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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
 23:27:36  up 1 day  2:55,  2 users,  load average: 0.47, 0.43, 0.34
This commit is contained in:
tracer-ysyx 2024-03-05 23:27:36 +08:00 committed by xinyangli
parent 468558417f
commit e89e18811b
1 changed files with 23 additions and 1 deletions
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24
nemu/src/isa/riscv32/inst.c
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@ -24,7 +24,7 @@
#define Mw vaddr_write
enum {
TYPE_R, TYPE_I, TYPE_U, TYPE_S, TYPE_B, TYPE_J,
TYPE_R, TYPE_I, TYPE_I_SHIFT, TYPE_U, TYPE_S, TYPE_B, TYPE_J,
TYPE_N, // none
};
@ -71,6 +71,7 @@ static int decode_exec(Decode *s) {
INSTPAT_START();
INSTPAT("??????? ????? ????? ??? ????? 01101 11", lui , U, R(rd) = imm);
INSTPAT("??????? ????? ????? ??? ????? 00101 11", auipc , U, R(rd) = s->pc + imm);
INSTPAT("??????? ????? ????? ??? ????? 11011 11", jal , J, do {s->dnpc = s->pc + imm; R(rd) = s->pc + 4; } while(0));
INSTPAT("??????? ????? ????? ??? ????? 11001 11", jalr , I, do {s->dnpc = src1 + imm; R(rd) = s->pc + 4; } while(0));
INSTPAT("??????? ????? ????? 000 ????? 11000 11", beq , B, do_branch(s, src1 == src2, imm));
@ -79,6 +80,7 @@ static int decode_exec(Decode *s) {
INSTPAT("??????? ????? ????? 101 ????? 11000 11", bge , B, do_branch(s, (sword_t)src1 >= (sword_t)src2, imm));
INSTPAT("??????? ????? ????? 110 ????? 11000 11", bltu , B, do_branch(s, src1 < src2, imm));
INSTPAT("??????? ????? ????? 111 ????? 11000 11", bgeu , B, do_branch(s, src1 >= src2, imm));
INSTPAT("??????? ????? ????? 000 ????? 00000 11", lb , I, R(rd) = SEXT(Mr(src1 + imm, 1), 8));
INSTPAT("??????? ????? ????? 001 ????? 00000 11", lh , I, R(rd) = SEXT(Mr(src1 + imm, 2), 16));
INSTPAT("??????? ????? ????? 010 ????? 00000 11", lw , I, R(rd) = SEXT(Mr(src1 + imm, 4), 32));
@ -87,8 +89,28 @@ static int decode_exec(Decode *s) {
INSTPAT("??????? ????? ????? 000 ????? 01000 11", sb , S, Mw(src1 + imm, 1, src2));
INSTPAT("??????? ????? ????? 001 ????? 01000 11", sh , S, Mw(src1 + imm, 2, src2));
INSTPAT("??????? ????? ????? 010 ????? 01000 11", sw , S, Mw(src1 + imm, 4, src2));
INSTPAT("??????? ????? ????? 000 ????? 00100 11", addi , I, R(rd) = src1 + imm);
INSTPAT("??????? ????? ????? 010 ????? 00100 11", slti , I, R(rd) = (sword_t)src1 < (sword_t)imm ? 1 : 0);
INSTPAT("??????? ????? ????? 011 ????? 00100 11", sltiu , I, R(rd) = src1 < imm ? 1 : 0);
INSTPAT("??????? ????? ????? 100 ????? 00100 11", xori , I, R(rd) = src1 ^ imm);
INSTPAT("??????? ????? ????? 110 ????? 00100 11", ori , I, R(rd) = src1 | imm);
INSTPAT("??????? ????? ????? 111 ????? 00100 11", andi , I, R(rd) = src1 & imm);
INSTPAT("0000000 ????? ????? 001 ????? 00100 11", slli , I, R(rd) = src1 << imm);
INSTPAT("0000000 ????? ????? 101 ????? 00100 11", srli , I, R(rd) = src1 >> imm);
INSTPAT("0100000 ????? ????? 101 ????? 00100 11", srai , I, R(rd) = (sword_t)src1 >> (imm & 0x01F));
INSTPAT("0000000 ????? ????? 000 ????? 01100 11", add , R, R(rd) = src1 + src2);
INSTPAT("0100000 ????? ????? 000 ????? 01100 11", sub , R, R(rd) = src1 - src2);
INSTPAT("0000000 ????? ????? 001 ????? 01100 11", sll , R, R(rd) = src1 << src2);
INSTPAT("0000000 ????? ????? 010 ????? 01100 11", slt , R, R(rd) = (sword_t)src1 < (sword_t)src2 ? 1 : 0);
INSTPAT("0000000 ????? ????? 011 ????? 01100 11", sltu , R, R(rd) = src1 < src2 ? 1 : 0);
INSTPAT("0000000 ????? ????? 100 ????? 01100 11", xor , R, R(rd) = src1 ^ src2);
INSTPAT("0000000 ????? ????? 101 ????? 01100 11", srl , R, R(rd) = src1 >> src2);
INSTPAT("0100000 ????? ????? 101 ????? 01100 11", sra , R, R(rd) = (sword_t)src1 >> (src2 & 0x01F));
INSTPAT("0000000 ????? ????? 110 ????? 01100 11", or , R, R(rd) = src1 | src2);
INSTPAT("0000000 ????? ????? 111 ????? 01100 11", and , R, R(rd) = src1 & src2);
INSTPAT("0000000 00001 00000 000 00000 11100 11", ebreak , N, NEMUTRAP(s->pc, R(10))); // R(10) is $a0
INSTPAT("??????? ????? ????? ??? ????? ????? ??", inv , N, INV(s->pc));