Fix write and read op bugs found in Deck test
This commit is contained in:
parent
b7fb4de8ff
commit
1b9bbbd0d5
4 changed files with 219 additions and 64 deletions
|
@ -6,7 +6,9 @@ edition = "2021"
|
|||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
|
||||
[dependencies]
|
||||
smokepatio = { version = "0.1", path = "../" }
|
||||
smokepatio = { version = "0.1", path = "../", features = [ "std" ] }
|
||||
|
||||
clap = { version = "4.4", features = [ "derive" ] }
|
||||
clap-num = "1.0"
|
||||
|
||||
libc = "0.2"
|
||||
|
|
|
@ -7,6 +7,13 @@ fn main() {
|
|||
println!("args: {:?}", cli);
|
||||
|
||||
let mut ec = EmbeddedController::new(cli.data_address, cli.cmd_address);
|
||||
|
||||
#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
|
||||
unsafe {
|
||||
libc::ioperm(cli.data_address as _, 1, 1);
|
||||
libc::ioperm(cli.cmd_address as _, 1, 1);
|
||||
}
|
||||
|
||||
match cli.op {
|
||||
args::Operation::ReadAll => todo!(),
|
||||
args::Operation::Read { address } => {
|
||||
|
|
|
@ -1,28 +1,45 @@
|
|||
pub trait SetValue<S> {
|
||||
pub trait SetValue<S, RV = u8> {
|
||||
const SETTING: S;
|
||||
|
||||
fn raw_value(&self) -> u8;
|
||||
fn raw_value(&self) -> RV;
|
||||
}
|
||||
|
||||
pub trait ControllerSet<S>: embedded_io::ErrorType {
|
||||
fn set<V: SetValue<S>>(&mut self, value: V) -> Result<(), Self::Error>;
|
||||
pub trait ControllerSet<S, RV = u8>: embedded_io::ErrorType {
|
||||
fn set<V: SetValue<S, RV>>(&mut self, value: V) -> Result<(), Self::Error>;
|
||||
}
|
||||
|
||||
pub trait GetValue<S> {
|
||||
pub trait GetValue<S, RV = u8> {
|
||||
const SETTING: S;
|
||||
|
||||
fn raw_value(value: u8) -> Self;
|
||||
fn raw_value(value: RV) -> Self;
|
||||
}
|
||||
|
||||
pub trait ControllerGet<S>: embedded_io::ErrorType {
|
||||
fn get<V: GetValue<S>>(&mut self) -> Result<V, Self::Error>;
|
||||
pub trait ControllerGet<S, RV = u8>: embedded_io::ErrorType {
|
||||
fn get<V: GetValue<S, RV>>(&mut self) -> Result<V, Self::Error>;
|
||||
}
|
||||
|
||||
/// Size of values to write and read from ports.
|
||||
/// System endianness is assumed.
|
||||
#[derive(Copy, Clone)]
|
||||
#[repr(u8)]
|
||||
pub enum ValueSize {
|
||||
Byte = 1, // u8
|
||||
Word = 2, // u16
|
||||
Long = 4, // u32
|
||||
}
|
||||
|
||||
#[cfg(feature = "std")]
|
||||
const WAIT_SLEEP: std::time::Duration = std::time::Duration::from_micros(10);
|
||||
#[cfg(feature = "std")]
|
||||
const MAX_WAIT_CHECKS: u16 = 0x07ff;
|
||||
#[cfg(not(feature = "std"))]
|
||||
const MAX_WAIT_CHECKS: u16 = 0x7fff;
|
||||
|
||||
pub struct EmbeddedController {
|
||||
data_address: u16,
|
||||
cmd_address: u16,
|
||||
cursor: u16,
|
||||
is_cmd_requested: bool,
|
||||
cmd_requested: u16,
|
||||
rw_size: ValueSize,
|
||||
}
|
||||
|
||||
impl EmbeddedController {
|
||||
|
@ -30,55 +47,84 @@ impl EmbeddedController {
|
|||
Self {
|
||||
data_address: data_addr,
|
||||
cmd_address: cmd_addr,
|
||||
cursor: 0,
|
||||
is_cmd_requested: false,
|
||||
cmd_requested: 0,
|
||||
rw_size: ValueSize::Byte,
|
||||
}
|
||||
}
|
||||
|
||||
fn request_if_not_already(&mut self) {
|
||||
if !self.is_cmd_requested {
|
||||
super::ports::outb(self.data_address, 0x81);
|
||||
self.is_cmd_requested = true;
|
||||
if self.cmd_requested == 0 {
|
||||
super::ports::outb(self.cmd_address, 0x81);
|
||||
self.cmd_requested = 1;
|
||||
} else {
|
||||
self.cmd_requested += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn wait_for_write_ready(&mut self) {
|
||||
use embedded_io::WriteReady;
|
||||
while !self.write_ready().unwrap() {
|
||||
#[cfg(feature = "std")]
|
||||
std::thread::sleep(WAIT_SLEEP);
|
||||
}
|
||||
}
|
||||
|
||||
fn wait_for_read_ready(&mut self) {
|
||||
use embedded_io::ReadReady;
|
||||
while !self.read_ready().unwrap() {
|
||||
#[cfg(feature = "std")]
|
||||
std::thread::sleep(WAIT_SLEEP);
|
||||
}
|
||||
}
|
||||
|
||||
pub fn set(&mut self, setting: u16, value: u8) {
|
||||
use embedded_io::{Write, Seek};
|
||||
self.seek(embedded_io::SeekFrom::Start(setting as _)).unwrap();
|
||||
use embedded_io::Write;
|
||||
self.write(&[setting as u8]).unwrap();
|
||||
self.cmd_requested = 1; // don't re-request, but still wait
|
||||
self.write(&[value]).unwrap();
|
||||
}
|
||||
|
||||
pub fn get(&mut self, setting: u16) -> u8 {
|
||||
use embedded_io::{Read, Seek};
|
||||
self.seek(embedded_io::SeekFrom::Start(setting as _)).unwrap();
|
||||
use embedded_io::{Read, Write};
|
||||
self.write(&[setting as u8]).unwrap();
|
||||
self.cmd_requested = 1; // don't re-request, but still wait
|
||||
let mut buf = [0u8; 1];
|
||||
self.read(&mut buf).unwrap();
|
||||
buf[0]
|
||||
}
|
||||
|
||||
pub fn set_value_size(&mut self, size: ValueSize) {
|
||||
self.rw_size = size;
|
||||
}
|
||||
}
|
||||
|
||||
impl embedded_io::ErrorType for EmbeddedController {
|
||||
type Error = core::convert::Infallible;
|
||||
}
|
||||
|
||||
impl embedded_io::Seek for EmbeddedController {
|
||||
fn seek(&mut self, pos: embedded_io::SeekFrom) -> Result<u64, Self::Error> {
|
||||
self.cursor = match pos {
|
||||
embedded_io::SeekFrom::Start(x) => x as u16,
|
||||
embedded_io::SeekFrom::End(x) => (u16::MAX as i64 + x) as u16,
|
||||
embedded_io::SeekFrom::Current(x) => (self.cursor as i64 + x) as u16
|
||||
};
|
||||
Ok(self.cursor as _)
|
||||
}
|
||||
}
|
||||
|
||||
impl embedded_io::Write for EmbeddedController {
|
||||
fn write(&mut self, buf: &[u8]) -> Result<usize, Self::Error> {
|
||||
use embedded_io::WriteReady;
|
||||
for &b in buf {
|
||||
while !self.write_ready()? { }
|
||||
super::ports::outb(self.cursor, b);
|
||||
let size = self.rw_size as u8;
|
||||
match self.rw_size {
|
||||
ValueSize::Byte => for &b in buf {
|
||||
self.wait_for_write_ready();
|
||||
self.cmd_requested = 1; // don't re-request, but still wait
|
||||
super::ports::outb(self.data_address, b);
|
||||
},
|
||||
ValueSize::Word => for i in (0..buf.len()).step_by(size as usize) {
|
||||
self.wait_for_write_ready();
|
||||
self.cmd_requested = 1; // don't re-request, but still wait
|
||||
let w = [buf[i], buf[i+1]];
|
||||
super::ports::outw(self.data_address, u16::from_ne_bytes(w));
|
||||
},
|
||||
ValueSize::Long => for i in (0..buf.len()).step_by(size as usize) {
|
||||
self.wait_for_write_ready();
|
||||
self.cmd_requested = 1; // don't re-request, but still wait
|
||||
let l = [buf[i], buf[i+1], buf[i+2], buf[i+3]];
|
||||
super::ports::outl(self.data_address, u32::from_ne_bytes(l));
|
||||
}
|
||||
}
|
||||
|
||||
Ok(buf.len())
|
||||
}
|
||||
|
||||
|
@ -90,9 +136,9 @@ impl embedded_io::Write for EmbeddedController {
|
|||
impl embedded_io::WriteReady for EmbeddedController {
|
||||
fn write_ready(&mut self) -> Result<bool, Self::Error> {
|
||||
self.request_if_not_already();
|
||||
let ready = super::ports::inb(self.cmd_address) & 2 == 0;
|
||||
let ready = super::ports::inb(self.cmd_address) & 2 == 0 || self.cmd_requested == MAX_WAIT_CHECKS;
|
||||
if ready {
|
||||
self.is_cmd_requested = false;
|
||||
self.cmd_requested = 0;
|
||||
}
|
||||
Ok(ready)
|
||||
}
|
||||
|
@ -100,10 +146,29 @@ impl embedded_io::WriteReady for EmbeddedController {
|
|||
|
||||
impl embedded_io::Read for EmbeddedController {
|
||||
fn read(&mut self, buf: &mut [u8]) -> Result<usize, Self::Error> {
|
||||
use embedded_io::ReadReady;
|
||||
for b in buf.iter_mut() {
|
||||
while !self.read_ready()? { }
|
||||
*b = super::ports::inb(self.cursor)
|
||||
let size = self.rw_size as u8;
|
||||
match self.rw_size {
|
||||
ValueSize::Byte => for b in buf.iter_mut() {
|
||||
self.wait_for_read_ready();
|
||||
self.cmd_requested = 1; // don't re-request, but still wait
|
||||
*b = super::ports::inb(self.data_address);
|
||||
},
|
||||
ValueSize::Word => for i in (0..buf.len()).step_by(size as usize) {
|
||||
self.wait_for_read_ready();
|
||||
self.cmd_requested = 1; // don't re-request, but still wait
|
||||
let w = super::ports::inw(self.data_address).to_ne_bytes();
|
||||
for j in 0..(size as usize) {
|
||||
buf[i + j] = w[j];
|
||||
}
|
||||
},
|
||||
ValueSize::Long => for i in (0..buf.len()).step_by(size as usize) {
|
||||
self.wait_for_read_ready();
|
||||
self.cmd_requested = 1; // don't re-request, but still wait
|
||||
let l = super::ports::inl(self.data_address).to_ne_bytes();
|
||||
for j in 0..(size as usize) {
|
||||
buf[i + j] = l[j];
|
||||
}
|
||||
}
|
||||
}
|
||||
Ok(buf.len())
|
||||
}
|
||||
|
@ -112,9 +177,9 @@ impl embedded_io::Read for EmbeddedController {
|
|||
impl embedded_io::ReadReady for EmbeddedController {
|
||||
fn read_ready(&mut self) -> Result<bool, Self::Error> {
|
||||
self.request_if_not_already();
|
||||
let ready = super::ports::inb(self.cmd_address) & 1 != 0;
|
||||
let ready = super::ports::inb(self.cmd_address) & 1 != 0 || self.cmd_requested == MAX_WAIT_CHECKS;
|
||||
if ready {
|
||||
self.is_cmd_requested = false;
|
||||
self.cmd_requested = 0;
|
||||
}
|
||||
Ok(ready)
|
||||
}
|
||||
|
|
123
src/ec/ports.rs
123
src/ec/ports.rs
|
@ -1,30 +1,111 @@
|
|||
// x86 and x86_64
|
||||
#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
|
||||
pub(crate) fn outb(port: u16, val: u8) {
|
||||
//let val: i16 = val.into();
|
||||
unsafe {
|
||||
std::arch::asm!("out dx, al", in("dx") port, in("al") val);
|
||||
//std::arch::asm!("outb %al, %dx", in("al") val, in("dx") port, options(att_syntax));
|
||||
#[cfg(all(any(target_arch = "x86", target_arch = "x86_64")))]
|
||||
mod ports_internal {
|
||||
#[inline]
|
||||
pub(crate) fn outb(port: u16, val: u8) {
|
||||
//println!("outb port:{:#04x} value:{:#02x}", port, val);
|
||||
unsafe {
|
||||
std::arch::asm!("out dx, al", in("dx") port, in("al") val);
|
||||
//std::arch::asm!("outb %al, %dx", in("al") val, in("dx") port, options(att_syntax));
|
||||
//std::arch::asm!("out dx,al", in("al") val, in("dx") port);
|
||||
}
|
||||
//println!("outb done");
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
|
||||
pub(crate) fn inb(port: u16) -> u8 {
|
||||
let out: u8;
|
||||
unsafe {
|
||||
std::arch::asm!("in al, dx", in("dx") port, lateout("al") out);
|
||||
// asm!("inb %dx, %al", in("dx") port, out("al") ret, options(att_syntax));
|
||||
#[inline]
|
||||
pub(crate) fn outw(port: u16, val: u16) {
|
||||
//println!("outw port:{:#04x} value:{:#02x}", port, val);
|
||||
unsafe {
|
||||
std::arch::asm!("out dx, ax", in("dx") port, in("ax") val);
|
||||
//std::arch::asm!("outb %al, %dx", in("al") val, in("dx") port, options(att_syntax));
|
||||
//std::arch::asm!("out dx,al", in("al") val, in("dx") port);
|
||||
}
|
||||
//println!("outw done");
|
||||
}
|
||||
|
||||
#[inline]
|
||||
pub(crate) fn outl(port: u16, val: u32) {
|
||||
//println!("outl port:{:#04x} value:{:#02x}", port, val);
|
||||
unsafe {
|
||||
std::arch::asm!("out dx, eax", in("dx") port, in("eax") val);
|
||||
//std::arch::asm!("outb %al, %dx", in("al") val, in("dx") port, options(att_syntax));
|
||||
//std::arch::asm!("out dx,al", in("al") val, in("dx") port);
|
||||
}
|
||||
//println!("outl done");
|
||||
}
|
||||
|
||||
#[inline]
|
||||
pub(crate) fn inb(port: u16) -> u8 {
|
||||
let out: u8;
|
||||
//println!("inb port:{:#04x}", port);
|
||||
unsafe {
|
||||
std::arch::asm!("in al, dx", in("dx") port, lateout("al") out);
|
||||
//std::arch::asm!("inb %dx, %al", in("dx") port, out("al") out, options(att_syntax));
|
||||
//std::arch::asm!("in al,dx", in("dx") port, out("al") out);
|
||||
}
|
||||
//println!("inb port:{:#04x} -> value:{:#02x}", port, out);
|
||||
out
|
||||
}
|
||||
|
||||
#[inline]
|
||||
pub(crate) fn inw(port: u16) -> u16 {
|
||||
let out: u16;
|
||||
//println!("inb port:{:#04x}", port);
|
||||
unsafe {
|
||||
std::arch::asm!("in ax, dx", in("dx") port, lateout("ax") out);
|
||||
//std::arch::asm!("inb %dx, %al", in("dx") port, out("al") out, options(att_syntax));
|
||||
//std::arch::asm!("in al,dx", in("dx") port, out("al") out);
|
||||
}
|
||||
//println!("inb port:{:#04x} -> value:{:#02x}", port, out);
|
||||
out
|
||||
}
|
||||
|
||||
#[inline]
|
||||
pub(crate) fn inl(port: u16) -> u32 {
|
||||
let out: u32;
|
||||
//println!("inb port:{:#04x}", port);
|
||||
unsafe {
|
||||
std::arch::asm!("in eax, dx", in("dx") port, lateout("eax") out);
|
||||
//std::arch::asm!("inb %dx, %al", in("dx") port, out("al") out, options(att_syntax));
|
||||
//std::arch::asm!("in al,dx", in("dx") port, out("al") out);
|
||||
}
|
||||
//println!("inb port:{:#04x} -> value:{:#02x}", port, out);
|
||||
out
|
||||
}
|
||||
out
|
||||
}
|
||||
|
||||
// Fallback (compiler error)
|
||||
#[cfg(not(any(any(target_arch = "x86", target_arch = "x86_64"), )))]
|
||||
pub(crate) fn outb(port: u16, val: u8) {
|
||||
compile_error!("outb not supported on this platform")
|
||||
#[cfg(not(any(all(any(target_arch = "x86", target_arch = "x86_64")), target_os = "linux")))]
|
||||
mod ports_internal {
|
||||
#[inline]
|
||||
pub(crate) fn outb(port: u16, val: u8) {
|
||||
compile_error!("outb not supported on this platform")
|
||||
}
|
||||
|
||||
#[inline]
|
||||
pub(crate) fn outw(port: u16, val: u16) {
|
||||
compile_error!("outw not supported on this platform")
|
||||
}
|
||||
|
||||
#[inline]
|
||||
pub(crate) fn outl(port: u16, val: u32) {
|
||||
compile_error!("outl not supported on this platform")
|
||||
}
|
||||
|
||||
#[inline]
|
||||
pub(crate) fn inb(port: u16) -> u8 {
|
||||
compile_error!("inb not supported on this platform")
|
||||
}
|
||||
|
||||
#[inline]
|
||||
pub(crate) fn inw(port: u16) -> u16 {
|
||||
compile_error!("inw not supported on this platform")
|
||||
}
|
||||
|
||||
#[inline]
|
||||
pub(crate) fn inl(port: u16) -> u32 {
|
||||
compile_error!("inl not supported on this platform")
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(not(any(any(target_arch = "x86", target_arch = "x86_64"), )))]
|
||||
pub(crate) fn inb(port: u16) -> u8 {
|
||||
compile_error!("inb not supported on this platform")
|
||||
}
|
||||
pub(crate) use ports_internal::*;
|
||||
|
|
Loading…
Reference in a new issue