1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
#include <EFI.h>
#include <Token.h>
#include <AmiDxeLib.h>
#include <Protocol\LegacyRegion.h>
//----------------------------------------------------------------------------
// Description: InstallSecurityString
//----------------------------------------------------------------------------
EFI_STATUS InstallSecurityString()
{
EFI_GUID gEfiLegacyRegionProtocol = EFI_LEGACY_REGION_PROTOCOL_GUID;
EFI_LEGACY_REGION_PROTOCOL *LegacyRegionProtocol;
UINTN NumberOfHandles;
EFI_HANDLE *HandleBuffer;
EFI_STATUS Status;
CHAR8 SIGNATURE_STR1[] = {0x22, 0x34, 0x03, 0x98, "AAEON Technology Inc."};
CHAR8 SIGNATURE_STR2[] = CONVERT_TO_STRING(SIGNATURE_MODEL_TAG);
//F0000-F1000 unlock
Status = pBS->LocateHandleBuffer ( ByProtocol, &gEfiLegacyRegionProtocol, NULL, &NumberOfHandles, &HandleBuffer );
Status = pBS->HandleProtocol ( HandleBuffer[0], &gEfiLegacyRegionProtocol, &LegacyRegionProtocol);
pBS->FreePool(HandleBuffer);
Status = LegacyRegionProtocol->UnLock(LegacyRegionProtocol, 0xF0000, 0x10000, NULL);
// pBS->CopyMem((VOID*)(SIGNATURE_ADDRESS1), SIGNATURE_STR1, sizeof (SIGNATURE_STR1) );
pBS->CopyMem((VOID*)(SIGNATURE_ADDRESS2), SIGNATURE_STR2, sizeof (SIGNATURE_STR2) );
Status = LegacyRegionProtocol->Lock(LegacyRegionProtocol, 0xF0000, 0x10000, NULL);
return Status;
}
//----------------------------------------------------------------------------
// Description: AAEONSecurityEntryPoint
//----------------------------------------------------------------------------
EFI_STATUS AAEONSecurityEntryPoint(
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
InitAmiLib(ImageHandle, SystemTable);
return InstallSecurityString();
}
|
