monitor.c 100.8 KB
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/*
 * QEMU monitor
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 *
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 * Copyright (c) 2003-2004 Fabrice Bellard
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
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#include <dirent.h>
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#include "hw/hw.h"
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#include "hw/qdev.h"
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#include "hw/usb.h"
#include "hw/pcmcia.h"
#include "hw/pc.h"
#include "hw/pci.h"
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#include "hw/watchdog.h"
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#include "hw/loader.h"
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#include "gdbstub.h"
#include "net.h"
#include "qemu-char.h"
#include "sysemu.h"
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#include "monitor.h"
#include "readline.h"
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#include "console.h"
#include "block.h"
#include "audio/audio.h"
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#include "disas.h"
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#include "balloon.h"
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#include "qemu-timer.h"
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#include "migration.h"
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#include "kvm.h"
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#include "acl.h"
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#include "qint.h"
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#include "qlist.h"
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#include "qdict.h"
#include "qstring.h"
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#include "qerror.h"
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#include "qjson.h"
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//#define DEBUG
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//#define DEBUG_COMPLETION
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/*
 * Supported types:
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 *
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 * 'F'          filename
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 * 'B'          block device name
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 * 's'          string (accept optional quote)
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 * 'i'          32 bit integer
 * 'l'          target long (32 or 64 bit)
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 * '/'          optional gdb-like print format (like "/10x")
 *
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 * '?'          optional type (for all types, except '/')
 * '.'          other form of optional type (for 'i' and 'l')
 * '-'          optional parameter (eg. '-f')
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 *
 */

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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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    const char *params;
    const char *help;
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    void (*user_print)(Monitor *mon, const QObject *data);
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    union {
        void (*info)(Monitor *mon);
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        void (*info_new)(Monitor *mon, QObject **ret_data);
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        void (*cmd)(Monitor *mon, const QDict *qdict);
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        void (*cmd_new)(Monitor *mon, const QDict *params, QObject **ret_data);
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    } mhandler;
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} mon_cmd_t;
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/* file descriptors passed via SCM_RIGHTS */
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typedef struct mon_fd_t mon_fd_t;
struct mon_fd_t {
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    char *name;
    int fd;
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    QLIST_ENTRY(mon_fd_t) next;
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};

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struct Monitor {
    CharDriverState *chr;
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    int mux_out;
    int reset_seen;
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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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    QError *error;
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    QLIST_HEAD(,mon_fd_t) fds;
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    QLIST_ENTRY(Monitor) entry;
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};

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static QLIST_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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/* Return true if in control mode, false otherwise */
static inline int monitor_ctrl_mode(const Monitor *mon)
{
    return (mon->flags & MONITOR_USE_CONTROL);
}

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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->mux_out) {
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        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 void monitor_user_noop(Monitor *mon, const QObject *data) { }

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static inline int monitor_handler_ported(const mon_cmd_t *cmd)
{
    return cmd->user_print != NULL;
}

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static inline int monitor_has_error(const Monitor *mon)
{
    return mon->error != NULL;
}

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static void monitor_print_qobject(Monitor *mon, const QObject *data)
{
    switch (qobject_type(data)) {
        case QTYPE_QSTRING:
            monitor_printf(mon, "%s",qstring_get_str(qobject_to_qstring(data)));
            break;
        case QTYPE_QINT:
            monitor_printf(mon, "%" PRId64,qint_get_int(qobject_to_qint(data)));
            break;
        default:
            monitor_printf(mon, "ERROR: unsupported type: %d",
                                                        qobject_type(data));
            break;
    }

    monitor_puts(mon, "\n");
}

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static void monitor_json_emitter(Monitor *mon, const QObject *data)
{
    QString *json;

    json = qobject_to_json(data);
    assert(json != NULL);

    monitor_printf(mon, "%s\n", qstring_get_str(json));
    QDECREF(json);
}

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static void monitor_protocol_emitter(Monitor *mon, QObject *data)
{
    QDict *qmp;

    qmp = qdict_new();

    if (!monitor_has_error(mon)) {
        /* success response */
        if (data) {
            qobject_incref(data);
            qdict_put_obj(qmp, "return", data);
        } else {
            qdict_put(qmp, "return", qstring_from_str("OK"));
        }
    } else {
        /* error response */
        qdict_put(qmp, "error", mon->error->error);
        QINCREF(mon->error->error);
        QDECREF(mon->error);
        mon->error = NULL;
    }

    monitor_json_emitter(mon, QOBJECT(qmp));
    QDECREF(qmp);
}

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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,
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                          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_help_cmd(Monitor *mon, const QDict *qdict)
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{
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    help_cmd(mon, qdict_get_try_str(qdict, "name"));
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}

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static void do_commit(Monitor *mon, const QDict *qdict)
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{
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    int all_devices;
    DriveInfo *dinfo;
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    const char *device = qdict_get_str(qdict, "device");
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    all_devices = !strcmp(device, "all");
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    QTAILQ_FOREACH(dinfo, &drives, next) {
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        if (!all_devices)
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            if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
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                continue;
        bdrv_commit(dinfo->bdrv);
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    }
}

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static void do_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
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{
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    const mon_cmd_t *cmd;
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    const char *item = qdict_get_try_str(qdict, "item");
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    if (!item) {
        assert(monitor_ctrl_mode(mon) == 0);
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        goto help;
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    }
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    for (cmd = info_cmds; cmd->name != NULL; cmd++) {
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        if (compare_cmd(item, cmd->name))
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            break;
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    }
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    if (cmd->name == NULL) {
        if (monitor_ctrl_mode(mon)) {
            qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
            return;
        }
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        goto help;
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    }
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    if (monitor_handler_ported(cmd)) {
        cmd->mhandler.info_new(mon, ret_data);
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        if (!monitor_ctrl_mode(mon)) {
            /*
             * User Protocol function is called here, Monitor Protocol is
             * handled by monitor_call_handler()
             */
            if (*ret_data)
                cmd->user_print(mon, *ret_data);
        }
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    } else {
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        if (monitor_ctrl_mode(mon)) {
            /* handler not converted yet */
            qemu_error_new(QERR_COMMAND_NOT_FOUND, item);
        } else {
            cmd->mhandler.info(mon);
        }
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    }

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    return;
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help:
    help_cmd(mon, "info");
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}

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/**
 * do_info_version(): Show QEMU version
 */
static void do_info_version(Monitor *mon, QObject **ret_data)
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{
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    *ret_data = QOBJECT(qstring_from_str(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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/**
 * do_info_commands(): List QMP available commands
 *
 * Return a QList of QStrings.
 */
static void do_info_commands(Monitor *mon, QObject **ret_data)
{
    QList *cmd_list;
    const mon_cmd_t *cmd;

    cmd_list = qlist_new();

    for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
        if (monitor_handler_ported(cmd) && !compare_cmd(cmd->name, "info")) {
            qlist_append(cmd_list, qstring_from_str(cmd->name));
        }
    }

    for (cmd = info_cmds; cmd->name != NULL; cmd++) {
        if (monitor_handler_ported(cmd)) {
            char buf[128];
            snprintf(buf, sizeof(buf), "query-%s", cmd->name);
            qlist_append(cmd_list, qstring_from_str(buf));
        }
    }

    *ret_data = QOBJECT(cmd_list);
}

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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);
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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 print_cpu_iter(QObject *obj, void *opaque)
{
    QDict *cpu;
    int active = ' ';
    Monitor *mon = opaque;

    assert(qobject_type(obj) == QTYPE_QDICT);
    cpu = qobject_to_qdict(obj);

    if (strcmp(qdict_get_str(cpu, "current"), "yes") == 0)
        active = '*';

    monitor_printf(mon, "%c CPU #%d: ", active, (int)qdict_get_int(cpu, "CPU"));

#if defined(TARGET_I386)
    monitor_printf(mon, "pc=0x" TARGET_FMT_lx,
                   (target_ulong) qdict_get_int(cpu, "pc"));
#elif defined(TARGET_PPC)
    monitor_printf(mon, "nip=0x" TARGET_FMT_lx,
                   (target_long) qdict_get_int(cpu, "nip"));
#elif defined(TARGET_SPARC)
    monitor_printf(mon, "pc=0x " TARGET_FMT_lx,
                   (target_long) qdict_get_int(cpu, "pc"));
    monitor_printf(mon, "npc=0x" TARGET_FMT_lx,
                   (target_long) qdict_get_int(cpu, "npc"));
#elif defined(TARGET_MIPS)
    monitor_printf(mon, "PC=0x" TARGET_FMT_lx,
                   (target_long) qdict_get_int(cpu, "PC"));
#endif

    if (strcmp(qdict_get_str(cpu, "halted"), "yes") == 0)
        monitor_printf(mon, " (halted)");

    monitor_printf(mon, "\n");
}

static void monitor_print_cpus(Monitor *mon, const QObject *data)
{
    QList *cpu_list;

    assert(qobject_type(data) == QTYPE_QLIST);
    cpu_list = qobject_to_qlist(data);
    qlist_iter(cpu_list, print_cpu_iter, mon);
}

/**
 * do_info_cpus(): Show CPU information
 *
 * Return a QList with a QDict for each CPU.
 *
 * For example:
 *
 * [ { "CPU": 0, "current": "yes", "pc": 0x..., "halted": "no" },
 *   { "CPU": 1, "current": "no",  "pc": 0x..., "halted": "yes" } ]
 */
static void do_info_cpus(Monitor *mon, QObject **ret_data)
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{
    CPUState *env;
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    QList *cpu_list;

    cpu_list = qlist_new();
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    /* just to set the default cpu if not already done */
    mon_get_cpu();

    for(env = first_cpu; env != NULL; env = env->next_cpu) {
578 579 580
        const char *answer;
        QDict *cpu = qdict_new();

581
        cpu_synchronize_state(env);
582 583 584 585 586

        qdict_put(cpu, "CPU", qint_from_int(env->cpu_index));
        answer = (env == mon->mon_cpu) ? "yes" : "no";
        qdict_put(cpu, "current", qstring_from_str(answer));

B
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587
#if defined(TARGET_I386)
588
        qdict_put(cpu, "pc", qint_from_int(env->eip + env->segs[R_CS].base));
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589
#elif defined(TARGET_PPC)
590
        qdict_put(cpu, "nip", qint_from_int(env->nip));
B
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591
#elif defined(TARGET_SPARC)
592 593
        qdict_put(cpu, "pc", qint_from_int(env->pc));
        qdict_put(cpu, "npc", qint_from_int(env->npc));
594
#elif defined(TARGET_MIPS)
595
        qdict_put(cpu, "PC", qint_from_int(env->active_tc.PC));
B
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#endif
597 598 599 600
        answer = env->halted ? "yes" : "no";
        qdict_put(cpu, "halted", qstring_from_str(answer));

        qlist_append(cpu_list, cpu);
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601
    }
602 603

    *ret_data = QOBJECT(cpu_list);
B
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604 605
}

606
static void do_cpu_set(Monitor *mon, const QDict *qdict)
B
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607
{
608
    int index = qdict_get_int(qdict, "index");
B
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609
    if (mon_set_cpu(index) < 0)
A
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610
        monitor_printf(mon, "Invalid CPU index\n");
B
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611 612
}

A
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613
static void do_info_jit(Monitor *mon)
B
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614
{
A
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615
    dump_exec_info((FILE *)mon, monitor_fprintf);
B
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616 617
}

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618
static void do_info_history(Monitor *mon)
B
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619 620
{
    int i;
621
    const char *str;
622

623 624
    if (!mon->rs)
        return;
625 626
    i = 0;
    for(;;) {
627
        str = readline_get_history(mon->rs, i);
628 629
        if (!str)
            break;
A
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630
        monitor_printf(mon, "%d: '%s'\n", i, str);
B
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631
        i++;
B
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632 633 634
    }
}

635 636
#if defined(TARGET_PPC)
/* XXX: not implemented in other targets */
A
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637
static void do_info_cpu_stats(Monitor *mon)
638 639 640 641
{
    CPUState *env;

    env = mon_get_cpu();
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642
    cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
643 644 645
}
#endif

646 647 648 649
/**
 * do_quit(): Quit QEMU execution
 */
static void do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
B
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650 651 652 653
{
    exit(0);
}

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654
static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
B
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655 656 657 658
{
    if (bdrv_is_inserted(bs)) {
        if (!force) {
            if (!bdrv_is_removable(bs)) {
A
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659
                monitor_printf(mon, "device is not removable\n");
B
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660 661 662
                return -1;
            }
            if (bdrv_is_locked(bs)) {
A
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663
                monitor_printf(mon, "device is locked\n");
B
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664 665 666 667 668 669 670 671
                return -1;
            }
        }
        bdrv_close(bs);
    }
    return 0;
}

672
static void do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
B
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673 674
{
    BlockDriverState *bs;
675 676
    int force = qdict_get_int(qdict, "force");
    const char *filename = qdict_get_str(qdict, "filename");
B
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677

678
    bs = bdrv_find(filename);
B
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679
    if (!bs) {
A
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680
        monitor_printf(mon, "device not found\n");
B
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681 682
        return;
    }
A
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683
    eject_device(mon, bs, force);
B
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684 685
}

A
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686 687
static void do_change_block(Monitor *mon, const char *device,
                            const char *filename, const char *fmt)
B
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688 689
{
    BlockDriverState *bs;
690
    BlockDriver *drv = NULL;
B
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691

692
    bs = bdrv_find(device);
B
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693
    if (!bs) {
A
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694
        monitor_printf(mon, "device not found\n");
B
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695 696
        return;
    }
697
    if (fmt) {
698
        drv = bdrv_find_whitelisted_format(fmt);
699
        if (!drv) {
A
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700
            monitor_printf(mon, "invalid format %s\n", fmt);
701 702 703
            return;
        }
    }
A
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704
    if (eject_device(mon, bs, 0) < 0)
B
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705
        return;
706
    bdrv_open2(bs, filename, 0, drv);
A
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707
    monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
708 709
}

A
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710 711
static void change_vnc_password_cb(Monitor *mon, const char *password,
                                   void *opaque)
712 713
{
    if (vnc_display_password(NULL, password) < 0)
A
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714
        monitor_printf(mon, "could not set VNC server password\n");
715

716
    monitor_read_command(mon, 1);
B
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717 718
}

A
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719
static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
720
{
721
    if (strcmp(target, "passwd") == 0 ||
722 723
        strcmp(target, "password") == 0) {
        if (arg) {
724
            char password[9];
725 726
            strncpy(password, arg, sizeof(password));
            password[sizeof(password) - 1] = '\0';
A
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727
            change_vnc_password_cb(mon, password, NULL);
728
        } else {
A
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729
            monitor_read_password(mon, change_vnc_password_cb, NULL);
730
        }
731
    } else {
732
        if (vnc_display_open(NULL, target) < 0)
A
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733
            monitor_printf(mon, "could not start VNC server on %s\n", target);
734
    }
735 736
}

737
static void do_change(Monitor *mon, const QDict *qdict)
738
{
739 740 741
    const char *device = qdict_get_str(qdict, "device");
    const char *target = qdict_get_str(qdict, "target");
    const char *arg = qdict_get_try_str(qdict, "arg");
742
    if (strcmp(device, "vnc") == 0) {
743
        do_change_vnc(mon, target, arg);
744
    } else {
745
        do_change_block(mon, device, target, arg);
746 747 748
    }
}

749
static void do_screen_dump(Monitor *mon, const QDict *qdict)
B
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750
{
751
    vga_hw_screen_dump(qdict_get_str(qdict, "filename"));
B
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752 753
}

754
static void do_logfile(Monitor *mon, const QDict *qdict)
P
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755
{
756
    cpu_set_log_filename(qdict_get_str(qdict, "filename"));
P
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757 758
}

759
static void do_log(Monitor *mon, const QDict *qdict)
760 761
{
    int mask;
762
    const char *items = qdict_get_str(qdict, "items");
763

764
    if (!strcmp(items, "none")) {
765 766
        mask = 0;
    } else {
767
        mask = cpu_str_to_log_mask(items);
768
        if (!mask) {
A
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769
            help_cmd(mon, "log");
770 771 772 773 774 775
            return;
        }
    }
    cpu_set_log(mask);
}

776
static void do_singlestep(Monitor *mon, const QDict *qdict)
777
{
778
    const char *option = qdict_get_try_str(qdict, "option");
779 780 781 782 783 784 785 786 787
    if (!option || !strcmp(option, "on")) {
        singlestep = 1;
    } else if (!strcmp(option, "off")) {
        singlestep = 0;
    } else {
        monitor_printf(mon, "unexpected option %s\n", option);
    }
}

788 789 790 791
/**
 * do_stop(): Stop VM execution
 */
static void do_stop(Monitor *mon, const QDict *qdict, QObject **ret_data)
792 793 794 795
{
    vm_stop(EXCP_INTERRUPT);
}

796
static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs);
797

A
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798 799 800 801 802
struct bdrv_iterate_context {
    Monitor *mon;
    int err;
};

803 804 805 806
/**
 * do_cont(): Resume emulation.
 */
static void do_cont(Monitor *mon, const QDict *qdict, QObject **ret_data)
807
{
A
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808
    struct bdrv_iterate_context context = { mon, 0 };
809

A
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810
    bdrv_iterate(encrypted_bdrv_it, &context);
811
    /* only resume the vm if all keys are set and valid */
A
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812
    if (!context.err)
813
        vm_start();
814 815
}

816 817
static void bdrv_key_cb(void *opaque, int err)
{
A
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818 819
    Monitor *mon = opaque;

820 821
    /* another key was set successfully, retry to continue */
    if (!err)
822
        do_cont(mon, NULL, NULL);
823 824 825 826
}

static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs)
{
A
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827
    struct bdrv_iterate_context *context = opaque;
828

A
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829 830 831 832
    if (!context->err && bdrv_key_required(bs)) {
        context->err = -EBUSY;
        monitor_read_bdrv_key_start(context->mon, bs, bdrv_key_cb,
                                    context->mon);
833 834 835
    }
}

836
static void do_gdbserver(Monitor *mon, const QDict *qdict)
837
{
838
    const char *device = qdict_get_try_str(qdict, "device");
839 840 841 842 843 844
    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) {
845
        monitor_printf(mon, "Disabled gdbserver\n");
846
    } else {
847 848
        monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
                       device);
849 850 851
    }
}

852
static void do_watchdog_action(Monitor *mon, const QDict *qdict)
R
Richard W.M. Jones 已提交
853
{
854
    const char *action = qdict_get_str(qdict, "action");
R
Richard W.M. Jones 已提交
855 856 857 858 859
    if (select_watchdog_action(action) == -1) {
        monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
    }
}

A
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860
static void monitor_printc(Monitor *mon, int c)
861
{
A
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862
    monitor_printf(mon, "'");
863 864
    switch(c) {
    case '\'':
A
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865
        monitor_printf(mon, "\\'");
866 867
        break;
    case '\\':
A
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868
        monitor_printf(mon, "\\\\");
869 870
        break;
    case '\n':
A
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871
        monitor_printf(mon, "\\n");
872 873
        break;
    case '\r':
A
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874
        monitor_printf(mon, "\\r");
875 876 877
        break;
    default:
        if (c >= 32 && c <= 126) {
A
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878
            monitor_printf(mon, "%c", c);
879
        } else {
A
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880
            monitor_printf(mon, "\\x%02x", c);
881 882 883
        }
        break;
    }
A
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884
    monitor_printf(mon, "'");
885 886
}

A
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887
static void memory_dump(Monitor *mon, int count, int format, int wsize,
A
Anthony Liguori 已提交
888
                        target_phys_addr_t addr, int is_physical)
889
{
B
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890
    CPUState *env;
891 892 893 894 895 896 897
    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;
B
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898 899 900
        env = mon_get_cpu();
        if (!env && !is_physical)
            return;
901
#ifdef TARGET_I386
902
        if (wsize == 2) {
903
            flags = 1;
904 905 906
        } else if (wsize == 4) {
            flags = 0;
        } else {
B
bellard 已提交
907
            /* as default we use the current CS size */
908
            flags = 0;
B
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909 910
            if (env) {
#ifdef TARGET_X86_64
911
                if ((env->efer & MSR_EFER_LMA) &&
B
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912 913 914 915 916 917 918
                    (env->segs[R_CS].flags & DESC_L_MASK))
                    flags = 2;
                else
#endif
                if (!(env->segs[R_CS].flags & DESC_B_MASK))
                    flags = 1;
            }
919 920
        }
#endif
A
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921
        monitor_disas(mon, env, addr, count, is_physical, flags);
922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950
        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) {
951
        if (is_physical)
A
aliguori 已提交
952
            monitor_printf(mon, TARGET_FMT_plx ":", addr);
953
        else
A
aliguori 已提交
954
            monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
955 956 957 958 959 960
        l = len;
        if (l > line_size)
            l = line_size;
        if (is_physical) {
            cpu_physical_memory_rw(addr, buf, l, 0);
        } else {
B
bellard 已提交
961 962 963
            env = mon_get_cpu();
            if (!env)
                break;
964
            if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
A
aliguori 已提交
965
                monitor_printf(mon, " Cannot access memory\n");
966 967
                break;
            }
968
        }
969
        i = 0;
970 971 972 973 974 975 976 977 978 979
        while (i < l) {
            switch(wsize) {
            default:
            case 1:
                v = ldub_raw(buf + i);
                break;
            case 2:
                v = lduw_raw(buf + i);
                break;
            case 4:
B
bellard 已提交
980
                v = (uint32_t)ldl_raw(buf + i);
981 982 983 984 985
                break;
            case 8:
                v = ldq_raw(buf + i);
                break;
            }
A
aliguori 已提交
986
            monitor_printf(mon, " ");
987 988
            switch(format) {
            case 'o':
A
aliguori 已提交
989
                monitor_printf(mon, "%#*" PRIo64, max_digits, v);
990 991
                break;
            case 'x':
A
aliguori 已提交
992
                monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
993 994
                break;
            case 'u':
A
aliguori 已提交
995
                monitor_printf(mon, "%*" PRIu64, max_digits, v);
996 997
                break;
            case 'd':
A
aliguori 已提交
998
                monitor_printf(mon, "%*" PRId64, max_digits, v);
999 1000
                break;
            case 'c':
A
aliguori 已提交
1001
                monitor_printc(mon, v);
1002 1003 1004 1005
                break;
            }
            i += wsize;
        }
A
aliguori 已提交
1006
        monitor_printf(mon, "\n");
1007 1008 1009 1010 1011
        addr += l;
        len -= l;
    }
}

1012
static void do_memory_dump(Monitor *mon, const QDict *qdict)
1013
{
1014 1015 1016 1017 1018
    int count = qdict_get_int(qdict, "count");
    int format = qdict_get_int(qdict, "format");
    int size = qdict_get_int(qdict, "size");
    target_long addr = qdict_get_int(qdict, "addr");

A
aliguori 已提交
1019
    memory_dump(mon, count, format, size, addr, 0);
1020 1021
}

1022
static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1023
{
1024 1025 1026
    int count = qdict_get_int(qdict, "count");
    int format = qdict_get_int(qdict, "format");
    int size = qdict_get_int(qdict, "size");
A
Anthony Liguori 已提交
1027
    target_phys_addr_t addr = qdict_get_int(qdict, "addr");
1028

A
aliguori 已提交
1029
    memory_dump(mon, count, format, size, addr, 1);
1030 1031
}

1032
static void do_print(Monitor *mon, const QDict *qdict)
1033
{
1034
    int format = qdict_get_int(qdict, "format");
A
Anthony Liguori 已提交
1035
    target_phys_addr_t val = qdict_get_int(qdict, "val");
1036

1037
#if TARGET_PHYS_ADDR_BITS == 32
1038 1039
    switch(format) {
    case 'o':
A
aliguori 已提交
1040
        monitor_printf(mon, "%#o", val);
1041 1042
        break;
    case 'x':
A
aliguori 已提交
1043
        monitor_printf(mon, "%#x", val);
1044 1045
        break;
    case 'u':
A
aliguori 已提交
1046
        monitor_printf(mon, "%u", val);
1047 1048 1049
        break;
    default:
    case 'd':
A
aliguori 已提交
1050
        monitor_printf(mon, "%d", val);
1051 1052
        break;
    case 'c':
A
aliguori 已提交
1053
        monitor_printc(mon, val);
1054 1055
        break;
    }
B
bellard 已提交
1056 1057 1058
#else
    switch(format) {
    case 'o':
A
aliguori 已提交
1059
        monitor_printf(mon, "%#" PRIo64, val);
B
bellard 已提交
1060 1061
        break;
    case 'x':
A
aliguori 已提交
1062
        monitor_printf(mon, "%#" PRIx64, val);
B
bellard 已提交
1063 1064
        break;
    case 'u':
A
aliguori 已提交
1065
        monitor_printf(mon, "%" PRIu64, val);
B
bellard 已提交
1066 1067 1068
        break;
    default:
    case 'd':
A
aliguori 已提交
1069
        monitor_printf(mon, "%" PRId64, val);
B
bellard 已提交
1070 1071
        break;
    case 'c':
A
aliguori 已提交
1072
        monitor_printc(mon, val);
B
bellard 已提交
1073 1074 1075
        break;
    }
#endif
A
aliguori 已提交
1076
    monitor_printf(mon, "\n");
1077 1078
}

1079
static void do_memory_save(Monitor *mon, const QDict *qdict, QObject **ret_data)
B
bellard 已提交
1080 1081
{
    FILE *f;
1082 1083 1084
    uint32_t size = qdict_get_int(qdict, "size");
    const char *filename = qdict_get_str(qdict, "filename");
    target_long addr = qdict_get_int(qdict, "val");
B
bellard 已提交
1085 1086 1087 1088 1089 1090 1091 1092 1093 1094
    uint32_t l;
    CPUState *env;
    uint8_t buf[1024];

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

    f = fopen(filename, "wb");
    if (!f) {
A
aliguori 已提交
1095
        monitor_printf(mon, "could not open '%s'\n", filename);
B
bellard 已提交
1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109
        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);
}

1110 1111
static void do_physical_memory_save(Monitor *mon, const QDict *qdict,
                                    QObject **ret_data)
A
aurel32 已提交
1112 1113 1114 1115
{
    FILE *f;
    uint32_t l;
    uint8_t buf[1024];
1116 1117
    uint32_t size = qdict_get_int(qdict, "size");
    const char *filename = qdict_get_str(qdict, "filename");
A
Anthony Liguori 已提交
1118
    target_phys_addr_t addr = qdict_get_int(qdict, "val");
A
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1119 1120 1121

    f = fopen(filename, "wb");
    if (!f) {
A
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1122
        monitor_printf(mon, "could not open '%s'\n", filename);
A
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1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137
        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);
}

1138
static void do_sum(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1139 1140 1141 1142
{
    uint32_t addr;
    uint8_t buf[1];
    uint16_t sum;
1143 1144
    uint32_t start = qdict_get_int(qdict, "start");
    uint32_t size = qdict_get_int(qdict, "size");
B
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1145 1146 1147 1148 1149 1150 1151 1152

    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];
    }
A
aliguori 已提交
1153
    monitor_printf(mon, "%05d\n", sum);
B
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1154 1155
}

B
bellard 已提交
1156 1157 1158 1159 1160 1161 1162 1163
typedef struct {
    int keycode;
    const char *name;
} KeyDef;

static const KeyDef key_defs[] = {
    { 0x2a, "shift" },
    { 0x36, "shift_r" },
1164

B
bellard 已提交
1165 1166
    { 0x38, "alt" },
    { 0xb8, "alt_r" },
1167 1168
    { 0x64, "altgr" },
    { 0xe4, "altgr_r" },
B
bellard 已提交
1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185
    { 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" },
1186 1187
    { 0x0c, "minus" },
    { 0x0d, "equal" },
B
bellard 已提交
1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220
    { 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" },
1221 1222 1223
    { 0x33, "comma" },
    { 0x34, "dot" },
    { 0x35, "slash" },
1224

B
balrog 已提交
1225 1226
    { 0x37, "asterisk" },

B
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1227
    { 0x39, "spc" },
B
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1228
    { 0x3a, "caps_lock" },
B
bellard 已提交
1229 1230 1231 1232 1233 1234 1235 1236 1237 1238
    { 0x3b, "f1" },
    { 0x3c, "f2" },
    { 0x3d, "f3" },
    { 0x3e, "f4" },
    { 0x3f, "f5" },
    { 0x40, "f6" },
    { 0x41, "f7" },
    { 0x42, "f8" },
    { 0x43, "f9" },
    { 0x44, "f10" },
B
bellard 已提交
1239
    { 0x45, "num_lock" },
B
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1240 1241
    { 0x46, "scroll_lock" },

1242 1243
    { 0xb5, "kp_divide" },
    { 0x37, "kp_multiply" },
T
ths 已提交
1244
    { 0x4a, "kp_subtract" },
1245 1246 1247
    { 0x4e, "kp_add" },
    { 0x9c, "kp_enter" },
    { 0x53, "kp_decimal" },
1248
    { 0x54, "sysrq" },
1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259

    { 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" },
1260

B
bellard 已提交
1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279
    { 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" },
1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296
#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
B
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1297 1298 1299 1300 1301 1302
    { 0, NULL },
};

static int get_keycode(const char *key)
{
    const KeyDef *p;
1303 1304
    char *endp;
    int ret;
B
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1305 1306 1307 1308 1309

    for(p = key_defs; p->name != NULL; p++) {
        if (!strcmp(key, p->name))
            return p->keycode;
    }
1310 1311 1312 1313 1314
    if (strstart(key, "0x", NULL)) {
        ret = strtoul(key, &endp, 0);
        if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
            return ret;
    }
B
bellard 已提交
1315 1316 1317
    return -1;
}

1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335
#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);
    }
}

1336
static void do_sendkey(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1337
{
1338 1339 1340
    char keyname_buf[16];
    char *separator;
    int keyname_len, keycode, i;
1341 1342 1343
    const char *string = qdict_get_str(qdict, "string");
    int has_hold_time = qdict_haskey(qdict, "hold_time");
    int hold_time = qdict_get_try_int(qdict, "hold_time", -1);
1344

1345 1346 1347 1348 1349 1350 1351
    if (nb_pending_keycodes > 0) {
        qemu_del_timer(key_timer);
        release_keys(NULL);
    }
    if (!has_hold_time)
        hold_time = 100;
    i = 0;
1352 1353 1354 1355 1356 1357
    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) {
A
aliguori 已提交
1358
                monitor_printf(mon, "invalid key: '%s...'\n", keyname_buf);
1359
                return;
B
bellard 已提交
1360
            }
1361
            if (i == MAX_KEYCODES) {
A
aliguori 已提交
1362
                monitor_printf(mon, "too many keys\n");
1363 1364 1365 1366 1367
                return;
            }
            keyname_buf[keyname_len] = 0;
            keycode = get_keycode(keyname_buf);
            if (keycode < 0) {
A
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1368
                monitor_printf(mon, "unknown key: '%s'\n", keyname_buf);
1369 1370
                return;
            }
1371
            keycodes[i++] = keycode;
B
bellard 已提交
1372
        }
1373
        if (!separator)
B
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1374
            break;
1375
        string = separator + 1;
B
bellard 已提交
1376
    }
1377
    nb_pending_keycodes = i;
B
bellard 已提交
1378
    /* key down events */
1379
    for (i = 0; i < nb_pending_keycodes; i++) {
B
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1380 1381 1382 1383 1384
        keycode = keycodes[i];
        if (keycode & 0x80)
            kbd_put_keycode(0xe0);
        kbd_put_keycode(keycode & 0x7f);
    }
1385
    /* delayed key up events */
1386
    qemu_mod_timer(key_timer, qemu_get_clock(vm_clock) +
1387
                   muldiv64(get_ticks_per_sec(), hold_time, 1000));
B
bellard 已提交
1388 1389
}

B
bellard 已提交
1390 1391
static int mouse_button_state;

1392
static void do_mouse_move(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1393 1394
{
    int dx, dy, dz;
1395 1396 1397
    const char *dx_str = qdict_get_str(qdict, "dx_str");
    const char *dy_str = qdict_get_str(qdict, "dy_str");
    const char *dz_str = qdict_get_try_str(qdict, "dz_str");
B
bellard 已提交
1398 1399 1400
    dx = strtol(dx_str, NULL, 0);
    dy = strtol(dy_str, NULL, 0);
    dz = 0;
1401
    if (dz_str)
B
bellard 已提交
1402 1403 1404 1405
        dz = strtol(dz_str, NULL, 0);
    kbd_mouse_event(dx, dy, dz, mouse_button_state);
}

1406
static void do_mouse_button(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1407
{
1408
    int button_state = qdict_get_int(qdict, "button_state");
B
bellard 已提交
1409 1410 1411 1412
    mouse_button_state = button_state;
    kbd_mouse_event(0, 0, 0, mouse_button_state);
}

1413
static void do_ioport_read(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1414
{
1415 1416 1417
    int size = qdict_get_int(qdict, "size");
    int addr = qdict_get_int(qdict, "addr");
    int has_index = qdict_haskey(qdict, "index");
B
bellard 已提交
1418 1419 1420 1421
    uint32_t val;
    int suffix;

    if (has_index) {
1422
        int index = qdict_get_int(qdict, "index");
1423
        cpu_outb(addr & IOPORTS_MASK, index & 0xff);
B
bellard 已提交
1424 1425 1426 1427 1428 1429 1430
        addr++;
    }
    addr &= 0xffff;

    switch(size) {
    default:
    case 1:
1431
        val = cpu_inb(addr);
B
bellard 已提交
1432 1433 1434
        suffix = 'b';
        break;
    case 2:
1435
        val = cpu_inw(addr);
B
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1436 1437 1438
        suffix = 'w';
        break;
    case 4:
1439
        val = cpu_inl(addr);
B
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1440 1441 1442
        suffix = 'l';
        break;
    }
A
aliguori 已提交
1443 1444
    monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
                   suffix, addr, size * 2, val);
B
bellard 已提交
1445
}
B
bellard 已提交
1446

1447
static void do_ioport_write(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
1448
{
1449 1450 1451 1452
    int size = qdict_get_int(qdict, "size");
    int addr = qdict_get_int(qdict, "addr");
    int val = qdict_get_int(qdict, "val");

J
Jan Kiszka 已提交
1453 1454 1455 1456 1457
    addr &= IOPORTS_MASK;

    switch (size) {
    default:
    case 1:
1458
        cpu_outb(addr, val);
J
Jan Kiszka 已提交
1459 1460
        break;
    case 2:
1461
        cpu_outw(addr, val);
J
Jan Kiszka 已提交
1462 1463
        break;
    case 4:
1464
        cpu_outl(addr, val);
J
Jan Kiszka 已提交
1465 1466 1467 1468
        break;
    }
}

1469
static void do_boot_set(Monitor *mon, const QDict *qdict)
1470 1471
{
    int res;
1472
    const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1473

J
Jan Kiszka 已提交
1474 1475 1476 1477 1478
    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");
1479
    } else {
A
aliguori 已提交
1480 1481
        monitor_printf(mon, "no function defined to set boot device list for "
                       "this architecture\n");
1482 1483 1484
    }
}

1485 1486 1487 1488 1489
/**
 * do_system_reset(): Issue a machine reset
 */
static void do_system_reset(Monitor *mon, const QDict *qdict,
                            QObject **ret_data)
B
bellard 已提交
1490 1491 1492 1493
{
    qemu_system_reset_request();
}

1494 1495 1496 1497 1498
/**
 * do_system_powerdown(): Issue a machine powerdown
 */
static void do_system_powerdown(Monitor *mon, const QDict *qdict,
                                QObject **ret_data)
B
bellard 已提交
1499 1500 1501 1502
{
    qemu_system_powerdown_request();
}

B
bellard 已提交
1503
#if defined(TARGET_I386)
A
aliguori 已提交
1504
static void print_pte(Monitor *mon, uint32_t addr, uint32_t pte, uint32_t mask)
B
bellard 已提交
1505
{
A
aliguori 已提交
1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516
    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' : '-');
B
bellard 已提交
1517 1518
}

A
aliguori 已提交
1519
static void tlb_info(Monitor *mon)
B
bellard 已提交
1520
{
B
bellard 已提交
1521
    CPUState *env;
B
bellard 已提交
1522 1523 1524
    int l1, l2;
    uint32_t pgd, pde, pte;

B
bellard 已提交
1525 1526 1527 1528
    env = mon_get_cpu();
    if (!env)
        return;

B
bellard 已提交
1529
    if (!(env->cr[0] & CR0_PG_MASK)) {
A
aliguori 已提交
1530
        monitor_printf(mon, "PG disabled\n");
B
bellard 已提交
1531 1532 1533 1534 1535 1536 1537 1538
        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)) {
A
aliguori 已提交
1539
                print_pte(mon, (l1 << 22), pde, ~((1 << 20) - 1));
B
bellard 已提交
1540 1541
            } else {
                for(l2 = 0; l2 < 1024; l2++) {
1542
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
B
bellard 已提交
1543 1544 1545
                                             (uint8_t *)&pte, 4);
                    pte = le32_to_cpu(pte);
                    if (pte & PG_PRESENT_MASK) {
A
aliguori 已提交
1546
                        print_pte(mon, (l1 << 22) + (l2 << 12),
1547
                                  pte & ~PG_PSE_MASK,
B
bellard 已提交
1548 1549 1550 1551 1552 1553 1554 1555
                                  ~0xfff);
                    }
                }
            }
        }
    }
}

A
aliguori 已提交
1556
static void mem_print(Monitor *mon, uint32_t *pstart, int *plast_prot,
B
bellard 已提交
1557 1558
                      uint32_t end, int prot)
{
B
bellard 已提交
1559 1560 1561
    int prot1;
    prot1 = *plast_prot;
    if (prot != prot1) {
B
bellard 已提交
1562
        if (*pstart != -1) {
A
aliguori 已提交
1563 1564 1565 1566 1567
            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' : '-');
B
bellard 已提交
1568 1569 1570 1571 1572 1573 1574 1575 1576
        }
        if (prot != 0)
            *pstart = end;
        else
            *pstart = -1;
        *plast_prot = prot;
    }
}

A
aliguori 已提交
1577
static void mem_info(Monitor *mon)
B
bellard 已提交
1578
{
B
bellard 已提交
1579
    CPUState *env;
B
bellard 已提交
1580 1581 1582
    int l1, l2, prot, last_prot;
    uint32_t pgd, pde, pte, start, end;

B
bellard 已提交
1583 1584 1585 1586
    env = mon_get_cpu();
    if (!env)
        return;

B
bellard 已提交
1587
    if (!(env->cr[0] & CR0_PG_MASK)) {
A
aliguori 已提交
1588
        monitor_printf(mon, "PG disabled\n");
B
bellard 已提交
1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600
        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);
A
aliguori 已提交
1601
                mem_print(mon, &start, &last_prot, end, prot);
B
bellard 已提交
1602 1603
            } else {
                for(l2 = 0; l2 < 1024; l2++) {
1604
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4,
B
bellard 已提交
1605 1606 1607 1608 1609 1610 1611 1612
                                             (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;
                    }
A
aliguori 已提交
1613
                    mem_print(mon, &start, &last_prot, end, prot);
B
bellard 已提交
1614 1615 1616 1617
                }
            }
        } else {
            prot = 0;
A
aliguori 已提交
1618
            mem_print(mon, &start, &last_prot, end, prot);
B
bellard 已提交
1619 1620 1621 1622 1623
        }
    }
}
#endif

A
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1624 1625
#if defined(TARGET_SH4)

A
aliguori 已提交
1626
static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
A
aurel32 已提交
1627
{
A
aliguori 已提交
1628 1629 1630 1631 1632 1633 1634 1635
    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);
A
aurel32 已提交
1636 1637
}

A
aliguori 已提交
1638
static void tlb_info(Monitor *mon)
A
aurel32 已提交
1639 1640 1641 1642
{
    CPUState *env = mon_get_cpu();
    int i;

A
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1643
    monitor_printf (mon, "ITLB:\n");
A
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1644
    for (i = 0 ; i < ITLB_SIZE ; i++)
A
aliguori 已提交
1645 1646
        print_tlb (mon, i, &env->itlb[i]);
    monitor_printf (mon, "UTLB:\n");
A
aurel32 已提交
1647
    for (i = 0 ; i < UTLB_SIZE ; i++)
A
aliguori 已提交
1648
        print_tlb (mon, i, &env->utlb[i]);
A
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1649 1650 1651 1652
}

#endif

A
aliguori 已提交
1653
static void do_info_kvm(Monitor *mon)
A
aliguori 已提交
1654 1655
{
#ifdef CONFIG_KVM
A
aliguori 已提交
1656
    monitor_printf(mon, "kvm support: ");
A
aliguori 已提交
1657
    if (kvm_enabled())
A
aliguori 已提交
1658
        monitor_printf(mon, "enabled\n");
A
aliguori 已提交
1659
    else
A
aliguori 已提交
1660
        monitor_printf(mon, "disabled\n");
A
aliguori 已提交
1661
#else
A
aliguori 已提交
1662
    monitor_printf(mon, "kvm support: not compiled\n");
A
aliguori 已提交
1663 1664 1665
#endif
}

1666 1667
static void do_info_numa(Monitor *mon)
{
1668
    int i;
1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684
    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);
    }
}

B
bellard 已提交
1685 1686
#ifdef CONFIG_PROFILER

A
Aurelien Jarno 已提交
1687 1688 1689
int64_t qemu_time;
int64_t dev_time;

A
aliguori 已提交
1690
static void do_info_profile(Monitor *mon)
B
bellard 已提交
1691 1692 1693 1694 1695
{
    int64_t total;
    total = qemu_time;
    if (total == 0)
        total = 1;
A
aliguori 已提交
1696
    monitor_printf(mon, "async time  %" PRId64 " (%0.3f)\n",
1697
                   dev_time, dev_time / (double)get_ticks_per_sec());
A
aliguori 已提交
1698
    monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
1699
                   qemu_time, qemu_time / (double)get_ticks_per_sec());
B
bellard 已提交
1700 1701 1702 1703
    qemu_time = 0;
    dev_time = 0;
}
#else
A
aliguori 已提交
1704
static void do_info_profile(Monitor *mon)
B
bellard 已提交
1705
{
A
aliguori 已提交
1706
    monitor_printf(mon, "Internal profiler not compiled\n");
B
bellard 已提交
1707 1708 1709
}
#endif

B
bellard 已提交
1710
/* Capture support */
B
Blue Swirl 已提交
1711
static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
B
bellard 已提交
1712

A
aliguori 已提交
1713
static void do_info_capture(Monitor *mon)
B
bellard 已提交
1714 1715 1716 1717 1718
{
    int i;
    CaptureState *s;

    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
A
aliguori 已提交
1719
        monitor_printf(mon, "[%d]: ", i);
B
bellard 已提交
1720 1721 1722 1723
        s->ops.info (s->opaque);
    }
}

1724
#ifdef HAS_AUDIO
1725
static void do_stop_capture(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1726 1727
{
    int i;
1728
    int n = qdict_get_int(qdict, "n");
B
bellard 已提交
1729 1730 1731 1732 1733
    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);
B
Blue Swirl 已提交
1734
            QLIST_REMOVE (s, entries);
B
bellard 已提交
1735 1736 1737 1738 1739 1740
            qemu_free (s);
            return;
        }
    }
}

1741 1742 1743 1744 1745 1746 1747 1748 1749
static void do_wav_capture(Monitor *mon, const QDict *qdict)
{
    const char *path = qdict_get_str(qdict, "path");
    int has_freq = qdict_haskey(qdict, "freq");
    int freq = qdict_get_try_int(qdict, "freq", -1);
    int has_bits = qdict_haskey(qdict, "bits");
    int bits = qdict_get_try_int(qdict, "bits", -1);
    int has_channels = qdict_haskey(qdict, "nchannels");
    int nchannels = qdict_get_try_int(qdict, "nchannels", -1);
B
bellard 已提交
1750 1751 1752 1753 1754 1755 1756 1757 1758
    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)) {
A
aliguori 已提交
1759
        monitor_printf(mon, "Faied to add wave capture\n");
B
bellard 已提交
1760 1761
        qemu_free (s);
    }
B
Blue Swirl 已提交
1762
    QLIST_INSERT_HEAD (&capture_head, s, entries);
B
bellard 已提交
1763 1764 1765
}
#endif

A
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1766
#if defined(TARGET_I386)
1767
static void do_inject_nmi(Monitor *mon, const QDict *qdict)
A
aurel32 已提交
1768 1769
{
    CPUState *env;
1770
    int cpu_index = qdict_get_int(qdict, "cpu_index");
A
aurel32 已提交
1771 1772 1773 1774 1775 1776 1777 1778 1779

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

A
aliguori 已提交
1780
static void do_info_status(Monitor *mon)
A
aurel32 已提交
1781
{
1782 1783 1784 1785 1786 1787 1788
    if (vm_running) {
        if (singlestep) {
            monitor_printf(mon, "VM status: running (single step mode)\n");
        } else {
            monitor_printf(mon, "VM status: running\n");
        }
    } else
A
aliguori 已提交
1789
       monitor_printf(mon, "VM status: paused\n");
A
aurel32 已提交
1790 1791
}

1792 1793 1794 1795
/**
 * do_balloon(): Request VM to change its memory allocation
 */
static void do_balloon(Monitor *mon, const QDict *qdict, QObject **ret_data)
A
aliguori 已提交
1796
{
1797
    int value = qdict_get_int(qdict, "value");
A
Anthony Liguori 已提交
1798
    ram_addr_t target = value;
A
aliguori 已提交
1799 1800 1801
    qemu_balloon(target << 20);
}

1802 1803 1804 1805 1806 1807 1808 1809 1810 1811
static void monitor_print_balloon(Monitor *mon, const QObject *data)
{
    monitor_printf(mon, "balloon: actual=%d\n",
                                     (int)qint_get_int(qobject_to_qint(data)));
}

/**
 * do_info_balloon(): Balloon information
 */
static void do_info_balloon(Monitor *mon, QObject **ret_data)
A
aliguori 已提交
1812
{
A
Anthony Liguori 已提交
1813
    ram_addr_t actual;
A
aliguori 已提交
1814 1815

    actual = qemu_balloon_status();
A
aliguori 已提交
1816
    if (kvm_enabled() && !kvm_has_sync_mmu())
1817
        qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
A
aliguori 已提交
1818
    else if (actual == 0)
1819
        qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
A
aliguori 已提交
1820
    else
1821
        *ret_data = QOBJECT(qint_from_int((int)(actual >> 20)));
A
aliguori 已提交
1822 1823
}

J
Jan Kiszka 已提交
1824
static qemu_acl *find_acl(Monitor *mon, const char *name)
1825
{
J
Jan Kiszka 已提交
1826
    qemu_acl *acl = qemu_acl_find(name);
1827 1828

    if (!acl) {
J
Jan Kiszka 已提交
1829
        monitor_printf(mon, "acl: unknown list '%s'\n", name);
1830
    }
J
Jan Kiszka 已提交
1831 1832 1833
    return acl;
}

1834
static void do_acl_show(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
1835
{
1836
    const char *aclname = qdict_get_str(qdict, "aclname");
J
Jan Kiszka 已提交
1837 1838 1839
    qemu_acl *acl = find_acl(mon, aclname);
    qemu_acl_entry *entry;
    int i = 0;
1840

J
Jan Kiszka 已提交
1841
    if (acl) {
1842
        monitor_printf(mon, "policy: %s\n",
1843
                       acl->defaultDeny ? "deny" : "allow");
B
Blue Swirl 已提交
1844
        QTAILQ_FOREACH(entry, &acl->entries, next) {
1845 1846
            i++;
            monitor_printf(mon, "%d: %s %s\n", i,
J
Jan Kiszka 已提交
1847
                           entry->deny ? "deny" : "allow", entry->match);
1848
        }
J
Jan Kiszka 已提交
1849 1850 1851
    }
}

1852
static void do_acl_reset(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
1853
{
1854
    const char *aclname = qdict_get_str(qdict, "aclname");
J
Jan Kiszka 已提交
1855 1856 1857
    qemu_acl *acl = find_acl(mon, aclname);

    if (acl) {
1858 1859
        qemu_acl_reset(acl);
        monitor_printf(mon, "acl: removed all rules\n");
J
Jan Kiszka 已提交
1860 1861 1862
    }
}

1863
static void do_acl_policy(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
1864
{
1865 1866
    const char *aclname = qdict_get_str(qdict, "aclname");
    const char *policy = qdict_get_str(qdict, "policy");
J
Jan Kiszka 已提交
1867
    qemu_acl *acl = find_acl(mon, aclname);
1868

J
Jan Kiszka 已提交
1869 1870
    if (acl) {
        if (strcmp(policy, "allow") == 0) {
1871 1872
            acl->defaultDeny = 0;
            monitor_printf(mon, "acl: policy set to 'allow'\n");
J
Jan Kiszka 已提交
1873
        } else if (strcmp(policy, "deny") == 0) {
1874 1875 1876
            acl->defaultDeny = 1;
            monitor_printf(mon, "acl: policy set to 'deny'\n");
        } else {
J
Jan Kiszka 已提交
1877 1878
            monitor_printf(mon, "acl: unknown policy '%s', "
                           "expected 'deny' or 'allow'\n", policy);
1879
        }
J
Jan Kiszka 已提交
1880 1881
    }
}
1882

1883
static void do_acl_add(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
1884
{
1885 1886 1887 1888 1889
    const char *aclname = qdict_get_str(qdict, "aclname");
    const char *match = qdict_get_str(qdict, "match");
    const char *policy = qdict_get_str(qdict, "policy");
    int has_index = qdict_haskey(qdict, "index");
    int index = qdict_get_try_int(qdict, "index", -1);
J
Jan Kiszka 已提交
1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900
    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);
1901 1902 1903 1904 1905 1906 1907 1908 1909 1910
            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);
J
Jan Kiszka 已提交
1911 1912
    }
}
1913

1914
static void do_acl_remove(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
1915
{
1916 1917
    const char *aclname = qdict_get_str(qdict, "aclname");
    const char *match = qdict_get_str(qdict, "match");
J
Jan Kiszka 已提交
1918 1919
    qemu_acl *acl = find_acl(mon, aclname);
    int ret;
1920

J
Jan Kiszka 已提交
1921
    if (acl) {
1922 1923 1924 1925 1926
        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);
1927 1928 1929
    }
}

1930
#if defined(TARGET_I386)
1931
static void do_inject_mce(Monitor *mon, const QDict *qdict)
1932 1933
{
    CPUState *cenv;
1934 1935 1936 1937 1938 1939
    int cpu_index = qdict_get_int(qdict, "cpu_index");
    int bank = qdict_get_int(qdict, "bank");
    uint64_t status = qdict_get_int(qdict, "status");
    uint64_t mcg_status = qdict_get_int(qdict, "mcg_status");
    uint64_t addr = qdict_get_int(qdict, "addr");
    uint64_t misc = qdict_get_int(qdict, "misc");
1940 1941 1942 1943 1944 1945 1946 1947 1948

    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

1949
static void do_getfd(Monitor *mon, const QDict *qdict, QObject **ret_data)
1950
{
1951
    const char *fdname = qdict_get_str(qdict, "fdname");
A
Anthony Liguori 已提交
1952
    mon_fd_t *monfd;
1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972
    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;
    }

B
Blue Swirl 已提交
1973
    QLIST_FOREACH(monfd, &mon->fds, next) {
1974 1975 1976 1977 1978 1979 1980 1981 1982
        if (strcmp(monfd->name, fdname) != 0) {
            continue;
        }

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

A
Anthony Liguori 已提交
1983
    monfd = qemu_mallocz(sizeof(mon_fd_t));
1984 1985 1986
    monfd->name = qemu_strdup(fdname);
    monfd->fd = fd;

B
Blue Swirl 已提交
1987
    QLIST_INSERT_HEAD(&mon->fds, monfd, next);
1988 1989
}

1990
static void do_closefd(Monitor *mon, const QDict *qdict, QObject **ret_data)
1991
{
1992
    const char *fdname = qdict_get_str(qdict, "fdname");
A
Anthony Liguori 已提交
1993
    mon_fd_t *monfd;
1994

B
Blue Swirl 已提交
1995
    QLIST_FOREACH(monfd, &mon->fds, next) {
1996 1997 1998 1999
        if (strcmp(monfd->name, fdname) != 0) {
            continue;
        }

B
Blue Swirl 已提交
2000
        QLIST_REMOVE(monfd, next);
2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
        close(monfd->fd);
        qemu_free(monfd->name);
        qemu_free(monfd);
        return;
    }

    monitor_printf(mon, "Failed to find file descriptor named %s\n",
                   fdname);
}

2011
static void do_loadvm(Monitor *mon, const QDict *qdict)
J
Juan Quintela 已提交
2012 2013
{
    int saved_vm_running  = vm_running;
2014
    const char *name = qdict_get_str(qdict, "name");
J
Juan Quintela 已提交
2015 2016 2017

    vm_stop(0);

2018
    if (load_vmstate(mon, name) >= 0 && saved_vm_running)
J
Juan Quintela 已提交
2019 2020 2021
        vm_start();
}

2022 2023
int monitor_get_fd(Monitor *mon, const char *fdname)
{
A
Anthony Liguori 已提交
2024
    mon_fd_t *monfd;
2025

B
Blue Swirl 已提交
2026
    QLIST_FOREACH(monfd, &mon->fds, next) {
2027 2028 2029 2030 2031 2032 2033 2034 2035
        int fd;

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

        fd = monfd->fd;

        /* caller takes ownership of fd */
B
Blue Swirl 已提交
2036
        QLIST_REMOVE(monfd, next);
2037 2038 2039 2040 2041 2042 2043 2044 2045
        qemu_free(monfd->name);
        qemu_free(monfd);

        return fd;
    }

    return -1;
}

A
Anthony Liguori 已提交
2046
static const mon_cmd_t mon_cmds[] = {
2047
#include "qemu-monitor.h"
2048
    { NULL, NULL, },
B
bellard 已提交
2049 2050
};

2051
/* Please update qemu-monitor.hx when adding or changing commands */
A
Anthony Liguori 已提交
2052
static const mon_cmd_t info_cmds[] = {
2053 2054 2055 2056 2057
    {
        .name       = "version",
        .args_type  = "",
        .params     = "",
        .help       = "show the version of QEMU",
2058 2059
        .user_print = monitor_print_qobject,
        .mhandler.info_new = do_info_version,
2060
    },
2061 2062 2063 2064 2065 2066 2067 2068
    {
        .name       = "commands",
        .args_type  = "",
        .params     = "",
        .help       = "list QMP available commands",
        .user_print = monitor_user_noop,
        .mhandler.info_new = do_info_commands,
    },
2069 2070 2071 2072 2073
    {
        .name       = "network",
        .args_type  = "",
        .params     = "",
        .help       = "show the network state",
L
Luiz Capitulino 已提交
2074
        .mhandler.info = do_info_network,
2075 2076 2077 2078 2079 2080
    },
    {
        .name       = "chardev",
        .args_type  = "",
        .params     = "",
        .help       = "show the character devices",
L
Luiz Capitulino 已提交
2081
        .mhandler.info = qemu_chr_info,
2082 2083 2084 2085 2086 2087
    },
    {
        .name       = "block",
        .args_type  = "",
        .params     = "",
        .help       = "show the block devices",
L
Luiz Capitulino 已提交
2088
        .mhandler.info = bdrv_info,
2089 2090 2091 2092 2093 2094
    },
    {
        .name       = "blockstats",
        .args_type  = "",
        .params     = "",
        .help       = "show block device statistics",
L
Luiz Capitulino 已提交
2095
        .mhandler.info = bdrv_info_stats,
2096 2097 2098 2099 2100 2101
    },
    {
        .name       = "registers",
        .args_type  = "",
        .params     = "",
        .help       = "show the cpu registers",
L
Luiz Capitulino 已提交
2102
        .mhandler.info = do_info_registers,
2103 2104 2105 2106 2107 2108
    },
    {
        .name       = "cpus",
        .args_type  = "",
        .params     = "",
        .help       = "show infos for each CPU",
2109 2110
        .user_print = monitor_print_cpus,
        .mhandler.info_new = do_info_cpus,
2111 2112 2113 2114 2115 2116
    },
    {
        .name       = "history",
        .args_type  = "",
        .params     = "",
        .help       = "show the command line history",
L
Luiz Capitulino 已提交
2117
        .mhandler.info = do_info_history,
2118 2119 2120 2121 2122 2123
    },
    {
        .name       = "irq",
        .args_type  = "",
        .params     = "",
        .help       = "show the interrupts statistics (if available)",
L
Luiz Capitulino 已提交
2124
        .mhandler.info = irq_info,
2125 2126 2127 2128 2129 2130
    },
    {
        .name       = "pic",
        .args_type  = "",
        .params     = "",
        .help       = "show i8259 (PIC) state",
L
Luiz Capitulino 已提交
2131
        .mhandler.info = pic_info,
2132 2133 2134 2135 2136 2137
    },
    {
        .name       = "pci",
        .args_type  = "",
        .params     = "",
        .help       = "show PCI info",
L
Luiz Capitulino 已提交
2138
        .mhandler.info = pci_info,
2139
    },
A
aurel32 已提交
2140
#if defined(TARGET_I386) || defined(TARGET_SH4)
2141 2142 2143 2144 2145
    {
        .name       = "tlb",
        .args_type  = "",
        .params     = "",
        .help       = "show virtual to physical memory mappings",
L
Luiz Capitulino 已提交
2146
        .mhandler.info = tlb_info,
2147
    },
A
aurel32 已提交
2148 2149
#endif
#if defined(TARGET_I386)
2150 2151 2152 2153 2154
    {
        .name       = "mem",
        .args_type  = "",
        .params     = "",
        .help       = "show the active virtual memory mappings",
L
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        .mhandler.info = mem_info,
2156 2157 2158 2159 2160 2161
    },
    {
        .name       = "hpet",
        .args_type  = "",
        .params     = "",
        .help       = "show state of HPET",
L
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        .mhandler.info = do_info_hpet,
2163
    },
B
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#endif
2165 2166 2167 2168 2169
    {
        .name       = "jit",
        .args_type  = "",
        .params     = "",
        .help       = "show dynamic compiler info",
L
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        .mhandler.info = do_info_jit,
2171 2172 2173 2174 2175 2176
    },
    {
        .name       = "kvm",
        .args_type  = "",
        .params     = "",
        .help       = "show KVM information",
L
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2177
        .mhandler.info = do_info_kvm,
2178 2179 2180 2181 2182 2183
    },
    {
        .name       = "numa",
        .args_type  = "",
        .params     = "",
        .help       = "show NUMA information",
L
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        .mhandler.info = do_info_numa,
2185 2186 2187 2188 2189 2190
    },
    {
        .name       = "usb",
        .args_type  = "",
        .params     = "",
        .help       = "show guest USB devices",
L
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2191
        .mhandler.info = usb_info,
2192 2193 2194 2195 2196 2197
    },
    {
        .name       = "usbhost",
        .args_type  = "",
        .params     = "",
        .help       = "show host USB devices",
L
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2198
        .mhandler.info = usb_host_info,
2199 2200 2201 2202 2203 2204
    },
    {
        .name       = "profile",
        .args_type  = "",
        .params     = "",
        .help       = "show profiling information",
L
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        .mhandler.info = do_info_profile,
2206 2207 2208 2209 2210 2211
    },
    {
        .name       = "capture",
        .args_type  = "",
        .params     = "",
        .help       = "show capture information",
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        .mhandler.info = do_info_capture,
2213 2214 2215 2216 2217 2218
    },
    {
        .name       = "snapshots",
        .args_type  = "",
        .params     = "",
        .help       = "show the currently saved VM snapshots",
L
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2219
        .mhandler.info = do_info_snapshots,
2220 2221 2222 2223 2224 2225
    },
    {
        .name       = "status",
        .args_type  = "",
        .params     = "",
        .help       = "show the current VM status (running|paused)",
L
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        .mhandler.info = do_info_status,
2227 2228 2229 2230 2231 2232
    },
    {
        .name       = "pcmcia",
        .args_type  = "",
        .params     = "",
        .help       = "show guest PCMCIA status",
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        .mhandler.info = pcmcia_info,
2234 2235 2236 2237 2238 2239
    },
    {
        .name       = "mice",
        .args_type  = "",
        .params     = "",
        .help       = "show which guest mouse is receiving events",
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        .mhandler.info = do_info_mice,
2241 2242 2243 2244 2245 2246
    },
    {
        .name       = "vnc",
        .args_type  = "",
        .params     = "",
        .help       = "show the vnc server status",
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        .mhandler.info = do_info_vnc,
2248 2249 2250 2251 2252 2253
    },
    {
        .name       = "name",
        .args_type  = "",
        .params     = "",
        .help       = "show the current VM name",
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        .mhandler.info = do_info_name,
2255 2256 2257 2258 2259 2260
    },
    {
        .name       = "uuid",
        .args_type  = "",
        .params     = "",
        .help       = "show the current VM UUID",
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2261
        .mhandler.info = do_info_uuid,
2262
    },
2263
#if defined(TARGET_PPC)
2264 2265 2266 2267 2268
    {
        .name       = "cpustats",
        .args_type  = "",
        .params     = "",
        .help       = "show CPU statistics",
L
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2269
        .mhandler.info = do_info_cpu_stats,
2270
    },
2271
#endif
2272
#if defined(CONFIG_SLIRP)
2273 2274 2275 2276 2277
    {
        .name       = "usernet",
        .args_type  = "",
        .params     = "",
        .help       = "show user network stack connection states",
L
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2278
        .mhandler.info = do_info_usernet,
2279
    },
2280
#endif
2281 2282 2283 2284 2285
    {
        .name       = "migrate",
        .args_type  = "",
        .params     = "",
        .help       = "show migration status",
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        .mhandler.info = do_info_migrate,
2287 2288 2289 2290 2291 2292
    },
    {
        .name       = "balloon",
        .args_type  = "",
        .params     = "",
        .help       = "show balloon information",
2293 2294
        .user_print = monitor_print_balloon,
        .mhandler.info_new = do_info_balloon,
2295 2296 2297 2298 2299 2300
    },
    {
        .name       = "qtree",
        .args_type  = "",
        .params     = "",
        .help       = "show device tree",
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        .mhandler.info = do_info_qtree,
2302 2303 2304 2305 2306 2307
    },
    {
        .name       = "qdm",
        .args_type  = "",
        .params     = "",
        .help       = "show qdev device model list",
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        .mhandler.info = do_info_qdm,
2309 2310 2311 2312 2313 2314
    },
    {
        .name       = "roms",
        .args_type  = "",
        .params     = "",
        .help       = "show roms",
L
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2315
        .mhandler.info = do_info_roms,
2316 2317 2318 2319
    },
    {
        .name       = NULL,
    },
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2320 2321
};

2322 2323 2324 2325 2326
/*******************************************************************/

static const char *pch;
static jmp_buf expr_env;

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2327 2328 2329
#define MD_TLONG 0
#define MD_I32   1

2330 2331 2332
typedef struct MonitorDef {
    const char *name;
    int offset;
B
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    target_long (*get_value)(const struct MonitorDef *md, int val);
B
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2334
    int type;
2335 2336
} MonitorDef;

B
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2337
#if defined(TARGET_I386)
B
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static target_long monitor_get_pc (const struct MonitorDef *md, int val)
B
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{
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2340 2341 2342 2343
    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return env->eip + env->segs[R_CS].base;
B
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2344 2345 2346
}
#endif

2347
#if defined(TARGET_PPC)
B
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static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2349
{
B
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2350
    CPUState *env = mon_get_cpu();
2351 2352 2353
    unsigned int u;
    int i;

B
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2354 2355 2356
    if (!env)
        return 0;

2357 2358
    u = 0;
    for (i = 0; i < 8; i++)
2359
        u |= env->crf[i] << (32 - (4 * i));
2360 2361 2362 2363

    return u;
}

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2364
static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2365
{
B
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2366 2367 2368
    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
2369
    return env->msr;
2370 2371
}

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static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2373
{
B
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2374 2375 2376
    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
A
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2377
    return env->xer;
2378
}
2379

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2380
static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2381
{
B
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2382 2383 2384 2385
    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return cpu_ppc_load_decr(env);
2386 2387
}

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2388
static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2389
{
B
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2390 2391 2392 2393
    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return cpu_ppc_load_tbu(env);
2394 2395
}

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static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2397
{
B
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2398 2399 2400 2401
    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return cpu_ppc_load_tbl(env);
2402
}
2403 2404
#endif

2405
#if defined(TARGET_SPARC)
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2406
#ifndef TARGET_SPARC64
B
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static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2408
{
B
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2409 2410 2411 2412
    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return GET_PSR(env);
2413
}
B
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2414
#endif
2415

B
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2416
static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2417
{
B
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2418 2419 2420 2421
    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return env->regwptr[val];
2422 2423 2424
}
#endif

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2425
static const MonitorDef monitor_defs[] = {
2426
#ifdef TARGET_I386
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2427 2428

#define SEG(name, seg) \
B
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    { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
B
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2430
    { name ".base", offsetof(CPUState, segs[seg].base) },\
B
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2431
    { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
B
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2432

2433 2434 2435 2436 2437 2438 2439
    { "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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2440
    { "edi", offsetof(CPUState, regs[7]) },
B
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2441 2442 2443 2444 2445 2446 2447 2448 2449 2450
#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
2451
    { "eflags", offsetof(CPUState, eflags) },
B
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2452 2453 2454 2455
    { "eip", offsetof(CPUState, eip) },
    SEG("cs", R_CS)
    SEG("ds", R_DS)
    SEG("es", R_ES)
B
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2456
    SEG("ss", R_SS)
B
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2457 2458 2459
    SEG("fs", R_FS)
    SEG("gs", R_GS)
    { "pc", 0, monitor_get_pc, },
2460
#elif defined(TARGET_PPC)
J
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2461
    /* General purpose registers */
2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493
    { "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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2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528
    /* Floating point registers */
    { "f0", offsetof(CPUState, fpr[0]) },
    { "f1", offsetof(CPUState, fpr[1]) },
    { "f2", offsetof(CPUState, fpr[2]) },
    { "f3", offsetof(CPUState, fpr[3]) },
    { "f4", offsetof(CPUState, fpr[4]) },
    { "f5", offsetof(CPUState, fpr[5]) },
    { "f6", offsetof(CPUState, fpr[6]) },
    { "f7", offsetof(CPUState, fpr[7]) },
    { "f8", offsetof(CPUState, fpr[8]) },
    { "f9", offsetof(CPUState, fpr[9]) },
    { "f10", offsetof(CPUState, fpr[10]) },
    { "f11", offsetof(CPUState, fpr[11]) },
    { "f12", offsetof(CPUState, fpr[12]) },
    { "f13", offsetof(CPUState, fpr[13]) },
    { "f14", offsetof(CPUState, fpr[14]) },
    { "f15", offsetof(CPUState, fpr[15]) },
    { "f16", offsetof(CPUState, fpr[16]) },
    { "f17", offsetof(CPUState, fpr[17]) },
    { "f18", offsetof(CPUState, fpr[18]) },
    { "f19", offsetof(CPUState, fpr[19]) },
    { "f20", offsetof(CPUState, fpr[20]) },
    { "f21", offsetof(CPUState, fpr[21]) },
    { "f22", offsetof(CPUState, fpr[22]) },
    { "f23", offsetof(CPUState, fpr[23]) },
    { "f24", offsetof(CPUState, fpr[24]) },
    { "f25", offsetof(CPUState, fpr[25]) },
    { "f26", offsetof(CPUState, fpr[26]) },
    { "f27", offsetof(CPUState, fpr[27]) },
    { "f28", offsetof(CPUState, fpr[28]) },
    { "f29", offsetof(CPUState, fpr[29]) },
    { "f30", offsetof(CPUState, fpr[30]) },
    { "f31", offsetof(CPUState, fpr[31]) },
    { "fpscr", offsetof(CPUState, fpscr) },
    /* Next instruction pointer */
B
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    { "nip|pc", offsetof(CPUState, nip) },
2530 2531
    { "lr", offsetof(CPUState, lr) },
    { "ctr", offsetof(CPUState, ctr) },
2532
    { "decr", 0, &monitor_get_decr, },
2533
    { "ccr", 0, &monitor_get_ccr, },
J
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2534
    /* Machine state register */
2535 2536
    { "msr", 0, &monitor_get_msr, },
    { "xer", 0, &monitor_get_xer, },
2537 2538
    { "tbu", 0, &monitor_get_tbu, },
    { "tbl", 0, &monitor_get_tbl, },
J
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2539 2540 2541 2542 2543
#if defined(TARGET_PPC64)
    /* Address space register */
    { "asr", offsetof(CPUState, asr) },
#endif
    /* Segment registers */
2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561
    { "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 ... */
2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597
#elif defined(TARGET_SPARC)
    { "g0", offsetof(CPUState, gregs[0]) },
    { "g1", offsetof(CPUState, gregs[1]) },
    { "g2", offsetof(CPUState, gregs[2]) },
    { "g3", offsetof(CPUState, gregs[3]) },
    { "g4", offsetof(CPUState, gregs[4]) },
    { "g5", offsetof(CPUState, gregs[5]) },
    { "g6", offsetof(CPUState, gregs[6]) },
    { "g7", offsetof(CPUState, gregs[7]) },
    { "o0", 0, monitor_get_reg },
    { "o1", 1, monitor_get_reg },
    { "o2", 2, monitor_get_reg },
    { "o3", 3, monitor_get_reg },
    { "o4", 4, monitor_get_reg },
    { "o5", 5, monitor_get_reg },
    { "o6", 6, monitor_get_reg },
    { "o7", 7, monitor_get_reg },
    { "l0", 8, monitor_get_reg },
    { "l1", 9, monitor_get_reg },
    { "l2", 10, monitor_get_reg },
    { "l3", 11, monitor_get_reg },
    { "l4", 12, monitor_get_reg },
    { "l5", 13, monitor_get_reg },
    { "l6", 14, monitor_get_reg },
    { "l7", 15, monitor_get_reg },
    { "i0", 16, monitor_get_reg },
    { "i1", 17, monitor_get_reg },
    { "i2", 18, monitor_get_reg },
    { "i3", 19, monitor_get_reg },
    { "i4", 20, monitor_get_reg },
    { "i5", 21, monitor_get_reg },
    { "i6", 22, monitor_get_reg },
    { "i7", 23, monitor_get_reg },
    { "pc", offsetof(CPUState, pc) },
    { "npc", offsetof(CPUState, npc) },
    { "y", offsetof(CPUState, y) },
B
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2598
#ifndef TARGET_SPARC64
2599 2600
    { "psr", 0, &monitor_get_psr, },
    { "wim", offsetof(CPUState, wim) },
B
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2601
#endif
2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635
    { "tbr", offsetof(CPUState, tbr) },
    { "fsr", offsetof(CPUState, fsr) },
    { "f0", offsetof(CPUState, fpr[0]) },
    { "f1", offsetof(CPUState, fpr[1]) },
    { "f2", offsetof(CPUState, fpr[2]) },
    { "f3", offsetof(CPUState, fpr[3]) },
    { "f4", offsetof(CPUState, fpr[4]) },
    { "f5", offsetof(CPUState, fpr[5]) },
    { "f6", offsetof(CPUState, fpr[6]) },
    { "f7", offsetof(CPUState, fpr[7]) },
    { "f8", offsetof(CPUState, fpr[8]) },
    { "f9", offsetof(CPUState, fpr[9]) },
    { "f10", offsetof(CPUState, fpr[10]) },
    { "f11", offsetof(CPUState, fpr[11]) },
    { "f12", offsetof(CPUState, fpr[12]) },
    { "f13", offsetof(CPUState, fpr[13]) },
    { "f14", offsetof(CPUState, fpr[14]) },
    { "f15", offsetof(CPUState, fpr[15]) },
    { "f16", offsetof(CPUState, fpr[16]) },
    { "f17", offsetof(CPUState, fpr[17]) },
    { "f18", offsetof(CPUState, fpr[18]) },
    { "f19", offsetof(CPUState, fpr[19]) },
    { "f20", offsetof(CPUState, fpr[20]) },
    { "f21", offsetof(CPUState, fpr[21]) },
    { "f22", offsetof(CPUState, fpr[22]) },
    { "f23", offsetof(CPUState, fpr[23]) },
    { "f24", offsetof(CPUState, fpr[24]) },
    { "f25", offsetof(CPUState, fpr[25]) },
    { "f26", offsetof(CPUState, fpr[26]) },
    { "f27", offsetof(CPUState, fpr[27]) },
    { "f28", offsetof(CPUState, fpr[28]) },
    { "f29", offsetof(CPUState, fpr[29]) },
    { "f30", offsetof(CPUState, fpr[30]) },
    { "f31", offsetof(CPUState, fpr[31]) },
B
bellard 已提交
2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661
#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
2662 2663 2664 2665
#endif
    { NULL },
};

A
aliguori 已提交
2666
static void expr_error(Monitor *mon, const char *msg)
B
bellard 已提交
2667
{
A
aliguori 已提交
2668
    monitor_printf(mon, "%s\n", msg);
2669 2670 2671
    longjmp(expr_env, 1);
}

B
bellard 已提交
2672
/* return 0 if OK, -1 if not found, -2 if no CPU defined */
B
bellard 已提交
2673
static int get_monitor_def(target_long *pval, const char *name)
2674
{
B
blueswir1 已提交
2675
    const MonitorDef *md;
B
bellard 已提交
2676 2677
    void *ptr;

2678 2679 2680
    for(md = monitor_defs; md->name != NULL; md++) {
        if (compare_cmd(name, md->name)) {
            if (md->get_value) {
2681
                *pval = md->get_value(md, md->offset);
2682
            } else {
B
bellard 已提交
2683 2684 2685 2686
                CPUState *env = mon_get_cpu();
                if (!env)
                    return -2;
                ptr = (uint8_t *)env + md->offset;
B
bellard 已提交
2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697
                switch(md->type) {
                case MD_I32:
                    *pval = *(int32_t *)ptr;
                    break;
                case MD_TLONG:
                    *pval = *(target_long *)ptr;
                    break;
                default:
                    *pval = 0;
                    break;
                }
2698 2699 2700 2701 2702 2703 2704 2705 2706
            }
            return 0;
        }
    }
    return -1;
}

static void next(void)
{
2707
    if (*pch != '\0') {
2708
        pch++;
2709
        while (qemu_isspace(*pch))
2710 2711 2712 2713
            pch++;
    }
}

A
aliguori 已提交
2714
static int64_t expr_sum(Monitor *mon);
2715

A
aliguori 已提交
2716
static int64_t expr_unary(Monitor *mon)
2717
{
B
blueswir1 已提交
2718
    int64_t n;
2719
    char *p;
B
bellard 已提交
2720
    int ret;
2721 2722 2723 2724

    switch(*pch) {
    case '+':
        next();
A
aliguori 已提交
2725
        n = expr_unary(mon);
2726 2727 2728
        break;
    case '-':
        next();
A
aliguori 已提交
2729
        n = -expr_unary(mon);
2730 2731 2732
        break;
    case '~':
        next();
A
aliguori 已提交
2733
        n = ~expr_unary(mon);
2734 2735 2736
        break;
    case '(':
        next();
A
aliguori 已提交
2737
        n = expr_sum(mon);
2738
        if (*pch != ')') {
A
aliguori 已提交
2739
            expr_error(mon, "')' expected");
2740 2741 2742
        }
        next();
        break;
B
bellard 已提交
2743 2744 2745
    case '\'':
        pch++;
        if (*pch == '\0')
A
aliguori 已提交
2746
            expr_error(mon, "character constant expected");
B
bellard 已提交
2747 2748 2749
        n = *pch;
        pch++;
        if (*pch != '\'')
A
aliguori 已提交
2750
            expr_error(mon, "missing terminating \' character");
B
bellard 已提交
2751 2752
        next();
        break;
2753 2754 2755
    case '$':
        {
            char buf[128], *q;
2756
            target_long reg=0;
2757

2758 2759 2760 2761 2762
            pch++;
            q = buf;
            while ((*pch >= 'a' && *pch <= 'z') ||
                   (*pch >= 'A' && *pch <= 'Z') ||
                   (*pch >= '0' && *pch <= '9') ||
B
bellard 已提交
2763
                   *pch == '_' || *pch == '.') {
2764 2765 2766 2767
                if ((q - buf) < sizeof(buf) - 1)
                    *q++ = *pch;
                pch++;
            }
2768
            while (qemu_isspace(*pch))
2769 2770
                pch++;
            *q = 0;
2771
            ret = get_monitor_def(&reg, buf);
B
bellard 已提交
2772
            if (ret == -1)
A
aliguori 已提交
2773
                expr_error(mon, "unknown register");
2774
            else if (ret == -2)
A
aliguori 已提交
2775
                expr_error(mon, "no cpu defined");
2776
            n = reg;
2777 2778 2779
        }
        break;
    case '\0':
A
aliguori 已提交
2780
        expr_error(mon, "unexpected end of expression");
2781 2782 2783
        n = 0;
        break;
    default:
2784
#if TARGET_PHYS_ADDR_BITS > 32
B
bellard 已提交
2785 2786
        n = strtoull(pch, &p, 0);
#else
2787
        n = strtoul(pch, &p, 0);
B
bellard 已提交
2788
#endif
2789
        if (pch == p) {
A
aliguori 已提交
2790
            expr_error(mon, "invalid char in expression");
2791 2792
        }
        pch = p;
2793
        while (qemu_isspace(*pch))
2794 2795 2796 2797 2798 2799 2800
            pch++;
        break;
    }
    return n;
}


A
aliguori 已提交
2801
static int64_t expr_prod(Monitor *mon)
2802
{
B
blueswir1 已提交
2803
    int64_t val, val2;
B
bellard 已提交
2804
    int op;
2805

A
aliguori 已提交
2806
    val = expr_unary(mon);
2807 2808 2809 2810 2811
    for(;;) {
        op = *pch;
        if (op != '*' && op != '/' && op != '%')
            break;
        next();
A
aliguori 已提交
2812
        val2 = expr_unary(mon);
2813 2814 2815 2816 2817 2818 2819
        switch(op) {
        default:
        case '*':
            val *= val2;
            break;
        case '/':
        case '%':
2820
            if (val2 == 0)
A
aliguori 已提交
2821
                expr_error(mon, "division by zero");
2822 2823 2824 2825 2826 2827 2828 2829 2830 2831
            if (op == '/')
                val /= val2;
            else
                val %= val2;
            break;
        }
    }
    return val;
}

A
aliguori 已提交
2832
static int64_t expr_logic(Monitor *mon)
2833
{
B
blueswir1 已提交
2834
    int64_t val, val2;
B
bellard 已提交
2835
    int op;
2836

A
aliguori 已提交
2837
    val = expr_prod(mon);
2838 2839 2840 2841 2842
    for(;;) {
        op = *pch;
        if (op != '&' && op != '|' && op != '^')
            break;
        next();
A
aliguori 已提交
2843
        val2 = expr_prod(mon);
2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859
        switch(op) {
        default:
        case '&':
            val &= val2;
            break;
        case '|':
            val |= val2;
            break;
        case '^':
            val ^= val2;
            break;
        }
    }
    return val;
}

A
aliguori 已提交
2860
static int64_t expr_sum(Monitor *mon)
2861
{
B
blueswir1 已提交
2862
    int64_t val, val2;
B
bellard 已提交
2863
    int op;
2864

A
aliguori 已提交
2865
    val = expr_logic(mon);
2866 2867 2868 2869 2870
    for(;;) {
        op = *pch;
        if (op != '+' && op != '-')
            break;
        next();
A
aliguori 已提交
2871
        val2 = expr_logic(mon);
2872 2873 2874 2875 2876 2877 2878 2879
        if (op == '+')
            val += val2;
        else
            val -= val2;
    }
    return val;
}

A
aliguori 已提交
2880
static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
2881 2882 2883 2884 2885 2886
{
    pch = *pp;
    if (setjmp(expr_env)) {
        *pp = pch;
        return -1;
    }
2887
    while (qemu_isspace(*pch))
2888
        pch++;
A
aliguori 已提交
2889
    *pval = expr_sum(mon);
2890 2891 2892 2893 2894 2895 2896 2897 2898 2899
    *pp = pch;
    return 0;
}

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

B
bellard 已提交
2900
    q = buf;
2901
    p = *pp;
2902
    while (qemu_isspace(*p))
2903 2904 2905
        p++;
    if (*p == '\0') {
    fail:
B
bellard 已提交
2906
        *q = '\0';
2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941
        *pp = p;
        return -1;
    }
    if (*p == '\"') {
        p++;
        while (*p != '\0' && *p != '\"') {
            if (*p == '\\') {
                p++;
                c = *p++;
                switch(c) {
                case 'n':
                    c = '\n';
                    break;
                case 'r':
                    c = '\r';
                    break;
                case '\\':
                case '\'':
                case '\"':
                    break;
                default:
                    qemu_printf("unsupported escape code: '\\%c'\n", c);
                    goto fail;
                }
                if ((q - buf) < buf_size - 1) {
                    *q++ = c;
                }
            } else {
                if ((q - buf) < buf_size - 1) {
                    *q++ = *p;
                }
                p++;
            }
        }
        if (*p != '\"') {
B
bellard 已提交
2942
            qemu_printf("unterminated string\n");
2943 2944 2945 2946
            goto fail;
        }
        p++;
    } else {
2947
        while (*p != '\0' && !qemu_isspace(*p)) {
2948 2949 2950 2951 2952 2953
            if ((q - buf) < buf_size - 1) {
                *q++ = *p;
            }
            p++;
        }
    }
B
bellard 已提交
2954
    *q = '\0';
2955 2956 2957 2958
    *pp = p;
    return 0;
}

2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984
/*
 * 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;
}

2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011
/**
 * Read key of 'type' into 'key' and return the current
 * 'type' pointer.
 */
static char *key_get_info(const char *type, char **key)
{
    size_t len;
    char *p, *str;

    if (*type == ',')
        type++;

    p = strchr(type, ':');
    if (!p) {
        *key = NULL;
        return NULL;
    }
    len = p - type;

    str = qemu_malloc(len + 1);
    memcpy(str, type, len);
    str[len] = '\0';

    *key = str;
    return ++p;
}

3012 3013 3014 3015 3016
static int default_fmt_format = 'x';
static int default_fmt_size = 4;

#define MAX_ARGS 16

3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028
static int is_valid_option(const char *c, const char *typestr)
{
    char option[3];
  
    option[0] = '-';
    option[1] = *c;
    option[2] = '\0';
  
    typestr = strstr(typestr, option);
    return (typestr != NULL);
}

3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041
static const mon_cmd_t *monitor_find_command(const char *cmdname)
{
    const mon_cmd_t *cmd;

    for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
        if (compare_cmd(cmdname, cmd->name)) {
            return cmd;
        }
    }

    return NULL;
}

A
Anthony Liguori 已提交
3042
static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3043 3044
                                              const char *cmdline,
                                              QDict *qdict)
3045
{
3046
    const char *p, *typestr;
3047
    int c;
A
Anthony Liguori 已提交
3048
    const mon_cmd_t *cmd;
3049 3050
    char cmdname[256];
    char buf[1024];
3051
    char *key;
B
bellard 已提交
3052 3053

#ifdef DEBUG
A
aliguori 已提交
3054
    monitor_printf(mon, "command='%s'\n", cmdline);
B
bellard 已提交
3055
#endif
3056

3057
    /* extract the command name */
3058 3059
    p = get_command_name(cmdline, cmdname, sizeof(cmdname));
    if (!p)
3060
        return NULL;
3061

3062 3063
    cmd = monitor_find_command(cmdname);
    if (!cmd) {
L
Luiz Capitulino 已提交
3064
        monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3065
        return NULL;
3066 3067 3068 3069
    }

    /* parse the parameters */
    typestr = cmd->args_type;
B
bellard 已提交
3070
    for(;;) {
3071 3072
        typestr = key_get_info(typestr, &key);
        if (!typestr)
B
bellard 已提交
3073
            break;
3074
        c = *typestr;
3075 3076 3077
        typestr++;
        switch(c) {
        case 'F':
B
bellard 已提交
3078
        case 'B':
3079 3080 3081
        case 's':
            {
                int ret;
3082

3083
                while (qemu_isspace(*p))
3084 3085 3086 3087 3088
                    p++;
                if (*typestr == '?') {
                    typestr++;
                    if (*p == '\0') {
                        /* no optional string: NULL argument */
3089
                        break;
3090 3091 3092 3093
                    }
                }
                ret = get_str(buf, sizeof(buf), &p);
                if (ret < 0) {
B
bellard 已提交
3094 3095
                    switch(c) {
                    case 'F':
A
aliguori 已提交
3096 3097
                        monitor_printf(mon, "%s: filename expected\n",
                                       cmdname);
B
bellard 已提交
3098 3099
                        break;
                    case 'B':
A
aliguori 已提交
3100 3101
                        monitor_printf(mon, "%s: block device name expected\n",
                                       cmdname);
B
bellard 已提交
3102 3103
                        break;
                    default:
A
aliguori 已提交
3104
                        monitor_printf(mon, "%s: string expected\n", cmdname);
B
bellard 已提交
3105 3106
                        break;
                    }
3107 3108
                    goto fail;
                }
3109
                qdict_put(qdict, key, qstring_from_str(buf));
3110
            }
B
bellard 已提交
3111
            break;
3112 3113 3114
        case '/':
            {
                int count, format, size;
3115

3116
                while (qemu_isspace(*p))
3117 3118 3119 3120 3121
                    p++;
                if (*p == '/') {
                    /* format found */
                    p++;
                    count = 1;
3122
                    if (qemu_isdigit(*p)) {
3123
                        count = 0;
3124
                        while (qemu_isdigit(*p)) {
3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162
                            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:
3163
                    if (*p != '\0' && !qemu_isspace(*p)) {
A
aliguori 已提交
3164 3165
                        monitor_printf(mon, "invalid char in format: '%c'\n",
                                       *p);
3166 3167 3168 3169
                        goto fail;
                    }
                    if (format < 0)
                        format = default_fmt_format;
3170 3171 3172 3173
                    if (format != 'i') {
                        /* for 'i', not specifying a size gives -1 as size */
                        if (size < 0)
                            size = default_fmt_size;
A
aurel32 已提交
3174
                        default_fmt_size = size;
3175
                    }
3176 3177 3178 3179
                    default_fmt_format = format;
                } else {
                    count = 1;
                    format = default_fmt_format;
3180 3181 3182 3183 3184
                    if (format != 'i') {
                        size = default_fmt_size;
                    } else {
                        size = -1;
                    }
3185
                }
3186 3187 3188
                qdict_put(qdict, "count", qint_from_int(count));
                qdict_put(qdict, "format", qint_from_int(format));
                qdict_put(qdict, "size", qint_from_int(size));
3189
            }
B
bellard 已提交
3190
            break;
3191
        case 'i':
B
bellard 已提交
3192
        case 'l':
3193
            {
B
blueswir1 已提交
3194
                int64_t val;
3195

3196
                while (qemu_isspace(*p))
3197
                    p++;
B
bellard 已提交
3198 3199
                if (*typestr == '?' || *typestr == '.') {
                    if (*typestr == '?') {
3200 3201 3202 3203
                        if (*p == '\0') {
                            typestr++;
                            break;
                        }
B
bellard 已提交
3204 3205 3206
                    } else {
                        if (*p == '.') {
                            p++;
3207
                            while (qemu_isspace(*p))
B
bellard 已提交
3208 3209
                                p++;
                        } else {
3210 3211
                            typestr++;
                            break;
B
bellard 已提交
3212 3213
                        }
                    }
B
bellard 已提交
3214
                    typestr++;
3215
                }
A
aliguori 已提交
3216
                if (get_expr(mon, &val, &p))
3217
                    goto fail;
3218 3219 3220 3221 3222 3223
                /* Check if 'i' is greater than 32-bit */
                if ((c == 'i') && ((val >> 32) & 0xffffffff)) {
                    monitor_printf(mon, "\'%s\' has failed: ", cmdname);
                    monitor_printf(mon, "integer is for 32-bit values\n");
                    goto fail;
                }
3224
                qdict_put(qdict, key, qint_from_int(val));
3225 3226 3227 3228
            }
            break;
        case '-':
            {
3229 3230
                const char *tmp = p;
                int has_option, skip_key = 0;
3231
                /* option */
3232

3233 3234 3235
                c = *typestr++;
                if (c == '\0')
                    goto bad_type;
3236
                while (qemu_isspace(*p))
3237 3238 3239 3240
                    p++;
                has_option = 0;
                if (*p == '-') {
                    p++;
3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255
                    if(c != *p) {
                        if(!is_valid_option(p, typestr)) {
                  
                            monitor_printf(mon, "%s: unsupported option -%c\n",
                                           cmdname, *p);
                            goto fail;
                        } else {
                            skip_key = 1;
                        }
                    }
                    if(skip_key) {
                        p = tmp;
                    } else {
                        p++;
                        has_option = 1;
3256 3257
                    }
                }
3258
                qdict_put(qdict, key, qint_from_int(has_option));
3259 3260 3261 3262
            }
            break;
        default:
        bad_type:
A
aliguori 已提交
3263
            monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3264 3265
            goto fail;
        }
3266 3267
        qemu_free(key);
        key = NULL;
B
bellard 已提交
3268
    }
3269
    /* check that all arguments were parsed */
3270
    while (qemu_isspace(*p))
3271 3272
        p++;
    if (*p != '\0') {
A
aliguori 已提交
3273 3274
        monitor_printf(mon, "%s: extraneous characters at the end of line\n",
                       cmdname);
3275
        goto fail;
B
bellard 已提交
3276
    }
3277

3278
    return cmd;
G
Gerd Hoffmann 已提交
3279

3280
fail:
3281
    qemu_free(key);
3282 3283 3284
    return NULL;
}

L
Luiz Capitulino 已提交
3285 3286 3287 3288 3289 3290 3291
static void monitor_print_error(Monitor *mon)
{
    qerror_print(mon->error);
    QDECREF(mon->error);
    mon->error = NULL;
}

3292 3293 3294 3295 3296 3297
static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
                                 const QDict *params)
{
    QObject *data = NULL;

    cmd->mhandler.cmd_new(mon, params, &data);
L
Luiz Capitulino 已提交
3298 3299 3300 3301 3302 3303 3304 3305 3306

    if (monitor_ctrl_mode(mon)) {
        /* Monitor Protocol */
        monitor_protocol_emitter(mon, data);
    } else {
        /* User Protocol */
         if (data)
            cmd->user_print(mon, data);
    }
3307 3308 3309 3310

    qobject_decref(data);
}

3311
static void handle_user_command(Monitor *mon, const char *cmdline)
3312 3313
{
    QDict *qdict;
A
Anthony Liguori 已提交
3314
    const mon_cmd_t *cmd;
3315 3316 3317

    qdict = qdict_new();

L
Luiz Capitulino 已提交
3318
    cmd = monitor_parse_command(mon, cmdline, qdict);
3319 3320 3321 3322 3323 3324
    if (!cmd)
        goto out;

    qemu_errors_to_mon(mon);

    if (monitor_handler_ported(cmd)) {
3325
        monitor_call_handler(mon, cmd, qdict);
3326
    } else {
3327
        cmd->mhandler.cmd(mon, qdict);
3328 3329
    }

L
Luiz Capitulino 已提交
3330 3331 3332 3333
    if (monitor_has_error(mon))
        monitor_print_error(mon);

    qemu_errors_to_previous();
3334 3335

out:
3336
    QDECREF(qdict);
B
bellard 已提交
3337 3338
}

B
bellard 已提交
3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356
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))) {
3357
            readline_add_completion(cur_mon->rs, cmd);
B
bellard 已提交
3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373
        }
        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;

3374
    p = strrchr(input, '/');
B
bellard 已提交
3375 3376 3377
    if (!p) {
        input_path_len = 0;
        pstrcpy(file_prefix, sizeof(file_prefix), input);
B
blueswir1 已提交
3378
        pstrcpy(path, sizeof(path), ".");
B
bellard 已提交
3379 3380 3381 3382 3383 3384 3385 3386 3387
    } 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
A
aliguori 已提交
3388 3389
    monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
                   input, path, file_prefix);
B
bellard 已提交
3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400
#endif
    ffs = opendir(path);
    if (!ffs)
        return;
    for(;;) {
        struct stat sb;
        d = readdir(ffs);
        if (!d)
            break;
        if (strstart(d->d_name, file_prefix, NULL)) {
            memcpy(file, input, input_path_len);
B
blueswir1 已提交
3401 3402 3403
            if (input_path_len < sizeof(file))
                pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
                        d->d_name);
B
bellard 已提交
3404 3405 3406 3407 3408
            /* stat the file to find out if it's a directory.
             * In that case add a slash to speed up typing long paths
             */
            stat(file, &sb);
            if(S_ISDIR(sb.st_mode))
B
blueswir1 已提交
3409
                pstrcat(file, sizeof(file), "/");
3410
            readline_add_completion(cur_mon->rs, file);
B
bellard 已提交
3411 3412 3413 3414 3415
        }
    }
    closedir(ffs);
}

3416
static void block_completion_it(void *opaque, BlockDriverState *bs)
B
bellard 已提交
3417
{
3418
    const char *name = bdrv_get_device_name(bs);
B
bellard 已提交
3419 3420 3421 3422
    const char *input = opaque;

    if (input[0] == '\0' ||
        !strncmp(name, (char *)input, strlen(input))) {
3423
        readline_add_completion(cur_mon->rs, name);
B
bellard 已提交
3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437
    }
}

/* 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(;;) {
3438
        while (qemu_isspace(*p))
B
bellard 已提交
3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452
            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;
}

3453 3454 3455 3456 3457 3458
static const char *next_arg_type(const char *typestr)
{
    const char *p = strchr(typestr, ':');
    return (p != NULL ? ++p : typestr);
}

3459
static void monitor_find_completion(const char *cmdline)
B
bellard 已提交
3460 3461 3462 3463 3464
{
    const char *cmdname;
    char *args[MAX_ARGS];
    int nb_args, i, len;
    const char *ptype, *str;
A
Anthony Liguori 已提交
3465
    const mon_cmd_t *cmd;
3466
    const KeyDef *key;
B
bellard 已提交
3467 3468 3469 3470

    parse_cmdline(cmdline, &nb_args, args);
#ifdef DEBUG_COMPLETION
    for(i = 0; i < nb_args; i++) {
A
aliguori 已提交
3471
        monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
B
bellard 已提交
3472 3473 3474 3475 3476 3477
    }
#endif

    /* if the line ends with a space, it means we want to complete the
       next arg */
    len = strlen(cmdline);
3478
    if (len > 0 && qemu_isspace(cmdline[len - 1])) {
B
bellard 已提交
3479 3480 3481 3482 3483 3484 3485 3486 3487 3488
        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];
3489
        readline_set_completion_index(cur_mon->rs, strlen(cmdname));
A
aliguori 已提交
3490
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
B
bellard 已提交
3491 3492 3493 3494
            cmd_completion(cmdname, cmd->name);
        }
    } else {
        /* find the command */
A
aliguori 已提交
3495
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
B
bellard 已提交
3496 3497 3498 3499 3500
            if (compare_cmd(args[0], cmd->name))
                goto found;
        }
        return;
    found:
3501
        ptype = next_arg_type(cmd->args_type);
B
bellard 已提交
3502 3503
        for(i = 0; i < nb_args - 2; i++) {
            if (*ptype != '\0') {
3504
                ptype = next_arg_type(ptype);
B
bellard 已提交
3505
                while (*ptype == '?')
3506
                    ptype = next_arg_type(ptype);
B
bellard 已提交
3507 3508 3509
            }
        }
        str = args[nb_args - 1];
3510 3511 3512
        if (*ptype == '-' && ptype[1] != '\0') {
            ptype += 2;
        }
B
bellard 已提交
3513 3514 3515
        switch(*ptype) {
        case 'F':
            /* file completion */
3516
            readline_set_completion_index(cur_mon->rs, strlen(str));
B
bellard 已提交
3517 3518 3519 3520
            file_completion(str);
            break;
        case 'B':
            /* block device name completion */
3521
            readline_set_completion_index(cur_mon->rs, strlen(str));
B
bellard 已提交
3522 3523
            bdrv_iterate(block_completion_it, (void *)str);
            break;
B
bellard 已提交
3524 3525 3526
        case 's':
            /* XXX: more generic ? */
            if (!strcmp(cmd->name, "info")) {
3527
                readline_set_completion_index(cur_mon->rs, strlen(str));
B
bellard 已提交
3528 3529 3530
                for(cmd = info_cmds; cmd->name != NULL; cmd++) {
                    cmd_completion(str, cmd->name);
                }
3531
            } else if (!strcmp(cmd->name, "sendkey")) {
B
blueswir1 已提交
3532 3533 3534
                char *sep = strrchr(str, '-');
                if (sep)
                    str = sep + 1;
3535
                readline_set_completion_index(cur_mon->rs, strlen(str));
3536 3537 3538
                for(key = key_defs; key->name != NULL; key++) {
                    cmd_completion(str, key->name);
                }
3539 3540 3541 3542 3543
            } 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);
                }
B
bellard 已提交
3544 3545
            }
            break;
B
bellard 已提交
3546 3547 3548 3549 3550 3551 3552 3553
        default:
            break;
        }
    }
    for(i = 0; i < nb_args; i++)
        qemu_free(args[i]);
}

3554
static int monitor_can_read(void *opaque)
B
bellard 已提交
3555
{
3556 3557 3558
    Monitor *mon = opaque;

    return (mon->suspend_cnt == 0) ? 128 : 0;
B
bellard 已提交
3559 3560
}

L
Luiz Capitulino 已提交
3561 3562 3563 3564 3565 3566 3567 3568 3569 3570 3571 3572 3573 3574
/**
 * monitor_control_read(): Read and handle QMP input
 */
static void monitor_control_read(void *opaque, const uint8_t *buf, int size)
{
    Monitor *old_mon = cur_mon;

    cur_mon = opaque;

    // TODO: read QMP input

    cur_mon = old_mon;
}

3575
static void monitor_read(void *opaque, const uint8_t *buf, int size)
B
bellard 已提交
3576
{
3577
    Monitor *old_mon = cur_mon;
3578
    int i;
A
aliguori 已提交
3579

3580 3581
    cur_mon = opaque;

3582 3583 3584 3585 3586 3587 3588
    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
3589
            handle_user_command(cur_mon, (char *)buf);
3590
    }
B
bellard 已提交
3591

3592 3593
    cur_mon = old_mon;
}
3594

A
aliguori 已提交
3595
static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
B
bellard 已提交
3596
{
3597
    monitor_suspend(mon);
3598
    handle_user_command(mon, cmdline);
3599
    monitor_resume(mon);
3600 3601
}

3602
int monitor_suspend(Monitor *mon)
3603
{
3604 3605
    if (!mon->rs)
        return -ENOTTY;
3606
    mon->suspend_cnt++;
3607
    return 0;
3608 3609
}

A
aliguori 已提交
3610
void monitor_resume(Monitor *mon)
3611
{
3612 3613
    if (!mon->rs)
        return;
3614 3615
    if (--mon->suspend_cnt == 0)
        readline_show_prompt(mon->rs);
B
bellard 已提交
3616 3617
}

L
Luiz Capitulino 已提交
3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634
/**
 * monitor_control_event(): Print QMP gretting
 */
static void monitor_control_event(void *opaque, int event)
{
    if (event == CHR_EVENT_OPENED) {
        QObject *data;
        Monitor *mon = opaque;

        data = qobject_from_jsonf("{ 'QMP': { 'capabilities': [] } }");
        assert(data != NULL);

        monitor_json_emitter(mon, data);
        qobject_decref(data);
    }
}

3635
static void monitor_event(void *opaque, int event)
3636
{
A
aliguori 已提交
3637 3638
    Monitor *mon = opaque;

3639 3640
    switch (event) {
    case CHR_EVENT_MUX_IN:
G
Gerd Hoffmann 已提交
3641 3642 3643 3644 3645 3646 3647 3648
        mon->mux_out = 0;
        if (mon->reset_seen) {
            readline_restart(mon->rs);
            monitor_resume(mon);
            monitor_flush(mon);
        } else {
            mon->suspend_cnt = 0;
        }
3649 3650 3651
        break;

    case CHR_EVENT_MUX_OUT:
G
Gerd Hoffmann 已提交
3652 3653 3654 3655 3656 3657 3658 3659 3660 3661
        if (mon->reset_seen) {
            if (mon->suspend_cnt == 0) {
                monitor_printf(mon, "\n");
            }
            monitor_flush(mon);
            monitor_suspend(mon);
        } else {
            mon->suspend_cnt++;
        }
        mon->mux_out = 1;
3662
        break;
3663

3664
    case CHR_EVENT_OPENED:
3665 3666
        monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
                       "information\n", QEMU_VERSION);
G
Gerd Hoffmann 已提交
3667
        if (!mon->mux_out) {
3668
            readline_show_prompt(mon->rs);
G
Gerd Hoffmann 已提交
3669 3670
        }
        mon->reset_seen = 1;
3671 3672
        break;
    }
3673 3674
}

3675 3676 3677 3678 3679 3680 3681 3682 3683

/*
 * Local variables:
 *  c-indent-level: 4
 *  c-basic-offset: 4
 *  tab-width: 8
 * End:
 */

3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701
const char *monitor_cmdline_parse(const char *cmdline, int *flags)
{
    const char *dev;

    if (strstart(cmdline, "control,", &dev)) {
        if (strstart(dev, "vc", NULL)) {
            fprintf(stderr, "qemu: control mode is for low-level interaction ");
            fprintf(stderr, "cannot be used with device 'vc'\n");
            exit(1);
        }
        *flags &= ~MONITOR_USE_READLINE;
        *flags |= MONITOR_USE_CONTROL;
        return dev;
    }

    return cmdline;
}

3702
void monitor_init(CharDriverState *chr, int flags)
B
bellard 已提交
3703
{
3704
    static int is_first_init = 1;
3705
    Monitor *mon;
T
ths 已提交
3706 3707

    if (is_first_init) {
3708
        key_timer = qemu_new_timer(vm_clock, release_keys, NULL);
T
ths 已提交
3709 3710
        is_first_init = 0;
    }
3711 3712

    mon = qemu_mallocz(sizeof(*mon));
T
ths 已提交
3713

3714
    mon->chr = chr;
3715
    mon->flags = flags;
3716 3717 3718 3719
    if (flags & MONITOR_USE_READLINE) {
        mon->rs = readline_init(mon, monitor_find_completion);
        monitor_read_command(mon, 0);
    }
3720

L
Luiz Capitulino 已提交
3721 3722 3723 3724 3725 3726 3727 3728
    if (monitor_ctrl_mode(mon)) {
        /* Control mode requires special handlers */
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
                              monitor_control_event, mon);
    } else {
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
                              monitor_event, mon);
    }
3729

B
Blue Swirl 已提交
3730
    QLIST_INSERT_HEAD(&mon_list, mon, entry);
3731
    if (!cur_mon || (flags & MONITOR_IS_DEFAULT))
3732
        cur_mon = mon;
B
bellard 已提交
3733 3734
}

A
aliguori 已提交
3735
static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
B
bellard 已提交
3736
{
3737 3738
    BlockDriverState *bs = opaque;
    int ret = 0;
B
bellard 已提交
3739

3740
    if (bdrv_set_key(bs, password) != 0) {
A
aliguori 已提交
3741
        monitor_printf(mon, "invalid password\n");
3742
        ret = -EPERM;
B
bellard 已提交
3743
    }
3744 3745
    if (mon->password_completion_cb)
        mon->password_completion_cb(mon->password_opaque, ret);
3746

3747
    monitor_read_command(mon, 1);
B
bellard 已提交
3748
}
3749

A
aliguori 已提交
3750
void monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
3751 3752
                                 BlockDriverCompletionFunc *completion_cb,
                                 void *opaque)
3753
{
3754 3755
    int err;

3756 3757 3758 3759 3760
    if (!bdrv_key_required(bs)) {
        if (completion_cb)
            completion_cb(opaque, 0);
        return;
    }
3761

A
aliguori 已提交
3762 3763
    monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
                   bdrv_get_encrypted_filename(bs));
3764

3765 3766
    mon->password_completion_cb = completion_cb;
    mon->password_opaque = opaque;
3767

3768 3769 3770 3771
    err = monitor_read_password(mon, bdrv_password_cb, bs);

    if (err && completion_cb)
        completion_cb(opaque, err);
3772
}
G
Gerd Hoffmann 已提交
3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786

typedef struct QemuErrorSink QemuErrorSink;
struct QemuErrorSink {
    enum {
        ERR_SINK_FILE,
        ERR_SINK_MONITOR,
    } dest;
    union {
        FILE    *fp;
        Monitor *mon;
    };
    QemuErrorSink *previous;
};

B
Blue Swirl 已提交
3787
static QemuErrorSink *qemu_error_sink;
G
Gerd Hoffmann 已提交
3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801 3802 3803 3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838

void qemu_errors_to_file(FILE *fp)
{
    QemuErrorSink *sink;

    sink = qemu_mallocz(sizeof(*sink));
    sink->dest = ERR_SINK_FILE;
    sink->fp = fp;
    sink->previous = qemu_error_sink;
    qemu_error_sink = sink;
}

void qemu_errors_to_mon(Monitor *mon)
{
    QemuErrorSink *sink;

    sink = qemu_mallocz(sizeof(*sink));
    sink->dest = ERR_SINK_MONITOR;
    sink->mon = mon;
    sink->previous = qemu_error_sink;
    qemu_error_sink = sink;
}

void qemu_errors_to_previous(void)
{
    QemuErrorSink *sink;

    assert(qemu_error_sink != NULL);
    sink = qemu_error_sink;
    qemu_error_sink = sink->previous;
    qemu_free(sink);
}

void qemu_error(const char *fmt, ...)
{
    va_list args;

    assert(qemu_error_sink != NULL);
    switch (qemu_error_sink->dest) {
    case ERR_SINK_FILE:
        va_start(args, fmt);
        vfprintf(qemu_error_sink->fp, fmt, args);
        va_end(args);
        break;
    case ERR_SINK_MONITOR:
        va_start(args, fmt);
        monitor_vprintf(qemu_error_sink->mon, fmt, args);
        va_end(args);
        break;
    }
}
L
Luiz Capitulino 已提交
3839 3840 3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862

void qemu_error_internal(const char *file, int linenr, const char *func,
                         const char *fmt, ...)
{
    va_list va;
    QError *qerror;

    assert(qemu_error_sink != NULL);

    va_start(va, fmt);
    qerror = qerror_from_info(file, linenr, func, fmt, &va);
    va_end(va);

    switch (qemu_error_sink->dest) {
    case ERR_SINK_FILE:
        qerror_print(qerror);
        QDECREF(qerror);
        break;
    case ERR_SINK_MONITOR:
        assert(qemu_error_sink->mon->error == NULL);
        qemu_error_sink->mon->error = qerror;
        break;
    }
}