This adds all exception codes in encoding.h.

Signed-off-by: Bin Meng <bmeng...@gmail.com>
---

Changes in v2: None

 arch/riscv/include/asm/encoding.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/riscv/include/asm/encoding.h 
b/arch/riscv/include/asm/encoding.h
index c910d5c..e6d905a 100644
--- a/arch/riscv/include/asm/encoding.h
+++ b/arch/riscv/include/asm/encoding.h
@@ -85,6 +85,21 @@
 #define IRQ_COP                12
 #define IRQ_HOST       13
 
+#define CAUSE_MISALIGNED_FETCH         0
+#define CAUSE_FETCH_ACCESS             1
+#define CAUSE_ILLEGAL_INSTRUCTION      2
+#define CAUSE_BREAKPOINT               3
+#define CAUSE_MISALIGNED_LOAD          4
+#define CAUSE_LOAD_ACCESS              5
+#define CAUSE_MISALIGNED_STORE         6
+#define CAUSE_STORE_ACCESS             7
+#define CAUSE_USER_ECALL               8
+#define CAUSE_SUPERVISOR_ECALL         9
+#define CAUSE_MACHINE_ECALL            11
+#define CAUSE_FETCH_PAGE_FAULT         12
+#define CAUSE_LOAD_PAGE_FAULT          13
+#define CAUSE_STORE_PAGE_FAULT         15
+
 #define DEFAULT_RSTVEC         0x00001000
 #define DEFAULT_NMIVEC         0x00001004
 #define DEFAULT_MTVEC          0x00001010
-- 
2.7.4

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