From 7eb0e2817f8e3e990d00ea9f8106aaf643d9d487 Mon Sep 17 00:00:00 2001 From: tracer-ysyx Date: Wed, 6 Mar 2024 22:49:30 +0800 Subject: [PATCH] =?UTF-8?q?>=20compile=20NEMU=20ysyx=5F22040000=20?= =?UTF-8?q?=E6=9D=8E=E5=BF=83=E6=9D=A8=20Linux=20calcite=206.6.18=20#1-Nix?= =?UTF-8?q?OS=20SMP=20PREEMPT=5FDYNAMIC=20Fri=20Feb=2023=2008:25:28=20UTC?= =?UTF-8?q?=202024=20x86=5F64=20GNU/Linux=20=2022:49:30=20=20up=202=20days?= =?UTF-8?q?=20=202:17,=20=202=20users,=20=20load=20average:=200.60,=200.41?= =?UTF-8?q?,=200.27?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- nemu/src/isa/riscv32/inst.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/nemu/src/isa/riscv32/inst.c b/nemu/src/isa/riscv32/inst.c index 81db1ee..a9f73f3 100644 --- a/nemu/src/isa/riscv32/inst.c +++ b/nemu/src/isa/riscv32/inst.c @@ -116,6 +116,16 @@ static int decode_exec(Decode *s) { 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 00001 00000 000 00000 11100 11", ebreak , N, NEMUTRAP(s->pc, R(10))); // R(10) is $a0 INSTPAT("??????? ????? ????? ??? ????? ????? ??", inv , N, INV(s->pc));