Separate page faults from physical memory access exceptions

[riscv-isa-sim.git] / riscv / encoding.h

diff --git a/riscv/encoding.h b/riscv/encoding.h
index a7066b7bf7e723123663541cd39ecb483c13ccff..b07d976556aaa4a237299de74d5652ac0a91ff7d 100644 (file)
--- a/riscv/encoding.h
+++ b/riscv/encoding.h
@@ -958,17 +958,20 @@
 #define CSR_MHPMCOUNTER30H 0xb9e
 #define CSR_MHPMCOUNTER31H 0xb9f
 #define CAUSE_MISALIGNED_FETCH 0x0
-#define CAUSE_FAULT_FETCH 0x1
+#define CAUSE_FETCH_ACCESS 0x1
 #define CAUSE_ILLEGAL_INSTRUCTION 0x2
 #define CAUSE_BREAKPOINT 0x3
 #define CAUSE_MISALIGNED_LOAD 0x4
-#define CAUSE_FAULT_LOAD 0x5
+#define CAUSE_LOAD_ACCESS 0x5
 #define CAUSE_MISALIGNED_STORE 0x6
-#define CAUSE_FAULT_STORE 0x7
+#define CAUSE_STORE_ACCESS 0x7
 #define CAUSE_USER_ECALL 0x8
 #define CAUSE_SUPERVISOR_ECALL 0x9
 #define CAUSE_HYPERVISOR_ECALL 0xa
 #define CAUSE_MACHINE_ECALL 0xb
+#define CAUSE_FETCH_PAGE_FAULT 0xc
+#define CAUSE_LOAD_PAGE_FAULT 0xd
+#define CAUSE_STORE_PAGE_FAULT 0xf
 #endif
 #ifdef DECLARE_INSN
 DECLARE_INSN(beq, MATCH_BEQ, MASK_BEQ)
@@ -1450,15 +1453,18 @@ DECLARE_CSR(mhpmcounter31h, CSR_MHPMCOUNTER31H)
 #endif
 #ifdef DECLARE_CAUSE
 DECLARE_CAUSE("misaligned fetch", CAUSE_MISALIGNED_FETCH)
-DECLARE_CAUSE("fault fetch", CAUSE_FAULT_FETCH)
+DECLARE_CAUSE("fetch access", CAUSE_FETCH_ACCESS)
 DECLARE_CAUSE("illegal instruction", CAUSE_ILLEGAL_INSTRUCTION)
 DECLARE_CAUSE("breakpoint", CAUSE_BREAKPOINT)
 DECLARE_CAUSE("misaligned load", CAUSE_MISALIGNED_LOAD)
-DECLARE_CAUSE("fault load", CAUSE_FAULT_LOAD)
+DECLARE_CAUSE("load access", CAUSE_LOAD_ACCESS)
 DECLARE_CAUSE("misaligned store", CAUSE_MISALIGNED_STORE)
-DECLARE_CAUSE("fault store", CAUSE_FAULT_STORE)
+DECLARE_CAUSE("store access", CAUSE_STORE_ACCESS)
 DECLARE_CAUSE("user_ecall", CAUSE_USER_ECALL)
 DECLARE_CAUSE("supervisor_ecall", CAUSE_SUPERVISOR_ECALL)
 DECLARE_CAUSE("hypervisor_ecall", CAUSE_HYPERVISOR_ECALL)
 DECLARE_CAUSE("machine_ecall", CAUSE_MACHINE_ECALL)
+DECLARE_CAUSE("fetch page fault", CAUSE_FETCH_PAGE_FAULT)
+DECLARE_CAUSE("load page fault", CAUSE_LOAD_PAGE_FAULT)
+DECLARE_CAUSE("store page fault", CAUSE_STORE_PAGE_FAULT)
 #endif