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monitor.c 87.1 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>
pbrook authored
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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"
aliguori authored
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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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/* file descriptors passed via SCM_RIGHTS */
typedef struct mon_fd_t mon_fd_t;
struct mon_fd_t {
    char *name;
    int fd;
    LIST_ENTRY(mon_fd_t) next;
};
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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_HEAD(,mon_fd_t) fds;
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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 all_devices;
    DriveInfo *dinfo;
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    all_devices = !strcmp(device, "all");
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    TAILQ_FOREACH(dinfo, &drives, next) {
        if (!all_devices)
            if (!strcmp(bdrv_get_device_name(dinfo->bdrv), device))
                continue;
        bdrv_commit(dinfo->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 '\\':
626
        monitor_printf(mon, "\\\\");
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        break;
    case '\n':
629
        monitor_printf(mon, "\\n");
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        break;
    case '\r':
632
        monitor_printf(mon, "\\r");
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        break;
    default:
        if (c >= 32 && c <= 126) {
636
            monitor_printf(mon, "%c", c);
637
        } else {
638
            monitor_printf(mon, "\\x%02x", c);
639
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641
        }
        break;
    }
642
    monitor_printf(mon, "'");
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}
645
static void memory_dump(Monitor *mon, int count, int format, int wsize,
646
                        target_phys_addr_t addr, int is_physical)
647
{
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;
bellard authored
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        env = mon_get_cpu();
        if (!env && !is_physical)
            return;
659
#ifdef TARGET_I386
660
        if (wsize == 2) {
661
            flags = 1;
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        } else if (wsize == 4) {
            flags = 0;
        } else {
bellard authored
665
            /* as default we use the current CS size */
666
            flags = 0;
bellard authored
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            if (env) {
#ifdef TARGET_X86_64
669
                if ((env->efer & MSR_EFER_LMA) &&
bellard authored
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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
679
        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) {
709
        if (is_physical)
710
            monitor_printf(mon, TARGET_FMT_plx ":", addr);
711
        else
712
            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) {
723
                monitor_printf(mon, " Cannot access memory\n");
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                break;
            }
726
        }
727
        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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738
                v = (uint32_t)ldl_raw(buf + i);
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                break;
            case 8:
                v = ldq_raw(buf + i);
                break;
            }
744
            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':
750
                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':
756
                monitor_printf(mon, "%*" PRId64, max_digits, v);
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                break;
            case 'c':
759
                monitor_printc(mon, v);
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                break;
            }
            i += wsize;
        }
764
        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
776
static void do_memory_dump(Monitor *mon, int count, int format, int size,
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                           uint32_t addrh, uint32_t addrl)
778
{
bellard authored
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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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{
793
    target_phys_addr_t addr = GET_TPHYSADDR(addrh, addrl);
794
    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)
799
{
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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);
bellard authored
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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);
bellard authored
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        break;
    case 'c':
836
        monitor_printc(mon, val);
bellard authored
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        break;
    }
#endif
840
    monitor_printf(mon, "\n");
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}
843
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) {
858
        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];
880
    target_phys_addr_t addr = GET_TPHYSADDR(valh, vall); 
aurel32 authored
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    f = fopen(filename, "wb");
    if (!f) {
884
        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];
    }
913
    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" },
bellard authored
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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" },
984
balrog authored
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    { 0x37, "asterisk" },
bellard authored
987
    { 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" },
bellard authored
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    { 0x45, "num_lock" },
bellard authored
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    { 0x46, "scroll_lock" },
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    { 0xb5, "kp_divide" },
    { 0x37, "kp_multiply" },
1004
    { 0x4a, "kp_subtract" },
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    { 0x4e, "kp_add" },
    { 0x9c, "kp_enter" },
    { 0x53, "kp_decimal" },
1008
    { 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" },
1020
bellard authored
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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;
1063
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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;
    }
1070
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1074
    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);
    }
}
1096
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static void do_sendkey(Monitor *mon, const char *string, int has_hold_time,
                       int hold_time)
bellard authored
1098
{
1099
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1102
    char keyname_buf[16];
    char *separator;
    int keyname_len, keycode, i;
1103
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1106
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1109
    if (nb_pending_keycodes > 0) {
        qemu_del_timer(key_timer);
        release_keys(NULL);
    }
    if (!has_hold_time)
        hold_time = 100;
    i = 0;
1110
1111
1112
1113
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1115
    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) {
1116
                monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1117
                return;
bellard authored
1118
            }
1119
            if (i == MAX_KEYCODES) {
1120
                monitor_printf(mon, "too many keys\n");
1121
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1125
                return;
            }
            keyname_buf[keyname_len] = 0;
            keycode = get_keycode(keyname_buf);
            if (keycode < 0) {
1126
                monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1127
1128
                return;
            }
1129
            keycodes[i++] = keycode;
bellard authored
1130
        }
1131
        if (!separator)
bellard authored
1132
            break;
1133
        string = separator + 1;
bellard authored
1134
    }
1135
    nb_pending_keycodes = i;
bellard authored
1136
    /* key down events */
1137
    for (i = 0; i < nb_pending_keycodes; i++) {
bellard authored
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        keycode = keycodes[i];
        if (keycode & 0x80)
            kbd_put_keycode(0xe0);
        kbd_put_keycode(keycode & 0x7f);
    }
1143
    /* delayed key up events */
1144
1145
    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
1148
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static int mouse_button_state;
1150
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;
1157
    if (dz_str)
bellard authored
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1161
        dz = strtol(dz_str, NULL, 0);
    kbd_mouse_event(dx, dy, dz, mouse_button_state);
}
1162
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
1170
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1174
{
    uint32_t val;
    int suffix;

    if (has_index) {
1175
        cpu_outb(NULL, addr & IOPORTS_MASK, index & 0xff);
bellard authored
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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
1197
}
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;
    }
}
1218
static void do_boot_set(Monitor *mon, const char *bootdevice)
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{
    int res;
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    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");
1227
    } 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
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{
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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
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{
bellard authored
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    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
1269
    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)) {
1279
                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) {
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                        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
1302
        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;
    }
}
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static void mem_info(Monitor *mon)
bellard authored
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{
bellard authored
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    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
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    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);
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                mem_print(mon, &start, &last_prot, end, prot);
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);
                    end = (l1 << 22) + (l2 << 12);
                    if (pte & PG_PRESENT_MASK) {
                        prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
                    } else {
                        prot = 0;
                    }
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                    mem_print(mon, &start, &last_prot, end, prot);
bellard authored
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                }
            }
        } else {
            prot = 0;
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            mem_print(mon, &start, &last_prot, end, prot);
bellard authored
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        }
    }
}
#endif
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#if defined(TARGET_SH4)
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static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
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{
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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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}
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static void tlb_info(Monitor *mon)
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{
    CPUState *env = mon_get_cpu();
    int i;
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    monitor_printf (mon, "ITLB:\n");
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    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
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static void do_info_kqemu(Monitor *mon)
bellard authored
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{
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#ifdef CONFIG_KQEMU
bellard authored
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    CPUState *env;
bellard authored
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    int val;
    val = 0;
bellard authored
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    env = mon_get_cpu();
    if (!env) {
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        monitor_printf(mon, "No cpu initialized yet");
bellard authored
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        return;
    }
    val = env->kqemu_enabled;
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    monitor_printf(mon, "kqemu support: ");
bellard authored
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    switch(val) {
    default:
    case 0:
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        monitor_printf(mon, "disabled\n");
bellard authored
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        break;
    case 1:
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        monitor_printf(mon, "enabled for user code\n");
bellard authored
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        break;
    case 2:
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        monitor_printf(mon, "enabled for user and kernel code\n");
bellard authored
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        break;
    }
bellard authored
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#else
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    monitor_printf(mon, "kqemu support: not compiled\n");
bellard authored
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#endif
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}
bellard authored
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static void do_info_kvm(Monitor *mon)
aliguori authored
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{
#ifdef CONFIG_KVM
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    monitor_printf(mon, "kvm support: ");
aliguori authored
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    if (kvm_enabled())
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        monitor_printf(mon, "enabled\n");
aliguori authored
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    else
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        monitor_printf(mon, "disabled\n");
aliguori authored
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#else
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    monitor_printf(mon, "kvm support: not compiled\n");
aliguori authored
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#endif
}
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static void do_info_numa(Monitor *mon)
{
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    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;
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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;
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#ifdef CONFIG_KQEMU
bellard authored
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    kqemu_record_dump();
#endif
}
#else
1496
static void do_info_profile(Monitor *mon)
bellard authored
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{
1498
    monitor_printf(mon, "Internal profiler not compiled\n");
bellard authored
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}
#endif
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/* Capture support */
static LIST_HEAD (capture_list_head, CaptureState) capture_head;
1505
static void do_info_capture(Monitor *mon)
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{
    int i;
    CaptureState *s;

    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
1511
        monitor_printf(mon, "[%d]: ", i);
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        s->ops.info (s->opaque);
    }
}
1516
#ifdef HAS_AUDIO
1517
static void do_stop_capture(Monitor *mon, int n)
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{
    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;
        }
    }
}
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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)) {
1546
        monitor_printf(mon, "Faied to add wave capture\n");
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        qemu_free (s);
    }
    LIST_INSERT_HEAD (&capture_head, s, entries);
}
#endif
1553
#if defined(TARGET_I386)
1554
static void do_inject_nmi(Monitor *mon, 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) {
            cpu_interrupt(env, CPU_INTERRUPT_NMI);
            break;
        }
}
#endif
1566
static void do_info_status(Monitor *mon)
aurel32 authored
1567
{
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    if (vm_running) {
        if (singlestep) {
            monitor_printf(mon, "VM status: running (single step mode)\n");
        } else {
            monitor_printf(mon, "VM status: running\n");
        }
    } else
1575
       monitor_printf(mon, "VM status: paused\n");
aurel32 authored
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1578
}
1579
static void do_balloon(Monitor *mon, int value)
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1584
{
    ram_addr_t target = value;
    qemu_balloon(target << 20);
}
1585
static void do_info_balloon(Monitor *mon)
1586
1587
1588
1589
{
    ram_addr_t actual;

    actual = qemu_balloon_status();
aliguori authored
1590
    if (kvm_enabled() && !kvm_has_sync_mmu())
1591
1592
        monitor_printf(mon, "Using KVM without synchronous MMU, "
                       "ballooning disabled\n");
aliguori authored
1593
    else if (actual == 0)
1594
        monitor_printf(mon, "Ballooning not activated in VM\n");
1595
    else
1596
        monitor_printf(mon, "balloon: actual=%d\n", (int)(actual >> 20));
1597
1598
}
1599
static qemu_acl *find_acl(Monitor *mon, const char *name)
1600
{
1601
    qemu_acl *acl = qemu_acl_find(name);
1602
1603

    if (!acl) {
1604
        monitor_printf(mon, "acl: unknown list '%s'\n", name);
1605
    }
1606
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    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;
1614
1615
    if (acl) {
1616
        monitor_printf(mon, "policy: %s\n",
1617
                       acl->defaultDeny ? "deny" : "allow");
1618
1619
1620
        TAILQ_FOREACH(entry, &acl->entries, next) {
            i++;
            monitor_printf(mon, "%d: %s %s\n", i,
1621
                           entry->deny ? "deny" : "allow", entry->match);
1622
        }
1623
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    }
}

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

    if (acl) {
1631
1632
        qemu_acl_reset(acl);
        monitor_printf(mon, "acl: removed all rules\n");
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    }
}

static void do_acl_policy(Monitor *mon, const char *aclname,
                          const char *policy)
{
    qemu_acl *acl = find_acl(mon, aclname);
1640
1641
1642
    if (acl) {
        if (strcmp(policy, "allow") == 0) {
1643
1644
            acl->defaultDeny = 0;
            monitor_printf(mon, "acl: policy set to 'allow'\n");
1645
        } else if (strcmp(policy, "deny") == 0) {
1646
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1648
            acl->defaultDeny = 1;
            monitor_printf(mon, "acl: policy set to 'deny'\n");
        } else {
1649
1650
            monitor_printf(mon, "acl: unknown policy '%s', "
                           "expected 'deny' or 'allow'\n", policy);
1651
        }
1652
1653
    }
}
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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);
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1679
            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);
1680
1681
    }
}
1682
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1686
static void do_acl_remove(Monitor *mon, const char *aclname, const char *match)
{
    qemu_acl *acl = find_acl(mon, aclname);
    int ret;
1687
1688
    if (acl) {
1689
1690
1691
1692
1693
        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);
1694
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1696
    }
}
1697
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#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
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static void do_getfd(Monitor *mon, const char *fdname)
{
    mon_fd_t *monfd;
    int fd;

    fd = qemu_chr_get_msgfd(mon->chr);
    if (fd == -1) {
        monitor_printf(mon, "getfd: no file descriptor supplied via SCM_RIGHTS\n");
        return;
    }

    if (qemu_isdigit(fdname[0])) {
        monitor_printf(mon, "getfd: monitor names may not begin with a number\n");
        return;
    }

    fd = dup(fd);
    if (fd == -1) {
        monitor_printf(mon, "Failed to dup() file descriptor: %s\n",
                       strerror(errno));
        return;
    }

    LIST_FOREACH(monfd, &mon->fds, next) {
        if (strcmp(monfd->name, fdname) != 0) {
            continue;
        }

        close(monfd->fd);
        monfd->fd = fd;
        return;
    }

    monfd = qemu_mallocz(sizeof(mon_fd_t));
    monfd->name = qemu_strdup(fdname);
    monfd->fd = fd;

    LIST_INSERT_HEAD(&mon->fds, monfd, next);
}

static void do_closefd(Monitor *mon, const char *fdname)
{
    mon_fd_t *monfd;

    LIST_FOREACH(monfd, &mon->fds, next) {
        if (strcmp(monfd->name, fdname) != 0) {
            continue;
        }

        LIST_REMOVE(monfd, next);
        close(monfd->fd);
        qemu_free(monfd->name);
        qemu_free(monfd);
        return;
    }

    monitor_printf(mon, "Failed to find file descriptor named %s\n",
                   fdname);
}
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int monitor_get_fd(Monitor *mon, const char *fdname)
{
    mon_fd_t *monfd;

    LIST_FOREACH(monfd, &mon->fds, next) {
        int fd;

        if (strcmp(monfd->name, fdname) != 0) {
            continue;
        }

        fd = monfd->fd;

        /* caller takes ownership of fd */
        LIST_REMOVE(monfd, next);
        qemu_free(monfd->name);
        qemu_free(monfd);

        return fd;
    }

    return -1;
}
1803
static const mon_cmd_t mon_cmds[] = {
1804
#include "qemu-monitor.h"
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    { NULL, NULL, },
bellard authored
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};
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/* Please update qemu-monitor.hx when adding or changing commands */
1809
static const mon_cmd_t info_cmds[] = {
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    { "version", "", do_info_version,
blueswir1 authored
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      "", "show the version of QEMU" },
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    { "network", "", do_info_network,
bellard authored
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      "", "show the network state" },
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    { "chardev", "", qemu_chr_info,
      "", "show the character devices" },
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    { "block", "", bdrv_info,
bellard authored
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      "", "show the block devices" },
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    { "blockstats", "", bdrv_info_stats,
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      "", "show block device statistics" },
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    { "registers", "", do_info_registers,
      "", "show the cpu registers" },
bellard authored
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    { "cpus", "", do_info_cpus,
      "", "show infos for each CPU" },
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    { "history", "", do_info_history,
      "", "show the command line history", },
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    { "irq", "", irq_info,
      "", "show the interrupts statistics (if available)", },
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    { "pic", "", pic_info,
      "", "show i8259 (PIC) state", },
bellard authored
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    { "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,
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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 */
2095
    { "nip|pc", offsetof(CPUState, nip) },
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    { "lr", offsetof(CPUState, lr) },
    { "ctr", offsetof(CPUState, ctr) },
2098
    { "decr", 0, &monitor_get_decr, },
2099
    { "ccr", 0, &monitor_get_ccr, },
2100
    /* 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
2164
#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]) },
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2223
2224
2225
2226
2227
#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
2228
2229
2230
2231
#endif
    { NULL },
};
2232
static void expr_error(Monitor *mon, const char *msg)
bellard authored
2233
{
2234
    monitor_printf(mon, "%s\n", msg);
2235
2236
2237
    longjmp(expr_env, 1);
}
bellard authored
2238
/* return 0 if OK, -1 if not found, -2 if no CPU defined */
bellard authored
2239
static int get_monitor_def(target_long *pval, const char *name)
2240
{
2241
    const MonitorDef *md;
bellard authored
2242
2243
    void *ptr;
2244
2245
2246
    for(md = monitor_defs; md->name != NULL; md++) {
        if (compare_cmd(name, md->name)) {
            if (md->get_value) {
2247
                *pval = md->get_value(md, md->offset);
2248
            } else {
bellard authored
2249
2250
2251
2252
                CPUState *env = mon_get_cpu();
                if (!env)
                    return -2;
                ptr = (uint8_t *)env + md->offset;
bellard authored
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
                switch(md->type) {
                case MD_I32:
                    *pval = *(int32_t *)ptr;
                    break;
                case MD_TLONG:
                    *pval = *(target_long *)ptr;
                    break;
                default:
                    *pval = 0;
                    break;
                }
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
            }
            return 0;
        }
    }
    return -1;
}

static void next(void)
{
    if (pch != '\0') {
        pch++;
2275
        while (qemu_isspace(*pch))
2276
2277
2278
2279
            pch++;
    }
}
2280
static int64_t expr_sum(Monitor *mon);
2281
2282
static int64_t expr_unary(Monitor *mon)
2283
{
blueswir1 authored
2284
    int64_t n;
2285
    char *p;
bellard authored
2286
    int ret;
2287
2288
2289
2290

    switch(*pch) {
    case '+':
        next();
2291
        n = expr_unary(mon);
2292
2293
2294
        break;
    case '-':
        next();
2295
        n = -expr_unary(mon);
2296
2297
2298
        break;
    case '~':
        next();
2299
        n = ~expr_unary(mon);
2300
2301
2302
        break;
    case '(':
        next();
2303
        n = expr_sum(mon);
2304
        if (*pch != ')') {
2305
            expr_error(mon, "')' expected");
2306
2307
2308
        }
        next();
        break;
bellard authored
2309
2310
2311
    case '\'':
        pch++;
        if (*pch == '\0')
2312
            expr_error(mon, "character constant expected");
bellard authored
2313
2314
2315
        n = *pch;
        pch++;
        if (*pch != '\'')
2316
            expr_error(mon, "missing terminating \' character");
bellard authored
2317
2318
        next();
        break;
2319
2320
2321
    case '$':
        {
            char buf[128], *q;
2322
            target_long reg=0;
2323
2324
2325
2326
2327
2328
            pch++;
            q = buf;
            while ((*pch >= 'a' && *pch <= 'z') ||
                   (*pch >= 'A' && *pch <= 'Z') ||
                   (*pch >= '0' && *pch <= '9') ||
2329
                   *pch == '_' || *pch == '.') {
2330
2331
2332
2333
                if ((q - buf) < sizeof(buf) - 1)
                    *q++ = *pch;
                pch++;
            }
2334
            while (qemu_isspace(*pch))
2335
2336
                pch++;
            *q = 0;
2337
            ret = get_monitor_def(&reg, buf);
bellard authored
2338
            if (ret == -1)
2339
                expr_error(mon, "unknown register");
2340
            else if (ret == -2)
2341
                expr_error(mon, "no cpu defined");
2342
            n = reg;
2343
2344
2345
        }
        break;
    case '\0':
2346
        expr_error(mon, "unexpected end of expression");
2347
2348
2349
        n = 0;
        break;
    default:
2350
#if TARGET_PHYS_ADDR_BITS > 32
bellard authored
2351
2352
        n = strtoull(pch, &p, 0);
#else
2353
        n = strtoul(pch, &p, 0);
bellard authored
2354
#endif
2355
        if (pch == p) {
2356
            expr_error(mon, "invalid char in expression");
2357
2358
        }
        pch = p;
2359
        while (qemu_isspace(*pch))
2360
2361
2362
2363
2364
2365
2366
            pch++;
        break;
    }
    return n;
}
2367
static int64_t expr_prod(Monitor *mon)
2368
{
blueswir1 authored
2369
    int64_t val, val2;
bellard authored
2370
    int op;
2371
2372
    val = expr_unary(mon);
2373
2374
2375
2376
2377
    for(;;) {
        op = *pch;
        if (op != '*' && op != '/' && op != '%')
            break;
        next();
2378
        val2 = expr_unary(mon);
2379
2380
2381
2382
2383
2384
2385
        switch(op) {
        default:
        case '*':
            val *= val2;
            break;
        case '/':
        case '%':
2386
            if (val2 == 0)
2387
                expr_error(mon, "division by zero");
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
            if (op == '/')
                val /= val2;
            else
                val %= val2;
            break;
        }
    }
    return val;
}
2398
static int64_t expr_logic(Monitor *mon)
2399
{
blueswir1 authored
2400
    int64_t val, val2;
bellard authored
2401
    int op;
2402
2403
    val = expr_prod(mon);
2404
2405
2406
2407
2408
    for(;;) {
        op = *pch;
        if (op != '&' && op != '|' && op != '^')
            break;
        next();
2409
        val2 = expr_prod(mon);
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
        switch(op) {
        default:
        case '&':
            val &= val2;
            break;
        case '|':
            val |= val2;
            break;
        case '^':
            val ^= val2;
            break;
        }
    }
    return val;
}
2426
static int64_t expr_sum(Monitor *mon)
2427
{
blueswir1 authored
2428
    int64_t val, val2;
bellard authored
2429
    int op;
2430
2431
    val = expr_logic(mon);
2432
2433
2434
2435
2436
    for(;;) {
        op = *pch;
        if (op != '+' && op != '-')
            break;
        next();
2437
        val2 = expr_logic(mon);
2438
2439
2440
2441
2442
2443
2444
2445
        if (op == '+')
            val += val2;
        else
            val -= val2;
    }
    return val;
}
2446
static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2447
2448
2449
2450
2451
2452
{
    pch = *pp;
    if (setjmp(expr_env)) {
        *pp = pch;
        return -1;
    }
2453
    while (qemu_isspace(*pch))
2454
        pch++;
2455
    *pval = expr_sum(mon);
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
    *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
2466
    q = buf;
2467
    p = *pp;
2468
    while (qemu_isspace(*p))
2469
2470
2471
        p++;
    if (*p == '\0') {
    fail:
bellard authored
2472
        *q = '\0';
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
        *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
2508
            qemu_printf("unterminated string\n");
2509
2510
2511
2512
            goto fail;
        }
        p++;
    } else {
2513
        while (*p != '\0' && !qemu_isspace(*p)) {
2514
2515
2516
2517
2518
2519
            if ((q - buf) < buf_size - 1) {
                *q++ = *p;
            }
            p++;
        }
    }
bellard authored
2520
    *q = '\0';
2521
2522
2523
2524
    *pp = p;
    return 0;
}
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
/*
 * 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;
}
2551
2552
2553
2554
2555
static int default_fmt_format = 'x';
static int default_fmt_size = 4;

#define MAX_ARGS 16
2556
static void monitor_handle_command(Monitor *mon, const char *cmdline)
2557
{
2558
2559
    const char *p, *typestr;
    int c, nb_args, i, has_arg;
2560
    const mon_cmd_t *cmd;
2561
2562
2563
2564
    char cmdname[256];
    char buf[1024];
    void *str_allocated[MAX_ARGS];
    void *args[MAX_ARGS];
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
    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);
2577
2578
2579
2580
2581
2582
2583
2584
2585
    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
2586
2587

#ifdef DEBUG
2588
    monitor_printf(mon, "command='%s'\n", cmdline);
bellard authored
2589
#endif
2590
2591
    /* extract the command name */
2592
2593
    p = get_command_name(cmdline, cmdname, sizeof(cmdname));
    if (!p)
2594
        return;
2595
2596
    /* find the command */
2597
    for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
2598
        if (compare_cmd(cmdname, cmd->name))
2599
2600
2601
2602
2603
2604
            break;
    }

    if (cmd->name == NULL) {
        monitor_printf(mon, "unknown command: '%s'\n", cmdname);
        return;
2605
2606
2607
2608
    }

    for(i = 0; i < MAX_ARGS; i++)
        str_allocated[i] = NULL;
2609
2610
2611
2612
    /* parse the parameters */
    typestr = cmd->args_type;
    nb_args = 0;
bellard authored
2613
    for(;;) {
2614
2615
        c = *typestr;
        if (c == '\0')
bellard authored
2616
            break;
2617
2618
2619
        typestr++;
        switch(c) {
        case 'F':
bellard authored
2620
        case 'B':
2621
2622
2623
2624
        case 's':
            {
                int ret;
                char *str;
2625
2626
                while (qemu_isspace(*p))
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
                    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
2638
2639
                    switch(c) {
                    case 'F':
2640
2641
                        monitor_printf(mon, "%s: filename expected\n",
                                       cmdname);
bellard authored
2642
2643
                        break;
                    case 'B':
2644
2645
                        monitor_printf(mon, "%s: block device name expected\n",
                                       cmdname);
bellard authored
2646
2647
                        break;
                    default:
2648
                        monitor_printf(mon, "%s: string expected\n", cmdname);
bellard authored
2649
2650
                        break;
                    }
2651
2652
2653
                    goto fail;
                }
                str = qemu_malloc(strlen(buf) + 1);
2654
                pstrcpy(str, sizeof(buf), buf);
2655
2656
2657
2658
                str_allocated[nb_args] = str;
            add_str:
                if (nb_args >= MAX_ARGS) {
                error_args:
2659
                    monitor_printf(mon, "%s: too many arguments\n", cmdname);
2660
2661
2662
2663
                    goto fail;
                }
                args[nb_args++] = str;
            }
bellard authored
2664
            break;
2665
2666
2667
        case '/':
            {
                int count, format, size;
2668
2669
                while (qemu_isspace(*p))
2670
2671
2672
2673
2674
                    p++;
                if (*p == '/') {
                    /* format found */
                    p++;
                    count = 1;
2675
                    if (qemu_isdigit(*p)) {
2676
                        count = 0;
2677
                        while (qemu_isdigit(*p)) {
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
                            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:
2716
                    if (*p != '\0' && !qemu_isspace(*p)) {
2717
2718
                        monitor_printf(mon, "invalid char in format: '%c'\n",
                                       *p);
2719
2720
2721
2722
                        goto fail;
                    }
                    if (format < 0)
                        format = default_fmt_format;
2723
2724
2725
2726
                    if (format != 'i') {
                        /* for 'i', not specifying a size gives -1 as size */
                        if (size < 0)
                            size = default_fmt_size;
2727
                        default_fmt_size = size;
2728
                    }
2729
2730
2731
2732
                    default_fmt_format = format;
                } else {
                    count = 1;
                    format = default_fmt_format;
2733
2734
2735
2736
2737
                    if (format != 'i') {
                        size = default_fmt_size;
                    } else {
                        size = -1;
                    }
2738
2739
2740
                }
                if (nb_args + 3 > MAX_ARGS)
                    goto error_args;
2741
2742
2743
                args[nb_args++] = (void*)(long)count;
                args[nb_args++] = (void*)(long)format;
                args[nb_args++] = (void*)(long)size;
2744
            }
bellard authored
2745
            break;
2746
        case 'i':
bellard authored
2747
        case 'l':
2748
            {
blueswir1 authored
2749
                int64_t val;
2750
2751
                while (qemu_isspace(*p))
2752
                    p++;
bellard authored
2753
2754
2755
2756
2757
2758
2759
2760
2761
                if (*typestr == '?' || *typestr == '.') {
                    if (*typestr == '?') {
                        if (*p == '\0')
                            has_arg = 0;
                        else
                            has_arg = 1;
                    } else {
                        if (*p == '.') {
                            p++;
2762
                            while (qemu_isspace(*p))
bellard authored
2763
2764
2765
2766
2767
2768
                                p++;
                            has_arg = 1;
                        } else {
                            has_arg = 0;
                        }
                    }
bellard authored
2769
                    typestr++;
2770
2771
                    if (nb_args >= MAX_ARGS)
                        goto error_args;
2772
                    args[nb_args++] = (void *)(long)has_arg;
2773
2774
2775
2776
2777
2778
2779
                    if (!has_arg) {
                        if (nb_args >= MAX_ARGS)
                            goto error_args;
                        val = -1;
                        goto add_num;
                    }
                }
2780
                if (get_expr(mon, &val, &p))
2781
2782
                    goto fail;
            add_num:
bellard authored
2783
2784
2785
                if (c == 'i') {
                    if (nb_args >= MAX_ARGS)
                        goto error_args;
2786
                    args[nb_args++] = (void *)(long)val;
bellard authored
2787
2788
2789
                } else {
                    if ((nb_args + 1) >= MAX_ARGS)
                        goto error_args;
2790
#if TARGET_PHYS_ADDR_BITS > 32
2791
                    args[nb_args++] = (void *)(long)((val >> 32) & 0xffffffff);
bellard authored
2792
2793
2794
#else
                    args[nb_args++] = (void *)0;
#endif
2795
                    args[nb_args++] = (void *)(long)(val & 0xffffffff);
bellard authored
2796
                }
2797
2798
2799
2800
2801
2802
            }
            break;
        case '-':
            {
                int has_option;
                /* option */
2803
2804
2805
2806
                c = *typestr++;
                if (c == '\0')
                    goto bad_type;
2807
                while (qemu_isspace(*p))
2808
2809
2810
2811
2812
                    p++;
                has_option = 0;
                if (*p == '-') {
                    p++;
                    if (*p != c) {
2813
2814
                        monitor_printf(mon, "%s: unsupported option -%c\n",
                                       cmdname, *p);
2815
2816
2817
2818
2819
2820
2821
                        goto fail;
                    }
                    p++;
                    has_option = 1;
                }
                if (nb_args >= MAX_ARGS)
                    goto error_args;
2822
                args[nb_args++] = (void *)(long)has_option;
2823
2824
2825
2826
            }
            break;
        default:
        bad_type:
2827
            monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
2828
2829
            goto fail;
        }
bellard authored
2830
    }
2831
    /* check that all arguments were parsed */
2832
    while (qemu_isspace(*p))
2833
2834
        p++;
    if (*p != '\0') {
2835
2836
        monitor_printf(mon, "%s: extraneous characters at the end of line\n",
                       cmdname);
2837
        goto fail;
bellard authored
2838
    }
2839
2840
2841

    switch(nb_args) {
    case 0:
2842
        handler_0 = cmd->handler;
2843
        handler_0(mon);
2844
2845
        break;
    case 1:
2846
        handler_1 = cmd->handler;
2847
        handler_1(mon, args[0]);
2848
2849
        break;
    case 2:
2850
        handler_2 = cmd->handler;
2851
        handler_2(mon, args[0], args[1]);
2852
2853
        break;
    case 3:
2854
        handler_3 = cmd->handler;
2855
        handler_3(mon, args[0], args[1], args[2]);
2856
2857
        break;
    case 4:
2858
        handler_4 = cmd->handler;
2859
        handler_4(mon, args[0], args[1], args[2], args[3]);
2860
2861
        break;
    case 5:
2862
        handler_5 = cmd->handler;
2863
        handler_5(mon, args[0], args[1], args[2], args[3], args[4]);
2864
        break;
bellard authored
2865
    case 6:
2866
        handler_6 = cmd->handler;
2867
        handler_6(mon, args[0], args[1], args[2], args[3], args[4], args[5]);
bellard authored
2868
        break;
2869
    case 7:
2870
        handler_7 = cmd->handler;
2871
2872
        handler_7(mon, args[0], args[1], args[2], args[3], args[4], args[5],
                  args[6]);
2873
        break;
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
    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;
2889
    default:
2890
        monitor_printf(mon, "unsupported number of arguments: %d\n", nb_args);
2891
        goto fail;
bellard authored
2892
    }
2893
2894
2895
 fail:
    for(i = 0; i < MAX_ARGS; i++)
        qemu_free(str_allocated[i]);
bellard authored
2896
2897
}
bellard authored
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
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))) {
2916
            readline_add_completion(cur_mon->rs, cmd);
bellard authored
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
        }
        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;
2933
    p = strrchr(input, '/');
bellard authored
2934
2935
2936
    if (!p) {
        input_path_len = 0;
        pstrcpy(file_prefix, sizeof(file_prefix), input);
2937
        pstrcpy(path, sizeof(path), ".");
bellard authored
2938
2939
2940
2941
2942
2943
2944
2945
2946
    } 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
2947
2948
    monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
                   input, path, file_prefix);
bellard authored
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
#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);
2960
2961
2962
            if (input_path_len < sizeof(file))
                pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
                        d->d_name);
bellard authored
2963
2964
2965
2966
2967
            /* 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))
2968
                pstrcat(file, sizeof(file), "/");
2969
            readline_add_completion(cur_mon->rs, file);
bellard authored
2970
2971
2972
2973
2974
        }
    }
    closedir(ffs);
}
2975
static void block_completion_it(void *opaque, BlockDriverState *bs)
bellard authored
2976
{
2977
    const char *name = bdrv_get_device_name(bs);
bellard authored
2978
2979
2980
2981
    const char *input = opaque;

    if (input[0] == '\0' ||
        !strncmp(name, (char *)input, strlen(input))) {
2982
        readline_add_completion(cur_mon->rs, name);
bellard authored
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
    }
}

/* 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(;;) {
2997
        while (qemu_isspace(*p))
bellard authored
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
            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;
}
3012
static void monitor_find_completion(const char *cmdline)
bellard authored
3013
3014
3015
3016
3017
{
    const char *cmdname;
    char *args[MAX_ARGS];
    int nb_args, i, len;
    const char *ptype, *str;
3018
    const mon_cmd_t *cmd;
3019
    const KeyDef *key;
bellard authored
3020
3021
3022
3023

    parse_cmdline(cmdline, &nb_args, args);
#ifdef DEBUG_COMPLETION
    for(i = 0; i < nb_args; i++) {
3024
        monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
bellard authored
3025
3026
3027
3028
3029
3030
    }
#endif

    /* if the line ends with a space, it means we want to complete the
       next arg */
    len = strlen(cmdline);
3031
    if (len > 0 && qemu_isspace(cmdline[len - 1])) {
bellard authored
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
        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];
3042
        readline_set_completion_index(cur_mon->rs, strlen(cmdname));
3043
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
bellard authored
3044
3045
3046
3047
            cmd_completion(cmdname, cmd->name);
        }
    } else {
        /* find the command */
3048
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
bellard authored
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
            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 */
3066
            readline_set_completion_index(cur_mon->rs, strlen(str));
bellard authored
3067
3068
3069
3070
            file_completion(str);
            break;
        case 'B':
            /* block device name completion */
3071
            readline_set_completion_index(cur_mon->rs, strlen(str));
bellard authored
3072
3073
            bdrv_iterate(block_completion_it, (void *)str);
            break;
bellard authored
3074
3075
3076
        case 's':
            /* XXX: more generic ? */
            if (!strcmp(cmd->name, "info")) {
3077
                readline_set_completion_index(cur_mon->rs, strlen(str));
bellard authored
3078
3079
3080
                for(cmd = info_cmds; cmd->name != NULL; cmd++) {
                    cmd_completion(str, cmd->name);
                }
3081
            } else if (!strcmp(cmd->name, "sendkey")) {
3082
3083
3084
                char *sep = strrchr(str, '-');
                if (sep)
                    str = sep + 1;
3085
                readline_set_completion_index(cur_mon->rs, strlen(str));
3086
3087
3088
                for(key = key_defs; key->name != NULL; key++) {
                    cmd_completion(str, key->name);
                }
3089
3090
3091
3092
3093
            } 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
3094
3095
            }
            break;
bellard authored
3096
3097
3098
3099
3100
3101
3102
3103
        default:
            break;
        }
    }
    for(i = 0; i < nb_args; i++)
        qemu_free(args[i]);
}
3104
static int monitor_can_read(void *opaque)
bellard authored
3105
{
3106
3107
3108
    Monitor *mon = opaque;

    return (mon->suspend_cnt == 0) ? 128 : 0;
bellard authored
3109
3110
}
3111
static void monitor_read(void *opaque, const uint8_t *buf, int size)
bellard authored
3112
{
3113
    Monitor *old_mon = cur_mon;
3114
    int i;
3115
3116
3117
    cur_mon = opaque;
3118
3119
3120
3121
3122
3123
3124
3125
3126
    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
3127
3128
3129
    cur_mon = old_mon;
}
3130
3131
static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
3132
{
3133
    monitor_suspend(mon);
3134
    monitor_handle_command(mon, cmdline);
3135
    monitor_resume(mon);
3136
3137
}
3138
int monitor_suspend(Monitor *mon)
3139
{
3140
3141
    if (!mon->rs)
        return -ENOTTY;
3142
    mon->suspend_cnt++;
3143
    return 0;
3144
3145
}
3146
void monitor_resume(Monitor *mon)
3147
{
3148
3149
    if (!mon->rs)
        return;
3150
3151
    if (--mon->suspend_cnt == 0)
        readline_show_prompt(mon->rs);
3152
3153
}
3154
static void monitor_event(void *opaque, int event)
3155
{
3156
3157
    Monitor *mon = opaque;
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
    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;
3171
3172
3173
3174
3175
3176
3177
3178
    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;
    }
3179
3180
}
3181
3182
3183
3184
3185
3186
3187
3188
3189

/*
 * Local variables:
 *  c-indent-level: 4
 *  c-basic-offset: 4
 *  tab-width: 8
 * End:
 */
3190
void monitor_init(CharDriverState *chr, int flags)
3191
{
3192
    static int is_first_init = 1;
3193
    Monitor *mon;
3194
3195

    if (is_first_init) {
3196
        key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
3197
3198
        is_first_init = 0;
    }
3199
3200

    mon = qemu_mallocz(sizeof(*mon));
3201
3202
    mon->chr = chr;
3203
    mon->flags = flags;
3204
3205
    if (mon->chr->focus != 0)
        mon->suspend_cnt = 1; /* mux'ed monitors start suspended */
3206
3207
3208
3209
    if (flags & MONITOR_USE_READLINE) {
        mon->rs = readline_init(mon, monitor_find_completion);
        monitor_read_command(mon, 0);
    }
3210
3211
3212
    qemu_chr_add_handlers(chr, monitor_can_read, monitor_read, monitor_event,
                          mon);
3213
3214

    LIST_INSERT_HEAD(&mon_list, mon, entry);
3215
    if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
3216
        cur_mon = mon;
3217
3218
}
3219
static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
bellard authored
3220
{
3221
3222
    BlockDriverState *bs = opaque;
    int ret = 0;
bellard authored
3223
3224
    if (bdrv_set_key(bs, password) != 0) {
3225
        monitor_printf(mon, "invalid password\n");
3226
        ret = -EPERM;
bellard authored
3227
    }
3228
3229
    if (mon->password_completion_cb)
        mon->password_completion_cb(mon->password_opaque, ret);
3230
3231
    monitor_read_command(mon, 1);
bellard authored
3232
}
3233
3234
void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
3235
3236
                                 BlockDriverCompletionFunc *completion_cb,
                                 void *opaque)
3237
{
3238
3239
    int err;
3240
3241
3242
3243
3244
    if (!bdrv_key_required(bs)) {
        if (completion_cb)
            completion_cb(opaque, 0);
        return;
    }
3245
3246
3247
    monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
                   bdrv_get_encrypted_filename(bs));
3248
3249
3250
    mon->password_completion_cb = completion_cb;
    mon->password_opaque = opaque;
3251
3252
3253
3254
3255
    err = monitor_read_password(mon, bdrv_password_cb, bs);

    if (err && completion_cb)
        completion_cb(opaque, err);
3256
}