7a55c43b07
Previously it was:
ESI/RSI - SEC Core entry point
EDI/RDI - PEI Core entry point
EBP/RBP - Start of BFV
Now it is:
RAX/EAX Initial value of the EAX register
(BIST: Built-in Self Test)
DI 'BP': boot-strap processor, or
'AP': application processor
RBP/EBP Address of Boot Firmware Volume (BFV)
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9571 6f19259b-4bc3-4df7-8a09-765794883524
49 lines
1.3 KiB
NASM
49 lines
1.3 KiB
NASM
;------------------------------------------------------------------------------
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; @file
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; 16-bit initialization code
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;
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; Copyright (c) 2008 - 2009, Intel Corporation
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; All rights reserved. This program and the accompanying materials
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; are licensed and made available under the terms and conditions of the BSD License
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; which accompanies this distribution. The full text of the license may be found at
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; http://opensource.org/licenses/bsd-license.php
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;
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; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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;
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;------------------------------------------------------------------------------
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BITS 16
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;
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; @param[out] DI 'BP' to indicate boot-strap processor
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;
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EarlyBspInitReal16:
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mov di, 'BP'
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jmp short Main16
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;
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; @param[out] DI 'AP' to indicate application processor
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;
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EarlyApInitReal16:
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mov di, 'AP'
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jmp short Main16
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;
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; Modified: EAX
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;
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; @param[in] EAX Initial value of the EAX register (BIST: Built-in Self Test)
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; @param[out] ESP Initial value of the EAX register (BIST: Built-in Self Test)
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;
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EarlyInit16:
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;
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; ESP - Initial value of the EAX register (BIST: Built-in Self Test)
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;
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mov esp, eax
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debugInitialize
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OneTimeCallRet EarlyInit16
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