Remove hret instruction

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

diff --git a/riscv/encoding.h b/riscv/encoding.h
index 60ee674822724800fdf702be2f4f76e65e03de62..92106ab8b183556c63741c6cf18a40b3b691578e 100644 (file)
--- a/riscv/encoding.h
+++ b/riscv/encoding.h
@@ -124,6 +124,17 @@
 #define SPTBR_MODE_SV57 10
 #define SPTBR_MODE_SV64 11
 
+#define PMP_R     0x01
+#define PMP_W     0x02
+#define PMP_X     0x04
+#define PMP_A     0x18
+#define PMP_L     0x80
+#define PMP_SHIFT 2
+
+#define PMP_TOR   0x08
+#define PMP_NA4   0x10
+#define PMP_NAPOT 0x18
+
 #define IRQ_S_SOFT   1
 #define IRQ_H_SOFT   2
 #define IRQ_M_SOFT   3
@@ -137,9 +148,8 @@
 #define IRQ_HOST     13
 
 #define DEFAULT_RSTVEC     0x00001000
-#define DEFAULT_NMIVEC     0x00001004
-#define DEFAULT_MTVEC      0x00001010
-#define CONFIG_STRING_ADDR 0x0000100C
+#define CLINT_BASE         0x02000000
+#define CLINT_SIZE         0x000c0000
 #define EXT_IO_BASE        0x40000000
 #define DRAM_BASE          0x80000000
 
@@ -391,8 +401,6 @@
 #define MASK_URET  0xffffffff
 #define MATCH_SRET 0x10200073
 #define MASK_SRET  0xffffffff
-#define MATCH_HRET 0x20200073
-#define MASK_HRET  0xffffffff
 #define MATCH_MRET 0x30200073
 #define MASK_MRET  0xffffffff
 #define MATCH_DRET 0x7b200073
@@ -949,17 +957,20 @@
 #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)
@@ -1052,7 +1063,6 @@ DECLARE_INSN(ecall, MATCH_ECALL, MASK_ECALL)
 DECLARE_INSN(ebreak, MATCH_EBREAK, MASK_EBREAK)
 DECLARE_INSN(uret, MATCH_URET, MASK_URET)
 DECLARE_INSN(sret, MATCH_SRET, MASK_SRET)
-DECLARE_INSN(hret, MATCH_HRET, MASK_HRET)
 DECLARE_INSN(mret, MATCH_MRET, MASK_MRET)
 DECLARE_INSN(dret, MATCH_DRET, MASK_DRET)
 DECLARE_INSN(sfence_vma, MATCH_SFENCE_VMA, MASK_SFENCE_VMA)
@@ -1441,15 +1451,18 @@ 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