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Remove hardcoded shift in SIPI vector calculation

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This commit is contained in:
Aiken Harris
2026-06-12 14:21:27 +02:00
parent 1a062ca05f
commit b0074637f8
3 changed files with 7 additions and 1 deletions
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3
sdk/xtdk/amd64/hltypes.h
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@@ -39,6 +39,9 @@
#define APIC_VECTOR_PERF 0xFE
#define APIC_VECTOR_NMI 0xFF
/* APIC SIPI vector shift */
#define APIC_VECTOR_SIPI_SHIFT 12
/* APIC destination formats */
#define APIC_DF_FLAT 0xFFFFFFFF
#define APIC_DF_CLUSTER 0x0FFFFFFF

3
sdk/xtdk/i686/hltypes.h
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@@ -45,6 +45,9 @@
#define APIC_VECTOR_PERF 0xFE
#define APIC_VECTOR_NMI 0xFF
/* APIC SIPI vector shift */
#define APIC_VECTOR_SIPI_SHIFT 12
/* APIC destination formats */
#define APIC_DF_FLAT 0xFFFFFFFF
#define APIC_DF_CLUSTER 0x0FFFFFFF

2
xtoskrnl/hl/x86/cpu.cc
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@@ -163,7 +163,7 @@ HL::Cpu::StartAllProcessors(VOID)
StartBlock = (PPROCESSOR_START_BLOCK)((PUCHAR)ApVirtualAddress + TrampolineCodeSize);
/* Get SIPI vector */
SipiVector = (ULONG)(ApPhysicalAddress.QuadPart >> 12);
SipiVector = (ULONG)(ApPhysicalAddress.QuadPart >> APIC_VECTOR_SIPI_SHIFT);
/* Loop over all CPUs */
CpuNumber = 0;