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MdePkg: Add CSR operation for LoongArch

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Add CsrRead, CsrWrite and CsrXChg functions for LoongArch, and use them
to operate the CSR register of LoongArch architecture.

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4584

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Signed-off-by: Chao Li <lichao@loongson.cn>
Co-authored-by: Bibo Mao <maobibo@loongson.cn>
Acked-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
This commit is contained in:
Chao Li
2023-10-16 11:43:40 +08:00
committed by Liming Gao
parent 414ad233a5
commit 0565a8e885
4 changed files with 550 additions and 0 deletions
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2
MdePkg/Library/BaseLib/BaseLib.inf
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@@ -410,7 +410,9 @@
[Sources.LOONGARCH64]
Math64.c
Unaligned.c
LoongArch64/Csr.c
LoongArch64/InternalSwitchStack.c
LoongArch64/AsmCsr.S | GCC
LoongArch64/GetInterruptState.S | GCC
LoongArch64/EnableInterrupts.S | GCC
LoongArch64/DisableInterrupts.S | GCC