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drtio: restore copy_work_buffer for transmission

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mwojcik 2024-12-04 15:18:19 +08:00 committed by sb10q
parent 716a5924d1
commit 922a03b807
3 changed files with 19 additions and 6 deletions
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15
src/libboard_artiq/src/drtioaux.rs
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@ -6,7 +6,7 @@ use io::{proto::{ProtoRead, ProtoWrite},
Cursor}; Cursor};
use libboard_zynq::{time::Milliseconds, timer::GlobalTimer}; use libboard_zynq::{time::Milliseconds, timer::GlobalTimer};
pub use crate::drtioaux_proto::Packet; pub use crate::drtioaux_proto::{Packet, MAX_PACKET};
use crate::{drtioaux_proto::Error as ProtocolError, mem::mem::DRTIOAUX_MEM, pl::csr::DRTIOAUX}; use crate::{drtioaux_proto::Error as ProtocolError, mem::mem::DRTIOAUX_MEM, pl::csr::DRTIOAUX};
#[derive(Debug)] #[derive(Debug)]
@ -35,6 +35,15 @@ impl From<IoError> for Error {
} }
} }
pub fn copy_work_buffer(src: *mut u32, dst: *mut u32, len: isize) {
// fix for artiq-zynq#344
unsafe {
for i in 0..(len / 4) {
*dst.offset(i) = *src.offset(i);
}
}
}
pub fn reset(linkno: u8) { pub fn reset(linkno: u8) {
let linkno = linkno as usize; let linkno = linkno as usize;
unsafe { unsafe {
@ -115,7 +124,9 @@ where F: FnOnce(&mut [u8]) -> Result<usize, Error> {
unsafe { unsafe {
while (DRTIOAUX[linkno].aux_tx_read)() != 0 {} while (DRTIOAUX[linkno].aux_tx_read)() != 0 {}
let ptr = DRTIOAUX_MEM[linkno].base as *mut u32; let ptr = DRTIOAUX_MEM[linkno].base as *mut u32;
let len = f(slice::from_raw_parts_mut(ptr as *mut u8, 0x400 as usize))?; let mut buf: [u8; MAX_PACKET] = [0; MAX_PACKET];
let len = f(&mut buf)?;
copy_work_buffer(buf.as_mut_ptr() as *mut u32, ptr, len as isize);
(DRTIOAUX[linkno].aux_tx_length_write)(len as u16); (DRTIOAUX[linkno].aux_tx_length_write)(len as u16);
(DRTIOAUX[linkno].aux_tx_write)(1); (DRTIOAUX[linkno].aux_tx_write)(1);
Ok(()) Ok(())

8
src/libboard_artiq/src/drtioaux_async.rs
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@ -9,8 +9,8 @@ use libboard_zynq::{time::Milliseconds, timer::GlobalTimer};
use nb; use nb;
use void::Void; use void::Void;
pub use crate::drtioaux_proto::Packet; pub use crate::drtioaux_proto::{Packet, MAX_PACKET};
use crate::{drtioaux::{has_rx_error, Error}, use crate::{drtioaux::{copy_work_buffer, has_rx_error, Error},
mem::mem::DRTIOAUX_MEM, mem::mem::DRTIOAUX_MEM,
pl::csr::DRTIOAUX}; pl::csr::DRTIOAUX};
@ -102,7 +102,9 @@ where F: FnOnce(&mut [u8]) -> Result<usize, Error> {
unsafe { unsafe {
let _ = block_async!(tx_ready(linkno)).await; let _ = block_async!(tx_ready(linkno)).await;
let ptr = DRTIOAUX_MEM[linkno].base as *mut u32; let ptr = DRTIOAUX_MEM[linkno].base as *mut u32;
let len = f(slice::from_raw_parts_mut(ptr as *mut u8, 0x400 as usize))?; let mut buf: [u8; MAX_PACKET] = [0; MAX_PACKET];
let len = f(&mut buf)?;
copy_work_buffer(buf.as_mut_ptr() as *mut u32, ptr, len as isize);
(DRTIOAUX[linkno].aux_tx_length_write)(len as u16); (DRTIOAUX[linkno].aux_tx_length_write)(len as u16);
(DRTIOAUX[linkno].aux_tx_write)(1); (DRTIOAUX[linkno].aux_tx_write)(1);
Ok(()) Ok(())

2
src/libboard_artiq/src/drtioaux_proto.rs
View File

@ -1,7 +1,7 @@
use core_io::{Error as IoError, Read, Write}; use core_io::{Error as IoError, Read, Write};
use io::proto::{ProtoRead, ProtoWrite}; use io::proto::{ProtoRead, ProtoWrite};
const MAX_PACKET: usize = 1024; pub const MAX_PACKET: usize = 1024;
// maximum size of arbitrary payloads // maximum size of arbitrary payloads
// used by satellite -> master analyzer, subkernel exceptions // used by satellite -> master analyzer, subkernel exceptions