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> compile NEMU

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ysyx_22040000 李心杨
Linux calcite 6.1.69 #1-NixOS SMP PREEMPT_DYNAMIC Wed Dec 20 16:00:29 UTC 2023 x86_64 GNU/Linux
 18:12:27  up 3 days 17:13,  2 users,  load average: 1.49, 0.98, 0.75
This commit is contained in:
tracer-ysyx 2024-01-11 18:12:27 +08:00 committed by xinyangli
parent cd677498e8
commit 25a52d7fca
1 changed files with 24 additions and 5 deletions
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29
nemu/src/monitor/sdb/sdb.c
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@ -17,7 +17,6 @@
#include <cpu/cpu.h> #include <cpu/cpu.h>
#include <readline/readline.h> #include <readline/readline.h>
#include <readline/history.h> #include <readline/history.h>
#include <getopt.h>
#include "sdb.h" #include "sdb.h"
static int is_batch_mode = false; static int is_batch_mode = false;
@ -54,8 +53,31 @@ static int cmd_q(char *args) {
return -1; return -1;
} }
/* Single stepping
* <step>: execute <step> step
*/
static int cmd_si(char *args) { static int cmd_si(char *args) {
printf("%s", args); char *arg = strtok(args, " ");
if (arg == NULL) {
cpu_exec(1);
} else {
int base = 10;
int length = strlen(arg);
if (length > 2) {
if (arg[0] == '0' && (arg[1] == 'b' || arg[1] == 'B')) {
base = 2; arg = arg + 2;
} else if (arg[0] == '0' && (arg[1] == 'x' || arg[1] == 'X')) {
base = 16; arg = arg + 2;
}
}
int n = strtoumax(arg, NULL, base);
if (n == UINTMAX_MAX) {
printf("Invalid argument for command si: %s\n", args);
return 0;
} else {
cpu_exec(n);
}
}
return 0; return 0;
} }
@ -70,9 +92,6 @@ static struct {
{ "c", "Continue the execution of the program", cmd_c }, { "c", "Continue the execution of the program", cmd_c },
{ "q", "Exit NEMU", cmd_q }, { "q", "Exit NEMU", cmd_q },
{ "si", "Single step [n] step", cmd_si }, { "si", "Single step [n] step", cmd_si },
/* TODO: Add more commands */
}; };
#define NR_CMD ARRLEN(cmd_table) #define NR_CMD ARRLEN(cmd_table)