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authorbbahnsen <bbahnsen@6f19259b-4bc3-4df7-8a09-765794883524>2006-06-20 21:50:44 +0000
committerbbahnsen <bbahnsen@6f19259b-4bc3-4df7-8a09-765794883524>2006-06-20 21:50:44 +0000
commit975201130c7223ef29be7a28500ed107623fc4be (patch)
tree1ee2dacc73b6285d5371cf34e8100e831d971695 /MdePkg/Library/BaseLib/Ia32/CpuIdEx.S
parent11e7b0f6dd28d03942494d3e18842d31421a9842 (diff)
downloadedk2-platforms-975201130c7223ef29be7a28500ed107623fc4be.tar.xz
Use capital S for GCC assembly. This enables pre-processing for PCD support.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@576 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32/CpuIdEx.S')
-rw-r--r--MdePkg/Library/BaseLib/Ia32/CpuIdEx.S67
1 files changed, 67 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/CpuIdEx.S b/MdePkg/Library/BaseLib/Ia32/CpuIdEx.S
new file mode 100644
index 0000000000..43c23b6415
--- /dev/null
+++ b/MdePkg/Library/BaseLib/Ia32/CpuIdEx.S
@@ -0,0 +1,67 @@
+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006, Intel Corporation
+# All rights reserved. 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:
+#
+# CpuIdEx.Asm
+#
+# Abstract:
+#
+# AsmCpuidEx function
+#
+# Notes:
+#
+#------------------------------------------------------------------------------
+
+ .686:
+ .code:
+
+#------------------------------------------------------------------------------
+# UINT32
+# EFIAPI
+# AsmCpuidEx (
+# IN UINT32 RegisterInEax,
+# IN UINT32 RegisterInEcx,
+# OUT UINT32 *RegisterOutEax OPTIONAL,
+# OUT UINT32 *RegisterOutEbx OPTIONAL,
+# OUT UINT32 *RegisterOutEcx OPTIONAL,
+# OUT UINT32 *RegisterOutEdx OPTIONAL
+# )
+#------------------------------------------------------------------------------
+.globl _AsmCpuidEx
+_AsmCpuidEx:
+ push %ebx
+ pushl %ebp
+ movl %esp, %ebp
+ movl 12(%ebp), %eax
+ movl 16(%ebp), %ecx
+ cpuid
+ pushl %ecx
+ movl 20(%ebp), %ecx
+ jecxz L1
+ movl %eax, (%ecx)
+L1:
+ movl 24(%ebp), %ecx
+ jecxz L2
+ movl %ebx, (%ecx)
+L2:
+ movl 28(%ebp), %ecx
+ jecxz L3
+ popl %ecx
+L3:
+ movl 32(%ebp), %edx
+ jecxz L4
+ movl %edx, (%ecx)
+L4:
+ movl 12(%ebp), %eax
+ pop %ebx
+ leave
+ ret