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monitor.c
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monitor.c
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/*
* QEMU monitor
*
* Copyright (c) 2003-2004 Fabrice Bellard
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "vl.h"
#include "disas.h"
#include <dirent.h>
//#define DEBUG
//#define DEBUG_COMPLETION
#ifndef offsetof
#define offsetof(type, field) ((size_t) &((type *)0)->field)
#endif
/*
* Supported types:
*
* 'F' filename
* 'B' block device name
* 's' string (accept optional quote)
* 'i' 32 bit integer
* 'l' target long (32 or 64 bit)
* '/' optional gdb-like print format (like "/10x")
*
* '?' optional type (for 'F', 's' and 'i')
*
*/
typedef struct term_cmd_t {
const char *name;
const char *args_type;
void (*handler)();
const char *params;
const char *help;
} term_cmd_t;
#define MAX_MON 4
static CharDriverState *monitor_hd[MAX_MON];
static int hide_banner;
static term_cmd_t term_cmds[];
static term_cmd_t info_cmds[];
static char term_outbuf[1024];
static int term_outbuf_index;
static void monitor_start_input(void);
CPUState *mon_cpu = NULL;
void term_flush(void)
{
int i;
if (term_outbuf_index > 0) {
for (i = 0; i < MAX_MON; i++)
if (monitor_hd[i] && monitor_hd[i]->focus == 0)
qemu_chr_write(monitor_hd[i], term_outbuf, term_outbuf_index);
term_outbuf_index = 0;
}
}
/* flush at every end of line or if the buffer is full */
void term_puts(const char *str)
{
int c;
for(;;) {
c = *str++;
if (c == '\0')
break;
if (c == '\n')
term_outbuf[term_outbuf_index++] = '\r';
term_outbuf[term_outbuf_index++] = c;
if (term_outbuf_index >= (sizeof(term_outbuf) - 1) ||
c == '\n')
term_flush();
}
}
void term_vprintf(const char *fmt, va_list ap)
{
char buf[4096];
vsnprintf(buf, sizeof(buf), fmt, ap);
term_puts(buf);
}
void term_printf(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
term_vprintf(fmt, ap);
va_end(ap);
}
void term_print_filename(const char *filename)
{
int i;
for (i = 0; filename[i]; i++) {
switch (filename[i]) {
case ' ':
case '"':
case '\\':
term_printf("\\%c", filename[i]);
break;
case '\t':
term_printf("\\t");
break;
case '\r':
term_printf("\\r");
break;
case '\n':
term_printf("\\n");
break;
default:
term_printf("%c", filename[i]);
break;
}
}
}
static int monitor_fprintf(FILE *stream, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
term_vprintf(fmt, ap);
va_end(ap);
return 0;
}
static int compare_cmd(const char *name, const char *list)
{
const char *p, *pstart;
int len;
len = strlen(name);
p = list;
for(;;) {
pstart = p;
p = strchr(p, '|');
if (!p)
p = pstart + strlen(pstart);
if ((p - pstart) == len && !memcmp(pstart, name, len))
return 1;
if (*p == '\0')
break;
p++;
}
return 0;
}
static void help_cmd1(term_cmd_t *cmds, const char *prefix, const char *name)
{
term_cmd_t *cmd;
for(cmd = cmds; cmd->name != NULL; cmd++) {
if (!name || !strcmp(name, cmd->name))
term_printf("%s%s %s -- %s\n", prefix, cmd->name, cmd->params, cmd->help);
}
}
static void help_cmd(const char *name)
{
if (name && !strcmp(name, "info")) {
help_cmd1(info_cmds, "info ", NULL);
} else {
help_cmd1(term_cmds, "", name);
if (name && !strcmp(name, "log")) {
CPULogItem *item;
term_printf("Log items (comma separated):\n");
term_printf("%-10s %s\n", "none", "remove all logs");
for(item = cpu_log_items; item->mask != 0; item++) {
term_printf("%-10s %s\n", item->name, item->help);
}
}
}
}
static void do_help(const char *name)
{
help_cmd(name);
}
static void do_commit(const char *device)
{
int i, all_devices;
all_devices = !strcmp(device, "all");
for (i = 0; i < MAX_DISKS; i++) {
if (bs_table[i]) {
if (all_devices ||
!strcmp(bdrv_get_device_name(bs_table[i]), device))
bdrv_commit(bs_table[i]);
}
}
}
static void do_info(const char *item)
{
term_cmd_t *cmd;
if (!item)
goto help;
for(cmd = info_cmds; cmd->name != NULL; cmd++) {
if (compare_cmd(item, cmd->name))
goto found;
}
help:
help_cmd("info");
return;
found:
cmd->handler();
}
static void do_info_version(void)
{
term_printf("%s\n", QEMU_VERSION);
}
static void do_info_name(void)
{
if (qemu_name)
term_printf("%s\n", qemu_name);
}
static void do_info_block(void)
{
bdrv_info();
}
/* get the current CPU defined by the user */
int mon_set_cpu(int cpu_index)
{
CPUState *env;
for(env = first_cpu; env != NULL; env = env->next_cpu) {
if (env->cpu_index == cpu_index) {
mon_cpu = env;
return 0;
}
}
return -1;
}
CPUState *mon_get_cpu(void)
{
if (!mon_cpu) {
mon_set_cpu(0);
}
return mon_cpu;
}
static void do_info_registers(void)
{
CPUState *env;
env = mon_get_cpu();
if (!env)
return;
#ifdef TARGET_I386
cpu_dump_state(env, NULL, monitor_fprintf,
X86_DUMP_FPU);
#else
cpu_dump_state(env, NULL, monitor_fprintf,
0);
#endif
}
static void do_info_cpus(void)
{
CPUState *env;
/* just to set the default cpu if not already done */
mon_get_cpu();
for(env = first_cpu; env != NULL; env = env->next_cpu) {
term_printf("%c CPU #%d:",
(env == mon_cpu) ? '*' : ' ',
env->cpu_index);
#if defined(TARGET_I386)
term_printf(" pc=0x" TARGET_FMT_lx, env->eip + env->segs[R_CS].base);
if (env->hflags & HF_HALTED_MASK)
term_printf(" (halted)");
#elif defined(TARGET_PPC)
term_printf(" nip=0x" TARGET_FMT_lx, env->nip);
if (env->halted)
term_printf(" (halted)");
#elif defined(TARGET_SPARC)
term_printf(" pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx, env->pc, env->npc);
if (env->halted)
term_printf(" (halted)");
#endif
term_printf("\n");
}
}
static void do_cpu_set(int index)
{
if (mon_set_cpu(index) < 0)
term_printf("Invalid CPU index\n");
}
static void do_info_jit(void)
{
dump_exec_info(NULL, monitor_fprintf);
}
static void do_info_history (void)
{
int i;
const char *str;
i = 0;
for(;;) {
str = readline_get_history(i);
if (!str)
break;
term_printf("%d: '%s'\n", i, str);
i++;
}
}
#if defined(TARGET_PPC)
/* XXX: not implemented in other targets */
static void do_info_cpu_stats (void)
{
CPUState *env;
env = mon_get_cpu();
cpu_dump_statistics(env, NULL, &monitor_fprintf, 0);
}
#endif
static void do_quit(void)
{
exit(0);
}
static int eject_device(BlockDriverState *bs, int force)
{
if (bdrv_is_inserted(bs)) {
if (!force) {
if (!bdrv_is_removable(bs)) {
term_printf("device is not removable\n");
return -1;
}
if (bdrv_is_locked(bs)) {
term_printf("device is locked\n");
return -1;
}
}
bdrv_close(bs);
}
return 0;
}
static void do_eject(int force, const char *filename)
{
BlockDriverState *bs;
bs = bdrv_find(filename);
if (!bs) {
term_printf("device not found\n");
return;
}
eject_device(bs, force);
}
static void do_change(const char *device, const char *filename)
{
BlockDriverState *bs;
int i;
char password[256];
bs = bdrv_find(device);
if (!bs) {
term_printf("device not found\n");
return;
}
if (eject_device(bs, 0) < 0)
return;
bdrv_open(bs, filename, 0);
if (bdrv_is_encrypted(bs)) {
term_printf("%s is encrypted.\n", device);
for(i = 0; i < 3; i++) {
monitor_readline("Password: ", 1, password, sizeof(password));
if (bdrv_set_key(bs, password) == 0)
break;
term_printf("invalid password\n");
}
}
}
static void do_screen_dump(const char *filename)
{
vga_hw_screen_dump(filename);
}
static void do_log(const char *items)
{
int mask;
if (!strcmp(items, "none")) {
mask = 0;
} else {
mask = cpu_str_to_log_mask(items);
if (!mask) {
help_cmd("log");
return;
}
}
cpu_set_log(mask);
}
static void do_stop(void)
{
vm_stop(EXCP_INTERRUPT);
}
static void do_cont(void)
{
vm_start();
}
#ifdef CONFIG_GDBSTUB
static void do_gdbserver(const char *port)
{
if (!port)
port = DEFAULT_GDBSTUB_PORT;
if (gdbserver_start(port) < 0) {
qemu_printf("Could not open gdbserver socket on port '%s'\n", port);
} else {
qemu_printf("Waiting gdb connection on port '%s'\n", port);
}
}
#endif
static void term_printc(int c)
{
term_printf("'");
switch(c) {
case '\'':
term_printf("\\'");
break;
case '\\':
term_printf("\\\\");
break;
case '\n':
term_printf("\\n");
break;
case '\r':
term_printf("\\r");
break;
default:
if (c >= 32 && c <= 126) {
term_printf("%c", c);
} else {
term_printf("\\x%02x", c);
}
break;
}
term_printf("'");
}
static void memory_dump(int count, int format, int wsize,
target_ulong addr, int is_physical)
{
CPUState *env;
int nb_per_line, l, line_size, i, max_digits, len;
uint8_t buf[16];
uint64_t v;
if (format == 'i') {
int flags;
flags = 0;
env = mon_get_cpu();
if (!env && !is_physical)
return;
#ifdef TARGET_I386
if (wsize == 2) {
flags = 1;
} else if (wsize == 4) {
flags = 0;
} else {
/* as default we use the current CS size */
flags = 0;
if (env) {
#ifdef TARGET_X86_64
if ((env->efer & MSR_EFER_LMA) &&
(env->segs[R_CS].flags & DESC_L_MASK))
flags = 2;
else
#endif
if (!(env->segs[R_CS].flags & DESC_B_MASK))
flags = 1;
}
}
#endif
monitor_disas(env, addr, count, is_physical, flags);
return;
}
len = wsize * count;
if (wsize == 1)
line_size = 8;
else
line_size = 16;
nb_per_line = line_size / wsize;
max_digits = 0;
switch(format) {
case 'o':
max_digits = (wsize * 8 + 2) / 3;
break;
default:
case 'x':
max_digits = (wsize * 8) / 4;
break;
case 'u':
case 'd':
max_digits = (wsize * 8 * 10 + 32) / 33;
break;
case 'c':
wsize = 1;
break;
}
while (len > 0) {
term_printf(TARGET_FMT_lx ":", addr);
l = len;
if (l > line_size)
l = line_size;
if (is_physical) {
cpu_physical_memory_rw(addr, buf, l, 0);
} else {
env = mon_get_cpu();
if (!env)
break;
cpu_memory_rw_debug(env, addr, buf, l, 0);
}
i = 0;
while (i < l) {
switch(wsize) {
default:
case 1:
v = ldub_raw(buf + i);
break;
case 2:
v = lduw_raw(buf + i);
break;
case 4:
v = (uint32_t)ldl_raw(buf + i);
break;
case 8:
v = ldq_raw(buf + i);
break;
}
term_printf(" ");
switch(format) {
case 'o':
term_printf("%#*" PRIo64, max_digits, v);
break;
case 'x':
term_printf("0x%0*" PRIx64, max_digits, v);
break;
case 'u':
term_printf("%*" PRIu64, max_digits, v);
break;
case 'd':
term_printf("%*" PRId64, max_digits, v);
break;
case 'c':
term_printc(v);
break;
}
i += wsize;
}
term_printf("\n");
addr += l;
len -= l;
}
}
#if TARGET_LONG_BITS == 64
#define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
#else
#define GET_TLONG(h, l) (l)
#endif
static void do_memory_dump(int count, int format, int size,
uint32_t addrh, uint32_t addrl)
{
target_long addr = GET_TLONG(addrh, addrl);
memory_dump(count, format, size, addr, 0);
}
static void do_physical_memory_dump(int count, int format, int size,
uint32_t addrh, uint32_t addrl)
{
target_long addr = GET_TLONG(addrh, addrl);
memory_dump(count, format, size, addr, 1);
}
static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
{
target_long val = GET_TLONG(valh, vall);
#if TARGET_LONG_BITS == 32
switch(format) {
case 'o':
term_printf("%#o", val);
break;
case 'x':
term_printf("%#x", val);
break;
case 'u':
term_printf("%u", val);
break;
default:
case 'd':
term_printf("%d", val);
break;
case 'c':
term_printc(val);
break;
}
#else
switch(format) {
case 'o':
term_printf("%#" PRIo64, val);
break;
case 'x':
term_printf("%#" PRIx64, val);
break;
case 'u':
term_printf("%" PRIu64, val);
break;
default:
case 'd':
term_printf("%" PRId64, val);
break;
case 'c':
term_printc(val);
break;
}
#endif
term_printf("\n");
}
static void do_memory_save(unsigned int valh, unsigned int vall,
uint32_t size, const char *filename)
{
FILE *f;
target_long addr = GET_TLONG(valh, vall);
uint32_t l;
CPUState *env;
uint8_t buf[1024];
env = mon_get_cpu();
if (!env)
return;
f = fopen(filename, "wb");
if (!f) {
term_printf("could not open '%s'\n", filename);
return;
}
while (size != 0) {
l = sizeof(buf);
if (l > size)
l = size;
cpu_memory_rw_debug(env, addr, buf, l, 0);
fwrite(buf, 1, l, f);
addr += l;
size -= l;
}
fclose(f);
}
static void do_sum(uint32_t start, uint32_t size)
{
uint32_t addr;
uint8_t buf[1];
uint16_t sum;
sum = 0;
for(addr = start; addr < (start + size); addr++) {
cpu_physical_memory_rw(addr, buf, 1, 0);
/* BSD sum algorithm ('sum' Unix command) */
sum = (sum >> 1) | (sum << 15);
sum += buf[0];
}
term_printf("%05d\n", sum);
}
typedef struct {
int keycode;
const char *name;
} KeyDef;
static const KeyDef key_defs[] = {
{ 0x2a, "shift" },
{ 0x36, "shift_r" },
{ 0x38, "alt" },
{ 0xb8, "alt_r" },
{ 0x1d, "ctrl" },
{ 0x9d, "ctrl_r" },
{ 0xdd, "menu" },
{ 0x01, "esc" },
{ 0x02, "1" },
{ 0x03, "2" },
{ 0x04, "3" },
{ 0x05, "4" },
{ 0x06, "5" },
{ 0x07, "6" },
{ 0x08, "7" },
{ 0x09, "8" },
{ 0x0a, "9" },
{ 0x0b, "0" },
{ 0x0c, "minus" },
{ 0x0d, "equal" },
{ 0x0e, "backspace" },
{ 0x0f, "tab" },
{ 0x10, "q" },
{ 0x11, "w" },
{ 0x12, "e" },
{ 0x13, "r" },
{ 0x14, "t" },
{ 0x15, "y" },
{ 0x16, "u" },
{ 0x17, "i" },
{ 0x18, "o" },
{ 0x19, "p" },
{ 0x1c, "ret" },
{ 0x1e, "a" },
{ 0x1f, "s" },
{ 0x20, "d" },
{ 0x21, "f" },
{ 0x22, "g" },
{ 0x23, "h" },
{ 0x24, "j" },
{ 0x25, "k" },
{ 0x26, "l" },
{ 0x2c, "z" },
{ 0x2d, "x" },
{ 0x2e, "c" },
{ 0x2f, "v" },
{ 0x30, "b" },
{ 0x31, "n" },
{ 0x32, "m" },
{ 0x39, "spc" },
{ 0x3a, "caps_lock" },
{ 0x3b, "f1" },
{ 0x3c, "f2" },
{ 0x3d, "f3" },
{ 0x3e, "f4" },
{ 0x3f, "f5" },
{ 0x40, "f6" },
{ 0x41, "f7" },
{ 0x42, "f8" },
{ 0x43, "f9" },
{ 0x44, "f10" },
{ 0x45, "num_lock" },
{ 0x46, "scroll_lock" },
{ 0xb5, "kp_divide" },
{ 0x37, "kp_multiply" },
{ 0x4a, "kp_substract" },
{ 0x4e, "kp_add" },
{ 0x9c, "kp_enter" },
{ 0x53, "kp_decimal" },
{ 0x52, "kp_0" },
{ 0x4f, "kp_1" },
{ 0x50, "kp_2" },
{ 0x51, "kp_3" },
{ 0x4b, "kp_4" },
{ 0x4c, "kp_5" },
{ 0x4d, "kp_6" },
{ 0x47, "kp_7" },
{ 0x48, "kp_8" },
{ 0x49, "kp_9" },
{ 0x56, "<" },
{ 0x57, "f11" },
{ 0x58, "f12" },
{ 0xb7, "print" },
{ 0xc7, "home" },
{ 0xc9, "pgup" },
{ 0xd1, "pgdn" },
{ 0xcf, "end" },
{ 0xcb, "left" },
{ 0xc8, "up" },
{ 0xd0, "down" },
{ 0xcd, "right" },
{ 0xd2, "insert" },
{ 0xd3, "delete" },
{ 0, NULL },
};
static int get_keycode(const char *key)
{
const KeyDef *p;
char *endp;
int ret;
for(p = key_defs; p->name != NULL; p++) {
if (!strcmp(key, p->name))
return p->keycode;
}
if (strstart(key, "0x", NULL)) {
ret = strtoul(key, &endp, 0);
if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
return ret;
}
return -1;
}
static void do_send_key(const char *string)
{
char keybuf[16], *q;
uint8_t keycodes[16];
const char *p;
int nb_keycodes, keycode, i;
nb_keycodes = 0;
p = string;
while (*p != '\0') {
q = keybuf;
while (*p != '\0' && *p != '-') {
if ((q - keybuf) < sizeof(keybuf) - 1) {
*q++ = *p;
}
p++;
}
*q = '\0';
keycode = get_keycode(keybuf);
if (keycode < 0) {
term_printf("unknown key: '%s'\n", keybuf);
return;
}
keycodes[nb_keycodes++] = keycode;
if (*p == '\0')
break;
p++;
}
/* key down events */
for(i = 0; i < nb_keycodes; i++) {
keycode = keycodes[i];
if (keycode & 0x80)
kbd_put_keycode(0xe0);
kbd_put_keycode(keycode & 0x7f);
}
/* key up events */
for(i = nb_keycodes - 1; i >= 0; i--) {
keycode = keycodes[i];
if (keycode & 0x80)
kbd_put_keycode(0xe0);
kbd_put_keycode(keycode | 0x80);
}
}
static int mouse_button_state;
static void do_mouse_move(const char *dx_str, const char *dy_str,
const char *dz_str)
{
int dx, dy, dz;
dx = strtol(dx_str, NULL, 0);
dy = strtol(dy_str, NULL, 0);
dz = 0;
if (dz_str)
dz = strtol(dz_str, NULL, 0);
kbd_mouse_event(dx, dy, dz, mouse_button_state);
}
static void do_mouse_button(int button_state)
{
mouse_button_state = button_state;
kbd_mouse_event(0, 0, 0, mouse_button_state);
}
static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
{
uint32_t val;
int suffix;
if (has_index) {
cpu_outb(NULL, addr & 0xffff, index & 0xff);
addr++;
}
addr &= 0xffff;
switch(size) {
default:
case 1:
val = cpu_inb(NULL, addr);
suffix = 'b';
break;
case 2:
val = cpu_inw(NULL, addr);
suffix = 'w';
break;
case 4:
val = cpu_inl(NULL, addr);
suffix = 'l';
break;
}
term_printf("port%c[0x%04x] = %#0*x\n",
suffix, addr, size * 2, val);
}
static void do_system_reset(void)
{
qemu_system_reset_request();
}
static void do_system_powerdown(void)
{
qemu_system_powerdown_request();
}
#if defined(TARGET_I386)
static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
{
term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n",
addr,
pte & mask,
pte & PG_GLOBAL_MASK ? 'G' : '-',
pte & PG_PSE_MASK ? 'P' : '-',
pte & PG_DIRTY_MASK ? 'D' : '-',
pte & PG_ACCESSED_MASK ? 'A' : '-',
pte & PG_PCD_MASK ? 'C' : '-',
pte & PG_PWT_MASK ? 'T' : '-',
pte & PG_USER_MASK ? 'U' : '-',
pte & PG_RW_MASK ? 'W' : '-');
}
static void tlb_info(void)
{
CPUState *env;
int l1, l2;
uint32_t pgd, pde, pte;
env = mon_get_cpu();
if (!env)
return;
if (!(env->cr[0] & CR0_PG_MASK)) {
term_printf("PG disabled\n");
return;
}
pgd = env->cr[3] & ~0xfff;
for(l1 = 0; l1 < 1024; l1++) {
cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
pde = le32_to_cpu(pde);
if (pde & PG_PRESENT_MASK) {
if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
print_pte((l1 << 22), pde, ~((1 << 20) - 1));
} else {
for(l2 = 0; l2 < 1024; l2++) {
cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
(uint8_t *)&pte, 4);
pte = le32_to_cpu(pte);
if (pte & PG_PRESENT_MASK) {
print_pte((l1 << 22) + (l2 << 12),
pte & ~PG_PSE_MASK,
~0xfff);
}