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Mask the APIC Timer
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This commit is contained in:
Aiken Harris
2026-04-26 22:14:07 +02:00
parent b1d013977f
commit 119679c996
1 changed files with 1 additions and 5 deletions
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6
xtoskrnl/hl/x86/pic.cc
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@@ -383,13 +383,9 @@ HL::Pic::InitializeApic(VOID)
/* Setup the LVT Error entry to deliver APIC errors on a dedicated vector */ /* Setup the LVT Error entry to deliver APIC errors on a dedicated vector */
WriteApicRegister(APIC_ERRLVTR, APIC_VECTOR_ERROR); WriteApicRegister(APIC_ERRLVTR, APIC_VECTOR_ERROR);
/* Program the APIC timer for periodic mode */ /* Mask the APIC Timer */
LvtRegister.Long = 0; LvtRegister.Long = 0;
LvtRegister.Mask = 1; LvtRegister.Mask = 1;
LvtRegister.DeliveryMode = APIC_DM_FIXED;
LvtRegister.TimerMode = 1;
LvtRegister.TriggerMode = APIC_TGM_EDGE;
LvtRegister.Vector = APIC_VECTOR_PROFILE;
WriteApicRegister(APIC_TMRLVTR, LvtRegister.Long); WriteApicRegister(APIC_TMRLVTR, LvtRegister.Long);
/* Configure the performance counter overflow */ /* Configure the performance counter overflow */