vinzenz/redox
0
0
Fork 0
Code Issues Pull requests Actions Packages Projects Releases Wiki Activity

Do not disable local apic, it appears to turn off irqs on BSP

Browse source
This commit is contained in:
Jeremy Soller 2016-09-01 20:23:47 -06:00
parent da88cdcb61
commit 69faf5f377
1 changed files with 0 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
arch/x86_64/src/acpi/local_apic.rs
View file

@ -18,10 +18,6 @@ impl LocalApic {
x2: false x2: false
}; };
unsafe { wrmsr(IA32_APIC_BASE, rdmsr(IA32_APIC_BASE) & !(1 << 11 | 1 << 10)) };
unsafe { wrmsr(IA32_APIC_BASE, rdmsr(IA32_APIC_BASE) | 1 << 11) };
if CpuId::new().get_feature_info().unwrap().has_x2apic() { if CpuId::new().get_feature_info().unwrap().has_x2apic() {
unsafe { wrmsr(IA32_APIC_BASE, rdmsr(IA32_APIC_BASE) | 1 << 10) }; unsafe { wrmsr(IA32_APIC_BASE, rdmsr(IA32_APIC_BASE) | 1 << 10) };
apic.x2 = true; apic.x2 = true;