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Kernel: Allow building the kernel with -O0

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Unfortunately the kernel doesn't run with -O0 but at least it can be
successfully built with this change.
This commit is contained in:
Gunnar Beutner 2021-05-28 16:08:51 +02:00 • committed by Linus Groh
parent b06d01f040
commit 4fca9ee060
2 changed files with 48 additions and 40 deletions
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18
Kernel/Arch/x86/Interrupts.h
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@ -15,13 +15,17 @@ class GenericInterruptHandeler;
extern "C" void interrupt_common_asm_entry();
#define GENERATE_GENERIC_INTERRUPT_HANDLER_ASM_ENTRY(isr_number) \
extern "C" void interrupt_##isr_number##_asm_entry(); \
asm(".globl interrupt_" #isr_number "_asm_entry\n" \
"interrupt_" #isr_number "_asm_entry:\n" \
" pushw $" #isr_number "\n" \
" pushw $0\n" \
" jmp interrupt_common_asm_entry\n");
#define GENERATE_GENERIC_INTERRUPT_HANDLER_ASM_ENTRY(isr_number) \
extern "C" void interrupt_##isr_number##_asm_entry(); \
static void interrupt_##isr_number##_asm_entry_dummy() __attribute__((used)); \
NEVER_INLINE void interrupt_##isr_number##_asm_entry_dummy() \
{ \
asm(".globl interrupt_" #isr_number "_asm_entry\n" \
"interrupt_" #isr_number "_asm_entry:\n" \
" pushw $" #isr_number "\n" \
" pushw $0\n" \
" jmp interrupt_common_asm_entry\n"); \
}
void register_interrupt_handler(u8 number, void (*handler)());
void register_user_callable_interrupt_handler(u8 number, void (*handler)());