diff options
| -rw-r--r-- | MdePkg/Include/Protocol/DebugSupport.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/MdePkg/Include/Protocol/DebugSupport.h b/MdePkg/Include/Protocol/DebugSupport.h index 9742663..06f99ba 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
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