From 6a4d8719173b86800e918a6ba551fc7a6a90bca1 Mon Sep 17 00:00:00 2001 From: pca006132 Date: Tue, 4 Aug 2020 14:14:25 +0800 Subject: [PATCH] runtime/irq: use spinlock functions instead of asm. Closes #81 --- src/Cargo.lock | 10 +++++----- src/runtime/src/irq.rs | 5 +++-- 2 files changed, 8 insertions(+), 7 deletions(-) diff --git a/src/Cargo.lock b/src/Cargo.lock index 41f3f78..02f7696 100644 --- a/src/Cargo.lock +++ b/src/Cargo.lock @@ -201,7 +201,7 @@ dependencies = [ [[package]] name = "libasync" version = "0.0.0" -source = "git+https://git.m-labs.hk/M-Labs/zc706.git#b65606f2d02fab273645835a102048b23c3394f7" +source = "git+https://git.m-labs.hk/M-Labs/zc706.git#25c6d5eeaa6243724700e975e3935a5965c09a27" dependencies = [ "embedded-hal", "libcortex_a9", @@ -213,7 +213,7 @@ dependencies = [ [[package]] name = "libboard_zynq" version = "0.0.0" -source = "git+https://git.m-labs.hk/M-Labs/zc706.git#b65606f2d02fab273645835a102048b23c3394f7" +source = "git+https://git.m-labs.hk/M-Labs/zc706.git#25c6d5eeaa6243724700e975e3935a5965c09a27" dependencies = [ "bit_field", "embedded-hal", @@ -237,7 +237,7 @@ dependencies = [ [[package]] name = "libcortex_a9" version = "0.0.0" -source = "git+https://git.m-labs.hk/M-Labs/zc706.git#b65606f2d02fab273645835a102048b23c3394f7" +source = "git+https://git.m-labs.hk/M-Labs/zc706.git#25c6d5eeaa6243724700e975e3935a5965c09a27" dependencies = [ "bit_field", "libregister", @@ -252,7 +252,7 @@ checksum = "c7d73b3f436185384286bd8098d17ec07c9a7d2388a6599f824d8502b529702a" [[package]] name = "libregister" version = "0.0.0" -source = "git+https://git.m-labs.hk/M-Labs/zc706.git#b65606f2d02fab273645835a102048b23c3394f7" +source = "git+https://git.m-labs.hk/M-Labs/zc706.git#25c6d5eeaa6243724700e975e3935a5965c09a27" dependencies = [ "bit_field", "vcell", @@ -262,7 +262,7 @@ dependencies = [ [[package]] name = "libsupport_zynq" version = "0.0.0" -source = "git+https://git.m-labs.hk/M-Labs/zc706.git#b65606f2d02fab273645835a102048b23c3394f7" +source = "git+https://git.m-labs.hk/M-Labs/zc706.git#25c6d5eeaa6243724700e975e3935a5965c09a27" dependencies = [ "compiler_builtins", "libboard_zynq", diff --git a/src/runtime/src/irq.rs b/src/runtime/src/irq.rs index 972604f..051456d 100644 --- a/src/runtime/src/irq.rs +++ b/src/runtime/src/irq.rs @@ -2,6 +2,7 @@ use libboard_zynq::{gic, mpcore, println, stdio}; use libcortex_a9::{ asm, regs::{MPIDR, SP}, + spin_lock_yield, notify_spin_lock }; use libregister::{RegisterR, RegisterW}; use core::sync::atomic::{AtomicBool, Ordering}; @@ -27,7 +28,7 @@ pub unsafe extern "C" fn IRQ() { SP.write(&mut __stack1_start as *mut _ as u32); asm::enable_irq(); CORE1_RESTART.store(false, Ordering::Relaxed); - asm::sev(); + notify_spin_lock(); main_core1(); } } @@ -41,6 +42,6 @@ pub fn restart_core1() { CORE1_RESTART.store(true, Ordering::Relaxed); interrupt_controller.send_sgi(gic::InterruptId(0), gic::CPUCore::Core1.into()); while CORE1_RESTART.load(Ordering::Relaxed) { - asm::wfe(); + spin_lock_yield(); } }