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Last change
on this file since 61497 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
set to
native
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File size:
1.7 KB
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| 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.S
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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 |
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| 19 | #.MMX
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| 20 | #.XMM
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| 21 |
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| 22 | #------------------------------------------------------------------------------
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| 23 | # VOID
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| 24 | # SetCodeSelector (
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| 25 | # UINT16 Selector
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| 26 | # );
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| 27 | #------------------------------------------------------------------------------
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| 28 | ASM_GLOBAL ASM_PFX(SetCodeSelector)
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| 29 | ASM_PFX(SetCodeSelector):
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| 30 | movl 4(%esp), %ecx
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| 31 | subl $0x10, %esp
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| 32 | leal setCodeSelectorLongJump, %eax
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| 33 | movl %eax, (%esp)
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| 34 | movw %cx, 4(%esp)
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| 35 | .byte 0xFF, 0x2C, 0x24 # jmp *(%esp) note:(FWORD jmp)
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| 36 | setCodeSelectorLongJump:
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| 37 | addl $0x10, %esp
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| 38 | ret
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| 39 |
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| 40 | #------------------------------------------------------------------------------
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| 41 | # VOID
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| 42 | # SetDataSelectors (
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| 43 | # UINT16 Selector
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| 44 | # );
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| 45 | #------------------------------------------------------------------------------
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| 46 | ASM_GLOBAL ASM_PFX(SetDataSelectors)
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| 47 | ASM_PFX(SetDataSelectors):
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| 48 | movl 4(%esp), %ecx
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| 49 | movw %cx, %ss
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| 50 | movw %cx, %ds
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| 51 | movw %cx, %es
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| 52 | movw %cx, %fs
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| 53 | movw %cx, %gs
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| 54 | ret
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| 55 |
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| 56 | #END
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| 57 |
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