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zynq-rs
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up rust-fatfs to 0.4, remove core_io

This commit is contained in:
Simon Renblad 2024-10-04 12:52:40 +08:00
parent aef7dcabae
commit 6dc831a8f8
8 changed files with 178 additions and 99 deletions
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7
flake.nix
View File

@ -112,7 +112,12 @@
src = builtins.filterSource (path: type:
baseNameOf path != "target"
) ./.;
cargoLock = { lockFile = ./Cargo.lock; };
cargoLock = {
lockFile = ./Cargo.lock;
outputHashes = {
"fatfs-0.4.0" = "sha256-P7IgvhwTPXtNhcyv8cFqwO2UdaEcCGJY7UBG6+yBFSg=";
};
};
nativeBuildInputs = [ cargo-xbuild llvmPackages_11.clang-unwrapped ];
buildPhase = ''

8
libconfig/Cargo.toml
View File

@ -6,10 +6,14 @@ edition = "2021"
[dependencies]
libboard_zynq = { path = "../libboard_zynq" }
core_io = { version = "0.1", features = ["collections"] }
fatfs = { version = "0.3", features = ["core_io"], default-features = false }
log = "0.4"
[dependencies.fatfs]
git = "https://github.com/rafalh/rust-fatfs"
rev = "85f06e0"
default-features = false
features = ["alloc", "lfn"]
[features]
target_zc706 = []
target_coraz7 = []

26
libconfig/src/bootgen.rs
View File

@ -1,8 +1,12 @@
use alloc::vec::Vec;
use core_io::{Error, Read, Seek, SeekFrom};
use fatfs::{self, Read, Seek, SeekFrom};
use libboard_zynq::devc;
use crate::sd_reader;
use crate::File;
use log::debug;
type Error = fatfs::Error<sd_reader::Error>;
#[derive(Debug)]
pub enum BootgenLoadingError {
InvalidBootImageHeader,
@ -58,7 +62,7 @@ struct PartitionHeader {
}
/// Read a u32 word from the reader.
fn read_u32<Reader: Read>(reader: &mut Reader) -> Result<u32, BootgenLoadingError> {
fn read_u32<'a>(reader: &mut File<'a>) -> Result<u32, BootgenLoadingError> {
let mut buffer: [u8; 4] = [0; 4];
reader.read_exact(&mut buffer)?;
let mut result: u32 = 0;
@ -69,8 +73,8 @@ fn read_u32<Reader: Read>(reader: &mut Reader) -> Result<u32, BootgenLoadingErro
}
/// Load PL partition header.
fn load_pl_header<File: Read + Seek>(
file: &mut File,
fn load_pl_header<'a>(
file: &mut File<'a>,
) -> Result<Option<PartitionHeader>, BootgenLoadingError> {
let mut buffer: [u8; 0x40] = [0; 0x40];
file.read_exact(&mut buffer)?;
@ -82,8 +86,8 @@ fn load_pl_header<File: Read + Seek>(
}
}
fn load_ps_header<File: Read + Seek>(
file: &mut File,
fn load_ps_header<'a>(
file: &mut File<'a>,
) -> Result<Option<PartitionHeader>, BootgenLoadingError> {
let mut buffer: [u8; 0x40] = [0; 0x40];
file.read_exact(&mut buffer)?;
@ -98,10 +102,10 @@ fn load_ps_header<File: Read + Seek>(
/// Locate the partition from the image, and return the size (in bytes) of the partition if successful.
/// This function would seek the file to the location of the partition.
fn locate<
File: Read + Seek,
F: Fn(&mut File) -> Result<Option<PartitionHeader>, BootgenLoadingError>,
'a,
F: Fn(&mut File<'a>) -> Result<Option<PartitionHeader>, BootgenLoadingError>,
>(
file: &mut File,
file: &mut File<'a>,
f: F,
) -> Result<usize, BootgenLoadingError> {
file.seek(SeekFrom::Start(0))?;
@ -149,7 +153,7 @@ fn locate<
/// Load bitstream from bootgen file.
/// This function parses the file, locate the bitstream and load it through the PCAP driver.
/// It requires a large buffer, please enable the DDR RAM before using it.
pub fn load_bitstream<File: Read + Seek>(file: &mut File) -> Result<(), BootgenLoadingError> {
pub fn load_bitstream<'a>(file: &mut File<'a>) -> Result<(), BootgenLoadingError> {
let size = locate(file, load_pl_header)?;
unsafe {
// align to 64 bytes
@ -170,7 +174,7 @@ pub fn load_bitstream<File: Read + Seek>(file: &mut File) -> Result<(), BootgenL
}
}
pub fn get_runtime<File: Read + Seek>(file: &mut File) -> Result<Vec<u8>, BootgenLoadingError> {
pub fn get_runtime<'a>(file: &mut File<'a>) -> Result<Vec<u8>, BootgenLoadingError> {
let size = locate(file, load_ps_header)?;
let mut buffer = Vec::with_capacity(size);
unsafe {

74
libconfig/src/lib.rs
View File

@ -1,19 +1,24 @@
#![no_std]
extern crate alloc;
use alloc::{rc::Rc, string::FromUtf8Error, string::String, vec::Vec};
use sd_reader::SdReader;
use core::fmt;
use alloc::{string::FromUtf8Error, string::String, vec::Vec, rc::Rc};
use core_io::{self as io, BufRead, BufReader, Read, Write, Seek, SeekFrom};
use fatfs::{self, Read, Seek, SeekFrom, Write};
use libboard_zynq::sdio;
pub mod sd_reader;
pub mod net_settings;
pub mod bootgen;
pub mod net_settings;
pub mod sd_reader;
type SdReadError = fatfs::Error<sd_reader::Error>;
pub type File<'a> = fatfs::File<'a, SdReader, fatfs::NullTimeProvider, fatfs::LossyOemCpConverter>;
#[derive(Debug)]
pub enum Error<'a> {
SdError(sdio::sd_card::CardInitializationError),
IoError(io::Error),
IoError(SdReadError),
Utf8Error(FromUtf8Error),
KeyNotFoundError(&'a str),
NoConfig,
@ -39,8 +44,8 @@ impl<'a> From<sdio::sd_card::CardInitializationError> for Error<'a> {
}
}
impl<'a> From<io::Error> for Error<'a> {
fn from(error: io::Error) -> Self {
impl<'a> From<SdReadError> for Error<'a> {
fn from(error: SdReadError) -> Self {
Error::IoError(error)
}
}
@ -51,14 +56,36 @@ impl<'a> From<FromUtf8Error> for Error<'a> {
}
}
// Simplified replacements to `read_to_end` and `read_to_string` from core_io
fn read_to_end<'a>(file: &mut File<'a>, buffer: &mut Vec<u8>) -> Result<'a, ()> {
let mut temp_buffer = [0; 1024];
loop {
let read_bytes = file.read(&mut temp_buffer)?;
if read_bytes == 0 {
break;
}
else {
buffer.extend_from_slice(&temp_buffer[..read_bytes]);
}
}
Ok(())
}
fn read_to_string<'a>(file: &mut File<'a>) -> Result<'a, String> {
let mut buffer: Vec<u8> = Vec::new();
read_to_end(file, &mut buffer)?;
Ok(String::from_utf8(buffer)?)
}
fn parse_config<'a>(
key: &'a str,
buffer: &mut Vec<u8>,
file: fatfs::File<sd_reader::SdReader>,
mut file: File<'a>,
) -> Result<'a, ()> {
let prefix = [key, "="].concat().to_ascii_lowercase();
for line in BufReader::new(file).lines() {
let line = line?.to_ascii_lowercase();
let read_buffer = read_to_string(&mut file)?;
for line in read_buffer.lines() {
let line = line.to_ascii_lowercase();
if line.starts_with(&prefix) {
buffer.extend(line[prefix.len()..].as_bytes());
return Ok(());
@ -83,7 +110,9 @@ impl Config {
let reader = sd_reader::SdReader::new(sd);
let fs = reader.mount_fatfs(sd_reader::PartitionEntry::Entry1)?;
Ok(Config { fs: Some(Rc::new(fs)) })
Ok(Config {
fs: Some(Rc::new(fs)),
})
}
pub fn from_fs(fs: Option<Rc<fatfs::FileSystem<sd_reader::SdReader>>>) -> Self {
@ -94,12 +123,12 @@ impl Config {
Config { fs: None }
}
pub fn read<'b>(&self, key: &'b str) -> Result<'b, Vec<u8>> {
pub fn read<'b>(&'b self, key: &'b str) -> Result<'b, Vec<u8>> {
if let Some(fs) = &self.fs {
let root_dir = fs.root_dir();
let mut buffer: Vec<u8> = Vec::new();
match root_dir.open_file(&["/CONFIG/", key, ".BIN"].concat()) {
Ok(mut f) => f.read_to_end(&mut buffer).map(|_| ())?,
Ok(mut f) => read_to_end( &mut f, &mut buffer)?,
Err(_) => match root_dir.open_file("/CONFIG.TXT") {
Ok(f) => parse_config(key, &mut buffer, f)?,
Err(_) => return Err(Error::KeyNotFoundError(key)),
@ -111,11 +140,11 @@ impl Config {
}
}
pub fn read_str<'b>(&self, key: &'b str) -> Result<'b, String> {
pub fn read_str<'b>(&'b self, key: &'b str) -> Result<'b, String> {
Ok(String::from_utf8(self.read(key)?)?)
}
pub fn remove<'b>(&self, key: &'b str) -> Result<'b, ()> {
pub fn remove<'b>(&'b self, key: &'b str) -> Result<'b, ()> {
if let Some(fs) = &self.fs {
let root_dir = fs.root_dir();
match root_dir.remove(&["/CONFIG/", key, ".BIN"].concat()) {
@ -124,19 +153,19 @@ impl Config {
let prefix = [key, "="].concat().to_ascii_lowercase();
match root_dir.create_file("/CONFIG.TXT") {
Ok(mut f) => {
let mut buffer = String::new();
f.read_to_string(&mut buffer)?;
let buffer = read_to_string(&mut f)?;
f.seek(SeekFrom::Start(0))?;
f.truncate()?;
for line in buffer.lines() {
if line.len() > 0 && !line.to_ascii_lowercase().starts_with(&prefix) {
if line.len() > 0 && !line.to_ascii_lowercase().starts_with(&prefix)
{
f.write(line.as_bytes())?;
f.write(NEWLINE)?;
}
}
Ok(())
},
Err(_) => Err(Error::KeyNotFoundError(key))
}
Err(_) => Err(Error::KeyNotFoundError(key)),
}
}
}
@ -162,7 +191,10 @@ impl Config {
if is_str {
let mut f = root_dir.create_file("/CONFIG.TXT")?;
f.seek(SeekFrom::End(0))?;
write!(f, "{}={}\n", key, String::from_utf8(value).unwrap())?;
f.write(key.as_bytes())?;
f.write("=".as_bytes())?;
f.write(value.as_slice())?;
f.write(NEWLINE)?;
} else {
let dir = root_dir.create_dir("/CONFIG")?;
let mut f = dir.create_file(&[key, ".BIN"].concat())?;

133
libconfig/src/sd_reader.rs
View File

@ -1,8 +1,8 @@
use core_io::{BufRead, Error, ErrorKind, Read, Result as IoResult, Seek, SeekFrom, Write};
use fatfs;
use alloc::vec::Vec;
use core::fmt;
use fatfs::{self, IoBase, IoError, Read, Seek, SeekFrom, Write};
use libboard_zynq::sdio::{sd_card::SdCard, CmdTransferError};
use log::debug;
use alloc::vec::Vec;
const MBR_SIGNATURE: [u8; 2] = [0x55, 0xAA];
const PARTID_FAT12: u8 = 0x01;
@ -12,13 +12,46 @@ const PARTID_FAT32: u8 = 0x0B;
const PARTID_FAT32_LBA: u8 = 0x0C;
const PARTID_FAT16_LBA: u8 = 0x0E;
fn cmd_error_to_io_error(_: CmdTransferError) -> Error {
Error::new(ErrorKind::Other, "Command transfer error")
}
const BLOCK_SIZE: usize = 512;
/// SdReader struct implementing `Read + BufRead + Write + Seek` traits for `core_io`.
#[derive(Debug)]
pub struct Error {
message: &'static str,
}
impl Error {
pub fn new(message: &'static str) -> Self {
Self { message: message }
}
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}", self.message)
}
}
impl IoError for Error {
fn is_interrupted(&self) -> bool {
false
}
fn new_unexpected_eof_error() -> Self {
Error::new("Unexpected end of file error")
}
fn new_write_zero_error() -> Self {
Error::new("Write zero error")
}
}
impl From<CmdTransferError> for Error {
fn from(_: CmdTransferError) -> Self {
Error::new("Command transfer error")
}
}
/// SdReader struct implementing `Read + Write + Seek` traits for `core_io`.
/// Used as an adaptor for fatfs crate, but could be used directly for raw data access.
///
/// Implementation: all read/writes would be split into unaligned and block-aligned parts,
@ -43,6 +76,10 @@ pub struct SdReader {
offset: u32,
}
impl IoBase for SdReader {
type Error = Error;
}
#[derive(Copy, Clone)]
#[allow(unused)]
// Partition entry enum, normally we would use entry1.
@ -72,7 +109,7 @@ impl SdReader {
/// Internal read function for unaligned read.
/// The read must not cross block boundary.
fn read_unaligned(&mut self, buf: &mut [u8]) -> IoResult<usize> {
fn read_unaligned(&mut self, buf: &mut [u8]) -> Result<usize, Error> {
if buf.len() == 0 {
return Ok(0);
}
@ -86,7 +123,7 @@ impl SdReader {
/// Internal write function for unaligned write.
/// The write must not cross block boundary.
fn write_unaligned(&mut self, buf: &[u8]) -> IoResult<usize> {
fn write_unaligned(&mut self, buf: &[u8]) -> Result<usize, Error> {
if buf.len() == 0 {
return Ok(0);
}
@ -137,7 +174,7 @@ impl SdReader {
}
/// Set the base offset of the SD card, to transform from physical address to logical address.
fn set_base_offset(&mut self, offset: u32) -> IoResult<u64> {
fn set_base_offset(&mut self, offset: u32) -> Result<u64, Error> {
self.offset = offset;
self.seek(SeekFrom::Start(0))
}
@ -145,29 +182,28 @@ impl SdReader {
/// Mount fatfs from partition entry, and return the fatfs object if success.
/// This takes the ownership of self, so currently there is no way to recover from an error,
/// except creating a new SD card instance.
pub fn mount_fatfs(mut self, entry: PartitionEntry) -> IoResult<fatfs::FileSystem<Self>> {
pub fn mount_fatfs(
mut self,
entry: PartitionEntry,
) -> Result<fatfs::FileSystem<Self>, fatfs::Error<Error>> {
let mut buffer: [u8; 4] = [0; 4];
self.seek(SeekFrom::Start(0x1FE))?;
self.read_exact(&mut buffer[..2])?;
// check MBR signature
if buffer[..2] != MBR_SIGNATURE {
return Err(Error::new(
ErrorKind::InvalidData,
"Incorrect signature for MBR sector.",
));
return Err(fatfs::Error::Io(Error::new("Incorrect signature for MBR sector.")));
}
// Read partition ID.
self.seek(SeekFrom::Start(entry as u64 + 0x4))?;
self.read_exact(&mut buffer[..1])?;
debug!("Partition ID: {:0X}", buffer[0]);
match buffer[0] {
PARTID_FAT12 | PARTID_FAT16_LESS32M | PARTID_FAT16 |
PARTID_FAT16_LBA | PARTID_FAT32 | PARTID_FAT32_LBA => {}
PARTID_FAT12 | PARTID_FAT16_LESS32M | PARTID_FAT16 | PARTID_FAT16_LBA
| PARTID_FAT32 | PARTID_FAT32_LBA => {}
_ => {
return Err(Error::new(
ErrorKind::InvalidData,
return Err(fatfs::Error::Io(Error::new(
"No FAT partition found for the specified entry.",
));
)));
}
}
// Read LBA
@ -183,10 +219,29 @@ impl SdReader {
// setup fatfs
fatfs::FileSystem::new(self, fatfs::FsOptions::new())
}
fn fill_buf(&mut self) -> Result<&[u8], Error> {
if self.index == BLOCK_SIZE {
// flush the buffer if it is dirty before overwriting it with new data
if self.dirty {
self.flush()?;
}
// reload buffer
self.sd
.read_block(self.byte_addr / (BLOCK_SIZE as u32), 1, &mut self.buffer)?;
self.index = (self.byte_addr as usize) % BLOCK_SIZE;
}
Ok(&self.buffer[self.index..])
}
fn consume(&mut self, amt: usize) {
self.index += amt;
self.byte_addr += amt as u32;
}
}
impl Read for SdReader {
fn read(&mut self, buf: &mut [u8]) -> IoResult<usize> {
fn read(&mut self, buf: &mut [u8]) -> Result<usize, Error> {
let total_length = buf.len();
let (a, b, c) = self.block_align_mut(buf);
self.read_unaligned(a)?;
@ -211,30 +266,8 @@ impl Read for SdReader {
}
}
impl BufRead for SdReader {
fn fill_buf(&mut self) -> IoResult<&[u8]> {
if self.index == BLOCK_SIZE {
// flush the buffer if it is dirty before overwriting it with new data
if self.dirty {
self.flush()?;
}
// reload buffer
self.sd
.read_block(self.byte_addr / (BLOCK_SIZE as u32), 1, &mut self.buffer)
.map_err(cmd_error_to_io_error)?;
self.index = (self.byte_addr as usize) % BLOCK_SIZE;
}
Ok(&self.buffer[self.index..])
}
fn consume(&mut self, amt: usize) {
self.index += amt;
self.byte_addr += amt as u32;
}
}
impl Write for SdReader {
fn write(&mut self, buf: &[u8]) -> IoResult<usize> {
fn write(&mut self, buf: &[u8]) -> Result<usize, Error> {
let (a, b, c) = self.block_align(buf);
self.write_unaligned(a)?;
if b.len() > 0 {
@ -255,12 +288,10 @@ impl Write for SdReader {
Ok(buf.len())
}
fn flush(&mut self) -> IoResult<()> {
fn flush(&mut self) -> Result<(), Error> {
if self.dirty {
let block_addr = (self.byte_addr - self.index as u32) / (BLOCK_SIZE as u32);
self.sd
.write_block(block_addr, 1, &self.buffer)
.map_err(cmd_error_to_io_error)?;
self.sd.write_block(block_addr, 1, &self.buffer)?;
self.dirty = false;
}
Ok(())
@ -268,14 +299,14 @@ impl Write for SdReader {
}
impl Seek for SdReader {
fn seek(&mut self, pos: SeekFrom) -> IoResult<u64> {
fn seek(&mut self, pos: SeekFrom) -> Result<u64, Error> {
let raw_target = match pos {
SeekFrom::Start(x) => self.offset as i64 + x as i64,
SeekFrom::Current(x) => self.byte_addr as i64 + x,
SeekFrom::End(_) => panic!("SD card does not support seek from end"),
};
if raw_target < self.offset as i64 || raw_target > core::u32::MAX as i64 {
return Err(Error::new(ErrorKind::InvalidInput, "Invalid address"));
return Err(Error::new("Invalid address"));
}
let target_byte_addr = raw_target as u32;
let address_same_block =

7
szl/Cargo.toml
View File

@ -16,10 +16,15 @@ default = ["target_zc706"]
[dependencies]
log = "0.4"
byteorder = { version = "1.3", default-features = false }
core_io = { version = "0.1", features = ["collections"] }
libboard_zynq = { path = "../libboard_zynq" }
libsupport_zynq = { path = "../libsupport_zynq" }
libcortex_a9 = { path = "../libcortex_a9" }
libregister = { path = "../libregister" }
libconfig = { path = "../libconfig" }
[dependencies.fatfs]
git = "https://github.com/rafalh/rust-fatfs"
rev = "85f06e0"
default-features = false
features = ["alloc", "lfn"]

7
szl/src/main.rs
View File

@ -8,7 +8,6 @@ mod netboot;
use alloc::rc::Rc;
use core::mem;
use core_io::{Read, Seek};
use libboard_zynq::{
self as zynq,
clocks::source::{ArmPll, ClockSource, IoPll},
@ -16,7 +15,7 @@ use libboard_zynq::{
logger, println, sdio, slcr,
timer::GlobalTimer,
};
use libconfig::{bootgen, sd_reader, Config};
use libconfig::{bootgen, sd_reader, Config, File};
use libcortex_a9::{
asm::{dsb, isb},
cache::{bpiall, dcciall, iciallu},
@ -30,8 +29,8 @@ extern "C" {
static mut __runtime_end: usize;
}
fn boot_sd<File: Read + Seek>(
file: &mut Option<File>,
fn boot_sd<'a>(
file: &mut Option<File<'a>>,
runtime_start: *mut u8,
runtime_max: usize,
) -> Result<(), ()> {

13
szl/src/netboot.rs
View File

@ -1,7 +1,6 @@
use alloc::vec;
use alloc::vec::Vec;
use byteorder::{ByteOrder, NetworkEndian};
use core_io::{Read, Seek};
use libboard_zynq::{
devc,
eth::Eth,
@ -13,7 +12,7 @@ use libboard_zynq::{
},
timer::GlobalTimer,
};
use libconfig::{bootgen, net_settings, Config};
use libconfig::{bootgen, net_settings, Config, File};
enum NetConnState {
WaitCommand,
@ -48,7 +47,7 @@ impl NetConn {
self.gateware_downloaded = false;
}
fn input_partial<File: Read + Seek>(
fn input_partial(
&mut self,
bootgen_file: &mut Option<File>,
runtime_start: *mut u8,
@ -284,9 +283,9 @@ impl NetConn {
}
}
fn input<File: Read + Seek>(
fn input<'a>(
&mut self,
bootgen_file: &mut Option<File>,
bootgen_file: &mut Option<File<'a>>,
runtime_start: *mut u8,
runtime_max_len: usize,
buf: &[u8],
@ -309,8 +308,8 @@ impl NetConn {
}
}
pub fn netboot<File: Read + Seek>(
bootgen_file: &mut Option<File>,
pub fn netboot<'a>(
bootgen_file: &mut Option<File<'a>>,
cfg: Config,
runtime_start: *mut u8,
runtime_max_len: usize,