Luna/kernel/src/interrupts/Interrupts.cpp

33 lines
616 B
C++
Raw Normal View History

2022-09-05 16:13:51 +02:00
#include "interrupts/Interrupts.h"
#include "misc/utils.h"
#include "trace/StackTracer.h"
2022-09-05 16:13:51 +02:00
void Interrupts::disable()
{
asm volatile("cli");
}
void Interrupts::enable()
{
asm volatile("sti");
}
extern int _asm_interrupt_exit;
bool Interrupts::is_in_handler()
{
return stack_trace_contains((uintptr_t)&_asm_interrupt_exit);
}
void Interrupts::return_from_handler(Context* context)
{
asm volatile("mov %0, %%rsp\n"
"jmp _asm_interrupt_exit"
:
: "r"(context));
}
bool Interrupts::are_enabled()
{
return (Utilities::get_rflags() & 0x200) > 0;
2022-09-05 16:13:51 +02:00
}