diff options
Diffstat (limited to 'UnixPkg/Library/UnixBaseLib/X64/CpuId.S')
-rw-r--r-- | UnixPkg/Library/UnixBaseLib/X64/CpuId.S | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/UnixPkg/Library/UnixBaseLib/X64/CpuId.S b/UnixPkg/Library/UnixBaseLib/X64/CpuId.S deleted file mode 100644 index c3d2597205..0000000000 --- a/UnixPkg/Library/UnixBaseLib/X64/CpuId.S +++ /dev/null @@ -1,60 +0,0 @@ -#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-# CpuId.S
-#
-# Abstract:
-#
-# AsmCpuid function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-#------------------------------------------------------------------------------
-# VOID
-# EFIAPI
-# AsmCpuid (
-# IN UINT32 RegisterInEax,
-# OUT UINT32 *RegisterOutEax OPTIONAL,
-# OUT UINT32 *RegisterOutEbx OPTIONAL,
-# OUT UINT32 *RegisterOutEcx OPTIONAL,
-# OUT UINT32 *RegisterOutEdx OPTIONAL
-# )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(AsmCpuid)
-ASM_PFX(AsmCpuid):
- push %rbx
- mov %ecx, %eax
- push %rax # save Index on stack
- push %rdx
- cpuid
- test %r9, %r9
- jz L1
- mov %ecx, (%r9)
-L1:
- pop %rcx
- jrcxz L2
- mov %eax, (%rcx)
-L2:
- mov %r8, %rcx
- jrcxz L3
- mov %ebx, (%rcx)
-L3:
- mov 0x38(%rsp), %rcx
- jrcxz L4
- mov %edx, (%rcx)
-L4:
- pop %rax # restore Index to rax as return value
- pop %rbx
- ret
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