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Kernel/aarch64: Implement Processor::{clear,restore}_critical()

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This commit is contained in:
Timon Kruiper 2022-12-22 13:39:47 +01:00 committed by Andrew Kaster
parent 993b7495ba
commit fbfe669f6d
Notes: sideshowbarker 2024-07-17 07:14:09 +09:00 
Author: https://github.com/FireFox317
Commit: https://github.com/SerenityOS/serenity/commit/fbfe669f6d
Pull-request: https://github.com/SerenityOS/serenity/pull/16690
Reviewed-by: https://github.com/ADKaster ✅
Reviewed-by: https://github.com/nico ✅
2 changed files with 9 additions and 3 deletions
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9
Kernel/Arch/aarch64/Processor.cpp
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@ -11,6 +11,7 @@
#include <Kernel/Arch/TrapFrame.h>
#include <Kernel/Arch/aarch64/ASM_wrapper.h>
#include <Kernel/Arch/aarch64/CPU.h>
#include <Kernel/InterruptDisabler.h>
#include <Kernel/Scheduler.h>
#include <Kernel/Thread.h>
#include <Kernel/Time/TimeManagement.h>
@ -60,7 +61,13 @@ void Processor::flush_tlb(Memory::PageDirectory const*, VirtualAddress vaddr, si
u32 Processor::clear_critical()
{
TODO_AARCH64();
InterruptDisabler disabler;
auto prev_critical = in_critical();
auto& proc = current();
proc.m_in_critical = 0;
if (proc.m_in_irq == 0)
proc.check_invoke_scheduler();
return prev_critical;
}
u32 Processor::smp_wake_n_idle_processors(u32 wake_count)

3
Kernel/Arch/aarch64/Processor.h
View File

@ -192,8 +192,7 @@ public:
ALWAYS_INLINE static void restore_critical(u32 prev_critical)
{
(void)prev_critical;
TODO_AARCH64();
current().m_in_critical = prev_critical;
}
ALWAYS_INLINE static u32 in_critical()