diff options
Diffstat (limited to 'src/kernel/arch/i386/interrupts/isr_stub.s')
| -rw-r--r-- | src/kernel/arch/i386/interrupts/isr_stub.s | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/kernel/arch/i386/interrupts/isr_stub.s b/src/kernel/arch/i386/interrupts/isr_stub.s new file mode 100644 index 0000000..a8a97b3 --- /dev/null +++ b/src/kernel/arch/i386/interrupts/isr_stub.s @@ -0,0 +1,25 @@ +.section .text + +.global _isr_stubs +_isr_stubs: + +.rept 256 + .align 8 + pushal + call _isr_stage2 +.endr + +_isr_stage2: + cld + + // convert the return address into the vector nr + pop %eax + add $-_isr_stubs, %eax + shr $3, %eax + push %eax + + call isr_stage3 + add $4, %esp + + popal + iret |