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Interrupts: ensure is_in_handler is true if we know we are in a handler

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apio 2022-09-21 21:03:49 +02:00
parent 4401b31440
commit ee49caa6d3
2 changed files with 6 additions and 0 deletions
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1
kernel/include/interrupts/Interrupts.h
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@ -7,5 +7,6 @@ namespace Interrupts
void disable(); void disable();
bool is_in_handler(); bool is_in_handler();
void ensure_handler();
void return_from_handler(Context* context); void return_from_handler(Context* context);
} }

5
kernel/src/interrupts/Interrupts.cpp
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@ -16,6 +16,11 @@ bool Interrupts::is_in_handler()
return __is_in_interrupt_handler; return __is_in_interrupt_handler;
} }
void Interrupts::ensure_handler()
{
__is_in_interrupt_handler = true;
}
void Interrupts::return_from_handler(Context* context) void Interrupts::return_from_handler(Context* context)
{ {
asm volatile("mov %0, %%rsp\n" asm volatile("mov %0, %%rsp\n"