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cpu: handle SIGFPE

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Matheus
2024-08-21 23:48:54 -03:00
parent bc23acac35
commit 679aa1a69d
1 changed files with 18 additions and 0 deletions
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kernel-src/arch/x86-64/cpu.c
+18
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@@ -23,6 +23,22 @@ static void div0isr(isr_t *self, context_t *ctx) {
}
}
static void simdisr(isr_t *self, context_t *ctx) {
if (ARCH_CONTEXT_ISUSER(ctx)) {
signal_signalthread(_cpu()->thread, SIGFPE, true);
} else {
_panic("SIMD Exception", ctx);
}
}
static void x87isr(isr_t *self, context_t *ctx) {
if (ARCH_CONTEXT_ISUSER(ctx)) {
signal_signalthread(_cpu()->thread, SIGFPE, true);
} else {
_panic("x87 Floating-Point Exception", ctx);
}
}
void cpu_initstate() {
arch_apic_initap();
@@ -67,4 +83,6 @@ void cpu_initstate() {
interrupt_register(0, div0isr, NULL, IPL_IGNORE);
interrupt_register(6, illisr, NULL, IPL_IGNORE);
interrupt_register(16, x87isr, NULL, IPL_IGNORE);
interrupt_register(19, simdisr, NULL, IPL_IGNORE);
}