diff options
| author | Michael Kinney <michael.d.kinney@intel.com> | 2015-10-19 19:08:11 +0000 |
|---|---|---|
| committer | mdkinney <mdkinney@Edk2> | 2015-10-19 19:08:11 +0000 |
| commit | 1e410eadd80c328e66868263b3006a274ce81ae0 (patch) | |
| tree | 8a1c9f3bb3b1e203c83e3a831d73cf345ba5e9cc /UefiCpuPkg | |
| parent | 944f45ae2f7ecbff2c66622d15d52ffbc3455bfb (diff) | |
| download | edk2-platforms-1e410eadd80c328e66868263b3006a274ce81ae0.tar.xz | |
UefiCpuPkg: CpuDxe: Use PCD for AP detection timeout
Use PcdCpuApInitTimeOutInMicroSeconds instead of hardcoded 100ms for
the time to wait for all APs to respond to first INIT SIPI SIPI
wake request.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Michael Kinney <michael.d.kinney@intel.com>
Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18630 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'UefiCpuPkg')
| -rw-r--r-- | UefiCpuPkg/CpuDxe/ApStartup.c | 4 | ||||
| -rw-r--r-- | UefiCpuPkg/CpuDxe/CpuDxe.inf | 5 |
2 files changed, 5 insertions, 4 deletions
diff --git a/UefiCpuPkg/CpuDxe/ApStartup.c b/UefiCpuPkg/CpuDxe/ApStartup.c index 38a9c0e6ea..78fb26f985 100644 --- a/UefiCpuPkg/CpuDxe/ApStartup.c +++ b/UefiCpuPkg/CpuDxe/ApStartup.c @@ -452,9 +452,9 @@ StartApsStackless ( {
SendInitSipiSipiAllExcludingSelf ((UINT32)(UINTN)(VOID*) StartupCode);
//
- // Wait 100 milliseconds for APs to arrive at the ApEntryPoint routine
+ // Wait for APs to arrive at the ApEntryPoint routine
//
- MicroSecondDelay (100 * 1000);
+ MicroSecondDelay (PcdGet32 (PcdCpuApInitTimeOutInMicroSeconds));
return EFI_SUCCESS;
}
diff --git a/UefiCpuPkg/CpuDxe/CpuDxe.inf b/UefiCpuPkg/CpuDxe/CpuDxe.inf index a251922226..9db5303ae9 100644 --- a/UefiCpuPkg/CpuDxe/CpuDxe.inf +++ b/UefiCpuPkg/CpuDxe/CpuDxe.inf @@ -84,8 +84,9 @@ gEfiSecPlatformInformationPpiGuid ## UNDEFINED # HOB
[Pcd]
- gUefiCpuPkgTokenSpaceGuid.PcdCpuMaxLogicalProcessorNumber ## CONSUMES
- gUefiCpuPkgTokenSpaceGuid.PcdCpuApStackSize ## CONSUMES
+ gUefiCpuPkgTokenSpaceGuid.PcdCpuMaxLogicalProcessorNumber ## CONSUMES
+ gUefiCpuPkgTokenSpaceGuid.PcdCpuApStackSize ## CONSUMES
+ gUefiCpuPkgTokenSpaceGuid.PcdCpuApInitTimeOutInMicroSeconds ## CONSUMES
[Depex]
TRUE
|