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Merge pull request #59 from N00byEdge/hyperv-ipi

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Set the 'level' flag when sending Init and Startup IPIs
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mint 2020-12-28 13:49:43 +01:00 committed by GitHub
commit a3a418b768
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1 changed files with 4 additions and 4 deletions
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8
stage2/sys/smp.c
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@ -69,20 +69,20 @@ static bool smp_start_ap(uint32_t lapic_id, struct gdtr *gdtr,
// Send the INIT IPI
if (x2apic) {
x2apic_write(LAPIC_REG_ICR0, ((uint64_t)lapic_id << 32) | 0x500);
x2apic_write(LAPIC_REG_ICR0, ((uint64_t)lapic_id << 32) | 0x4500);
} else {
lapic_write(LAPIC_REG_ICR1, lapic_id << 24);
lapic_write(LAPIC_REG_ICR0, 0x500);
lapic_write(LAPIC_REG_ICR0, 0x4500);
}
delay(5000);
// Send the Startup IPI
if (x2apic) {
x2apic_write(LAPIC_REG_ICR0, ((uint64_t)lapic_id << 32) |
((size_t)smp_trampoline / 4096) | 0x600);
((size_t)smp_trampoline / 4096) | 0x4600);
} else {
lapic_write(LAPIC_REG_ICR1, lapic_id << 24);
lapic_write(LAPIC_REG_ICR0, ((size_t)smp_trampoline / 4096) | 0x600);
lapic_write(LAPIC_REG_ICR0, ((size_t)smp_trampoline / 4096) | 0x4600);
}
for (int i = 0; i < 100; i++) {