mirrors/Astral
1
0
Fork 0
mirror of https://github.com/Mathewnd/Astral.git synced 2026-11-01 06:58:22 +00:00
Code Issues Packages Projects Releases Wiki Activity

apic: fix ipi race

Browse Source
This commit is contained in:
Matheus
2025-08-31 14:17:40 -03:00
parent 81c7d77ad0
commit 8ac79edd6b
1 changed files with 2 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
kernel-src/arch/x86-64/apic.c
+2
View File
@@ -244,9 +244,11 @@ void arch_apic_timerinit() {
INIT_ROUTINE_DEFINE(arch_timer, INIT_ROUTINE_FLAGS_NONE, arch_apic_timerinit, timekeeper_early); INIT_ROUTINE_DEFINE(arch_timer, INIT_ROUTINE_FLAGS_NONE, arch_apic_timerinit, timekeeper_early);
void arch_apic_sendipi(uint8_t cpu, uint8_t vec, uint8_t dest, uint8_t mode, uint8_t level) { void arch_apic_sendipi(uint8_t cpu, uint8_t vec, uint8_t dest, uint8_t mode, uint8_t level) {
bool status = interrupt_set(false);
writelapic(APIC_REG_ICR_HI, (uint32_t)cpu << 24); writelapic(APIC_REG_ICR_HI, (uint32_t)cpu << 24);
writelapic(APIC_REG_ICR_LO, vec | (level << 8) | (mode << 11) | (dest << 18) | (1 << 14)); writelapic(APIC_REG_ICR_LO, vec | (level << 8) | (mode << 11) | (dest << 18) | (1 << 14));
while (readlapic(APIC_REG_ICR_LO) & APIC_REG_ICR_LO_STATUS) CPU_PAUSE(); while (readlapic(APIC_REG_ICR_LO) & APIC_REG_ICR_LO_STATUS) CPU_PAUSE();
interrupt_set(status);
} }
void arch_apic_init() { void arch_apic_init() {