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| author | Jeff Fan <jeff.fan@intel.com> | 2015-07-15 03:45:45 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@Edk2> | 2015-07-15 03:45:45 +0000 |
| commit | fcc82734bff62c2727a7705afb952f148cabef85 (patch) | |
| tree | 45ac0bf7e249ecefd4b7361b2e4fb7d71a972469 /UefiCpuPkg/CpuMpPei/CpuMpPei.h | |
| parent | e35d034736404dca9240bfe9bd575ea8265461a6 (diff) | |
| download | edk2-platforms-fcc82734bff62c2727a7705afb952f148cabef85.tar.xz | |
UefiCpuPkg/CpuMpPei: Add AsmHltLoop ()
Add AsmHltLoop () in assembly code, it will not be copied into AP wakeup
buffer and invoked at end of ApCFunction (). To make sure AP work in case
AP wakeup buffer is restored to original data.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18013 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'UefiCpuPkg/CpuMpPei/CpuMpPei.h')
| -rw-r--r-- | UefiCpuPkg/CpuMpPei/CpuMpPei.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/UefiCpuPkg/CpuMpPei/CpuMpPei.h b/UefiCpuPkg/CpuMpPei/CpuMpPei.h index 97d52bf563..c241349a97 100644 --- a/UefiCpuPkg/CpuMpPei/CpuMpPei.h +++ b/UefiCpuPkg/CpuMpPei/CpuMpPei.h @@ -166,6 +166,15 @@ AsmInitializeGdt ( IN IA32_DESCRIPTOR *Gdtr ); +/** + Assembly code to do CLI-HALT loop. + +**/ +VOID +EFIAPI +AsmCliHltLoop ( + VOID + ); /** This function will be called by BSP to wakeup AP. |