diff options
Diffstat (limited to 'kernel/l0/kmain.c')
| -rw-r--r-- | kernel/l0/kmain.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/l0/kmain.c b/kernel/l0/kmain.c index 854a2b7..7665cb0 100644 --- a/kernel/l0/kmain.c +++ b/kernel/l0/kmain.c @@ -5,6 +5,11 @@ #include <gdt.h> #include <idt.h> + +void breakpoint_handler(registers_t *regs) { + dbg_printf("Breakpoint! (int3)\n"); + BOCHS_BREAKPOINT; +} void kmain(struct multiboot_info_t *mbd, int32_t mb_magic) { dbglog_setup(); @@ -17,6 +22,7 @@ void kmain(struct multiboot_info_t *mbd, int32_t mb_magic) { gdt_init(); dbg_printf("GDT set up.\n"); idt_init(); dbg_printf("IDT set up.\n"); + idt_set_ex_handler(EX_BREAKPOINT, breakpoint_handler); asm volatile("int $0x3"); |