mirrors/ladybird
0
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2025-09-08 10:36:02 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 10

Kernel: Don't byteswap the ISR number on interrupt entry

Browse source 
Let's just add the padding before we jump to interrupt_common_asm_entry.
This commit is contained in:
Gunnar Beutner 2021-07-01 23:02:21 +02:00 • committed by Andreas Kling
commit db334b50d0
Notes: sideshowbarker 2024-07-18 11:09:07 +09:00
2 changed files with 9 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

9
Kernel/Arch/x86/Interrupts.h
View file

@ -16,6 +16,13 @@ class GenericInterruptHandeler;
extern "C" void interrupt_common_asm_entry();
#if ARCH(I386)
# define INTERRUPT_HANDLER_PUSH_PADDING
#else
# define INTERRUPT_HANDLER_PUSH_PADDING "pushw $0\npushw $0\n"
#endif
// clang-format off
#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)); \
@ -23,10 +30,12 @@ extern "C" void interrupt_common_asm_entry();
{ \
asm(".globl interrupt_" #isr_number "_asm_entry\n" \
"interrupt_" #isr_number "_asm_entry:\n" \
INTERRUPT_HANDLER_PUSH_PADDING \
" pushw $" #isr_number "\n" \
" pushw $0\n" \
" jmp interrupt_common_asm_entry\n"); \
}
// clang-format on
void register_interrupt_handler(u8 number, void (*handler)());
void register_user_callable_interrupt_handler(u8 number, void (*handler)());