diff options
| -rw-r--r-- | kc/core/cpu/cpu.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/kc/core/cpu/cpu.c b/kc/core/cpu/cpu.c index 49a88be..27ee827 100644 --- a/kc/core/cpu/cpu.c +++ b/kc/core/cpu/cpu.c @@ -270,16 +270,21 @@ void isr_install(int vec, void (*isr)(void), int trap, int ist) type = TRAP64_GATE; } - set_idt(vec, CODE_SUPER_SEG_INDEX << 3, (uint64_t)isr, type); - if (ist) + set_idt(vec, CODE_SUPER_SEG_INDEX << 3, (uintptr_t)isr, type); + // an IST greater than 7 is invalid + if (ist && ist < 7) { set_ist(vec, ist); } + else + { + panic(GENERAL_PANIC); + } } void ist_install(int ist, void *stack) { - tss.ist[ist] = (uint64_t)stack; + tss.ist[ist] = (uintptr_t)stack; } void int_enable(void) |