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Fix restoring of CPENABLE #2315
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,179 @@ | ||
| //! Cp0Disable exception regression test | ||
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| //% CHIPS: esp32 esp32s2 esp32s3 | ||
| //% FEATURES: esp-wifi esp-alloc | ||
| //% FEATURES: esp-wifi esp-alloc xtensa-lx-rt/float-save-restore | ||
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| #![no_std] | ||
| #![no_main] | ||
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| use core::cell::RefCell; | ||
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| use critical_section::Mutex; | ||
| use esp_hal::{ | ||
| delay::Delay, | ||
| interrupt::software::{SoftwareInterrupt, SoftwareInterruptControl}, | ||
| peripherals::Peripherals, | ||
| prelude::*, | ||
| rng::Rng, | ||
| timer::timg::TimerGroup, | ||
| }; | ||
| use esp_wifi::{init, EspWifiInitFor}; | ||
| use hil_test as _; | ||
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| #[inline(never)] | ||
| fn run_float_calc(x: f32) -> f32 { | ||
| let result = core::hint::black_box(x) * 2.0; | ||
| defmt::info!("{}", defmt::Display2Format(&result)); | ||
| result | ||
| } | ||
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| static SWINT0: Mutex<RefCell<Option<SoftwareInterrupt<0>>>> = Mutex::new(RefCell::new(None)); | ||
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| #[handler] | ||
| fn wait() { | ||
| // Ensure esp-wifi interrupts this handler. | ||
| Delay::new().delay_millis(100); | ||
| critical_section::with(|cs| { | ||
| SWINT0.borrow_ref(cs).as_ref().unwrap().reset(); | ||
| }); | ||
| } | ||
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| cfg_if::cfg_if! { | ||
| if #[cfg(multi_core)] { | ||
| use core::sync::atomic::{AtomicBool, Ordering}; | ||
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| use esp_hal::cpu_control::CpuControl; | ||
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| static DONE: AtomicBool = AtomicBool::new(false); | ||
| static mut APP_CORE_STACK: esp_hal::cpu_control::Stack<8192> = | ||
| esp_hal::cpu_control::Stack::new(); | ||
| } | ||
| } | ||
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| #[cfg(test)] | ||
| #[embedded_test::tests] | ||
| mod tests { | ||
| use super::*; | ||
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| #[init] | ||
| fn test_init() -> Peripherals { | ||
| esp_alloc::heap_allocator!(72 * 1024); | ||
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| esp_hal::init({ | ||
| let mut config = esp_hal::Config::default(); | ||
| config.cpu_clock = CpuClock::max(); | ||
| config | ||
| }) | ||
| } | ||
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| #[test] | ||
| fn fpu_is_enabled() { | ||
| let result = super::run_float_calc(2.0); | ||
| assert_eq!(result, 4.0); | ||
| } | ||
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| #[cfg(multi_core)] | ||
| #[test] | ||
| #[timeout(3)] | ||
| fn fpu_is_enabled_on_core1(peripherals: Peripherals) { | ||
| let mut cpu_control = CpuControl::new(peripherals.CPU_CTRL); | ||
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| let _guard = cpu_control | ||
| .start_app_core( | ||
| unsafe { &mut *core::ptr::addr_of_mut!(APP_CORE_STACK) }, | ||
| || { | ||
| let result = super::run_float_calc(2.0); | ||
| assert_eq!(result, 4.0); | ||
| DONE.store(true, Ordering::Relaxed); | ||
| loop {} | ||
| }, | ||
| ) | ||
| .unwrap(); | ||
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| core::mem::forget(_guard); | ||
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| while !DONE.load(Ordering::Relaxed) {} | ||
| let result = super::run_float_calc(2.0); | ||
| assert_eq!(result, 4.0); | ||
| } | ||
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| #[test] | ||
| #[timeout(3)] | ||
| fn fpu_stays_enabled_with_wifi(peripherals: Peripherals) { | ||
| let timg0 = TimerGroup::new(peripherals.TIMG0); | ||
| let _init = init( | ||
| EspWifiInitFor::Wifi, | ||
| timg0.timer1, | ||
| Rng::new(peripherals.RNG), | ||
| peripherals.RADIO_CLK, | ||
| ) | ||
| .unwrap(); | ||
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| let mut sw_ints = SoftwareInterruptControl::new(peripherals.SW_INTERRUPT); | ||
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| critical_section::with(|cs| { | ||
| sw_ints.software_interrupt0.set_interrupt_handler(wait); | ||
| SWINT0 | ||
| .borrow_ref_mut(cs) | ||
| .replace(sw_ints.software_interrupt0); | ||
| // Fire a low-priority interrupt to ensure the FPU is disabled while | ||
| // esp-wifi switches tasks | ||
| SWINT0.borrow_ref(cs).as_ref().unwrap().raise(); | ||
| }); | ||
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| Delay::new().delay_millis(100); | ||
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| let result = super::run_float_calc(2.0); | ||
| assert_eq!(result, 4.0); | ||
| } | ||
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| #[cfg(multi_core)] | ||
| #[test] | ||
| #[timeout(3)] | ||
| fn fpu_stays_enabled_with_wifi_on_core1(peripherals: Peripherals) { | ||
| let mut cpu_control = CpuControl::new(peripherals.CPU_CTRL); | ||
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| let _guard = cpu_control | ||
| .start_app_core( | ||
| unsafe { &mut *core::ptr::addr_of_mut!(APP_CORE_STACK) }, | ||
| move || { | ||
| let timg0 = TimerGroup::new(peripherals.TIMG0); | ||
| let _init = init( | ||
| EspWifiInitFor::Wifi, | ||
| timg0.timer1, | ||
| Rng::new(peripherals.RNG), | ||
| peripherals.RADIO_CLK, | ||
| ) | ||
| .unwrap(); | ||
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| let mut sw_ints = SoftwareInterruptControl::new(peripherals.SW_INTERRUPT); | ||
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| critical_section::with(|cs| { | ||
| sw_ints.software_interrupt0.set_interrupt_handler(wait); | ||
| SWINT0 | ||
| .borrow_ref_mut(cs) | ||
| .replace(sw_ints.software_interrupt0); | ||
| // Fire a low-priority interrupt to ensure the FPU is disabled while | ||
| // esp-wifi switches tasks | ||
| SWINT0.borrow_ref(cs).as_ref().unwrap().raise(); | ||
| }); | ||
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| Delay::new().delay_millis(100); | ||
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| let result = super::run_float_calc(2.0); | ||
| assert_eq!(result, 4.0); | ||
| DONE.store(true, Ordering::Relaxed); | ||
| loop {} | ||
| }, | ||
| ) | ||
| .unwrap(); | ||
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| core::mem::forget(_guard); | ||
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| while !DONE.load(Ordering::Relaxed) {} | ||
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| let result = super::run_float_calc(2.0); | ||
| assert_eq!(result, 4.0); | ||
| } | ||
| } | ||
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dep:meant there was no implicitesp-allocfeature, which I need in the new test.