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Set CR3 field in TSS to ensure correct page table context on task switches
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This commit is contained in:
Aiken Harris
2026-03-30 14:56:41 +02:00
parent 489ef8a514
commit 96df5a80b8
1 changed files with 2 additions and 1 deletions
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3
xtoskrnl/ar/i686/procsup.cc
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@@ -472,7 +472,8 @@ AR::ProcSup::InitializeTss(IN PKPROCESSOR_BLOCK ProcessorBlock,
ProcessorBlock->TssBase->Esp0 = (ULONG_PTR)KernelBootStack;
ProcessorBlock->TssBase->Flags = 0;
/* Set LDT and SS */
/* Set CR3, LDT and SS */
ProcessorBlock->TssBase->CR3 = CpuFunc::ReadControlRegister(3);
ProcessorBlock->TssBase->LDT = KGDT_R0_LDT;
ProcessorBlock->TssBase->Ss0 = KGDT_R0_DATA;