monitor.c 135.4 KB
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/*
 * QEMU monitor
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 *
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 * Copyright (c) 2003-2004 Fabrice Bellard
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
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#include <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"
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#include "net/slirp.h"
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#include "qemu-char.h"
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#include "ui/qemu-spice.h"
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#include "sysemu.h"
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#include "monitor.h"
#include "readline.h"
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#include "console.h"
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#include "blockdev.h"
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#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 "qfloat.h"
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#include "qlist.h"
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#include "qbool.h"
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#include "qstring.h"
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#include "qjson.h"
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#include "json-streamer.h"
#include "json-parser.h"
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#include "osdep.h"
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#include "cpu.h"
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#include "trace.h"
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#include "trace/control.h"
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#ifdef CONFIG_TRACE_SIMPLE
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#include "trace/simple.h"
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#endif
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#include "ui/qemu-spice.h"
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#include "memory.h"
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#include "qmp-commands.h"
#include "hmp.h"
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#include "qemu-thread.h"
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/* for pic/irq_info */
#if defined(TARGET_SPARC)
#include "hw/sun4m.h"
#endif
#include "hw/lm32_pic.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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 * 'O'          option string of the form NAME=VALUE,...
 *              parsed according to QemuOptsList given by its name
 *              Example: 'device:O' uses qemu_device_opts.
 *              Restriction: only lists with empty desc are supported
 *              TODO lift the restriction
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 * 'i'          32 bit integer
 * 'l'          target long (32 or 64 bit)
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 * 'M'          Non-negative target long (32 or 64 bit), in user mode the
 *              value is multiplied by 2^20 (think Mebibyte)
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 * 'o'          octets (aka bytes)
 *              user mode accepts an optional T, t, G, g, M, m, K, k
 *              suffix, which multiplies the value by 2^40 for
 *              suffixes T and t, 2^30 for suffixes G and g, 2^20 for
 *              M and m, 2^10 for K and k
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 * 'T'          double
 *              user mode accepts an optional ms, us, ns suffix,
 *              which divides the value by 1e3, 1e6, 1e9, respectively
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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')
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 * 'b'          boolean
 *              user mode accepts "on" or "off"
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 * '-'          optional parameter (eg. '-f')
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 *
 */

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typedef struct MonitorCompletionData MonitorCompletionData;
struct MonitorCompletionData {
    Monitor *mon;
    void (*user_print)(Monitor *mon, const QObject *data);
};

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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 (*cmd)(Monitor *mon, const QDict *qdict);
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        int  (*cmd_new)(Monitor *mon, const QDict *params, QObject **ret_data);
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        int  (*cmd_async)(Monitor *mon, const QDict *params,
                          MonitorCompletion *cb, void *opaque);
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    } mhandler;
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    int flags;
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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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/* file descriptor associated with a file descriptor set */
typedef struct MonFdsetFd MonFdsetFd;
struct MonFdsetFd {
    int fd;
    bool removed;
    char *opaque;
    QLIST_ENTRY(MonFdsetFd) next;
};

/* file descriptor set containing fds passed via SCM_RIGHTS */
typedef struct MonFdset MonFdset;
struct MonFdset {
    int64_t id;
    QLIST_HEAD(, MonFdsetFd) fds;
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    QLIST_HEAD(, MonFdsetFd) dup_fds;
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    QLIST_ENTRY(MonFdset) next;
};

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typedef struct MonitorControl {
    QObject *id;
    JSONMessageParser parser;
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    int command_mode;
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} MonitorControl;

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/*
 * To prevent flooding clients, events can be throttled. The
 * throttling is calculated globally, rather than per-Monitor
 * instance.
 */
typedef struct MonitorEventState {
    MonitorEvent event; /* Event being tracked */
    int64_t rate;       /* Period over which to throttle. 0 to disable */
    int64_t last;       /* Time at which event was last emitted */
    QEMUTimer *timer;   /* Timer for handling delayed events */
    QObject *data;      /* Event pending delayed dispatch */
} MonitorEventState;

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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;
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    MonitorControl *mc;
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    CPUArchState *mon_cpu;
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    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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/* QMP checker flags */
#define QMP_ACCEPT_UNKNOWNS 1

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static QLIST_HEAD(mon_list, Monitor) mon_list;
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static QLIST_HEAD(mon_fdsets, MonFdset) mon_fdsets;
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static int mon_refcount;
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static mon_cmd_t mon_cmds[];
static mon_cmd_t info_cmds[];
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static const mon_cmd_t qmp_cmds[];

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Monitor *cur_mon;
Monitor *default_mon;
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static void monitor_command_cb(Monitor *mon, const char *cmdline,
                               void *opaque);
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static inline int qmp_cmd_mode(const Monitor *mon)
{
    return (mon->mc ? mon->mc->command_mode : 0);
}

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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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/* Return non-zero iff we have a current monitor, and it is in QMP mode.  */
int monitor_cur_is_qmp(void)
{
    return cur_mon && monitor_ctrl_mode(cur_mon);
}

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void monitor_read_command(Monitor *mon, int show_prompt)
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{
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    if (!mon->rs)
        return;

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    readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
    if (show_prompt)
        readline_show_prompt(mon->rs);
}
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int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
                          void *opaque)
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{
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    if (monitor_ctrl_mode(mon)) {
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        qerror_report(QERR_MISSING_PARAMETER, "password");
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        return -EINVAL;
    } else if (mon->rs) {
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        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_fe_write(mon->chr, mon->outbuf, mon->outbuf_index);
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        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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    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];

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    if (!mon)
        return;

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    if (monitor_ctrl_mode(mon)) {
        return;
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    }
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    vsnprintf(buf, sizeof(buf), fmt, ap);
    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 GCC_FMT_ATTR(2, 3) monitor_fprintf(FILE *stream,
                                              const char *fmt, ...)
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{
    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 handler_is_qobject(const mon_cmd_t *cmd)
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{
    return cmd->user_print != NULL;
}

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static inline bool handler_is_async(const mon_cmd_t *cmd)
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{
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    return cmd->flags & MONITOR_CMD_ASYNC;
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}

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

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

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    json = mon->flags & MONITOR_USE_PRETTY ? qobject_to_json_pretty(data) :
                                             qobject_to_json(data);
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    assert(json != NULL);

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    qstring_append_chr(json, '\n');
    monitor_puts(mon, qstring_get_str(json));
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    QDECREF(json);
}

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static QDict *build_qmp_error_dict(const QError *err)
{
    QObject *obj;

    obj = qobject_from_jsonf("{ 'error': { 'class': %s, 'desc': %p } }",
                             ErrorClass_lookup[err->err_class],
                             qerror_human(err));

    return qobject_to_qdict(obj);
}

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

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    trace_monitor_protocol_emitter(mon);

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    if (!monitor_has_error(mon)) {
        /* success response */
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        qmp = qdict_new();
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        if (data) {
            qobject_incref(data);
            qdict_put_obj(qmp, "return", data);
        } else {
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            /* return an empty QDict by default */
            qdict_put(qmp, "return", qdict_new());
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        }
    } else {
        /* error response */
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        qmp = build_qmp_error_dict(mon->error);
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        QDECREF(mon->error);
        mon->error = NULL;
    }

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    if (mon->mc->id) {
        qdict_put_obj(qmp, "id", mon->mc->id);
        mon->mc->id = NULL;
    }

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

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static void timestamp_put(QDict *qdict)
{
    int err;
    QObject *obj;
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    qemu_timeval tv;
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    err = qemu_gettimeofday(&tv);
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    if (err < 0)
        return;

    obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
                                "'microseconds': %" PRId64 " }",
                                (int64_t) tv.tv_sec, (int64_t) tv.tv_usec);
    qdict_put_obj(qdict, "timestamp", obj);
}

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static const char *monitor_event_names[] = {
    [QEVENT_SHUTDOWN] = "SHUTDOWN",
    [QEVENT_RESET] = "RESET",
    [QEVENT_POWERDOWN] = "POWERDOWN",
    [QEVENT_STOP] = "STOP",
    [QEVENT_RESUME] = "RESUME",
    [QEVENT_VNC_CONNECTED] = "VNC_CONNECTED",
    [QEVENT_VNC_INITIALIZED] = "VNC_INITIALIZED",
    [QEVENT_VNC_DISCONNECTED] = "VNC_DISCONNECTED",
    [QEVENT_BLOCK_IO_ERROR] = "BLOCK_IO_ERROR",
    [QEVENT_RTC_CHANGE] = "RTC_CHANGE",
    [QEVENT_WATCHDOG] = "WATCHDOG",
    [QEVENT_SPICE_CONNECTED] = "SPICE_CONNECTED",
    [QEVENT_SPICE_INITIALIZED] = "SPICE_INITIALIZED",
    [QEVENT_SPICE_DISCONNECTED] = "SPICE_DISCONNECTED",
    [QEVENT_BLOCK_JOB_COMPLETED] = "BLOCK_JOB_COMPLETED",
    [QEVENT_BLOCK_JOB_CANCELLED] = "BLOCK_JOB_CANCELLED",
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    [QEVENT_BLOCK_JOB_ERROR] = "BLOCK_JOB_ERROR",
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    [QEVENT_DEVICE_TRAY_MOVED] = "DEVICE_TRAY_MOVED",
    [QEVENT_SUSPEND] = "SUSPEND",
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    [QEVENT_SUSPEND_DISK] = "SUSPEND_DISK",
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    [QEVENT_WAKEUP] = "WAKEUP",
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    [QEVENT_BALLOON_CHANGE] = "BALLOON_CHANGE",
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    [QEVENT_SPICE_MIGRATE_COMPLETED] = "SPICE_MIGRATE_COMPLETED",
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};
QEMU_BUILD_BUG_ON(ARRAY_SIZE(monitor_event_names) != QEVENT_MAX)

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MonitorEventState monitor_event_state[QEVENT_MAX];
QemuMutex monitor_event_state_lock;

/*
 * Emits the event to every monitor instance
 */
static void
monitor_protocol_event_emit(MonitorEvent event,
                            QObject *data)
{
    Monitor *mon;

    trace_monitor_protocol_event_emit(event, data);
    QLIST_FOREACH(mon, &mon_list, entry) {
        if (monitor_ctrl_mode(mon) && qmp_cmd_mode(mon)) {
            monitor_json_emitter(mon, data);
        }
    }
}


/*
 * Queue a new event for emission to Monitor instances,
 * applying any rate limiting if required.
 */
static void
monitor_protocol_event_queue(MonitorEvent event,
                             QObject *data)
{
    MonitorEventState *evstate;
    int64_t now = qemu_get_clock_ns(rt_clock);
    assert(event < QEVENT_MAX);

    qemu_mutex_lock(&monitor_event_state_lock);
    evstate = &(monitor_event_state[event]);
    trace_monitor_protocol_event_queue(event,
                                       data,
                                       evstate->rate,
                                       evstate->last,
                                       now);

    /* Rate limit of 0 indicates no throttling */
    if (!evstate->rate) {
        monitor_protocol_event_emit(event, data);
        evstate->last = now;
    } else {
        int64_t delta = now - evstate->last;
        if (evstate->data ||
            delta < evstate->rate) {
            /* If there's an existing event pending, replace
             * it with the new event, otherwise schedule a
             * timer for delayed emission
             */
            if (evstate->data) {
                qobject_decref(evstate->data);
            } else {
                int64_t then = evstate->last + evstate->rate;
                qemu_mod_timer_ns(evstate->timer, then);
            }
            evstate->data = data;
            qobject_incref(evstate->data);
        } else {
            monitor_protocol_event_emit(event, data);
            evstate->last = now;
        }
    }
    qemu_mutex_unlock(&monitor_event_state_lock);
}


/*
 * The callback invoked by QemuTimer when a delayed
 * event is ready to be emitted
 */
static void monitor_protocol_event_handler(void *opaque)
{
    MonitorEventState *evstate = opaque;
    int64_t now = qemu_get_clock_ns(rt_clock);

    qemu_mutex_lock(&monitor_event_state_lock);

    trace_monitor_protocol_event_handler(evstate->event,
                                         evstate->data,
                                         evstate->last,
                                         now);
    if (evstate->data) {
        monitor_protocol_event_emit(evstate->event, evstate->data);
        qobject_decref(evstate->data);
        evstate->data = NULL;
    }
    evstate->last = now;
    qemu_mutex_unlock(&monitor_event_state_lock);
}


/*
 * @event: the event ID to be limited
 * @rate: the rate limit in milliseconds
 *
 * Sets a rate limit on a particular event, so no
 * more than 1 event will be emitted within @rate
 * milliseconds
 */
static void
monitor_protocol_event_throttle(MonitorEvent event,
                                int64_t rate)
{
    MonitorEventState *evstate;
    assert(event < QEVENT_MAX);

    evstate = &(monitor_event_state[event]);

    trace_monitor_protocol_event_throttle(event, rate);
    evstate->event = event;
    evstate->rate = rate * SCALE_MS;
    evstate->timer = qemu_new_timer(rt_clock,
                                    SCALE_MS,
                                    monitor_protocol_event_handler,
                                    evstate);
    evstate->last = 0;
    evstate->data = NULL;
}


/* Global, one-time initializer to configure the rate limiting
 * and initialize state */
static void monitor_protocol_event_init(void)
{
    qemu_mutex_init(&monitor_event_state_lock);
    /* Limit RTC & BALLOON events to 1 per second */
    monitor_protocol_event_throttle(QEVENT_RTC_CHANGE, 1000);
    monitor_protocol_event_throttle(QEVENT_BALLOON_CHANGE, 1000);
    monitor_protocol_event_throttle(QEVENT_WATCHDOG, 1000);
}

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/**
 * monitor_protocol_event(): Generate a Monitor event
 *
 * Event-specific data can be emitted through the (optional) 'data' parameter.
 */
void monitor_protocol_event(MonitorEvent event, QObject *data)
{
    QDict *qmp;
    const char *event_name;

608
    assert(event < QEVENT_MAX);
609

610 611
    event_name = monitor_event_names[event];
    assert(event_name != NULL);
612 613 614 615

    qmp = qdict_new();
    timestamp_put(qmp);
    qdict_put(qmp, "event", qstring_from_str(event_name));
616 617
    if (data) {
        qobject_incref(data);
618
        qdict_put_obj(qmp, "data", data);
619
    }
620

621 622
    trace_monitor_protocol_event(event, event_name, qmp);
    monitor_protocol_event_queue(event, QOBJECT(qmp));
623 624 625
    QDECREF(qmp);
}

626 627
static int do_qmp_capabilities(Monitor *mon, const QDict *params,
                               QObject **ret_data)
628 629 630 631 632
{
    /* Will setup QMP capabilities in the future */
    if (monitor_ctrl_mode(mon)) {
        mon->mc->command_mode = 1;
    }
633 634

    return 0;
635 636
}

637 638
static void handle_user_command(Monitor *mon, const char *cmdline);

639 640
char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index,
                                int64_t cpu_index, Error **errp)
641
{
642
    char *output = NULL;
643 644 645 646 647 648 649 650 651 652
    Monitor *old_mon, hmp;
    CharDriverState mchar;

    memset(&hmp, 0, sizeof(hmp));
    qemu_chr_init_mem(&mchar);
    hmp.chr = &mchar;

    old_mon = cur_mon;
    cur_mon = &hmp;

653 654
    if (has_cpu_index) {
        int ret = monitor_set_cpu(cpu_index);
655 656
        if (ret < 0) {
            cur_mon = old_mon;
657 658
            error_set(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index",
                      "a CPU number");
659 660 661 662
            goto out;
        }
    }

663
    handle_user_command(&hmp, command_line);
664 665 666
    cur_mon = old_mon;

    if (qemu_chr_mem_osize(hmp.chr) > 0) {
667 668 669 670 671
        QString *str = qemu_chr_mem_to_qs(hmp.chr);
        output = g_strdup(qstring_get_str(str));
        QDECREF(str);
    } else {
        output = g_strdup("");
672 673 674 675
    }

out:
    qemu_chr_close_mem(hmp.chr);
676
    return output;
677 678
}

B
bellard 已提交
679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698
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;
}

A
Anthony Liguori 已提交
699
static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
A
aliguori 已提交
700
                          const char *prefix, const char *name)
B
bellard 已提交
701
{
A
Anthony Liguori 已提交
702
    const mon_cmd_t *cmd;
B
bellard 已提交
703 704 705

    for(cmd = cmds; cmd->name != NULL; cmd++) {
        if (!name || !strcmp(name, cmd->name))
A
aliguori 已提交
706 707
            monitor_printf(mon, "%s%s %s -- %s\n", prefix, cmd->name,
                           cmd->params, cmd->help);
B
bellard 已提交
708 709 710
    }
}

A
aliguori 已提交
711
static void help_cmd(Monitor *mon, const char *name)
B
bellard 已提交
712 713
{
    if (name && !strcmp(name, "info")) {
A
aliguori 已提交
714
        help_cmd_dump(mon, info_cmds, "info ", NULL);
B
bellard 已提交
715
    } else {
A
aliguori 已提交
716
        help_cmd_dump(mon, mon_cmds, "", name);
717
        if (name && !strcmp(name, "log")) {
B
blueswir1 已提交
718
            const CPULogItem *item;
A
aliguori 已提交
719 720
            monitor_printf(mon, "Log items (comma separated):\n");
            monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
721
            for(item = cpu_log_items; item->mask != 0; item++) {
A
aliguori 已提交
722
                monitor_printf(mon, "%-10s %s\n", item->name, item->help);
723 724
            }
        }
B
bellard 已提交
725 726 727
    }
}

728
static void do_help_cmd(Monitor *mon, const QDict *qdict)
729
{
730
    help_cmd(mon, qdict_get_try_str(qdict, "name"));
731 732
}

733
static void do_trace_event_set_state(Monitor *mon, const QDict *qdict)
734 735 736
{
    const char *tp_name = qdict_get_str(qdict, "name");
    bool new_state = qdict_get_bool(qdict, "option");
737
    int ret = trace_event_set_state(tp_name, new_state);
738 739 740 741

    if (!ret) {
        monitor_printf(mon, "unknown event name \"%s\"\n", tp_name);
    }
742
}
743

M
Michael Roth 已提交
744
#ifdef CONFIG_TRACE_SIMPLE
745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766
static void do_trace_file(Monitor *mon, const QDict *qdict)
{
    const char *op = qdict_get_try_str(qdict, "op");
    const char *arg = qdict_get_try_str(qdict, "arg");

    if (!op) {
        st_print_trace_file_status((FILE *)mon, &monitor_fprintf);
    } else if (!strcmp(op, "on")) {
        st_set_trace_file_enabled(true);
    } else if (!strcmp(op, "off")) {
        st_set_trace_file_enabled(false);
    } else if (!strcmp(op, "flush")) {
        st_flush_trace_buffer();
    } else if (!strcmp(op, "set")) {
        if (arg) {
            st_set_trace_file(arg);
        }
    } else {
        monitor_printf(mon, "unexpected argument \"%s\"\n", op);
        help_cmd(mon, "trace-file");
    }
}
767 768
#endif

769 770 771 772 773 774 775 776
static void user_monitor_complete(void *opaque, QObject *ret_data)
{
    MonitorCompletionData *data = (MonitorCompletionData *)opaque; 

    if (ret_data) {
        data->user_print(data->mon, ret_data);
    }
    monitor_resume(data->mon);
777
    g_free(data);
778 779 780 781 782 783 784
}

static void qmp_monitor_complete(void *opaque, QObject *ret_data)
{
    monitor_protocol_emitter(opaque, ret_data);
}

785 786
static int qmp_async_cmd_handler(Monitor *mon, const mon_cmd_t *cmd,
                                 const QDict *params)
787
{
788
    return cmd->mhandler.cmd_async(mon, params, qmp_monitor_complete, mon);
789 790 791 792 793 794 795
}

static void user_async_cmd_handler(Monitor *mon, const mon_cmd_t *cmd,
                                   const QDict *params)
{
    int ret;

796
    MonitorCompletionData *cb_data = g_malloc(sizeof(*cb_data));
797 798 799 800 801 802 803
    cb_data->mon = mon;
    cb_data->user_print = cmd->user_print;
    monitor_suspend(mon);
    ret = cmd->mhandler.cmd_async(mon, params,
                                  user_monitor_complete, cb_data);
    if (ret < 0) {
        monitor_resume(mon);
804
        g_free(cb_data);
805 806 807
    }
}

808
static void do_info(Monitor *mon, const QDict *qdict)
B
bellard 已提交
809
{
A
Anthony Liguori 已提交
810
    const mon_cmd_t *cmd;
811
    const char *item = qdict_get_try_str(qdict, "item");
B
bellard 已提交
812

L
Luiz Capitulino 已提交
813
    if (!item) {
B
bellard 已提交
814
        goto help;
L
Luiz Capitulino 已提交
815
    }
816 817

    for (cmd = info_cmds; cmd->name != NULL; cmd++) {
818
        if (compare_cmd(item, cmd->name))
819
            break;
B
bellard 已提交
820
    }
821

L
Luiz Capitulino 已提交
822
    if (cmd->name == NULL) {
823
        goto help;
L
Luiz Capitulino 已提交
824
    }
825

826
    cmd->mhandler.info(mon);
827
    return;
828 829 830

help:
    help_cmd(mon, "info");
B
bellard 已提交
831 832
}

L
Luiz Capitulino 已提交
833
CommandInfoList *qmp_query_commands(Error **errp)
834
{
L
Luiz Capitulino 已提交
835
    CommandInfoList *info, *cmd_list = NULL;
836 837
    const mon_cmd_t *cmd;

838
    for (cmd = qmp_cmds; cmd->name != NULL; cmd++) {
839 840 841
        info = g_malloc0(sizeof(*info));
        info->value = g_malloc0(sizeof(*info->value));
        info->value->name = g_strdup(cmd->name);
842

L
Luiz Capitulino 已提交
843 844
        info->next = cmd_list;
        cmd_list = info;
845 846
    }

L
Luiz Capitulino 已提交
847
    return cmd_list;
848 849
}

850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868
EventInfoList *qmp_query_events(Error **errp)
{
    EventInfoList *info, *ev_list = NULL;
    MonitorEvent e;

    for (e = 0 ; e < QEVENT_MAX ; e++) {
        const char *event_name = monitor_event_names[e];
        assert(event_name != NULL);
        info = g_malloc0(sizeof(*info));
        info->value = g_malloc0(sizeof(*info->value));
        info->value->name = g_strdup(event_name);

        info->next = ev_list;
        ev_list = info;
    }

    return ev_list;
}

869 870
/* set the current CPU defined by the user */
int monitor_set_cpu(int cpu_index)
B
bellard 已提交
871
{
872
    CPUArchState *env;
B
bellard 已提交
873 874 875

    for(env = first_cpu; env != NULL; env = env->next_cpu) {
        if (env->cpu_index == cpu_index) {
876
            cur_mon->mon_cpu = env;
B
bellard 已提交
877 878 879 880 881 882
            return 0;
        }
    }
    return -1;
}

883
static CPUArchState *mon_get_cpu(void)
B
bellard 已提交
884
{
885
    if (!cur_mon->mon_cpu) {
886
        monitor_set_cpu(0);
B
bellard 已提交
887
    }
888
    cpu_synchronize_state(cur_mon->mon_cpu);
889
    return cur_mon->mon_cpu;
B
bellard 已提交
890 891
}

892 893 894 895 896
int monitor_get_cpu_index(void)
{
    return mon_get_cpu()->cpu_index;
}

A
aliguori 已提交
897
static void do_info_registers(Monitor *mon)
898
{
899
    CPUArchState *env;
B
bellard 已提交
900
    env = mon_get_cpu();
901
    cpu_dump_state(env, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
902 903
}

A
aliguori 已提交
904
static void do_info_jit(Monitor *mon)
B
bellard 已提交
905
{
A
aliguori 已提交
906
    dump_exec_info((FILE *)mon, monitor_fprintf);
B
bellard 已提交
907 908
}

A
aliguori 已提交
909
static void do_info_history(Monitor *mon)
B
bellard 已提交
910 911
{
    int i;
912
    const char *str;
913

914 915
    if (!mon->rs)
        return;
916 917
    i = 0;
    for(;;) {
918
        str = readline_get_history(mon->rs, i);
919 920
        if (!str)
            break;
A
aliguori 已提交
921
        monitor_printf(mon, "%d: '%s'\n", i, str);
B
bellard 已提交
922
        i++;
B
bellard 已提交
923 924 925
    }
}

926 927
#if defined(TARGET_PPC)
/* XXX: not implemented in other targets */
A
aliguori 已提交
928
static void do_info_cpu_stats(Monitor *mon)
929
{
930
    CPUArchState *env;
931 932

    env = mon_get_cpu();
A
aliguori 已提交
933
    cpu_dump_statistics(env, (FILE *)mon, &monitor_fprintf, 0);
934 935 936
}
#endif

937
static void do_trace_print_events(Monitor *mon)
938
{
939
    trace_print_events((FILE *)mon, &monitor_fprintf);
940 941
}

942 943
static int client_migrate_info(Monitor *mon, const QDict *qdict,
                               MonitorCompletion cb, void *opaque)
G
Gerd Hoffmann 已提交
944 945 946 947 948 949 950 951 952 953 954 955 956 957
{
    const char *protocol = qdict_get_str(qdict, "protocol");
    const char *hostname = qdict_get_str(qdict, "hostname");
    const char *subject  = qdict_get_try_str(qdict, "cert-subject");
    int port             = qdict_get_try_int(qdict, "port", -1);
    int tls_port         = qdict_get_try_int(qdict, "tls-port", -1);
    int ret;

    if (strcmp(protocol, "spice") == 0) {
        if (!using_spice) {
            qerror_report(QERR_DEVICE_NOT_ACTIVE, "spice");
            return -1;
        }

958 959 960 961 962
        if (port == -1 && tls_port == -1) {
            qerror_report(QERR_MISSING_PARAMETER, "port/tls-port");
            return -1;
        }

963 964
        ret = qemu_spice_migrate_info(hostname, port, tls_port, subject,
                                      cb, opaque);
G
Gerd Hoffmann 已提交
965 966 967 968 969 970 971 972 973 974 975
        if (ret != 0) {
            qerror_report(QERR_UNDEFINED_ERROR);
            return -1;
        }
        return 0;
    }

    qerror_report(QERR_INVALID_PARAMETER, "protocol");
    return -1;
}

976
static void do_logfile(Monitor *mon, const QDict *qdict)
P
pbrook 已提交
977
{
978
    cpu_set_log_filename(qdict_get_str(qdict, "filename"));
P
pbrook 已提交
979 980
}

981
static void do_log(Monitor *mon, const QDict *qdict)
982 983
{
    int mask;
984
    const char *items = qdict_get_str(qdict, "items");
985

986
    if (!strcmp(items, "none")) {
987 988
        mask = 0;
    } else {
989
        mask = cpu_str_to_log_mask(items);
990
        if (!mask) {
A
aliguori 已提交
991
            help_cmd(mon, "log");
992 993 994 995 996 997
            return;
        }
    }
    cpu_set_log(mask);
}

998
static void do_singlestep(Monitor *mon, const QDict *qdict)
999
{
1000
    const char *option = qdict_get_try_str(qdict, "option");
1001 1002 1003 1004 1005 1006 1007 1008 1009
    if (!option || !strcmp(option, "on")) {
        singlestep = 1;
    } else if (!strcmp(option, "off")) {
        singlestep = 0;
    } else {
        monitor_printf(mon, "unexpected option %s\n", option);
    }
}

1010
static void do_gdbserver(Monitor *mon, const QDict *qdict)
1011
{
1012
    const char *device = qdict_get_try_str(qdict, "device");
1013 1014 1015 1016 1017 1018
    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) {
1019
        monitor_printf(mon, "Disabled gdbserver\n");
1020
    } else {
1021 1022
        monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
                       device);
1023 1024 1025
    }
}

1026
static void do_watchdog_action(Monitor *mon, const QDict *qdict)
R
Richard W.M. Jones 已提交
1027
{
1028
    const char *action = qdict_get_str(qdict, "action");
R
Richard W.M. Jones 已提交
1029 1030 1031 1032 1033
    if (select_watchdog_action(action) == -1) {
        monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
    }
}

A
aliguori 已提交
1034
static void monitor_printc(Monitor *mon, int c)
1035
{
A
aliguori 已提交
1036
    monitor_printf(mon, "'");
1037 1038
    switch(c) {
    case '\'':
A
aliguori 已提交
1039
        monitor_printf(mon, "\\'");
1040 1041
        break;
    case '\\':
A
aliguori 已提交
1042
        monitor_printf(mon, "\\\\");
1043 1044
        break;
    case '\n':
A
aliguori 已提交
1045
        monitor_printf(mon, "\\n");
1046 1047
        break;
    case '\r':
A
aliguori 已提交
1048
        monitor_printf(mon, "\\r");
1049 1050 1051
        break;
    default:
        if (c >= 32 && c <= 126) {
A
aliguori 已提交
1052
            monitor_printf(mon, "%c", c);
1053
        } else {
A
aliguori 已提交
1054
            monitor_printf(mon, "\\x%02x", c);
1055 1056 1057
        }
        break;
    }
A
aliguori 已提交
1058
    monitor_printf(mon, "'");
1059 1060
}

A
aliguori 已提交
1061
static void memory_dump(Monitor *mon, int count, int format, int wsize,
A
Avi Kivity 已提交
1062
                        hwaddr addr, int is_physical)
1063
{
1064
    CPUArchState *env;
1065
    int l, line_size, i, max_digits, len;
1066 1067 1068 1069 1070 1071
    uint8_t buf[16];
    uint64_t v;

    if (format == 'i') {
        int flags;
        flags = 0;
B
bellard 已提交
1072
        env = mon_get_cpu();
1073
#ifdef TARGET_I386
1074
        if (wsize == 2) {
1075
            flags = 1;
1076 1077 1078
        } else if (wsize == 4) {
            flags = 0;
        } else {
B
bellard 已提交
1079
            /* as default we use the current CS size */
1080
            flags = 0;
B
bellard 已提交
1081 1082
            if (env) {
#ifdef TARGET_X86_64
1083
                if ((env->efer & MSR_EFER_LMA) &&
B
bellard 已提交
1084 1085 1086 1087 1088 1089 1090
                    (env->segs[R_CS].flags & DESC_L_MASK))
                    flags = 2;
                else
#endif
                if (!(env->segs[R_CS].flags & DESC_B_MASK))
                    flags = 1;
            }
1091 1092
        }
#endif
A
aliguori 已提交
1093
        monitor_disas(mon, env, addr, count, is_physical, flags);
1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121
        return;
    }

    len = wsize * count;
    if (wsize == 1)
        line_size = 8;
    else
        line_size = 16;
    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) {
1122
        if (is_physical)
A
aliguori 已提交
1123
            monitor_printf(mon, TARGET_FMT_plx ":", addr);
1124
        else
A
aliguori 已提交
1125
            monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1126 1127 1128 1129
        l = len;
        if (l > line_size)
            l = line_size;
        if (is_physical) {
1130
            cpu_physical_memory_read(addr, buf, l);
1131
        } else {
B
bellard 已提交
1132
            env = mon_get_cpu();
1133
            if (cpu_memory_rw_debug(env, addr, buf, l, 0) < 0) {
A
aliguori 已提交
1134
                monitor_printf(mon, " Cannot access memory\n");
1135 1136
                break;
            }
1137
        }
1138
        i = 0;
1139 1140 1141 1142 1143 1144 1145 1146 1147 1148
        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
1149
                v = (uint32_t)ldl_raw(buf + i);
1150 1151 1152 1153 1154
                break;
            case 8:
                v = ldq_raw(buf + i);
                break;
            }
A
aliguori 已提交
1155
            monitor_printf(mon, " ");
1156 1157
            switch(format) {
            case 'o':
A
aliguori 已提交
1158
                monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1159 1160
                break;
            case 'x':
A
aliguori 已提交
1161
                monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1162 1163
                break;
            case 'u':
A
aliguori 已提交
1164
                monitor_printf(mon, "%*" PRIu64, max_digits, v);
1165 1166
                break;
            case 'd':
A
aliguori 已提交
1167
                monitor_printf(mon, "%*" PRId64, max_digits, v);
1168 1169
                break;
            case 'c':
A
aliguori 已提交
1170
                monitor_printc(mon, v);
1171 1172 1173 1174
                break;
            }
            i += wsize;
        }
A
aliguori 已提交
1175
        monitor_printf(mon, "\n");
1176 1177 1178 1179 1180
        addr += l;
        len -= l;
    }
}

1181
static void do_memory_dump(Monitor *mon, const QDict *qdict)
1182
{
1183 1184 1185 1186 1187
    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
1188
    memory_dump(mon, count, format, size, addr, 0);
1189 1190
}

1191
static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1192
{
1193 1194 1195
    int count = qdict_get_int(qdict, "count");
    int format = qdict_get_int(qdict, "format");
    int size = qdict_get_int(qdict, "size");
A
Avi Kivity 已提交
1196
    hwaddr addr = qdict_get_int(qdict, "addr");
1197

A
aliguori 已提交
1198
    memory_dump(mon, count, format, size, addr, 1);
1199 1200
}

1201
static void do_print(Monitor *mon, const QDict *qdict)
1202
{
1203
    int format = qdict_get_int(qdict, "format");
A
Avi Kivity 已提交
1204
    hwaddr val = qdict_get_int(qdict, "val");
1205

1206 1207
    switch(format) {
    case 'o':
A
Avi Kivity 已提交
1208
        monitor_printf(mon, "%#" HWADDR_PRIo, val);
1209 1210
        break;
    case 'x':
A
Avi Kivity 已提交
1211
        monitor_printf(mon, "%#" HWADDR_PRIx, val);
1212 1213
        break;
    case 'u':
A
Avi Kivity 已提交
1214
        monitor_printf(mon, "%" HWADDR_PRIu, val);
1215 1216 1217
        break;
    default:
    case 'd':
A
Avi Kivity 已提交
1218
        monitor_printf(mon, "%" HWADDR_PRId, val);
1219 1220
        break;
    case 'c':
A
aliguori 已提交
1221
        monitor_printc(mon, val);
1222 1223
        break;
    }
A
aliguori 已提交
1224
    monitor_printf(mon, "\n");
1225 1226
}

1227
static void do_sum(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1228 1229 1230
{
    uint32_t addr;
    uint16_t sum;
1231 1232
    uint32_t start = qdict_get_int(qdict, "start");
    uint32_t size = qdict_get_int(qdict, "size");
B
bellard 已提交
1233 1234 1235

    sum = 0;
    for(addr = start; addr < (start + size); addr++) {
1236
        uint8_t val = ldub_phys(addr);
B
bellard 已提交
1237 1238
        /* BSD sum algorithm ('sum' Unix command) */
        sum = (sum >> 1) | (sum << 15);
1239
        sum += val;
B
bellard 已提交
1240
    }
A
aliguori 已提交
1241
    monitor_printf(mon, "%05d\n", sum);
B
bellard 已提交
1242 1243
}

B
bellard 已提交
1244 1245
static int mouse_button_state;

1246
static void do_mouse_move(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1247 1248
{
    int dx, dy, dz;
1249 1250 1251
    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
1252 1253 1254
    dx = strtol(dx_str, NULL, 0);
    dy = strtol(dy_str, NULL, 0);
    dz = 0;
1255
    if (dz_str)
B
bellard 已提交
1256 1257 1258 1259
        dz = strtol(dz_str, NULL, 0);
    kbd_mouse_event(dx, dy, dz, mouse_button_state);
}

1260
static void do_mouse_button(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1261
{
1262
    int button_state = qdict_get_int(qdict, "button_state");
B
bellard 已提交
1263 1264 1265 1266
    mouse_button_state = button_state;
    kbd_mouse_event(0, 0, 0, mouse_button_state);
}

1267
static void do_ioport_read(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1268
{
1269 1270 1271
    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
1272 1273 1274 1275
    uint32_t val;
    int suffix;

    if (has_index) {
1276
        int index = qdict_get_int(qdict, "index");
1277
        cpu_outb(addr & IOPORTS_MASK, index & 0xff);
B
bellard 已提交
1278 1279 1280 1281 1282 1283 1284
        addr++;
    }
    addr &= 0xffff;

    switch(size) {
    default:
    case 1:
1285
        val = cpu_inb(addr);
B
bellard 已提交
1286 1287 1288
        suffix = 'b';
        break;
    case 2:
1289
        val = cpu_inw(addr);
B
bellard 已提交
1290 1291 1292
        suffix = 'w';
        break;
    case 4:
1293
        val = cpu_inl(addr);
B
bellard 已提交
1294 1295 1296
        suffix = 'l';
        break;
    }
A
aliguori 已提交
1297 1298
    monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
                   suffix, addr, size * 2, val);
B
bellard 已提交
1299
}
B
bellard 已提交
1300

1301
static void do_ioport_write(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
1302
{
1303 1304 1305 1306
    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
1307 1308 1309 1310 1311
    addr &= IOPORTS_MASK;

    switch (size) {
    default:
    case 1:
1312
        cpu_outb(addr, val);
J
Jan Kiszka 已提交
1313 1314
        break;
    case 2:
1315
        cpu_outw(addr, val);
J
Jan Kiszka 已提交
1316 1317
        break;
    case 4:
1318
        cpu_outl(addr, val);
J
Jan Kiszka 已提交
1319 1320 1321 1322
        break;
    }
}

1323
static void do_boot_set(Monitor *mon, const QDict *qdict)
1324 1325
{
    int res;
1326
    const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1327

J
Jan Kiszka 已提交
1328 1329 1330 1331 1332
    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");
1333
    } else {
A
aliguori 已提交
1334 1335
        monitor_printf(mon, "no function defined to set boot device list for "
                       "this architecture\n");
1336 1337 1338
    }
}

B
bellard 已提交
1339
#if defined(TARGET_I386)
A
Avi Kivity 已提交
1340 1341 1342
static void print_pte(Monitor *mon, hwaddr addr,
                      hwaddr pte,
                      hwaddr mask)
B
bellard 已提交
1343
{
1344 1345 1346 1347 1348 1349 1350
#ifdef TARGET_X86_64
    if (addr & (1ULL << 47)) {
        addr |= -1LL << 48;
    }
#endif
    monitor_printf(mon, TARGET_FMT_plx ": " TARGET_FMT_plx
                   " %c%c%c%c%c%c%c%c%c\n",
A
aliguori 已提交
1351 1352
                   addr,
                   pte & mask,
1353
                   pte & PG_NX_MASK ? 'X' : '-',
A
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1354 1355 1356 1357 1358 1359 1360 1361
                   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
1362 1363
}

1364
static void tlb_info_32(Monitor *mon, CPUArchState *env)
B
bellard 已提交
1365
{
1366
    unsigned int l1, l2;
B
bellard 已提交
1367 1368 1369 1370
    uint32_t pgd, pde, pte;

    pgd = env->cr[3] & ~0xfff;
    for(l1 = 0; l1 < 1024; l1++) {
1371
        cpu_physical_memory_read(pgd + l1 * 4, &pde, 4);
B
bellard 已提交
1372 1373 1374
        pde = le32_to_cpu(pde);
        if (pde & PG_PRESENT_MASK) {
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1375 1376
                /* 4M pages */
                print_pte(mon, (l1 << 22), pde, ~((1 << 21) - 1));
B
bellard 已提交
1377 1378
            } else {
                for(l2 = 0; l2 < 1024; l2++) {
1379
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, &pte, 4);
B
bellard 已提交
1380 1381
                    pte = le32_to_cpu(pte);
                    if (pte & PG_PRESENT_MASK) {
A
aliguori 已提交
1382
                        print_pte(mon, (l1 << 22) + (l2 << 12),
1383
                                  pte & ~PG_PSE_MASK,
B
bellard 已提交
1384 1385 1386 1387 1388 1389 1390 1391
                                  ~0xfff);
                    }
                }
            }
        }
    }
}

1392
static void tlb_info_pae32(Monitor *mon, CPUArchState *env)
1393
{
1394
    unsigned int l1, l2, l3;
1395 1396 1397 1398 1399
    uint64_t pdpe, pde, pte;
    uint64_t pdp_addr, pd_addr, pt_addr;

    pdp_addr = env->cr[3] & ~0x1f;
    for (l1 = 0; l1 < 4; l1++) {
1400
        cpu_physical_memory_read(pdp_addr + l1 * 8, &pdpe, 8);
1401 1402 1403 1404
        pdpe = le64_to_cpu(pdpe);
        if (pdpe & PG_PRESENT_MASK) {
            pd_addr = pdpe & 0x3fffffffff000ULL;
            for (l2 = 0; l2 < 512; l2++) {
1405
                cpu_physical_memory_read(pd_addr + l2 * 8, &pde, 8);
1406 1407 1408 1409 1410
                pde = le64_to_cpu(pde);
                if (pde & PG_PRESENT_MASK) {
                    if (pde & PG_PSE_MASK) {
                        /* 2M pages with PAE, CR4.PSE is ignored */
                        print_pte(mon, (l1 << 30 ) + (l2 << 21), pde,
A
Avi Kivity 已提交
1411
                                  ~((hwaddr)(1 << 20) - 1));
1412 1413 1414
                    } else {
                        pt_addr = pde & 0x3fffffffff000ULL;
                        for (l3 = 0; l3 < 512; l3++) {
1415
                            cpu_physical_memory_read(pt_addr + l3 * 8, &pte, 8);
1416 1417 1418 1419 1420
                            pte = le64_to_cpu(pte);
                            if (pte & PG_PRESENT_MASK) {
                                print_pte(mon, (l1 << 30 ) + (l2 << 21)
                                          + (l3 << 12),
                                          pte & ~PG_PSE_MASK,
A
Avi Kivity 已提交
1421
                                          ~(hwaddr)0xfff);
1422 1423 1424 1425 1426 1427 1428 1429 1430 1431
                            }
                        }
                    }
                }
            }
        }
    }
}

#ifdef TARGET_X86_64
1432
static void tlb_info_64(Monitor *mon, CPUArchState *env)
1433 1434 1435 1436 1437 1438 1439
{
    uint64_t l1, l2, l3, l4;
    uint64_t pml4e, pdpe, pde, pte;
    uint64_t pml4_addr, pdp_addr, pd_addr, pt_addr;

    pml4_addr = env->cr[3] & 0x3fffffffff000ULL;
    for (l1 = 0; l1 < 512; l1++) {
1440
        cpu_physical_memory_read(pml4_addr + l1 * 8, &pml4e, 8);
1441 1442 1443 1444
        pml4e = le64_to_cpu(pml4e);
        if (pml4e & PG_PRESENT_MASK) {
            pdp_addr = pml4e & 0x3fffffffff000ULL;
            for (l2 = 0; l2 < 512; l2++) {
1445
                cpu_physical_memory_read(pdp_addr + l2 * 8, &pdpe, 8);
1446 1447 1448 1449 1450 1451 1452 1453 1454
                pdpe = le64_to_cpu(pdpe);
                if (pdpe & PG_PRESENT_MASK) {
                    if (pdpe & PG_PSE_MASK) {
                        /* 1G pages, CR4.PSE is ignored */
                        print_pte(mon, (l1 << 39) + (l2 << 30), pdpe,
                                  0x3ffffc0000000ULL);
                    } else {
                        pd_addr = pdpe & 0x3fffffffff000ULL;
                        for (l3 = 0; l3 < 512; l3++) {
1455
                            cpu_physical_memory_read(pd_addr + l3 * 8, &pde, 8);
1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467
                            pde = le64_to_cpu(pde);
                            if (pde & PG_PRESENT_MASK) {
                                if (pde & PG_PSE_MASK) {
                                    /* 2M pages, CR4.PSE is ignored */
                                    print_pte(mon, (l1 << 39) + (l2 << 30) +
                                              (l3 << 21), pde,
                                              0x3ffffffe00000ULL);
                                } else {
                                    pt_addr = pde & 0x3fffffffff000ULL;
                                    for (l4 = 0; l4 < 512; l4++) {
                                        cpu_physical_memory_read(pt_addr
                                                                 + l4 * 8,
1468
                                                                 &pte, 8);
1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490
                                        pte = le64_to_cpu(pte);
                                        if (pte & PG_PRESENT_MASK) {
                                            print_pte(mon, (l1 << 39) +
                                                      (l2 << 30) +
                                                      (l3 << 21) + (l4 << 12),
                                                      pte & ~PG_PSE_MASK,
                                                      0x3fffffffff000ULL);
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}
#endif

static void tlb_info(Monitor *mon)
{
1491
    CPUArchState *env;
1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512

    env = mon_get_cpu();

    if (!(env->cr[0] & CR0_PG_MASK)) {
        monitor_printf(mon, "PG disabled\n");
        return;
    }
    if (env->cr[4] & CR4_PAE_MASK) {
#ifdef TARGET_X86_64
        if (env->hflags & HF_LMA_MASK) {
            tlb_info_64(mon, env);
        } else
#endif
        {
            tlb_info_pae32(mon, env);
        }
    } else {
        tlb_info_32(mon, env);
    }
}

A
Avi Kivity 已提交
1513
static void mem_print(Monitor *mon, hwaddr *pstart,
1514
                      int *plast_prot,
A
Avi Kivity 已提交
1515
                      hwaddr end, int prot)
B
bellard 已提交
1516
{
B
bellard 已提交
1517 1518 1519
    int prot1;
    prot1 = *plast_prot;
    if (prot != prot1) {
B
bellard 已提交
1520
        if (*pstart != -1) {
1521 1522
            monitor_printf(mon, TARGET_FMT_plx "-" TARGET_FMT_plx " "
                           TARGET_FMT_plx " %c%c%c\n",
A
aliguori 已提交
1523 1524 1525 1526
                           *pstart, end, end - *pstart,
                           prot1 & PG_USER_MASK ? 'u' : '-',
                           'r',
                           prot1 & PG_RW_MASK ? 'w' : '-');
B
bellard 已提交
1527 1528 1529 1530 1531 1532 1533 1534 1535
        }
        if (prot != 0)
            *pstart = end;
        else
            *pstart = -1;
        *plast_prot = prot;
    }
}

1536
static void mem_info_32(Monitor *mon, CPUArchState *env)
B
bellard 已提交
1537
{
1538 1539
    unsigned int l1, l2;
    int prot, last_prot;
1540
    uint32_t pgd, pde, pte;
A
Avi Kivity 已提交
1541
    hwaddr start, end;
B
bellard 已提交
1542

B
bellard 已提交
1543 1544 1545 1546
    pgd = env->cr[3] & ~0xfff;
    last_prot = 0;
    start = -1;
    for(l1 = 0; l1 < 1024; l1++) {
1547
        cpu_physical_memory_read(pgd + l1 * 4, &pde, 4);
B
bellard 已提交
1548 1549 1550 1551 1552
        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
1553
                mem_print(mon, &start, &last_prot, end, prot);
B
bellard 已提交
1554 1555
            } else {
                for(l2 = 0; l2 < 1024; l2++) {
1556
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, &pte, 4);
B
bellard 已提交
1557 1558 1559
                    pte = le32_to_cpu(pte);
                    end = (l1 << 22) + (l2 << 12);
                    if (pte & PG_PRESENT_MASK) {
1560 1561
                        prot = pte & pde &
                            (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
B
bellard 已提交
1562 1563 1564
                    } else {
                        prot = 0;
                    }
A
aliguori 已提交
1565
                    mem_print(mon, &start, &last_prot, end, prot);
B
bellard 已提交
1566 1567 1568 1569
                }
            }
        } else {
            prot = 0;
A
aliguori 已提交
1570
            mem_print(mon, &start, &last_prot, end, prot);
B
bellard 已提交
1571 1572
        }
    }
1573
    /* Flush last range */
A
Avi Kivity 已提交
1574
    mem_print(mon, &start, &last_prot, (hwaddr)1 << 32, 0);
B
bellard 已提交
1575
}
1576

1577
static void mem_info_pae32(Monitor *mon, CPUArchState *env)
1578
{
1579 1580
    unsigned int l1, l2, l3;
    int prot, last_prot;
1581 1582
    uint64_t pdpe, pde, pte;
    uint64_t pdp_addr, pd_addr, pt_addr;
A
Avi Kivity 已提交
1583
    hwaddr start, end;
1584 1585 1586 1587 1588

    pdp_addr = env->cr[3] & ~0x1f;
    last_prot = 0;
    start = -1;
    for (l1 = 0; l1 < 4; l1++) {
1589
        cpu_physical_memory_read(pdp_addr + l1 * 8, &pdpe, 8);
1590 1591 1592 1593 1594
        pdpe = le64_to_cpu(pdpe);
        end = l1 << 30;
        if (pdpe & PG_PRESENT_MASK) {
            pd_addr = pdpe & 0x3fffffffff000ULL;
            for (l2 = 0; l2 < 512; l2++) {
1595
                cpu_physical_memory_read(pd_addr + l2 * 8, &pde, 8);
1596 1597 1598 1599 1600 1601 1602 1603 1604 1605
                pde = le64_to_cpu(pde);
                end = (l1 << 30) + (l2 << 21);
                if (pde & PG_PRESENT_MASK) {
                    if (pde & PG_PSE_MASK) {
                        prot = pde & (PG_USER_MASK | PG_RW_MASK |
                                      PG_PRESENT_MASK);
                        mem_print(mon, &start, &last_prot, end, prot);
                    } else {
                        pt_addr = pde & 0x3fffffffff000ULL;
                        for (l3 = 0; l3 < 512; l3++) {
1606
                            cpu_physical_memory_read(pt_addr + l3 * 8, &pte, 8);
1607 1608 1609
                            pte = le64_to_cpu(pte);
                            end = (l1 << 30) + (l2 << 21) + (l3 << 12);
                            if (pte & PG_PRESENT_MASK) {
1610 1611
                                prot = pte & pde & (PG_USER_MASK | PG_RW_MASK |
                                                    PG_PRESENT_MASK);
1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627
                            } else {
                                prot = 0;
                            }
                            mem_print(mon, &start, &last_prot, end, prot);
                        }
                    }
                } else {
                    prot = 0;
                    mem_print(mon, &start, &last_prot, end, prot);
                }
            }
        } else {
            prot = 0;
            mem_print(mon, &start, &last_prot, end, prot);
        }
    }
1628
    /* Flush last range */
A
Avi Kivity 已提交
1629
    mem_print(mon, &start, &last_prot, (hwaddr)1 << 32, 0);
1630 1631 1632 1633
}


#ifdef TARGET_X86_64
1634
static void mem_info_64(Monitor *mon, CPUArchState *env)
1635 1636 1637 1638 1639 1640 1641 1642 1643 1644
{
    int prot, last_prot;
    uint64_t l1, l2, l3, l4;
    uint64_t pml4e, pdpe, pde, pte;
    uint64_t pml4_addr, pdp_addr, pd_addr, pt_addr, start, end;

    pml4_addr = env->cr[3] & 0x3fffffffff000ULL;
    last_prot = 0;
    start = -1;
    for (l1 = 0; l1 < 512; l1++) {
1645
        cpu_physical_memory_read(pml4_addr + l1 * 8, &pml4e, 8);
1646 1647 1648 1649 1650
        pml4e = le64_to_cpu(pml4e);
        end = l1 << 39;
        if (pml4e & PG_PRESENT_MASK) {
            pdp_addr = pml4e & 0x3fffffffff000ULL;
            for (l2 = 0; l2 < 512; l2++) {
1651
                cpu_physical_memory_read(pdp_addr + l2 * 8, &pdpe, 8);
1652 1653 1654 1655
                pdpe = le64_to_cpu(pdpe);
                end = (l1 << 39) + (l2 << 30);
                if (pdpe & PG_PRESENT_MASK) {
                    if (pdpe & PG_PSE_MASK) {
B
Blue Swirl 已提交
1656 1657
                        prot = pdpe & (PG_USER_MASK | PG_RW_MASK |
                                       PG_PRESENT_MASK);
1658
                        prot &= pml4e;
1659 1660 1661 1662
                        mem_print(mon, &start, &last_prot, end, prot);
                    } else {
                        pd_addr = pdpe & 0x3fffffffff000ULL;
                        for (l3 = 0; l3 < 512; l3++) {
1663
                            cpu_physical_memory_read(pd_addr + l3 * 8, &pde, 8);
1664 1665 1666 1667 1668 1669
                            pde = le64_to_cpu(pde);
                            end = (l1 << 39) + (l2 << 30) + (l3 << 21);
                            if (pde & PG_PRESENT_MASK) {
                                if (pde & PG_PSE_MASK) {
                                    prot = pde & (PG_USER_MASK | PG_RW_MASK |
                                                  PG_PRESENT_MASK);
1670
                                    prot &= pml4e & pdpe;
1671 1672 1673 1674 1675 1676
                                    mem_print(mon, &start, &last_prot, end, prot);
                                } else {
                                    pt_addr = pde & 0x3fffffffff000ULL;
                                    for (l4 = 0; l4 < 512; l4++) {
                                        cpu_physical_memory_read(pt_addr
                                                                 + l4 * 8,
1677
                                                                 &pte, 8);
1678 1679 1680 1681 1682 1683
                                        pte = le64_to_cpu(pte);
                                        end = (l1 << 39) + (l2 << 30) +
                                            (l3 << 21) + (l4 << 12);
                                        if (pte & PG_PRESENT_MASK) {
                                            prot = pte & (PG_USER_MASK | PG_RW_MASK |
                                                          PG_PRESENT_MASK);
1684
                                            prot &= pml4e & pdpe & pde;
1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706
                                        } else {
                                            prot = 0;
                                        }
                                        mem_print(mon, &start, &last_prot, end, prot);
                                    }
                                }
                            } else {
                                prot = 0;
                                mem_print(mon, &start, &last_prot, end, prot);
                            }
                        }
                    }
                } else {
                    prot = 0;
                    mem_print(mon, &start, &last_prot, end, prot);
                }
            }
        } else {
            prot = 0;
            mem_print(mon, &start, &last_prot, end, prot);
        }
    }
1707
    /* Flush last range */
A
Avi Kivity 已提交
1708
    mem_print(mon, &start, &last_prot, (hwaddr)1 << 48, 0);
1709 1710 1711 1712 1713
}
#endif

static void mem_info(Monitor *mon)
{
1714
    CPUArchState *env;
1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734

    env = mon_get_cpu();

    if (!(env->cr[0] & CR0_PG_MASK)) {
        monitor_printf(mon, "PG disabled\n");
        return;
    }
    if (env->cr[4] & CR4_PAE_MASK) {
#ifdef TARGET_X86_64
        if (env->hflags & HF_LMA_MASK) {
            mem_info_64(mon, env);
        } else
#endif
        {
            mem_info_pae32(mon, env);
        }
    } else {
        mem_info_32(mon, env);
    }
}
B
bellard 已提交
1735 1736
#endif

A
aurel32 已提交
1737 1738
#if defined(TARGET_SH4)

A
aliguori 已提交
1739
static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
A
aurel32 已提交
1740
{
A
aliguori 已提交
1741 1742 1743 1744 1745 1746 1747 1748
    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
1749 1750
}

A
aliguori 已提交
1751
static void tlb_info(Monitor *mon)
A
aurel32 已提交
1752
{
1753
    CPUArchState *env = mon_get_cpu();
A
aurel32 已提交
1754 1755
    int i;

A
aliguori 已提交
1756
    monitor_printf (mon, "ITLB:\n");
A
aurel32 已提交
1757
    for (i = 0 ; i < ITLB_SIZE ; i++)
A
aliguori 已提交
1758 1759
        print_tlb (mon, i, &env->itlb[i]);
    monitor_printf (mon, "UTLB:\n");
A
aurel32 已提交
1760
    for (i = 0 ; i < UTLB_SIZE ; i++)
A
aliguori 已提交
1761
        print_tlb (mon, i, &env->utlb[i]);
A
aurel32 已提交
1762 1763 1764 1765
}

#endif

1766
#if defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_XTENSA)
1767 1768
static void tlb_info(Monitor *mon)
{
1769
    CPUArchState *env1 = mon_get_cpu();
1770 1771 1772 1773 1774

    dump_mmu((FILE*)mon, (fprintf_function)monitor_printf, env1);
}
#endif

B
Blue Swirl 已提交
1775 1776 1777 1778 1779
static void do_info_mtree(Monitor *mon)
{
    mtree_info((fprintf_function)monitor_printf, mon);
}

1780 1781
static void do_info_numa(Monitor *mon)
{
1782
    int i;
1783
    CPUArchState *env;
1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798

    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
1799 1800
#ifdef CONFIG_PROFILER

A
Aurelien Jarno 已提交
1801 1802 1803
int64_t qemu_time;
int64_t dev_time;

A
aliguori 已提交
1804
static void do_info_profile(Monitor *mon)
B
bellard 已提交
1805 1806 1807 1808 1809
{
    int64_t total;
    total = qemu_time;
    if (total == 0)
        total = 1;
A
aliguori 已提交
1810
    monitor_printf(mon, "async time  %" PRId64 " (%0.3f)\n",
1811
                   dev_time, dev_time / (double)get_ticks_per_sec());
A
aliguori 已提交
1812
    monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
1813
                   qemu_time, qemu_time / (double)get_ticks_per_sec());
B
bellard 已提交
1814 1815 1816 1817
    qemu_time = 0;
    dev_time = 0;
}
#else
A
aliguori 已提交
1818
static void do_info_profile(Monitor *mon)
B
bellard 已提交
1819
{
A
aliguori 已提交
1820
    monitor_printf(mon, "Internal profiler not compiled\n");
B
bellard 已提交
1821 1822 1823
}
#endif

B
bellard 已提交
1824
/* Capture support */
B
Blue Swirl 已提交
1825
static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
B
bellard 已提交
1826

A
aliguori 已提交
1827
static void do_info_capture(Monitor *mon)
B
bellard 已提交
1828 1829 1830 1831 1832
{
    int i;
    CaptureState *s;

    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
A
aliguori 已提交
1833
        monitor_printf(mon, "[%d]: ", i);
B
bellard 已提交
1834 1835 1836 1837
        s->ops.info (s->opaque);
    }
}

1838
#ifdef HAS_AUDIO
1839
static void do_stop_capture(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1840 1841
{
    int i;
1842
    int n = qdict_get_int(qdict, "n");
B
bellard 已提交
1843 1844 1845 1846 1847
    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
1848
            QLIST_REMOVE (s, entries);
1849
            g_free (s);
B
bellard 已提交
1850 1851 1852 1853 1854
            return;
        }
    }
}

1855 1856 1857 1858 1859 1860 1861 1862 1863
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
1864 1865
    CaptureState *s;

1866
    s = g_malloc0 (sizeof (*s));
B
bellard 已提交
1867 1868 1869 1870 1871 1872

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

    if (wav_start_capture (s, path, freq, bits, nchannels)) {
1873
        monitor_printf(mon, "Failed to add wave capture\n");
1874
        g_free (s);
1875
        return;
B
bellard 已提交
1876
    }
B
Blue Swirl 已提交
1877
    QLIST_INSERT_HEAD (&capture_head, s, entries);
B
bellard 已提交
1878 1879 1880
}
#endif

J
Jan Kiszka 已提交
1881
static qemu_acl *find_acl(Monitor *mon, const char *name)
1882
{
J
Jan Kiszka 已提交
1883
    qemu_acl *acl = qemu_acl_find(name);
1884 1885

    if (!acl) {
J
Jan Kiszka 已提交
1886
        monitor_printf(mon, "acl: unknown list '%s'\n", name);
1887
    }
J
Jan Kiszka 已提交
1888 1889 1890
    return acl;
}

1891
static void do_acl_show(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
1892
{
1893
    const char *aclname = qdict_get_str(qdict, "aclname");
J
Jan Kiszka 已提交
1894 1895 1896
    qemu_acl *acl = find_acl(mon, aclname);
    qemu_acl_entry *entry;
    int i = 0;
1897

J
Jan Kiszka 已提交
1898
    if (acl) {
1899
        monitor_printf(mon, "policy: %s\n",
1900
                       acl->defaultDeny ? "deny" : "allow");
B
Blue Swirl 已提交
1901
        QTAILQ_FOREACH(entry, &acl->entries, next) {
1902 1903
            i++;
            monitor_printf(mon, "%d: %s %s\n", i,
J
Jan Kiszka 已提交
1904
                           entry->deny ? "deny" : "allow", entry->match);
1905
        }
J
Jan Kiszka 已提交
1906 1907 1908
    }
}

1909
static void do_acl_reset(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
1910
{
1911
    const char *aclname = qdict_get_str(qdict, "aclname");
J
Jan Kiszka 已提交
1912 1913 1914
    qemu_acl *acl = find_acl(mon, aclname);

    if (acl) {
1915 1916
        qemu_acl_reset(acl);
        monitor_printf(mon, "acl: removed all rules\n");
J
Jan Kiszka 已提交
1917 1918 1919
    }
}

1920
static void do_acl_policy(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
1921
{
1922 1923
    const char *aclname = qdict_get_str(qdict, "aclname");
    const char *policy = qdict_get_str(qdict, "policy");
J
Jan Kiszka 已提交
1924
    qemu_acl *acl = find_acl(mon, aclname);
1925

J
Jan Kiszka 已提交
1926 1927
    if (acl) {
        if (strcmp(policy, "allow") == 0) {
1928 1929
            acl->defaultDeny = 0;
            monitor_printf(mon, "acl: policy set to 'allow'\n");
J
Jan Kiszka 已提交
1930
        } else if (strcmp(policy, "deny") == 0) {
1931 1932 1933
            acl->defaultDeny = 1;
            monitor_printf(mon, "acl: policy set to 'deny'\n");
        } else {
J
Jan Kiszka 已提交
1934 1935
            monitor_printf(mon, "acl: unknown policy '%s', "
                           "expected 'deny' or 'allow'\n", policy);
1936
        }
J
Jan Kiszka 已提交
1937 1938
    }
}
1939

1940
static void do_acl_add(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
1941
{
1942 1943 1944 1945 1946
    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
1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957
    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);
1958 1959 1960 1961 1962 1963 1964 1965 1966 1967
            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
1968 1969
    }
}
1970

1971
static void do_acl_remove(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
1972
{
1973 1974
    const char *aclname = qdict_get_str(qdict, "aclname");
    const char *match = qdict_get_str(qdict, "match");
J
Jan Kiszka 已提交
1975 1976
    qemu_acl *acl = find_acl(mon, aclname);
    int ret;
1977

J
Jan Kiszka 已提交
1978
    if (acl) {
1979 1980 1981 1982 1983
        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);
1984 1985 1986
    }
}

1987
#if defined(TARGET_I386)
1988
static void do_inject_mce(Monitor *mon, const QDict *qdict)
1989
{
1990
    CPUArchState *cenv;
1991 1992 1993 1994 1995 1996
    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");
1997
    int flags = MCE_INJECT_UNCOND_AO;
1998

1999 2000 2001
    if (qdict_get_try_bool(qdict, "broadcast", 0)) {
        flags |= MCE_INJECT_BROADCAST;
    }
2002
    for (cenv = first_cpu; cenv != NULL; cenv = cenv->next_cpu) {
2003 2004
        if (cenv->cpu_index == cpu_index) {
            cpu_x86_inject_mce(mon, cenv, bank, status, mcg_status, addr, misc,
2005
                               flags);
2006 2007
            break;
        }
2008
    }
2009 2010 2011
}
#endif

C
Corey Bryant 已提交
2012
void qmp_getfd(const char *fdname, Error **errp)
2013
{
A
Anthony Liguori 已提交
2014
    mon_fd_t *monfd;
2015 2016
    int fd;

C
Corey Bryant 已提交
2017
    fd = qemu_chr_fe_get_msgfd(cur_mon->chr);
2018
    if (fd == -1) {
C
Corey Bryant 已提交
2019 2020
        error_set(errp, QERR_FD_NOT_SUPPLIED);
        return;
2021 2022 2023
    }

    if (qemu_isdigit(fdname[0])) {
C
Corey Bryant 已提交
2024 2025 2026
        error_set(errp, QERR_INVALID_PARAMETER_VALUE, "fdname",
                  "a name not starting with a digit");
        return;
2027 2028
    }

C
Corey Bryant 已提交
2029
    QLIST_FOREACH(monfd, &cur_mon->fds, next) {
2030 2031 2032 2033 2034 2035
        if (strcmp(monfd->name, fdname) != 0) {
            continue;
        }

        close(monfd->fd);
        monfd->fd = fd;
C
Corey Bryant 已提交
2036
        return;
2037 2038
    }

2039 2040
    monfd = g_malloc0(sizeof(mon_fd_t));
    monfd->name = g_strdup(fdname);
2041 2042
    monfd->fd = fd;

C
Corey Bryant 已提交
2043
    QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next);
2044 2045
}

C
Corey Bryant 已提交
2046
void qmp_closefd(const char *fdname, Error **errp)
2047
{
A
Anthony Liguori 已提交
2048
    mon_fd_t *monfd;
2049

C
Corey Bryant 已提交
2050
    QLIST_FOREACH(monfd, &cur_mon->fds, next) {
2051 2052 2053 2054
        if (strcmp(monfd->name, fdname) != 0) {
            continue;
        }

B
Blue Swirl 已提交
2055
        QLIST_REMOVE(monfd, next);
2056
        close(monfd->fd);
2057 2058
        g_free(monfd->name);
        g_free(monfd);
C
Corey Bryant 已提交
2059
        return;
2060 2061
    }

C
Corey Bryant 已提交
2062
    error_set(errp, QERR_FD_NOT_FOUND, fdname);
2063 2064
}

2065
static void do_loadvm(Monitor *mon, const QDict *qdict)
J
Juan Quintela 已提交
2066
{
2067
    int saved_vm_running  = runstate_is_running();
2068
    const char *name = qdict_get_str(qdict, "name");
J
Juan Quintela 已提交
2069

2070
    vm_stop(RUN_STATE_RESTORE_VM);
J
Juan Quintela 已提交
2071

2072
    if (load_vmstate(name) == 0 && saved_vm_running) {
J
Juan Quintela 已提交
2073
        vm_start();
2074
    }
J
Juan Quintela 已提交
2075 2076
}

2077
int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
2078
{
A
Anthony Liguori 已提交
2079
    mon_fd_t *monfd;
2080

B
Blue Swirl 已提交
2081
    QLIST_FOREACH(monfd, &mon->fds, next) {
2082 2083 2084 2085 2086 2087 2088 2089 2090
        int fd;

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

        fd = monfd->fd;

        /* caller takes ownership of fd */
B
Blue Swirl 已提交
2091
        QLIST_REMOVE(monfd, next);
2092 2093
        g_free(monfd->name);
        g_free(monfd);
2094 2095 2096 2097

        return fd;
    }

2098
    error_setg(errp, "File descriptor named '%s' has not been found", fdname);
2099 2100 2101
    return -1;
}

2102 2103 2104 2105 2106 2107
static void monitor_fdset_cleanup(MonFdset *mon_fdset)
{
    MonFdsetFd *mon_fdset_fd;
    MonFdsetFd *mon_fdset_fd_next;

    QLIST_FOREACH_SAFE(mon_fdset_fd, &mon_fdset->fds, next, mon_fdset_fd_next) {
2108 2109
        if (mon_fdset_fd->removed ||
                (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) {
2110 2111 2112 2113 2114 2115 2116
            close(mon_fdset_fd->fd);
            g_free(mon_fdset_fd->opaque);
            QLIST_REMOVE(mon_fdset_fd, next);
            g_free(mon_fdset_fd);
        }
    }

2117
    if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) {
2118 2119 2120 2121 2122
        QLIST_REMOVE(mon_fdset, next);
        g_free(mon_fdset);
    }
}

2123 2124 2125 2126 2127 2128 2129 2130 2131 2132
static void monitor_fdsets_cleanup(void)
{
    MonFdset *mon_fdset;
    MonFdset *mon_fdset_next;

    QLIST_FOREACH_SAFE(mon_fdset, &mon_fdsets, next, mon_fdset_next) {
        monitor_fdset_cleanup(mon_fdset);
    }
}

2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145
AddfdInfo *qmp_add_fd(bool has_fdset_id, int64_t fdset_id, bool has_opaque,
                      const char *opaque, Error **errp)
{
    int fd;
    Monitor *mon = cur_mon;
    AddfdInfo *fdinfo;

    fd = qemu_chr_fe_get_msgfd(mon->chr);
    if (fd == -1) {
        error_set(errp, QERR_FD_NOT_SUPPLIED);
        goto error;
    }

2146 2147 2148 2149
    fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id,
                                  has_opaque, opaque, errp);
    if (fdinfo) {
        return fdinfo;
2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235
    }

error:
    if (fd != -1) {
        close(fd);
    }
    return NULL;
}

void qmp_remove_fd(int64_t fdset_id, bool has_fd, int64_t fd, Error **errp)
{
    MonFdset *mon_fdset;
    MonFdsetFd *mon_fdset_fd;
    char fd_str[60];

    QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
        if (mon_fdset->id != fdset_id) {
            continue;
        }
        QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
            if (has_fd) {
                if (mon_fdset_fd->fd != fd) {
                    continue;
                }
                mon_fdset_fd->removed = true;
                break;
            } else {
                mon_fdset_fd->removed = true;
            }
        }
        if (has_fd && !mon_fdset_fd) {
            goto error;
        }
        monitor_fdset_cleanup(mon_fdset);
        return;
    }

error:
    if (has_fd) {
        snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64 ", fd:%" PRId64,
                 fdset_id, fd);
    } else {
        snprintf(fd_str, sizeof(fd_str), "fdset-id:%" PRId64, fdset_id);
    }
    error_set(errp, QERR_FD_NOT_FOUND, fd_str);
}

FdsetInfoList *qmp_query_fdsets(Error **errp)
{
    MonFdset *mon_fdset;
    MonFdsetFd *mon_fdset_fd;
    FdsetInfoList *fdset_list = NULL;

    QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
        FdsetInfoList *fdset_info = g_malloc0(sizeof(*fdset_info));
        FdsetFdInfoList *fdsetfd_list = NULL;

        fdset_info->value = g_malloc0(sizeof(*fdset_info->value));
        fdset_info->value->fdset_id = mon_fdset->id;

        QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
            FdsetFdInfoList *fdsetfd_info;

            fdsetfd_info = g_malloc0(sizeof(*fdsetfd_info));
            fdsetfd_info->value = g_malloc0(sizeof(*fdsetfd_info->value));
            fdsetfd_info->value->fd = mon_fdset_fd->fd;
            if (mon_fdset_fd->opaque) {
                fdsetfd_info->value->has_opaque = true;
                fdsetfd_info->value->opaque = g_strdup(mon_fdset_fd->opaque);
            } else {
                fdsetfd_info->value->has_opaque = false;
            }

            fdsetfd_info->next = fdsetfd_list;
            fdsetfd_list = fdsetfd_info;
        }

        fdset_info->value->fds = fdsetfd_list;

        fdset_info->next = fdset_list;
        fdset_list = fdset_info;
    }

    return fdset_list;
}

2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316
AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id,
                                bool has_opaque, const char *opaque,
                                Error **errp)
{
    MonFdset *mon_fdset = NULL;
    MonFdsetFd *mon_fdset_fd;
    AddfdInfo *fdinfo;

    if (has_fdset_id) {
        QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
            /* Break if match found or match impossible due to ordering by ID */
            if (fdset_id <= mon_fdset->id) {
                if (fdset_id < mon_fdset->id) {
                    mon_fdset = NULL;
                }
                break;
            }
        }
    }

    if (mon_fdset == NULL) {
        int64_t fdset_id_prev = -1;
        MonFdset *mon_fdset_cur = QLIST_FIRST(&mon_fdsets);

        if (has_fdset_id) {
            if (fdset_id < 0) {
                error_set(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id",
                          "a non-negative value");
                return NULL;
            }
            /* Use specified fdset ID */
            QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
                mon_fdset_cur = mon_fdset;
                if (fdset_id < mon_fdset_cur->id) {
                    break;
                }
            }
        } else {
            /* Use first available fdset ID */
            QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
                mon_fdset_cur = mon_fdset;
                if (fdset_id_prev == mon_fdset_cur->id - 1) {
                    fdset_id_prev = mon_fdset_cur->id;
                    continue;
                }
                break;
            }
        }

        mon_fdset = g_malloc0(sizeof(*mon_fdset));
        if (has_fdset_id) {
            mon_fdset->id = fdset_id;
        } else {
            mon_fdset->id = fdset_id_prev + 1;
        }

        /* The fdset list is ordered by fdset ID */
        if (!mon_fdset_cur) {
            QLIST_INSERT_HEAD(&mon_fdsets, mon_fdset, next);
        } else if (mon_fdset->id < mon_fdset_cur->id) {
            QLIST_INSERT_BEFORE(mon_fdset_cur, mon_fdset, next);
        } else {
            QLIST_INSERT_AFTER(mon_fdset_cur, mon_fdset, next);
        }
    }

    mon_fdset_fd = g_malloc0(sizeof(*mon_fdset_fd));
    mon_fdset_fd->fd = fd;
    mon_fdset_fd->removed = false;
    if (has_opaque) {
        mon_fdset_fd->opaque = g_strdup(opaque);
    }
    QLIST_INSERT_HEAD(&mon_fdset->fds, mon_fdset_fd, next);

    fdinfo = g_malloc0(sizeof(*fdinfo));
    fdinfo->fdset_id = mon_fdset->id;
    fdinfo->fd = mon_fdset_fd->fd;

    return fdinfo;
}

2317 2318
int monitor_fdset_get_fd(int64_t fdset_id, int flags)
{
2319
#ifndef _WIN32
2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399
    MonFdset *mon_fdset;
    MonFdsetFd *mon_fdset_fd;
    int mon_fd_flags;

    QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
        if (mon_fdset->id != fdset_id) {
            continue;
        }
        QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) {
            mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL);
            if (mon_fd_flags == -1) {
                return -1;
            }

            if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) {
                return mon_fdset_fd->fd;
            }
        }
        errno = EACCES;
        return -1;
    }
#endif

    errno = ENOENT;
    return -1;
}

int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd)
{
    MonFdset *mon_fdset;
    MonFdsetFd *mon_fdset_fd_dup;

    QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
        if (mon_fdset->id != fdset_id) {
            continue;
        }
        QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
            if (mon_fdset_fd_dup->fd == dup_fd) {
                return -1;
            }
        }
        mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup));
        mon_fdset_fd_dup->fd = dup_fd;
        QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next);
        return 0;
    }
    return -1;
}

static int monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove)
{
    MonFdset *mon_fdset;
    MonFdsetFd *mon_fdset_fd_dup;

    QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
        QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) {
            if (mon_fdset_fd_dup->fd == dup_fd) {
                if (remove) {
                    QLIST_REMOVE(mon_fdset_fd_dup, next);
                    if (QLIST_EMPTY(&mon_fdset->dup_fds)) {
                        monitor_fdset_cleanup(mon_fdset);
                    }
                }
                return mon_fdset->id;
            }
        }
    }
    return -1;
}

int monitor_fdset_dup_fd_find(int dup_fd)
{
    return monitor_fdset_dup_fd_find_remove(dup_fd, false);
}

int monitor_fdset_dup_fd_remove(int dup_fd)
{
    return monitor_fdset_dup_fd_find_remove(dup_fd, true);
}

2400 2401 2402
int monitor_handle_fd_param(Monitor *mon, const char *fdname)
{
    int fd;
2403
    Error *local_err = NULL;
2404 2405 2406

    if (!qemu_isdigit(fdname[0]) && mon) {

2407
        fd = monitor_get_fd(mon, fdname, &local_err);
2408
        if (fd == -1) {
2409 2410
            qerror_report_err(local_err);
            error_free(local_err);
2411 2412 2413 2414 2415 2416 2417 2418 2419
            return -1;
        }
    } else {
        fd = qemu_parse_fd(fdname);
    }

    return fd;
}

2420 2421
/* mon_cmds and info_cmds would be sorted at runtime */
static mon_cmd_t mon_cmds[] = {
2422
#include "hmp-commands.h"
2423
    { NULL, NULL, },
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bellard 已提交
2424 2425
};

2426
/* Please update hmp-commands.hx when adding or changing commands */
2427
static mon_cmd_t info_cmds[] = {
2428 2429 2430 2431 2432
    {
        .name       = "version",
        .args_type  = "",
        .params     = "",
        .help       = "show the version of QEMU",
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Luiz Capitulino 已提交
2433
        .mhandler.info = hmp_info_version,
2434 2435 2436 2437 2438 2439
    },
    {
        .name       = "network",
        .args_type  = "",
        .params     = "",
        .help       = "show the network state",
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Luiz Capitulino 已提交
2440
        .mhandler.info = do_info_network,
2441 2442 2443 2444 2445 2446
    },
    {
        .name       = "chardev",
        .args_type  = "",
        .params     = "",
        .help       = "show the character devices",
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Luiz Capitulino 已提交
2447
        .mhandler.info = hmp_info_chardev,
2448 2449 2450 2451 2452 2453
    },
    {
        .name       = "block",
        .args_type  = "",
        .params     = "",
        .help       = "show the block devices",
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Luiz Capitulino 已提交
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        .mhandler.info = hmp_info_block,
2455 2456 2457 2458 2459 2460
    },
    {
        .name       = "blockstats",
        .args_type  = "",
        .params     = "",
        .help       = "show block device statistics",
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Luiz Capitulino 已提交
2461
        .mhandler.info = hmp_info_blockstats,
2462
    },
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Stefan Hajnoczi 已提交
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    {
        .name       = "block-jobs",
        .args_type  = "",
        .params     = "",
        .help       = "show progress of ongoing block device operations",
        .mhandler.info = hmp_info_block_jobs,
    },
2470 2471 2472 2473 2474
    {
        .name       = "registers",
        .args_type  = "",
        .params     = "",
        .help       = "show the cpu registers",
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Luiz Capitulino 已提交
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        .mhandler.info = do_info_registers,
2476 2477 2478 2479 2480 2481
    },
    {
        .name       = "cpus",
        .args_type  = "",
        .params     = "",
        .help       = "show infos for each CPU",
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Luiz Capitulino 已提交
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        .mhandler.info = hmp_info_cpus,
2483 2484 2485 2486 2487 2488
    },
    {
        .name       = "history",
        .args_type  = "",
        .params     = "",
        .help       = "show the command line history",
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Luiz Capitulino 已提交
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        .mhandler.info = do_info_history,
2490
    },
2491 2492
#if defined(TARGET_I386) || defined(TARGET_PPC) || defined(TARGET_MIPS) || \
    defined(TARGET_LM32) || (defined(TARGET_SPARC) && !defined(TARGET_SPARC64))
2493 2494 2495 2496 2497
    {
        .name       = "irq",
        .args_type  = "",
        .params     = "",
        .help       = "show the interrupts statistics (if available)",
2498 2499 2500 2501 2502
#ifdef TARGET_SPARC
        .mhandler.info = sun4m_irq_info,
#elif defined(TARGET_LM32)
        .mhandler.info = lm32_irq_info,
#else
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Luiz Capitulino 已提交
2503
        .mhandler.info = irq_info,
2504
#endif
2505 2506 2507 2508 2509 2510
    },
    {
        .name       = "pic",
        .args_type  = "",
        .params     = "",
        .help       = "show i8259 (PIC) state",
2511 2512 2513 2514 2515
#ifdef TARGET_SPARC
        .mhandler.info = sun4m_pic_info,
#elif defined(TARGET_LM32)
        .mhandler.info = lm32_do_pic_info,
#else
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        .mhandler.info = pic_info,
2517
#endif
2518
    },
2519
#endif
2520 2521 2522 2523 2524
    {
        .name       = "pci",
        .args_type  = "",
        .params     = "",
        .help       = "show PCI info",
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2525
        .mhandler.info = hmp_info_pci,
2526
    },
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2527
#if defined(TARGET_I386) || defined(TARGET_SH4) || defined(TARGET_SPARC) || \
2528
    defined(TARGET_PPC) || defined(TARGET_XTENSA)
2529 2530 2531 2532 2533
    {
        .name       = "tlb",
        .args_type  = "",
        .params     = "",
        .help       = "show virtual to physical memory mappings",
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2534
        .mhandler.info = tlb_info,
2535
    },
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2536 2537
#endif
#if defined(TARGET_I386)
2538 2539 2540 2541 2542
    {
        .name       = "mem",
        .args_type  = "",
        .params     = "",
        .help       = "show the active virtual memory mappings",
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2543
        .mhandler.info = mem_info,
2544
    },
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2545
#endif
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2546 2547 2548 2549 2550 2551 2552
    {
        .name       = "mtree",
        .args_type  = "",
        .params     = "",
        .help       = "show memory tree",
        .mhandler.info = do_info_mtree,
    },
2553 2554 2555 2556 2557
    {
        .name       = "jit",
        .args_type  = "",
        .params     = "",
        .help       = "show dynamic compiler info",
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Luiz Capitulino 已提交
2558
        .mhandler.info = do_info_jit,
2559 2560 2561 2562 2563 2564
    },
    {
        .name       = "kvm",
        .args_type  = "",
        .params     = "",
        .help       = "show KVM information",
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        .mhandler.info = hmp_info_kvm,
2566 2567 2568 2569 2570 2571
    },
    {
        .name       = "numa",
        .args_type  = "",
        .params     = "",
        .help       = "show NUMA information",
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        .mhandler.info = do_info_numa,
2573 2574 2575 2576 2577 2578
    },
    {
        .name       = "usb",
        .args_type  = "",
        .params     = "",
        .help       = "show guest USB devices",
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        .mhandler.info = usb_info,
2580 2581 2582 2583 2584 2585
    },
    {
        .name       = "usbhost",
        .args_type  = "",
        .params     = "",
        .help       = "show host USB devices",
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        .mhandler.info = usb_host_info,
2587 2588 2589 2590 2591 2592
    },
    {
        .name       = "profile",
        .args_type  = "",
        .params     = "",
        .help       = "show profiling information",
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        .mhandler.info = do_info_profile,
2594 2595 2596 2597 2598 2599
    },
    {
        .name       = "capture",
        .args_type  = "",
        .params     = "",
        .help       = "show capture information",
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2600
        .mhandler.info = do_info_capture,
2601 2602 2603 2604 2605 2606
    },
    {
        .name       = "snapshots",
        .args_type  = "",
        .params     = "",
        .help       = "show the currently saved VM snapshots",
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2607
        .mhandler.info = do_info_snapshots,
2608 2609 2610 2611 2612 2613
    },
    {
        .name       = "status",
        .args_type  = "",
        .params     = "",
        .help       = "show the current VM status (running|paused)",
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2614
        .mhandler.info = hmp_info_status,
2615 2616 2617 2618 2619 2620
    },
    {
        .name       = "pcmcia",
        .args_type  = "",
        .params     = "",
        .help       = "show guest PCMCIA status",
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2621
        .mhandler.info = pcmcia_info,
2622 2623 2624 2625 2626 2627
    },
    {
        .name       = "mice",
        .args_type  = "",
        .params     = "",
        .help       = "show which guest mouse is receiving events",
L
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2628
        .mhandler.info = hmp_info_mice,
2629 2630 2631 2632 2633 2634
    },
    {
        .name       = "vnc",
        .args_type  = "",
        .params     = "",
        .help       = "show the vnc server status",
L
Luiz Capitulino 已提交
2635
        .mhandler.info = hmp_info_vnc,
2636
    },
2637 2638 2639 2640 2641 2642
#if defined(CONFIG_SPICE)
    {
        .name       = "spice",
        .args_type  = "",
        .params     = "",
        .help       = "show the spice server status",
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Luiz Capitulino 已提交
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        .mhandler.info = hmp_info_spice,
2644 2645
    },
#endif
2646 2647 2648 2649 2650
    {
        .name       = "name",
        .args_type  = "",
        .params     = "",
        .help       = "show the current VM name",
A
Anthony Liguori 已提交
2651
        .mhandler.info = hmp_info_name,
2652 2653 2654 2655 2656 2657
    },
    {
        .name       = "uuid",
        .args_type  = "",
        .params     = "",
        .help       = "show the current VM UUID",
L
Luiz Capitulino 已提交
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        .mhandler.info = hmp_info_uuid,
2659
    },
2660
#if defined(TARGET_PPC)
2661 2662 2663 2664 2665
    {
        .name       = "cpustats",
        .args_type  = "",
        .params     = "",
        .help       = "show CPU statistics",
L
Luiz Capitulino 已提交
2666
        .mhandler.info = do_info_cpu_stats,
2667
    },
2668
#endif
2669
#if defined(CONFIG_SLIRP)
2670 2671 2672 2673 2674
    {
        .name       = "usernet",
        .args_type  = "",
        .params     = "",
        .help       = "show user network stack connection states",
L
Luiz Capitulino 已提交
2675
        .mhandler.info = do_info_usernet,
2676
    },
2677
#endif
2678 2679 2680 2681 2682
    {
        .name       = "migrate",
        .args_type  = "",
        .params     = "",
        .help       = "show migration status",
L
Luiz Capitulino 已提交
2683
        .mhandler.info = hmp_info_migrate,
2684
    },
O
Orit Wasserman 已提交
2685 2686 2687 2688 2689 2690 2691
    {
        .name       = "migrate_capabilities",
        .args_type  = "",
        .params     = "",
        .help       = "show current migration capabilities",
        .mhandler.info = hmp_info_migrate_capabilities,
    },
2692 2693 2694 2695 2696 2697 2698
    {
        .name       = "migrate_cache_size",
        .args_type  = "",
        .params     = "",
        .help       = "show current migration xbzrle cache size",
        .mhandler.info = hmp_info_migrate_cache_size,
    },
2699 2700 2701 2702 2703
    {
        .name       = "balloon",
        .args_type  = "",
        .params     = "",
        .help       = "show balloon information",
L
Luiz Capitulino 已提交
2704
        .mhandler.info = hmp_info_balloon,
2705 2706 2707 2708 2709 2710
    },
    {
        .name       = "qtree",
        .args_type  = "",
        .params     = "",
        .help       = "show device tree",
L
Luiz Capitulino 已提交
2711
        .mhandler.info = do_info_qtree,
2712 2713 2714 2715 2716 2717
    },
    {
        .name       = "qdm",
        .args_type  = "",
        .params     = "",
        .help       = "show qdev device model list",
L
Luiz Capitulino 已提交
2718
        .mhandler.info = do_info_qdm,
2719 2720 2721 2722 2723 2724
    },
    {
        .name       = "roms",
        .args_type  = "",
        .params     = "",
        .help       = "show roms",
L
Luiz Capitulino 已提交
2725
        .mhandler.info = do_info_roms,
2726
    },
2727 2728 2729 2730 2731
    {
        .name       = "trace-events",
        .args_type  = "",
        .params     = "",
        .help       = "show available trace-events & their state",
2732
        .mhandler.info = do_trace_print_events,
2733
    },
2734 2735 2736
    {
        .name       = NULL,
    },
B
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2737 2738
};

2739
static const mon_cmd_t qmp_cmds[] = {
2740
#include "qmp-commands-old.h"
2741 2742 2743
    { /* NULL */ },
};

2744 2745 2746 2747 2748
/*******************************************************************/

static const char *pch;
static jmp_buf expr_env;

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2749 2750 2751
#define MD_TLONG 0
#define MD_I32   1

2752 2753 2754
typedef struct MonitorDef {
    const char *name;
    int offset;
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2755
    target_long (*get_value)(const struct MonitorDef *md, int val);
B
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2756
    int type;
2757 2758
} MonitorDef;

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2759
#if defined(TARGET_I386)
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2760
static target_long monitor_get_pc (const struct MonitorDef *md, int val)
B
bellard 已提交
2761
{
2762
    CPUArchState *env = mon_get_cpu();
B
bellard 已提交
2763
    return env->eip + env->segs[R_CS].base;
B
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2764 2765 2766
}
#endif

2767
#if defined(TARGET_PPC)
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2768
static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2769
{
2770
    CPUArchState *env = mon_get_cpu();
2771 2772 2773 2774 2775
    unsigned int u;
    int i;

    u = 0;
    for (i = 0; i < 8; i++)
2776
        u |= env->crf[i] << (32 - (4 * i));
2777 2778 2779 2780

    return u;
}

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2781
static target_long monitor_get_msr (const struct MonitorDef *md, int val)
2782
{
2783
    CPUArchState *env = mon_get_cpu();
2784
    return env->msr;
2785 2786
}

B
blueswir1 已提交
2787
static target_long monitor_get_xer (const struct MonitorDef *md, int val)
2788
{
2789
    CPUArchState *env = mon_get_cpu();
A
aurel32 已提交
2790
    return env->xer;
2791
}
2792

B
blueswir1 已提交
2793
static target_long monitor_get_decr (const struct MonitorDef *md, int val)
2794
{
2795
    CPUArchState *env = mon_get_cpu();
B
bellard 已提交
2796
    return cpu_ppc_load_decr(env);
2797 2798
}

B
blueswir1 已提交
2799
static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
2800
{
2801
    CPUArchState *env = mon_get_cpu();
B
bellard 已提交
2802
    return cpu_ppc_load_tbu(env);
2803 2804
}

B
blueswir1 已提交
2805
static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
2806
{
2807
    CPUArchState *env = mon_get_cpu();
B
bellard 已提交
2808
    return cpu_ppc_load_tbl(env);
2809
}
2810 2811
#endif

2812
#if defined(TARGET_SPARC)
B
bellard 已提交
2813
#ifndef TARGET_SPARC64
B
blueswir1 已提交
2814
static target_long monitor_get_psr (const struct MonitorDef *md, int val)
2815
{
2816
    CPUArchState *env = mon_get_cpu();
2817 2818

    return cpu_get_psr(env);
2819
}
B
bellard 已提交
2820
#endif
2821

B
blueswir1 已提交
2822
static target_long monitor_get_reg(const struct MonitorDef *md, int val)
2823
{
2824
    CPUArchState *env = mon_get_cpu();
B
bellard 已提交
2825
    return env->regwptr[val];
2826 2827 2828
}
#endif

B
blueswir1 已提交
2829
static const MonitorDef monitor_defs[] = {
2830
#ifdef TARGET_I386
B
bellard 已提交
2831 2832

#define SEG(name, seg) \
2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844
    { name, offsetof(CPUX86State, segs[seg].selector), NULL, MD_I32 },\
    { name ".base", offsetof(CPUX86State, segs[seg].base) },\
    { name ".limit", offsetof(CPUX86State, segs[seg].limit), NULL, MD_I32 },

    { "eax", offsetof(CPUX86State, regs[0]) },
    { "ecx", offsetof(CPUX86State, regs[1]) },
    { "edx", offsetof(CPUX86State, regs[2]) },
    { "ebx", offsetof(CPUX86State, regs[3]) },
    { "esp|sp", offsetof(CPUX86State, regs[4]) },
    { "ebp|fp", offsetof(CPUX86State, regs[5]) },
    { "esi", offsetof(CPUX86State, regs[6]) },
    { "edi", offsetof(CPUX86State, regs[7]) },
B
bellard 已提交
2845
#ifdef TARGET_X86_64
2846 2847 2848 2849 2850 2851 2852 2853
    { "r8", offsetof(CPUX86State, regs[8]) },
    { "r9", offsetof(CPUX86State, regs[9]) },
    { "r10", offsetof(CPUX86State, regs[10]) },
    { "r11", offsetof(CPUX86State, regs[11]) },
    { "r12", offsetof(CPUX86State, regs[12]) },
    { "r13", offsetof(CPUX86State, regs[13]) },
    { "r14", offsetof(CPUX86State, regs[14]) },
    { "r15", offsetof(CPUX86State, regs[15]) },
B
bellard 已提交
2854
#endif
2855 2856
    { "eflags", offsetof(CPUX86State, eflags) },
    { "eip", offsetof(CPUX86State, eip) },
B
bellard 已提交
2857 2858 2859
    SEG("cs", R_CS)
    SEG("ds", R_DS)
    SEG("es", R_ES)
B
bellard 已提交
2860
    SEG("ss", R_SS)
B
bellard 已提交
2861 2862 2863
    SEG("fs", R_FS)
    SEG("gs", R_GS)
    { "pc", 0, monitor_get_pc, },
2864
#elif defined(TARGET_PPC)
J
j_mayer 已提交
2865
    /* General purpose registers */
2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897
    { "r0", offsetof(CPUPPCState, gpr[0]) },
    { "r1", offsetof(CPUPPCState, gpr[1]) },
    { "r2", offsetof(CPUPPCState, gpr[2]) },
    { "r3", offsetof(CPUPPCState, gpr[3]) },
    { "r4", offsetof(CPUPPCState, gpr[4]) },
    { "r5", offsetof(CPUPPCState, gpr[5]) },
    { "r6", offsetof(CPUPPCState, gpr[6]) },
    { "r7", offsetof(CPUPPCState, gpr[7]) },
    { "r8", offsetof(CPUPPCState, gpr[8]) },
    { "r9", offsetof(CPUPPCState, gpr[9]) },
    { "r10", offsetof(CPUPPCState, gpr[10]) },
    { "r11", offsetof(CPUPPCState, gpr[11]) },
    { "r12", offsetof(CPUPPCState, gpr[12]) },
    { "r13", offsetof(CPUPPCState, gpr[13]) },
    { "r14", offsetof(CPUPPCState, gpr[14]) },
    { "r15", offsetof(CPUPPCState, gpr[15]) },
    { "r16", offsetof(CPUPPCState, gpr[16]) },
    { "r17", offsetof(CPUPPCState, gpr[17]) },
    { "r18", offsetof(CPUPPCState, gpr[18]) },
    { "r19", offsetof(CPUPPCState, gpr[19]) },
    { "r20", offsetof(CPUPPCState, gpr[20]) },
    { "r21", offsetof(CPUPPCState, gpr[21]) },
    { "r22", offsetof(CPUPPCState, gpr[22]) },
    { "r23", offsetof(CPUPPCState, gpr[23]) },
    { "r24", offsetof(CPUPPCState, gpr[24]) },
    { "r25", offsetof(CPUPPCState, gpr[25]) },
    { "r26", offsetof(CPUPPCState, gpr[26]) },
    { "r27", offsetof(CPUPPCState, gpr[27]) },
    { "r28", offsetof(CPUPPCState, gpr[28]) },
    { "r29", offsetof(CPUPPCState, gpr[29]) },
    { "r30", offsetof(CPUPPCState, gpr[30]) },
    { "r31", offsetof(CPUPPCState, gpr[31]) },
J
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2898
    /* Floating point registers */
2899 2900 2901 2902 2903 2904 2905 2906 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
    { "f0", offsetof(CPUPPCState, fpr[0]) },
    { "f1", offsetof(CPUPPCState, fpr[1]) },
    { "f2", offsetof(CPUPPCState, fpr[2]) },
    { "f3", offsetof(CPUPPCState, fpr[3]) },
    { "f4", offsetof(CPUPPCState, fpr[4]) },
    { "f5", offsetof(CPUPPCState, fpr[5]) },
    { "f6", offsetof(CPUPPCState, fpr[6]) },
    { "f7", offsetof(CPUPPCState, fpr[7]) },
    { "f8", offsetof(CPUPPCState, fpr[8]) },
    { "f9", offsetof(CPUPPCState, fpr[9]) },
    { "f10", offsetof(CPUPPCState, fpr[10]) },
    { "f11", offsetof(CPUPPCState, fpr[11]) },
    { "f12", offsetof(CPUPPCState, fpr[12]) },
    { "f13", offsetof(CPUPPCState, fpr[13]) },
    { "f14", offsetof(CPUPPCState, fpr[14]) },
    { "f15", offsetof(CPUPPCState, fpr[15]) },
    { "f16", offsetof(CPUPPCState, fpr[16]) },
    { "f17", offsetof(CPUPPCState, fpr[17]) },
    { "f18", offsetof(CPUPPCState, fpr[18]) },
    { "f19", offsetof(CPUPPCState, fpr[19]) },
    { "f20", offsetof(CPUPPCState, fpr[20]) },
    { "f21", offsetof(CPUPPCState, fpr[21]) },
    { "f22", offsetof(CPUPPCState, fpr[22]) },
    { "f23", offsetof(CPUPPCState, fpr[23]) },
    { "f24", offsetof(CPUPPCState, fpr[24]) },
    { "f25", offsetof(CPUPPCState, fpr[25]) },
    { "f26", offsetof(CPUPPCState, fpr[26]) },
    { "f27", offsetof(CPUPPCState, fpr[27]) },
    { "f28", offsetof(CPUPPCState, fpr[28]) },
    { "f29", offsetof(CPUPPCState, fpr[29]) },
    { "f30", offsetof(CPUPPCState, fpr[30]) },
    { "f31", offsetof(CPUPPCState, fpr[31]) },
    { "fpscr", offsetof(CPUPPCState, fpscr) },
J
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2932
    /* Next instruction pointer */
2933 2934 2935
    { "nip|pc", offsetof(CPUPPCState, nip) },
    { "lr", offsetof(CPUPPCState, lr) },
    { "ctr", offsetof(CPUPPCState, ctr) },
2936
    { "decr", 0, &monitor_get_decr, },
2937
    { "ccr", 0, &monitor_get_ccr, },
J
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2938
    /* Machine state register */
2939 2940
    { "msr", 0, &monitor_get_msr, },
    { "xer", 0, &monitor_get_xer, },
2941 2942
    { "tbu", 0, &monitor_get_tbu, },
    { "tbl", 0, &monitor_get_tbl, },
J
j_mayer 已提交
2943 2944
#if defined(TARGET_PPC64)
    /* Address space register */
2945
    { "asr", offsetof(CPUPPCState, asr) },
J
j_mayer 已提交
2946 2947
#endif
    /* Segment registers */
2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964
    { "sdr1", offsetof(CPUPPCState, spr[SPR_SDR1]) },
    { "sr0", offsetof(CPUPPCState, sr[0]) },
    { "sr1", offsetof(CPUPPCState, sr[1]) },
    { "sr2", offsetof(CPUPPCState, sr[2]) },
    { "sr3", offsetof(CPUPPCState, sr[3]) },
    { "sr4", offsetof(CPUPPCState, sr[4]) },
    { "sr5", offsetof(CPUPPCState, sr[5]) },
    { "sr6", offsetof(CPUPPCState, sr[6]) },
    { "sr7", offsetof(CPUPPCState, sr[7]) },
    { "sr8", offsetof(CPUPPCState, sr[8]) },
    { "sr9", offsetof(CPUPPCState, sr[9]) },
    { "sr10", offsetof(CPUPPCState, sr[10]) },
    { "sr11", offsetof(CPUPPCState, sr[11]) },
    { "sr12", offsetof(CPUPPCState, sr[12]) },
    { "sr13", offsetof(CPUPPCState, sr[13]) },
    { "sr14", offsetof(CPUPPCState, sr[14]) },
    { "sr15", offsetof(CPUPPCState, sr[15]) },
S
Scott Wood 已提交
2965
    /* Too lazy to put BATs... */
2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 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 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033
    { "pvr", offsetof(CPUPPCState, spr[SPR_PVR]) },

    { "srr0", offsetof(CPUPPCState, spr[SPR_SRR0]) },
    { "srr1", offsetof(CPUPPCState, spr[SPR_SRR1]) },
    { "sprg0", offsetof(CPUPPCState, spr[SPR_SPRG0]) },
    { "sprg1", offsetof(CPUPPCState, spr[SPR_SPRG1]) },
    { "sprg2", offsetof(CPUPPCState, spr[SPR_SPRG2]) },
    { "sprg3", offsetof(CPUPPCState, spr[SPR_SPRG3]) },
    { "sprg4", offsetof(CPUPPCState, spr[SPR_SPRG4]) },
    { "sprg5", offsetof(CPUPPCState, spr[SPR_SPRG5]) },
    { "sprg6", offsetof(CPUPPCState, spr[SPR_SPRG6]) },
    { "sprg7", offsetof(CPUPPCState, spr[SPR_SPRG7]) },
    { "pid", offsetof(CPUPPCState, spr[SPR_BOOKE_PID]) },
    { "csrr0", offsetof(CPUPPCState, spr[SPR_BOOKE_CSRR0]) },
    { "csrr1", offsetof(CPUPPCState, spr[SPR_BOOKE_CSRR1]) },
    { "esr", offsetof(CPUPPCState, spr[SPR_BOOKE_ESR]) },
    { "dear", offsetof(CPUPPCState, spr[SPR_BOOKE_DEAR]) },
    { "mcsr", offsetof(CPUPPCState, spr[SPR_BOOKE_MCSR]) },
    { "tsr", offsetof(CPUPPCState, spr[SPR_BOOKE_TSR]) },
    { "tcr", offsetof(CPUPPCState, spr[SPR_BOOKE_TCR]) },
    { "vrsave", offsetof(CPUPPCState, spr[SPR_VRSAVE]) },
    { "pir", offsetof(CPUPPCState, spr[SPR_BOOKE_PIR]) },
    { "mcsrr0", offsetof(CPUPPCState, spr[SPR_BOOKE_MCSRR0]) },
    { "mcsrr1", offsetof(CPUPPCState, spr[SPR_BOOKE_MCSRR1]) },
    { "decar", offsetof(CPUPPCState, spr[SPR_BOOKE_DECAR]) },
    { "ivpr", offsetof(CPUPPCState, spr[SPR_BOOKE_IVPR]) },
    { "epcr", offsetof(CPUPPCState, spr[SPR_BOOKE_EPCR]) },
    { "sprg8", offsetof(CPUPPCState, spr[SPR_BOOKE_SPRG8]) },
    { "ivor0", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR0]) },
    { "ivor1", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR1]) },
    { "ivor2", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR2]) },
    { "ivor3", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR3]) },
    { "ivor4", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR4]) },
    { "ivor5", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR5]) },
    { "ivor6", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR6]) },
    { "ivor7", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR7]) },
    { "ivor8", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR8]) },
    { "ivor9", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR9]) },
    { "ivor10", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR10]) },
    { "ivor11", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR11]) },
    { "ivor12", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR12]) },
    { "ivor13", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR13]) },
    { "ivor14", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR14]) },
    { "ivor15", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR15]) },
    { "ivor32", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR32]) },
    { "ivor33", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR33]) },
    { "ivor34", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR34]) },
    { "ivor35", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR35]) },
    { "ivor36", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR36]) },
    { "ivor37", offsetof(CPUPPCState, spr[SPR_BOOKE_IVOR37]) },
    { "mas0", offsetof(CPUPPCState, spr[SPR_BOOKE_MAS0]) },
    { "mas1", offsetof(CPUPPCState, spr[SPR_BOOKE_MAS1]) },
    { "mas2", offsetof(CPUPPCState, spr[SPR_BOOKE_MAS2]) },
    { "mas3", offsetof(CPUPPCState, spr[SPR_BOOKE_MAS3]) },
    { "mas4", offsetof(CPUPPCState, spr[SPR_BOOKE_MAS4]) },
    { "mas6", offsetof(CPUPPCState, spr[SPR_BOOKE_MAS6]) },
    { "mas7", offsetof(CPUPPCState, spr[SPR_BOOKE_MAS7]) },
    { "mmucfg", offsetof(CPUPPCState, spr[SPR_MMUCFG]) },
    { "tlb0cfg", offsetof(CPUPPCState, spr[SPR_BOOKE_TLB0CFG]) },
    { "tlb1cfg", offsetof(CPUPPCState, spr[SPR_BOOKE_TLB1CFG]) },
    { "epr", offsetof(CPUPPCState, spr[SPR_BOOKE_EPR]) },
    { "eplc", offsetof(CPUPPCState, spr[SPR_BOOKE_EPLC]) },
    { "epsc", offsetof(CPUPPCState, spr[SPR_BOOKE_EPSC]) },
    { "svr", offsetof(CPUPPCState, spr[SPR_E500_SVR]) },
    { "mcar", offsetof(CPUPPCState, spr[SPR_Exxx_MCAR]) },
    { "pid1", offsetof(CPUPPCState, spr[SPR_BOOKE_PID1]) },
    { "pid2", offsetof(CPUPPCState, spr[SPR_BOOKE_PID2]) },
    { "hid0", offsetof(CPUPPCState, spr[SPR_HID0]) },
S
Scott Wood 已提交
3034

3035
#elif defined(TARGET_SPARC)
3036 3037 3038 3039 3040 3041 3042 3043
    { "g0", offsetof(CPUSPARCState, gregs[0]) },
    { "g1", offsetof(CPUSPARCState, gregs[1]) },
    { "g2", offsetof(CPUSPARCState, gregs[2]) },
    { "g3", offsetof(CPUSPARCState, gregs[3]) },
    { "g4", offsetof(CPUSPARCState, gregs[4]) },
    { "g5", offsetof(CPUSPARCState, gregs[5]) },
    { "g6", offsetof(CPUSPARCState, gregs[6]) },
    { "g7", offsetof(CPUSPARCState, gregs[7]) },
3044 3045 3046 3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067
    { "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 },
3068 3069 3070
    { "pc", offsetof(CPUSPARCState, pc) },
    { "npc", offsetof(CPUSPARCState, npc) },
    { "y", offsetof(CPUSPARCState, y) },
B
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3071
#ifndef TARGET_SPARC64
3072
    { "psr", 0, &monitor_get_psr, },
3073
    { "wim", offsetof(CPUSPARCState, wim) },
B
bellard 已提交
3074
#endif
3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108
    { "tbr", offsetof(CPUSPARCState, tbr) },
    { "fsr", offsetof(CPUSPARCState, fsr) },
    { "f0", offsetof(CPUSPARCState, fpr[0].l.upper) },
    { "f1", offsetof(CPUSPARCState, fpr[0].l.lower) },
    { "f2", offsetof(CPUSPARCState, fpr[1].l.upper) },
    { "f3", offsetof(CPUSPARCState, fpr[1].l.lower) },
    { "f4", offsetof(CPUSPARCState, fpr[2].l.upper) },
    { "f5", offsetof(CPUSPARCState, fpr[2].l.lower) },
    { "f6", offsetof(CPUSPARCState, fpr[3].l.upper) },
    { "f7", offsetof(CPUSPARCState, fpr[3].l.lower) },
    { "f8", offsetof(CPUSPARCState, fpr[4].l.upper) },
    { "f9", offsetof(CPUSPARCState, fpr[4].l.lower) },
    { "f10", offsetof(CPUSPARCState, fpr[5].l.upper) },
    { "f11", offsetof(CPUSPARCState, fpr[5].l.lower) },
    { "f12", offsetof(CPUSPARCState, fpr[6].l.upper) },
    { "f13", offsetof(CPUSPARCState, fpr[6].l.lower) },
    { "f14", offsetof(CPUSPARCState, fpr[7].l.upper) },
    { "f15", offsetof(CPUSPARCState, fpr[7].l.lower) },
    { "f16", offsetof(CPUSPARCState, fpr[8].l.upper) },
    { "f17", offsetof(CPUSPARCState, fpr[8].l.lower) },
    { "f18", offsetof(CPUSPARCState, fpr[9].l.upper) },
    { "f19", offsetof(CPUSPARCState, fpr[9].l.lower) },
    { "f20", offsetof(CPUSPARCState, fpr[10].l.upper) },
    { "f21", offsetof(CPUSPARCState, fpr[10].l.lower) },
    { "f22", offsetof(CPUSPARCState, fpr[11].l.upper) },
    { "f23", offsetof(CPUSPARCState, fpr[11].l.lower) },
    { "f24", offsetof(CPUSPARCState, fpr[12].l.upper) },
    { "f25", offsetof(CPUSPARCState, fpr[12].l.lower) },
    { "f26", offsetof(CPUSPARCState, fpr[13].l.upper) },
    { "f27", offsetof(CPUSPARCState, fpr[13].l.lower) },
    { "f28", offsetof(CPUSPARCState, fpr[14].l.upper) },
    { "f29", offsetof(CPUSPARCState, fpr[14].l.lower) },
    { "f30", offsetof(CPUSPARCState, fpr[15].l.upper) },
    { "f31", offsetof(CPUSPARCState, fpr[15].l.lower) },
B
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3109
#ifdef TARGET_SPARC64
3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133
    { "f32", offsetof(CPUSPARCState, fpr[16]) },
    { "f34", offsetof(CPUSPARCState, fpr[17]) },
    { "f36", offsetof(CPUSPARCState, fpr[18]) },
    { "f38", offsetof(CPUSPARCState, fpr[19]) },
    { "f40", offsetof(CPUSPARCState, fpr[20]) },
    { "f42", offsetof(CPUSPARCState, fpr[21]) },
    { "f44", offsetof(CPUSPARCState, fpr[22]) },
    { "f46", offsetof(CPUSPARCState, fpr[23]) },
    { "f48", offsetof(CPUSPARCState, fpr[24]) },
    { "f50", offsetof(CPUSPARCState, fpr[25]) },
    { "f52", offsetof(CPUSPARCState, fpr[26]) },
    { "f54", offsetof(CPUSPARCState, fpr[27]) },
    { "f56", offsetof(CPUSPARCState, fpr[28]) },
    { "f58", offsetof(CPUSPARCState, fpr[29]) },
    { "f60", offsetof(CPUSPARCState, fpr[30]) },
    { "f62", offsetof(CPUSPARCState, fpr[31]) },
    { "asi", offsetof(CPUSPARCState, asi) },
    { "pstate", offsetof(CPUSPARCState, pstate) },
    { "cansave", offsetof(CPUSPARCState, cansave) },
    { "canrestore", offsetof(CPUSPARCState, canrestore) },
    { "otherwin", offsetof(CPUSPARCState, otherwin) },
    { "wstate", offsetof(CPUSPARCState, wstate) },
    { "cleanwin", offsetof(CPUSPARCState, cleanwin) },
    { "fprs", offsetof(CPUSPARCState, fprs) },
B
bellard 已提交
3134
#endif
3135 3136 3137 3138
#endif
    { NULL },
};

A
aliguori 已提交
3139
static void expr_error(Monitor *mon, const char *msg)
B
bellard 已提交
3140
{
A
aliguori 已提交
3141
    monitor_printf(mon, "%s\n", msg);
3142 3143 3144
    longjmp(expr_env, 1);
}

3145
/* return 0 if OK, -1 if not found */
B
bellard 已提交
3146
static int get_monitor_def(target_long *pval, const char *name)
3147
{
B
blueswir1 已提交
3148
    const MonitorDef *md;
B
bellard 已提交
3149 3150
    void *ptr;

3151 3152 3153
    for(md = monitor_defs; md->name != NULL; md++) {
        if (compare_cmd(name, md->name)) {
            if (md->get_value) {
3154
                *pval = md->get_value(md, md->offset);
3155
            } else {
3156
                CPUArchState *env = mon_get_cpu();
B
bellard 已提交
3157
                ptr = (uint8_t *)env + md->offset;
B
bellard 已提交
3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168
                switch(md->type) {
                case MD_I32:
                    *pval = *(int32_t *)ptr;
                    break;
                case MD_TLONG:
                    *pval = *(target_long *)ptr;
                    break;
                default:
                    *pval = 0;
                    break;
                }
3169 3170 3171 3172 3173 3174 3175 3176 3177
            }
            return 0;
        }
    }
    return -1;
}

static void next(void)
{
3178
    if (*pch != '\0') {
3179
        pch++;
3180
        while (qemu_isspace(*pch))
3181 3182 3183 3184
            pch++;
    }
}

A
aliguori 已提交
3185
static int64_t expr_sum(Monitor *mon);
3186

A
aliguori 已提交
3187
static int64_t expr_unary(Monitor *mon)
3188
{
B
blueswir1 已提交
3189
    int64_t n;
3190
    char *p;
B
bellard 已提交
3191
    int ret;
3192 3193 3194 3195

    switch(*pch) {
    case '+':
        next();
A
aliguori 已提交
3196
        n = expr_unary(mon);
3197 3198 3199
        break;
    case '-':
        next();
A
aliguori 已提交
3200
        n = -expr_unary(mon);
3201 3202 3203
        break;
    case '~':
        next();
A
aliguori 已提交
3204
        n = ~expr_unary(mon);
3205 3206 3207
        break;
    case '(':
        next();
A
aliguori 已提交
3208
        n = expr_sum(mon);
3209
        if (*pch != ')') {
A
aliguori 已提交
3210
            expr_error(mon, "')' expected");
3211 3212 3213
        }
        next();
        break;
B
bellard 已提交
3214 3215 3216
    case '\'':
        pch++;
        if (*pch == '\0')
A
aliguori 已提交
3217
            expr_error(mon, "character constant expected");
B
bellard 已提交
3218 3219 3220
        n = *pch;
        pch++;
        if (*pch != '\'')
A
aliguori 已提交
3221
            expr_error(mon, "missing terminating \' character");
B
bellard 已提交
3222 3223
        next();
        break;
3224 3225 3226
    case '$':
        {
            char buf[128], *q;
3227
            target_long reg=0;
3228

3229 3230 3231 3232 3233
            pch++;
            q = buf;
            while ((*pch >= 'a' && *pch <= 'z') ||
                   (*pch >= 'A' && *pch <= 'Z') ||
                   (*pch >= '0' && *pch <= '9') ||
B
bellard 已提交
3234
                   *pch == '_' || *pch == '.') {
3235 3236 3237 3238
                if ((q - buf) < sizeof(buf) - 1)
                    *q++ = *pch;
                pch++;
            }
3239
            while (qemu_isspace(*pch))
3240 3241
                pch++;
            *q = 0;
3242
            ret = get_monitor_def(&reg, buf);
3243
            if (ret < 0)
A
aliguori 已提交
3244
                expr_error(mon, "unknown register");
3245
            n = reg;
3246 3247 3248
        }
        break;
    case '\0':
A
aliguori 已提交
3249
        expr_error(mon, "unexpected end of expression");
3250 3251 3252
        n = 0;
        break;
    default:
3253
        errno = 0;
B
bellard 已提交
3254
        n = strtoull(pch, &p, 0);
3255 3256 3257
        if (errno == ERANGE) {
            expr_error(mon, "number too large");
        }
3258
        if (pch == p) {
A
aliguori 已提交
3259
            expr_error(mon, "invalid char in expression");
3260 3261
        }
        pch = p;
3262
        while (qemu_isspace(*pch))
3263 3264 3265 3266 3267 3268 3269
            pch++;
        break;
    }
    return n;
}


A
aliguori 已提交
3270
static int64_t expr_prod(Monitor *mon)
3271
{
B
blueswir1 已提交
3272
    int64_t val, val2;
B
bellard 已提交
3273
    int op;
3274

A
aliguori 已提交
3275
    val = expr_unary(mon);
3276 3277 3278 3279 3280
    for(;;) {
        op = *pch;
        if (op != '*' && op != '/' && op != '%')
            break;
        next();
A
aliguori 已提交
3281
        val2 = expr_unary(mon);
3282 3283 3284 3285 3286 3287 3288
        switch(op) {
        default:
        case '*':
            val *= val2;
            break;
        case '/':
        case '%':
3289
            if (val2 == 0)
A
aliguori 已提交
3290
                expr_error(mon, "division by zero");
3291 3292 3293 3294 3295 3296 3297 3298 3299 3300
            if (op == '/')
                val /= val2;
            else
                val %= val2;
            break;
        }
    }
    return val;
}

A
aliguori 已提交
3301
static int64_t expr_logic(Monitor *mon)
3302
{
B
blueswir1 已提交
3303
    int64_t val, val2;
B
bellard 已提交
3304
    int op;
3305

A
aliguori 已提交
3306
    val = expr_prod(mon);
3307 3308 3309 3310 3311
    for(;;) {
        op = *pch;
        if (op != '&' && op != '|' && op != '^')
            break;
        next();
A
aliguori 已提交
3312
        val2 = expr_prod(mon);
3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326 3327 3328
        switch(op) {
        default:
        case '&':
            val &= val2;
            break;
        case '|':
            val |= val2;
            break;
        case '^':
            val ^= val2;
            break;
        }
    }
    return val;
}

A
aliguori 已提交
3329
static int64_t expr_sum(Monitor *mon)
3330
{
B
blueswir1 已提交
3331
    int64_t val, val2;
B
bellard 已提交
3332
    int op;
3333

A
aliguori 已提交
3334
    val = expr_logic(mon);
3335 3336 3337 3338 3339
    for(;;) {
        op = *pch;
        if (op != '+' && op != '-')
            break;
        next();
A
aliguori 已提交
3340
        val2 = expr_logic(mon);
3341 3342 3343 3344 3345 3346 3347 3348
        if (op == '+')
            val += val2;
        else
            val -= val2;
    }
    return val;
}

A
aliguori 已提交
3349
static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
3350 3351 3352 3353 3354 3355
{
    pch = *pp;
    if (setjmp(expr_env)) {
        *pp = pch;
        return -1;
    }
3356
    while (qemu_isspace(*pch))
3357
        pch++;
A
aliguori 已提交
3358
    *pval = expr_sum(mon);
3359 3360 3361 3362
    *pp = pch;
    return 0;
}

3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383
static int get_double(Monitor *mon, double *pval, const char **pp)
{
    const char *p = *pp;
    char *tailp;
    double d;

    d = strtod(p, &tailp);
    if (tailp == p) {
        monitor_printf(mon, "Number expected\n");
        return -1;
    }
    if (d != d || d - d != 0) {
        /* NaN or infinity */
        monitor_printf(mon, "Bad number\n");
        return -1;
    }
    *pval = d;
    *pp = tailp;
    return 0;
}

3384 3385 3386 3387 3388 3389
static int get_str(char *buf, int buf_size, const char **pp)
{
    const char *p;
    char *q;
    int c;

B
bellard 已提交
3390
    q = buf;
3391
    p = *pp;
3392
    while (qemu_isspace(*p))
3393 3394 3395
        p++;
    if (*p == '\0') {
    fail:
B
bellard 已提交
3396
        *q = '\0';
3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431
        *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
3432
            qemu_printf("unterminated string\n");
3433 3434 3435 3436
            goto fail;
        }
        p++;
    } else {
3437
        while (*p != '\0' && !qemu_isspace(*p)) {
3438 3439 3440 3441 3442 3443
            if ((q - buf) < buf_size - 1) {
                *q++ = *p;
            }
            p++;
        }
    }
B
bellard 已提交
3444
    *q = '\0';
3445 3446 3447 3448
    *pp = p;
    return 0;
}

3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474
/*
 * 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;
}

3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493
/**
 * 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;

3494
    str = g_malloc(len + 1);
3495 3496 3497 3498 3499 3500 3501
    memcpy(str, type, len);
    str[len] = '\0';

    *key = str;
    return ++p;
}

3502 3503 3504 3505 3506
static int default_fmt_format = 'x';
static int default_fmt_size = 4;

#define MAX_ARGS 16

3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518
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);
}

3519 3520
static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table,
                                              const char *cmdname)
3521 3522 3523
{
    const mon_cmd_t *cmd;

3524
    for (cmd = disp_table; cmd->name != NULL; cmd++) {
3525 3526 3527 3528 3529 3530 3531 3532
        if (compare_cmd(cmdname, cmd->name)) {
            return cmd;
        }
    }

    return NULL;
}

3533 3534 3535 3536 3537
static const mon_cmd_t *monitor_find_command(const char *cmdname)
{
    return search_dispatch_table(mon_cmds, cmdname);
}

L
Luiz Capitulino 已提交
3538 3539
static const mon_cmd_t *qmp_find_cmd(const char *cmdname)
{
3540
    return search_dispatch_table(qmp_cmds, cmdname);
L
Luiz Capitulino 已提交
3541 3542
}

A
Anthony Liguori 已提交
3543
static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3544 3545
                                              const char *cmdline,
                                              QDict *qdict)
3546
{
3547
    const char *p, *typestr;
3548
    int c;
A
Anthony Liguori 已提交
3549
    const mon_cmd_t *cmd;
3550 3551
    char cmdname[256];
    char buf[1024];
3552
    char *key;
B
bellard 已提交
3553 3554

#ifdef DEBUG
A
aliguori 已提交
3555
    monitor_printf(mon, "command='%s'\n", cmdline);
B
bellard 已提交
3556
#endif
3557

3558
    /* extract the command name */
3559 3560
    p = get_command_name(cmdline, cmdname, sizeof(cmdname));
    if (!p)
3561
        return NULL;
3562

3563 3564
    cmd = monitor_find_command(cmdname);
    if (!cmd) {
L
Luiz Capitulino 已提交
3565
        monitor_printf(mon, "unknown command: '%s'\n", cmdname);
3566
        return NULL;
3567 3568 3569 3570
    }

    /* parse the parameters */
    typestr = cmd->args_type;
B
bellard 已提交
3571
    for(;;) {
3572 3573
        typestr = key_get_info(typestr, &key);
        if (!typestr)
B
bellard 已提交
3574
            break;
3575
        c = *typestr;
3576 3577 3578
        typestr++;
        switch(c) {
        case 'F':
B
bellard 已提交
3579
        case 'B':
3580 3581 3582
        case 's':
            {
                int ret;
3583

3584
                while (qemu_isspace(*p))
3585 3586 3587 3588 3589
                    p++;
                if (*typestr == '?') {
                    typestr++;
                    if (*p == '\0') {
                        /* no optional string: NULL argument */
3590
                        break;
3591 3592 3593 3594
                    }
                }
                ret = get_str(buf, sizeof(buf), &p);
                if (ret < 0) {
B
bellard 已提交
3595 3596
                    switch(c) {
                    case 'F':
A
aliguori 已提交
3597 3598
                        monitor_printf(mon, "%s: filename expected\n",
                                       cmdname);
B
bellard 已提交
3599 3600
                        break;
                    case 'B':
A
aliguori 已提交
3601 3602
                        monitor_printf(mon, "%s: block device name expected\n",
                                       cmdname);
B
bellard 已提交
3603 3604
                        break;
                    default:
A
aliguori 已提交
3605
                        monitor_printf(mon, "%s: string expected\n", cmdname);
B
bellard 已提交
3606 3607
                        break;
                    }
3608 3609
                    goto fail;
                }
3610
                qdict_put(qdict, key, qstring_from_str(buf));
3611
            }
B
bellard 已提交
3612
            break;
3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637
        case 'O':
            {
                QemuOptsList *opts_list;
                QemuOpts *opts;

                opts_list = qemu_find_opts(key);
                if (!opts_list || opts_list->desc->name) {
                    goto bad_type;
                }
                while (qemu_isspace(*p)) {
                    p++;
                }
                if (!*p)
                    break;
                if (get_str(buf, sizeof(buf), &p) < 0) {
                    goto fail;
                }
                opts = qemu_opts_parse(opts_list, buf, 1);
                if (!opts) {
                    goto fail;
                }
                qemu_opts_to_qdict(opts, qdict);
                qemu_opts_del(opts);
            }
            break;
3638 3639 3640
        case '/':
            {
                int count, format, size;
3641

3642
                while (qemu_isspace(*p))
3643 3644 3645 3646 3647
                    p++;
                if (*p == '/') {
                    /* format found */
                    p++;
                    count = 1;
3648
                    if (qemu_isdigit(*p)) {
3649
                        count = 0;
3650
                        while (qemu_isdigit(*p)) {
3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678 3679 3680 3681 3682 3683 3684 3685 3686 3687 3688
                            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:
3689
                    if (*p != '\0' && !qemu_isspace(*p)) {
A
aliguori 已提交
3690 3691
                        monitor_printf(mon, "invalid char in format: '%c'\n",
                                       *p);
3692 3693 3694 3695
                        goto fail;
                    }
                    if (format < 0)
                        format = default_fmt_format;
3696 3697 3698 3699
                    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
3700
                        default_fmt_size = size;
3701
                    }
3702 3703 3704 3705
                    default_fmt_format = format;
                } else {
                    count = 1;
                    format = default_fmt_format;
3706 3707 3708 3709 3710
                    if (format != 'i') {
                        size = default_fmt_size;
                    } else {
                        size = -1;
                    }
3711
                }
3712 3713 3714
                qdict_put(qdict, "count", qint_from_int(count));
                qdict_put(qdict, "format", qint_from_int(format));
                qdict_put(qdict, "size", qint_from_int(size));
3715
            }
B
bellard 已提交
3716
            break;
3717
        case 'i':
B
bellard 已提交
3718
        case 'l':
3719
        case 'M':
3720
            {
B
blueswir1 已提交
3721
                int64_t val;
3722

3723
                while (qemu_isspace(*p))
3724
                    p++;
B
bellard 已提交
3725 3726
                if (*typestr == '?' || *typestr == '.') {
                    if (*typestr == '?') {
3727 3728 3729 3730
                        if (*p == '\0') {
                            typestr++;
                            break;
                        }
B
bellard 已提交
3731 3732 3733
                    } else {
                        if (*p == '.') {
                            p++;
3734
                            while (qemu_isspace(*p))
B
bellard 已提交
3735 3736
                                p++;
                        } else {
3737 3738
                            typestr++;
                            break;
B
bellard 已提交
3739 3740
                        }
                    }
B
bellard 已提交
3741
                    typestr++;
3742
                }
A
aliguori 已提交
3743
                if (get_expr(mon, &val, &p))
3744
                    goto fail;
3745 3746 3747 3748 3749
                /* 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;
3750
                } else if (c == 'M') {
3751 3752 3753 3754
                    if (val < 0) {
                        monitor_printf(mon, "enter a positive value\n");
                        goto fail;
                    }
3755
                    val <<= 20;
3756
                }
3757
                qdict_put(qdict, key, qint_from_int(val));
3758 3759
            }
            break;
3760 3761
        case 'o':
            {
3762
                int64_t val;
3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782
                char *end;

                while (qemu_isspace(*p)) {
                    p++;
                }
                if (*typestr == '?') {
                    typestr++;
                    if (*p == '\0') {
                        break;
                    }
                }
                val = strtosz(p, &end);
                if (val < 0) {
                    monitor_printf(mon, "invalid size\n");
                    goto fail;
                }
                qdict_put(qdict, key, qint_from_int(val));
                p = end;
            }
            break;
3783
        case 'T':
3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797
            {
                double val;

                while (qemu_isspace(*p))
                    p++;
                if (*typestr == '?') {
                    typestr++;
                    if (*p == '\0') {
                        break;
                    }
                }
                if (get_double(mon, &val, &p) < 0) {
                    goto fail;
                }
3798
                if (p[0] && p[1] == 's') {
3799 3800 3801 3802 3803 3804 3805 3806 3807
                    switch (*p) {
                    case 'm':
                        val /= 1e3; p += 2; break;
                    case 'u':
                        val /= 1e6; p += 2; break;
                    case 'n':
                        val /= 1e9; p += 2; break;
                    }
                }
3808 3809 3810 3811 3812 3813 3814
                if (*p && !qemu_isspace(*p)) {
                    monitor_printf(mon, "Unknown unit suffix\n");
                    goto fail;
                }
                qdict_put(qdict, key, qfloat_from_double(val));
            }
            break;
3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837
        case 'b':
            {
                const char *beg;
                int val;

                while (qemu_isspace(*p)) {
                    p++;
                }
                beg = p;
                while (qemu_isgraph(*p)) {
                    p++;
                }
                if (p - beg == 2 && !memcmp(beg, "on", p - beg)) {
                    val = 1;
                } else if (p - beg == 3 && !memcmp(beg, "off", p - beg)) {
                    val = 0;
                } else {
                    monitor_printf(mon, "Expected 'on' or 'off'\n");
                    goto fail;
                }
                qdict_put(qdict, key, qbool_from_int(val));
            }
            break;
3838 3839
        case '-':
            {
3840
                const char *tmp = p;
3841
                int skip_key = 0;
3842
                /* option */
3843

3844 3845 3846
                c = *typestr++;
                if (c == '\0')
                    goto bad_type;
3847
                while (qemu_isspace(*p))
3848 3849 3850
                    p++;
                if (*p == '-') {
                    p++;
3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863
                    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 {
3864
                        /* has option */
3865
                        p++;
3866
                        qdict_put(qdict, key, qbool_from_int(1));
3867 3868 3869 3870 3871 3872
                    }
                }
            }
            break;
        default:
        bad_type:
A
aliguori 已提交
3873
            monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
3874 3875
            goto fail;
        }
3876
        g_free(key);
3877
        key = NULL;
B
bellard 已提交
3878
    }
3879
    /* check that all arguments were parsed */
3880
    while (qemu_isspace(*p))
3881 3882
        p++;
    if (*p != '\0') {
A
aliguori 已提交
3883 3884
        monitor_printf(mon, "%s: extraneous characters at the end of line\n",
                       cmdname);
3885
        goto fail;
B
bellard 已提交
3886
    }
3887

3888
    return cmd;
G
Gerd Hoffmann 已提交
3889

3890
fail:
3891
    g_free(key);
3892 3893 3894
    return NULL;
}

3895 3896 3897 3898 3899 3900 3901 3902 3903 3904
void monitor_set_error(Monitor *mon, QError *qerror)
{
    /* report only the first error */
    if (!mon->error) {
        mon->error = qerror;
    } else {
        QDECREF(qerror);
    }
}

L
Luiz Capitulino 已提交
3905 3906
static void handler_audit(Monitor *mon, const mon_cmd_t *cmd, int ret)
{
L
Luiz Capitulino 已提交
3907 3908 3909 3910 3911 3912 3913 3914
    if (ret && !monitor_has_error(mon)) {
        /*
         * If it returns failure, it must have passed on error.
         *
         * Action: Report an internal error to the client if in QMP.
         */
        qerror_report(QERR_UNDEFINED_ERROR);
    }
L
Luiz Capitulino 已提交
3915 3916
}

3917
static void handle_user_command(Monitor *mon, const char *cmdline)
3918 3919
{
    QDict *qdict;
A
Anthony Liguori 已提交
3920
    const mon_cmd_t *cmd;
3921 3922 3923

    qdict = qdict_new();

L
Luiz Capitulino 已提交
3924
    cmd = monitor_parse_command(mon, cmdline, qdict);
3925 3926 3927
    if (!cmd)
        goto out;

3928
    if (handler_is_async(cmd)) {
3929
        user_async_cmd_handler(mon, cmd, qdict);
3930
    } else if (handler_is_qobject(cmd)) {
3931 3932 3933 3934 3935 3936 3937 3938 3939
        QObject *data = NULL;

        /* XXX: ignores the error code */
        cmd->mhandler.cmd_new(mon, qdict, &data);
        assert(!monitor_has_error(mon));
        if (data) {
            cmd->user_print(mon, data);
            qobject_decref(data);
        }
3940
    } else {
3941
        cmd->mhandler.cmd(mon, qdict);
3942 3943
    }

3944
out:
3945
    QDECREF(qdict);
B
bellard 已提交
3946 3947
}

B
bellard 已提交
3948 3949 3950 3951 3952 3953 3954 3955 3956 3957 3958 3959 3960 3961 3962 3963 3964 3965
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))) {
3966
            readline_add_completion(cur_mon->rs, cmd);
B
bellard 已提交
3967 3968 3969 3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981 3982
        }
        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;

3983
    p = strrchr(input, '/');
B
bellard 已提交
3984 3985 3986
    if (!p) {
        input_path_len = 0;
        pstrcpy(file_prefix, sizeof(file_prefix), input);
B
blueswir1 已提交
3987
        pstrcpy(path, sizeof(path), ".");
B
bellard 已提交
3988 3989 3990 3991 3992 3993 3994 3995 3996
    } 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
3997 3998
    monitor_printf(cur_mon, "input='%s' path='%s' prefix='%s'\n",
                   input, path, file_prefix);
B
bellard 已提交
3999 4000 4001 4002 4003 4004 4005 4006 4007
#endif
    ffs = opendir(path);
    if (!ffs)
        return;
    for(;;) {
        struct stat sb;
        d = readdir(ffs);
        if (!d)
            break;
4008 4009 4010 4011 4012

        if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0) {
            continue;
        }

B
bellard 已提交
4013 4014
        if (strstart(d->d_name, file_prefix, NULL)) {
            memcpy(file, input, input_path_len);
B
blueswir1 已提交
4015 4016 4017
            if (input_path_len < sizeof(file))
                pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
                        d->d_name);
B
bellard 已提交
4018 4019 4020
            /* stat the file to find out if it's a directory.
             * In that case add a slash to speed up typing long paths
             */
4021
            if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) {
B
blueswir1 已提交
4022
                pstrcat(file, sizeof(file), "/");
4023
            }
4024
            readline_add_completion(cur_mon->rs, file);
B
bellard 已提交
4025 4026 4027 4028 4029
        }
    }
    closedir(ffs);
}

4030
static void block_completion_it(void *opaque, BlockDriverState *bs)
B
bellard 已提交
4031
{
4032
    const char *name = bdrv_get_device_name(bs);
B
bellard 已提交
4033 4034 4035 4036
    const char *input = opaque;

    if (input[0] == '\0' ||
        !strncmp(name, (char *)input, strlen(input))) {
4037
        readline_add_completion(cur_mon->rs, name);
B
bellard 已提交
4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049 4050 4051
    }
}

/* 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(;;) {
4052
        while (qemu_isspace(*p))
B
bellard 已提交
4053 4054 4055 4056 4057 4058
            p++;
        if (*p == '\0')
            break;
        if (nb_args >= MAX_ARGS)
            break;
        ret = get_str(buf, sizeof(buf), &p);
4059
        args[nb_args] = g_strdup(buf);
B
bellard 已提交
4060 4061 4062 4063 4064 4065 4066
        nb_args++;
        if (ret < 0)
            break;
    }
    *pnb_args = nb_args;
}

4067 4068 4069 4070 4071 4072
static const char *next_arg_type(const char *typestr)
{
    const char *p = strchr(typestr, ':');
    return (p != NULL ? ++p : typestr);
}

4073
static void monitor_find_completion(const char *cmdline)
B
bellard 已提交
4074 4075 4076 4077 4078
{
    const char *cmdname;
    char *args[MAX_ARGS];
    int nb_args, i, len;
    const char *ptype, *str;
A
Anthony Liguori 已提交
4079
    const mon_cmd_t *cmd;
B
bellard 已提交
4080 4081 4082 4083

    parse_cmdline(cmdline, &nb_args, args);
#ifdef DEBUG_COMPLETION
    for(i = 0; i < nb_args; i++) {
A
aliguori 已提交
4084
        monitor_printf(cur_mon, "arg%d = '%s'\n", i, (char *)args[i]);
B
bellard 已提交
4085 4086 4087 4088 4089 4090
    }
#endif

    /* if the line ends with a space, it means we want to complete the
       next arg */
    len = strlen(cmdline);
4091
    if (len > 0 && qemu_isspace(cmdline[len - 1])) {
4092 4093 4094
        if (nb_args >= MAX_ARGS) {
            goto cleanup;
        }
4095
        args[nb_args++] = g_strdup("");
B
bellard 已提交
4096 4097 4098 4099 4100 4101 4102
    }
    if (nb_args <= 1) {
        /* command completion */
        if (nb_args == 0)
            cmdname = "";
        else
            cmdname = args[0];
4103
        readline_set_completion_index(cur_mon->rs, strlen(cmdname));
A
aliguori 已提交
4104
        for(cmd = mon_cmds; cmd->name != NULL; cmd++) {
B
bellard 已提交
4105 4106 4107 4108
            cmd_completion(cmdname, cmd->name);
        }
    } else {
        /* find the command */
4109 4110 4111 4112
        for (cmd = mon_cmds; cmd->name != NULL; cmd++) {
            if (compare_cmd(args[0], cmd->name)) {
                break;
            }
B
bellard 已提交
4113
        }
4114 4115 4116 4117
        if (!cmd->name) {
            goto cleanup;
        }

4118
        ptype = next_arg_type(cmd->args_type);
B
bellard 已提交
4119 4120
        for(i = 0; i < nb_args - 2; i++) {
            if (*ptype != '\0') {
4121
                ptype = next_arg_type(ptype);
B
bellard 已提交
4122
                while (*ptype == '?')
4123
                    ptype = next_arg_type(ptype);
B
bellard 已提交
4124 4125 4126
            }
        }
        str = args[nb_args - 1];
4127
        if (*ptype == '-' && ptype[1] != '\0') {
4128
            ptype = next_arg_type(ptype);
4129
        }
B
bellard 已提交
4130 4131 4132
        switch(*ptype) {
        case 'F':
            /* file completion */
4133
            readline_set_completion_index(cur_mon->rs, strlen(str));
B
bellard 已提交
4134 4135 4136 4137
            file_completion(str);
            break;
        case 'B':
            /* block device name completion */
4138
            readline_set_completion_index(cur_mon->rs, strlen(str));
B
bellard 已提交
4139 4140
            bdrv_iterate(block_completion_it, (void *)str);
            break;
B
bellard 已提交
4141 4142 4143
        case 's':
            /* XXX: more generic ? */
            if (!strcmp(cmd->name, "info")) {
4144
                readline_set_completion_index(cur_mon->rs, strlen(str));
B
bellard 已提交
4145 4146 4147
                for(cmd = info_cmds; cmd->name != NULL; cmd++) {
                    cmd_completion(str, cmd->name);
                }
4148
            } else if (!strcmp(cmd->name, "sendkey")) {
B
blueswir1 已提交
4149 4150 4151
                char *sep = strrchr(str, '-');
                if (sep)
                    str = sep + 1;
4152
                readline_set_completion_index(cur_mon->rs, strlen(str));
4153 4154
                for (i = 0; i < Q_KEY_CODE_MAX; i++) {
                    cmd_completion(str, QKeyCode_lookup[i]);
4155
                }
4156 4157 4158 4159 4160
            } 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
4161 4162
            }
            break;
B
bellard 已提交
4163 4164 4165 4166
        default:
            break;
        }
    }
4167 4168 4169

cleanup:
    for (i = 0; i < nb_args; i++) {
4170
        g_free(args[i]);
4171
    }
B
bellard 已提交
4172 4173
}

4174
static int monitor_can_read(void *opaque)
B
bellard 已提交
4175
{
4176 4177
    Monitor *mon = opaque;

J
Jan Kiszka 已提交
4178
    return (mon->suspend_cnt == 0) ? 1 : 0;
B
bellard 已提交
4179 4180
}

4181
static int invalid_qmp_mode(const Monitor *mon, const char *cmd_name)
L
Luiz Capitulino 已提交
4182
{
4183 4184
    int is_cap = compare_cmd(cmd_name, "qmp_capabilities");
    return (qmp_cmd_mode(mon) ? is_cap : !is_cap);
L
Luiz Capitulino 已提交
4185 4186
}

4187 4188 4189 4190 4191 4192 4193 4194 4195 4196 4197 4198
/*
 * Argument validation rules:
 *
 * 1. The argument must exist in cmd_args qdict
 * 2. The argument type must be the expected one
 *
 * Special case: If the argument doesn't exist in cmd_args and
 *               the QMP_ACCEPT_UNKNOWNS flag is set, then the
 *               checking is skipped for it.
 */
static int check_client_args_type(const QDict *client_args,
                                  const QDict *cmd_args, int flags)
L
Luiz Capitulino 已提交
4199
{
4200
    const QDictEntry *ent;
L
Luiz Capitulino 已提交
4201

4202 4203 4204 4205 4206 4207 4208 4209 4210 4211 4212 4213 4214 4215 4216 4217
    for (ent = qdict_first(client_args); ent;ent = qdict_next(client_args,ent)){
        QObject *obj;
        QString *arg_type;
        const QObject *client_arg = qdict_entry_value(ent);
        const char *client_arg_name = qdict_entry_key(ent);

        obj = qdict_get(cmd_args, client_arg_name);
        if (!obj) {
            if (flags & QMP_ACCEPT_UNKNOWNS) {
                /* handler accepts unknowns */
                continue;
            }
            /* client arg doesn't exist */
            qerror_report(QERR_INVALID_PARAMETER, client_arg_name);
            return -1;
        }
L
Luiz Capitulino 已提交
4218

4219 4220
        arg_type = qobject_to_qstring(obj);
        assert(arg_type != NULL);
L
Luiz Capitulino 已提交
4221

4222 4223
        /* check if argument's type is correct */
        switch (qstring_get_str(arg_type)[0]) {
L
Luiz Capitulino 已提交
4224 4225 4226
        case 'F':
        case 'B':
        case 's':
4227 4228 4229
            if (qobject_type(client_arg) != QTYPE_QSTRING) {
                qerror_report(QERR_INVALID_PARAMETER_TYPE, client_arg_name,
                              "string");
L
Luiz Capitulino 已提交
4230 4231
                return -1;
            }
4232
        break;
L
Luiz Capitulino 已提交
4233 4234
        case 'i':
        case 'l':
4235
        case 'M':
4236
        case 'o':
4237 4238 4239 4240
            if (qobject_type(client_arg) != QTYPE_QINT) {
                qerror_report(QERR_INVALID_PARAMETER_TYPE, client_arg_name,
                              "int");
                return -1; 
L
Luiz Capitulino 已提交
4241 4242
            }
            break;
4243
        case 'T':
4244 4245 4246 4247 4248
            if (qobject_type(client_arg) != QTYPE_QINT &&
                qobject_type(client_arg) != QTYPE_QFLOAT) {
                qerror_report(QERR_INVALID_PARAMETER_TYPE, client_arg_name,
                              "number");
               return -1; 
4249 4250
            }
            break;
4251
        case 'b':
L
Luiz Capitulino 已提交
4252
        case '-':
4253 4254 4255 4256
            if (qobject_type(client_arg) != QTYPE_QBOOL) {
                qerror_report(QERR_INVALID_PARAMETER_TYPE, client_arg_name,
                              "bool");
               return -1; 
L
Luiz Capitulino 已提交
4257 4258
            }
            break;
4259
        case 'O':
4260 4261
            assert(flags & QMP_ACCEPT_UNKNOWNS);
            break;
4262 4263 4264
        case 'q':
            /* Any QObject can be passed.  */
            break;
4265 4266 4267 4268 4269 4270
        case '/':
        case '.':
            /*
             * These types are not supported by QMP and thus are not
             * handled here. Fall through.
             */
L
Luiz Capitulino 已提交
4271 4272
        default:
            abort();
4273 4274 4275 4276 4277 4278
        }
    }

    return 0;
}

4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300 4301
/*
 * - Check if the client has passed all mandatory args
 * - Set special flags for argument validation
 */
static int check_mandatory_args(const QDict *cmd_args,
                                const QDict *client_args, int *flags)
{
    const QDictEntry *ent;

    for (ent = qdict_first(cmd_args); ent; ent = qdict_next(cmd_args, ent)) {
        const char *cmd_arg_name = qdict_entry_key(ent);
        QString *type = qobject_to_qstring(qdict_entry_value(ent));
        assert(type != NULL);

        if (qstring_get_str(type)[0] == 'O') {
            assert((*flags & QMP_ACCEPT_UNKNOWNS) == 0);
            *flags |= QMP_ACCEPT_UNKNOWNS;
        } else if (qstring_get_str(type)[0] != '-' &&
                   qstring_get_str(type)[1] != '?' &&
                   !qdict_haskey(client_args, cmd_arg_name)) {
            qerror_report(QERR_MISSING_PARAMETER, cmd_arg_name);
            return -1;
        }
L
Luiz Capitulino 已提交
4302 4303 4304 4305 4306
    }

    return 0;
}

4307
static QDict *qdict_from_args_type(const char *args_type)
L
Luiz Capitulino 已提交
4308
{
4309 4310 4311 4312 4313 4314 4315 4316 4317 4318 4319 4320 4321 4322 4323 4324 4325 4326 4327 4328 4329 4330 4331 4332 4333 4334 4335 4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349
    int i;
    QDict *qdict;
    QString *key, *type, *cur_qs;

    assert(args_type != NULL);

    qdict = qdict_new();

    if (args_type == NULL || args_type[0] == '\0') {
        /* no args, empty qdict */
        goto out;
    }

    key = qstring_new();
    type = qstring_new();

    cur_qs = key;

    for (i = 0;; i++) {
        switch (args_type[i]) {
            case ',':
            case '\0':
                qdict_put(qdict, qstring_get_str(key), type);
                QDECREF(key);
                if (args_type[i] == '\0') {
                    goto out;
                }
                type = qstring_new(); /* qdict has ref */
                cur_qs = key = qstring_new();
                break;
            case ':':
                cur_qs = type;
                break;
            default:
                qstring_append_chr(cur_qs, args_type[i]);
                break;
        }
    }

out:
    return qdict;
L
Luiz Capitulino 已提交
4350 4351
}

4352 4353 4354 4355
/*
 * Client argument checking rules:
 *
 * 1. Client must provide all mandatory arguments
4356 4357 4358
 * 2. Each argument provided by the client must be expected
 * 3. Each argument provided by the client must have the type expected
 *    by the command
4359 4360
 */
static int qmp_check_client_args(const mon_cmd_t *cmd, QDict *client_args)
4361
{
4362 4363 4364 4365 4366 4367 4368 4369 4370 4371 4372
    int flags, err;
    QDict *cmd_args;

    cmd_args = qdict_from_args_type(cmd->args_type);

    flags = 0;
    err = check_mandatory_args(cmd_args, client_args, &flags);
    if (err) {
        goto out;
    }

4373
    err = check_client_args_type(client_args, cmd_args, flags);
4374 4375 4376 4377

out:
    QDECREF(cmd_args);
    return err;
4378 4379
}

L
Luiz Capitulino 已提交
4380
/*
4381
 * Input object checking rules
L
Luiz Capitulino 已提交
4382
 *
4383 4384 4385 4386 4387 4388
 * 1. Input object must be a dict
 * 2. The "execute" key must exist
 * 3. The "execute" key must be a string
 * 4. If the "arguments" key exists, it must be a dict
 * 5. If the "id" key exists, it can be anything (ie. json-value)
 * 6. Any argument not listed above is considered invalid
L
Luiz Capitulino 已提交
4389
 */
4390
static QDict *qmp_check_input_obj(QObject *input_obj)
L
Luiz Capitulino 已提交
4391
{
4392 4393 4394
    const QDictEntry *ent;
    int has_exec_key = 0;
    QDict *input_dict;
L
Luiz Capitulino 已提交
4395

4396 4397 4398
    if (qobject_type(input_obj) != QTYPE_QDICT) {
        qerror_report(QERR_QMP_BAD_INPUT_OBJECT, "object");
        return NULL;
L
Luiz Capitulino 已提交
4399 4400
    }

4401
    input_dict = qobject_to_qdict(input_obj);
L
Luiz Capitulino 已提交
4402

4403 4404 4405
    for (ent = qdict_first(input_dict); ent; ent = qdict_next(input_dict, ent)){
        const char *arg_name = qdict_entry_key(ent);
        const QObject *arg_obj = qdict_entry_value(ent);
L
Luiz Capitulino 已提交
4406

4407 4408 4409 4410 4411
        if (!strcmp(arg_name, "execute")) {
            if (qobject_type(arg_obj) != QTYPE_QSTRING) {
                qerror_report(QERR_QMP_BAD_INPUT_OBJECT_MEMBER, "execute",
                              "string");
                return NULL;
4412
            }
4413 4414 4415 4416 4417 4418
            has_exec_key = 1;
        } else if (!strcmp(arg_name, "arguments")) {
            if (qobject_type(arg_obj) != QTYPE_QDICT) {
                qerror_report(QERR_QMP_BAD_INPUT_OBJECT_MEMBER, "arguments",
                              "object");
                return NULL;
L
Luiz Capitulino 已提交
4419
            }
4420 4421
        } else if (!strcmp(arg_name, "id")) {
            /* FIXME: check duplicated IDs for async commands */
L
Luiz Capitulino 已提交
4422
        } else {
4423 4424
            qerror_report(QERR_QMP_EXTRA_MEMBER, arg_name);
            return NULL;
L
Luiz Capitulino 已提交
4425 4426 4427
        }
    }

4428 4429 4430 4431
    if (!has_exec_key) {
        qerror_report(QERR_QMP_BAD_INPUT_OBJECT, "execute");
        return NULL;
    }
L
Luiz Capitulino 已提交
4432

4433
    return input_dict;
4434 4435
}

L
Luiz Capitulino 已提交
4436 4437 4438 4439 4440 4441 4442 4443 4444 4445 4446 4447
static void qmp_call_cmd(Monitor *mon, const mon_cmd_t *cmd,
                         const QDict *params)
{
    int ret;
    QObject *data = NULL;

    ret = cmd->mhandler.cmd_new(mon, params, &data);
    handler_audit(mon, cmd, ret);
    monitor_protocol_emitter(mon, data);
    qobject_decref(data);
}

L
Luiz Capitulino 已提交
4448 4449 4450 4451 4452 4453
static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
{
    int err;
    QObject *obj;
    QDict *input, *args;
    const mon_cmd_t *cmd;
4454
    const char *cmd_name;
L
Luiz Capitulino 已提交
4455 4456
    Monitor *mon = cur_mon;

4457
    args = input = NULL;
L
Luiz Capitulino 已提交
4458 4459 4460 4461

    obj = json_parser_parse(tokens, NULL);
    if (!obj) {
        // FIXME: should be triggered in json_parser_parse()
4462
        qerror_report(QERR_JSON_PARSING);
L
Luiz Capitulino 已提交
4463 4464 4465
        goto err_out;
    }

4466 4467
    input = qmp_check_input_obj(obj);
    if (!input) {
L
Luiz Capitulino 已提交
4468 4469 4470 4471 4472 4473 4474
        qobject_decref(obj);
        goto err_out;
    }

    mon->mc->id = qdict_get(input, "id");
    qobject_incref(mon->mc->id);

4475
    cmd_name = qdict_get_str(input, "execute");
4476
    trace_handle_qmp_command(mon, cmd_name);
4477
    if (invalid_qmp_mode(mon, cmd_name)) {
4478
        qerror_report(QERR_COMMAND_NOT_FOUND, cmd_name);
4479
        goto err_out;
4480 4481
    }

4482
    cmd = qmp_find_cmd(cmd_name);
4483
    if (!cmd) {
4484
        qerror_report(QERR_COMMAND_NOT_FOUND, cmd_name);
4485
        goto err_out;
L
Luiz Capitulino 已提交
4486 4487 4488 4489 4490 4491 4492 4493 4494 4495
    }

    obj = qdict_get(input, "arguments");
    if (!obj) {
        args = qdict_new();
    } else {
        args = qobject_to_qdict(obj);
        QINCREF(args);
    }

4496
    err = qmp_check_client_args(cmd, args);
L
Luiz Capitulino 已提交
4497 4498 4499 4500
    if (err < 0) {
        goto err_out;
    }

4501
    if (handler_is_async(cmd)) {
4502 4503 4504 4505 4506
        err = qmp_async_cmd_handler(mon, cmd, args);
        if (err) {
            /* emit the error response */
            goto err_out;
        }
4507
    } else {
L
Luiz Capitulino 已提交
4508
        qmp_call_cmd(mon, cmd, args);
4509
    }
4510

L
Luiz Capitulino 已提交
4511 4512 4513 4514 4515
    goto out;

err_out:
    monitor_protocol_emitter(mon, NULL);
out:
4516
    QDECREF(input);
L
Luiz Capitulino 已提交
4517 4518 4519
    QDECREF(args);
}

L
Luiz Capitulino 已提交
4520 4521 4522 4523 4524 4525 4526 4527 4528
/**
 * 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;

L
Luiz Capitulino 已提交
4529
    json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
L
Luiz Capitulino 已提交
4530 4531 4532 4533

    cur_mon = old_mon;
}

4534
static void monitor_read(void *opaque, const uint8_t *buf, int size)
B
bellard 已提交
4535
{
4536
    Monitor *old_mon = cur_mon;
4537
    int i;
A
aliguori 已提交
4538

4539 4540
    cur_mon = opaque;

4541 4542 4543 4544 4545 4546 4547
    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
4548
            handle_user_command(cur_mon, (char *)buf);
4549
    }
B
bellard 已提交
4550

4551 4552
    cur_mon = old_mon;
}
4553

A
aliguori 已提交
4554
static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
B
bellard 已提交
4555
{
4556
    monitor_suspend(mon);
4557
    handle_user_command(mon, cmdline);
4558
    monitor_resume(mon);
4559 4560
}

4561
int monitor_suspend(Monitor *mon)
4562
{
4563 4564
    if (!mon->rs)
        return -ENOTTY;
4565
    mon->suspend_cnt++;
4566
    return 0;
4567 4568
}

A
aliguori 已提交
4569
void monitor_resume(Monitor *mon)
4570
{
4571 4572
    if (!mon->rs)
        return;
4573 4574
    if (--mon->suspend_cnt == 0)
        readline_show_prompt(mon->rs);
B
bellard 已提交
4575 4576
}

4577 4578
static QObject *get_qmp_greeting(void)
{
L
Luiz Capitulino 已提交
4579
    QObject *ver = NULL;
4580

L
Luiz Capitulino 已提交
4581
    qmp_marshal_input_query_version(NULL, NULL, &ver);
4582 4583 4584
    return qobject_from_jsonf("{'QMP':{'version': %p,'capabilities': []}}",ver);
}

L
Luiz Capitulino 已提交
4585 4586 4587 4588 4589
/**
 * monitor_control_event(): Print QMP gretting
 */
static void monitor_control_event(void *opaque, int event)
{
4590 4591
    QObject *data;
    Monitor *mon = opaque;
L
Luiz Capitulino 已提交
4592

4593 4594
    switch (event) {
    case CHR_EVENT_OPENED:
4595
        mon->mc->command_mode = 0;
4596
        data = get_qmp_greeting();
L
Luiz Capitulino 已提交
4597 4598
        monitor_json_emitter(mon, data);
        qobject_decref(data);
4599
        mon_refcount++;
4600 4601 4602
        break;
    case CHR_EVENT_CLOSED:
        json_message_parser_destroy(&mon->mc->parser);
4603
        json_message_parser_init(&mon->mc->parser, handle_qmp_command);
4604 4605
        mon_refcount--;
        monitor_fdsets_cleanup();
4606
        break;
L
Luiz Capitulino 已提交
4607 4608 4609
    }
}

4610
static void monitor_event(void *opaque, int event)
4611
{
A
aliguori 已提交
4612 4613
    Monitor *mon = opaque;

4614 4615
    switch (event) {
    case CHR_EVENT_MUX_IN:
G
Gerd Hoffmann 已提交
4616 4617 4618 4619 4620 4621 4622 4623
        mon->mux_out = 0;
        if (mon->reset_seen) {
            readline_restart(mon->rs);
            monitor_resume(mon);
            monitor_flush(mon);
        } else {
            mon->suspend_cnt = 0;
        }
4624 4625 4626
        break;

    case CHR_EVENT_MUX_OUT:
G
Gerd Hoffmann 已提交
4627 4628 4629 4630 4631 4632 4633 4634 4635 4636
        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;
4637
        break;
4638

4639
    case CHR_EVENT_OPENED:
4640 4641
        monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
                       "information\n", QEMU_VERSION);
G
Gerd Hoffmann 已提交
4642
        if (!mon->mux_out) {
4643
            readline_show_prompt(mon->rs);
G
Gerd Hoffmann 已提交
4644 4645
        }
        mon->reset_seen = 1;
4646 4647 4648 4649 4650 4651
        mon_refcount++;
        break;

    case CHR_EVENT_CLOSED:
        mon_refcount--;
        monitor_fdsets_cleanup();
4652 4653
        break;
    }
4654 4655
}

4656 4657 4658 4659 4660 4661 4662 4663 4664 4665 4666 4667 4668 4669 4670 4671 4672 4673 4674
static int
compare_mon_cmd(const void *a, const void *b)
{
    return strcmp(((const mon_cmd_t *)a)->name,
            ((const mon_cmd_t *)b)->name);
}

static void sortcmdlist(void)
{
    int array_num;
    int elem_size = sizeof(mon_cmd_t);

    array_num = sizeof(mon_cmds)/elem_size-1;
    qsort((void *)mon_cmds, array_num, elem_size, compare_mon_cmd);

    array_num = sizeof(info_cmds)/elem_size-1;
    qsort((void *)info_cmds, array_num, elem_size, compare_mon_cmd);
}

4675 4676 4677 4678 4679 4680 4681 4682 4683

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

4684
void monitor_init(CharDriverState *chr, int flags)
B
bellard 已提交
4685
{
4686
    static int is_first_init = 1;
4687
    Monitor *mon;
T
ths 已提交
4688 4689

    if (is_first_init) {
4690
        monitor_protocol_event_init();
T
ths 已提交
4691 4692
        is_first_init = 0;
    }
4693

4694
    mon = g_malloc0(sizeof(*mon));
T
ths 已提交
4695

4696
    mon->chr = chr;
4697
    mon->flags = flags;
4698 4699 4700 4701
    if (flags & MONITOR_USE_READLINE) {
        mon->rs = readline_init(mon, monitor_find_completion);
        monitor_read_command(mon, 0);
    }
4702

L
Luiz Capitulino 已提交
4703
    if (monitor_ctrl_mode(mon)) {
4704
        mon->mc = g_malloc0(sizeof(MonitorControl));
L
Luiz Capitulino 已提交
4705 4706 4707
        /* Control mode requires special handlers */
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
                              monitor_control_event, mon);
4708
        qemu_chr_fe_set_echo(chr, true);
4709 4710

        json_message_parser_init(&mon->mc->parser, handle_qmp_command);
L
Luiz Capitulino 已提交
4711 4712 4713 4714
    } else {
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
                              monitor_event, mon);
    }
4715

B
Blue Swirl 已提交
4716
    QLIST_INSERT_HEAD(&mon_list, mon, entry);
4717 4718
    if (!default_mon || (flags & MONITOR_IS_DEFAULT))
        default_mon = mon;
4719 4720

    sortcmdlist();
B
bellard 已提交
4721 4722
}

A
aliguori 已提交
4723
static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
B
bellard 已提交
4724
{
4725 4726
    BlockDriverState *bs = opaque;
    int ret = 0;
B
bellard 已提交
4727

4728
    if (bdrv_set_key(bs, password) != 0) {
A
aliguori 已提交
4729
        monitor_printf(mon, "invalid password\n");
4730
        ret = -EPERM;
B
bellard 已提交
4731
    }
4732 4733
    if (mon->password_completion_cb)
        mon->password_completion_cb(mon->password_opaque, ret);
4734

4735
    monitor_read_command(mon, 1);
B
bellard 已提交
4736
}
4737

A
Anthony Liguori 已提交
4738 4739 4740 4741 4742
ReadLineState *monitor_get_rs(Monitor *mon)
{
    return mon->rs;
}

4743 4744 4745
int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
                                BlockDriverCompletionFunc *completion_cb,
                                void *opaque)
4746
{
4747 4748
    int err;

4749 4750 4751
    if (!bdrv_key_required(bs)) {
        if (completion_cb)
            completion_cb(opaque, 0);
4752
        return 0;
4753
    }
4754

4755
    if (monitor_ctrl_mode(mon)) {
4756 4757
        qerror_report(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs),
                      bdrv_get_encrypted_filename(bs));
4758
        return -1;
4759 4760
    }

A
aliguori 已提交
4761 4762
    monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
                   bdrv_get_encrypted_filename(bs));
4763

4764 4765
    mon->password_completion_cb = completion_cb;
    mon->password_opaque = opaque;
4766

4767 4768 4769 4770
    err = monitor_read_password(mon, bdrv_password_cb, bs);

    if (err && completion_cb)
        completion_cb(opaque, err);
4771 4772

    return err;
4773
}
L
Luiz Capitulino 已提交
4774 4775 4776 4777 4778 4779 4780 4781 4782 4783 4784 4785 4786 4787 4788

int monitor_read_block_device_key(Monitor *mon, const char *device,
                                  BlockDriverCompletionFunc *completion_cb,
                                  void *opaque)
{
    BlockDriverState *bs;

    bs = bdrv_find(device);
    if (!bs) {
        monitor_printf(mon, "Device not found %s\n", device);
        return -1;
    }

    return monitor_read_bdrv_key_start(mon, bs, completion_cb, opaque);
}