Removed hash DMA from unsupported configs.

This commit is contained in:
Caleb Garrett 2024-02-08 17:24:27 -05:00
parent bfa67c2993
commit f6645750c9
6 changed files with 89 additions and 16 deletions

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@ -68,7 +68,7 @@ rand_core = "0.6.3"
sdio-host = "0.5.0"
critical-section = "1.1"
#stm32-metapac = { version = "15" }
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-5674011dd7db845c9d70d6a20a16129221026d25" }
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-36a3262735a169e31b702bcb0ac6c0067c3f078e" }
vcell = "0.1.3"
bxcan = "0.7.0"
nb = "1.0.0"
@ -89,7 +89,7 @@ critical-section = { version = "1.1", features = ["std"] }
proc-macro2 = "1.0.36"
quote = "1.0.15"
#stm32-metapac = { version = "15", default-features = false, features = ["metadata"]}
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-5674011dd7db845c9d70d6a20a16129221026d25", default-features = false, features = ["metadata"]}
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-36a3262735a169e31b702bcb0ac6c0067c3f078e", default-features = false, features = ["metadata"]}
[features]

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@ -1,7 +1,8 @@
//! Hash Accelerator (HASH)
#[cfg_attr(hash_v1, path = "v1.rs")]
#[cfg_attr(hash_v2, path = "v2v3.rs")]
#[cfg_attr(hash_v3, path = "v2v3.rs")]
#[cfg_attr(hash_v1, path = "v1v3v4.rs")]
#[cfg_attr(hash_v2, path = "v2.rs")]
#[cfg_attr(hash_v3, path = "v1v3v4.rs")]
#[cfg_attr(hash_v4, path = "v1v3v4.rs")]
mod _version;
pub use _version::*;

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@ -13,10 +13,16 @@ use crate::peripherals::HASH;
use crate::rcc::sealed::RccPeripheral;
use crate::{interrupt, pac, peripherals, Peripheral};
#[cfg(hash_v1)]
const NUM_CONTEXT_REGS: usize = 51;
const HASH_BUFFER_LEN: usize = 68;
const DIGEST_BLOCK_SIZE: usize = 64;
const MAX_DIGEST_SIZE: usize = 20;
#[cfg(hash_v3)]
const NUM_CONTEXT_REGS: usize = 103;
#[cfg(hash_v4)]
const NUM_CONTEXT_REGS: usize = 54;
const HASH_BUFFER_LEN: usize = 132;
const DIGEST_BLOCK_SIZE: usize = 128;
const MAX_DIGEST_SIZE: usize = 128;
static HASH_WAKER: AtomicWaker = AtomicWaker::new();
@ -40,12 +46,36 @@ impl<T: Instance> interrupt::typelevel::Handler<T::Interrupt> for InterruptHandl
}
///Hash algorithm selection
#[derive(PartialEq)]
#[derive(Clone, Copy, PartialEq)]
pub enum Algorithm {
/// SHA-1 Algorithm
SHA1 = 0,
#[cfg(any(hash_v1, hash_v4))]
/// MD5 Algorithm
MD5 = 1,
/// SHA-224 Algorithm
SHA224 = 2,
/// SHA-256 Algorithm
SHA256 = 3,
#[cfg(hash_v3)]
/// SHA-384 Algorithm
SHA384 = 12,
#[cfg(hash_v3)]
/// SHA-512/224 Algorithm
SHA512_224 = 13,
#[cfg(hash_v3)]
/// SHA-512/256 Algorithm
SHA512_256 = 14,
#[cfg(hash_v3)]
/// SHA-256 Algorithm
SHA512 = 15,
}
/// Input data width selection
@ -83,7 +113,10 @@ pub struct Hash<'d, T: Instance> {
impl<'d, T: Instance> Hash<'d, T> {
/// Instantiates, resets, and enables the HASH peripheral.
pub fn new(peripheral: impl Peripheral<P = T> + 'd) -> Self {
pub fn new(
peripheral: impl Peripheral<P = T> + 'd,
_irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
) -> Self {
HASH::enable_and_reset();
into_ref!(peripheral);
let instance = Self {
@ -115,10 +148,31 @@ impl<'d, T: Instance> Hash<'d, T> {
T::regs().cr().modify(|w| w.set_datatype(ctx.format as u8));
// Select the algorithm.
#[cfg(hash_v1)]
if ctx.algo == Algorithm::MD5 {
T::regs().cr().modify(|w| w.set_algo(true));
}
#[cfg(hash_v2)]
{
// Select the algorithm.
let mut algo0 = false;
let mut algo1 = false;
if ctx.algo == Algorithm::MD5 || ctx.algo == Algorithm::SHA256 {
algo0 = true;
}
if ctx.algo == Algorithm::SHA224 || ctx.algo == Algorithm::SHA256 {
algo1 = true;
}
T::regs().cr().modify(|w| w.set_algo0(algo0));
T::regs().cr().modify(|w| w.set_algo1(algo1));
}
#[cfg(any(hash_v3, hash_v4))]
T::regs().cr().modify(|w| w.set_algo(ctx.algo as u8));
T::regs().cr().modify(|w| w.set_init(true));
// Store and return the state of the peripheral.
self.store_context(&mut ctx).await;
ctx
@ -174,7 +228,7 @@ impl<'d, T: Instance> Hash<'d, T> {
ilen_remaining -= copy_len;
input_start += copy_len;
}
self.accumulate(&ctx.buffer[0..64]);
self.accumulate(&ctx.buffer[0..DIGEST_BLOCK_SIZE]);
ctx.buflen = 0;
// Move any extra data to the now-empty buffer.
@ -229,7 +283,18 @@ impl<'d, T: Instance> Hash<'d, T> {
// Return the digest.
let digest_words = match ctx.algo {
Algorithm::SHA1 => 5,
#[cfg(any(hash_v1, hash_v4))]
Algorithm::MD5 => 4,
Algorithm::SHA224 => 7,
Algorithm::SHA256 => 8,
#[cfg(hash_v3)]
Algorithm::SHA384 => 12,
#[cfg(hash_v3)]
Algorithm::SHA512_224 => 7,
#[cfg(hash_v3)]
Algorithm::SHA512_256 => 8,
#[cfg(hash_v3)]
Algorithm::SHA512 => 16,
};
let mut i = 0;
while i < digest_words {

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@ -111,7 +111,11 @@ pub struct Hash<'d, T: Instance, D: Dma<T>> {
impl<'d, T: Instance, D: Dma<T>> Hash<'d, T, D> {
/// Instantiates, resets, and enables the HASH peripheral.
pub fn new(peripheral: impl Peripheral<P = T> + 'd, dma: impl Peripheral<P = D> + 'd) -> Self {
pub fn new(
peripheral: impl Peripheral<P = T> + 'd,
dma: impl Peripheral<P = D> + 'd,
_irq: impl interrupt::typelevel::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
) -> Self {
HASH::enable_and_reset();
into_ref!(peripheral, dma);
let instance = Self {

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@ -1,6 +1,6 @@
[target.'cfg(all(target_arch = "arm", target_os = "none"))']
# replace STM32F429ZITx with your chip as listed in `probe-rs chip list`
runner = "probe-rs run --chip STM32F767ZITx"
runner = "probe-rs run --chip STM32F777ZITx"
[build]
target = "thumbv7em-none-eabihf"

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@ -3,12 +3,15 @@
use defmt::info;
use embassy_executor::Spawner;
use embassy_stm32::hash::*;
use embassy_stm32::Config;
use embassy_stm32::{bind_interrupts, Config, hash, hash::*, peripherals};
use embassy_time::Instant;
use sha2::{Digest, Sha256};
use {defmt_rtt as _, panic_probe as _};
bind_interrupts!(struct Irqs {
HASH_RNG => hash::InterruptHandler<peripherals::HASH>;
});
#[embassy_executor::main]
async fn main(_spawner: Spawner) -> ! {
let config = Config::default();
@ -17,7 +20,7 @@ async fn main(_spawner: Spawner) -> ! {
let test_1: &[u8] = b"as;dfhaslfhas;oifvnasd;nifvnhasd;nifvhndlkfghsd;nvfnahssdfgsdafgsasdfasdfasdfasdfasdfghjklmnbvcalskdjghalskdjgfbaslkdjfgbalskdjgbalskdjbdfhsdfhsfghsfghfgh";
let test_2: &[u8] = b"fdhalksdjfhlasdjkfhalskdjfhgal;skdjfgalskdhfjgalskdjfglafgadfgdfgdafgaadsfgfgdfgadrgsyfthxfgjfhklhjkfgukhulkvhlvhukgfhfsrghzdhxyfufynufyuszeradrtydyytserr";
let mut hw_hasher = Hash::new(p.HASH, p.DMA2_CH7);
let mut hw_hasher = Hash::new(p.HASH, p.DMA2_CH7, Irqs);
let hw_start_time = Instant::now();