diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/kernel/arch/i386/interrupts/isr_stub.s | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/kernel/arch/i386/interrupts/isr_stub.s b/src/kernel/arch/i386/interrupts/isr_stub.s index a8a97b3..614dc7f 100644 --- a/src/kernel/arch/i386/interrupts/isr_stub.s +++ b/src/kernel/arch/i386/interrupts/isr_stub.s @@ -16,10 +16,19 @@ _isr_stage2: pop %eax add $-_isr_stubs, %eax shr $3, %eax - push %eax + // disable paging, if present + // it's done here so the stuff on the stack is in the right order + mov %cr0, %ebx + push %ebx + and $0x7FFFFFFF, %ebx + mov %ebx, %cr0 + + push %eax // push the vector nr call isr_stage3 - add $4, %esp + add $4, %esp // "pop" the vector nr + pop %eax // restore old cr0 + mov %eax, %cr0 popal iret |