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signals: handle SIGBUS, SIGSEGV, SIGILL etc

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Matheus
2024-05-29 11:06:15 -03:00
parent d689766a44
commit c81bdac897
4 changed files with 33 additions and 4 deletions
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kernel-src/arch/x86-64/mmu.c
+9 -1
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@@ -278,10 +278,17 @@ static void pfisr(isr_t *self, context_t *ctx) {
if (ARCH_CONTEXT_ISUSER(ctx))
signal_signalthread(_cpu()->thread, SIGSEGV, true);
else
_panic("Page fault", ctx);
_panic("Page Fault", ctx);
}
}
static void gpfisr(isr_t *self, context_t *ctx) {
if (ARCH_CONTEXT_ISUSER(ctx))
signal_signalthread(_cpu()->thread, SIGSEGV, true);
else
_panic("General Protection Fault", ctx);
}
void arch_mmu_init() {
template = pmm_allocpage(PMM_SECTION_DEFAULT);
__assert(template);
@@ -326,6 +333,7 @@ void arch_mmu_init() {
void arch_mmu_apswitch() {
arch_mmu_switch(FROM_HHDM(template));
interrupt_register(13, gpfisr, NULL, IPL_IGNORE);
interrupt_register(14, pfisr, NULL, IPL_IGNORE);
interrupt_register(0xfe, arch_mmu_tlbipi, ARCH_EOI, IPL_IGNORE);
}