diff options
Diffstat (limited to 'Kernel/Arch/i386/Interrupts.h')
| -rw-r--r-- | Kernel/Arch/i386/Interrupts.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Kernel/Arch/i386/Interrupts.h b/Kernel/Arch/i386/Interrupts.h new file mode 100644 index 0000000000..b45483b1b3 --- /dev/null +++ b/Kernel/Arch/i386/Interrupts.h @@ -0,0 +1,36 @@ +#pragma once + +#include <AK/Types.h> + +extern "C" void interrupt_common_asm_entry(); + +#define GENERATE_GENERIC_INTERRUPT_HANDLER_ASM_ENTRY(interrupt_vector, isr_number) \ + extern "C" void interrupt_##interrupt_vector##_asm_entry(); \ + asm(".globl interrupt_" #interrupt_vector "_asm_entry\n" \ + "interrupt_" #interrupt_vector "_asm_entry:\n" \ + " pushw $" #isr_number "\n" \ + " pushw $0\n" \ + " jmp interrupt_common_asm_entry\n"); + +asm( + ".globl interrupt_common_asm_entry\n" + "interrupt_common_asm_entry: \n" + " pusha\n" + " pushl %ds\n" + " pushl %es\n" + " pushl %fs\n" + " pushl %gs\n" + " pushl %ss\n" + " mov $0x10, %ax\n" + " mov %ax, %ds\n" + " mov %ax, %es\n" + " cld\n" + " call handle_interrupt\n" + " add $0x4, %esp\n" // "popl %ss" + " popl %gs\n" + " popl %fs\n" + " popl %es\n" + " popl %ds\n" + " popa\n" + " add $0x4, %esp\n" + " iret\n"); |