diff options
| author | Jeff Fan <jeff.fan@intel.com> | 2016-07-21 16:33:11 +0800 |
|---|---|---|
| committer | Jeff Fan <jeff.fan@intel.com> | 2016-08-17 20:00:32 +0800 |
| commit | 6dc05093a097aada0da99aa9b84dfe7fc6ef02c8 (patch) | |
| tree | a6f6a5a82339d5aadc915c096e1a9ef2c114f2d2 /UefiCpuPkg/Library | |
| parent | 93ca4c0fd7d96f182790e56f147463ab1799da2a (diff) | |
| download | edk2-platforms-6dc05093a097aada0da99aa9b84dfe7fc6ef02c8.tar.xz | |
UefiCpuPkg/MpInitLib: Register one End of PEI callback function
In PeiMpInitLib, register End of PEI callback function CpuMpEndOfPeiCallback().
v5:
1. Add comment block for mMpInitLibNotifyList.
Cc: Michael Kinney <michael.d.kinney@intel.com>
Cc: Feng Tian <feng.tian@intel.com>
Cc: Giri P Mudusuru <giri.p.mudusuru@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Michael Kinney <michael.d.kinney@intel.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Michael Kinney <michael.d.kinney@intel.com>
Diffstat (limited to 'UefiCpuPkg/Library')
| -rw-r--r-- | UefiCpuPkg/Library/MpInitLib/MpLib.h | 20 | ||||
| -rw-r--r-- | UefiCpuPkg/Library/MpInitLib/PeiMpLib.c | 43 |
2 files changed, 63 insertions, 0 deletions
diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.h b/UefiCpuPkg/Library/MpInitLib/MpLib.h index d3ccac8d06..f56023786f 100644 --- a/UefiCpuPkg/Library/MpInitLib/MpLib.h +++ b/UefiCpuPkg/Library/MpInitLib/MpLib.h @@ -290,5 +290,25 @@ MicrocodeDetect ( IN CPU_MP_DATA *CpuMpData
);
+/**
+ Notify function on End Of PEI PPI.
+
+ On S3 boot, this function will restore wakeup buffer data.
+ On normal boot, this function will flag wakeup buffer to be un-used type.
+
+ @param[in] PeiServices The pointer to the PEI Services Table.
+ @param[in] NotifyDescriptor Address of the notification descriptor data structure.
+ @param[in] Ppi Address of the PPI that was installed.
+
+ @retval EFI_SUCCESS When everything is OK.
+**/
+EFI_STATUS
+EFIAPI
+CpuMpEndOfPeiCallback (
+ IN EFI_PEI_SERVICES **PeiServices,
+ IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
+ IN VOID *Ppi
+ );
+
#endif
diff --git a/UefiCpuPkg/Library/MpInitLib/PeiMpLib.c b/UefiCpuPkg/Library/MpInitLib/PeiMpLib.c index 6211e71795..72791b5617 100644 --- a/UefiCpuPkg/Library/MpInitLib/PeiMpLib.c +++ b/UefiCpuPkg/Library/MpInitLib/PeiMpLib.c @@ -13,6 +13,17 @@ **/
#include "MpLib.h"
+#include <Ppi/EndOfPeiPhase.h>
+#include <Library/PeiServicesLib.h>
+
+//
+// Global PEI notify function descriptor on EndofPei event
+//
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_PEI_NOTIFY_DESCRIPTOR mMpInitLibNotifyList = {
+ (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
+ &gEfiEndOfPeiSignalPpiGuid,
+ CpuMpEndOfPeiCallback
+};
/**
Get pointer to CPU MP Data structure.
@@ -55,6 +66,32 @@ SaveCpuMpData ( /**
+/**
+ Notify function on End Of PEI PPI.
+
+ On S3 boot, this function will restore wakeup buffer data.
+ On normal boot, this function will flag wakeup buffer to be un-used type.
+
+ @param[in] PeiServices The pointer to the PEI Services Table.
+ @param[in] NotifyDescriptor Address of the notification descriptor data structure.
+ @param[in] Ppi Address of the PPI that was installed.
+
+ @retval EFI_SUCCESS When everything is OK.
+**/
+EFI_STATUS
+EFIAPI
+CpuMpEndOfPeiCallback (
+ IN EFI_PEI_SERVICES **PeiServices,
+ IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
+ IN VOID *Ppi
+ )
+{
+
+ DEBUG ((DEBUG_INFO, "PeiMpInitLib: CpuMpEndOfPeiCallback () invoked\n"));
+
+ return EFI_SUCCESS;
+}
+/**
Initialize global data for MP support.
@param[in] CpuMpData The pointer to CPU MP Data structure.
@@ -64,8 +101,14 @@ InitMpGlobalData ( IN CPU_MP_DATA *CpuMpData
)
{
+ EFI_STATUS Status;
SaveCpuMpData (CpuMpData);
+ //
+ // Register an event for EndOfPei
+ //
+ Status = PeiServicesNotifyPpi (&mMpInitLibNotifyList);
+ ASSERT_EFI_ERROR (Status);
}
/**
|