diff options
| author | Guo Mang <mang.guo@intel.com> | 2016-12-22 15:57:14 +0800 |
|---|---|---|
| committer | Guo Mang <mang.guo@intel.com> | 2016-12-26 19:14:41 +0800 |
| commit | 1760cf81e4b1847c6823ea3514a78dd120e19b6e (patch) | |
| tree | 64a874b14050fe24d3bbc1bc13cd293abf8ae018 /Core/MdePkg/Library/BaseCpuLib/Ia32/CpuSleepGcc.c | |
| 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/BaseCpuLib/Ia32/CpuSleepGcc.c')
| -rw-r--r-- | Core/MdePkg/Library/BaseCpuLib/Ia32/CpuSleepGcc.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/BaseCpuLib/Ia32/CpuSleepGcc.c b/Core/MdePkg/Library/BaseCpuLib/Ia32/CpuSleepGcc.c new file mode 100644 index 0000000000..eb71fa0357 --- /dev/null +++ b/Core/MdePkg/Library/BaseCpuLib/Ia32/CpuSleepGcc.c @@ -0,0 +1,33 @@ +/** @file
+ CpuSleep function for Ia32/X64 GCC.
+
+ Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+ Portions copyright (c) 2008 - 2009, Apple Inc. 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.
+
+**/
+
+
+/**
+ Places the CPU in a sleep state until an interrupt is received.
+
+ Places the CPU in a sleep state until an interrupt is received. If interrupts
+ are disabled prior to calling this function, then the CPU will be placed in a
+ sleep state indefinitely.
+
+**/
+VOID
+EFIAPI
+CpuSleep (
+ VOID
+ )
+{
+ __asm__ __volatile__ ("hlt"::: "memory");
+}
+
|