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monitor.c 85.2 KB
bellard authored
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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 <dirent.h>
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#include "hw/hw.h"
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#include "hw/qdev.h"
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#include "hw/usb.h"
#include "hw/pcmcia.h"
#include "hw/pc.h"
#include "hw/pci.h"
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#include "hw/watchdog.h"
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#include "gdbstub.h"
#include "net.h"
#include "qemu-char.h"
#include "sysemu.h"
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#include "monitor.h"
#include "readline.h"
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#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 "qemu-timer.h"
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#include "migration.h"
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#include "kvm.h"
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#include "acl.h"
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bellard authored
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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 mon_cmd_t {
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    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;
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} mon_cmd_t;
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struct Monitor {
    CharDriverState *chr;
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    int flags;
    int suspend_cnt;
    uint8_t outbuf[1024];
    int outbuf_index;
    ReadLineState *rs;
    CPUState *mon_cpu;
    BlockDriverCompletionFunc *password_completion_cb;
    void *password_opaque;
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    LIST_ENTRY(Monitor) entry;
};

static LIST_HEAD(mon_list, Monitor) mon_list;
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static const mon_cmd_t mon_cmds[];
static const mon_cmd_t info_cmds[];
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Monitor *cur_mon = NULL;
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static void monitor_command_cb(Monitor *mon, const char *cmdline,
                               void *opaque);
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static void monitor_read_command(Monitor *mon, int show_prompt)
{
    readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
    if (show_prompt)
        readline_show_prompt(mon->rs);
}
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static int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
                                 void *opaque)
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{
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    if (mon->rs) {
        readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
        /* prompt is printed on return from the command handler */
        return 0;
    } else {
        monitor_printf(mon, "terminal does not support password prompting\n");
        return -ENOTTY;
    }
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}
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void monitor_flush(Monitor *mon)
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{
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    if (mon && mon->outbuf_index != 0 && mon->chr->focus == 0) {
        qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
        mon->outbuf_index = 0;
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    }
}

/* flush at every end of line or if the buffer is full */
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static void monitor_puts(Monitor *mon, const char *str)
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{
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    char c;
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    if (!mon)
        return;
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    for(;;) {
        c = *str++;
        if (c == '\0')
            break;
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        if (c == '\n')
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            mon->outbuf[mon->outbuf_index++] = '\r';
        mon->outbuf[mon->outbuf_index++] = c;
        if (mon->outbuf_index >= (sizeof(mon->outbuf) - 1)
            || c == '\n')
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            monitor_flush(mon);
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    }
}
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void monitor_vprintf(Monitor *mon, 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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    monitor_puts(mon, buf);
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}
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void monitor_printf(Monitor *mon, const char *fmt, ...)
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{
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    va_list ap;
    va_start(ap, fmt);
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    monitor_vprintf(mon, fmt, ap);
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    va_end(ap);
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}
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void monitor_print_filename(Monitor *mon, const char *filename)
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{
    int i;

    for (i = 0; filename[i]; i++) {
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        switch (filename[i]) {
        case ' ':
        case '"':
        case '\\':
            monitor_printf(mon, "\\%c", filename[i]);
            break;
        case '\t':
            monitor_printf(mon, "\\t");
            break;
        case '\r':
            monitor_printf(mon, "\\r");
            break;
        case '\n':
            monitor_printf(mon, "\\n");
            break;
        default:
            monitor_printf(mon, "%c", filename[i]);
            break;
        }
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    }
}
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static int monitor_fprintf(FILE *stream, const char *fmt, ...)
{
    va_list ap;
    va_start(ap, fmt);
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    monitor_vprintf((Monitor *)stream, fmt, ap);
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    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_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
                          const char *prefix, const char *name)
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{
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    const mon_cmd_t *cmd;
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    for(cmd = cmds; cmd->name != NULL; cmd++) {
        if (!name || !strcmp(name, cmd->name))
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            monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
                           cmd->params, cmd->help);
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    }
}
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static void help_cmd(Monitor *mon, const char *name)
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{
    if (name && !strcmp(name, "info")) {
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        help_cmd_dump(mon, info_cmds, "info ", NULL);
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    } else {
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        help_cmd_dump(mon, mon_cmds, "", name);
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        if (name && !strcmp(name, "log")) {
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            const CPULogItem *item;
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            monitor_printf(mon, "Log items (comma separated):\n");
            monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
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            for(item = cpu_log_items; item->mask != 0; item++) {
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                monitor_printf(mon, "%-10s %s\n", item->name, item->help);
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            }
        }
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    }
}
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static void do_commit(Monitor *mon, 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(Monitor *mon, const char *item)
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{
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    const mon_cmd_t *cmd;
    void (*handler)(Monitor *);
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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;
    }
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    help_cmd(mon, "info");
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    return;
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    handler = cmd->handler;
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    handler(mon);
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}
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static void do_info_version(Monitor *mon)
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{
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    monitor_printf(mon, "%s\n", QEMU_VERSION QEMU_PKGVERSION);
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}
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static void do_info_name(Monitor *mon)
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{
    if (qemu_name)
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        monitor_printf(mon, "%s\n", qemu_name);
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}
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#if defined(TARGET_I386)
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static void do_info_hpet(Monitor *mon)
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{
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    monitor_printf(mon, "HPET is %s by QEMU\n",
                   (no_hpet) ? "disabled" : "enabled");
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}
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#endif
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static void do_info_uuid(Monitor *mon)
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{
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    monitor_printf(mon, 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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}
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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) {
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            cur_mon->mon_cpu = env;
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            return 0;
        }
    }
    return -1;
}
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static CPUState *mon_get_cpu(void)
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{
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    if (!cur_mon->mon_cpu) {
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        mon_set_cpu(0);
    }
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    cpu_synchronize_state(cur_mon->mon_cpu, 0);
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    return cur_mon->mon_cpu;
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}
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static void do_info_registers(Monitor *mon)
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{
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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, (FILE *)mon, monitor_fprintf,
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                   X86_DUMP_FPU);
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#else
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    cpu_dump_state(env, (FILE *)mon, monitor_fprintf,
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                   0);
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#endif
}
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static void do_info_cpus(Monitor *mon)
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{
    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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        cpu_synchronize_state(env, 0);
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        monitor_printf(mon, "%c CPU #%d:",
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                       (env == mon->mon_cpu) ? '*' : ' ',
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                       env->cpu_index);
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#if defined(TARGET_I386)
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        monitor_printf(mon, " pc=0x" TARGET_FMT_lx,
                       env->eip + env->segs[R_CS].base);
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#elif defined(TARGET_PPC)
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        monitor_printf(mon, " nip=0x" TARGET_FMT_lx, env->nip);
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#elif defined(TARGET_SPARC)
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        monitor_printf(mon, " 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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        monitor_printf(mon, " PC=0x" TARGET_FMT_lx, env->active_tc.PC);
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#endif
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        if (env->halted)
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            monitor_printf(mon, " (halted)");
        monitor_printf(mon, "\n");
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    }
}
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static void do_cpu_set(Monitor *mon, int index)
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{
    if (mon_set_cpu(index) < 0)
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        monitor_printf(mon, "Invalid CPU index\n");
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}
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static void do_info_jit(Monitor *mon)
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{
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    dump_exec_info((FILE *)mon, monitor_fprintf);
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}
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static void do_info_history(Monitor *mon)
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{
    int i;
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    const char *str;
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    if (!mon->rs)
        return;
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    i = 0;
    for(;;) {
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        str = readline_get_history(mon->rs, i);
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        if (!str)
            break;
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        monitor_printf(mon, "%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 */
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static void do_info_cpu_stats(Monitor *mon)
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{
    CPUState *env;

    env = mon_get_cpu();
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    cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
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}
#endif
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static void do_quit(Monitor *mon)
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{
    exit(0);
}
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static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
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{
    if (bdrv_is_inserted(bs)) {
        if (!force) {
            if (!bdrv_is_removable(bs)) {
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                monitor_printf(mon, "device is not removable\n");
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                return -1;
            }
            if (bdrv_is_locked(bs)) {
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                monitor_printf(mon, "device is locked\n");
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                return -1;
            }
        }
        bdrv_close(bs);
    }
    return 0;
}
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static void do_eject(Monitor *mon, 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) {
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        monitor_printf(mon, "device not found\n");
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        return;
    }
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    eject_device(mon, bs, force);
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}
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static void do_change_block(Monitor *mon, 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) {
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        monitor_printf(mon, "device not found\n");
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        return;
    }
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    if (fmt) {
        drv = bdrv_find_format(fmt);
        if (!drv) {
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            monitor_printf(mon, "invalid format %s\n", fmt);
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            return;
        }
    }
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    if (eject_device(mon, bs, 0) < 0)
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        return;
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    bdrv_open2(bs, filename, 0, drv);
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    monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
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}
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static void change_vnc_password_cb(Monitor *mon, const char *password,
                                   void *opaque)
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{
    if (vnc_display_password(NULL, password) < 0)
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        monitor_printf(mon, "could not set VNC server password\n");
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    monitor_read_command(mon, 1);
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}
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static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
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{
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    if (strcmp(target, "passwd") == 0 ||
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        strcmp(target, "password") == 0) {
        if (arg) {
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            char password[9];
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            strncpy(password, arg, sizeof(password));
            password[sizeof(password) - 1] = '\0';
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            change_vnc_password_cb(mon, password, NULL);
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        } else {
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            monitor_read_password(mon, change_vnc_password_cb, NULL);
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        }
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    } else {
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        if (vnc_display_open(NULL, target) < 0)
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            monitor_printf(mon, "could not start VNC server on %s\n", target);
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    }
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}
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static void do_change(Monitor *mon, 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(mon, target, arg);
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    } else {
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        do_change_block(mon, device, target, arg);
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    }
}
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static void do_screen_dump(Monitor *mon, 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(Monitor *mon, const char *filename)
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{
    cpu_set_log_filename(filename);
}
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static void do_log(Monitor *mon, 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(mon, "log");
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            return;
        }
    }
    cpu_set_log(mask);
}
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static void do_singlestep(Monitor *mon, const char *option)
{
    if (!option || !strcmp(option, "on")) {
        singlestep = 1;
    } else if (!strcmp(option, "off")) {
        singlestep = 0;
    } else {
        monitor_printf(mon, "unexpected option %s\n", option);
    }
}
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static void do_stop(Monitor *mon)
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{
    vm_stop(EXCP_INTERRUPT);
}
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static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
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struct bdrv_iterate_context {
    Monitor *mon;
    int err;
};

static void do_cont(Monitor *mon)
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{
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    struct bdrv_iterate_context context = { mon, 0 };
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    bdrv_iterate(encrypted_bdrv_it, &context);
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    /* only resume the vm if all keys are set and valid */
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    if (!context.err)
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        vm_start();
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}
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static void bdrv_key_cb(void *opaque, int err)
{
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    Monitor *mon = opaque;
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    /* another key was set successfully, retry to continue */
    if (!err)
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        do_cont(mon);
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}

static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
{
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    struct bdrv_iterate_context *context = opaque;
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    if (!context->err && bdrv_key_required(bs)) {
        context->err = -EBUSY;
        monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
                                    context->mon);
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    }
}
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static void do_gdbserver(Monitor *mon, const char *device)
{
    if (!device)
        device = "tcp::" DEFAULT_GDBSTUB_PORT;
    if (gdbserver_start(device) < 0) {
        monitor_printf(mon, "Could not open gdbserver on device '%s'\n",
                       device);
    } else if (strcmp(device, "none") == 0) {
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        monitor_printf(mon, "Disabled gdbserver\n");
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    } else {
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        monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
                       device);
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    }
}
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static void do_watchdog_action(Monitor *mon, const char *action)
{
    if (select_watchdog_action(action) == -1) {
        monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
    }
}
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static void monitor_printc(Monitor *mon, int c)
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{
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    monitor_printf(mon, "'");
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    switch(c) {
    case '\'':
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        monitor_printf(mon, "\\'");
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        break;
    case '\\':
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        monitor_printf(mon, "\\\\");
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        break;
    case '\n':
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        monitor_printf(mon, "\\n");
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        break;
    case '\r':
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        monitor_printf(mon, "\\r");
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        break;
    default:
        if (c >= 32 && c <= 126) {
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            monitor_printf(mon, "%c", c);
626
        } else {
627
            monitor_printf(mon, "\\x%02x", c);
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        }
        break;
    }
631
    monitor_printf(mon, "'");
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}
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static void memory_dump(Monitor *mon, int count, int format, int wsize,
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                        target_phys_addr_t addr, int is_physical)
636
{
bellard authored
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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;
648
#ifdef TARGET_I386
649
        if (wsize == 2) {
650
            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 */
655
            flags = 0;
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            if (env) {
#ifdef TARGET_X86_64
658
                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(mon, 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)
699
            monitor_printf(mon, TARGET_FMT_plx ":", addr);
700
        else
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            monitor_printf(mon, 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) {
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                monitor_printf(mon, " Cannot access memory\n");
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                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;
            }
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            monitor_printf(mon, " ");
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            switch(format) {
            case 'o':
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                monitor_printf(mon, "%#*" PRIo64, max_digits, v);
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                break;
            case 'x':
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                monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
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                break;
            case 'u':
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                monitor_printf(mon, "%*" PRIu64, max_digits, v);
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                break;
            case 'd':
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                monitor_printf(mon, "%*" PRId64, max_digits, v);
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                break;
            case 'c':
748
                monitor_printc(mon, v);
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                break;
            }
            i += wsize;
        }
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        monitor_printf(mon, "\n");
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        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
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static void do_memory_dump(Monitor *mon, int count, int format, int size,
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                           uint32_t addrh, uint32_t addrl)
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{
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    target_long addr = GET_TLONG(addrh, addrl);
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    memory_dump(mon, count, format, size, addr, 0);
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}
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#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(Monitor *mon, int count, int format,
                                    int size, uint32_t addrh, uint32_t addrl)
bellard authored
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{
782
    target_phys_addr_t addr = GET_TPHYSADDR(addrh, addrl);
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    memory_dump(mon, count, format, size, addr, 1);
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}
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static void do_print(Monitor *mon, int count, int format, int size,
                     unsigned int valh, unsigned int vall)
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{
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    target_phys_addr_t val = GET_TPHYSADDR(valh, vall);
#if TARGET_PHYS_ADDR_BITS == 32
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    switch(format) {
    case 'o':
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        monitor_printf(mon, "%#o", val);
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        break;
    case 'x':
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        monitor_printf(mon, "%#x", val);
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        break;
    case 'u':
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        monitor_printf(mon, "%u", val);
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        break;
    default:
    case 'd':
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        monitor_printf(mon, "%d", val);
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        break;
    case 'c':
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        monitor_printc(mon, val);
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        break;
    }
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#else
    switch(format) {
    case 'o':
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        monitor_printf(mon, "%#" PRIo64, val);
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        break;
    case 'x':
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        monitor_printf(mon, "%#" PRIx64, val);
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        break;
    case 'u':
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        monitor_printf(mon, "%" PRIu64, val);
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        break;
    default:
    case 'd':
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        monitor_printf(mon, "%" PRId64, val);
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        break;
    case 'c':
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        monitor_printc(mon, val);
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        break;
    }
#endif
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    monitor_printf(mon, "\n");
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}
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static void do_memory_save(Monitor *mon, 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) {
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        monitor_printf(mon, "could not open '%s'\n", filename);
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        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(Monitor *mon, unsigned int valh,
                                    unsigned int vall, uint32_t size,
                                    const char *filename)
aurel32 authored
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{
    FILE *f;
    uint32_t l;
    uint8_t buf[1024];
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    target_phys_addr_t addr = GET_TPHYSADDR(valh, vall); 
aurel32 authored
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    f = fopen(filename, "wb");
    if (!f) {
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        monitor_printf(mon, "could not open '%s'\n", filename);
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        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(Monitor *mon, uint32_t start, uint32_t size)
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{
    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];
    }
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    monitor_printf(mon, "%05d\n", sum);
bellard authored
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}
bellard authored
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typedef struct {
    int keycode;
    const char *name;
} KeyDef;

static const KeyDef key_defs[] = {
    { 0x2a, "shift" },
    { 0x36, "shift_r" },
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    { 0x38, "alt" },
    { 0xb8, "alt_r" },
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    { 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" },
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    { 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" },
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    { 0x33, "comma" },
    { 0x34, "dot" },
    { 0x35, "slash" },
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balrog authored
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    { 0x37, "asterisk" },
bellard authored
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    { 0x39, "spc" },
bellard authored
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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" },
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    { 0xb5, "kp_divide" },
    { 0x37, "kp_multiply" },
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    { 0x4a, "kp_subtract" },
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    { 0x4e, "kp_add" },
    { 0x9c, "kp_enter" },
    { 0x53, "kp_decimal" },
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    { 0x54, "sysrq" },
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    { 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" },
1009
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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" },
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#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
bellard authored
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    { 0, NULL },
};

static int get_keycode(const char *key)
{
    const KeyDef *p;
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    char *endp;
    int ret;
bellard authored
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    for(p = key_defs; p->name != NULL; p++) {
        if (!strcmp(key, p->name))
            return p->keycode;
    }
1059
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1063
    if (strstart(key, "0x", NULL)) {
        ret = strtoul(key, &endp, 0);
        if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
            return ret;
    }
bellard authored
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    return -1;
}
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#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);
    }
}
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static void do_sendkey(Monitor *mon, const char *string, int has_hold_time,
                       int hold_time)
bellard authored
1087
{
1088
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    char keyname_buf[16];
    char *separator;
    int keyname_len, keycode, i;
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    if (nb_pending_keycodes > 0) {
        qemu_del_timer(key_timer);
        release_keys(NULL);
    }
    if (!has_hold_time)
        hold_time = 100;
    i = 0;
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1104
    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) {
1105
                monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1106
                return;
bellard authored
1107
            }
1108
            if (i == MAX_KEYCODES) {
1109
                monitor_printf(mon, "too many keys\n");
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                return;
            }
            keyname_buf[keyname_len] = 0;
            keycode = get_keycode(keyname_buf);
            if (keycode < 0) {
1115
                monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
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1117
                return;
            }
1118
            keycodes[i++] = keycode;
bellard authored
1119
        }
1120
        if (!separator)
bellard authored
1121
            break;
1122
        string = separator + 1;
bellard authored
1123
    }
1124
    nb_pending_keycodes = i;
bellard authored
1125
    /* key down events */
1126
    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);
    }
1132
    /* delayed key up events */
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    qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
                    muldiv64(ticks_per_sec, hold_time, 1000));
bellard authored
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}
bellard authored
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static int mouse_button_state;
1139
static void do_mouse_move(Monitor *mon, const char *dx_str, const char *dy_str,
bellard authored
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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;
1146
    if (dz_str)
bellard authored
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        dz = strtol(dz_str, NULL, 0);
    kbd_mouse_event(dx, dy, dz, mouse_button_state);
}
1151
static void do_mouse_button(Monitor *mon, int button_state)
bellard authored
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{
    mouse_button_state = button_state;
    kbd_mouse_event(0, 0, 0, mouse_button_state);
}
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static void do_ioport_read(Monitor *mon, int count, int format, int size,
                           int addr, int has_index, int index)
bellard authored
1159
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{
    uint32_t val;
    int suffix;

    if (has_index) {
1164
        cpu_outb(NULL, addr & IOPORTS_MASK, index & 0xff);
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        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;
    }
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    monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
                   suffix, addr, size * 2, val);
bellard authored
1186
}
bellard authored
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static void do_ioport_write(Monitor *mon, int count, int format, int size,
                            int addr, int val)
{
    addr &= IOPORTS_MASK;

    switch (size) {
    default:
    case 1:
        cpu_outb(NULL, addr, val);
        break;
    case 2:
        cpu_outw(NULL, addr, val);
        break;
    case 4:
        cpu_outl(NULL, addr, val);
        break;
    }
}
1207
static void do_boot_set(Monitor *mon, const char *bootdevice)
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{
    int res;
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1215
    res = qemu_boot_set(bootdevice);
    if (res == 0) {
        monitor_printf(mon, "boot device list now set to %s\n", bootdevice);
    } else if (res > 0) {
        monitor_printf(mon, "setting boot device list failed\n");
1216
    } else {
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        monitor_printf(mon, "no function defined to set boot device list for "
                       "this architecture\n");
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    }
}
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static void do_system_reset(Monitor *mon)
bellard authored
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{
    qemu_system_reset_request();
}
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static void do_system_powerdown(Monitor *mon)
bellard authored
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{
    qemu_system_powerdown_request();
}
bellard authored
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#if defined(TARGET_I386)
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static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
bellard authored
1234
{
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    monitor_printf(mon, "%08x: %08x %c%c%c%c%c%c%c%c\n",
                   addr,
                   pte & mask,
                   pte & PG_GLOBAL_MASK ? 'G' : '-',
                   pte & PG_PSE_MASK ? 'P' : '-',
                   pte & PG_DIRTY_MASK ? 'D' : '-',
                   pte & PG_ACCESSED_MASK ? 'A' : '-',
                   pte & PG_PCD_MASK ? 'C' : '-',
                   pte & PG_PWT_MASK ? 'T' : '-',
                   pte & PG_USER_MASK ? 'U' : '-',
                   pte & PG_RW_MASK ? 'W' : '-');
bellard authored
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}
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static void tlb_info(Monitor *mon)
bellard authored
1249
{
bellard authored
1250
    CPUState *env;
bellard authored
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    int l1, l2;
    uint32_t pgd, pde, pte;
bellard authored
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    env = mon_get_cpu();
    if (!env)
        return;
bellard authored
1258
    if (!(env->cr[0] & CR0_PG_MASK)) {
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        monitor_printf(mon, "PG disabled\n");
bellard authored
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        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)) {
1268
                print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
bellard authored
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            } else {
                for(l2 = 0; l2 < 1024; l2++) {
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                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
bellard authored
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                                             (uint8_t *)&pte, 4);
                    pte = le32_to_cpu(pte);
                    if (pte & PG_PRESENT_MASK) {
1275
                        print_pte(mon, (l1 << 22) + (l2 << 12),
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                                  pte & ~PG_PSE_MASK,
bellard authored
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                                  ~0xfff);
                    }
                }
            }
        }
    }
}
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static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
bellard authored
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                      uint32_t end, int prot)
{
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    int prot1;
    prot1 = *plast_prot;
    if (prot != prot1) {
bellard authored
1291
        if (*pstart != -1) {
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            monitor_printf(mon, "%08x-%08x %08x %c%c%c\n",
                           *pstart, end, end - *pstart,
                           prot1 & PG_USER_MASK ? 'u' : '-',
                           'r',
                           prot1 & PG_RW_MASK ? 'w' : '-');
bellard authored
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        }
        if (prot != 0)
            *pstart = end;
        else
            *pstart = -1;
        *plast_prot = prot;
    }
}
1306
static void mem_info(Monitor *mon)
bellard authored
1307
{
bellard authored
1308
    CPUState *env;
bellard authored
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    int l1, l2, prot, last_prot;
    uint32_t pgd, pde, pte, start, end;
bellard authored
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    env = mon_get_cpu();
    if (!env)
        return;
bellard authored
1316
    if (!(env->cr[0] & CR0_PG_MASK)) {
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        monitor_printf(mon, "PG disabled\n");
bellard authored
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        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);
1330
                mem_print(mon, &start, &last_prot, end, prot);
bellard authored
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            } else {
                for(l2 = 0; l2 < 1024; l2++) {
1333
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
bellard authored
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                                             (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;
                    }
1342
                    mem_print(mon, &start, &last_prot, end, prot);
bellard authored
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                }
            }
        } else {
            prot = 0;
1347
            mem_print(mon, &start, &last_prot, end, prot);
bellard authored
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        }
    }
}
#endif
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#if defined(TARGET_SH4)
1355
static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
1356
{
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    monitor_printf(mon, " 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);
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}
1367
static void tlb_info(Monitor *mon)
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{
    CPUState *env = mon_get_cpu();
    int i;
1372
    monitor_printf (mon, "ITLB:\n");
1373
    for (i = 0 ; i < ITLB_SIZE ; i++)
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        print_tlb (mon, i, &env->itlb[i]);
    monitor_printf (mon, "UTLB:\n");
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    for (i = 0 ; i < UTLB_SIZE ; i++)
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        print_tlb (mon, i, &env->utlb[i]);
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}

#endif
1382
static void do_info_kqemu(Monitor *mon)
bellard authored
1383
{
1384
#ifdef CONFIG_KQEMU
bellard authored
1385
    CPUState *env;
bellard authored
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    int val;
    val = 0;
bellard authored
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    env = mon_get_cpu();
    if (!env) {
1390
        monitor_printf(mon, "No cpu initialized yet");
bellard authored
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        return;
    }
    val = env->kqemu_enabled;
1394
    monitor_printf(mon, "kqemu support: ");
bellard authored
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    switch(val) {
    default:
    case 0:
1398
        monitor_printf(mon, "disabled\n");
bellard authored
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        break;
    case 1:
1401
        monitor_printf(mon, "enabled for user code\n");
bellard authored
1402
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        break;
    case 2:
1404
        monitor_printf(mon, "enabled for user and kernel code\n");
bellard authored
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        break;
    }
bellard authored
1407
#else
1408
    monitor_printf(mon, "kqemu support: not compiled\n");
bellard authored
1409
#endif
1410
}
bellard authored
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static void do_info_kvm(Monitor *mon)
aliguori authored
1413
1414
{
#ifdef CONFIG_KVM
1415
    monitor_printf(mon, "kvm support: ");
aliguori authored
1416
    if (kvm_enabled())
1417
        monitor_printf(mon, "enabled\n");
aliguori authored
1418
    else
1419
        monitor_printf(mon, "disabled\n");
aliguori authored
1420
#else
1421
    monitor_printf(mon, "kvm support: not compiled\n");
aliguori authored
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#endif
}
1425
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static void do_info_numa(Monitor *mon)
{
1427
    int i;
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    CPUState *env;

    monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
    for (i = 0; i < nb_numa_nodes; i++) {
        monitor_printf(mon, "node %d cpus:", i);
        for (env = first_cpu; env != NULL; env = env->next_cpu) {
            if (env->numa_node == i) {
                monitor_printf(mon, " %d", env->cpu_index);
            }
        }
        monitor_printf(mon, "\n");
        monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
            node_mem[i] >> 20);
    }
}
bellard authored
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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;
1454
static void do_info_profile(Monitor *mon)
bellard authored
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{
    int64_t total;
    total = qemu_time;
    if (total == 0)
        total = 1;
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    monitor_printf(mon, "async time  %" PRId64 " (%0.3f)\n",
                   dev_time, dev_time / (double)ticks_per_sec);
    monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
                   qemu_time, qemu_time / (double)ticks_per_sec);
    monitor_printf(mon, "kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%"
                        PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%"
                        PRId64 "\n",
                   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);
bellard authored
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    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;
1480
#ifdef CONFIG_KQEMU
bellard authored
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1484
    kqemu_record_dump();
#endif
}
#else
1485
static void do_info_profile(Monitor *mon)
bellard authored
1486
{
1487
    monitor_printf(mon, "Internal profiler not compiled\n");
bellard authored
1488
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1490
}
#endif
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1493
/* Capture support */
static LIST_HEAD (capture_list_head, CaptureState) capture_head;
1494
static void do_info_capture(Monitor *mon)
1495
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1499
{
    int i;
    CaptureState *s;

    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1500
        monitor_printf(mon, "[%d]: ", i);
1501
1502
1503
1504
        s->ops.info (s->opaque);
    }
}
1505
#ifdef HAS_AUDIO
1506
static void do_stop_capture(Monitor *mon, int n)
1507
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1520
{
    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;
        }
    }
}
1521
1522
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1524
static void do_wav_capture(Monitor *mon, const char *path,
                           int has_freq, int freq,
                           int has_bits, int bits,
                           int has_channels, int nchannels)
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{
    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)) {
1535
        monitor_printf(mon, "Faied to add wave capture\n");
1536
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1538
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1540
1541
        qemu_free (s);
    }
    LIST_INSERT_HEAD (&capture_head, s, entries);
}
#endif
1542
#if defined(TARGET_I386)
1543
static void do_inject_nmi(Monitor *mon, int cpu_index)
1544
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1554
{
    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
1555
static void do_info_status(Monitor *mon)
aurel32 authored
1556
{
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1562
1563
    if (vm_running) {
        if (singlestep) {
            monitor_printf(mon, "VM status: running (single step mode)\n");
        } else {
            monitor_printf(mon, "VM status: running\n");
        }
    } else
1564
       monitor_printf(mon, "VM status: paused\n");
aurel32 authored
1565
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1567
}
1568
static void do_balloon(Monitor *mon, int value)
1569
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1573
{
    ram_addr_t target = value;
    qemu_balloon(target << 20);
}
1574
static void do_info_balloon(Monitor *mon)
1575
1576
1577
1578
{
    ram_addr_t actual;

    actual = qemu_balloon_status();
aliguori authored
1579
    if (kvm_enabled() && !kvm_has_sync_mmu())
1580
1581
        monitor_printf(mon, "Using KVM without synchronous MMU, "
                       "ballooning disabled\n");
aliguori authored
1582
    else if (actual == 0)
1583
        monitor_printf(mon, "Ballooning not activated in VM\n");
1584
    else
1585
        monitor_printf(mon, "balloon: actual=%d\n", (int)(actual >> 20));
1586
1587
}
1588
static qemu_acl *find_acl(Monitor *mon, const char *name)
1589
{
1590
    qemu_acl *acl = qemu_acl_find(name);
1591
1592

    if (!acl) {
1593
        monitor_printf(mon, "acl: unknown list '%s'\n", name);
1594
    }
1595
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1597
1598
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1600
1601
1602
    return acl;
}

static void do_acl_show(Monitor *mon, const char *aclname)
{
    qemu_acl *acl = find_acl(mon, aclname);
    qemu_acl_entry *entry;
    int i = 0;
1603
1604
    if (acl) {
1605
        monitor_printf(mon, "policy: %s\n",
1606
                       acl->defaultDeny ? "deny" : "allow");
1607
1608
1609
        TAILQ_FOREACH(entry, &acl->entries, next) {
            i++;
            monitor_printf(mon, "%d: %s %s\n", i,
1610
                           entry->deny ? "deny" : "allow", entry->match);
1611
        }
1612
1613
1614
1615
1616
1617
1618
1619
    }
}

static void do_acl_reset(Monitor *mon, const char *aclname)
{
    qemu_acl *acl = find_acl(mon, aclname);

    if (acl) {
1620
1621
        qemu_acl_reset(acl);
        monitor_printf(mon, "acl: removed all rules\n");
1622
1623
1624
1625
1626
1627
1628
    }
}

static void do_acl_policy(Monitor *mon, const char *aclname,
                          const char *policy)
{
    qemu_acl *acl = find_acl(mon, aclname);
1629
1630
1631
    if (acl) {
        if (strcmp(policy, "allow") == 0) {
1632
1633
            acl->defaultDeny = 0;
            monitor_printf(mon, "acl: policy set to 'allow'\n");
1634
        } else if (strcmp(policy, "deny") == 0) {
1635
1636
1637
            acl->defaultDeny = 1;
            monitor_printf(mon, "acl: policy set to 'deny'\n");
        } else {
1638
1639
            monitor_printf(mon, "acl: unknown policy '%s', "
                           "expected 'deny' or 'allow'\n", policy);
1640
        }
1641
1642
    }
}
1643
1644
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1646
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1649
1650
1651
1652
1653
1654
1655
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1657
1658
static void do_acl_add(Monitor *mon, const char *aclname,
                       const char *match, const char *policy,
                       int has_index, int index)
{
    qemu_acl *acl = find_acl(mon, aclname);
    int deny, ret;

    if (acl) {
        if (strcmp(policy, "allow") == 0) {
            deny = 0;
        } else if (strcmp(policy, "deny") == 0) {
            deny = 1;
        } else {
            monitor_printf(mon, "acl: unknown policy '%s', "
                           "expected 'deny' or 'allow'\n", policy);
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
            return;
        }
        if (has_index)
            ret = qemu_acl_insert(acl, deny, match, index);
        else
            ret = qemu_acl_append(acl, deny, match);
        if (ret < 0)
            monitor_printf(mon, "acl: unable to add acl entry\n");
        else
            monitor_printf(mon, "acl: added rule at position %d\n", ret);
1669
1670
    }
}
1671
1672
1673
1674
1675
static void do_acl_remove(Monitor *mon, const char *aclname, const char *match)
{
    qemu_acl *acl = find_acl(mon, aclname);
    int ret;
1676
1677
    if (acl) {
1678
1679
1680
1681
1682
        ret = qemu_acl_remove(acl, match);
        if (ret < 0)
            monitor_printf(mon, "acl: no matching acl entry\n");
        else
            monitor_printf(mon, "acl: removed rule at position %d\n", ret);
1683
1684
1685
    }
}
1686
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1707
#if defined(TARGET_I386)
static void do_inject_mce(Monitor *mon,
                          int cpu_index, int bank,
                          unsigned status_hi, unsigned status_lo,
                          unsigned mcg_status_hi, unsigned mcg_status_lo,
                          unsigned addr_hi, unsigned addr_lo,
                          unsigned misc_hi, unsigned misc_lo)
{
    CPUState *cenv;
    uint64_t status = ((uint64_t)status_hi << 32) | status_lo;
    uint64_t mcg_status = ((uint64_t)mcg_status_hi << 32) | mcg_status_lo;
    uint64_t addr = ((uint64_t)addr_hi << 32) | addr_lo;
    uint64_t misc = ((uint64_t)misc_hi << 32) | misc_lo;

    for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu)
        if (cenv->cpu_index == cpu_index && cenv->mcg_cap) {
            cpu_inject_x86_mce(cenv, bank, status, mcg_status, addr, misc);
            break;
        }
}
#endif
1708
static const mon_cmd_t mon_cmds[] = {
1709
#include "qemu-monitor.h"
1710
    { NULL, NULL, },
bellard authored
1711
1712
};
1713
/* Please update qemu-monitor.hx when adding or changing commands */
1714
static const mon_cmd_t info_cmds[] = {
bellard authored
1715
    { "version", "", do_info_version,
blueswir1 authored
1716
      "", "show the version of QEMU" },
1717
    { "network", "", do_info_network,
bellard authored
1718
      "", "show the network state" },
1719
1720
    { "chardev", "", qemu_chr_info,
      "", "show the character devices" },
1721
    { "block", "", bdrv_info,
bellard authored
1722
      "", "show the block devices" },
1723
    { "blockstats", "", bdrv_info_stats,
1724
      "", "show block device statistics" },
1725
1726
    { "registers", "", do_info_registers,
      "", "show the cpu registers" },
bellard authored
1727
1728
    { "cpus", "", do_info_cpus,
      "", "show infos for each CPU" },
1729
1730
    { "history", "", do_info_history,
      "", "show the command line history", },
1731
1732
    { "irq", "", irq_info,
      "", "show the interrupts statistics (if available)", },
1733
1734
    { "pic", "", pic_info,
      "", "show i8259 (PIC) state", },
bellard authored
1735
1736
    { "pci", "", pci_info,
      "", "show PCI info", },
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#if defined(TARGET_I386) || defined(TARGET_SH4)
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    { "tlb", "", tlb_info,
      "", "show virtual to physical memory mappings", },
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#endif
#if defined(TARGET_I386)
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    { "mem", "", mem_info,
      "", "show the active virtual memory mappings", },
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    { "hpet", "", do_info_hpet,
      "", "show state of HPET", },
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#endif
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    { "jit", "", do_info_jit,
      "", "show dynamic compiler info", },
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    { "kqemu", "", do_info_kqemu,
blueswir1 authored
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      "", "show KQEMU information", },
aliguori authored
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    { "kvm", "", do_info_kvm,
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      "", "show KVM information", },
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    { "numa", "", do_info_numa,
      "", "show NUMA information", },
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    { "usb", "", usb_info,
      "", "show guest USB devices", },
    { "usbhost", "", usb_host_info,
      "", "show host USB devices", },
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    { "profile", "", do_info_profile,
      "", "show profiling information", },
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    { "capture", "", do_info_capture,
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      "", "show capture information" },
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    { "snapshots", "", do_info_snapshots,
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      "", "show the currently saved VM snapshots" },
aurel32 authored
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    { "status", "", do_info_status,
      "", "show the current VM status (running|paused)" },
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    { "pcmcia", "", pcmcia_info,
      "", "show guest PCMCIA status" },
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    { "mice", "", do_info_mice,
      "", "show which guest mouse is receiving events" },
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    { "vnc", "", do_info_vnc,
      "", "show the vnc server status"},
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    { "name", "", do_info_name,
      "", "show the current VM name" },
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    { "uuid", "", do_info_uuid,
      "", "show the current VM UUID" },
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#if defined(TARGET_PPC)
    { "cpustats", "", do_info_cpu_stats,
      "", "show CPU statistics", },
#endif
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#if defined(CONFIG_SLIRP)
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    { "usernet", "", do_info_usernet,
      "", "show user network stack connection states", },
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#endif
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    { "migrate", "", do_info_migrate, "", "show migration status" },
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    { "balloon", "", do_info_balloon,
      "", "show balloon information" },
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    { "qtree", "", do_info_qtree,
      "", "show device tree" },
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    { NULL, NULL, },
};
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/*******************************************************************/

static const char *pch;
static jmp_buf expr_env;
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#define MD_TLONG 0
#define MD_I32   1
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typedef struct MonitorDef {
    const char *name;
    int offset;
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    target_long (*get_value)(const struct MonitorDef *md, int val);
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    int type;
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} MonitorDef;
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#if defined(TARGET_I386)
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static target_long monitor_get_pc (const struct MonitorDef *md, int val)
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{
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    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return env->eip + env->segs[R_CS].base;
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}
#endif
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#if defined(TARGET_PPC)
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static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
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{
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    CPUState *env = mon_get_cpu();
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    unsigned int u;
    int i;
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    if (!env)
        return 0;
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    u = 0;
    for (i = 0; i < 8; i++)
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        u |= env->crf[i] << (32 - (4 * i));
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    return u;
}
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static target_long monitor_get_msr (const struct MonitorDef *md, int val)
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{
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    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
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    return env->msr;
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}
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static target_long monitor_get_xer (const struct MonitorDef *md, int val)
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{
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    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
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    return env->xer;
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}
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static target_long monitor_get_decr (const struct MonitorDef *md, int val)
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{
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    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return cpu_ppc_load_decr(env);
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}
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static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
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{
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    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return cpu_ppc_load_tbu(env);
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}
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static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
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{
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    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return cpu_ppc_load_tbl(env);
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}
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#endif
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#if defined(TARGET_SPARC)
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#ifndef TARGET_SPARC64
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static target_long monitor_get_psr (const struct MonitorDef *md, int val)
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{
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    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return GET_PSR(env);
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}
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#endif
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static target_long monitor_get_reg(const struct MonitorDef *md, int val)
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{
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    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return env->regwptr[val];
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}
#endif
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static const MonitorDef monitor_defs[] = {
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#ifdef TARGET_I386
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#define SEG(name, seg) \
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    { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
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    { name ".base", offsetof(CPUState, segs[seg].base) },\
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    { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
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    { "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]) },
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    { "edi", offsetof(CPUState, regs[7]) },
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#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
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    { "eflags", offsetof(CPUState, eflags) },
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    { "eip", offsetof(CPUState, eip) },
    SEG("cs", R_CS)
    SEG("ds", R_DS)
    SEG("es", R_ES)
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    SEG("ss", R_SS)
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    SEG("fs", R_FS)
    SEG("gs", R_GS)
    { "pc", 0, monitor_get_pc, },
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#elif defined(TARGET_PPC)
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    /* General purpose registers */
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    { "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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    /* 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 */
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    { "nip|pc", offsetof(CPUState, nip) },
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    { "lr", offsetof(CPUState, lr) },
    { "ctr", offsetof(CPUState, ctr) },
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    { "decr", 0, &monitor_get_decr, },
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    { "ccr", 0, &monitor_get_ccr, },
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    /* Machine state register */
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    { "msr", 0, &monitor_get_msr, },
    { "xer", 0, &monitor_get_xer, },
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    { "tbu", 0, &monitor_get_tbu, },
    { "tbl", 0, &monitor_get_tbl, },
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#if defined(TARGET_PPC64)
    /* Address space register */
    { "asr", offsetof(CPUState, asr) },
#endif
    /* Segment registers */
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    { "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 ... */
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#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) },
bellard authored
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#ifndef TARGET_SPARC64
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    { "psr", 0, &monitor_get_psr, },
    { "wim", offsetof(CPUState, wim) },
bellard authored
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#endif
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    { "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]) },
bellard authored
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#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
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#endif
    { NULL },
};
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static void expr_error(Monitor *mon, const char *msg)
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{
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    monitor_printf(mon, "%s\n", msg);
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    longjmp(expr_env, 1);
}
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/* return 0 if OK, -1 if not found, -2 if no CPU defined */
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static int get_monitor_def(target_long *pval, const char *name)
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{
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    const MonitorDef *md;
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    void *ptr;
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    for(md = monitor_defs; md->name != NULL; md++) {
        if (compare_cmd(name, md->name)) {
            if (md->get_value) {
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                *pval = md->get_value(md, md->offset);
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            } else {
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                CPUState *env = mon_get_cpu();
                if (!env)
                    return -2;
                ptr = (uint8_t *)env + md->offset;
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                switch(md->type) {
                case MD_I32:
                    *pval = *(int32_t *)ptr;
                    break;
                case MD_TLONG:
                    *pval = *(target_long *)ptr;
                    break;
                default:
                    *pval = 0;
                    break;
                }
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            }
            return 0;
        }
    }
    return -1;
}

static void next(void)
{
    if (pch != '\0') {
        pch++;
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        while (qemu_isspace(*pch))
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            pch++;
    }
}
2185
static int64_t expr_sum(Monitor *mon);
2186
2187
static int64_t expr_unary(Monitor *mon)
2188
{
blueswir1 authored
2189
    int64_t n;
2190
    char *p;
bellard authored
2191
    int ret;
2192
2193
2194
2195

    switch(*pch) {
    case '+':
        next();
2196
        n = expr_unary(mon);
2197
2198
2199
        break;
    case '-':
        next();
2200
        n = -expr_unary(mon);
2201
2202
2203
        break;
    case '~':
        next();
2204
        n = ~expr_unary(mon);
2205
2206
2207
        break;
    case '(':
        next();
2208
        n = expr_sum(mon);
2209
        if (*pch != ')') {
2210
            expr_error(mon, "')' expected");
2211
2212
2213
        }
        next();
        break;
bellard authored
2214
2215
2216
    case '\'':
        pch++;
        if (*pch == '\0')
2217
            expr_error(mon, "character constant expected");
bellard authored
2218
2219
2220
        n = *pch;
        pch++;
        if (*pch != '\'')
2221
            expr_error(mon, "missing terminating \' character");
bellard authored
2222
2223
        next();
        break;
2224
2225
2226
    case '$':
        {
            char buf[128], *q;
2227
            target_long reg=0;
2228
2229
2230
2231
2232
2233
            pch++;
            q = buf;
            while ((*pch >= 'a' && *pch <= 'z') ||
                   (*pch >= 'A' && *pch <= 'Z') ||
                   (*pch >= '0' && *pch <= '9') ||
2234
                   *pch == '_' || *pch == '.') {
2235
2236
2237
2238
                if ((q - buf) < sizeof(buf) - 1)
                    *q++ = *pch;
                pch++;
            }
2239
            while (qemu_isspace(*pch))
2240
2241
                pch++;
            *q = 0;
2242
            ret = get_monitor_def(&reg, buf);
bellard authored
2243
            if (ret == -1)
2244
                expr_error(mon, "unknown register");
2245
            else if (ret == -2)
2246
                expr_error(mon, "no cpu defined");
2247
            n = reg;
2248
2249
2250
        }
        break;
    case '\0':
2251
        expr_error(mon, "unexpected end of expression");
2252
2253
2254
        n = 0;
        break;
    default:
2255
#if TARGET_PHYS_ADDR_BITS > 32
bellard authored
2256
2257
        n = strtoull(pch, &p, 0);
#else
2258
        n = strtoul(pch, &p, 0);
bellard authored
2259
#endif
2260
        if (pch == p) {
2261
            expr_error(mon, "invalid char in expression");
2262
2263
        }
        pch = p;
2264
        while (qemu_isspace(*pch))
2265
2266
2267
2268
2269
2270
2271
            pch++;
        break;
    }
    return n;
}
2272
static int64_t expr_prod(Monitor *mon)
2273
{
blueswir1 authored
2274
    int64_t val, val2;
bellard authored
2275
    int op;
2276
2277
    val = expr_unary(mon);
2278
2279
2280
2281
2282
    for(;;) {
        op = *pch;
        if (op != '*' && op != '/' && op != '%')
            break;
        next();
2283
        val2 = expr_unary(mon);
2284
2285
2286
2287
2288
2289
2290
        switch(op) {
        default:
        case '*':
            val *= val2;
            break;
        case '/':
        case '%':
2291
            if (val2 == 0)
2292
                expr_error(mon, "division by zero");
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
            if (op == '/')
                val /= val2;
            else
                val %= val2;
            break;
        }
    }
    return val;
}
2303
static int64_t expr_logic(Monitor *mon)
2304
{
blueswir1 authored
2305
    int64_t val, val2;
bellard authored
2306
    int op;
2307
2308
    val = expr_prod(mon);
2309
2310
2311
2312
2313
    for(;;) {
        op = *pch;
        if (op != '&' && op != '|' && op != '^')
            break;
        next();
2314
        val2 = expr_prod(mon);
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
        switch(op) {
        default:
        case '&':
            val &= val2;
            break;
        case '|':
            val |= val2;
            break;
        case '^':
            val ^= val2;
            break;
        }
    }
    return val;
}
2331
static int64_t expr_sum(Monitor *mon)
2332
{
blueswir1 authored
2333
    int64_t val, val2;
bellard authored
2334
    int op;
2335
2336
    val = expr_logic(mon);
2337
2338
2339
2340
2341
    for(;;) {
        op = *pch;
        if (op != '+' && op != '-')
            break;
        next();
2342
        val2 = expr_logic(mon);
2343
2344
2345
2346
2347
2348
2349
2350
        if (op == '+')
            val += val2;
        else
            val -= val2;
    }
    return val;
}
2351
static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2352
2353
2354
2355
2356
2357
{
    pch = *pp;
    if (setjmp(expr_env)) {
        *pp = pch;
        return -1;
    }
2358
    while (qemu_isspace(*pch))
2359
        pch++;
2360
    *pval = expr_sum(mon);
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
    *pp = pch;
    return 0;
}

static int get_str(char *buf, int buf_size, const char **pp)
{
    const char *p;
    char *q;
    int c;
bellard authored
2371
    q = buf;
2372
    p = *pp;
2373
    while (qemu_isspace(*p))
2374
2375
2376
        p++;
    if (*p == '\0') {
    fail:
bellard authored
2377
        *q = '\0';
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
        *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 != '\"') {
bellard authored
2413
            qemu_printf("unterminated string\n");
2414
2415
2416
2417
            goto fail;
        }
        p++;
    } else {
2418
        while (*p != '\0' && !qemu_isspace(*p)) {
2419
2420
2421
2422
2423
2424
            if ((q - buf) < buf_size - 1) {
                *q++ = *p;
            }
            p++;
        }
    }
bellard authored
2425
    *q = '\0';
2426
2427
2428
2429
    *pp = p;
    return 0;
}
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
/*
 * Store the command-name in cmdname, and return a pointer to
 * the remaining of the command string.
 */
static const char *get_command_name(const char *cmdline,
                                    char *cmdname, size_t nlen)
{
    size_t len;
    const char *p, *pstart;

    p = cmdline;
    while (qemu_isspace(*p))
        p++;
    if (*p == '\0')
        return NULL;
    pstart = p;
    while (*p != '\0' && *p != '/' && !qemu_isspace(*p))
        p++;
    len = p - pstart;
    if (len > nlen - 1)
        len = nlen - 1;
    memcpy(cmdname, pstart, len);
    cmdname[len] = '\0';
    return p;
}
2456
2457
2458
2459
2460
static int default_fmt_format = 'x';
static int default_fmt_size = 4;

#define MAX_ARGS 16
2461
static void monitor_handle_command(Monitor *mon, const char *cmdline)
2462
{
2463
2464
    const char *p, *typestr;
    int c, nb_args, i, has_arg;
2465
    const mon_cmd_t *cmd;
2466
2467
2468
2469
    char cmdname[256];
    char buf[1024];
    void *str_allocated[MAX_ARGS];
    void *args[MAX_ARGS];
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
    void (*handler_0)(Monitor *mon);
    void (*handler_1)(Monitor *mon, void *arg0);
    void (*handler_2)(Monitor *mon, void *arg0, void *arg1);
    void (*handler_3)(Monitor *mon, void *arg0, void *arg1, void *arg2);
    void (*handler_4)(Monitor *mon, void *arg0, void *arg1, void *arg2,
                      void *arg3);
    void (*handler_5)(Monitor *mon, void *arg0, void *arg1, void *arg2,
                      void *arg3, void *arg4);
    void (*handler_6)(Monitor *mon, void *arg0, void *arg1, void *arg2,
                      void *arg3, void *arg4, void *arg5);
    void (*handler_7)(Monitor *mon, void *arg0, void *arg1, void *arg2,
                      void *arg3, void *arg4, void *arg5, void *arg6);
2482
2483
2484
2485
2486
2487
2488
2489
2490
    void (*handler_8)(Monitor *mon, void *arg0, void *arg1, void *arg2,
                      void *arg3, void *arg4, void *arg5, void *arg6,
                      void *arg7);
    void (*handler_9)(Monitor *mon, void *arg0, void *arg1, void *arg2,
                      void *arg3, void *arg4, void *arg5, void *arg6,
                      void *arg7, void *arg8);
    void (*handler_10)(Monitor *mon, void *arg0, void *arg1, void *arg2,
                       void *arg3, void *arg4, void *arg5, void *arg6,
                       void *arg7, void *arg8, void *arg9);
bellard authored
2491
2492

#ifdef DEBUG
2493
    monitor_printf(mon, "command='%s'\n", cmdline);
bellard authored
2494
#endif
2495
2496
    /* extract the command name */
2497
2498
    p = get_command_name(cmdline, cmdname, sizeof(cmdname));
    if (!p)
2499
        return;
2500
2501
    /* find the command */
2502
    for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
2503
        if (compare_cmd(cmdname, cmd->name))
2504
2505
2506
2507
2508
2509
            break;
    }

    if (cmd->name == NULL) {
        monitor_printf(mon, "unknown command: '%s'\n", cmdname);
        return;
2510
2511
2512
2513
    }

    for(i = 0; i < MAX_ARGS; i++)
        str_allocated[i] = NULL;
2514
2515
2516
2517
    /* parse the parameters */
    typestr = cmd->args_type;
    nb_args = 0;
bellard authored
2518
    for(;;) {
2519
2520
        c = *typestr;
        if (c == '\0')
bellard authored
2521
            break;
2522
2523
2524
        typestr++;
        switch(c) {
        case 'F':
bellard authored
2525
        case 'B':
2526
2527
2528
2529
        case 's':
            {
                int ret;
                char *str;
2530
2531
                while (qemu_isspace(*p))
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
                    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) {
bellard authored
2543
2544
                    switch(c) {
                    case 'F':
2545
2546
                        monitor_printf(mon, "%s: filename expected\n",
                                       cmdname);
bellard authored
2547
2548
                        break;
                    case 'B':
2549
2550
                        monitor_printf(mon, "%s: block device name expected\n",
                                       cmdname);
bellard authored
2551
2552
                        break;
                    default:
2553
                        monitor_printf(mon, "%s: string expected\n", cmdname);
bellard authored
2554
2555
                        break;
                    }
2556
2557
2558
                    goto fail;
                }
                str = qemu_malloc(strlen(buf) + 1);
2559
                pstrcpy(str, sizeof(buf), buf);
2560
2561
2562
2563
                str_allocated[nb_args] = str;
            add_str:
                if (nb_args >= MAX_ARGS) {
                error_args:
2564
                    monitor_printf(mon, "%s: too many arguments\n", cmdname);
2565
2566
2567
2568
                    goto fail;
                }
                args[nb_args++] = str;
            }
bellard authored
2569
            break;
2570
2571
2572
        case '/':
            {
                int count, format, size;
2573
2574
                while (qemu_isspace(*p))
2575
2576
2577
2578
2579
                    p++;
                if (*p == '/') {
                    /* format found */
                    p++;
                    count = 1;
2580
                    if (qemu_isdigit(*p)) {
2581
                        count = 0;
2582
                        while (qemu_isdigit(*p)) {
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
                            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:
2621
                    if (*p != '\0' && !qemu_isspace(*p)) {
2622
2623
                        monitor_printf(mon, "invalid char in format: '%c'\n",
                                       *p);
2624
2625
2626
2627
                        goto fail;
                    }
                    if (format < 0)
                        format = default_fmt_format;
2628
2629
2630
2631
                    if (format != 'i') {
                        /* for 'i', not specifying a size gives -1 as size */
                        if (size < 0)
                            size = default_fmt_size;
2632
                        default_fmt_size = size;
2633
                    }
2634
2635
2636
2637
                    default_fmt_format = format;
                } else {
                    count = 1;
                    format = default_fmt_format;
2638
2639
2640
2641
2642
                    if (format != 'i') {
                        size = default_fmt_size;
                    } else {
                        size = -1;
                    }
2643
2644
2645
                }
                if (nb_args + 3 > MAX_ARGS)
                    goto error_args;
2646
2647
2648
                args[nb_args++] = (void*)(long)count;
                args[nb_args++] = (void*)(long)format;
                args[nb_args++] = (void*)(long)size;
2649
            }
bellard authored
2650
            break;
2651
        case 'i':
bellard authored
2652
        case 'l':
2653
            {
blueswir1 authored
2654
                int64_t val;
2655
2656
                while (qemu_isspace(*p))
2657
                    p++;
bellard authored
2658
2659
2660
2661
2662
2663
2664
2665
2666
                if (*typestr == '?' || *typestr == '.') {
                    if (*typestr == '?') {
                        if (*p == '\0')
                            has_arg = 0;
                        else
                            has_arg = 1;
                    } else {
                        if (*p == '.') {
                            p++;
2667
                            while (qemu_isspace(*p))
bellard authored
2668
2669
2670
2671
2672
2673
                                p++;
                            has_arg = 1;
                        } else {
                            has_arg = 0;
                        }
                    }
bellard authored
2674
                    typestr++;
2675
2676
                    if (nb_args >= MAX_ARGS)
                        goto error_args;
2677
                    args[nb_args++] = (void *)(long)has_arg;
2678
2679
2680
2681
2682
2683
2684
                    if (!has_arg) {
                        if (nb_args >= MAX_ARGS)
                            goto error_args;
                        val = -1;
                        goto add_num;
                    }
                }
2685
                if (get_expr(mon, &val, &p))
2686
2687
                    goto fail;
            add_num:
bellard authored
2688
2689
2690
                if (c == 'i') {
                    if (nb_args >= MAX_ARGS)
                        goto error_args;
2691
                    args[nb_args++] = (void *)(long)val;
bellard authored
2692
2693
2694
                } else {
                    if ((nb_args + 1) >= MAX_ARGS)
                        goto error_args;
2695
#if TARGET_PHYS_ADDR_BITS > 32
2696
                    args[nb_args++] = (void *)(long)((val >> 32) & 0xffffffff);
bellard authored
2697
2698
2699
#else
                    args[nb_args++] = (void *)0;
#endif
2700
                    args[nb_args++] = (void *)(long)(val & 0xffffffff);
bellard authored
2701
                }
2702
2703
2704
2705
2706
2707
            }
            break;
        case '-':
            {
                int has_option;
                /* option */
2708
2709
2710
2711
                c = *typestr++;
                if (c == '\0')
                    goto bad_type;
2712
                while (qemu_isspace(*p))
2713
2714
2715
2716
2717
                    p++;
                has_option = 0;
                if (*p == '-') {
                    p++;
                    if (*p != c) {
2718
2719
                        monitor_printf(mon, "%s: unsupported option -%c\n",
                                       cmdname, *p);
2720
2721
2722
2723
2724
2725
2726
                        goto fail;
                    }
                    p++;
                    has_option = 1;
                }
                if (nb_args >= MAX_ARGS)
                    goto error_args;
2727
                args[nb_args++] = (void *)(long)has_option;
2728
2729
2730
2731
            }
            break;
        default:
        bad_type:
2732
            monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
2733
2734
            goto fail;
        }
bellard authored
2735
    }
2736
    /* check that all arguments were parsed */
2737
    while (qemu_isspace(*p))
2738
2739
        p++;
    if (*p != '\0') {
2740
2741
        monitor_printf(mon, "%s: extraneous characters at the end of line\n",
                       cmdname);
2742
        goto fail;
bellard authored
2743
    }
2744
2745
2746

    switch(nb_args) {
    case 0:
2747
        handler_0 = cmd->handler;
2748
        handler_0(mon);
2749
2750
        break;
    case 1:
2751
        handler_1 = cmd->handler;
2752
        handler_1(mon, args[0]);
2753
2754
        break;
    case 2:
2755
        handler_2 = cmd->handler;
2756
        handler_2(mon, args[0], args[1]);
2757
2758
        break;
    case 3:
2759
        handler_3 = cmd->handler;
2760
        handler_3(mon, args[0], args[1], args[2]);
2761
2762
        break;
    case 4:
2763
        handler_4 = cmd->handler;
2764
        handler_4(mon, args[0], args[1], args[2], args[3]);
2765
2766
        break;
    case 5:
2767
        handler_5 = cmd->handler;
2768
        handler_5(mon, args[0], args[1], args[2], args[3], args[4]);
2769
        break;
bellard authored
2770
    case 6:
2771
        handler_6 = cmd->handler;
2772
        handler_6(mon, args[0], args[1], args[2], args[3], args[4], args[5]);
bellard authored
2773
        break;
2774
    case 7:
2775
        handler_7 = cmd->handler;
2776
2777
        handler_7(mon, args[0], args[1], args[2], args[3], args[4], args[5],
                  args[6]);
2778
        break;
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
    case 8:
        handler_8 = cmd->handler;
        handler_8(mon, args[0], args[1], args[2], args[3], args[4], args[5],
                  args[6], args[7]);
        break;
    case 9:
        handler_9 = cmd->handler;
        handler_9(mon, args[0], args[1], args[2], args[3], args[4], args[5],
                  args[6], args[7], args[8]);
        break;
    case 10:
        handler_10 = cmd->handler;
        handler_10(mon, args[0], args[1], args[2], args[3], args[4], args[5],
                   args[6], args[7], args[8], args[9]);
        break;
2794
    default:
2795
        monitor_printf(mon, "unsupported number of arguments: %d\n", nb_args);
2796
        goto fail;
bellard authored
2797
    }
2798
2799
2800
 fail:
    for(i = 0; i < MAX_ARGS; i++)
        qemu_free(str_allocated[i]);
bellard authored
2801
2802
}
bellard authored
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
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))) {
2821
            readline_add_completion(cur_mon->rs, cmd);
bellard authored
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
        }
        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;
2838
    p = strrchr(input, '/');
bellard authored
2839
2840
2841
    if (!p) {
        input_path_len = 0;
        pstrcpy(file_prefix, sizeof(file_prefix), input);
2842
        pstrcpy(path, sizeof(path), ".");
bellard authored
2843
2844
2845
2846
2847
2848
2849
2850
2851
    } 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
2852
2853
    monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
                   input, path, file_prefix);
bellard authored
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
#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);
2865
2866
2867
            if (input_path_len < sizeof(file))
                pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
                        d->d_name);
bellard authored
2868
2869
2870
2871
2872
            /* 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))
2873
                pstrcat(file, sizeof(file), "/");
2874
            readline_add_completion(cur_mon->rs, file);
bellard authored
2875
2876
2877
2878
2879
        }
    }
    closedir(ffs);
}
2880
static void block_completion_it(void *opaque, BlockDriverState *bs)
bellard authored
2881
{
2882
    const char *name = bdrv_get_device_name(bs);
bellard authored
2883
2884
2885
2886
    const char *input = opaque;

    if (input[0] == '\0' ||
        !strncmp(name, (char *)input, strlen(input))) {
2887
        readline_add_completion(cur_mon->rs, name);
bellard authored
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
    }
}

/* 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(;;) {
2902
        while (qemu_isspace(*p))
bellard authored
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
            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;
}
2917
static void monitor_find_completion(const char *cmdline)
bellard authored
2918
2919
2920
2921
2922
{
    const char *cmdname;
    char *args[MAX_ARGS];
    int nb_args, i, len;
    const char *ptype, *str;
2923
    const mon_cmd_t *cmd;
2924
    const KeyDef *key;
bellard authored
2925
2926
2927
2928

    parse_cmdline(cmdline, &nb_args, args);
#ifdef DEBUG_COMPLETION
    for(i = 0; i < nb_args; i++) {
2929
        monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
bellard authored
2930
2931
2932
2933
2934
2935
    }
#endif

    /* if the line ends with a space, it means we want to complete the
       next arg */
    len = strlen(cmdline);
2936
    if (len > 0 && qemu_isspace(cmdline[len - 1])) {
bellard authored
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
        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];
2947
        readline_set_completion_index(cur_mon->rs, strlen(cmdname));
2948
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
bellard authored
2949
2950
2951
2952
            cmd_completion(cmdname, cmd->name);
        }
    } else {
        /* find the command */
2953
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
bellard authored
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
            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 */
2971
            readline_set_completion_index(cur_mon->rs, strlen(str));
bellard authored
2972
2973
2974
2975
            file_completion(str);
            break;
        case 'B':
            /* block device name completion */
2976
            readline_set_completion_index(cur_mon->rs, strlen(str));
bellard authored
2977
2978
            bdrv_iterate(block_completion_it, (void *)str);
            break;
bellard authored
2979
2980
2981
        case 's':
            /* XXX: more generic ? */
            if (!strcmp(cmd->name, "info")) {
2982
                readline_set_completion_index(cur_mon->rs, strlen(str));
bellard authored
2983
2984
2985
                for(cmd = info_cmds; cmd->name != NULL; cmd++) {
                    cmd_completion(str, cmd->name);
                }
2986
            } else if (!strcmp(cmd->name, "sendkey")) {
2987
2988
2989
                char *sep = strrchr(str, '-');
                if (sep)
                    str = sep + 1;
2990
                readline_set_completion_index(cur_mon->rs, strlen(str));
2991
2992
2993
                for(key = key_defs; key->name != NULL; key++) {
                    cmd_completion(str, key->name);
                }
2994
2995
2996
2997
2998
            } else if (!strcmp(cmd->name, "help|?")) {
                readline_set_completion_index(cur_mon->rs, strlen(str));
                for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
                    cmd_completion(str, cmd->name);
                }
bellard authored
2999
3000
            }
            break;
bellard authored
3001
3002
3003
3004
3005
3006
3007
3008
        default:
            break;
        }
    }
    for(i = 0; i < nb_args; i++)
        qemu_free(args[i]);
}
3009
static int monitor_can_read(void *opaque)
bellard authored
3010
{
3011
3012
3013
    Monitor *mon = opaque;

    return (mon->suspend_cnt == 0) ? 128 : 0;
bellard authored
3014
3015
}
3016
static void monitor_read(void *opaque, const uint8_t *buf, int size)
bellard authored
3017
{
3018
    Monitor *old_mon = cur_mon;
3019
    int i;
3020
3021
3022
    cur_mon = opaque;
3023
3024
3025
3026
3027
3028
3029
3030
3031
    if (cur_mon->rs) {
        for (i = 0; i < size; i++)
            readline_handle_byte(cur_mon->rs, buf[i]);
    } else {
        if (size == 0 || buf[size - 1] != 0)
            monitor_printf(cur_mon, "corrupted command\n");
        else
            monitor_handle_command(cur_mon, (char *)buf);
    }
bellard authored
3032
3033
3034
    cur_mon = old_mon;
}
3035
3036
static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
3037
{
3038
    monitor_suspend(mon);
3039
    monitor_handle_command(mon, cmdline);
3040
    monitor_resume(mon);
3041
3042
}
3043
int monitor_suspend(Monitor *mon)
3044
{
3045
3046
    if (!mon->rs)
        return -ENOTTY;
3047
    mon->suspend_cnt++;
3048
    return 0;
3049
3050
}
3051
void monitor_resume(Monitor *mon)
3052
{
3053
3054
    if (!mon->rs)
        return;
3055
3056
    if (--mon->suspend_cnt == 0)
        readline_show_prompt(mon->rs);
3057
3058
}
3059
static void monitor_event(void *opaque, int event)
3060
{
3061
3062
    Monitor *mon = opaque;
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
    switch (event) {
    case CHR_EVENT_MUX_IN:
        readline_restart(mon->rs);
        monitor_resume(mon);
        monitor_flush(mon);
        break;

    case CHR_EVENT_MUX_OUT:
        if (mon->suspend_cnt == 0)
            monitor_printf(mon, "\n");
        monitor_flush(mon);
        monitor_suspend(mon);
        break;
3076
3077
3078
3079
3080
3081
3082
3083
    case CHR_EVENT_RESET:
        monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
                       "information\n", QEMU_VERSION);
        if (mon->chr->focus == 0)
            readline_show_prompt(mon->rs);
        break;
    }
3084
3085
}
3086
3087
3088
3089
3090
3091
3092
3093
3094

/*
 * Local variables:
 *  c-indent-level: 4
 *  c-basic-offset: 4
 *  tab-width: 8
 * End:
 */
3095
void monitor_init(CharDriverState *chr, int flags)
3096
{
3097
    static int is_first_init = 1;
3098
    Monitor *mon;
3099
3100

    if (is_first_init) {
3101
        key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
3102
3103
        is_first_init = 0;
    }
3104
3105

    mon = qemu_mallocz(sizeof(*mon));
3106
3107
    mon->chr = chr;
3108
    mon->flags = flags;
3109
3110
    if (mon->chr->focus != 0)
        mon->suspend_cnt = 1; /* mux'ed monitors start suspended */
3111
3112
3113
3114
    if (flags & MONITOR_USE_READLINE) {
        mon->rs = readline_init(mon, monitor_find_completion);
        monitor_read_command(mon, 0);
    }
3115
3116
3117
    qemu_chr_add_handlers(chr, monitor_can_read, monitor_read, monitor_event,
                          mon);
3118
3119

    LIST_INSERT_HEAD(&mon_list, mon, entry);
3120
    if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
3121
        cur_mon = mon;
3122
3123
}
3124
static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
bellard authored
3125
{
3126
3127
    BlockDriverState *bs = opaque;
    int ret = 0;
bellard authored
3128
3129
    if (bdrv_set_key(bs, password) != 0) {
3130
        monitor_printf(mon, "invalid password\n");
3131
        ret = -EPERM;
bellard authored
3132
    }
3133
3134
    if (mon->password_completion_cb)
        mon->password_completion_cb(mon->password_opaque, ret);
3135
3136
    monitor_read_command(mon, 1);
bellard authored
3137
}
3138
3139
void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
3140
3141
                                 BlockDriverCompletionFunc *completion_cb,
                                 void *opaque)
3142
{
3143
3144
    int err;
3145
3146
3147
3148
3149
    if (!bdrv_key_required(bs)) {
        if (completion_cb)
            completion_cb(opaque, 0);
        return;
    }
3150
3151
3152
    monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
                   bdrv_get_encrypted_filename(bs));
3153
3154
3155
    mon->password_completion_cb = completion_cb;
    mon->password_opaque = opaque;
3156
3157
3158
3159
3160
    err = monitor_read_password(mon, bdrv_password_cb, bs);

    if (err && completion_cb)
        completion_cb(opaque, err);
3161
}