1 ;------------------------------------------------------------------------------
3 ;* Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
4 ;* This program and the accompanying materials
5 ;* are licensed and made available under the terms and conditions of the BSD License
6 ;* which accompanies this distribution. The full text of the license may be found at
7 ;* http://opensource.org/licenses/bsd-license.php
9 ;* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 ;* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
16 ;------------------------------------------------------------------------------
22 extern ASM_PFX(SecCoreStartupWithStack)
27 ; Processor is in flat protected mode
29 ; @param[in] EAX Initial value of the EAX register (BIST: Built-in Self Test)
30 ; @param[in] DI 'BP': boot-strap processor, or 'AP': application processor
31 ; @param[in] EBP Pointer to the start of the Boot Firmware Volume
32 ; @param[in] DS Selector allowing flat access to all addresses
33 ; @param[in] ES Selector allowing flat access to all addresses
34 ; @param[in] FS Selector allowing flat access to all addresses
35 ; @param[in] GS Selector allowing flat access to all addresses
36 ; @param[in] SS Selector allowing flat access to all addresses
38 ; @return None This routine does not return
40 global ASM_PFX(_ModuleEntryPoint)
41 ASM_PFX(_ModuleEntryPoint):
44 ; Fill the temporary RAM with the initial stack value.
45 ; The loop below will seed the heap as well, but that's harmless.
47 mov eax, FixedPcdGet32 (PcdInitValueInTempStack) ; dword to store
48 mov edi, FixedPcdGet32 (PcdOvmfSecPeiTempRamBase) ; base address,
51 mov ecx, FixedPcdGet32 (PcdOvmfSecPeiTempRamSize) / 4 ; dword count
57 ; Load temporary RAM stack based on PCDs
59 %define SEC_TOP_OF_STACK (FixedPcdGet32 (PcdOvmfSecPeiTempRamBase) + \
60 FixedPcdGet32 (PcdOvmfSecPeiTempRamSize))
61 mov eax, SEC_TOP_OF_STACK
66 ; Setup parameters and call SecCoreStartupWithStack
67 ; [esp] return address for call
68 ; [esp+4] BootFirmwareVolumePtr
69 ; [esp+8] TopOfCurrentStack
73 call ASM_PFX(SecCoreStartupWithStack)