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Last change
on this file since 58466 was 58466, checked in by vboxsync, 9 years ago |
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EFI/Firmware: Merged in the svn:eol-style, svn:mime-type and trailing whitespace cleanup that was done after the initial UDK2014.SP1 import: svn merge /vendor/edk2/UDK2014.SP1 /vendor/edk2/current .
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Property svn:eol-style
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native
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File size:
1.5 KB
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| 1 | TITLE CpuAsm.asm:
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| 2 | ;------------------------------------------------------------------------------
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| 3 | ;*
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| 4 | ;* Copyright (c) 2008 - 2013, Intel Corporation. All rights reserved.<BR>
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| 5 | ;* This program and the accompanying materials
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| 6 | ;* are licensed and made available under the terms and conditions of the BSD License
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| 7 | ;* which accompanies this distribution. The full text of the license may be found at
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| 8 | ;* http://opensource.org/licenses/bsd-license.php
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| 9 | ;*
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| 10 | ;* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| 11 | ;* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 12 | ;*
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| 13 | ;* CpuAsm.asm
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| 14 | ;*
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| 15 | ;* Abstract:
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| 16 | ;*
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| 17 | ;------------------------------------------------------------------------------
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| 18 |
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| 19 | .code
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| 20 |
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| 21 | ;------------------------------------------------------------------------------
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| 22 | ; VOID
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| 23 | ; SetCodeSelector (
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| 24 | ; UINT16 Selector
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| 25 | ; );
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| 26 | ;------------------------------------------------------------------------------
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| 27 | SetCodeSelector PROC PUBLIC
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| 28 | sub rsp, 0x10
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| 29 | lea rax, setCodeSelectorLongJump
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| 30 | mov [rsp], rax
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| 31 | mov [rsp+4], cx
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| 32 | jmp fword ptr [rsp]
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| 33 | setCodeSelectorLongJump:
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| 34 | add rsp, 0x10
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| 35 | ret
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| 36 | SetCodeSelector ENDP
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| 37 |
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| 38 | ;------------------------------------------------------------------------------
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| 39 | ; VOID
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| 40 | ; SetDataSelectors (
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| 41 | ; UINT16 Selector
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| 42 | ; );
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| 43 | ;------------------------------------------------------------------------------
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| 44 | SetDataSelectors PROC PUBLIC
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| 45 | mov ss, cx
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| 46 | mov ds, cx
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| 47 | mov es, cx
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| 48 | mov fs, cx
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| 49 | mov gs, cx
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| 50 | ret
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| 51 | SetDataSelectors ENDP
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| 52 |
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| 53 | END
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| 54 |
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