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author | Guo Mang <mang.guo@intel.com> | 2016-12-22 15:57:14 +0800 |
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committer | Guo Mang <mang.guo@intel.com> | 2016-12-26 19:14:41 +0800 |
commit | 1760cf81e4b1847c6823ea3514a78dd120e19b6e (patch) | |
tree | 64a874b14050fe24d3bbc1bc13cd293abf8ae018 /Core/MdePkg/Library/BaseLib/Ipf/AccessGp.s | |
parent | 7f05fa00f73038b425002566d3afe6c3ade2ccdb (diff) | |
download | edk2-platforms-1760cf81e4b1847c6823ea3514a78dd120e19b6e.tar.xz |
MdePkg: Move to new location
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'Core/MdePkg/Library/BaseLib/Ipf/AccessGp.s')
-rw-r--r-- | Core/MdePkg/Library/BaseLib/Ipf/AccessGp.s | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/BaseLib/Ipf/AccessGp.s b/Core/MdePkg/Library/BaseLib/Ipf/AccessGp.s new file mode 100644 index 0000000000..a0e3d3fb55 --- /dev/null +++ b/Core/MdePkg/Library/BaseLib/Ipf/AccessGp.s @@ -0,0 +1,86 @@ +/// @file
+/// IPF specific Global Pointer and Stack Pointer accessing functions
+///
+/// Copyright (c) 2006, 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: AccessGp.s
+///
+///
+
+//---------------------------------------------------------------------------------
+//++
+// AsmReadGp
+//
+// This routine is used to read the current value of 64-bit Global Pointer (GP).
+//
+// Arguments :
+//
+// On Entry :
+//
+// Return Value: The current GP value.
+//
+//--
+//----------------------------------------------------------------------------------
+.text
+.type AsmReadGp, @function
+.proc AsmReadGp
+
+AsmReadGp::
+ mov r8 = gp;;
+ br.ret.dpnt b0;;
+.endp AsmReadGp
+
+//---------------------------------------------------------------------------------
+//++
+// AsmWriteGp
+//
+// This routine is used to write the current value of 64-bit Global Pointer (GP).
+//
+// Arguments :
+//
+// On Entry : The value need to be written.
+//
+// Return Value: The value have been written.
+//
+//--
+//----------------------------------------------------------------------------------
+.text
+.type AsmWriteGp, @function
+.proc AsmWriteGp
+.regstk 1, 0, 0, 0
+
+AsmWriteGp::
+ mov gp = in0
+ mov r8 = in0;;
+ br.ret.dpnt b0;;
+.endp AsmWriteGp
+
+//---------------------------------------------------------------------------------
+//++
+// AsmReadSp
+//
+// This routine is used to read the current value of 64-bit Stack Pointer (SP).
+//
+// Arguments :
+//
+// On Entry :
+//
+// Return Value: The current SP value.
+//
+//--
+//----------------------------------------------------------------------------------
+.text
+.type AsmReadSp, @function
+.proc AsmReadSp
+
+AsmReadSp::
+ mov r8 = sp;;
+ br.ret.dpnt b0;;
+.endp AsmReadSp
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