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Refactor processor affinity logic
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This commit is contained in:
Aiken Harris
2026-06-09 19:33:20 +02:00
parent e2eb784eef
commit 3841ceaf5b
3 changed files with 8 additions and 7 deletions
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2
xtoskrnl/hl/data.cc
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@@ -28,7 +28,7 @@ ACPI_SYSTEM_INFO HL::Acpi::SystemInfo;
ACPI_TIMER_INFO HL::Acpi::TimerInfo; ACPI_TIMER_INFO HL::Acpi::TimerInfo;
/* Represents the number of active processors */ /* Represents the number of active processors */
KAFFINITY HL::Cpu::ActiveProcessors; KAFFINITY_MAP HL::Cpu::ActiveProcessors;
/* Metadata detailing the linear frame buffer geometry */ /* Metadata detailing the linear frame buffer geometry */
HL_FRAMEBUFFER_DATA HL::FrameBuffer::FrameBufferData; HL_FRAMEBUFFER_DATA HL::FrameBuffer::FrameBufferData;

11
xtoskrnl/hl/x86/cpu.cc
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@@ -24,7 +24,7 @@ VOID
HL::Cpu::InitializeProcessor(VOID) HL::Cpu::InitializeProcessor(VOID)
{ {
PKPROCESSOR_BLOCK ProcessorBlock; PKPROCESSOR_BLOCK ProcessorBlock;
KAFFINITY Affinity; ULONG BlockIndex, BitIndex;
/* Get current processor block */ /* Get current processor block */
ProcessorBlock = KE::Processor::GetCurrentProcessorBlock(); ProcessorBlock = KE::Processor::GetCurrentProcessorBlock();
@@ -33,17 +33,18 @@ HL::Cpu::InitializeProcessor(VOID)
ProcessorBlock->StallScaleFactor = INITIAL_STALL_FACTOR; ProcessorBlock->StallScaleFactor = INITIAL_STALL_FACTOR;
ProcessorBlock->Idr = 0xFFFFFFFF; ProcessorBlock->Idr = 0xFFFFFFFF;
/* Set processor affinity */ /* Calculate the precise block and bit index for the affinity map */
Affinity = (KAFFINITY) 1 << ProcessorBlock->CpuNumber; BlockIndex = ProcessorBlock->CpuNumber / 64;
BitIndex = ProcessorBlock->CpuNumber % 64;
/* Apply affinity to a set of processors */ /* Apply affinity to a set of processors */
ActiveProcessors |= Affinity; RTL::Atomic::Or64((PLONG_PTR)&ActiveProcessors.Bitmap[BlockIndex], ((KAFFINITY)1 << BitIndex));
/* Initialize APIC for this processor */ /* Initialize APIC for this processor */
HL::Pic::InitializePic(); HL::Pic::InitializePic();
/* Set the APIC running level */ /* Set the APIC running level */
HL::RunLevel::SetRunLevel(KE::Processor::GetCurrentProcessorBlock()->RunLevel); HL::RunLevel::SetRunLevel(ProcessorBlock->RunLevel);
} }
/** /**

2
xtoskrnl/includes/hl/cpu.hh
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@@ -18,7 +18,7 @@ namespace HL
class Cpu class Cpu
{ {
private: private:
STATIC KAFFINITY ActiveProcessors; STATIC KAFFINITY_MAP ActiveProcessors;
public: public:
STATIC XTAPI VOID InitializeProcessor(VOID); STATIC XTAPI VOID InitializeProcessor(VOID);