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SysCall: Replaced AllocatePool() with CoreAllocatePages().

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This commit is contained in:
Mikhail Krichanov 2024-03-22 18:09:42 +03:00
parent ede5387afd
commit 99d5d6b5a9
1 changed files with 19 additions and 12 deletions
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19
MdeModulePkg/Core/Dxe/SysCall/SupportedProtocols.c
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@ -30,19 +30,24 @@ GoToRing3 (
RING3_CALL_DATA *Input; RING3_CALL_DATA *Input;
VA_LIST Marker; VA_LIST Marker;
UINTN Index; UINTN Index;
EFI_PHYSICAL_ADDRESS Ring3Pages;
UINT32 PagesNumber;
DisableSMAP (); PagesNumber = (UINT32)EFI_SIZE_TO_PAGES (sizeof (RING3_CALL_DATA) + Number * sizeof (UINTN));
Status = gBS->AllocatePool (
Status = CoreAllocatePages (
AllocateAnyPages,
EfiRing3MemoryType, EfiRing3MemoryType,
sizeof (RING3_CALL_DATA) + Number * sizeof (UINTN), PagesNumber,
(VOID **)&Input &Ring3Pages
); );
if (EFI_ERROR (Status)) { if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "Ring0: Failed to allocate memory for Input data.\n"));
EnableSMAP ();
return Status; return Status;
} }
Input = (RING3_CALL_DATA *)(UINTN)Ring3Pages;
DisableSMAP ();
Input->NumberOfArguments = Number; Input->NumberOfArguments = Number;
Input->EntryPoint = EntryPoint; Input->EntryPoint = EntryPoint;
@ -74,6 +79,8 @@ GoToRing3 (
); );
} }
CoreFreePages (Ring3Pages, PagesNumber);
return Status; return Status;
} }