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pa2.2: nemu small fixes

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This commit is contained in:
xinyangli 2024-03-25 17:02:12 +08:00
parent da0c42422d
commit 8545a92c1f
Signed by: xin
SSH key fingerprint: SHA256:qZ/tzd8lYRtUFSrfBDBMcUqV4GHKxqeqRA3huItgvbk
7 changed files with 11 additions and 4 deletions
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0
nemu/.result.tmp
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4
nemu/default.nix
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@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
doCheck = true;
checkPhase = ''
export IMAGES_PATH=${am-kernels}/share/images
export IMAGES_PATH=${am-kernels}/share/binary
make test
'';
@ -49,7 +49,7 @@ stdenv.mkDerivation rec {
shellHook = ''
export NEMU_HOME=$(pwd)
export IMAGES_PATH=${am-kernels}/share/images
export IMAGES_PATH=${am-kernels}/share/binary
'';
meta = with lib; {

1
nemu/include/debug.h
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@ -18,6 +18,7 @@
#include <stdio.h>
#include <utils.h>
#include <macro.h>
IFDEF(CONFIG_ITRACE, void log_itrace_print());

2
nemu/src/isa/riscv32/inst.c
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@ -62,6 +62,7 @@ static void do_branch(Decode *s, bool condition, word_t offset) {
}
}
#ifdef CONFIG_FTRACE
static void ftrace_jalr(Decode *s, int rd, vaddr_t dst) {
uint32_t i = s->isa.inst.val;
int rs1 = BITS(i, 19, 15);
@ -71,6 +72,7 @@ static void ftrace_jalr(Decode *s, int rd, vaddr_t dst) {
ftrace_call(s->pc, dst);
}
}
#endif
static int decode_exec(Decode *s) {
int rd = 0;

4
nemu/src/monitor/monitor.c
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@ -133,8 +133,12 @@ void init_monitor(int argc, char *argv[]) {
// printf("elf_file: %s\n", elf_file);
if(elf_file != NULL) {
#ifdef CONFIG_FTRACE
void init_elf(const char *path);
init_elf(elf_file);
#else
Warning("Elf file provided, but ftrace not turned on. Ignoring elf file.");
#endif
}
#ifndef CONFIG_ISA_loongarch32r

2
nemu/src/utils/ftrace.c
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@ -10,7 +10,6 @@ static vaddr_t ftrace_stack[CONFIG_FTRACE_STACK_SIZE] = {0};
static vaddr_t ftrace_stack_len = 0;
func_t *func_table = NULL;
int func_table_len = 0, func_table_size = 8;
#endif
static int cmp_func_t(const void *a, const void *b) {
return ((func_t *)a)->start > ((func_t *)b)->start;
@ -122,3 +121,4 @@ void ftrace_return(vaddr_t pc, vaddr_t addr) {
Trace("%*s0x%x ret 0x%x <%s+0x%x>", ftrace_stack_len, "", pc, addr,
f == NULL ? "???" : f->name, addr - f->start);
}
#endif