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| author | Jeff Fan <jeff.fan@intel.com> | 2015-12-18 03:24:27 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@Edk2> | 2015-12-18 03:24:27 +0000 |
| commit | 4de216c01641fe4362cabfa0687378a973490832 (patch) | |
| tree | e24a5835c1a90514a2f678442c0a3c83777bd78c /UefiCpuPkg/CpuMpPei/CpuMpPei.h | |
| parent | 9d39ed931bf59b8d5afdccf7e1c30ece817b7a04 (diff) | |
| download | edk2-4de216c01641fe4362cabfa0687378a973490832.tar.gz edk2-4de216c01641fe4362cabfa0687378a973490832.tar.bz2 edk2-4de216c01641fe4362cabfa0687378a973490832.zip | |
UefiCpuPkg/CpuMpPei: Add GetApLoopMode() to get AP loop mode
Add GetApLoopMode() that will get PCD PcdCpuApLoopMode firstly. If it is
ApInMwaitLoop, we will check if MONITOR/MWAIT feature supported by CPUID. If
MONITOR/MWAIT feature is not supported, force AP loop mode to ApInHltLoop.
GetApLoopMode() also return the largest line size required.
Contributed-under: TianoCore Contribution Agreement 1.0
Cc: Feng Tian <feng.tian@intel.com>
Cc: Michael Kinney <michael.d.kinney@intel.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Signed-off-by: Michael Kinney <michael.d.kinney@intel.com>
Tested-by: Michael Kinney <michael.d.kinney@intel.com>
Reviewed-by: Michael Kinney <michael.d.kinney@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19343 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'UefiCpuPkg/CpuMpPei/CpuMpPei.h')
| -rw-r--r-- | UefiCpuPkg/CpuMpPei/CpuMpPei.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/UefiCpuPkg/CpuMpPei/CpuMpPei.h b/UefiCpuPkg/CpuMpPei/CpuMpPei.h index 2b960c6eb1..be4e312377 100644 --- a/UefiCpuPkg/CpuMpPei/CpuMpPei.h +++ b/UefiCpuPkg/CpuMpPei/CpuMpPei.h @@ -50,6 +50,12 @@ typedef enum { CpuStateDisabled
} CPU_STATE;
+typedef enum {
+ ApInHltLoop = 1,
+ ApInMwaitLoop = 2,
+ ApInRunLoop = 3
+} AP_LOOP_MODE;
+
//
// AP reset code information
//
|