monitor.c 77.4 KB
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/*
 * QEMU monitor
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 *
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 * Copyright (c) 2003-2004 Fabrice Bellard
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 *
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 * 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.
 */
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#include "hw/hw.h"
#include "hw/usb.h"
#include "hw/pcmcia.h"
#include "hw/pc.h"
#include "hw/pci.h"
#include "gdbstub.h"
#include "net.h"
#include "qemu-char.h"
#include "sysemu.h"
#include "console.h"
#include "block.h"
#include "audio/audio.h"
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#include "disas.h"
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#include "balloon.h"
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#include <dirent.h>
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#include "qemu-timer.h"
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#include "migration.h"
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#include "kvm.h"
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//#define DEBUG
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//#define DEBUG_COMPLETION
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/*
 * Supported types:
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 *
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 * 'F'          filename
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 * 'B'          block device name
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 * 's'          string (accept optional quote)
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 * 'i'          32 bit integer
 * 'l'          target long (32 or 64 bit)
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 * '/'          optional gdb-like print format (like "/10x")
 *
 * '?'          optional type (for 'F', 's' and 'i')
 *
 */

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typedef struct term_cmd_t {
    const char *name;
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    const char *args_type;
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    void *handler;
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    const char *params;
    const char *help;
} term_cmd_t;

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#define MAX_MON 4
static CharDriverState *monitor_hd[MAX_MON];
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static int hide_banner;
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static const term_cmd_t term_cmds[];
static const term_cmd_t info_cmds[];
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static uint8_t term_outbuf[1024];
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static int term_outbuf_index;
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static void monitor_start_input(void);

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static CPUState *mon_cpu = NULL;
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void term_flush(void)
{
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    int i;
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    if (term_outbuf_index > 0) {
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        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);
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        term_outbuf_index = 0;
    }
}

/* flush at every end of line or if the buffer is full */
void term_puts(const char *str)
{
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    char c;
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    for(;;) {
        c = *str++;
        if (c == '\0')
            break;
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        if (c == '\n')
            term_outbuf[term_outbuf_index++] = '\r';
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        term_outbuf[term_outbuf_index++] = c;
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        if (term_outbuf_index >= (sizeof(term_outbuf) - 1) ||
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            c == '\n')
            term_flush();
    }
}

void term_vprintf(const char *fmt, va_list ap)
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{
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    char buf[4096];
    vsnprintf(buf, sizeof(buf), fmt, ap);
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    term_puts(buf);
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}

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void term_printf(const char *fmt, ...)
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{
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    va_list ap;
    va_start(ap, fmt);
    term_vprintf(fmt, ap);
    va_end(ap);
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}

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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;
	}
    }
}

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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;
}

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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;
}

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static void help_cmd1(const term_cmd_t *cmds, const char *prefix, const char *name)
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{
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    const term_cmd_t *cmd;
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    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);
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        if (name && !strcmp(name, "log")) {
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            const CPULogItem *item;
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            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);
            }
        }
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    }
}

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static void do_help(const char *name)
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{
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    help_cmd(name);
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}

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static void do_commit(const char *device)
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{
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    int i, all_devices;
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    all_devices = !strcmp(device, "all");
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    for (i = 0; i < nb_drives; i++) {
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            if (all_devices ||
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                !strcmp(bdrv_get_device_name(drives_table[i].bdrv), device))
                bdrv_commit(drives_table[i].bdrv);
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    }
}

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static void do_info(const char *item)
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{
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    const term_cmd_t *cmd;
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    void (*handler)(void);
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    if (!item)
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        goto help;
    for(cmd = info_cmds; cmd->name != NULL; cmd++) {
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        if (compare_cmd(item, cmd->name))
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            goto found;
    }
 help:
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    help_cmd("info");
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    return;
 found:
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    handler = cmd->handler;
    handler();
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}

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static void do_info_version(void)
{
  term_printf("%s\n", QEMU_VERSION);
}

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static void do_info_name(void)
{
    if (qemu_name)
        term_printf("%s\n", qemu_name);
}

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#if defined(TARGET_I386)
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static void do_info_hpet(void)
{
    term_printf("HPET is %s by QEMU\n", (no_hpet) ? "disabled" : "enabled");
}
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#endif
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static void do_info_uuid(void)
{
    term_printf(UUID_FMT "\n", qemu_uuid[0], qemu_uuid[1], qemu_uuid[2],
            qemu_uuid[3], qemu_uuid[4], qemu_uuid[5], qemu_uuid[6],
            qemu_uuid[7], qemu_uuid[8], qemu_uuid[9], qemu_uuid[10],
            qemu_uuid[11], qemu_uuid[12], qemu_uuid[13], qemu_uuid[14],
            qemu_uuid[15]);
}

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static void do_info_block(void)
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{
    bdrv_info();
}

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static void do_info_blockstats(void)
{
    bdrv_info_stats();
}

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/* get the current CPU defined by the user */
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static int mon_set_cpu(int cpu_index)
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{
    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;
}

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static CPUState *mon_get_cpu(void)
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{
    if (!mon_cpu) {
        mon_set_cpu(0);
    }
    return mon_cpu;
}

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static void do_info_registers(void)
{
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    CPUState *env;
    env = mon_get_cpu();
    if (!env)
        return;
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#ifdef TARGET_I386
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    cpu_dump_state(env, NULL, monitor_fprintf,
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                   X86_DUMP_FPU);
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#else
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    cpu_dump_state(env, NULL, monitor_fprintf,
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                   0);
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#endif
}

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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) {
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        term_printf("%c CPU #%d:",
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                    (env == mon_cpu) ? '*' : ' ',
                    env->cpu_index);
#if defined(TARGET_I386)
        term_printf(" pc=0x" TARGET_FMT_lx, env->eip + env->segs[R_CS].base);
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#elif defined(TARGET_PPC)
        term_printf(" nip=0x" TARGET_FMT_lx, env->nip);
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#elif defined(TARGET_SPARC)
        term_printf(" pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx, env->pc, env->npc);
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#elif defined(TARGET_MIPS)
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        term_printf(" PC=0x" TARGET_FMT_lx, env->active_tc.PC);
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#endif
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        if (env->halted)
            term_printf(" (halted)");
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        term_printf("\n");
    }
}

static void do_cpu_set(int index)
{
    if (mon_set_cpu(index) < 0)
        term_printf("Invalid CPU index\n");
}

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static void do_info_jit(void)
{
    dump_exec_info(NULL, monitor_fprintf);
}

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static void do_info_history (void)
{
    int i;
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    const char *str;
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    i = 0;
    for(;;) {
        str = readline_get_history(i);
        if (!str)
            break;
	term_printf("%d: '%s'\n", i, str);
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        i++;
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    }
}

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#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

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static void do_quit(void)
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{
    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;
}

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static void do_eject(int force, const char *filename)
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{
    BlockDriverState *bs;

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    bs = bdrv_find(filename);
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    if (!bs) {
        term_printf("device not found\n");
        return;
    }
    eject_device(bs, force);
}

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static void do_change_block(const char *device, const char *filename, const char *fmt)
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{
    BlockDriverState *bs;
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    BlockDriver *drv = NULL;
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    bs = bdrv_find(device);
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    if (!bs) {
        term_printf("device not found\n");
        return;
    }
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    if (fmt) {
        drv = bdrv_find_format(fmt);
        if (!drv) {
            term_printf("invalid format %s\n", fmt);
            return;
        }
    }
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    if (eject_device(bs, 0) < 0)
        return;
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    bdrv_open2(bs, filename, 0, drv);
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    qemu_key_check(bs, filename);
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}

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static void do_change_vnc(const char *target, const char *arg)
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{
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    if (strcmp(target, "passwd") == 0 ||
	strcmp(target, "password") == 0) {
	char password[9];
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	if (arg) {
	    strncpy(password, arg, sizeof(password));
	    password[sizeof(password) - 1] = '\0';
	} else
	    monitor_readline("Password: ", 1, password, sizeof(password));
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	if (vnc_display_password(NULL, password) < 0)
	    term_printf("could not set VNC server password\n");
    } else {
	if (vnc_display_open(NULL, target) < 0)
	    term_printf("could not start VNC server on %s\n", target);
    }
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}

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static void do_change(const char *device, const char *target, const char *arg)
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{
    if (strcmp(device, "vnc") == 0) {
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	do_change_vnc(target, arg);
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    } else {
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	do_change_block(device, target, arg);
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    }
}

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static void do_screen_dump(const char *filename)
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{
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    vga_hw_screen_dump(filename);
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}

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static void do_logfile(const char *filename)
{
    cpu_set_log_filename(filename);
}

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static void do_log(const char *items)
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{
    int mask;
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    if (!strcmp(items, "none")) {
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        mask = 0;
    } else {
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        mask = cpu_str_to_log_mask(items);
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        if (!mask) {
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            help_cmd("log");
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            return;
        }
    }
    cpu_set_log(mask);
}

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static void do_stop(void)
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{
    vm_stop(EXCP_INTERRUPT);
}

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static void do_cont(void)
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{
    vm_start();
}

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#ifdef CONFIG_GDBSTUB
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static void do_gdbserver(const char *port)
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{
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    if (!port)
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        port = DEFAULT_GDBSTUB_PORT;
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    if (gdbserver_start(port) < 0) {
        qemu_printf("Could not open gdbserver socket on port '%s'\n", port);
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    } else {
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        qemu_printf("Waiting gdb connection on port '%s'\n", port);
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    }
}
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#endif
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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("'");
}

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static void memory_dump(int count, int format, int wsize,
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                        target_phys_addr_t addr, int is_physical)
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{
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    CPUState *env;
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    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;
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        env = mon_get_cpu();
        if (!env && !is_physical)
            return;
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        if (wsize == 2) {
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            flags = 1;
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        } else if (wsize == 4) {
            flags = 0;
        } else {
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            /* as default we use the current CS size */
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            flags = 0;
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            if (env) {
#ifdef TARGET_X86_64
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                if ((env->efer & MSR_EFER_LMA) &&
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                    (env->segs[R_CS].flags & DESC_L_MASK))
                    flags = 2;
                else
#endif
                if (!(env->segs[R_CS].flags & DESC_B_MASK))
                    flags = 1;
            }
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        }
#endif
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        monitor_disas(env, addr, count, is_physical, flags);
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        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) {
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        if (is_physical)
            term_printf(TARGET_FMT_plx ":", addr);
        else
            term_printf(TARGET_FMT_lx ":", (target_ulong)addr);
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        l = len;
        if (l > line_size)
            l = line_size;
        if (is_physical) {
            cpu_physical_memory_rw(addr, buf, l, 0);
        } else {
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            env = mon_get_cpu();
            if (!env)
                break;
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            if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
                term_printf(" Cannot access memory\n");
                break;
            }
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        }
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        i = 0;
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        while (i < l) {
            switch(wsize) {
            default:
            case 1:
                v = ldub_raw(buf + i);
                break;
            case 2:
                v = lduw_raw(buf + i);
                break;
            case 4:
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                v = (uint32_t)ldl_raw(buf + i);
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                break;
            case 8:
                v = ldq_raw(buf + i);
                break;
            }
            term_printf(" ");
            switch(format) {
            case 'o':
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                term_printf("%#*" PRIo64, max_digits, v);
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                break;
            case 'x':
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                term_printf("0x%0*" PRIx64, max_digits, v);
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                break;
            case 'u':
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                term_printf("%*" PRIu64, max_digits, v);
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                break;
            case 'd':
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                term_printf("%*" PRId64, max_digits, v);
654 655 656 657 658 659 660 661 662 663 664 665 666
                break;
            case 'c':
                term_printc(v);
                break;
            }
            i += wsize;
        }
        term_printf("\n");
        addr += l;
        len -= l;
    }
}

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#if TARGET_LONG_BITS == 64
#define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
#else
#define GET_TLONG(h, l) (l)
#endif

673
static void do_memory_dump(int count, int format, int size,
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                           uint32_t addrh, uint32_t addrl)
675
{
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    target_long addr = GET_TLONG(addrh, addrl);
677 678 679
    memory_dump(count, format, size, addr, 0);
}

680 681 682 683 684 685
#if TARGET_PHYS_ADDR_BITS > 32
#define GET_TPHYSADDR(h, l) (((uint64_t)(h) << 32) | (l))
#else
#define GET_TPHYSADDR(h, l) (l)
#endif

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static void do_physical_memory_dump(int count, int format, int size,
                                    uint32_t addrh, uint32_t addrl)

689
{
690
    target_phys_addr_t addr = GET_TPHYSADDR(addrh, addrl);
691 692 693
    memory_dump(count, format, size, addr, 1);
}

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static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
695
{
696 697
    target_phys_addr_t val = GET_TPHYSADDR(valh, vall);
#if TARGET_PHYS_ADDR_BITS == 32
698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715
    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;
    }
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#else
    switch(format) {
    case 'o':
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        term_printf("%#" PRIo64, val);
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        break;
    case 'x':
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        term_printf("%#" PRIx64, val);
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        break;
    case 'u':
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        term_printf("%" PRIu64, val);
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        break;
    default:
    case 'd':
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        term_printf("%" PRId64, val);
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        break;
    case 'c':
        term_printc(val);
        break;
    }
#endif
736 737 738
    term_printf("\n");
}

739
static void do_memory_save(unsigned int valh, unsigned int vall,
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                           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);
}

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static void do_physical_memory_save(unsigned int valh, unsigned int vall,
                                    uint32_t size, const char *filename)
{
    FILE *f;
    uint32_t l;
    uint8_t buf[1024];
775
    target_phys_addr_t addr = GET_TPHYSADDR(valh, vall); 
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    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_physical_memory_rw(addr, buf, l, 0);
        fwrite(buf, 1, l, f);
        fflush(f);
        addr += l;
        size -= l;
    }
    fclose(f);
}

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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);
}

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typedef struct {
    int keycode;
    const char *name;
} KeyDef;

static const KeyDef key_defs[] = {
    { 0x2a, "shift" },
    { 0x36, "shift_r" },
819

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    { 0x38, "alt" },
    { 0xb8, "alt_r" },
822 823
    { 0x64, "altgr" },
    { 0xe4, "altgr_r" },
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    { 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" },
841 842
    { 0x0c, "minus" },
    { 0x0d, "equal" },
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    { 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" },
876 877 878
    { 0x33, "comma" },
    { 0x34, "dot" },
    { 0x35, "slash" },
879

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    { 0x37, "asterisk" },

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    { 0x39, "spc" },
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    { 0x3a, "caps_lock" },
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    { 0x3b, "f1" },
    { 0x3c, "f2" },
    { 0x3d, "f3" },
    { 0x3e, "f4" },
    { 0x3f, "f5" },
    { 0x40, "f6" },
    { 0x41, "f7" },
    { 0x42, "f8" },
    { 0x43, "f9" },
    { 0x44, "f10" },
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    { 0x45, "num_lock" },
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    { 0x46, "scroll_lock" },

897 898
    { 0xb5, "kp_divide" },
    { 0x37, "kp_multiply" },
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    { 0x4a, "kp_subtract" },
900 901 902
    { 0x4e, "kp_add" },
    { 0x9c, "kp_enter" },
    { 0x53, "kp_decimal" },
903
    { 0x54, "sysrq" },
904 905 906 907 908 909 910 911 912 913 914

    { 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" },
915

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    { 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" },
935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951
#if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
    { 0xf0, "stop" },
    { 0xf1, "again" },
    { 0xf2, "props" },
    { 0xf3, "undo" },
    { 0xf4, "front" },
    { 0xf5, "copy" },
    { 0xf6, "open" },
    { 0xf7, "paste" },
    { 0xf8, "find" },
    { 0xf9, "cut" },
    { 0xfa, "lf" },
    { 0xfb, "help" },
    { 0xfc, "meta_l" },
    { 0xfd, "meta_r" },
    { 0xfe, "compose" },
#endif
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    { 0, NULL },
};

static int get_keycode(const char *key)
{
    const KeyDef *p;
958 959
    char *endp;
    int ret;
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    for(p = key_defs; p->name != NULL; p++) {
        if (!strcmp(key, p->name))
            return p->keycode;
    }
965 966 967 968 969
    if (strstart(key, "0x", NULL)) {
        ret = strtoul(key, &endp, 0);
        if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
            return ret;
    }
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    return -1;
}

973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991
#define MAX_KEYCODES 16
static uint8_t keycodes[MAX_KEYCODES];
static int nb_pending_keycodes;
static QEMUTimer *key_timer;

static void release_keys(void *opaque)
{
    int keycode;

    while (nb_pending_keycodes > 0) {
        nb_pending_keycodes--;
        keycode = keycodes[nb_pending_keycodes];
        if (keycode & 0x80)
            kbd_put_keycode(0xe0);
        kbd_put_keycode(keycode | 0x80);
    }
}

static void do_sendkey(const char *string, int has_hold_time, int hold_time)
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{
993 994 995 996
    char keyname_buf[16];
    char *separator;
    int keyname_len, keycode, i;

997 998 999 1000 1001 1002 1003
    if (nb_pending_keycodes > 0) {
        qemu_del_timer(key_timer);
        release_keys(NULL);
    }
    if (!has_hold_time)
        hold_time = 100;
    i = 0;
1004 1005 1006 1007 1008 1009 1010 1011
    while (1) {
        separator = strchr(string, '-');
        keyname_len = separator ? separator - string : strlen(string);
        if (keyname_len > 0) {
            pstrcpy(keyname_buf, sizeof(keyname_buf), string);
            if (keyname_len > sizeof(keyname_buf) - 1) {
                term_printf("invalid key: '%s...'\n", keyname_buf);
                return;
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            }
1013
            if (i == MAX_KEYCODES) {
1014 1015 1016 1017 1018 1019 1020 1021 1022
                term_printf("too many keys\n");
                return;
            }
            keyname_buf[keyname_len] = 0;
            keycode = get_keycode(keyname_buf);
            if (keycode < 0) {
                term_printf("unknown key: '%s'\n", keyname_buf);
                return;
            }
1023
            keycodes[i++] = keycode;
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        }
1025
        if (!separator)
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            break;
1027
        string = separator + 1;
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    }
1029
    nb_pending_keycodes = i;
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    /* key down events */
1031
    for (i = 0; i < nb_pending_keycodes; i++) {
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        keycode = keycodes[i];
        if (keycode & 0x80)
            kbd_put_keycode(0xe0);
        kbd_put_keycode(keycode & 0x7f);
    }
1037
    /* delayed key up events */
1038 1039
    qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
                    muldiv64(ticks_per_sec, hold_time, 1000));
B
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}

B
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1042 1043
static int mouse_button_state;

1044
static void do_mouse_move(const char *dx_str, const char *dy_str,
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                          const char *dz_str)
{
    int dx, dy, dz;
    dx = strtol(dx_str, NULL, 0);
    dy = strtol(dy_str, NULL, 0);
    dz = 0;
1051
    if (dz_str)
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1052 1053 1054 1055 1056 1057 1058 1059 1060 1061
        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);
}

B
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1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090
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);
}
B
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1092 1093 1094 1095 1096 1097 1098 1099 1100 1101
/* boot_set handler */
static QEMUBootSetHandler *qemu_boot_set_handler = NULL;
static void *boot_opaque;

void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
{
    qemu_boot_set_handler = func;
    boot_opaque = opaque;
}

1102 1103 1104 1105 1106
static void do_boot_set(const char *bootdevice)
{
    int res;

    if (qemu_boot_set_handler)  {
1107
        res = qemu_boot_set_handler(boot_opaque, bootdevice);
1108 1109 1110 1111 1112 1113 1114 1115 1116
        if (res == 0)
            term_printf("boot device list now set to %s\n", bootdevice);
        else
            term_printf("setting boot device list failed with error %i\n", res);
    } else {
        term_printf("no function defined to set boot device list for this architecture\n");
    }
}

B
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1117 1118 1119 1120 1121
static void do_system_reset(void)
{
    qemu_system_reset_request();
}

B
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1122 1123 1124 1125 1126
static void do_system_powerdown(void)
{
    qemu_system_powerdown_request();
}

B
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1127 1128 1129
#if defined(TARGET_I386)
static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
{
1130
    term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n",
B
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1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144
                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)
{
B
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1145
    CPUState *env;
B
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1146 1147 1148
    int l1, l2;
    uint32_t pgd, pde, pte;

B
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1149 1150 1151 1152
    env = mon_get_cpu();
    if (!env)
        return;

B
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1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165
    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++) {
1166
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
B
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                                             (uint8_t *)&pte, 4);
                    pte = le32_to_cpu(pte);
                    if (pte & PG_PRESENT_MASK) {
1170 1171
                        print_pte((l1 << 22) + (l2 << 12),
                                  pte & ~PG_PSE_MASK,
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                                  ~0xfff);
                    }
                }
            }
        }
    }
}

1180
static void mem_print(uint32_t *pstart, int *plast_prot,
B
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1181 1182
                      uint32_t end, int prot)
{
B
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1183 1184 1185
    int prot1;
    prot1 = *plast_prot;
    if (prot != prot1) {
B
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1186 1187
        if (*pstart != -1) {
            term_printf("%08x-%08x %08x %c%c%c\n",
1188
                        *pstart, end, end - *pstart,
B
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                        prot1 & PG_USER_MASK ? 'u' : '-',
B
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                        'r',
B
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                        prot1 & PG_RW_MASK ? 'w' : '-');
B
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1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202
        }
        if (prot != 0)
            *pstart = end;
        else
            *pstart = -1;
        *plast_prot = prot;
    }
}

static void mem_info(void)
{
B
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    CPUState *env;
B
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1204 1205 1206
    int l1, l2, prot, last_prot;
    uint32_t pgd, pde, pte, start, end;

B
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    env = mon_get_cpu();
    if (!env)
        return;

B
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1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227
    if (!(env->cr[0] & CR0_PG_MASK)) {
        term_printf("PG disabled\n");
        return;
    }
    pgd = env->cr[3] & ~0xfff;
    last_prot = 0;
    start = -1;
    for(l1 = 0; l1 < 1024; l1++) {
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
        pde = le32_to_cpu(pde);
        end = l1 << 22;
        if (pde & PG_PRESENT_MASK) {
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
                prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
                mem_print(&start, &last_prot, end, prot);
            } else {
                for(l2 = 0; l2 < 1024; l2++) {
1228
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
B
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1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247
                                             (uint8_t *)&pte, 4);
                    pte = le32_to_cpu(pte);
                    end = (l1 << 22) + (l2 << 12);
                    if (pte & PG_PRESENT_MASK) {
                        prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
                    } else {
                        prot = 0;
                    }
                    mem_print(&start, &last_prot, end, prot);
                }
            }
        } else {
            prot = 0;
            mem_print(&start, &last_prot, end, prot);
        }
    }
}
#endif

A
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#if defined(TARGET_SH4)

static void print_tlb(int idx, tlb_t *tlb)
{
    term_printf(" tlb%i:\t"
                "asid=%hhu vpn=%x\tppn=%x\tsz=%hhu size=%u\t"
                "v=%hhu shared=%hhu cached=%hhu prot=%hhu "
                "dirty=%hhu writethrough=%hhu\n",
                idx,
                tlb->asid, tlb->vpn, tlb->ppn, tlb->sz, tlb->size,
                tlb->v, tlb->sh, tlb->c, tlb->pr,
                tlb->d, tlb->wt);
}

static void tlb_info(void)
{
    CPUState *env = mon_get_cpu();
    int i;

    term_printf ("ITLB:\n");
    for (i = 0 ; i < ITLB_SIZE ; i++)
        print_tlb (i, &env->itlb[i]);
    term_printf ("UTLB:\n");
    for (i = 0 ; i < UTLB_SIZE ; i++)
        print_tlb (i, &env->utlb[i]);
}

#endif

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static void do_info_kqemu(void)
{
#ifdef USE_KQEMU
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    CPUState *env;
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    int val;
    val = 0;
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    env = mon_get_cpu();
    if (!env) {
        term_printf("No cpu initialized yet");
        return;
    }
    val = env->kqemu_enabled;
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    term_printf("kqemu support: ");
    switch(val) {
    default:
    case 0:
        term_printf("disabled\n");
        break;
    case 1:
        term_printf("enabled for user code\n");
        break;
    case 2:
        term_printf("enabled for user and kernel code\n");
        break;
    }
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#else
B
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    term_printf("kqemu support: not compiled\n");
B
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#endif
1305
}
B
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1306

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static void do_info_kvm(void)
{
#ifdef CONFIG_KVM
    term_printf("kvm support: ");
    if (kvm_enabled())
	term_printf("enabled\n");
    else
	term_printf("disabled\n");
#else
    term_printf("kvm support: not compiled\n");
#endif
}

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#ifdef CONFIG_PROFILER

int64_t kqemu_time;
int64_t qemu_time;
int64_t kqemu_exec_count;
int64_t dev_time;
int64_t kqemu_ret_int_count;
int64_t kqemu_ret_excp_count;
int64_t kqemu_ret_intr_count;

static void do_info_profile(void)
{
    int64_t total;
    total = qemu_time;
    if (total == 0)
        total = 1;
B
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    term_printf("async time  %" PRId64 " (%0.3f)\n",
B
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                dev_time, dev_time / (double)ticks_per_sec);
B
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    term_printf("qemu time   %" PRId64 " (%0.3f)\n",
B
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1339
                qemu_time, qemu_time / (double)ticks_per_sec);
B
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    term_printf("kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%" PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%" PRId64 "\n",
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                kqemu_time, kqemu_time / (double)ticks_per_sec,
                kqemu_time / (double)total * 100.0,
                kqemu_exec_count,
                kqemu_ret_int_count,
                kqemu_ret_excp_count,
                kqemu_ret_intr_count);
    qemu_time = 0;
    kqemu_time = 0;
    kqemu_exec_count = 0;
    dev_time = 0;
    kqemu_ret_int_count = 0;
    kqemu_ret_excp_count = 0;
    kqemu_ret_intr_count = 0;
#ifdef USE_KQEMU
    kqemu_record_dump();
#endif
}
#else
static void do_info_profile(void)
{
    term_printf("Internal profiler not compiled\n");
}
#endif

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/* Capture support */
static LIST_HEAD (capture_list_head, CaptureState) capture_head;

static void do_info_capture (void)
{
    int i;
    CaptureState *s;

    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
        term_printf ("[%d]: ", i);
        s->ops.info (s->opaque);
    }
}

static void do_stop_capture (int n)
{
    int i;
    CaptureState *s;

    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
        if (i == n) {
            s->ops.destroy (s->opaque);
            LIST_REMOVE (s, entries);
            qemu_free (s);
            return;
        }
    }
}

#ifdef HAS_AUDIO
static void do_wav_capture (const char *path,
                            int has_freq, int freq,
                            int has_bits, int bits,
                            int has_channels, int nchannels)
{
    CaptureState *s;

    s = qemu_mallocz (sizeof (*s));

    freq = has_freq ? freq : 44100;
    bits = has_bits ? bits : 16;
    nchannels = has_channels ? nchannels : 2;

    if (wav_start_capture (s, path, freq, bits, nchannels)) {
        term_printf ("Faied to add wave capture\n");
        qemu_free (s);
    }
    LIST_INSERT_HEAD (&capture_head, s, entries);
}
#endif

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#if defined(TARGET_I386)
static void do_inject_nmi(int cpu_index)
{
    CPUState *env;

    for (env = first_cpu; env != NULL; env = env->next_cpu)
        if (env->cpu_index == cpu_index) {
            cpu_interrupt(env, CPU_INTERRUPT_NMI);
            break;
        }
}
#endif

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static void do_info_status(void)
{
    if (vm_running)
       term_printf("VM status: running\n");
    else
       term_printf("VM status: paused\n");
}


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static void do_balloon(int value)
{
    ram_addr_t target = value;
    qemu_balloon(target << 20);
}

static void do_info_balloon(void)
{
    ram_addr_t actual;

    actual = qemu_balloon_status();
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    if (kvm_enabled() && !kvm_has_sync_mmu())
        term_printf("Using KVM without synchronous MMU, ballooning disabled\n");
    else if (actual == 0)
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        term_printf("Ballooning not activated in VM\n");
    else
        term_printf("balloon: actual=%d\n", (int)(actual >> 20));
}

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/* Please update qemu-doc.texi when adding or changing commands */
B
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static const term_cmd_t term_cmds[] = {
1459
    { "help|?", "s?", do_help,
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      "[cmd]", "show the help" },
1461
    { "commit", "s", do_commit,
B
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      "device|all", "commit changes to the disk images (if -snapshot is used) or backing files" },
1463
    { "info", "s?", do_info,
B
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      "subcommand", "show various information about the system state" },
1465
    { "q|quit", "", do_quit,
B
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      "", "quit the emulator" },
B
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    { "eject", "-fB", do_eject,
T
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      "[-f] device", "eject a removable medium (use -f to force it)" },
1469 1470
    { "change", "BFs?", do_change,
      "device filename [format]", "change a removable medium, optional format" },
1471
    { "screendump", "F", do_screen_dump,
B
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      "filename", "save screen into PPM image 'filename'" },
1473
    { "logfile", "F", do_logfile,
P
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      "filename", "output logs to 'filename'" },
1475
    { "log", "s", do_log,
1476
      "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
B
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    { "savevm", "s?", do_savevm,
1478
      "tag|id", "save a VM snapshot. If no tag or id are provided, a new snapshot is created" },
B
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    { "loadvm", "s", do_loadvm,
1480
      "tag|id", "restore a VM snapshot from its tag or id" },
B
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    { "delvm", "s", do_delvm,
1482 1483
      "tag|id", "delete a VM snapshot from its tag or id" },
    { "stop", "", do_stop,
1484
      "", "stop emulation", },
1485
    { "c|cont", "", do_cont,
1486
      "", "resume emulation", },
B
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#ifdef CONFIG_GDBSTUB
1488
    { "gdbserver", "s?", do_gdbserver,
1489
      "[port]", "start gdbserver session (default port=1234)", },
B
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#endif
1491
    { "x", "/l", do_memory_dump,
1492
      "/fmt addr", "virtual memory dump starting at 'addr'", },
1493
    { "xp", "/l", do_physical_memory_dump,
1494
      "/fmt addr", "physical memory dump starting at 'addr'", },
1495
    { "p|print", "/l", do_print,
1496
      "/fmt expr", "print expression value (use $reg for CPU register access)", },
1497
    { "i", "/ii.", do_ioport_read,
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      "/fmt addr", "I/O port read" },

1500 1501
    { "sendkey", "si?", do_sendkey,
      "keys [hold_ms]", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1', default hold time=100 ms)" },
1502
    { "system_reset", "", do_system_reset,
B
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      "", "reset the system" },
1504
    { "system_powerdown", "", do_system_powerdown,
B
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1505
      "", "send system power down event" },
1506
    { "sum", "ii", do_sum,
B
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      "addr size", "compute the checksum of a memory region" },
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    { "usb_add", "s", do_usb_add,
      "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
    { "usb_del", "s", do_usb_del,
      "device", "remove USB device 'bus.addr'" },
1512
    { "cpu", "i", do_cpu_set,
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      "index", "set the default CPU" },
1514
    { "mouse_move", "sss?", do_mouse_move,
B
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1515
      "dx dy [dz]", "send mouse move events" },
1516
    { "mouse_button", "i", do_mouse_button,
B
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1517
      "state", "change mouse button state (1=L, 2=M, 4=R)" },
1518 1519
    { "mouse_set", "i", do_mouse_set,
      "index", "set which mouse device receives events" },
B
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#ifdef HAS_AUDIO
    { "wavcapture", "si?i?i?", do_wav_capture,
      "path [frequency bits channels]",
      "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
#endif
B
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    { "stopcapture", "i", do_stop_capture,
      "capture index", "stop capture" },
1527
    { "memsave", "lis", do_memory_save,
B
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      "addr size file", "save to disk virtual memory dump starting at 'addr' of size 'size'", },
A
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1529 1530
    { "pmemsave", "lis", do_physical_memory_save,
      "addr size file", "save to disk physical memory dump starting at 'addr' of size 'size'", },
1531 1532
    { "boot_set", "s", do_boot_set,
      "bootdevice", "define new values for the boot device list" },
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#if defined(TARGET_I386)
    { "nmi", "i", do_inject_nmi,
      "cpu", "inject an NMI on the given CPU", },
#endif
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    { "migrate", "-ds", do_migrate,
      "[-d] uri", "migrate to URI (using -d to not wait for completion)" },
    { "migrate_cancel", "", do_migrate_cancel,
      "", "cancel the current VM migration" },
    { "migrate_set_speed", "s", do_migrate_set_speed,
      "value", "set maximum speed (in bytes) for migrations" },
1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556
#if defined(TARGET_I386)
    { "drive_add", "ss", drive_hot_add, "pci_addr=[[<domain>:]<bus>:]<slot>\n"
                                         "[file=file][,if=type][,bus=n]\n"
                                        "[,unit=m][,media=d][index=i]\n"
                                        "[,cyls=c,heads=h,secs=s[,trans=t]]\n"
                                        "[snapshot=on|off][,cache=on|off]",
                                        "add drive to PCI storage controller" },
    { "pci_add", "sss", pci_device_hot_add, "pci_addr=auto|[[<domain>:]<bus>:]<slot> nic|storage [[vlan=n][,macaddr=addr][,model=type]] [file=file][,if=type][,bus=nr]...", "hot-add PCI device" },
    { "pci_del", "s", pci_device_hot_remove, "pci_addr=[[<domain>:]<bus>:]<slot>", "hot remove PCI device" },
    { "host_net_add", "ss", net_host_device_add,
      "[tap,user,socket,vde] options", "add host VLAN client" },
    { "host_net_remove", "is", net_host_device_remove,
      "vlan_id name", "remove host VLAN client" },
#endif
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    { "balloon", "i", do_balloon,
      "target", "request VM to change it's memory allocation (in MB)" },
1559 1560
    { "set_link", "ss", do_set_link,
      "name [up|down]", "change the link status of a network adapter" },
1561
    { NULL, NULL, },
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1562 1563
};

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/* Please update qemu-doc.texi when adding or changing commands */
B
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static const term_cmd_t info_cmds[] = {
B
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    { "version", "", do_info_version,
B
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      "", "show the version of QEMU" },
1568
    { "network", "", do_info_network,
B
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1569
      "", "show the network state" },
1570 1571
    { "chardev", "", qemu_chr_info,
      "", "show the character devices" },
1572
    { "block", "", do_info_block,
B
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1573
      "", "show the block devices" },
1574 1575
    { "blockstats", "", do_info_blockstats,
      "", "show block device statistics" },
1576 1577
    { "registers", "", do_info_registers,
      "", "show the cpu registers" },
B
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1578 1579
    { "cpus", "", do_info_cpus,
      "", "show infos for each CPU" },
B
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1580 1581
    { "history", "", do_info_history,
      "", "show the command line history", },
1582 1583
    { "irq", "", irq_info,
      "", "show the interrupts statistics (if available)", },
1584 1585
    { "pic", "", pic_info,
      "", "show i8259 (PIC) state", },
B
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1586 1587
    { "pci", "", pci_info,
      "", "show PCI info", },
A
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1588
#if defined(TARGET_I386) || defined(TARGET_SH4)
B
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1589 1590
    { "tlb", "", tlb_info,
      "", "show virtual to physical memory mappings", },
A
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1591 1592
#endif
#if defined(TARGET_I386)
B
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1593 1594
    { "mem", "", mem_info,
      "", "show the active virtual memory mappings", },
A
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1595 1596
    { "hpet", "", do_info_hpet,
      "", "show state of HPET", },
B
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1597
#endif
B
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1598 1599
    { "jit", "", do_info_jit,
      "", "show dynamic compiler info", },
B
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1600
    { "kqemu", "", do_info_kqemu,
B
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1601
      "", "show KQEMU information", },
A
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1602
    { "kvm", "", do_info_kvm,
B
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1603
      "", "show KVM information", },
B
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1604 1605 1606 1607
    { "usb", "", usb_info,
      "", "show guest USB devices", },
    { "usbhost", "", usb_host_info,
      "", "show host USB devices", },
B
bellard 已提交
1608 1609
    { "profile", "", do_info_profile,
      "", "show profiling information", },
B
bellard 已提交
1610
    { "capture", "", do_info_capture,
B
bellard 已提交
1611
      "", "show capture information" },
B
bellard 已提交
1612
    { "snapshots", "", do_info_snapshots,
B
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1613
      "", "show the currently saved VM snapshots" },
A
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1614 1615
    { "status", "", do_info_status,
      "", "show the current VM status (running|paused)" },
1616 1617
    { "pcmcia", "", pcmcia_info,
      "", "show guest PCMCIA status" },
1618 1619
    { "mice", "", do_info_mice,
      "", "show which guest mouse is receiving events" },
B
bellard 已提交
1620 1621
    { "vnc", "", do_info_vnc,
      "", "show the vnc server status"},
T
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1622 1623
    { "name", "", do_info_name,
      "", "show the current VM name" },
1624 1625
    { "uuid", "", do_info_uuid,
      "", "show the current VM UUID" },
1626 1627 1628 1629
#if defined(TARGET_PPC)
    { "cpustats", "", do_info_cpu_stats,
      "", "show CPU statistics", },
#endif
1630 1631 1632 1633
#if defined(CONFIG_SLIRP)
    { "slirp", "", do_info_slirp,
      "", "show SLIRP statistics", },
#endif
A
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1634
    { "migrate", "", do_info_migrate, "", "show migration status" },
A
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1635 1636
    { "balloon", "", do_info_balloon,
      "", "show balloon information" },
B
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1637 1638 1639
    { NULL, NULL, },
};

1640 1641 1642 1643 1644
/*******************************************************************/

static const char *pch;
static jmp_buf expr_env;

B
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1645 1646 1647
#define MD_TLONG 0
#define MD_I32   1

1648 1649 1650
typedef struct MonitorDef {
    const char *name;
    int offset;
B
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1651
    target_long (*get_value)(const struct MonitorDef *md, int val);
B
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1652
    int type;
1653 1654
} MonitorDef;

B
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1655
#if defined(TARGET_I386)
B
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1656
static target_long monitor_get_pc (const struct MonitorDef *md, int val)
B
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1657
{
B
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1658 1659 1660 1661
    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return env->eip + env->segs[R_CS].base;
B
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1662 1663 1664
}
#endif

1665
#if defined(TARGET_PPC)
B
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1666
static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
1667
{
B
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1668
    CPUState *env = mon_get_cpu();
1669 1670 1671
    unsigned int u;
    int i;

B
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1672 1673 1674
    if (!env)
        return 0;

1675 1676
    u = 0;
    for (i = 0; i < 8; i++)
B
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1677
	u |= env->crf[i] << (32 - (4 * i));
1678 1679 1680 1681

    return u;
}

B
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1682
static target_long monitor_get_msr (const struct MonitorDef *md, int val)
1683
{
B
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1684 1685 1686
    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
1687
    return env->msr;
1688 1689
}

B
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1690
static target_long monitor_get_xer (const struct MonitorDef *md, int val)
1691
{
B
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1692 1693 1694
    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
A
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1695
    return env->xer;
1696
}
1697

B
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1698
static target_long monitor_get_decr (const struct MonitorDef *md, int val)
1699
{
B
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1700 1701 1702 1703
    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return cpu_ppc_load_decr(env);
1704 1705
}

B
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1706
static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
1707
{
B
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1708 1709 1710 1711
    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return cpu_ppc_load_tbu(env);
1712 1713
}

B
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1714
static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
1715
{
B
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1716 1717 1718 1719
    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return cpu_ppc_load_tbl(env);
1720
}
1721 1722
#endif

1723
#if defined(TARGET_SPARC)
B
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1724
#ifndef TARGET_SPARC64
B
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1725
static target_long monitor_get_psr (const struct MonitorDef *md, int val)
1726
{
B
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1727 1728 1729 1730
    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return GET_PSR(env);
1731
}
B
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1732
#endif
1733

B
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1734
static target_long monitor_get_reg(const struct MonitorDef *md, int val)
1735
{
B
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1736 1737 1738 1739
    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return env->regwptr[val];
1740 1741 1742
}
#endif

B
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1743
static const MonitorDef monitor_defs[] = {
1744
#ifdef TARGET_I386
B
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1745 1746

#define SEG(name, seg) \
B
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1747
    { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
B
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1748
    { name ".base", offsetof(CPUState, segs[seg].base) },\
B
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1749
    { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
B
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1750

1751 1752 1753 1754 1755 1756 1757
    { "eax", offsetof(CPUState, regs[0]) },
    { "ecx", offsetof(CPUState, regs[1]) },
    { "edx", offsetof(CPUState, regs[2]) },
    { "ebx", offsetof(CPUState, regs[3]) },
    { "esp|sp", offsetof(CPUState, regs[4]) },
    { "ebp|fp", offsetof(CPUState, regs[5]) },
    { "esi", offsetof(CPUState, regs[6]) },
B
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1758
    { "edi", offsetof(CPUState, regs[7]) },
B
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1759 1760 1761 1762 1763 1764 1765 1766 1767 1768
#ifdef TARGET_X86_64
    { "r8", offsetof(CPUState, regs[8]) },
    { "r9", offsetof(CPUState, regs[9]) },
    { "r10", offsetof(CPUState, regs[10]) },
    { "r11", offsetof(CPUState, regs[11]) },
    { "r12", offsetof(CPUState, regs[12]) },
    { "r13", offsetof(CPUState, regs[13]) },
    { "r14", offsetof(CPUState, regs[14]) },
    { "r15", offsetof(CPUState, regs[15]) },
#endif
1769
    { "eflags", offsetof(CPUState, eflags) },
B
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1770 1771 1772 1773
    { "eip", offsetof(CPUState, eip) },
    SEG("cs", R_CS)
    SEG("ds", R_DS)
    SEG("es", R_ES)
B
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1774
    SEG("ss", R_SS)
B
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1775 1776 1777
    SEG("fs", R_FS)
    SEG("gs", R_GS)
    { "pc", 0, monitor_get_pc, },
1778
#elif defined(TARGET_PPC)
J
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1779
    /* General purpose registers */
1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811
    { "r0", offsetof(CPUState, gpr[0]) },
    { "r1", offsetof(CPUState, gpr[1]) },
    { "r2", offsetof(CPUState, gpr[2]) },
    { "r3", offsetof(CPUState, gpr[3]) },
    { "r4", offsetof(CPUState, gpr[4]) },
    { "r5", offsetof(CPUState, gpr[5]) },
    { "r6", offsetof(CPUState, gpr[6]) },
    { "r7", offsetof(CPUState, gpr[7]) },
    { "r8", offsetof(CPUState, gpr[8]) },
    { "r9", offsetof(CPUState, gpr[9]) },
    { "r10", offsetof(CPUState, gpr[10]) },
    { "r11", offsetof(CPUState, gpr[11]) },
    { "r12", offsetof(CPUState, gpr[12]) },
    { "r13", offsetof(CPUState, gpr[13]) },
    { "r14", offsetof(CPUState, gpr[14]) },
    { "r15", offsetof(CPUState, gpr[15]) },
    { "r16", offsetof(CPUState, gpr[16]) },
    { "r17", offsetof(CPUState, gpr[17]) },
    { "r18", offsetof(CPUState, gpr[18]) },
    { "r19", offsetof(CPUState, gpr[19]) },
    { "r20", offsetof(CPUState, gpr[20]) },
    { "r21", offsetof(CPUState, gpr[21]) },
    { "r22", offsetof(CPUState, gpr[22]) },
    { "r23", offsetof(CPUState, gpr[23]) },
    { "r24", offsetof(CPUState, gpr[24]) },
    { "r25", offsetof(CPUState, gpr[25]) },
    { "r26", offsetof(CPUState, gpr[26]) },
    { "r27", offsetof(CPUState, gpr[27]) },
    { "r28", offsetof(CPUState, gpr[28]) },
    { "r29", offsetof(CPUState, gpr[29]) },
    { "r30", offsetof(CPUState, gpr[30]) },
    { "r31", offsetof(CPUState, gpr[31]) },
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1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846
    /* Floating point registers */
    { "f0", offsetof(CPUState, fpr[0]) },
    { "f1", offsetof(CPUState, fpr[1]) },
    { "f2", offsetof(CPUState, fpr[2]) },
    { "f3", offsetof(CPUState, fpr[3]) },
    { "f4", offsetof(CPUState, fpr[4]) },
    { "f5", offsetof(CPUState, fpr[5]) },
    { "f6", offsetof(CPUState, fpr[6]) },
    { "f7", offsetof(CPUState, fpr[7]) },
    { "f8", offsetof(CPUState, fpr[8]) },
    { "f9", offsetof(CPUState, fpr[9]) },
    { "f10", offsetof(CPUState, fpr[10]) },
    { "f11", offsetof(CPUState, fpr[11]) },
    { "f12", offsetof(CPUState, fpr[12]) },
    { "f13", offsetof(CPUState, fpr[13]) },
    { "f14", offsetof(CPUState, fpr[14]) },
    { "f15", offsetof(CPUState, fpr[15]) },
    { "f16", offsetof(CPUState, fpr[16]) },
    { "f17", offsetof(CPUState, fpr[17]) },
    { "f18", offsetof(CPUState, fpr[18]) },
    { "f19", offsetof(CPUState, fpr[19]) },
    { "f20", offsetof(CPUState, fpr[20]) },
    { "f21", offsetof(CPUState, fpr[21]) },
    { "f22", offsetof(CPUState, fpr[22]) },
    { "f23", offsetof(CPUState, fpr[23]) },
    { "f24", offsetof(CPUState, fpr[24]) },
    { "f25", offsetof(CPUState, fpr[25]) },
    { "f26", offsetof(CPUState, fpr[26]) },
    { "f27", offsetof(CPUState, fpr[27]) },
    { "f28", offsetof(CPUState, fpr[28]) },
    { "f29", offsetof(CPUState, fpr[29]) },
    { "f30", offsetof(CPUState, fpr[30]) },
    { "f31", offsetof(CPUState, fpr[31]) },
    { "fpscr", offsetof(CPUState, fpscr) },
    /* Next instruction pointer */
B
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    { "nip|pc", offsetof(CPUState, nip) },
1848 1849
    { "lr", offsetof(CPUState, lr) },
    { "ctr", offsetof(CPUState, ctr) },
1850
    { "decr", 0, &monitor_get_decr, },
1851
    { "ccr", 0, &monitor_get_ccr, },
J
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1852
    /* Machine state register */
1853 1854
    { "msr", 0, &monitor_get_msr, },
    { "xer", 0, &monitor_get_xer, },
1855 1856
    { "tbu", 0, &monitor_get_tbu, },
    { "tbl", 0, &monitor_get_tbl, },
J
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1857 1858 1859 1860 1861
#if defined(TARGET_PPC64)
    /* Address space register */
    { "asr", offsetof(CPUState, asr) },
#endif
    /* Segment registers */
1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879
    { "sdr1", offsetof(CPUState, sdr1) },
    { "sr0", offsetof(CPUState, sr[0]) },
    { "sr1", offsetof(CPUState, sr[1]) },
    { "sr2", offsetof(CPUState, sr[2]) },
    { "sr3", offsetof(CPUState, sr[3]) },
    { "sr4", offsetof(CPUState, sr[4]) },
    { "sr5", offsetof(CPUState, sr[5]) },
    { "sr6", offsetof(CPUState, sr[6]) },
    { "sr7", offsetof(CPUState, sr[7]) },
    { "sr8", offsetof(CPUState, sr[8]) },
    { "sr9", offsetof(CPUState, sr[9]) },
    { "sr10", offsetof(CPUState, sr[10]) },
    { "sr11", offsetof(CPUState, sr[11]) },
    { "sr12", offsetof(CPUState, sr[12]) },
    { "sr13", offsetof(CPUState, sr[13]) },
    { "sr14", offsetof(CPUState, sr[14]) },
    { "sr15", offsetof(CPUState, sr[15]) },
    /* Too lazy to put BATs and SPRs ... */
1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915
#elif defined(TARGET_SPARC)
    { "g0", offsetof(CPUState, gregs[0]) },
    { "g1", offsetof(CPUState, gregs[1]) },
    { "g2", offsetof(CPUState, gregs[2]) },
    { "g3", offsetof(CPUState, gregs[3]) },
    { "g4", offsetof(CPUState, gregs[4]) },
    { "g5", offsetof(CPUState, gregs[5]) },
    { "g6", offsetof(CPUState, gregs[6]) },
    { "g7", offsetof(CPUState, gregs[7]) },
    { "o0", 0, monitor_get_reg },
    { "o1", 1, monitor_get_reg },
    { "o2", 2, monitor_get_reg },
    { "o3", 3, monitor_get_reg },
    { "o4", 4, monitor_get_reg },
    { "o5", 5, monitor_get_reg },
    { "o6", 6, monitor_get_reg },
    { "o7", 7, monitor_get_reg },
    { "l0", 8, monitor_get_reg },
    { "l1", 9, monitor_get_reg },
    { "l2", 10, monitor_get_reg },
    { "l3", 11, monitor_get_reg },
    { "l4", 12, monitor_get_reg },
    { "l5", 13, monitor_get_reg },
    { "l6", 14, monitor_get_reg },
    { "l7", 15, monitor_get_reg },
    { "i0", 16, monitor_get_reg },
    { "i1", 17, monitor_get_reg },
    { "i2", 18, monitor_get_reg },
    { "i3", 19, monitor_get_reg },
    { "i4", 20, monitor_get_reg },
    { "i5", 21, monitor_get_reg },
    { "i6", 22, monitor_get_reg },
    { "i7", 23, monitor_get_reg },
    { "pc", offsetof(CPUState, pc) },
    { "npc", offsetof(CPUState, npc) },
    { "y", offsetof(CPUState, y) },
B
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1916
#ifndef TARGET_SPARC64
1917 1918
    { "psr", 0, &monitor_get_psr, },
    { "wim", offsetof(CPUState, wim) },
B
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1919
#endif
1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953
    { "tbr", offsetof(CPUState, tbr) },
    { "fsr", offsetof(CPUState, fsr) },
    { "f0", offsetof(CPUState, fpr[0]) },
    { "f1", offsetof(CPUState, fpr[1]) },
    { "f2", offsetof(CPUState, fpr[2]) },
    { "f3", offsetof(CPUState, fpr[3]) },
    { "f4", offsetof(CPUState, fpr[4]) },
    { "f5", offsetof(CPUState, fpr[5]) },
    { "f6", offsetof(CPUState, fpr[6]) },
    { "f7", offsetof(CPUState, fpr[7]) },
    { "f8", offsetof(CPUState, fpr[8]) },
    { "f9", offsetof(CPUState, fpr[9]) },
    { "f10", offsetof(CPUState, fpr[10]) },
    { "f11", offsetof(CPUState, fpr[11]) },
    { "f12", offsetof(CPUState, fpr[12]) },
    { "f13", offsetof(CPUState, fpr[13]) },
    { "f14", offsetof(CPUState, fpr[14]) },
    { "f15", offsetof(CPUState, fpr[15]) },
    { "f16", offsetof(CPUState, fpr[16]) },
    { "f17", offsetof(CPUState, fpr[17]) },
    { "f18", offsetof(CPUState, fpr[18]) },
    { "f19", offsetof(CPUState, fpr[19]) },
    { "f20", offsetof(CPUState, fpr[20]) },
    { "f21", offsetof(CPUState, fpr[21]) },
    { "f22", offsetof(CPUState, fpr[22]) },
    { "f23", offsetof(CPUState, fpr[23]) },
    { "f24", offsetof(CPUState, fpr[24]) },
    { "f25", offsetof(CPUState, fpr[25]) },
    { "f26", offsetof(CPUState, fpr[26]) },
    { "f27", offsetof(CPUState, fpr[27]) },
    { "f28", offsetof(CPUState, fpr[28]) },
    { "f29", offsetof(CPUState, fpr[29]) },
    { "f30", offsetof(CPUState, fpr[30]) },
    { "f31", offsetof(CPUState, fpr[31]) },
B
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1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979
#ifdef TARGET_SPARC64
    { "f32", offsetof(CPUState, fpr[32]) },
    { "f34", offsetof(CPUState, fpr[34]) },
    { "f36", offsetof(CPUState, fpr[36]) },
    { "f38", offsetof(CPUState, fpr[38]) },
    { "f40", offsetof(CPUState, fpr[40]) },
    { "f42", offsetof(CPUState, fpr[42]) },
    { "f44", offsetof(CPUState, fpr[44]) },
    { "f46", offsetof(CPUState, fpr[46]) },
    { "f48", offsetof(CPUState, fpr[48]) },
    { "f50", offsetof(CPUState, fpr[50]) },
    { "f52", offsetof(CPUState, fpr[52]) },
    { "f54", offsetof(CPUState, fpr[54]) },
    { "f56", offsetof(CPUState, fpr[56]) },
    { "f58", offsetof(CPUState, fpr[58]) },
    { "f60", offsetof(CPUState, fpr[60]) },
    { "f62", offsetof(CPUState, fpr[62]) },
    { "asi", offsetof(CPUState, asi) },
    { "pstate", offsetof(CPUState, pstate) },
    { "cansave", offsetof(CPUState, cansave) },
    { "canrestore", offsetof(CPUState, canrestore) },
    { "otherwin", offsetof(CPUState, otherwin) },
    { "wstate", offsetof(CPUState, wstate) },
    { "cleanwin", offsetof(CPUState, cleanwin) },
    { "fprs", offsetof(CPUState, fprs) },
#endif
1980 1981 1982 1983
#endif
    { NULL },
};

1984
static void expr_error(const char *msg)
B
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1985
{
1986
    term_printf("%s\n", msg);
1987 1988 1989
    longjmp(expr_env, 1);
}

B
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1990
/* return 0 if OK, -1 if not found, -2 if no CPU defined */
B
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1991
static int get_monitor_def(target_long *pval, const char *name)
1992
{
B
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1993
    const MonitorDef *md;
B
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1994 1995
    void *ptr;

1996 1997 1998
    for(md = monitor_defs; md->name != NULL; md++) {
        if (compare_cmd(name, md->name)) {
            if (md->get_value) {
1999
                *pval = md->get_value(md, md->offset);
2000
            } else {
B
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2001 2002 2003 2004
                CPUState *env = mon_get_cpu();
                if (!env)
                    return -2;
                ptr = (uint8_t *)env + md->offset;
B
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2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
                switch(md->type) {
                case MD_I32:
                    *pval = *(int32_t *)ptr;
                    break;
                case MD_TLONG:
                    *pval = *(target_long *)ptr;
                    break;
                default:
                    *pval = 0;
                    break;
                }
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026
            }
            return 0;
        }
    }
    return -1;
}

static void next(void)
{
    if (pch != '\0') {
        pch++;
2027
        while (qemu_isspace(*pch))
2028 2029 2030 2031
            pch++;
    }
}

B
blueswir1 已提交
2032
static int64_t expr_sum(void);
2033

B
blueswir1 已提交
2034
static int64_t expr_unary(void)
2035
{
B
blueswir1 已提交
2036
    int64_t n;
2037
    char *p;
B
bellard 已提交
2038
    int ret;
2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060

    switch(*pch) {
    case '+':
        next();
        n = expr_unary();
        break;
    case '-':
        next();
        n = -expr_unary();
        break;
    case '~':
        next();
        n = ~expr_unary();
        break;
    case '(':
        next();
        n = expr_sum();
        if (*pch != ')') {
            expr_error("')' expected");
        }
        next();
        break;
B
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2061 2062 2063 2064 2065 2066 2067 2068 2069 2070
    case '\'':
        pch++;
        if (*pch == '\0')
            expr_error("character constant expected");
        n = *pch;
        pch++;
        if (*pch != '\'')
            expr_error("missing terminating \' character");
        next();
        break;
2071 2072 2073
    case '$':
        {
            char buf[128], *q;
2074
            target_long reg=0;
2075

2076 2077 2078 2079 2080
            pch++;
            q = buf;
            while ((*pch >= 'a' && *pch <= 'z') ||
                   (*pch >= 'A' && *pch <= 'Z') ||
                   (*pch >= '0' && *pch <= '9') ||
B
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2081
                   *pch == '_' || *pch == '.') {
2082 2083 2084 2085
                if ((q - buf) < sizeof(buf) - 1)
                    *q++ = *pch;
                pch++;
            }
2086
            while (qemu_isspace(*pch))
2087 2088
                pch++;
            *q = 0;
2089
            ret = get_monitor_def(&reg, buf);
B
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2090
            if (ret == -1)
2091
                expr_error("unknown register");
2092
            else if (ret == -2)
B
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2093
                expr_error("no cpu defined");
2094
            n = reg;
2095 2096 2097 2098 2099 2100 2101
        }
        break;
    case '\0':
        expr_error("unexpected end of expression");
        n = 0;
        break;
    default:
2102
#if TARGET_PHYS_ADDR_BITS > 32
B
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2103 2104
        n = strtoull(pch, &p, 0);
#else
2105
        n = strtoul(pch, &p, 0);
B
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2106
#endif
2107 2108 2109 2110
        if (pch == p) {
            expr_error("invalid char in expression");
        }
        pch = p;
2111
        while (qemu_isspace(*pch))
2112 2113 2114 2115 2116 2117 2118
            pch++;
        break;
    }
    return n;
}


B
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2119
static int64_t expr_prod(void)
2120
{
B
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2121
    int64_t val, val2;
B
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2122
    int op;
2123

2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137
    val = expr_unary();
    for(;;) {
        op = *pch;
        if (op != '*' && op != '/' && op != '%')
            break;
        next();
        val2 = expr_unary();
        switch(op) {
        default:
        case '*':
            val *= val2;
            break;
        case '/':
        case '%':
2138
            if (val2 == 0)
B
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2139
                expr_error("division by zero");
2140 2141 2142 2143 2144 2145 2146 2147 2148 2149
            if (op == '/')
                val /= val2;
            else
                val %= val2;
            break;
        }
    }
    return val;
}

B
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2150
static int64_t expr_logic(void)
2151
{
B
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2152
    int64_t val, val2;
B
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2153
    int op;
2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177

    val = expr_prod();
    for(;;) {
        op = *pch;
        if (op != '&' && op != '|' && op != '^')
            break;
        next();
        val2 = expr_prod();
        switch(op) {
        default:
        case '&':
            val &= val2;
            break;
        case '|':
            val |= val2;
            break;
        case '^':
            val ^= val2;
            break;
        }
    }
    return val;
}

B
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2178
static int64_t expr_sum(void)
2179
{
B
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2180
    int64_t val, val2;
B
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2181
    int op;
2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197

    val = expr_logic();
    for(;;) {
        op = *pch;
        if (op != '+' && op != '-')
            break;
        next();
        val2 = expr_logic();
        if (op == '+')
            val += val2;
        else
            val -= val2;
    }
    return val;
}

B
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2198
static int get_expr(int64_t *pval, const char **pp)
2199 2200 2201 2202 2203 2204
{
    pch = *pp;
    if (setjmp(expr_env)) {
        *pp = pch;
        return -1;
    }
2205
    while (qemu_isspace(*pch))
2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217
        pch++;
    *pval = expr_sum();
    *pp = pch;
    return 0;
}

static int get_str(char *buf, int buf_size, const char **pp)
{
    const char *p;
    char *q;
    int c;

B
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2218
    q = buf;
2219
    p = *pp;
2220
    while (qemu_isspace(*p))
2221 2222 2223
        p++;
    if (*p == '\0') {
    fail:
B
bellard 已提交
2224
        *q = '\0';
2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259
        *pp = p;
        return -1;
    }
    if (*p == '\"') {
        p++;
        while (*p != '\0' && *p != '\"') {
            if (*p == '\\') {
                p++;
                c = *p++;
                switch(c) {
                case 'n':
                    c = '\n';
                    break;
                case 'r':
                    c = '\r';
                    break;
                case '\\':
                case '\'':
                case '\"':
                    break;
                default:
                    qemu_printf("unsupported escape code: '\\%c'\n", c);
                    goto fail;
                }
                if ((q - buf) < buf_size - 1) {
                    *q++ = c;
                }
            } else {
                if ((q - buf) < buf_size - 1) {
                    *q++ = *p;
                }
                p++;
            }
        }
        if (*p != '\"') {
B
bellard 已提交
2260
            qemu_printf("unterminated string\n");
2261 2262 2263 2264
            goto fail;
        }
        p++;
    } else {
2265
        while (*p != '\0' && !qemu_isspace(*p)) {
2266 2267 2268 2269 2270 2271
            if ((q - buf) < buf_size - 1) {
                *q++ = *p;
            }
            p++;
        }
    }
B
bellard 已提交
2272
    *q = '\0';
2273 2274 2275 2276 2277 2278 2279 2280 2281
    *pp = p;
    return 0;
}

static int default_fmt_format = 'x';
static int default_fmt_size = 4;

#define MAX_ARGS 16

2282
static void monitor_handle_command(const char *cmdline)
2283 2284 2285 2286
{
    const char *p, *pstart, *typestr;
    char *q;
    int c, nb_args, len, i, has_arg;
B
blueswir1 已提交
2287
    const term_cmd_t *cmd;
2288 2289 2290 2291
    char cmdname[256];
    char buf[1024];
    void *str_allocated[MAX_ARGS];
    void *args[MAX_ARGS];
2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302
    void (*handler_0)(void);
    void (*handler_1)(void *arg0);
    void (*handler_2)(void *arg0, void *arg1);
    void (*handler_3)(void *arg0, void *arg1, void *arg2);
    void (*handler_4)(void *arg0, void *arg1, void *arg2, void *arg3);
    void (*handler_5)(void *arg0, void *arg1, void *arg2, void *arg3,
                      void *arg4);
    void (*handler_6)(void *arg0, void *arg1, void *arg2, void *arg3,
                      void *arg4, void *arg5);
    void (*handler_7)(void *arg0, void *arg1, void *arg2, void *arg3,
                      void *arg4, void *arg5, void *arg6);
B
bellard 已提交
2303 2304 2305 2306

#ifdef DEBUG
    term_printf("command='%s'\n", cmdline);
#endif
2307

2308
    /* extract the command name */
B
bellard 已提交
2309
    p = cmdline;
2310
    q = cmdname;
2311
    while (qemu_isspace(*p))
2312 2313 2314 2315
        p++;
    if (*p == '\0')
        return;
    pstart = p;
2316
    while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
2317 2318 2319 2320 2321 2322
        p++;
    len = p - pstart;
    if (len > sizeof(cmdname) - 1)
        len = sizeof(cmdname) - 1;
    memcpy(cmdname, pstart, len);
    cmdname[len] = '\0';
2323

2324 2325
    /* find the command */
    for(cmd = term_cmds; cmd->name != NULL; cmd++) {
2326
        if (compare_cmd(cmdname, cmd->name))
2327 2328 2329 2330 2331 2332 2333 2334
            goto found;
    }
    term_printf("unknown command: '%s'\n", cmdname);
    return;
 found:

    for(i = 0; i < MAX_ARGS; i++)
        str_allocated[i] = NULL;
2335

2336 2337 2338
    /* parse the parameters */
    typestr = cmd->args_type;
    nb_args = 0;
B
bellard 已提交
2339
    for(;;) {
2340 2341
        c = *typestr;
        if (c == '\0')
B
bellard 已提交
2342
            break;
2343 2344 2345
        typestr++;
        switch(c) {
        case 'F':
B
bellard 已提交
2346
        case 'B':
2347 2348 2349 2350
        case 's':
            {
                int ret;
                char *str;
2351

2352
                while (qemu_isspace(*p))
2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363
                    p++;
                if (*typestr == '?') {
                    typestr++;
                    if (*p == '\0') {
                        /* no optional string: NULL argument */
                        str = NULL;
                        goto add_str;
                    }
                }
                ret = get_str(buf, sizeof(buf), &p);
                if (ret < 0) {
B
bellard 已提交
2364 2365
                    switch(c) {
                    case 'F':
2366
                        term_printf("%s: filename expected\n", cmdname);
B
bellard 已提交
2367 2368 2369 2370 2371
                        break;
                    case 'B':
                        term_printf("%s: block device name expected\n", cmdname);
                        break;
                    default:
2372
                        term_printf("%s: string expected\n", cmdname);
B
bellard 已提交
2373 2374
                        break;
                    }
2375 2376 2377
                    goto fail;
                }
                str = qemu_malloc(strlen(buf) + 1);
B
blueswir1 已提交
2378
                pstrcpy(str, sizeof(buf), buf);
2379 2380 2381 2382 2383 2384 2385 2386 2387
                str_allocated[nb_args] = str;
            add_str:
                if (nb_args >= MAX_ARGS) {
                error_args:
                    term_printf("%s: too many arguments\n", cmdname);
                    goto fail;
                }
                args[nb_args++] = str;
            }
B
bellard 已提交
2388
            break;
2389 2390 2391
        case '/':
            {
                int count, format, size;
2392

2393
                while (qemu_isspace(*p))
2394 2395 2396 2397 2398
                    p++;
                if (*p == '/') {
                    /* format found */
                    p++;
                    count = 1;
2399
                    if (qemu_isdigit(*p)) {
2400
                        count = 0;
2401
                        while (qemu_isdigit(*p)) {
2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439
                            count = count * 10 + (*p - '0');
                            p++;
                        }
                    }
                    size = -1;
                    format = -1;
                    for(;;) {
                        switch(*p) {
                        case 'o':
                        case 'd':
                        case 'u':
                        case 'x':
                        case 'i':
                        case 'c':
                            format = *p++;
                            break;
                        case 'b':
                            size = 1;
                            p++;
                            break;
                        case 'h':
                            size = 2;
                            p++;
                            break;
                        case 'w':
                            size = 4;
                            p++;
                            break;
                        case 'g':
                        case 'L':
                            size = 8;
                            p++;
                            break;
                        default:
                            goto next;
                        }
                    }
                next:
2440
                    if (*p != '\0' && !qemu_isspace(*p)) {
2441 2442 2443 2444 2445
                        term_printf("invalid char in format: '%c'\n", *p);
                        goto fail;
                    }
                    if (format < 0)
                        format = default_fmt_format;
2446 2447 2448 2449
                    if (format != 'i') {
                        /* for 'i', not specifying a size gives -1 as size */
                        if (size < 0)
                            size = default_fmt_size;
A
aurel32 已提交
2450
                        default_fmt_size = size;
2451
                    }
2452 2453 2454 2455
                    default_fmt_format = format;
                } else {
                    count = 1;
                    format = default_fmt_format;
2456 2457 2458 2459 2460
                    if (format != 'i') {
                        size = default_fmt_size;
                    } else {
                        size = -1;
                    }
2461 2462 2463
                }
                if (nb_args + 3 > MAX_ARGS)
                    goto error_args;
J
j_mayer 已提交
2464 2465 2466
                args[nb_args++] = (void*)(long)count;
                args[nb_args++] = (void*)(long)format;
                args[nb_args++] = (void*)(long)size;
2467
            }
B
bellard 已提交
2468
            break;
2469
        case 'i':
B
bellard 已提交
2470
        case 'l':
2471
            {
B
blueswir1 已提交
2472
                int64_t val;
2473

2474
                while (qemu_isspace(*p))
2475
                    p++;
B
bellard 已提交
2476 2477 2478 2479 2480 2481 2482 2483 2484
                if (*typestr == '?' || *typestr == '.') {
                    if (*typestr == '?') {
                        if (*p == '\0')
                            has_arg = 0;
                        else
                            has_arg = 1;
                    } else {
                        if (*p == '.') {
                            p++;
2485
                            while (qemu_isspace(*p))
B
bellard 已提交
2486 2487 2488 2489 2490 2491
                                p++;
                            has_arg = 1;
                        } else {
                            has_arg = 0;
                        }
                    }
B
bellard 已提交
2492
                    typestr++;
2493 2494
                    if (nb_args >= MAX_ARGS)
                        goto error_args;
J
j_mayer 已提交
2495
                    args[nb_args++] = (void *)(long)has_arg;
2496 2497 2498 2499 2500 2501 2502 2503 2504 2505
                    if (!has_arg) {
                        if (nb_args >= MAX_ARGS)
                            goto error_args;
                        val = -1;
                        goto add_num;
                    }
                }
                if (get_expr(&val, &p))
                    goto fail;
            add_num:
B
bellard 已提交
2506 2507 2508
                if (c == 'i') {
                    if (nb_args >= MAX_ARGS)
                        goto error_args;
J
j_mayer 已提交
2509
                    args[nb_args++] = (void *)(long)val;
B
bellard 已提交
2510 2511 2512
                } else {
                    if ((nb_args + 1) >= MAX_ARGS)
                        goto error_args;
2513
#if TARGET_PHYS_ADDR_BITS > 32
J
j_mayer 已提交
2514
                    args[nb_args++] = (void *)(long)((val >> 32) & 0xffffffff);
B
bellard 已提交
2515 2516 2517
#else
                    args[nb_args++] = (void *)0;
#endif
J
j_mayer 已提交
2518
                    args[nb_args++] = (void *)(long)(val & 0xffffffff);
B
bellard 已提交
2519
                }
2520 2521 2522 2523 2524 2525
            }
            break;
        case '-':
            {
                int has_option;
                /* option */
2526

2527 2528 2529
                c = *typestr++;
                if (c == '\0')
                    goto bad_type;
2530
                while (qemu_isspace(*p))
2531 2532 2533 2534 2535
                    p++;
                has_option = 0;
                if (*p == '-') {
                    p++;
                    if (*p != c) {
2536
                        term_printf("%s: unsupported option -%c\n",
2537 2538 2539 2540 2541 2542 2543 2544
                                    cmdname, *p);
                        goto fail;
                    }
                    p++;
                    has_option = 1;
                }
                if (nb_args >= MAX_ARGS)
                    goto error_args;
J
j_mayer 已提交
2545
                args[nb_args++] = (void *)(long)has_option;
2546 2547 2548 2549 2550 2551 2552
            }
            break;
        default:
        bad_type:
            term_printf("%s: unknown type '%c'\n", cmdname, c);
            goto fail;
        }
B
bellard 已提交
2553
    }
2554
    /* check that all arguments were parsed */
2555
    while (qemu_isspace(*p))
2556 2557
        p++;
    if (*p != '\0') {
2558
        term_printf("%s: extraneous characters at the end of line\n",
2559 2560
                    cmdname);
        goto fail;
B
bellard 已提交
2561
    }
2562 2563 2564

    switch(nb_args) {
    case 0:
2565 2566
        handler_0 = cmd->handler;
        handler_0();
2567 2568
        break;
    case 1:
2569 2570
        handler_1 = cmd->handler;
        handler_1(args[0]);
2571 2572
        break;
    case 2:
2573 2574
        handler_2 = cmd->handler;
        handler_2(args[0], args[1]);
2575 2576
        break;
    case 3:
2577 2578
        handler_3 = cmd->handler;
        handler_3(args[0], args[1], args[2]);
2579 2580
        break;
    case 4:
2581 2582
        handler_4 = cmd->handler;
        handler_4(args[0], args[1], args[2], args[3]);
2583 2584
        break;
    case 5:
2585 2586
        handler_5 = cmd->handler;
        handler_5(args[0], args[1], args[2], args[3], args[4]);
2587
        break;
B
bellard 已提交
2588
    case 6:
2589 2590
        handler_6 = cmd->handler;
        handler_6(args[0], args[1], args[2], args[3], args[4], args[5]);
B
bellard 已提交
2591
        break;
B
bellard 已提交
2592
    case 7:
2593 2594
        handler_7 = cmd->handler;
        handler_7(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
B
bellard 已提交
2595
        break;
2596 2597 2598
    default:
        term_printf("unsupported number of arguments: %d\n", nb_args);
        goto fail;
B
bellard 已提交
2599
    }
2600 2601 2602
 fail:
    for(i = 0; i < MAX_ARGS; i++)
        qemu_free(str_allocated[i]);
B
bellard 已提交
2603 2604 2605
    return;
}

B
bellard 已提交
2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640
static void cmd_completion(const char *name, const char *list)
{
    const char *p, *pstart;
    char cmd[128];
    int len;

    p = list;
    for(;;) {
        pstart = p;
        p = strchr(p, '|');
        if (!p)
            p = pstart + strlen(pstart);
        len = p - pstart;
        if (len > sizeof(cmd) - 2)
            len = sizeof(cmd) - 2;
        memcpy(cmd, pstart, len);
        cmd[len] = '\0';
        if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
            add_completion(cmd);
        }
        if (*p == '\0')
            break;
        p++;
    }
}

static void file_completion(const char *input)
{
    DIR *ffs;
    struct dirent *d;
    char path[1024];
    char file[1024], file_prefix[1024];
    int input_path_len;
    const char *p;

2641
    p = strrchr(input, '/');
B
bellard 已提交
2642 2643 2644
    if (!p) {
        input_path_len = 0;
        pstrcpy(file_prefix, sizeof(file_prefix), input);
B
blueswir1 已提交
2645
        pstrcpy(path, sizeof(path), ".");
B
bellard 已提交
2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666
    } else {
        input_path_len = p - input + 1;
        memcpy(path, input, input_path_len);
        if (input_path_len > sizeof(path) - 1)
            input_path_len = sizeof(path) - 1;
        path[input_path_len] = '\0';
        pstrcpy(file_prefix, sizeof(file_prefix), p + 1);
    }
#ifdef DEBUG_COMPLETION
    term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
#endif
    ffs = opendir(path);
    if (!ffs)
        return;
    for(;;) {
        struct stat sb;
        d = readdir(ffs);
        if (!d)
            break;
        if (strstart(d->d_name, file_prefix, NULL)) {
            memcpy(file, input, input_path_len);
B
blueswir1 已提交
2667 2668 2669
            if (input_path_len < sizeof(file))
                pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
                        d->d_name);
B
bellard 已提交
2670 2671 2672 2673 2674
            /* stat the file to find out if it's a directory.
             * In that case add a slash to speed up typing long paths
             */
            stat(file, &sb);
            if(S_ISDIR(sb.st_mode))
B
blueswir1 已提交
2675
                pstrcat(file, sizeof(file), "/");
B
bellard 已提交
2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702
            add_completion(file);
        }
    }
    closedir(ffs);
}

static void block_completion_it(void *opaque, const char *name)
{
    const char *input = opaque;

    if (input[0] == '\0' ||
        !strncmp(name, (char *)input, strlen(input))) {
        add_completion(name);
    }
}

/* NOTE: this parser is an approximate form of the real command parser */
static void parse_cmdline(const char *cmdline,
                         int *pnb_args, char **args)
{
    const char *p;
    int nb_args, ret;
    char buf[1024];

    p = cmdline;
    nb_args = 0;
    for(;;) {
2703
        while (qemu_isspace(*p))
B
bellard 已提交
2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717
            p++;
        if (*p == '\0')
            break;
        if (nb_args >= MAX_ARGS)
            break;
        ret = get_str(buf, sizeof(buf), &p);
        args[nb_args] = qemu_strdup(buf);
        nb_args++;
        if (ret < 0)
            break;
    }
    *pnb_args = nb_args;
}

2718
void readline_find_completion(const char *cmdline)
B
bellard 已提交
2719 2720 2721 2722 2723
{
    const char *cmdname;
    char *args[MAX_ARGS];
    int nb_args, i, len;
    const char *ptype, *str;
B
blueswir1 已提交
2724
    const term_cmd_t *cmd;
2725
    const KeyDef *key;
B
bellard 已提交
2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736

    parse_cmdline(cmdline, &nb_args, args);
#ifdef DEBUG_COMPLETION
    for(i = 0; i < nb_args; i++) {
        term_printf("arg%d = '%s'\n", i, (char *)args[i]);
    }
#endif

    /* if the line ends with a space, it means we want to complete the
       next arg */
    len = strlen(cmdline);
2737
    if (len > 0 && qemu_isspace(cmdline[len - 1])) {
B
bellard 已提交
2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779
        if (nb_args >= MAX_ARGS)
            return;
        args[nb_args++] = qemu_strdup("");
    }
    if (nb_args <= 1) {
        /* command completion */
        if (nb_args == 0)
            cmdname = "";
        else
            cmdname = args[0];
        completion_index = strlen(cmdname);
        for(cmd = term_cmds; cmd->name != NULL; cmd++) {
            cmd_completion(cmdname, cmd->name);
        }
    } else {
        /* find the command */
        for(cmd = term_cmds; cmd->name != NULL; cmd++) {
            if (compare_cmd(args[0], cmd->name))
                goto found;
        }
        return;
    found:
        ptype = cmd->args_type;
        for(i = 0; i < nb_args - 2; i++) {
            if (*ptype != '\0') {
                ptype++;
                while (*ptype == '?')
                    ptype++;
            }
        }
        str = args[nb_args - 1];
        switch(*ptype) {
        case 'F':
            /* file completion */
            completion_index = strlen(str);
            file_completion(str);
            break;
        case 'B':
            /* block device name completion */
            completion_index = strlen(str);
            bdrv_iterate(block_completion_it, (void *)str);
            break;
B
bellard 已提交
2780 2781 2782 2783 2784 2785 2786
        case 's':
            /* XXX: more generic ? */
            if (!strcmp(cmd->name, "info")) {
                completion_index = strlen(str);
                for(cmd = info_cmds; cmd->name != NULL; cmd++) {
                    cmd_completion(str, cmd->name);
                }
2787 2788 2789 2790 2791
            } else if (!strcmp(cmd->name, "sendkey")) {
                completion_index = strlen(str);
                for(key = key_defs; key->name != NULL; key++) {
                    cmd_completion(str, key->name);
                }
B
bellard 已提交
2792 2793
            }
            break;
B
bellard 已提交
2794 2795 2796 2797 2798 2799 2800 2801
        default:
            break;
        }
    }
    for(i = 0; i < nb_args; i++)
        qemu_free(args[i]);
}

2802
static int term_can_read(void *opaque)
B
bellard 已提交
2803
{
2804
    return 128;
B
bellard 已提交
2805 2806
}

2807
static void term_read(void *opaque, const uint8_t *buf, int size)
B
bellard 已提交
2808
{
2809 2810 2811
    int i;
    for(i = 0; i < size; i++)
        readline_handle_byte(buf[i]);
B
bellard 已提交
2812 2813
}

2814 2815
static int monitor_suspended;

2816
static void monitor_handle_command1(void *opaque, const char *cmdline)
B
bellard 已提交
2817
{
2818
    monitor_handle_command(cmdline);
2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834
    if (!monitor_suspended)
        monitor_start_input();
    else
        monitor_suspended = 2;
}

void monitor_suspend(void)
{
    monitor_suspended = 1;
}

void monitor_resume(void)
{
    if (monitor_suspended == 2)
        monitor_start_input();
    monitor_suspended = 0;
B
bellard 已提交
2835 2836
}

2837
static void monitor_start_input(void)
B
bellard 已提交
2838
{
2839
    readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
B
bellard 已提交
2840 2841
}

2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852
static void term_event(void *opaque, int event)
{
    if (event != CHR_EVENT_RESET)
	return;

    if (!hide_banner)
	    term_printf("QEMU %s monitor - type 'help' for more information\n",
			QEMU_VERSION);
    monitor_start_input();
}

T
ths 已提交
2853 2854
static int is_first_init = 1;

2855
void monitor_init(CharDriverState *hd, int show_banner)
B
bellard 已提交
2856
{
T
ths 已提交
2857 2858 2859
    int i;

    if (is_first_init) {
2860 2861 2862
        key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
        if (!key_timer)
            return;
T
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2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874
        for (i = 0; i < MAX_MON; i++) {
            monitor_hd[i] = NULL;
        }
        is_first_init = 0;
    }
    for (i = 0; i < MAX_MON; i++) {
        if (monitor_hd[i] == NULL) {
            monitor_hd[i] = hd;
            break;
        }
    }

2875 2876
    hide_banner = !show_banner;

2877
    qemu_chr_add_handlers(hd, term_can_read, term_read, term_event, NULL);
2878 2879

    readline_start("", 0, monitor_handle_command1, NULL);
B
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2880 2881
}

2882 2883 2884 2885 2886
/* XXX: use threads ? */
/* modal monitor readline */
static int monitor_readline_started;
static char *monitor_readline_buf;
static int monitor_readline_buf_size;
B
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2887

2888
static void monitor_readline_cb(void *opaque, const char *input)
B
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2889
{
2890 2891
    pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
    monitor_readline_started = 0;
B
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2892 2893
}

2894 2895
void monitor_readline(const char *prompt, int is_password,
                      char *buf, int buf_size)
B
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2896
{
T
ths 已提交
2897
    int i;
2898
    int old_focus[MAX_MON];
T
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2899

2900
    if (is_password) {
2901 2902 2903 2904 2905
        for (i = 0; i < MAX_MON; i++) {
            old_focus[i] = 0;
            if (monitor_hd[i]) {
                old_focus[i] = monitor_hd[i]->focus;
                monitor_hd[i]->focus = 0;
T
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2906
                qemu_chr_send_event(monitor_hd[i], CHR_EVENT_FOCUS);
2907 2908
            }
        }
B
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2909
    }
2910

2911 2912 2913 2914 2915 2916
    readline_start(prompt, is_password, monitor_readline_cb, NULL);
    monitor_readline_buf = buf;
    monitor_readline_buf_size = buf_size;
    monitor_readline_started = 1;
    while (monitor_readline_started) {
        main_loop_wait(10);
B
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2917
    }
2918 2919 2920 2921 2922 2923
    /* restore original focus */
    if (is_password) {
        for (i = 0; i < MAX_MON; i++)
            if (old_focus[i])
                monitor_hd[i]->focus = old_focus[i];
    }
B
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2924
}