Commit Graph

5 Commits

Author SHA1 Message Date
Chao Li
fc215474c4 UefiCpuPkg: Enable the IPI vectors on LoongArch
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Since the LoongArch AP boot SPEC is published, it can identify which IPI
by vector. Added IPI vector logic and enabled them.

Signed-off-by: Chao Li <lichao@loongson.cn>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Jiaxin Wu <jiaxin.wu@intel.com>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Cc: Dun Tan <dun.tan@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Dongyan Qian <qiandongyan@loongson.cn>
Cc: Xiangdong Meng <mengxiangdong@loongson.cn>
2025-05-09 09:03:02 +08:00
Chao Li
7cea938ac5 UefiCpuPkg: Fix a bug about MP init on LoongArch
If the AP wakes up out of order for the 1st time, and the data in the
HOB is also out of order, then there will be a issue: if the big number
core wakes up before the small number core, the big number core will
modify the APIC number in the CpuMpData, which will cause the small
number core can not be wake up. Using the APIC number from the HOB to
wake up the APs can fix it.

Signed-off-by: Chao Li <lichao@loongson.cn>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Jiaxin Wu <jiaxin.wu@intel.com>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Cc: Dun Tan <dun.tan@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Dongyan Qian <qiandongyan@loongson.cn>
Cc: Xiangdong Meng <mengxiangdong@loongson.cn>
2025-05-09 09:03:02 +08:00
Chao Li
2fe24171ac UefiCpuPkg: Using the new name of LoongArch CSR 0x20 register
Since the LoongArch SPEC has adjusted the CSR 0x20 register name and
the MdePkg also added the new name, so enable it in UefiCpuPkg.

Cc: Ray Ni <ray.ni@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Jiaxin Wu <jiaxin.wu@intel.com>
Signed-off-by: Chao Li <lichao@loongson.cn>
2024-08-30 19:54:01 +00:00
Dongyan Qian
556640bcea UefiCpuPkg/MpInitLib: Reduce compiler dependencies for LoongArch
Structure assignment may depend on the compiler to expand to memcpy.
For this, we may need to add -mno-memcpy to the compilation flag.
Here, we reduce dependencies and use CopyMem for data conversion without
memcpy.

Cc: Ray Ni <ray.ni@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Jiaxin Wu <jiaxin.wu@intel.com>
Cc: Chao Li <lichao@loongson.cn>
Signed-off-by: Dongyan Qian <qiandongyan@loongson.cn>
Co-authored-by: Chao Li <lichao@loongson.cn>
2024-07-25 06:17:09 +00:00
Chao Li
abaf405ed9 UefiCpuPkg: Add multiprocessor library for LoongArch64
Added LoongArch multiprocessor initialization instance into MpInitLib.

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4734

Cc: Ray Ni <ray.ni@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Chao Li <lichao@loongson.cn>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
2024-04-16 06:00:32 +00:00