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SysCall: Made CoreSp STATIC, fixed UserRsp for AARCH64.

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This commit is contained in:
Mikhail Krichanov 2024-05-27 13:18:02 +03:00
parent de4229c371
commit 3e4f215f1a
1 changed files with 7 additions and 6 deletions
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13
MdeModulePkg/Core/Dxe/SysCall/AARCH64/InitializeMsr.c
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@ -11,7 +11,7 @@
#include "DxeMain.h"
UINTN CoreSp;
STATIC UINTN mCoreSp;
EFI_STATUS
EFIAPI
@ -30,6 +30,7 @@ ReturnToCore (
IN UINTN CoreSp
);
STATIC
EFI_STATUS
EFIAPI
SysCallBootService (
@ -42,13 +43,13 @@ SysCallBootService (
EFI_PHYSICAL_ADDRESS Physical;
if (Type == SysCallReturnToCore) {
ReturnToCore (*(EFI_STATUS *)CoreRbp, CoreSp);
ReturnToCore (*(EFI_STATUS *)CoreRbp, mCoreSp);
}
Status = CoreAllocatePages (
AllocateAnyPages,
EfiRing3MemoryType,
EFI_SIZE_TO_PAGES (8 * sizeof (UINTN)),
EFI_SIZE_TO_PAGES (9 * sizeof (UINTN)),
&Physical
);
if (EFI_ERROR (Status)) {
@ -56,7 +57,7 @@ SysCallBootService (
}
DisableSMAP ();
CopyMem ((VOID *)(UINTN)Physical, (VOID *)UserRsp, 8 * sizeof (UINTN));
CopyMem ((VOID *)((UINTN)Physical + sizeof (UINTN)), (VOID *)UserRsp, 8 * sizeof (UINTN));
EnableSMAP ();
Status = CallBootService (
@ -65,7 +66,7 @@ SysCallBootService (
(RING3_STACK *)(UINTN)Physical
);
CoreFreePages (Physical, EFI_SIZE_TO_PAGES (8 * sizeof (UINTN)));
CoreFreePages (Physical, EFI_SIZE_TO_PAGES (9 * sizeof (UINTN)));
return Status;
}
@ -128,5 +129,5 @@ CallRing3 (
IN RING3_CALL_DATA *Data
)
{
return ArmCallRing3 (Data, gRing3CallStackTop, gRing3EntryPoint, gCoreSysCallStackTop, &CoreSp);
return ArmCallRing3 (Data, gRing3CallStackTop, gRing3EntryPoint, gCoreSysCallStackTop, &mCoreSp);
}