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stm32: avoid creating many tiny critical sections in init.

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Saves 292 bytes on stm32f0 bilnky with max optimizations (from 3132 to 2840).
This commit is contained in:
Dario Nieuwenhuis
2023-10-12 00:34:47 +02:00
parent 66e399b5c6
commit 97ca0e77bf
14 changed files with 183 additions and 149 deletions
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4
embassy-stm32/src/dma/bdma.rs
View File

@ -77,10 +77,10 @@ impl State {
static STATE: State = State::new();
/// safety: must be called only once
pub(crate) unsafe fn init(irq_priority: Priority) {
pub(crate) unsafe fn init(cs: critical_section::CriticalSection, irq_priority: Priority) {
foreach_interrupt! {
($peri:ident, bdma, $block:ident, $signal_name:ident, $irq:ident) => {
crate::interrupt::typelevel::$irq::set_priority(irq_priority);
crate::interrupt::typelevel::$irq::set_priority_with_cs(cs, irq_priority);
crate::interrupt::typelevel::$irq::enable();
};
}

4
embassy-stm32/src/dma/dma.rs
View File

@ -154,10 +154,10 @@ impl State {
static STATE: State = State::new();
/// safety: must be called only once
pub(crate) unsafe fn init(irq_priority: Priority) {
pub(crate) unsafe fn init(cs: critical_section::CriticalSection, irq_priority: Priority) {
foreach_interrupt! {
($peri:ident, dma, $block:ident, $signal_name:ident, $irq:ident) => {
interrupt::typelevel::$irq::set_priority(irq_priority);
interrupt::typelevel::$irq::set_priority_with_cs(cs, irq_priority);
interrupt::typelevel::$irq::enable();
};
}

2
embassy-stm32/src/dma/dmamux.rs
View File

@ -47,6 +47,6 @@ foreach_dma_channel! {
}
/// safety: must be called only once
pub(crate) unsafe fn init() {
pub(crate) unsafe fn init(_cs: critical_section::CriticalSection) {
crate::_generated::init_dmamux();
}

4
embassy-stm32/src/dma/gpdma.rs
View File

@ -53,10 +53,10 @@ impl State {
static STATE: State = State::new();
/// safety: must be called only once
pub(crate) unsafe fn init(irq_priority: Priority) {
pub(crate) unsafe fn init(cs: critical_section::CriticalSection, irq_priority: Priority) {
foreach_interrupt! {
($peri:ident, gpdma, $block:ident, $signal_name:ident, $irq:ident) => {
crate::interrupt::typelevel::$irq::set_priority(irq_priority);
crate::interrupt::typelevel::$irq::set_priority_with_cs(cs, irq_priority);
crate::interrupt::typelevel::$irq::enable();
};
}

9
embassy-stm32/src/dma/mod.rs
View File

@ -56,16 +56,17 @@ pub(crate) fn slice_ptr_parts_mut<T>(slice: *mut [T]) -> (usize, usize) {
// safety: must be called only once at startup
pub(crate) unsafe fn init(
cs: critical_section::CriticalSection,
#[cfg(bdma)] bdma_priority: Priority,
#[cfg(dma)] dma_priority: Priority,
#[cfg(gpdma)] gpdma_priority: Priority,
) {
#[cfg(bdma)]
bdma::init(bdma_priority);
bdma::init(cs, bdma_priority);
#[cfg(dma)]
dma::init(dma_priority);
dma::init(cs, dma_priority);
#[cfg(gpdma)]
gpdma::init(gpdma_priority);
gpdma::init(cs, gpdma_priority);
#[cfg(dmamux)]
dmamux::init();
dmamux::init(cs);
}