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FEAT: Verbose boot

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boreddevnl
2026-04-13 12:17:39 +02:00
parent a27b2c6423
commit e4603792b6
16 changed files with 296 additions and 87 deletions
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7
src/sys/smp.c
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@@ -37,10 +37,13 @@ static uint32_t read_lapic_id(void) {
}
uint32_t smp_this_cpu_id(void) {
if (total_cpus <= 1) return 0;
if (total_cpus <= 1 || !cpu_states) return 0;
// Use GS-based self-pointer to get the structure first
cpu_state_t *state;
cpu_state_t *state = NULL;
// Safely check GS:0. If GS is not set or base is 0, this should be handled carefully.
// In BoredOS, if GS is not set, this might still fault depending on address space.
// However, the cpu_states check above covers the most likely early-boot failure.
asm volatile("movq %%gs:0, %0" : "=r"(state) : : "memory");
if (state) return state->cpu_id;