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> compile NEMU

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221220000 张三
Linux zzy 5.15.146.1-microsoft-standard-WSL2 #1 SMP Thu Jan 11 04:09:03 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
 22:14:38 up 4 days, 17:20,  1 user,  load average: 0.72, 0.70, 0.61
This commit is contained in:
tracer-ics2023
2024-09-21 22:14:39 +08:00
committed by zzy
parent 2c76c941c1
commit 5e00c60268
2 changed files with 2 additions and 2 deletions
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2
nemu/src/isa/riscv32/inst.c
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@ -137,7 +137,7 @@ static int decode_exec(Decode *s) {
// INSTPAT("??????? ????? ????? 111 ????? 11100 11", csrrci , I, );
// INSTPAT("0001000 00010 00000 000 00000 11100 11", sret , R, );
INSTPAT("0011000 00010 00000 000 00000 11100 11", mret , R, s->dnpc = C(MEPC) + 4);
INSTPAT("0011000 00010 00000 000 00000 11100 11", mret , R, s->dnpc = C(MEPC));
INSTPAT("??????? ????? ????? ??? ????? ????? ??", inv , N, INV(s->pc));
INSTPAT_END();

2
nemu/src/isa/riscv32/local-include/reg.h
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@ -26,7 +26,7 @@ static inline int check_reg_idx(int idx) {
#define gpr(idx) (cpu.gpr[check_reg_idx(idx)])
enum {
MSTATUS = 0x300, // Machine status register.
// MSTATUS = 0x300, // Machine status register.
MTVEC = 0x305, // Machine trap-handler base address.
MEPC = 0x341, // Machine exception program counter.
MCAUSE = 0x342, // Machine trap cause.