Move much closer to new platform-M memory map

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

diff --git a/riscv/encoding.h b/riscv/encoding.h
index c57804d6f78c96835604f1d53451739c8f42de45..56a13c30f2141dd26ece517a45e0ac38351e779e 100644 (file)
--- a/riscv/encoding.h
+++ b/riscv/encoding.h
@@ -67,9 +67,12 @@
 #define IRQ_COP      12
 #define IRQ_HOST     13
 
-#define DEFAULT_RSTVEC 0x0
-#define DEFAULT_NMIVEC 0x4
-#define DEFAULT_MTVEC  0x8
+#define DEFAULT_RSTVEC 0x1000
+#define DEFAULT_NMIVEC 0x1004
+#define CFGSTRING_ADDR 0x100C
+#define DEFAULT_MTVEC  0x1010
+#define IO_BASE  0x40000000
+#define MEM_BASE 0x80000000
 
 // page table entry (PTE) fields
 #define PTE_V     0x001 // Valid
@@ -345,12 +348,18 @@
 #define MASK_LR_D  0xf9f0707f
 #define MATCH_SC_D 0x1800302f
 #define MASK_SC_D  0xf800707f
-#define MATCH_SCALL 0x73
-#define MASK_SCALL  0xffffffff
-#define MATCH_SBREAK 0x100073
-#define MASK_SBREAK  0xffffffff
+#define MATCH_ECALL 0x73
+#define MASK_ECALL  0xffffffff
+#define MATCH_EBREAK 0x100073
+#define MASK_EBREAK  0xffffffff
+#define MATCH_URET 0x200073
+#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_SFENCE_VM 0x10400073
 #define MASK_SFENCE_VM  0xfff07fff
 #define MATCH_WFI 0x10500073
@@ -647,7 +656,6 @@
 #define CSR_MIDELEG 0x303
 #define CSR_MIE 0x304
 #define CSR_MTVEC 0x305
-#define CSR_MTIMECMP 0x321
 #define CSR_MSCRATCH 0x340
 #define CSR_MEPC 0x341
 #define CSR_MCAUSE 0x342
@@ -663,7 +671,6 @@
 #define CSR_MSTIME_DELTA 0x705
 #define CSR_MSINSTRET_DELTA 0x706
 #define CSR_MCYCLE 0xf00
-#define CSR_MTIME 0xf01
 #define CSR_MINSTRET 0xf02
 #define CSR_MISA 0xf10
 #define CSR_MVENDORID 0xf11
@@ -677,7 +684,6 @@
 #define CSR_CYCLEH 0xc80
 #define CSR_TIMEH 0xc81
 #define CSR_INSTRETH 0xc82
-#define CSR_MTIMECMPH 0x361
 #define CSR_MUCYCLE_DELTAH 0x780
 #define CSR_MUTIME_DELTAH 0x781
 #define CSR_MUINSTRET_DELTAH 0x782
@@ -685,7 +691,6 @@
 #define CSR_MSTIME_DELTAH 0x785
 #define CSR_MSINSTRET_DELTAH 0x786
 #define CSR_MCYCLEH 0xf80
-#define CSR_MTIMEH 0xf81
 #define CSR_MINSTRETH 0xf82
 #define CAUSE_MISALIGNED_FETCH 0x0
 #define CAUSE_FAULT_FETCH 0x1
@@ -787,9 +792,12 @@ DECLARE_INSN(amomaxu_d, MATCH_AMOMAXU_D, MASK_AMOMAXU_D)
 DECLARE_INSN(amoswap_d, MATCH_AMOSWAP_D, MASK_AMOSWAP_D)
 DECLARE_INSN(lr_d, MATCH_LR_D, MASK_LR_D)
 DECLARE_INSN(sc_d, MATCH_SC_D, MASK_SC_D)
-DECLARE_INSN(scall, MATCH_SCALL, MASK_SCALL)
-DECLARE_INSN(sbreak, MATCH_SBREAK, MASK_SBREAK)
+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(sfence_vm, MATCH_SFENCE_VM, MASK_SFENCE_VM)
 DECLARE_INSN(wfi, MATCH_WFI, MASK_WFI)
 DECLARE_INSN(csrrw, MATCH_CSRRW, MASK_CSRRW)
@@ -952,7 +960,6 @@ DECLARE_CSR(medeleg, CSR_MEDELEG)
 DECLARE_CSR(mideleg, CSR_MIDELEG)
 DECLARE_CSR(mie, CSR_MIE)
 DECLARE_CSR(mtvec, CSR_MTVEC)
-DECLARE_CSR(mtimecmp, CSR_MTIMECMP)
 DECLARE_CSR(mscratch, CSR_MSCRATCH)
 DECLARE_CSR(mepc, CSR_MEPC)
 DECLARE_CSR(mcause, CSR_MCAUSE)
@@ -968,7 +975,6 @@ DECLARE_CSR(mscycle_delta, CSR_MSCYCLE_DELTA)
 DECLARE_CSR(mstime_delta, CSR_MSTIME_DELTA)
 DECLARE_CSR(msinstret_delta, CSR_MSINSTRET_DELTA)
 DECLARE_CSR(mcycle, CSR_MCYCLE)
-DECLARE_CSR(mtime, CSR_MTIME)
 DECLARE_CSR(minstret, CSR_MINSTRET)
 DECLARE_CSR(misa, CSR_MISA)
 DECLARE_CSR(mvendorid, CSR_MVENDORID)
@@ -982,7 +988,6 @@ DECLARE_CSR(mreset, CSR_MRESET)
 DECLARE_CSR(cycleh, CSR_CYCLEH)
 DECLARE_CSR(timeh, CSR_TIMEH)
 DECLARE_CSR(instreth, CSR_INSTRETH)
-DECLARE_CSR(mtimecmph, CSR_MTIMECMPH)
 DECLARE_CSR(mucycle_deltah, CSR_MUCYCLE_DELTAH)
 DECLARE_CSR(mutime_deltah, CSR_MUTIME_DELTAH)
 DECLARE_CSR(muinstret_deltah, CSR_MUINSTRET_DELTAH)
@@ -990,7 +995,6 @@ DECLARE_CSR(mscycle_deltah, CSR_MSCYCLE_DELTAH)
 DECLARE_CSR(mstime_deltah, CSR_MSTIME_DELTAH)
 DECLARE_CSR(msinstret_deltah, CSR_MSINSTRET_DELTAH)
 DECLARE_CSR(mcycleh, CSR_MCYCLEH)
-DECLARE_CSR(mtimeh, CSR_MTIMEH)
 DECLARE_CSR(minstreth, CSR_MINSTRETH)
 #endif
 #ifdef DECLARE_CAUSE