mirror of https://github.com/acidanthera/audk.git
47 lines
1.5 KiB
NASM
47 lines
1.5 KiB
NASM
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;------------------------------------------------------------------------------
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;
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; Copyright (c) 2006, 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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; Module Name:
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;
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; LongJump.Asm
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;
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; Abstract:
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;
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; Implementation of _LongJump() on IA-32.
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;
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;------------------------------------------------------------------------------
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.386
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.model flat,C
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.code
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;------------------------------------------------------------------------------
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; VOID
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; EFIAPI
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; InternalLongJump (
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; IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer,
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; IN UINTN Value
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; );
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;------------------------------------------------------------------------------
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InternalLongJump PROC
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pop eax ; skip return address
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pop edx ; edx <- JumpBuffer
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pop eax ; eax <- Value
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mov ebx, [edx]
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mov esi, [edx + 4]
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mov edi, [edx + 8]
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mov ebp, [edx + 12]
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mov esp, [edx + 16]
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jmp dword ptr [edx + 20] ; restore "eip"
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InternalLongJump ENDP
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END
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