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> compile NEMU

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ysyx_22040000 李心杨
Linux calcite 6.6.18 #1-NixOS SMP PREEMPT_DYNAMIC Fri Feb 23 08:25:28 UTC 2024 x86_64 GNU/Linux
 21:48:41  up 2 days  1:17,  2 users,  load average: 0.34, 0.20, 0.15
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tracer-ysyx 2024-03-06 21:48:41 +08:00 committed by xinyangli
parent a9f2d6a56a
commit c92096d729
1 changed files with 8 additions and 8 deletions
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16
nemu/src/isa/riscv32/inst.c
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@ -135,14 +135,14 @@ static int decode_exec(Decode *s) {
INSTPAT("??????? ????? ????? ??? ????? ????? ??", inv , N, INV(s->pc));
// "M"
INSTPAT("0000001 ????? ????? 000 ????? 01100 11", mul, R, R(rd) = src1 * src2);
INSTPAT("0000001 ????? ????? 001 ????? 01100 11", mulh, R, R(rd) = (uint64_t)src1 * (uint64_t)src2 >> 32);
INSTPAT("0000001 ????? ????? 010 ????? 01100 11", mulhsu, R, R(rd) = (int64_t)src1 * (uint64_t)src2 >> 32);
INSTPAT("0000001 ????? ????? 011 ????? 01100 11", mulhu, R, R(rd) = (int64_t)src1 * (int64_t)src2 >> 32);
INSTPAT("0000001 ????? ????? 100 ????? 01100 11", div, R, R(rd) = (sword_t)src1 / (sword_t)src2);
INSTPAT("0000001 ????? ????? 101 ????? 01100 11", divu, R, R(rd) = src1 / src2);
INSTPAT("0000001 ????? ????? 110 ????? 01100 11", rem, R, R(rd) = (sword_t)src1 % (sword_t)src2);
INSTPAT("0000001 ????? ????? 111 ????? 01100 11", remu, R, R(rd) = src1 % src2);
// INSTPAT("0000001 ????? ????? 000 ????? 01100 11", mul, R, R(rd) = src1 * src2);
// INSTPAT("0000001 ????? ????? 001 ????? 01100 11", mulh, R, R(rd) = (uint64_t)src1 * (uint64_t)src2 >> 32);
// INSTPAT("0000001 ????? ????? 010 ????? 01100 11", mulhsu, R, R(rd) = (int64_t)src1 * (uint64_t)src2 >> 32);
// INSTPAT("0000001 ????? ????? 011 ????? 01100 11", mulhu, R, R(rd) = (int64_t)src1 * (int64_t)src2 >> 32);
// INSTPAT("0000001 ????? ????? 100 ????? 01100 11", div, R, R(rd) = (sword_t)src1 / (sword_t)src2);
// INSTPAT("0000001 ????? ????? 101 ????? 01100 11", divu, R, R(rd) = src1 / src2);
// INSTPAT("0000001 ????? ????? 110 ????? 01100 11", rem, R, R(rd) = (sword_t)src1 % (sword_t)src2);
// INSTPAT("0000001 ????? ????? 111 ????? 01100 11", remu, R, R(rd) = src1 % src2);
INSTPAT_END();