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CpuArchLib: Specified IdtTable size precisely.

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This commit is contained in:
Mikhail Krichanov 2024-12-05 12:35:16 +03:00
parent a838238251
commit 98f13417fb
1 changed files with 2 additions and 2 deletions
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UefiCpuPkg/Library/CpuArchLib/CpuDxe.c
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@ -728,9 +728,9 @@ InitInterruptDescriptorTable (
// //
// Increase Interrupt Descriptor Table and Copy the old IDT table in // Increase Interrupt Descriptor Table and Copy the old IDT table in
// //
IdtTable = AllocatePages (1); IdtTable = AllocatePages (EFI_SIZE_TO_PAGES (sizeof (IA32_IDT_GATE_DESCRIPTOR) * CPU_INTERRUPT_NUM));
ASSERT (IdtTable != NULL); ASSERT (IdtTable != NULL);
SetMem (IdtTable, EFI_PAGE_SIZE, 0); SetMem (IdtTable, sizeof (IA32_IDT_GATE_DESCRIPTOR) * CPU_INTERRUPT_NUM, 0);
CopyMem (IdtTable, (VOID *)IdtDescriptor.Base, sizeof (IA32_IDT_GATE_DESCRIPTOR) * IdtEntryCount); CopyMem (IdtTable, (VOID *)IdtDescriptor.Base, sizeof (IA32_IDT_GATE_DESCRIPTOR) * IdtEntryCount);
// //