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artiq
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Ported rpc changes to or1k

pull/1511/head
pca006132 2020-08-26 11:32:11 +08:00 committed by Sébastien Bourdeauducq
parent 7181ff66a6
commit aac2194759
2 changed files with 97 additions and 9 deletions
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1
artiq/firmware/libproto_artiq/lib.rs
View File

@ -11,6 +11,7 @@ extern crate cslice;
#[macro_use]
extern crate log;
extern crate byteorder;
extern crate io;
extern crate dyld;

105
artiq/firmware/libproto_artiq/rpc_proto.rs
View File

@ -1,6 +1,7 @@
use core::str;
use core::slice;
use cslice::{CSlice, CMutSlice};
use byteorder::{NetworkEndian, ByteOrder};
use io::{ProtoRead, Read, Write, ProtoWrite, Error};
use self::tag::{Tag, TagIterator, split_tag};
@ -53,13 +54,34 @@ unsafe fn recv_value<R, E>(reader: &mut R, tag: Tag, data: &mut *mut (),
struct List { elements: *mut (), length: u32 };
consume_value!(List, |ptr| {
(*ptr).length = reader.read_u32()?;
let length = (*ptr).length as usize;
let tag = it.clone().next().expect("truncated tag");
(*ptr).elements = alloc(tag.size() * (*ptr).length as usize)?;
let mut data = (*ptr).elements;
for _ in 0..(*ptr).length as usize {
recv_value(reader, tag, &mut data, alloc)?
match tag {
Tag::Bool => {
let dest = slice::from_raw_parts_mut(data as *mut u8, length);
reader.read_exact(dest)?;
},
Tag::Int32 => {
let dest = slice::from_raw_parts_mut(data as *mut u8, length * 4);
reader.read_exact(dest)?;
let dest = slice::from_raw_parts_mut(data as *mut i32, length);
NetworkEndian::from_slice_i32(dest);
},
Tag::Int64 | Tag::Float64 => {
let dest = slice::from_raw_parts_mut(data as *mut u8, length * 8);
reader.read_exact(dest)?;
let dest = slice::from_raw_parts_mut(data as *mut i64, length);
NetworkEndian::from_slice_i64(dest);
},
_ => {
for _ in 0..length {
recv_value(reader, tag, &mut data, alloc)?
}
}
}
Ok(())
})
@ -72,13 +94,34 @@ unsafe fn recv_value<R, E>(reader: &mut R, tag: Tag, data: &mut *mut (),
total_len *= len;
consume_value!(u32, |ptr| *ptr = len )
}
let length = total_len as usize;
let elt_tag = it.clone().next().expect("truncated tag");
*buffer = alloc(elt_tag.size() * total_len as usize)?;
let mut data = *buffer;
for _ in 0..total_len {
recv_value(reader, elt_tag, &mut data, alloc)?
match elt_tag {
Tag::Bool => {
let dest = slice::from_raw_parts_mut(data as *mut u8, length);
reader.read_exact(dest)?;
},
Tag::Int32 => {
let dest = slice::from_raw_parts_mut(data as *mut u8, length * 4);
reader.read_exact(dest)?;
let dest = slice::from_raw_parts_mut(data as *mut i32, length);
NetworkEndian::from_slice_i32(dest);
},
Tag::Int64 | Tag::Float64 => {
let dest = slice::from_raw_parts_mut(data as *mut u8, length * 8);
reader.read_exact(dest)?;
let dest = slice::from_raw_parts_mut(data as *mut i64, length);
NetworkEndian::from_slice_i64(dest);
},
_ => {
for _ in 0..length {
recv_value(reader, elt_tag, &mut data, alloc)?
}
}
}
Ok(())
})
@ -155,11 +198,33 @@ unsafe fn send_value<W>(writer: &mut W, tag: Tag, data: &mut *const ())
#[repr(C)]
struct List { elements: *const (), length: u32 };
consume_value!(List, |ptr| {
let length = (*ptr).length as usize;
writer.write_u32((*ptr).length)?;
let tag = it.clone().next().expect("truncated tag");
let mut data = (*ptr).elements;
for _ in 0..(*ptr).length as usize {
send_value(writer, tag, &mut data)?;
writer.write_u8(tag.as_u8())?;
match tag {
Tag::Bool => {
let slice = slice::from_raw_parts(data as *const u8, length);
writer.write_all(slice)?;
},
Tag::Int32 => {
let slice = slice::from_raw_parts(data as *const u32, length);
for v in slice.iter() {
writer.write_u32(*v)?;
}
},
Tag::Int64 | Tag::Float64 => {
let slice = slice::from_raw_parts(data as *const u64, length);
for v in slice.iter() {
writer.write_u64(*v)?;
}
},
_ => {
for _ in 0..length {
send_value(writer, tag, &mut data)?;
}
}
}
Ok(())
})
@ -176,9 +241,31 @@ unsafe fn send_value<W>(writer: &mut W, tag: Tag, data: &mut *const ())
total_len *= *len;
})
}
let length = total_len as usize;
let mut data = *buffer;
for _ in 0..total_len as usize {
send_value(writer, elt_tag, &mut data)?;
writer.write_u8(elt_tag.as_u8())?;
match elt_tag {
Tag::Bool => {
let slice = slice::from_raw_parts(data as *const u8, length);
writer.write_all(slice)?;
},
Tag::Int32 => {
let slice = slice::from_raw_parts(data as *const u32, length);
for v in slice.iter() {
writer.write_u32(*v)?;
}
},
Tag::Int64 | Tag::Float64 => {
let slice = slice::from_raw_parts(data as *const u64, length);
for v in slice.iter() {
writer.write_u64(*v)?;
}
},
_ => {
for _ in 0..length {
send_value(writer, elt_tag, &mut data)?;
}
}
}
Ok(())
})