Added some comments for registing LoongArch exceptions. BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4584
Cc: Michael D Kinney <michael.d.kin...@intel.com> Cc: Liming Gao <gaolim...@byosoft.com.cn> Cc: Zhiguang Liu <zhiguang....@intel.com> Signed-off-by: Chao Li <lic...@loongson.cn> Reviewed-by: Liming Gao <gaolim...@byosoft.com.cn> --- MdePkg/Include/Protocol/DebugSupport.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/MdePkg/Include/Protocol/DebugSupport.h b/MdePkg/Include/Protocol/DebugSupport.h index 9742663619..06f99ba7f7 100644 --- a/MdePkg/Include/Protocol/DebugSupport.h +++ b/MdePkg/Include/Protocol/DebugSupport.h @@ -683,6 +683,20 @@ typedef struct { // // LoongArch processor exception types. // +// The exception types is located in the CSR ESTAT +// register offset 16 bits, width 6 bits. +// +// If you want to register an exception hook, you can +// shfit the number left by 16 bits, and the exception +// handler will know the types. +// +// For example: +// mCpu->CpuRegisterInterruptHandler ( +// mCpu, +// (EXCEPT_LOONGARCH_PPI << CSR_ESTAT_EXC_SHIFT), +// PpiExceptionHandler +// ); +// #define EXCEPT_LOONGARCH_INT 0 #define EXCEPT_LOONGARCH_PIL 1 #define EXCEPT_LOONGARCH_PIS 2 -- 2.27.0 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#113663): https://edk2.groups.io/g/devel/message/113663 Mute This Topic: https://groups.io/mt/103679443/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-