| Vishal Bhoj | 82c8071 | 2015-12-15 21:13:33 +0530 | [diff] [blame] | 1 | ;------------------------------------------------------------------------------
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| 2 | ;*
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| 3 | ;* Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
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| 4 | ;* This program and the accompanying materials
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| 5 | ;* are licensed and made available under the terms and conditions of the BSD License
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| 6 | ;* which accompanies this distribution. The full text of the license may be found at
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| 7 | ;* http://opensource.org/licenses/bsd-license.php
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| 8 | ;*
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| 9 | ;* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| 10 | ;* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 11 | ;*
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| 12 | ;* CpuAsm.asm
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| 13 | ;*
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| 14 | ;* Abstract:
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| 15 | ;*
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| 16 | ;------------------------------------------------------------------------------
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| 17 |
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| 18 | #include <Base.h>
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| 19 |
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| 20 | SECTION .text
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| 21 |
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| 22 | extern ASM_PFX(SecCoreStartupWithStack)
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| 23 |
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| 24 | ;
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| 25 | ; SecCore Entry Point
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| 26 | ;
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| 27 | ; Processor is in flat protected mode
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| 28 | ;
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| 29 | ; @param[in] EAX Initial value of the EAX register (BIST: Built-in Self Test)
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| 30 | ; @param[in] DI 'BP': boot-strap processor, or 'AP': application processor
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| 31 | ; @param[in] EBP Pointer to the start of the Boot Firmware Volume
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| 32 | ;
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| 33 | ; @return None This routine does not return
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| 34 | ;
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| 35 | global ASM_PFX(_ModuleEntryPoint)
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| 36 | ASM_PFX(_ModuleEntryPoint):
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| 37 |
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| 38 | ;
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| 39 | ; Load temporary RAM stack based on PCDs
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| 40 | ;
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| 41 | %define SEC_TOP_OF_STACK (FixedPcdGet32 (PcdOvmfSecPeiTempRamBase) + \
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| 42 | FixedPcdGet32 (PcdOvmfSecPeiTempRamSize))
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| 43 | mov eax, SEC_TOP_OF_STACK
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| 44 | mov esp, eax
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| 45 | nop
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| 46 |
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| 47 | ;
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| 48 | ; Setup parameters and call SecCoreStartupWithStack
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| 49 | ; [esp] return address for call
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| 50 | ; [esp+4] BootFirmwareVolumePtr
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| 51 | ; [esp+8] TopOfCurrentStack
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| 52 | ;
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| 53 | push eax
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| 54 | push ebp
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| 55 | call ASM_PFX(SecCoreStartupWithStack)
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| 56 |
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