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| author | Gerd Hoffmann <kraxel@redhat.com> | 2024-02-22 17:01:02 +0100 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2024-02-26 21:56:21 +0000 |
| commit | b48523046283e8ef670b5d2b9f53de6855f7d3bf (patch) | |
| tree | b14e56f1092b6765c0ec888a6c17fd525ff45ed4 | |
| parent | a3ee1eea96752cf2d4e0f70310facc109b7c4352 (diff) | |
| download | edk2-b48523046283e8ef670b5d2b9f53de6855f7d3bf.tar.gz edk2-b48523046283e8ef670b5d2b9f53de6855f7d3bf.tar.bz2 edk2-b48523046283e8ef670b5d2b9f53de6855f7d3bf.zip | |
UefiCpuPkg/MpInitLib: Add support for multiple HOBs to GetBspNumber()
Rename the MpHandOff parameter to FirstMpHandOff. Add a loop so the
function inspects all HOBs present in the system.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20240222160106.686484-3-kraxel@redhat.com>
| -rw-r--r-- | UefiCpuPkg/Library/MpInitLib/MpLib.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c b/UefiCpuPkg/Library/MpInitLib/MpLib.c index 16fc7dc066..76449f73f4 100644 --- a/UefiCpuPkg/Library/MpInitLib/MpLib.c +++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c @@ -1894,26 +1894,33 @@ CheckAllAPs ( /**
This function Get BspNumber.
- @param[in] MpHandOff Pointer to MpHandOff
+ @param[in] FirstMpHandOff Pointer to first MpHandOff HOB body.
@return BspNumber
**/
UINT32
GetBspNumber (
- IN CONST MP_HAND_OFF *MpHandOff
+ IN CONST MP_HAND_OFF *FirstMpHandOff
)
{
- UINT32 ApicId;
- UINT32 BspNumber;
- UINT32 Index;
+ UINT32 ApicId;
+ UINT32 BspNumber;
+ UINT32 Index;
+ CONST MP_HAND_OFF *MpHandOff;
//
// Get the processor number for the BSP
//
BspNumber = MAX_UINT32;
ApicId = GetInitialApicId ();
- for (Index = 0; Index < MpHandOff->CpuCount; Index++) {
- if (MpHandOff->Info[Index].ApicId == ApicId) {
- BspNumber = Index;
+
+ for (MpHandOff = FirstMpHandOff;
+ MpHandOff != NULL;
+ MpHandOff = GetNextMpHandOffHob (MpHandOff))
+ {
+ for (Index = 0; Index < MpHandOff->CpuCount; Index++) {
+ if (MpHandOff->Info[Index].ApicId == ApicId) {
+ BspNumber = MpHandOff->ProcessorIndex + Index;
+ }
}
}
|