3 * Copyright (c) 2011, ARM Limited. All rights reserved.
5 * This program and the accompanying materials
6 * are licensed and made available under the terms and conditions of the BSD License
7 * which accompanies this distribution. The full text of the license may be found at
8 * http://opensource.org/licenses/bsd-license.php
10 * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
15 #include <Chipset/ArmV7.h>
17 #include "PrePeiCore.h"
31 IN EFI_PEI_CORE_ENTRY_POINT PeiCoreEntryPoint
34 EFI_SEC_PEI_HAND_OFF SecCoreData
;
36 EFI_PEI_PPI_DESCRIPTOR
*PpiList
;
37 UINTN TemporaryRamBase
;
38 UINTN TemporaryRamSize
;
40 CreatePpiList (&PpiListSize
, &PpiList
);
42 // Adjust the Temporary Ram as the new Ppi List (Common + Platform Ppi Lists) is created at
43 // the base of the primary core stack
44 PpiListSize
= ALIGN_VALUE(PpiListSize
, 0x4);
45 TemporaryRamBase
= (UINTN
)PcdGet32 (PcdCPUCoresStackBase
) + PpiListSize
;
46 TemporaryRamSize
= (UINTN
)PcdGet32 (PcdCPUCorePrimaryStackSize
) - PpiListSize
;
49 // Bind this information into the SEC hand-off state
50 // Note: this must be in sync with the stuff in the asm file
51 // Note also: HOBs (pei temp ram) MUST be above stack
53 SecCoreData
.DataSize
= sizeof(EFI_SEC_PEI_HAND_OFF
);
54 SecCoreData
.BootFirmwareVolumeBase
= (VOID
*)(UINTN
)PcdGet32 (PcdFvBaseAddress
);
55 SecCoreData
.BootFirmwareVolumeSize
= PcdGet32 (PcdFvSize
);
56 SecCoreData
.TemporaryRamBase
= (VOID
*)TemporaryRamBase
; // We run on the primary core (and so we use the first stack)
57 SecCoreData
.TemporaryRamSize
= TemporaryRamSize
;
58 SecCoreData
.PeiTemporaryRamBase
= SecCoreData
.TemporaryRamBase
;
59 SecCoreData
.PeiTemporaryRamSize
= SecCoreData
.TemporaryRamSize
/ 2;
60 SecCoreData
.StackBase
= (VOID
*)((UINTN
)(SecCoreData
.TemporaryRamBase
) + (SecCoreData
.TemporaryRamSize
/2));
61 SecCoreData
.StackSize
= SecCoreData
.TemporaryRamSize
/ 2;
63 // Jump to PEI core entry point
64 (PeiCoreEntryPoint
)(&SecCoreData
, PpiList
);