Reviewed-by: Ray Ni <ray...@intel.com>
Thanks,
Ray
> -----Original Message-----
> From: Gerd Hoffmann <kra...@redhat.com>
> Sent: Wednesday, February 21, 2024 1:50 AM
> To: devel@edk2.groups.io
> Cc: Oliver Steffen <ostef...@redhat.com>; Laszlo Ersek
> <ler...@redhat.com>; Kumar, Rahul R <rahul.r.ku...@intel.com>; Ni, Ray
> <ray...@intel.com>; Gerd Hoffmann <kra...@redhat.com>
> Subject: [PATCH v2 2/5] 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 <kra...@redhat.com>
> ---
> UefiCpuPkg/Library/MpInitLib/MpLib.c | 23 +++++++++++++++--------
> 1 file changed, 15 insertions(+), 8 deletions(-)
>
> diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c
> b/UefiCpuPkg/Library/MpInitLib/MpLib.c
> index e764bc9e4228..8f198ff6d817 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.
> @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;
> + }
> }
> }
>
> --
> 2.43.2
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