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| author | Freya Murphy <freya@freyacat.org> | 2025-05-05 09:54:48 -0400 |
|---|---|---|
| committer | Freya Murphy <freya@freyacat.org> | 2025-05-05 09:58:20 -0400 |
| commit | 592c6992c7ea0c2e4cbea79fadb1c845f2fc050e (patch) | |
| tree | 5d98b664749b67eb20d7fc279ff36bcf44843f21 /kernel/cpu | |
| parent | off by one (diff) | |
| download | comus-592c6992c7ea0c2e4cbea79fadb1c845f2fc050e.tar.gz comus-592c6992c7ea0c2e4cbea79fadb1c845f2fc050e.tar.bz2 comus-592c6992c7ea0c2e4cbea79fadb1c845f2fc050e.zip | |
pc spkr
Diffstat (limited to 'kernel/cpu')
| -rw-r--r-- | kernel/cpu/idt.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/kernel/cpu/idt.c b/kernel/cpu/idt.c index 7cbbb65..50e15e0 100644 --- a/kernel/cpu/idt.c +++ b/kernel/cpu/idt.c @@ -1,3 +1,5 @@ +#include "comus/drivers/spkr.h" +#include "lib/klib.h" #include <lib.h> #include <comus/memory.h> #include <comus/asm.h> @@ -64,10 +66,11 @@ void idt_init(void) uint64_t isr = (uint64_t)isr_stub_table[vector]; // interrupts before 0x20 are for cpu exceptions + uint64_t gate_type = (isr < 0x20) ? GATE_64BIT_TRAP : GATE_64BIT_INT; entry->kernel_cs = 0x08; // offset of 1 into GDT entry->ist = 0; - entry->flags = PRESENT | RING0 | GATE_64BIT_INT; + entry->flags = PRESENT | RING0 | gate_type; entry->isr_low = isr & 0xffff; entry->isr_mid = (isr >> 16) & 0xffff; entry->isr_high = (isr >> 32) & 0xffffffff; @@ -148,9 +151,7 @@ __attribute__((noreturn)) void idt_exception_handler(uint64_t exception, log_backtrace_ex((void *)state->rip, (void *)state->rbp); - while (1) { - halt(); - } + fatal_loop(); } void isr_save(struct cpu_regs *regs) |