u32, len_ptr: *mut u32) -> *const u32
length = (&__exidx_end as *const EXIDX_Entry).offset_from(&__exidx_start) as u32;
start = &__exidx_start;
} else if KERNEL_IMAGE != ptr::null() {
let exidx = KERNEL_IMAGE.as_ref()
let exidx = KERNEL_IMAGE
.as_ref()
.expect("dl_unwind_find_exidx kernel image")
.library.get().as_ref().unwrap().exidx();
.library
.get()
.as_ref()
.unwrap()
.exidx();
length = exidx.len() as u32;
start = exidx.as_ptr();
} else {
@@ -237,7 +235,7 @@ extern fn dl_unwind_find_exidx(pc: *const u32, len_ptr: *mut u32) -> *const u32
start as *const u32
}
pub extern fn rtio_get_destination_status(destination: i32) -> bool {
pub extern "C" fn rtio_get_destination_status(destination: i32) -> bool {
#[cfg(has_drtio)]
if destination > 0 && destination < 255 {
let reply = unsafe {
@@ -248,9 +246,9 @@ pub extern fn rtio_get_destination_status(destination: i32) -> bool {
};
return match reply {
Message::UpDestinationsReply(x) => x,
_ => panic!("received unexpected reply to UpDestinationsRequest: {:?}", reply)
_ => panic!("received unexpected reply to UpDestinationsRequest: {:?}", reply),
};
}
}
destination == 0
}
}

113
src/runtime/src/kernel/dma.rs
View File

@@ -1,21 +1,18 @@
use crate::{
pl::csr,
artiq_raise,
rtio,
};
use alloc::{vec::Vec, string::String, boxed::Box};
use cslice::CSlice;
use super::{KERNEL_IMAGE, KERNEL_CHANNEL_0TO1, KERNEL_CHANNEL_1TO0, Message};
use alloc::{boxed::Box, string::String, vec::Vec};
use core::mem;
use cslice::CSlice;
use libcortex_a9::cache::dcci_slice;
use super::{Message, KERNEL_CHANNEL_0TO1, KERNEL_CHANNEL_1TO0, KERNEL_IMAGE};
use crate::{artiq_raise, pl::csr, rtio};
const ALIGNMENT: usize = 16 * 8;
#[repr(C)]
pub struct DmaTrace {
duration: i64,
address: i32,
address: i32,
}
#[derive(Clone, Debug)]
@@ -33,10 +30,13 @@ pub unsafe fn init_dma_recorder() {
mem::forget(mem::replace(&mut RECORDER, None));
}
pub extern fn dma_record_start(name: CSlice<u8>) {
pub extern "C" fn dma_record_start(name: CSlice<u8>) {
let name = String::from_utf8(name.as_ref().to_vec()).unwrap();
unsafe {
KERNEL_CHANNEL_1TO0.as_mut().unwrap().send(Message::DmaEraseRequest(name.clone()));
KERNEL_CHANNEL_1TO0
.as_mut()
.unwrap()
.send(Message::DmaEraseRequest(name.clone()));
}
unsafe {
if RECORDER.is_some() {
@@ -44,10 +44,10 @@ pub extern fn dma_record_start(name: CSlice<u8>) {
}
let library = KERNEL_IMAGE.as_ref().unwrap();
library.rebind(b"rtio_output",
dma_record_output as *const ()).unwrap();
library.rebind(b"rtio_output_wide",
dma_record_output_wide as *const ()).unwrap();
library.rebind(b"rtio_output", dma_record_output as *const ()).unwrap();
library
.rebind(b"rtio_output_wide", dma_record_output_wide as *const ())
.unwrap();
RECORDER = Some(DmaRecorder {
name,
@@ -57,29 +57,29 @@ pub extern fn dma_record_start(name: CSlice<u8>) {
}
}
pub extern fn dma_record_stop(duration: i64) {
pub extern "C" fn dma_record_stop(duration: i64) {
unsafe {
if RECORDER.is_none() {
artiq_raise!("DMAError", "DMA is not recording")
}
let library = KERNEL_IMAGE.as_ref().unwrap();
library.rebind(b"rtio_output",
rtio::output as *const ()).unwrap();
library.rebind(b"rtio_output_wide",
rtio::output_wide as *const ()).unwrap();
library.rebind(b"rtio_output", rtio::output as *const ()).unwrap();
library
.rebind(b"rtio_output_wide", rtio::output_wide as *const ())
.unwrap();
let mut recorder = RECORDER.take().unwrap();
recorder.duration = duration;
KERNEL_CHANNEL_1TO0.as_mut().unwrap().send(
Message::DmaPutRequest(recorder)
);
KERNEL_CHANNEL_1TO0
.as_mut()
.unwrap()
.send(Message::DmaPutRequest(recorder));
}
}
#[inline(always)]
unsafe fn dma_record_output_prepare(timestamp: i64, target: i32,
words: usize) {
unsafe fn dma_record_output_prepare(timestamp: i64, target: i32, words: usize) {
// See gateware/rtio/dma.py.
const HEADER_LENGTH: usize = /*length*/1 + /*channel*/3 + /*timestamp*/8 + /*address*/1;
let length = HEADER_LENGTH + /*data*/words * 4;
@@ -87,36 +87,36 @@ unsafe fn dma_record_output_prepare(timestamp: i64, target: i32,
let buffer = &mut RECORDER.as_mut().unwrap().buffer;
buffer.reserve(length);
buffer.extend_from_slice(&[
(length >> 0) as u8,
(target >> 8) as u8,
(target >> 16) as u8,
(target >> 24) as u8,
(timestamp >> 0) as u8,
(timestamp >> 8) as u8,
(length >> 0) as u8,
(target >> 8) as u8,
(target >> 16) as u8,
(target >> 24) as u8,
(timestamp >> 0) as u8,
(timestamp >> 8) as u8,
(timestamp >> 16) as u8,
(timestamp >> 24) as u8,
(timestamp >> 32) as u8,
(timestamp >> 40) as u8,
(timestamp >> 48) as u8,
(timestamp >> 56) as u8,
(target >> 0) as u8,
(target >> 0) as u8,
]);
}
pub extern fn dma_record_output(target: i32, word: i32) {
pub extern "C" fn dma_record_output(target: i32, word: i32) {
unsafe {
let timestamp = rtio::now_mu();
dma_record_output_prepare(timestamp, target, 1);
RECORDER.as_mut().unwrap().buffer.extend_from_slice(&[
(word >> 0) as u8,
(word >> 8) as u8,
(word >> 0) as u8,
(word >> 8) as u8,
(word >> 16) as u8,
(word >> 24) as u8,
]);
}
}
pub extern fn dma_record_output_wide(target: i32, words: CSlice<i32>) {
pub extern "C" fn dma_record_output_wide(target: i32, words: CSlice<i32>) {
assert!(words.len() <= 16); // enforce the hardware limit
unsafe {
@@ -125,8 +125,8 @@ pub extern fn dma_record_output_wide(target: i32, words: CSlice<i32>) {
let buffer = &mut RECORDER.as_mut().unwrap().buffer;
for word in words.as_ref().iter() {
buffer.extend_from_slice(&[
(word >> 0) as u8,
(word >> 8) as u8,
(word >> 0) as u8,
(word >> 8) as u8,
(word >> 16) as u8,
(word >> 24) as u8,
]);
@@ -134,19 +134,22 @@ pub extern fn dma_record_output_wide(target: i32, words: CSlice<i32>) {
}
}
pub extern fn dma_erase(name: CSlice<u8>) {
pub extern "C" fn dma_erase(name: CSlice<u8>) {
let name = String::from_utf8(name.as_ref().to_vec()).unwrap();
unsafe {
KERNEL_CHANNEL_1TO0.as_mut().unwrap().send(Message::DmaEraseRequest(name));
KERNEL_CHANNEL_1TO0
.as_mut()
.unwrap()
.send(Message::DmaEraseRequest(name));
}
}
pub extern fn dma_retrieve(name: CSlice<u8>) -> DmaTrace {
pub extern "C" fn dma_retrieve(name: CSlice<u8>) -> DmaTrace {
let name = String::from_utf8(name.as_ref().to_vec()).unwrap();
unsafe {
KERNEL_CHANNEL_1TO0.as_mut().unwrap().send(Message::DmaGetRequest(name));
}
match unsafe {KERNEL_CHANNEL_0TO1.as_mut().unwrap()}.recv() {
match unsafe { KERNEL_CHANNEL_0TO1.as_mut().unwrap() }.recv() {
Message::DmaGetReply(None) => (),
Message::DmaGetReply(Some((mut v, duration))) => {
v.reserve(ALIGNMENT - 1);
@@ -162,18 +165,15 @@ pub extern fn dma_retrieve(name: CSlice<u8>) -> DmaTrace {
dcci_slice(&v);
let v = Box::new(v);
let address = Box::into_raw(v) as *mut Vec<u8> as i32;
return DmaTrace {
address,
duration,
};
},
return DmaTrace { address, duration };
}
_ => panic!("Expected DmaGetReply after DmaGetRequest!"),
}
// we have to defer raising error as we have to drop the message first...
artiq_raise!("DMAError", "DMA trace not found");
}
pub extern fn dma_playback(timestamp: i64, ptr: i32) {
pub extern "C" fn dma_playback(timestamp: i64, ptr: i32) {
unsafe {
let v = Box::from_raw(ptr as *mut Vec<u8>);
let padding = ALIGNMENT - v.as_ptr() as usize % ALIGNMENT;
@@ -197,16 +197,23 @@ pub extern fn dma_playback(timestamp: i64, ptr: i32) {
let channel = csr::rtio_dma::error_channel_read();
csr::rtio_dma::error_write(1);
if error & 1 != 0 {
artiq_raise!("RTIOUnderflow",
artiq_raise!(
"RTIOUnderflow",
"RTIO underflow at {1} mu, channel {rtio_channel_info:0}",
channel as i64, timestamp as i64, 0);
channel as i64,
timestamp as i64,
0
);
}
if error & 2 != 0 {
artiq_raise!("RTIODestinationUnreachable",
artiq_raise!(
"RTIODestinationUnreachable",
"RTIO destination unreachable, output, at {1} mu, channel {rtio_channel_info:0}",
channel as i64, timestamp as i64, 0);
channel as i64,
timestamp as i64,
0
);
}
}
}
}

27
src/runtime/src/kernel/mod.rs
View File

@@ -1,15 +1,16 @@
use alloc::{string::String, vec::Vec};
use core::ptr;
use alloc::{vec::Vec, string::String};
use libcortex_a9::{mutex::Mutex, sync_channel, semaphore::Semaphore};
use libcortex_a9::{mutex::Mutex, semaphore::Semaphore, sync_channel};
use crate::eh_artiq;
mod control;
pub use control::Control;
pub mod core1;
mod api;
mod rpc;
pub mod core1;
mod dma;
mod rpc;
pub use dma::DmaRecorder;
mod cache;
@@ -21,7 +22,7 @@ pub struct RPCException {
pub file: u32,
pub line: i32,
pub column: i32,
pub function: u32
pub function: u32,
}
#[derive(Debug, Clone)]
@@ -31,11 +32,16 @@ pub enum Message {
LoadFailed,
StartRequest,
KernelFinished(u8),
KernelException(&'static [Option<eh_artiq::Exception<'static>>],
&'static [eh_artiq::StackPointerBacktrace],
&'static [(usize, usize)],
u8),
RpcSend { is_async: bool, data: Vec<u8> },
KernelException(
&'static [Option<eh_artiq::Exception<'static>>],
&'static [eh_artiq::StackPointerBacktrace],
&'static [(usize, usize)],
u8,
),
RpcSend {
is_async: bool,
data: Vec<u8>,
},
RpcRecvRequest(*mut ()),
RpcRecvReply(Result<usize, RPCException>),
@@ -64,4 +70,3 @@ static mut KERNEL_CHANNEL_1TO0: Option<sync_channel::Sender<'static, Message>> =
pub static mut KERNEL_IMAGE: *const core1::KernelImage = ptr::null();
static INIT_LOCK: Mutex<()> = Mutex::new(());

29
src/runtime/src/kernel/rpc.rs
View File

@@ -1,14 +1,11 @@
//! Kernel-side RPC API
use alloc::vec::Vec;
use cslice::CSlice;
use crate::eh_artiq;
use crate::rpc::send_args;
use super::{
KERNEL_CHANNEL_0TO1, KERNEL_CHANNEL_1TO0,
Message,
};
use super::{Message, KERNEL_CHANNEL_0TO1, KERNEL_CHANNEL_1TO0};
use crate::{eh_artiq, rpc::send_args};
fn rpc_send_common(is_async: bool, service: u32, tag: &CSlice<u8>, data: *const *const ()) {
let core1_tx = unsafe { KERNEL_CHANNEL_1TO0.as_mut().unwrap() };
@@ -17,15 +14,15 @@ fn rpc_send_common(is_async: bool, service: u32, tag: &CSlice<u8>, data: *const
core1_tx.send(Message::RpcSend { is_async, data: buffer });
}
pub extern fn rpc_send(service: u32, tag: &CSlice<u8>, data: *const *const ()) {
pub extern "C" fn rpc_send(service: u32, tag: &CSlice<u8>, data: *const *const ()) {
rpc_send_common(false, service, tag, data);
}
pub extern fn rpc_send_async(service: u32, tag: &CSlice<u8>, data: *const *const ()) {
pub extern "C" fn rpc_send_async(service: u32, tag: &CSlice<u8>, data: *const *const ()) {
rpc_send_common(true, service, tag, data);
}
pub extern fn rpc_recv(slot: *mut ()) -> usize {
pub extern "C" fn rpc_recv(slot: *mut ()) -> usize {
let reply = unsafe {
let core1_rx = KERNEL_CHANNEL_0TO1.as_mut().unwrap();
let core1_tx = KERNEL_CHANNEL_1TO0.as_mut().unwrap();
@@ -36,15 +33,15 @@ pub extern fn rpc_recv(slot: *mut ()) -> usize {
Message::RpcRecvReply(Ok(alloc_size)) => alloc_size,
Message::RpcRecvReply(Err(exception)) => unsafe {
eh_artiq::raise(&eh_artiq::Exception {
id: exception.id,
file: CSlice::new(exception.file as *const u8, usize::MAX),
line: exception.line as u32,
column: exception.column as u32,
id: exception.id,
file: CSlice::new(exception.file as *const u8, usize::MAX),
line: exception.line as u32,
column: exception.column as u32,
function: CSlice::new(exception.function as *const u8, usize::MAX),
message: CSlice::new(exception.message as *const u8, usize::MAX),
param: exception.param
message: CSlice::new(exception.message as *const u8, usize::MAX),
param: exception.param,
})
},
_ => panic!("received unexpected reply to RpcRecvRequest: {:?}", reply)
_ => panic!("received unexpected reply to RpcRecvRequest: {:?}", reply),
}
}

69
src/runtime/src/main.rs
View File

@@ -1,6 +1,6 @@
#![no_std]
#![no_main]
#![recursion_limit="1024"] // for futures_util::select!
#![recursion_limit = "1024"] // for futures_util::select!
#![feature(alloc_error_handler)]
#![feature(panic_info_message)]
#![feature(c_variadic)]
@@ -12,25 +12,32 @@
#[macro_use]
extern crate alloc;
use log::{info, warn, error};
use libboard_zynq::{timer::GlobalTimer, mpcore, gic};
use libasync::{task, block_async};
use libsupport_zynq::ram;
use nb;
use void::Void;
use libconfig::Config;
use libcortex_a9::l2c::enable_l2_cache;
use libboard_artiq::{logger, identifier_read, pl};
use libasync::{block_async, task};
#[cfg(feature = "target_kasli_soc")]
use libboard_artiq::io_expander;
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::ram;
use log::{error, info, warn};
use nb;
use void::Void;
const ASYNC_ERROR_COLLISION: u8 = 1 << 0;
const ASYNC_ERROR_BUSY: u8 = 1 << 1;
const ASYNC_ERROR_SEQUENCE_ERROR: u8 = 1 << 2;
mod proto_async;
mod analyzer;
mod comms;
mod eh_artiq;
mod i2c;
mod irq;
mod kernel;
mod mgmt;
mod moninj;
mod panic;
mod proto_async;
mod rpc;
#[cfg(ki_impl = "csr")]
#[path = "rtio_csr.rs"]
@@ -38,16 +45,8 @@ mod rtio;
#[cfg(ki_impl = "acp")]
#[path = "rtio_acp.rs"]
mod rtio;
mod rtio_mgt;
mod rtio_clocking;
mod kernel;
mod moninj;
mod eh_artiq;
mod panic;
mod mgmt;
mod analyzer;
mod irq;
mod i2c;
mod rtio_mgt;
static mut SEEN_ASYNC_ERRORS: u8 = 0;
@@ -74,15 +73,27 @@ async fn report_async_rtio_errors() {
let errors = pl::csr::rtio_core::async_error_read();
if errors & ASYNC_ERROR_COLLISION != 0 {
let channel = pl::csr::rtio_core::collision_channel_read();
error!("RTIO collision involving channel 0x{:04x}:{}", channel, rtio_mgt::resolve_channel_name(channel as u32));
error!(
"RTIO collision involving channel 0x{:04x}:{}",
channel,
rtio_mgt::resolve_channel_name(channel as u32)
);
}
if errors & ASYNC_ERROR_BUSY != 0 {
let channel = pl::csr::rtio_core::busy_channel_read();
error!("RTIO busy error involving channel 0x{:04x}:{}", channel, rtio_mgt::resolve_channel_name(channel as u32));
error!(
"RTIO busy error involving channel 0x{:04x}:{}",
channel,
rtio_mgt::resolve_channel_name(channel as u32)
);
}
if errors & ASYNC_ERROR_SEQUENCE_ERROR != 0 {
let channel = pl::csr::rtio_core::sequence_error_channel_read();
error!("RTIO sequence error involving channel 0x{:04x}:{}", channel, rtio_mgt::resolve_channel_name(channel as u32));
error!(
"RTIO sequence error involving channel 0x{:04x}:{}",
channel,
rtio_mgt::resolve_channel_name(channel as u32)
);
}
SEEN_ASYNC_ERRORS = errors;
pl::csr::rtio_core::async_error_write(errors);
@@ -90,18 +101,14 @@ async fn report_async_rtio_errors() {
}
}
static mut LOG_BUFFER: [u8; 1<<17] = [0; 1<<17];
static mut LOG_BUFFER: [u8; 1 << 17] = [0; 1 << 17];
#[no_mangle]
pub fn main_core0() {
enable_l2_cache(0x8);
let mut timer = GlobalTimer::start();
let buffer_logger = unsafe {
logger::BufferLogger::new(&mut LOG_BUFFER[..])
};
let buffer_logger = unsafe { logger::BufferLogger::new(&mut LOG_BUFFER[..]) };
buffer_logger.set_uart_log_level(log::LevelFilter::Info);
buffer_logger.register();
log::set_max_level(log::LevelFilter::Info);
@@ -137,7 +144,7 @@ pub fn main_core0() {
Config::new_dummy()
}
};
rtio_clocking::init(&mut timer, &cfg);
task::spawn(report_async_rtio_errors());

49
src/runtime/src/mgmt.rs
View File

@@ -1,16 +1,17 @@
use alloc::{rc::Rc, string::String, vec::Vec};
use core::cell::RefCell;
use futures::{future::poll_fn, task::Poll};
use libasync::{smoltcp::TcpStream, task};
use libboard_zynq::{smoltcp, slcr};
use libconfig::Config;
use core::cell::RefCell;
use alloc::{rc::Rc, vec::Vec, string::String};
use log::{self, info, debug, warn, error, LevelFilter};
use libboard_artiq::logger::{BufferLogger, LogBufferRef};
use crate::proto_async::*;
use libboard_zynq::{slcr, smoltcp};
use libconfig::Config;
use log::{self, debug, error, info, warn, LevelFilter};
use num_derive::FromPrimitive;
use num_traits::FromPrimitive;
use crate::proto_async::*;
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum Error {
NetworkError(smoltcp::Error),
@@ -24,10 +25,10 @@ type Result<T> = core::result::Result<T, Error>;
impl core::fmt::Display for Error {
fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
match self {
&Error::NetworkError(error) => write!(f, "network error: {}", error),
&Error::NetworkError(error) => write!(f, "network error: {}", error),
&Error::UnknownLogLevel(lvl) => write!(f, "unknown log level {}", lvl),
&Error::UnexpectedPattern => write!(f, "unexpected pattern"),
&Error::UnrecognizedPacket => write!(f, "unrecognized packet"),
&Error::UnexpectedPattern => write!(f, "unexpected pattern"),
&Error::UnrecognizedPacket => write!(f, "unrecognized packet"),
}
}
}
@@ -74,9 +75,7 @@ async fn read_log_level_filter(stream: &mut TcpStream) -> Result<log::LevelFilte
}
async fn get_logger_buffer_pred<F>(f: F) -> LogBufferRef<'static>
where
F: Fn(&LogBufferRef) -> bool,
{
where F: Fn(&LogBufferRef) -> bool {
poll_fn(|ctx| {
let logger = unsafe { BufferLogger::get_logger().as_mut().unwrap() };
match logger.buffer() {
@@ -112,10 +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>) -> 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);
}
@@ -163,7 +159,7 @@ async fn handle_connection(
logger.set_buffer_log_level(LevelFilter::Trace);
}
}
},
}
Request::SetLogFilter => {
let lvl = read_log_level_filter(stream).await?;
info!("Changing log level to {}", lvl);
@@ -174,10 +170,7 @@ async fn handle_connection(
let lvl = read_log_level_filter(stream).await?;
info!("Changing UART log level to {}", lvl);
unsafe {
BufferLogger::get_logger()
.as_ref()
.unwrap()
.set_uart_log_level(lvl);
BufferLogger::get_logger().as_ref().unwrap().set_uart_log_level(lvl);
}
write_i8(stream, Reply::Success as i8).await?;
}
@@ -193,16 +186,12 @@ async fn handle_connection(
warn!("read error: no such key");
write_i8(stream, Reply::Error as i8).await?;
}
},
}
Request::ConfigWrite => {
let key = read_key(stream).await?;
debug!("write key: {}", key);
let len = read_i32(stream).await?;
let len = if len <= 0 {
0
} else {
len as usize
};
let len = if len <= 0 { 0 } else { len as usize };
let mut buffer = Vec::with_capacity(len);
unsafe {
buffer.set_len(len);
@@ -217,7 +206,7 @@ async fn handle_connection(
error!("failed to write: {:?}", value);
write_i8(stream, Reply::Error as i8).await?;
}
},
}
Request::ConfigRemove => {
let key = read_key(stream).await?;
debug!("erase key: {}", key);
@@ -229,7 +218,7 @@ async fn handle_connection(
warn!("erase failed");
write_i8(stream, Reply::Error as i8).await?;
}
},
}
Request::Reboot => {
info!("rebooting");
write_i8(stream, Reply::RebootImminent as i8).await?;

123
src/runtime/src/moninj.rs
View File

@@ -1,26 +1,23 @@
use core::{fmt, cell::RefCell};
use alloc::{collections::BTreeMap, rc::Rc};
use log::{debug, info, warn};
use void::Void;
use core::{cell::RefCell, fmt};
use futures::{pin_mut, select_biased, FutureExt};
use libasync::{block_async, nb, smoltcp::TcpStream, task};
use libboard_artiq::drtio_routing;
use libboard_zynq::{smoltcp, timer::GlobalTimer, time::Milliseconds};
use libasync::{task, smoltcp::TcpStream, block_async, nb};
use libboard_zynq::{smoltcp, time::Milliseconds, timer::GlobalTimer};
use libcortex_a9::mutex::Mutex;
use log::{debug, info, warn};
use num_derive::{FromPrimitive, ToPrimitive};
use num_traits::{FromPrimitive, ToPrimitive};
use futures::{pin_mut, select_biased, FutureExt};
use void::Void;
use crate::proto_async::*;
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum Error {
NetworkError(smoltcp::Error),
UnexpectedPattern,
UnrecognizedPacket
UnrecognizedPacket,
}
pub type Result<T> = core::result::Result<T, Error>;
@@ -29,8 +26,8 @@ impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self {
&Error::NetworkError(error) => write!(f, "network error: {}", error),
&Error::UnexpectedPattern => write!(f, "unexpected pattern"),
&Error::UnrecognizedPacket => write!(f, "unrecognized packet"),
&Error::UnexpectedPattern => write!(f, "unexpected pattern"),
&Error::UnrecognizedPacket => write!(f, "unrecognized packet"),
}
}
}
@@ -46,60 +43,102 @@ enum HostMessage {
MonitorProbe = 0,
MonitorInjection = 3,
Inject = 1,
GetInjectionStatus = 2
GetInjectionStatus = 2,
}
#[derive(Debug, FromPrimitive, ToPrimitive)]
enum DeviceMessage {
MonitorStatus = 0,
InjectionStatus = 1
InjectionStatus = 1,
}
#[cfg(has_drtio)]
mod remote_moninj {
use super::*;
use libboard_artiq::drtioaux_async;
use crate::rtio_mgt::drtio;
use log::error;
pub async fn read_probe(aux_mutex: &Rc<Mutex<bool>>, timer: GlobalTimer, linkno: u8, destination: u8, channel: i32, probe: i8) -> i64 {
let reply = drtio::aux_transact(aux_mutex, linkno, &drtioaux_async::Packet::MonitorRequest {
destination: destination,
channel: channel as _,
probe: probe as _},
timer).await;
use super::*;
use crate::rtio_mgt::drtio;
pub async fn read_probe(
aux_mutex: &Rc<Mutex<bool>>,
timer: GlobalTimer,
linkno: u8,
destination: u8,
channel: i32,
probe: i8,
) -> i64 {
let reply = drtio::aux_transact(
aux_mutex,
linkno,
&drtioaux_async::Packet::MonitorRequest {
destination: destination,
channel: channel as _,
probe: probe as _,
},
timer,
)
.await;
match reply {
Ok(drtioaux_async::Packet::MonitorReply { value }) => return value as i64,
Ok(packet) => error!("received unexpected aux packet: {:?}", packet),
Err("link went down") => { debug!("link is down"); },
Err(e) => error!("aux packet error ({})", e)
Err("link went down") => {
debug!("link is down");
}
Err(e) => error!("aux packet error ({})", e),
}
0
}
pub async fn inject(aux_mutex: &Rc<Mutex<bool>>, _timer: GlobalTimer, linkno: u8, destination: u8, channel: i32, overrd: i8, value: i8) {
pub async fn inject(
aux_mutex: &Rc<Mutex<bool>>,
_timer: GlobalTimer,
linkno: u8,
destination: u8,
channel: i32,
overrd: i8,
value: i8,
) {
let _lock = aux_mutex.lock();
drtioaux_async::send(linkno, &drtioaux_async::Packet::InjectionRequest {
destination: destination,
channel: channel as _,
overrd: overrd as _,
value: value as _
}).await.unwrap();
drtioaux_async::send(
linkno,
&drtioaux_async::Packet::InjectionRequest {
destination: destination,
channel: channel as _,
overrd: overrd as _,
value: value as _,
},
)
.await
.unwrap();
}
pub async fn read_injection_status(aux_mutex: &Rc<Mutex<bool>>, timer: GlobalTimer, linkno: u8, destination: u8, channel: i32, overrd: i8) -> i8 {
let reply = drtio::aux_transact(aux_mutex,
linkno,
pub async fn read_injection_status(
aux_mutex: &Rc<Mutex<bool>>,
timer: GlobalTimer,
linkno: u8,
destination: u8,
channel: i32,
overrd: i8,
) -> i8 {
let reply = drtio::aux_transact(
aux_mutex,
linkno,
&drtioaux_async::Packet::InjectionStatusRequest {
destination: destination,
channel: channel as _,
overrd: overrd as _},
timer).await;
overrd: overrd as _,
},
timer,
)
.await;
match reply {
Ok(drtioaux_async::Packet::InjectionStatusReply { value }) => return value as i8,
Ok(packet) => error!("received unexpected aux packet: {:?}", packet),
Err("link went down") => { debug!("link is down"); },
Err(e) => error!("aux packet error ({})", e)
Err("link went down") => {
debug!("link is down");
}
Err(e) => error!("aux packet error ({})", e),
}
0
}
@@ -157,8 +196,12 @@ macro_rules! dispatch {
}}
}
async fn handle_connection(stream: &TcpStream, timer: GlobalTimer,
_aux_mutex: &Rc<Mutex<bool>>, _routing_table: &drtio_routing::RoutingTable) -> Result<()> {
async fn handle_connection(
stream: &TcpStream,
timer: GlobalTimer,
_aux_mutex: &Rc<Mutex<bool>>,
_routing_table: &drtio_routing::RoutingTable,
) -> Result<()> {
if !expect(&stream, b"ARTIQ moninj\n").await? {
return Err(Error::UnexpectedPattern);
}

21
src/runtime/src/panic.rs
View File

@@ -1,14 +1,13 @@
use libboard_zynq::{print, println};
use libregister::RegisterR;
use libcortex_a9::regs::MPIDR;
use unwind::backtrace;
#[cfg(feature = "target_kasli_soc")]
use libboard_zynq::error_led::ErrorLED;
use crate::comms::soft_panic_main;
use log::error;
use libboard_zynq::timer::GlobalTimer;
use libboard_zynq::{print, println, timer::GlobalTimer};
use libconfig::Config;
use libcortex_a9::regs::MPIDR;
use libregister::RegisterR;
use log::error;
use unwind::backtrace;
use crate::comms::soft_panic_main;
static mut PANICKED: [bool; 2] = [false; 2];
static mut SOFT_PANICKED: bool = false;
@@ -68,9 +67,7 @@ fn soft_panic(info: &core::panic::PanicInfo) -> ! {
let timer = GlobalTimer::start();
let cfg = match Config::new() {
Ok(cfg) => cfg,
Err(_) => {
Config::new_dummy()
}
Err(_) => Config::new_dummy(),
};
soft_panic_main(timer, cfg);
}
}

61
src/runtime/src/proto_async.rs
View File

@@ -1,8 +1,7 @@
use core::cmp::min;
use core::cell::RefCell;
use core::{cell::RefCell, cmp::min};
use libboard_zynq::smoltcp;
use libasync::smoltcp::TcpStream;
use libboard_zynq::smoltcp;
type Result<T> = core::result::Result<T, smoltcp::Error>;
@@ -14,25 +13,27 @@ enum RecvState<T> {
pub async fn expect(stream: &TcpStream, pattern: &[u8]) -> Result<bool> {
let mut state = RecvState::NeedsMore(0, true);
loop {
state = stream.recv(|buf| {
let mut consumed = 0;
if let RecvState::NeedsMore(mut cur_index, _) = state {
for b in buf.iter() {
consumed += 1;
if *b == pattern[cur_index] {
if cur_index + 1 == pattern.len() {
return (consumed, RecvState::Completed(true));
state = stream
.recv(|buf| {
let mut consumed = 0;
if let RecvState::NeedsMore(mut cur_index, _) = state {
for b in buf.iter() {
consumed += 1;
if *b == pattern[cur_index] {
if cur_index + 1 == pattern.len() {
return (consumed, RecvState::Completed(true));
}
} else {
return (consumed, RecvState::Completed(false));
}
} else {
return (consumed, RecvState::Completed(false));
cur_index += 1;
}
cur_index += 1;
(consumed, RecvState::NeedsMore(cur_index, true))
} else {
unreachable!();
}
(consumed, RecvState::NeedsMore(cur_index, true))
} else {
unreachable!();
}
}).await?;
})
.await?;
if let RecvState::Completed(result) = state {
return Ok(result);
}
@@ -40,15 +41,11 @@ pub async fn expect(stream: &TcpStream, pattern: &[u8]) -> Result<bool> {
}
pub async fn read_bool(stream: &TcpStream) -> Result<bool> {
Ok(stream.recv(|buf| {
(1, buf[0] != 0)
}).await?)
Ok(stream.recv(|buf| (1, buf[0] != 0)).await?)
}
pub async fn read_i8(stream: &TcpStream) -> Result<i8> {
Ok(stream.recv(|buf| {
(1, buf[0] as i8)
}).await?)
Ok(stream.recv(|buf| (1, buf[0] as i8)).await?)
}
pub async fn read_i32(stream: &TcpStream) -> Result<i32> {
@@ -68,12 +65,14 @@ pub async fn read_chunk(stream: &TcpStream, destination: &mut [u8]) -> Result<()
let destination = RefCell::new(destination);
let mut done = 0;
while done < total {
let count = stream.recv(|buf| {
let mut destination = destination.borrow_mut();
let count = min(total - done, buf.len());
destination[done..done + count].copy_from_slice(&buf[..count]);
(count, count)
}).await?;
let count = stream
.recv(|buf| {
let mut destination = destination.borrow_mut();
let count = min(total - done, buf.len());
destination[done..done + count].copy_from_slice(&buf[..count]);
(count, count)
})
.await?;
done += count;
}
Ok(())

220
src/runtime/src/rpc.rs
View File

@@ -1,18 +1,17 @@
use core::str;
use core::future::Future;
use cslice::{CSlice, CMutSlice};
use log::trace;
use byteorder::{NativeEndian, ByteOrder};
use core_io::{Write, Error};
use libboard_zynq::smoltcp;
use libasync::smoltcp::TcpStream;
use alloc::boxed::Box;
use async_recursion::async_recursion;
use core::{future::Future, str};
use async_recursion::async_recursion;
use byteorder::{ByteOrder, NativeEndian};
use core_io::{Error, Write};
use cslice::{CMutSlice, CSlice};
use io::proto::ProtoWrite;
use libasync::smoltcp::TcpStream;
use libboard_zynq::smoltcp;
use log::trace;
use self::tag::{split_tag, Tag, TagIterator};
use crate::proto_async;
use self::tag::{Tag, TagIterator, split_tag};
#[inline]
fn round_up(val: usize, power_of_two: usize) -> usize {
@@ -52,17 +51,17 @@ async unsafe fn recv_elements<F>(
elt_tag: Tag<'async_recursion>,
length: usize,
storage: *mut (),
alloc: &(impl Fn(usize) -> F + 'async_recursion)
alloc: &(impl Fn(usize) -> F + 'async_recursion),
) -> Result<(), smoltcp::Error>
where
F: Future<Output=*mut ()>,
F: Future<Output = *mut ()>,
{
// List of simple types are special-cased in the protocol for performance.
match elt_tag {
Tag::Bool => {
let dest = core::slice::from_raw_parts_mut(storage as *mut u8, length);
proto_async::read_chunk(stream, dest).await?;
},
}
Tag::Int32 => {
let ptr = storage as *mut u32;
let dest = core::slice::from_raw_parts_mut(ptr as *mut u8, length * 4);
@@ -70,7 +69,7 @@ where
drop(dest);
let dest = core::slice::from_raw_parts_mut(ptr, length);
NativeEndian::from_slice_u32(dest);
},
}
Tag::Int64 | Tag::Float64 => {
let ptr = storage as *mut u64;
let dest = core::slice::from_raw_parts_mut(ptr as *mut u8, length * 8);
@@ -78,7 +77,7 @@ where
drop(dest);
let dest = core::slice::from_raw_parts_mut(ptr, length);
NativeEndian::from_slice_u64(dest);
},
}
_ => {
let mut data = storage;
for _ in 0..length {
@@ -95,36 +94,37 @@ where
/// invoked any number of times with the size of the required allocation as a parameter
/// (which is assumed to be correctly aligned for all payload types).
#[async_recursion(?Send)]
async unsafe fn recv_value<F>(stream: &TcpStream, tag: Tag<'async_recursion>, data: &mut *mut (),
alloc: &(impl Fn(usize) -> F + 'async_recursion))
-> Result<(), smoltcp::Error>
where F: Future<Output=*mut ()>
async unsafe fn recv_value<F>(
stream: &TcpStream,
tag: Tag<'async_recursion>,
data: &mut *mut (),
alloc: &(impl Fn(usize) -> F + 'async_recursion),
) -> Result<(), smoltcp::Error>
where
F: Future<Output = *mut ()>,
{
macro_rules! consume_value {
($ty:ty, |$ptr:ident| $map:expr) => ({
($ty:ty, | $ptr:ident | $map:expr) => {{
let $ptr = align_ptr_mut::<$ty>(*data);
*data = $ptr.offset(1) as *mut ();
$map
})
}};
}
match tag {
Tag::None => Ok(()),
Tag::Bool =>
consume_value!(i8, |ptr| {
*ptr = proto_async::read_i8(stream).await?;
Ok(())
}),
Tag::Int32 =>
consume_value!(i32, |ptr| {
*ptr = proto_async::read_i32(stream).await?;
Ok(())
}),
Tag::Int64 | Tag::Float64 =>
consume_value!(i64, |ptr| {
*ptr = proto_async::read_i64(stream).await?;
Ok(())
}),
Tag::Bool => consume_value!(i8, |ptr| {
*ptr = proto_async::read_i8(stream).await?;
Ok(())
}),
Tag::Int32 => consume_value!(i32, |ptr| {
*ptr = proto_async::read_i32(stream).await?;
Ok(())
}),
Tag::Int64 | Tag::Float64 => consume_value!(i64, |ptr| {
*ptr = proto_async::read_i64(stream).await?;
Ok(())
}),
Tag::String | Tag::Bytes | Tag::ByteArray => {
consume_value!(CMutSlice<u8>, |ptr| {
let length = proto_async::read_i32(stream).await? as usize;
@@ -148,7 +148,10 @@ async unsafe fn recv_value<F>(stream: &TcpStream, tag: Tag<'async_recursion>, da
}
Tag::List(it) => {
#[repr(C)]
struct List { elements: *mut (), length: usize }
struct List {
elements: *mut (),
length: usize,
}
consume_value!(*mut List, |ptr_to_list| {
let tag = it.clone().next().expect("truncated tag");
let length = proto_async::read_i32(stream).await? as usize;
@@ -180,7 +183,7 @@ async unsafe fn recv_value<F>(stream: &TcpStream, tag: Tag<'async_recursion>, da
for _ in 0..num_dims {
let len = proto_async::read_i32(stream).await? as usize;
total_len *= len;
consume_value!(usize, |ptr| *ptr = len )
consume_value!(usize, |ptr| *ptr = len)
}
// Allocate backing storage for elements; deserialize them.
@@ -198,14 +201,18 @@ async unsafe fn recv_value<F>(stream: &TcpStream, tag: Tag<'async_recursion>, da
Ok(())
}
Tag::Keyword(_) => unreachable!(),
Tag::Object => unreachable!()
Tag::Object => unreachable!(),
}
}
pub async fn recv_return<F>(stream: &TcpStream, tag_bytes: &[u8], data: *mut (),
alloc: &impl Fn(usize) -> F)
-> Result<(), smoltcp::Error>
where F: Future<Output=*mut ()>
pub async fn recv_return<F>(
stream: &TcpStream,
tag_bytes: &[u8],
data: *mut (),
alloc: &impl Fn(usize) -> F,
) -> Result<(), smoltcp::Error>
where
F: Future<Output = *mut ()>,
{
let mut it = TagIterator::new(tag_bytes);
trace!("recv ...->{}", it);
@@ -217,10 +224,8 @@ pub async fn recv_return<F>(stream: &TcpStream, tag_bytes: &[u8], data: *mut (),
Ok(())
}
unsafe fn send_elements<W>(writer: &mut W, elt_tag: Tag, length: usize, data: *const ())
-> Result<(), Error>
where W: Write + ?Sized
{
unsafe fn send_elements<W>(writer: &mut W, elt_tag: Tag, length: usize, data: *const ()) -> Result<(), Error>
where W: Write + ?Sized {
writer.write_u8(elt_tag.as_u8())?;
match elt_tag {
// we cannot use NativeEndian::from_slice_i32 as the data is not mutable,
@@ -228,15 +233,15 @@ unsafe fn send_elements<W>(writer: &mut W, elt_tag: Tag, length: usize, data: *c
Tag::Bool => {
let slice = core::slice::from_raw_parts(data as *const u8, length);
writer.write_all(slice)?;
},
}
Tag::Int32 => {
let slice = core::slice::from_raw_parts(data as *const u8, length * 4);
writer.write_all(slice)?;
},
}
Tag::Int64 | Tag::Float64 => {
let slice = core::slice::from_raw_parts(data as *const u8, length * 8);
writer.write_all(slice)?;
},
}
_ => {
let mut data = data;
for _ in 0..length {
@@ -247,36 +252,26 @@ unsafe fn send_elements<W>(writer: &mut W, elt_tag: Tag, length: usize, data: *c
Ok(())
}
unsafe fn send_value<W>(writer: &mut W, tag: Tag, data: &mut *const ())
-> Result<(), Error>
where W: Write + ?Sized
{
unsafe fn send_value<W>(writer: &mut W, tag: Tag, data: &mut *const ()) -> Result<(), Error>
where W: Write + ?Sized {
macro_rules! consume_value {
($ty:ty, |$ptr:ident| $map:expr) => ({
($ty:ty, | $ptr:ident | $map:expr) => {{
let $ptr = align_ptr::<$ty>(*data);
*data = $ptr.offset(1) as *const ();
$map
})
}};
}
writer.write_u8(tag.as_u8())?;
match tag {
Tag::None => Ok(()),
Tag::Bool =>
consume_value!(u8, |ptr|
writer.write_u8(*ptr)),
Tag::Int32 =>
consume_value!(u32, |ptr|
writer.write_u32(*ptr)),
Tag::Int64 | Tag::Float64 =>
consume_value!(u64, |ptr|
writer.write_u64(*ptr)),
Tag::String =>
consume_value!(CSlice<u8>, |ptr|
writer.write_string(str::from_utf8((*ptr).as_ref()).unwrap())),
Tag::Bytes | Tag::ByteArray =>
consume_value!(CSlice<u8>, |ptr|
writer.write_bytes((*ptr).as_ref())),
Tag::Bool => consume_value!(u8, |ptr| writer.write_u8(*ptr)),
Tag::Int32 => consume_value!(u32, |ptr| writer.write_u32(*ptr)),
Tag::Int64 | Tag::Float64 => consume_value!(u64, |ptr| writer.write_u64(*ptr)),
Tag::String => consume_value!(CSlice<u8>, |ptr| {
writer.write_string(str::from_utf8((*ptr).as_ref()).unwrap())
}),
Tag::Bytes | Tag::ByteArray => consume_value!(CSlice<u8>, |ptr| writer.write_bytes((*ptr).as_ref())),
Tag::Tuple(it, arity) => {
let mut it = it.clone();
writer.write_u8(arity)?;
@@ -291,7 +286,10 @@ unsafe fn send_value<W>(writer: &mut W, tag: Tag, data: &mut *const ())
}
Tag::List(it) => {
#[repr(C)]
struct List { elements: *const (), length: u32 }
struct List {
elements: *const (),
length: u32,
}
consume_value!(&List, |ptr| {
let length = (**ptr).length as usize;
writer.write_u32((*ptr).length)?;
@@ -301,7 +299,7 @@ unsafe fn send_value<W>(writer: &mut W, tag: Tag, data: &mut *const ())
}
Tag::Array(it, num_dims) => {
writer.write_u8(num_dims)?;
consume_value!(*const(), |buffer| {
consume_value!(*const (), |buffer| {
let elt_tag = it.clone().next().expect("truncated tag");
let mut total_len = 1;
@@ -324,7 +322,9 @@ unsafe fn send_value<W>(writer: &mut W, tag: Tag, data: &mut *const ())
}
Tag::Keyword(it) => {
#[repr(C)]
struct Keyword<'a> { name: CSlice<'a, u8> }
struct Keyword<'a> {
name: CSlice<'a, u8>,
}
consume_value!(Keyword, |ptr| {
writer.write_string(str::from_utf8((*ptr).name.as_ref()).unwrap())?;
let tag = it.clone().next().expect("truncated tag");
@@ -336,17 +336,16 @@ unsafe fn send_value<W>(writer: &mut W, tag: Tag, data: &mut *const ())
}
Tag::Object => {
#[repr(C)]
struct Object { id: u32 }
consume_value!(*const Object, |ptr|
writer.write_u32((**ptr).id))
struct Object {
id: u32,
}
consume_value!(*const Object, |ptr| writer.write_u32((**ptr).id))
}
}
}
pub fn send_args<W>(writer: &mut W, service: u32, tag_bytes: &[u8], data: *const *const ())
-> Result<(), Error>
where W: Write + ?Sized
{
pub fn send_args<W>(writer: &mut W, service: u32, tag_bytes: &[u8], data: *const *const ()) -> Result<(), Error>
where W: Write + ?Sized {
let (arg_tags_bytes, return_tag_bytes) = split_tag(tag_bytes);
let mut args_it = TagIterator::new(arg_tags_bytes);
@@ -359,7 +358,7 @@ pub fn send_args<W>(writer: &mut W, service: u32, tag_bytes: &[u8], data: *const
let mut data = unsafe { *data.offset(index) };
unsafe { send_value(writer, arg_tag, &mut data)? };
} else {
break
break;
}
}
writer.write_u8(0)?;
@@ -372,10 +371,10 @@ mod tag {
use core::fmt;
pub fn split_tag(tag_bytes: &[u8]) -> (&[u8], &[u8]) {
let tag_separator =
tag_bytes.iter()
.position(|&b| b == b':')
.expect("tag without a return separator");
let tag_separator = tag_bytes
.iter()
.position(|&b| b == b':')
.expect("tag without a return separator");
let (arg_tags_bytes, rest) = tag_bytes.split_at(tag_separator);
let return_tag_bytes = &rest[1..];
(arg_tags_bytes, return_tag_bytes)
@@ -396,7 +395,7 @@ mod tag {
Array(TagIterator<'a>, u8),
Range(TagIterator<'a>),
Keyword(TagIterator<'a>),
Object
Object,
}
impl<'a> Tag<'a> {
@@ -431,14 +430,15 @@ mod tag {
Tag::Tuple(it, arity) => {
let it = it.clone();
it.take(arity.into()).map(|t| t.alignment()).max().unwrap()
},
}
Tag::Range(it) => {
let it = it.clone();
it.take(3).map(|t| t.alignment()).max().unwrap()
}
// the ptr/length(s) pair is basically CSlice
Tag::Bytes | Tag::String | Tag::ByteArray | Tag::List(_) | Tag::Array(_, _) =>
core::mem::align_of::<CSlice<()>>(),
Tag::Bytes | Tag::String | Tag::ByteArray | Tag::List(_) | Tag::Array(_, _) => {
core::mem::align_of::<CSlice<()>>()
}
Tag::Keyword(_) => unreachable!("Tag::Keyword should not appear in composite types"),
Tag::Object => core::mem::align_of::<u32>(),
}
@@ -484,7 +484,7 @@ mod tag {
#[derive(Debug, Clone, Copy)]
pub struct TagIterator<'a> {
data: &'a [u8]
data: &'a [u8],
}
impl<'a> TagIterator<'a> {
@@ -492,13 +492,14 @@ mod tag {
TagIterator { data }
}
fn sub(&mut self, count: u8) -> TagIterator<'a> {
let data = self.data;
for _ in 0..count {
self.next().expect("truncated tag");
}
TagIterator { data: &data[..(data.len() - self.data.len())] }
TagIterator {
data: &data[..(data.len() - self.data.len())],
}
}
}
@@ -507,7 +508,7 @@ mod tag {
fn next(&mut self) -> Option<Tag<'a>> {
if self.data.len() == 0 {
return None
return None;
}
let tag_byte = self.data[0];
@@ -535,7 +536,7 @@ mod tag {
b'r' => Tag::Range(self.sub(1)),
b'k' => Tag::Keyword(self.sub(1)),
b'O' => Tag::Object,
_ => unreachable!()
_ => unreachable!(),
})
}
}
@@ -552,22 +553,14 @@ mod tag {
}
match tag {
Tag::None =>
write!(f, "None")?,
Tag::Bool =>
write!(f, "Bool")?,
Tag::Int32 =>
write!(f, "Int32")?,
Tag::Int64 =>
write!(f, "Int64")?,
Tag::Float64 =>
write!(f, "Float64")?,
Tag::String =>
write!(f, "String")?,
Tag::Bytes =>
write!(f, "Bytes")?,
Tag::ByteArray =>
write!(f, "ByteArray")?,
Tag::None => write!(f, "None")?,
Tag::Bool => write!(f, "Bool")?,
Tag::Int32 => write!(f, "Int32")?,
Tag::Int64 => write!(f, "Int64")?,
Tag::Float64 => write!(f, "Float64")?,
Tag::String => write!(f, "String")?,
Tag::Bytes => write!(f, "Bytes")?,
Tag::ByteArray => write!(f, "ByteArray")?,
Tag::Tuple(it, _) => {
write!(f, "Tuple(")?;
it.fmt(f)?;
@@ -593,8 +586,7 @@ mod tag {
it.fmt(f)?;
write!(f, ")")?;
}
Tag::Object =>
write!(f, "Object")?,
Tag::Object => write!(f, "Object")?,
}
}

171
src/runtime/src/rtio_acp.rs
View File

@@ -1,19 +1,18 @@
use cslice::CSlice;
use vcell::VolatileCell;
use libcortex_a9::asm;
use crate::artiq_raise;
use core::sync::atomic::{fence, Ordering};
use crate::pl::csr;
use crate::rtio_mgt::resolve_channel_name;
use cslice::CSlice;
use libcortex_a9::asm;
use vcell::VolatileCell;
pub const RTIO_O_STATUS_WAIT: i32 = 1;
pub const RTIO_O_STATUS_UNDERFLOW: i32 = 2;
pub const RTIO_O_STATUS_DESTINATION_UNREACHABLE: i32 = 4;
pub const RTIO_I_STATUS_WAIT_EVENT: i32 = 1;
pub const RTIO_I_STATUS_OVERFLOW: i32 = 2;
pub const RTIO_I_STATUS_WAIT_STATUS: i32 = 4; // TODO
pub const RTIO_I_STATUS_DESTINATION_UNREACHABLE: i32 = 8;
use crate::{artiq_raise, pl::csr, rtio_mgt::resolve_channel_name};
pub const RTIO_O_STATUS_WAIT: i32 = 1;
pub const RTIO_O_STATUS_UNDERFLOW: i32 = 2;
pub const RTIO_O_STATUS_DESTINATION_UNREACHABLE: i32 = 4;
pub const RTIO_I_STATUS_WAIT_EVENT: i32 = 1;
pub const RTIO_I_STATUS_OVERFLOW: i32 = 2;
pub const RTIO_I_STATUS_WAIT_STATUS: i32 = 4; // TODO
pub const RTIO_I_STATUS_DESTINATION_UNREACHABLE: i32 = 8;
#[repr(C)]
pub struct TimestampedData {
@@ -47,10 +46,10 @@ static mut TRANSACTION_BUFFER: Transaction = Transaction {
reply_timestamp: VolatileCell::new(0),
padding0: [0; 2],
padding1: [0; 2],
padding2: [0; 2]
padding2: [0; 2],
};
pub extern fn init() {
pub extern "C" fn init() {
unsafe {
csr::rtio_core::reset_write(1);
csr::rtio::engine_addr_base_write(&TRANSACTION_BUFFER as *const Transaction as u32);
@@ -58,7 +57,7 @@ pub extern fn init() {
}
}
pub extern fn get_counter() -> i64 {
pub extern "C" fn get_counter() -> i64 {
unsafe {
csr::rtio::counter_update_write(1);
csr::rtio::counter_read() as i64
@@ -67,15 +66,15 @@ pub extern fn get_counter() -> i64 {
static mut NOW: i64 = 0;
pub extern fn now_mu() -> i64 {
pub extern "C" fn now_mu() -> i64 {
unsafe { NOW }
}
pub extern fn at_mu(t: i64) {
pub extern "C" fn at_mu(t: i64) {
unsafe { NOW = t }
}
pub extern fn delay_mu(dt: i64) {
pub extern "C" fn delay_mu(dt: i64) {
unsafe { NOW += dt }
}
@@ -87,18 +86,34 @@ unsafe fn process_exceptional_status(channel: i32, status: i32) {
while csr::rtio::o_status_read() as i32 & RTIO_O_STATUS_WAIT != 0 {}
}
if status & RTIO_O_STATUS_UNDERFLOW != 0 {
artiq_raise!("RTIOUnderflow",
format!("RTIO underflow at {{1}} mu, channel 0x{:04x}:{}, slack {{2}} mu", channel, resolve_channel_name(channel as u32)),
channel as i64, timestamp, timestamp - get_counter());
artiq_raise!(
"RTIOUnderflow",
format!(
"RTIO underflow at {{1}} mu, channel 0x{:04x}:{}, slack {{2}} mu",
channel,
resolve_channel_name(channel as u32)
),
channel as i64,
timestamp,
timestamp - get_counter()
);
}
if status & RTIO_O_STATUS_DESTINATION_UNREACHABLE != 0 {
artiq_raise!("RTIODestinationUnreachable",
format!("RTIO destination unreachable, output, at {{0}} mu, channel 0x{:04x}:{}", channel, resolve_channel_name(channel as u32)),
timestamp, channel as i64, 0);
artiq_raise!(
"RTIODestinationUnreachable",
format!(
"RTIO destination unreachable, output, at {{0}} mu, channel 0x{:04x}:{}",
channel,
resolve_channel_name(channel as u32)
),
timestamp,
channel as i64,
0
);
}
}
pub extern fn output(target: i32, data: i32) {
pub extern "C" fn output(target: i32, data: i32) {
unsafe {
// Clear status so we can observe response
TRANSACTION_BUFFER.reply_status.set(0);
@@ -126,7 +141,7 @@ pub extern fn output(target: i32, data: i32) {
}
}