xin/ysyx-workbench
1
0
Fork 0
Code Issues Pull requests 1 Projects Releases Packages Wiki Activity Actions

> compile NEMU

Browse source 
ysyx_22040000 李心杨
Linux calcite 6.6.19 #1-NixOS SMP PREEMPT_DYNAMIC Fri Mar  1 12:35:11 UTC 2024 x86_64 GNU/Linux
 18:47:11  up   5:53,  2 users,  load average: 0.48, 0.46, 0.46
This commit is contained in:
tracer-ysyx 2024-03-20 18:47:11 +08:00 committed by xinyangli
parent bcf8ec87ca
commit 8988980966
3 changed files with 7 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
nemu/include/ftrace.h
View file

@ -10,8 +10,8 @@ typedef struct {
} func_t;
extern func_t *func_table;
void ftrace_call(vaddr_t);
void ftrace_return(vaddr_t);
void ftrace_call(vaddr_t, vaddr_t);
void ftrace_return(vaddr_t, vaddr_t);
// const char *get_func_name(vaddr_t addr);
#endif

6
nemu/src/isa/riscv32/inst.c
View file

@ -64,9 +64,9 @@ static void ftrace(Decode *s, int rd, vaddr_t dst) {
uint32_t i = s->isa.inst.val;
int rs1 = BITS(i, 19, 15);
if(rs1 == 1 && rd == 0) {
ftrace_return(dst);
ftrace_return(s->pc, dst);
} else {
ftrace_call(dst);
ftrace_call(s->pc, dst);
}
}
@ -85,7 +85,7 @@ static int decode_exec(Decode *s) {
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; ftrace_call(s->pc + imm); } while(0));
INSTPAT("??????? ????? ????? ??? ????? 11011 11", jal , J, do {s->dnpc = s->pc + imm; R(rd) = s->pc + 4; ftrace_call(s->pc, s->pc + imm); } while(0));
INSTPAT("??????? ????? ????? ??? ????? 11001 11", jalr , I, do {s->dnpc = src1 + imm; R(rd) = s->pc + 4; ftrace(s, rd, src1 + imm); } while(0));
INSTPAT("??????? ????? ????? 000 ????? 11000 11", beq , B, do_branch(s, src1 == src2, imm));
INSTPAT("??????? ????? ????? 001 ????? 11000 11", bne , B, do_branch(s, src1 != src2, imm));

4
nemu/src/utils/ftrace.c
View file

@ -99,11 +99,11 @@ failed_nosym:
return;
}
void ftrace_call(vaddr_t addr) {
void ftrace_call(vaddr_t pc, vaddr_t addr) {
printf("[FTRACE] call [%s@0x%x]\n", get_func_name(addr), addr);
}
void ftrace_return(vaddr_t addr) {
void ftrace_return(vaddr_t pc, vaddr_t addr) {
printf("[FTRACE] ret [%s@0x%x]\n", get_func_name(addr), addr);
}