monitor.c 150.1 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 "monitor/qdev.h"
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#include "hw/usb.h"
#include "hw/pcmcia.h"
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#include "hw/i386/pc.h"
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#include "hw/pci/pci.h"
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#include "sysemu/watchdog.h"
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#include "hw/loader.h"
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#include "exec/gdbstub.h"
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#include "net/net.h"
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#include "net/slirp.h"
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#include "sysemu/char.h"
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#include "ui/qemu-spice.h"
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#include "sysemu/sysemu.h"
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#include "monitor/monitor.h"
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#include "qemu/readline.h"
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#include "ui/console.h"
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#include "ui/input.h"
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#include "sysemu/blockdev.h"
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#include "audio/audio.h"
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#include "disas/disas.h"
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#include "sysemu/balloon.h"
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#include "qemu/timer.h"
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#include "migration/migration.h"
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#include "sysemu/kvm.h"
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#include "qemu/acl.h"
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#include "sysemu/tpm.h"
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#include "qapi/qmp/qint.h"
#include "qapi/qmp/qfloat.h"
#include "qapi/qmp/qlist.h"
#include "qapi/qmp/qbool.h"
#include "qapi/qmp/qstring.h"
#include "qapi/qmp/qjson.h"
#include "qapi/qmp/json-streamer.h"
#include "qapi/qmp/json-parser.h"
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#include <qom/object_interfaces.h>
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#include "qemu/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 "exec/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)
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#include "hw/sparc/sun4m.h"
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#endif
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#include "hw/lm32/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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 * 'S'          it just appends the rest of the 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)
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 *              user mode accepts an optional E, e, P, p, T, t, G, g, M, m,
 *              K, k suffix, which multiplies the value by 2^60 for suffixes E
 *              and e, 2^50 for suffixes P and p, 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 {
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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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    /* @sub_table is a list of 2nd level of commands. If it do not exist,
     * mhandler should be used. If it exist, sub_table[?].mhandler should be
     * used, and mhandler of 1st level plays the role of help function.
     */
    struct mon_cmd_t *sub_table;
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    void (*command_completion)(ReadLineState *rs, int nb_args, const char *str);
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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;
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    bool skip_flush;
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    QString *outbuf;
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    guint watch;
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    ReadLineState *rs;
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    MonitorControl *mc;
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    CPUState *mon_cpu;
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    BlockDriverCompletionFunc *password_completion_cb;
    void *password_opaque;
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    mon_cmd_t *cmd_table;
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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(void *opaque, const char *cmdline,
                               void *readline_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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static gboolean monitor_unblocked(GIOChannel *chan, GIOCondition cond,
                                  void *opaque)
{
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    Monitor *mon = opaque;

    mon->watch = 0;
    monitor_flush(mon);
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    return FALSE;
}

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void monitor_flush(Monitor *mon)
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{
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    int rc;
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    size_t len;
    const char *buf;

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    if (mon->skip_flush) {
        return;
    }

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    buf = qstring_get_str(mon->outbuf);
    len = qstring_get_length(mon->outbuf);
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    if (len && !mon->mux_out) {
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        rc = qemu_chr_fe_write(mon->chr, (const uint8_t *) buf, len);
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        if ((rc < 0 && errno != EAGAIN) || (rc == len)) {
            /* all flushed or error */
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            QDECREF(mon->outbuf);
            mon->outbuf = qstring_new();
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            return;
        }
        if (rc > 0) {
            /* partinal write */
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            QString *tmp = qstring_from_str(buf + rc);
            QDECREF(mon->outbuf);
            mon->outbuf = tmp;
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        }
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        if (mon->watch == 0) {
            mon->watch = qemu_chr_fe_add_watch(mon->chr, G_IO_OUT,
                                               monitor_unblocked, mon);
        }
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    }
}

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/* flush at every end of line */
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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') {
            qstring_append_chr(mon->outbuf, '\r');
        }
        qstring_append_chr(mon->outbuf, c);
        if (c == '\n') {
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            monitor_flush(mon);
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        }
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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;
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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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    buf = g_strdup_vprintf(fmt, ap);
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    monitor_puts(mon, buf);
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    g_free(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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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_BLOCK_JOB_READY] = "BLOCK_JOB_READY",
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    [QEVENT_DEVICE_DELETED] = "DEVICE_DELETED",
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    [QEVENT_DEVICE_TRAY_MOVED] = "DEVICE_TRAY_MOVED",
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    [QEVENT_NIC_RX_FILTER_CHANGED] = "NIC_RX_FILTER_CHANGED",
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    [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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    [QEVENT_GUEST_PANICKED] = "GUEST_PANICKED",
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    [QEVENT_BLOCK_IMAGE_CORRUPTED] = "BLOCK_IMAGE_CORRUPTED",
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    [QEVENT_QUORUM_FAILURE] = "QUORUM_FAILURE",
    [QEVENT_QUORUM_REPORT_BAD] = "QUORUM_REPORT_BAD",
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};
QEMU_BUILD_BUG_ON(ARRAY_SIZE(monitor_event_names) != QEVENT_MAX)

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static MonitorEventState monitor_event_state[QEVENT_MAX];
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/*
 * 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;
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    int64_t now = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
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    assert(event < QEVENT_MAX);

    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;
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                timer_mod_ns(evstate->timer, then);
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            }
            evstate->data = data;
            qobject_incref(evstate->data);
        } else {
            monitor_protocol_event_emit(event, data);
            evstate->last = now;
        }
    }
}


/*
 * 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;
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    int64_t now = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
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    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;
}


/*
 * @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;
601
    evstate->timer = timer_new(QEMU_CLOCK_REALTIME,
602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617
                                    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)
{
    /* 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);
618 619 620
    /* limit the rate of quorum events to avoid hammering the management */
    monitor_protocol_event_throttle(QEVENT_QUORUM_REPORT_BAD, 1000);
    monitor_protocol_event_throttle(QEVENT_QUORUM_FAILURE, 1000);
621 622
}

623 624 625 626 627 628 629 630 631 632
/**
 * 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;

633
    assert(event < QEVENT_MAX);
634

635 636
    event_name = monitor_event_names[event];
    assert(event_name != NULL);
637 638 639 640

    qmp = qdict_new();
    timestamp_put(qmp);
    qdict_put(qmp, "event", qstring_from_str(event_name));
641 642
    if (data) {
        qobject_incref(data);
643
        qdict_put_obj(qmp, "data", data);
644
    }
645

646 647
    trace_monitor_protocol_event(event, event_name, qmp);
    monitor_protocol_event_queue(event, QOBJECT(qmp));
648 649 650
    QDECREF(qmp);
}

651 652
static int do_qmp_capabilities(Monitor *mon, const QDict *params,
                               QObject **ret_data)
653 654 655 656 657
{
    /* Will setup QMP capabilities in the future */
    if (monitor_ctrl_mode(mon)) {
        mon->mc->command_mode = 1;
    }
658 659

    return 0;
660 661
}

662 663
static void handle_user_command(Monitor *mon, const char *cmdline);

664 665 666 667
static void monitor_data_init(Monitor *mon)
{
    memset(mon, 0, sizeof(Monitor));
    mon->outbuf = qstring_new();
668 669
    /* Use *mon_cmds by default. */
    mon->cmd_table = mon_cmds;
670 671 672 673 674 675 676
}

static void monitor_data_destroy(Monitor *mon)
{
    QDECREF(mon->outbuf);
}

677 678
char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index,
                                int64_t cpu_index, Error **errp)
679
{
680
    char *output = NULL;
681 682
    Monitor *old_mon, hmp;

683
    monitor_data_init(&hmp);
684
    hmp.skip_flush = true;
685 686 687 688

    old_mon = cur_mon;
    cur_mon = &hmp;

689 690
    if (has_cpu_index) {
        int ret = monitor_set_cpu(cpu_index);
691 692
        if (ret < 0) {
            cur_mon = old_mon;
693 694
            error_set(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index",
                      "a CPU number");
695 696 697 698
            goto out;
        }
    }

699
    handle_user_command(&hmp, command_line);
700 701
    cur_mon = old_mon;

702 703
    if (qstring_get_length(hmp.outbuf) > 0) {
        output = g_strdup(qstring_get_str(hmp.outbuf));
704 705
    } else {
        output = g_strdup("");
706 707 708
    }

out:
709
    monitor_data_destroy(&hmp);
710
    return output;
711 712
}

B
bellard 已提交
713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732
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;
}

733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800
static int get_str(char *buf, int buf_size, const char **pp)
{
    const char *p;
    char *q;
    int c;

    q = buf;
    p = *pp;
    while (qemu_isspace(*p)) {
        p++;
    }
    if (*p == '\0') {
    fail:
        *q = '\0';
        *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 != '\"') {
            qemu_printf("unterminated string\n");
            goto fail;
        }
        p++;
    } else {
        while (*p != '\0' && !qemu_isspace(*p)) {
            if ((q - buf) < buf_size - 1) {
                *q++ = *p;
            }
            p++;
        }
    }
    *q = '\0';
    *pp = p;
    return 0;
}

#define MAX_ARGS 16

W
Wenchao Xia 已提交
801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827
static void free_cmdline_args(char **args, int nb_args)
{
    int i;

    assert(nb_args <= MAX_ARGS);

    for (i = 0; i < nb_args; i++) {
        g_free(args[i]);
    }

}

/*
 * Parse the command line to get valid args.
 * @cmdline: command line to be parsed.
 * @pnb_args: location to store the number of args, must NOT be NULL.
 * @args: location to store the args, which should be freed by caller, must
 *        NOT be NULL.
 *
 * Returns 0 on success, negative on failure.
 *
 * NOTE: this parser is an approximate form of the real command parser. Number
 *       of args have a limit of MAX_ARGS. If cmdline contains more, it will
 *       return with failure.
 */
static int parse_cmdline(const char *cmdline,
                         int *pnb_args, char **args)
828 829 830 831 832 833 834 835 836 837 838 839 840 841 842
{
    const char *p;
    int nb_args, ret;
    char buf[1024];

    p = cmdline;
    nb_args = 0;
    for (;;) {
        while (qemu_isspace(*p)) {
            p++;
        }
        if (*p == '\0') {
            break;
        }
        if (nb_args >= MAX_ARGS) {
W
Wenchao Xia 已提交
843
            goto fail;
844 845 846
        }
        ret = get_str(buf, sizeof(buf), &p);
        if (ret < 0) {
W
Wenchao Xia 已提交
847
            goto fail;
848
        }
W
Wenchao Xia 已提交
849 850
        args[nb_args] = g_strdup(buf);
        nb_args++;
851 852
    }
    *pnb_args = nb_args;
W
Wenchao Xia 已提交
853 854 855 856 857
    return 0;

 fail:
    free_cmdline_args(args, nb_args);
    return -1;
858 859
}

860 861 862 863 864 865 866 867 868 869 870 871 872 873
static void help_cmd_dump_one(Monitor *mon,
                              const mon_cmd_t *cmd,
                              char **prefix_args,
                              int prefix_args_nb)
{
    int i;

    for (i = 0; i < prefix_args_nb; i++) {
        monitor_printf(mon, "%s ", prefix_args[i]);
    }
    monitor_printf(mon, "%s %s -- %s\n", cmd->name, cmd->params, cmd->help);
}

/* @args[@arg_index] is the valid command need to find in @cmds */
A
Anthony Liguori 已提交
874
static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
875
                          char **args, int nb_args, int arg_index)
B
bellard 已提交
876
{
A
Anthony Liguori 已提交
877
    const mon_cmd_t *cmd;
B
bellard 已提交
878

879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898
    /* No valid arg need to compare with, dump all in *cmds */
    if (arg_index >= nb_args) {
        for (cmd = cmds; cmd->name != NULL; cmd++) {
            help_cmd_dump_one(mon, cmd, args, arg_index);
        }
        return;
    }

    /* Find one entry to dump */
    for (cmd = cmds; cmd->name != NULL; cmd++) {
        if (compare_cmd(args[arg_index], cmd->name)) {
            if (cmd->sub_table) {
                /* continue with next arg */
                help_cmd_dump(mon, cmd->sub_table,
                              args, nb_args, arg_index + 1);
            } else {
                help_cmd_dump_one(mon, cmd, args, arg_index);
            }
            break;
        }
B
bellard 已提交
899 900 901
    }
}

A
aliguori 已提交
902
static void help_cmd(Monitor *mon, const char *name)
B
bellard 已提交
903
{
904 905 906 907 908 909 910
    char *args[MAX_ARGS];
    int nb_args = 0;

    /* 1. parse user input */
    if (name) {
        /* special case for log, directly dump and return */
        if (!strcmp(name, "log")) {
911
            const QEMULogItem *item;
A
aliguori 已提交
912 913
            monitor_printf(mon, "Log items (comma separated):\n");
            monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
914
            for (item = qemu_log_items; item->mask != 0; item++) {
A
aliguori 已提交
915
                monitor_printf(mon, "%-10s %s\n", item->name, item->help);
916
            }
917 918 919 920 921
            return;
        }

        if (parse_cmdline(name, &nb_args, args) < 0) {
            return;
922
        }
B
bellard 已提交
923
    }
924 925 926 927 928

    /* 2. dump the contents according to parsed args */
    help_cmd_dump(mon, mon->cmd_table, args, nb_args, 0);

    free_cmdline_args(args, nb_args);
B
bellard 已提交
929 930
}

931
static void do_help_cmd(Monitor *mon, const QDict *qdict)
932
{
933
    help_cmd(mon, qdict_get_try_str(qdict, "name"));
934 935
}

936
static void do_trace_event_set_state(Monitor *mon, const QDict *qdict)
937 938 939
{
    const char *tp_name = qdict_get_str(qdict, "name");
    bool new_state = qdict_get_bool(qdict, "option");
940

941 942 943 944 945 946 947 948 949 950 951
    bool found = false;
    TraceEvent *ev = NULL;
    while ((ev = trace_event_pattern(tp_name, ev)) != NULL) {
        found = true;
        if (!trace_event_get_state_static(ev)) {
            monitor_printf(mon, "event \"%s\" is not traceable\n", tp_name);
        } else {
            trace_event_set_state_dynamic(ev, new_state);
        }
    }
    if (!trace_event_is_pattern(tp_name) && !found) {
952 953
        monitor_printf(mon, "unknown event name \"%s\"\n", tp_name);
    }
954
}
955

M
Michael Roth 已提交
956
#ifdef CONFIG_TRACE_SIMPLE
957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978
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");
    }
}
979 980
#endif

981 982 983 984 985 986 987 988
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);
989
    g_free(data);
990 991 992 993 994 995 996
}

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

997 998
static int qmp_async_cmd_handler(Monitor *mon, const mon_cmd_t *cmd,
                                 const QDict *params)
999
{
1000
    return cmd->mhandler.cmd_async(mon, params, qmp_monitor_complete, mon);
1001 1002 1003 1004 1005 1006 1007
}

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

1008
    MonitorCompletionData *cb_data = g_malloc(sizeof(*cb_data));
1009 1010 1011 1012 1013 1014 1015
    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);
1016
        g_free(cb_data);
1017 1018 1019
    }
}

W
Wenchao Xia 已提交
1020
static void do_info_help(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1021
{
1022
    help_cmd(mon, "info");
B
bellard 已提交
1023 1024
}

L
Luiz Capitulino 已提交
1025
CommandInfoList *qmp_query_commands(Error **errp)
1026
{
L
Luiz Capitulino 已提交
1027
    CommandInfoList *info, *cmd_list = NULL;
1028 1029
    const mon_cmd_t *cmd;

1030
    for (cmd = qmp_cmds; cmd->name != NULL; cmd++) {
1031 1032 1033
        info = g_malloc0(sizeof(*info));
        info->value = g_malloc0(sizeof(*info->value));
        info->value->name = g_strdup(cmd->name);
1034

L
Luiz Capitulino 已提交
1035 1036
        info->next = cmd_list;
        cmd_list = info;
1037 1038
    }

L
Luiz Capitulino 已提交
1039
    return cmd_list;
1040 1041
}

1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060
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;
}

1061 1062
/* set the current CPU defined by the user */
int monitor_set_cpu(int cpu_index)
B
bellard 已提交
1063
{
1064
    CPUState *cpu;
B
bellard 已提交
1065

1066 1067 1068
    cpu = qemu_get_cpu(cpu_index);
    if (cpu == NULL) {
        return -1;
B
bellard 已提交
1069
    }
1070
    cur_mon->mon_cpu = cpu;
1071
    return 0;
B
bellard 已提交
1072 1073
}

1074
static CPUArchState *mon_get_cpu(void)
B
bellard 已提交
1075
{
1076
    if (!cur_mon->mon_cpu) {
1077
        monitor_set_cpu(0);
B
bellard 已提交
1078
    }
1079
    cpu_synchronize_state(cur_mon->mon_cpu);
1080
    return cur_mon->mon_cpu->env_ptr;
B
bellard 已提交
1081 1082
}

1083 1084
int monitor_get_cpu_index(void)
{
1085 1086
    CPUState *cpu = ENV_GET_CPU(mon_get_cpu());
    return cpu->cpu_index;
1087 1088
}

1089
static void do_info_registers(Monitor *mon, const QDict *qdict)
1090
{
1091
    CPUState *cpu;
1092
    CPUArchState *env;
B
bellard 已提交
1093
    env = mon_get_cpu();
1094 1095
    cpu = ENV_GET_CPU(env);
    cpu_dump_state(cpu, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
1096 1097
}

1098
static void do_info_jit(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1099
{
A
aliguori 已提交
1100
    dump_exec_info((FILE *)mon, monitor_fprintf);
B
bellard 已提交
1101 1102
}

1103
static void do_info_history(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1104 1105
{
    int i;
1106
    const char *str;
1107

1108 1109
    if (!mon->rs)
        return;
1110 1111
    i = 0;
    for(;;) {
1112
        str = readline_get_history(mon->rs, i);
1113 1114
        if (!str)
            break;
A
aliguori 已提交
1115
        monitor_printf(mon, "%d: '%s'\n", i, str);
B
bellard 已提交
1116
        i++;
B
bellard 已提交
1117 1118 1119
    }
}

1120
static void do_info_cpu_stats(Monitor *mon, const QDict *qdict)
1121
{
1122
    CPUState *cpu;
1123
    CPUArchState *env;
1124 1125

    env = mon_get_cpu();
1126 1127
    cpu = ENV_GET_CPU(env);
    cpu_dump_statistics(cpu, (FILE *)mon, &monitor_fprintf, 0);
1128 1129
}

1130
static void do_trace_print_events(Monitor *mon, const QDict *qdict)
1131
{
1132
    trace_print_events((FILE *)mon, &monitor_fprintf);
1133 1134
}

1135 1136
static int client_migrate_info(Monitor *mon, const QDict *qdict,
                               MonitorCompletion cb, void *opaque)
G
Gerd Hoffmann 已提交
1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150
{
    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;
        }

1151 1152 1153 1154 1155
        if (port == -1 && tls_port == -1) {
            qerror_report(QERR_MISSING_PARAMETER, "port/tls-port");
            return -1;
        }

1156 1157
        ret = qemu_spice_migrate_info(hostname, port, tls_port, subject,
                                      cb, opaque);
G
Gerd Hoffmann 已提交
1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168
        if (ret != 0) {
            qerror_report(QERR_UNDEFINED_ERROR);
            return -1;
        }
        return 0;
    }

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

1169
static void do_logfile(Monitor *mon, const QDict *qdict)
P
pbrook 已提交
1170
{
1171
    qemu_set_log_filename(qdict_get_str(qdict, "filename"));
P
pbrook 已提交
1172 1173
}

1174
static void do_log(Monitor *mon, const QDict *qdict)
1175 1176
{
    int mask;
1177
    const char *items = qdict_get_str(qdict, "items");
1178

1179
    if (!strcmp(items, "none")) {
1180 1181
        mask = 0;
    } else {
1182
        mask = qemu_str_to_log_mask(items);
1183
        if (!mask) {
A
aliguori 已提交
1184
            help_cmd(mon, "log");
1185 1186 1187
            return;
        }
    }
1188
    qemu_set_log(mask);
1189 1190
}

1191
static void do_singlestep(Monitor *mon, const QDict *qdict)
1192
{
1193
    const char *option = qdict_get_try_str(qdict, "option");
1194 1195 1196 1197 1198 1199 1200 1201 1202
    if (!option || !strcmp(option, "on")) {
        singlestep = 1;
    } else if (!strcmp(option, "off")) {
        singlestep = 0;
    } else {
        monitor_printf(mon, "unexpected option %s\n", option);
    }
}

1203
static void do_gdbserver(Monitor *mon, const QDict *qdict)
1204
{
1205
    const char *device = qdict_get_try_str(qdict, "device");
1206 1207 1208 1209 1210 1211
    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) {
1212
        monitor_printf(mon, "Disabled gdbserver\n");
1213
    } else {
1214 1215
        monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
                       device);
1216 1217 1218
    }
}

1219
static void do_watchdog_action(Monitor *mon, const QDict *qdict)
R
Richard W.M. Jones 已提交
1220
{
1221
    const char *action = qdict_get_str(qdict, "action");
R
Richard W.M. Jones 已提交
1222 1223 1224 1225 1226
    if (select_watchdog_action(action) == -1) {
        monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
    }
}

A
aliguori 已提交
1227
static void monitor_printc(Monitor *mon, int c)
1228
{
A
aliguori 已提交
1229
    monitor_printf(mon, "'");
1230 1231
    switch(c) {
    case '\'':
A
aliguori 已提交
1232
        monitor_printf(mon, "\\'");
1233 1234
        break;
    case '\\':
A
aliguori 已提交
1235
        monitor_printf(mon, "\\\\");
1236 1237
        break;
    case '\n':
A
aliguori 已提交
1238
        monitor_printf(mon, "\\n");
1239 1240
        break;
    case '\r':
A
aliguori 已提交
1241
        monitor_printf(mon, "\\r");
1242 1243 1244
        break;
    default:
        if (c >= 32 && c <= 126) {
A
aliguori 已提交
1245
            monitor_printf(mon, "%c", c);
1246
        } else {
A
aliguori 已提交
1247
            monitor_printf(mon, "\\x%02x", c);
1248 1249 1250
        }
        break;
    }
A
aliguori 已提交
1251
    monitor_printf(mon, "'");
1252 1253
}

A
aliguori 已提交
1254
static void memory_dump(Monitor *mon, int count, int format, int wsize,
A
Avi Kivity 已提交
1255
                        hwaddr addr, int is_physical)
1256
{
1257
    CPUArchState *env;
1258
    int l, line_size, i, max_digits, len;
1259 1260 1261 1262 1263 1264
    uint8_t buf[16];
    uint64_t v;

    if (format == 'i') {
        int flags;
        flags = 0;
B
bellard 已提交
1265
        env = mon_get_cpu();
1266
#ifdef TARGET_I386
1267
        if (wsize == 2) {
1268
            flags = 1;
1269 1270 1271
        } else if (wsize == 4) {
            flags = 0;
        } else {
B
bellard 已提交
1272
            /* as default we use the current CS size */
1273
            flags = 0;
B
bellard 已提交
1274 1275
            if (env) {
#ifdef TARGET_X86_64
1276
                if ((env->efer & MSR_EFER_LMA) &&
B
bellard 已提交
1277 1278 1279 1280 1281 1282 1283
                    (env->segs[R_CS].flags & DESC_L_MASK))
                    flags = 2;
                else
#endif
                if (!(env->segs[R_CS].flags & DESC_B_MASK))
                    flags = 1;
            }
1284 1285
        }
#endif
A
aliguori 已提交
1286
        monitor_disas(mon, env, addr, count, is_physical, flags);
1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314
        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) {
1315
        if (is_physical)
A
aliguori 已提交
1316
            monitor_printf(mon, TARGET_FMT_plx ":", addr);
1317
        else
A
aliguori 已提交
1318
            monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1319 1320 1321 1322
        l = len;
        if (l > line_size)
            l = line_size;
        if (is_physical) {
1323
            cpu_physical_memory_read(addr, buf, l);
1324
        } else {
B
bellard 已提交
1325
            env = mon_get_cpu();
1326
            if (cpu_memory_rw_debug(ENV_GET_CPU(env), addr, buf, l, 0) < 0) {
A
aliguori 已提交
1327
                monitor_printf(mon, " Cannot access memory\n");
1328 1329
                break;
            }
1330
        }
1331
        i = 0;
1332 1333 1334 1335 1336 1337 1338 1339 1340 1341
        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
1342
                v = (uint32_t)ldl_raw(buf + i);
1343 1344 1345 1346 1347
                break;
            case 8:
                v = ldq_raw(buf + i);
                break;
            }
A
aliguori 已提交
1348
            monitor_printf(mon, " ");
1349 1350
            switch(format) {
            case 'o':
A
aliguori 已提交
1351
                monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1352 1353
                break;
            case 'x':
A
aliguori 已提交
1354
                monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1355 1356
                break;
            case 'u':
A
aliguori 已提交
1357
                monitor_printf(mon, "%*" PRIu64, max_digits, v);
1358 1359
                break;
            case 'd':
A
aliguori 已提交
1360
                monitor_printf(mon, "%*" PRId64, max_digits, v);
1361 1362
                break;
            case 'c':
A
aliguori 已提交
1363
                monitor_printc(mon, v);
1364 1365 1366 1367
                break;
            }
            i += wsize;
        }
A
aliguori 已提交
1368
        monitor_printf(mon, "\n");
1369 1370 1371 1372 1373
        addr += l;
        len -= l;
    }
}

1374
static void do_memory_dump(Monitor *mon, const QDict *qdict)
1375
{
1376 1377 1378 1379 1380
    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
1381
    memory_dump(mon, count, format, size, addr, 0);
1382 1383
}

1384
static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1385
{
1386 1387 1388
    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
1389
    hwaddr addr = qdict_get_int(qdict, "addr");
1390

A
aliguori 已提交
1391
    memory_dump(mon, count, format, size, addr, 1);
1392 1393
}

1394
static void do_print(Monitor *mon, const QDict *qdict)
1395
{
1396
    int format = qdict_get_int(qdict, "format");
A
Avi Kivity 已提交
1397
    hwaddr val = qdict_get_int(qdict, "val");
1398

1399 1400
    switch(format) {
    case 'o':
A
Avi Kivity 已提交
1401
        monitor_printf(mon, "%#" HWADDR_PRIo, val);
1402 1403
        break;
    case 'x':
A
Avi Kivity 已提交
1404
        monitor_printf(mon, "%#" HWADDR_PRIx, val);
1405 1406
        break;
    case 'u':
A
Avi Kivity 已提交
1407
        monitor_printf(mon, "%" HWADDR_PRIu, val);
1408 1409 1410
        break;
    default:
    case 'd':
A
Avi Kivity 已提交
1411
        monitor_printf(mon, "%" HWADDR_PRId, val);
1412 1413
        break;
    case 'c':
A
aliguori 已提交
1414
        monitor_printc(mon, val);
1415 1416
        break;
    }
A
aliguori 已提交
1417
    monitor_printf(mon, "\n");
1418 1419
}

1420
static void do_sum(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1421 1422 1423
{
    uint32_t addr;
    uint16_t sum;
1424 1425
    uint32_t start = qdict_get_int(qdict, "start");
    uint32_t size = qdict_get_int(qdict, "size");
B
bellard 已提交
1426 1427 1428

    sum = 0;
    for(addr = start; addr < (start + size); addr++) {
1429
        uint8_t val = ldub_phys(&address_space_memory, addr);
B
bellard 已提交
1430 1431
        /* BSD sum algorithm ('sum' Unix command) */
        sum = (sum >> 1) | (sum << 15);
1432
        sum += val;
B
bellard 已提交
1433
    }
A
aliguori 已提交
1434
    monitor_printf(mon, "%05d\n", sum);
B
bellard 已提交
1435 1436
}

B
bellard 已提交
1437 1438
static int mouse_button_state;

1439
static void do_mouse_move(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1440
{
1441
    int dx, dy, dz, button;
1442 1443 1444
    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");
1445

B
bellard 已提交
1446 1447
    dx = strtol(dx_str, NULL, 0);
    dy = strtol(dy_str, NULL, 0);
1448 1449 1450 1451
    qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx);
    qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy);

    if (dz_str) {
B
bellard 已提交
1452
        dz = strtol(dz_str, NULL, 0);
1453 1454 1455 1456 1457 1458 1459 1460
        if (dz != 0) {
            button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
            qemu_input_queue_btn(NULL, button, true);
            qemu_input_event_sync();
            qemu_input_queue_btn(NULL, button, false);
        }
    }
    qemu_input_event_sync();
B
bellard 已提交
1461 1462
}

1463
static void do_mouse_button(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1464
{
1465 1466 1467 1468 1469
    static uint32_t bmap[INPUT_BUTTON_MAX] = {
        [INPUT_BUTTON_LEFT]       = MOUSE_EVENT_LBUTTON,
        [INPUT_BUTTON_MIDDLE]     = MOUSE_EVENT_MBUTTON,
        [INPUT_BUTTON_RIGHT]      = MOUSE_EVENT_RBUTTON,
    };
1470
    int button_state = qdict_get_int(qdict, "button_state");
1471 1472 1473 1474 1475 1476

    if (mouse_button_state == button_state) {
        return;
    }
    qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state);
    qemu_input_event_sync();
B
bellard 已提交
1477 1478 1479
    mouse_button_state = button_state;
}

1480
static void do_ioport_read(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1481
{
1482 1483 1484
    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
1485 1486 1487 1488
    uint32_t val;
    int suffix;

    if (has_index) {
1489
        int index = qdict_get_int(qdict, "index");
1490
        cpu_outb(addr & IOPORTS_MASK, index & 0xff);
B
bellard 已提交
1491 1492 1493 1494 1495 1496 1497
        addr++;
    }
    addr &= 0xffff;

    switch(size) {
    default:
    case 1:
1498
        val = cpu_inb(addr);
B
bellard 已提交
1499 1500 1501
        suffix = 'b';
        break;
    case 2:
1502
        val = cpu_inw(addr);
B
bellard 已提交
1503 1504 1505
        suffix = 'w';
        break;
    case 4:
1506
        val = cpu_inl(addr);
B
bellard 已提交
1507 1508 1509
        suffix = 'l';
        break;
    }
A
aliguori 已提交
1510 1511
    monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
                   suffix, addr, size * 2, val);
B
bellard 已提交
1512
}
B
bellard 已提交
1513

1514
static void do_ioport_write(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
1515
{
1516 1517 1518 1519
    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
1520 1521 1522 1523 1524
    addr &= IOPORTS_MASK;

    switch (size) {
    default:
    case 1:
1525
        cpu_outb(addr, val);
J
Jan Kiszka 已提交
1526 1527
        break;
    case 2:
1528
        cpu_outw(addr, val);
J
Jan Kiszka 已提交
1529 1530
        break;
    case 4:
1531
        cpu_outl(addr, val);
J
Jan Kiszka 已提交
1532 1533 1534 1535
        break;
    }
}

1536
static void do_boot_set(Monitor *mon, const QDict *qdict)
1537 1538
{
    int res;
1539
    const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1540

J
Jan Kiszka 已提交
1541 1542 1543 1544 1545
    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");
1546
    } else {
A
aliguori 已提交
1547 1548
        monitor_printf(mon, "no function defined to set boot device list for "
                       "this architecture\n");
1549 1550 1551
    }
}

B
bellard 已提交
1552
#if defined(TARGET_I386)
A
Avi Kivity 已提交
1553 1554 1555
static void print_pte(Monitor *mon, hwaddr addr,
                      hwaddr pte,
                      hwaddr mask)
B
bellard 已提交
1556
{
1557 1558 1559 1560 1561 1562 1563
#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
1564 1565
                   addr,
                   pte & mask,
1566
                   pte & PG_NX_MASK ? 'X' : '-',
A
aliguori 已提交
1567 1568 1569 1570 1571 1572 1573 1574
                   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
1575 1576
}

1577
static void tlb_info_32(Monitor *mon, CPUArchState *env)
B
bellard 已提交
1578
{
1579
    unsigned int l1, l2;
B
bellard 已提交
1580 1581 1582 1583
    uint32_t pgd, pde, pte;

    pgd = env->cr[3] & ~0xfff;
    for(l1 = 0; l1 < 1024; l1++) {
1584
        cpu_physical_memory_read(pgd + l1 * 4, &pde, 4);
B
bellard 已提交
1585 1586 1587
        pde = le32_to_cpu(pde);
        if (pde & PG_PRESENT_MASK) {
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1588 1589
                /* 4M pages */
                print_pte(mon, (l1 << 22), pde, ~((1 << 21) - 1));
B
bellard 已提交
1590 1591
            } else {
                for(l2 = 0; l2 < 1024; l2++) {
1592
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, &pte, 4);
B
bellard 已提交
1593 1594
                    pte = le32_to_cpu(pte);
                    if (pte & PG_PRESENT_MASK) {
A
aliguori 已提交
1595
                        print_pte(mon, (l1 << 22) + (l2 << 12),
1596
                                  pte & ~PG_PSE_MASK,
B
bellard 已提交
1597 1598 1599 1600 1601 1602 1603 1604
                                  ~0xfff);
                    }
                }
            }
        }
    }
}

1605
static void tlb_info_pae32(Monitor *mon, CPUArchState *env)
1606
{
1607
    unsigned int l1, l2, l3;
1608 1609 1610 1611 1612
    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++) {
1613
        cpu_physical_memory_read(pdp_addr + l1 * 8, &pdpe, 8);
1614 1615 1616 1617
        pdpe = le64_to_cpu(pdpe);
        if (pdpe & PG_PRESENT_MASK) {
            pd_addr = pdpe & 0x3fffffffff000ULL;
            for (l2 = 0; l2 < 512; l2++) {
1618
                cpu_physical_memory_read(pd_addr + l2 * 8, &pde, 8);
1619 1620 1621 1622 1623
                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
1624
                                  ~((hwaddr)(1 << 20) - 1));
1625 1626 1627
                    } else {
                        pt_addr = pde & 0x3fffffffff000ULL;
                        for (l3 = 0; l3 < 512; l3++) {
1628
                            cpu_physical_memory_read(pt_addr + l3 * 8, &pte, 8);
1629 1630 1631 1632 1633
                            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
1634
                                          ~(hwaddr)0xfff);
1635 1636 1637 1638 1639 1640 1641 1642 1643 1644
                            }
                        }
                    }
                }
            }
        }
    }
}

#ifdef TARGET_X86_64
1645
static void tlb_info_64(Monitor *mon, CPUArchState *env)
1646 1647 1648 1649 1650 1651 1652
{
    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++) {
1653
        cpu_physical_memory_read(pml4_addr + l1 * 8, &pml4e, 8);
1654 1655 1656 1657
        pml4e = le64_to_cpu(pml4e);
        if (pml4e & PG_PRESENT_MASK) {
            pdp_addr = pml4e & 0x3fffffffff000ULL;
            for (l2 = 0; l2 < 512; l2++) {
1658
                cpu_physical_memory_read(pdp_addr + l2 * 8, &pdpe, 8);
1659 1660 1661 1662 1663 1664 1665 1666 1667
                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++) {
1668
                            cpu_physical_memory_read(pd_addr + l3 * 8, &pde, 8);
1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680
                            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,
1681
                                                                 &pte, 8);
1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701
                                        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

1702
static void tlb_info(Monitor *mon, const QDict *qdict)
1703
{
1704
    CPUArchState *env;
1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725

    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
1726
static void mem_print(Monitor *mon, hwaddr *pstart,
1727
                      int *plast_prot,
A
Avi Kivity 已提交
1728
                      hwaddr end, int prot)
B
bellard 已提交
1729
{
B
bellard 已提交
1730 1731 1732
    int prot1;
    prot1 = *plast_prot;
    if (prot != prot1) {
B
bellard 已提交
1733
        if (*pstart != -1) {
1734 1735
            monitor_printf(mon, TARGET_FMT_plx "-" TARGET_FMT_plx " "
                           TARGET_FMT_plx " %c%c%c\n",
A
aliguori 已提交
1736 1737 1738 1739
                           *pstart, end, end - *pstart,
                           prot1 & PG_USER_MASK ? 'u' : '-',
                           'r',
                           prot1 & PG_RW_MASK ? 'w' : '-');
B
bellard 已提交
1740 1741 1742 1743 1744 1745 1746 1747 1748
        }
        if (prot != 0)
            *pstart = end;
        else
            *pstart = -1;
        *plast_prot = prot;
    }
}

1749
static void mem_info_32(Monitor *mon, CPUArchState *env)
B
bellard 已提交
1750
{
1751 1752
    unsigned int l1, l2;
    int prot, last_prot;
1753
    uint32_t pgd, pde, pte;
A
Avi Kivity 已提交
1754
    hwaddr start, end;
B
bellard 已提交
1755

B
bellard 已提交
1756 1757 1758 1759
    pgd = env->cr[3] & ~0xfff;
    last_prot = 0;
    start = -1;
    for(l1 = 0; l1 < 1024; l1++) {
1760
        cpu_physical_memory_read(pgd + l1 * 4, &pde, 4);
B
bellard 已提交
1761 1762 1763 1764 1765
        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
1766
                mem_print(mon, &start, &last_prot, end, prot);
B
bellard 已提交
1767 1768
            } else {
                for(l2 = 0; l2 < 1024; l2++) {
1769
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, &pte, 4);
B
bellard 已提交
1770 1771 1772
                    pte = le32_to_cpu(pte);
                    end = (l1 << 22) + (l2 << 12);
                    if (pte & PG_PRESENT_MASK) {
1773 1774
                        prot = pte & pde &
                            (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
B
bellard 已提交
1775 1776 1777
                    } else {
                        prot = 0;
                    }
A
aliguori 已提交
1778
                    mem_print(mon, &start, &last_prot, end, prot);
B
bellard 已提交
1779 1780 1781 1782
                }
            }
        } else {
            prot = 0;
A
aliguori 已提交
1783
            mem_print(mon, &start, &last_prot, end, prot);
B
bellard 已提交
1784 1785
        }
    }
1786
    /* Flush last range */
A
Avi Kivity 已提交
1787
    mem_print(mon, &start, &last_prot, (hwaddr)1 << 32, 0);
B
bellard 已提交
1788
}
1789

1790
static void mem_info_pae32(Monitor *mon, CPUArchState *env)
1791
{
1792 1793
    unsigned int l1, l2, l3;
    int prot, last_prot;
1794 1795
    uint64_t pdpe, pde, pte;
    uint64_t pdp_addr, pd_addr, pt_addr;
A
Avi Kivity 已提交
1796
    hwaddr start, end;
1797 1798 1799 1800 1801

    pdp_addr = env->cr[3] & ~0x1f;
    last_prot = 0;
    start = -1;
    for (l1 = 0; l1 < 4; l1++) {
1802
        cpu_physical_memory_read(pdp_addr + l1 * 8, &pdpe, 8);
1803 1804 1805 1806 1807
        pdpe = le64_to_cpu(pdpe);
        end = l1 << 30;
        if (pdpe & PG_PRESENT_MASK) {
            pd_addr = pdpe & 0x3fffffffff000ULL;
            for (l2 = 0; l2 < 512; l2++) {
1808
                cpu_physical_memory_read(pd_addr + l2 * 8, &pde, 8);
1809 1810 1811 1812 1813 1814 1815 1816 1817 1818
                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++) {
1819
                            cpu_physical_memory_read(pt_addr + l3 * 8, &pte, 8);
1820 1821 1822
                            pte = le64_to_cpu(pte);
                            end = (l1 << 30) + (l2 << 21) + (l3 << 12);
                            if (pte & PG_PRESENT_MASK) {
1823 1824
                                prot = pte & pde & (PG_USER_MASK | PG_RW_MASK |
                                                    PG_PRESENT_MASK);
1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840
                            } 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);
        }
    }
1841
    /* Flush last range */
A
Avi Kivity 已提交
1842
    mem_print(mon, &start, &last_prot, (hwaddr)1 << 32, 0);
1843 1844 1845 1846
}


#ifdef TARGET_X86_64
1847
static void mem_info_64(Monitor *mon, CPUArchState *env)
1848 1849 1850 1851 1852 1853 1854 1855 1856 1857
{
    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++) {
1858
        cpu_physical_memory_read(pml4_addr + l1 * 8, &pml4e, 8);
1859 1860 1861 1862 1863
        pml4e = le64_to_cpu(pml4e);
        end = l1 << 39;
        if (pml4e & PG_PRESENT_MASK) {
            pdp_addr = pml4e & 0x3fffffffff000ULL;
            for (l2 = 0; l2 < 512; l2++) {
1864
                cpu_physical_memory_read(pdp_addr + l2 * 8, &pdpe, 8);
1865 1866 1867 1868
                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
1869 1870
                        prot = pdpe & (PG_USER_MASK | PG_RW_MASK |
                                       PG_PRESENT_MASK);
1871
                        prot &= pml4e;
1872 1873 1874 1875
                        mem_print(mon, &start, &last_prot, end, prot);
                    } else {
                        pd_addr = pdpe & 0x3fffffffff000ULL;
                        for (l3 = 0; l3 < 512; l3++) {
1876
                            cpu_physical_memory_read(pd_addr + l3 * 8, &pde, 8);
1877 1878 1879 1880 1881 1882
                            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);
1883
                                    prot &= pml4e & pdpe;
1884 1885 1886 1887 1888 1889
                                    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,
1890
                                                                 &pte, 8);
1891 1892 1893 1894 1895 1896
                                        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);
1897
                                            prot &= pml4e & pdpe & pde;
1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919
                                        } 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);
        }
    }
1920
    /* Flush last range */
A
Avi Kivity 已提交
1921
    mem_print(mon, &start, &last_prot, (hwaddr)1 << 48, 0);
1922 1923 1924
}
#endif

1925
static void mem_info(Monitor *mon, const QDict *qdict)
1926
{
1927
    CPUArchState *env;
1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947

    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
1948 1949
#endif

A
aurel32 已提交
1950 1951
#if defined(TARGET_SH4)

A
aliguori 已提交
1952
static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
A
aurel32 已提交
1953
{
A
aliguori 已提交
1954 1955 1956 1957 1958 1959 1960 1961
    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
1962 1963
}

1964
static void tlb_info(Monitor *mon, const QDict *qdict)
A
aurel32 已提交
1965
{
1966
    CPUArchState *env = mon_get_cpu();
A
aurel32 已提交
1967 1968
    int i;

A
aliguori 已提交
1969
    monitor_printf (mon, "ITLB:\n");
A
aurel32 已提交
1970
    for (i = 0 ; i < ITLB_SIZE ; i++)
A
aliguori 已提交
1971 1972
        print_tlb (mon, i, &env->itlb[i]);
    monitor_printf (mon, "UTLB:\n");
A
aurel32 已提交
1973
    for (i = 0 ; i < UTLB_SIZE ; i++)
A
aliguori 已提交
1974
        print_tlb (mon, i, &env->utlb[i]);
A
aurel32 已提交
1975 1976 1977 1978
}

#endif

1979
#if defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_XTENSA)
1980
static void tlb_info(Monitor *mon, const QDict *qdict)
1981
{
1982
    CPUArchState *env1 = mon_get_cpu();
1983 1984 1985 1986 1987

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

1988
static void do_info_mtree(Monitor *mon, const QDict *qdict)
B
Blue Swirl 已提交
1989 1990 1991 1992
{
    mtree_info((fprintf_function)monitor_printf, mon);
}

1993
static void do_info_numa(Monitor *mon, const QDict *qdict)
1994
{
1995
    int i;
1996
    CPUState *cpu;
1997 1998 1999 2000

    monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
    for (i = 0; i < nb_numa_nodes; i++) {
        monitor_printf(mon, "node %d cpus:", i);
A
Andreas Färber 已提交
2001
        CPU_FOREACH(cpu) {
2002
            if (cpu->numa_node == i) {
2003
                monitor_printf(mon, " %d", cpu->cpu_index);
2004 2005 2006 2007 2008 2009 2010 2011
            }
        }
        monitor_printf(mon, "\n");
        monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
            node_mem[i] >> 20);
    }
}

B
bellard 已提交
2012 2013
#ifdef CONFIG_PROFILER

A
Aurelien Jarno 已提交
2014 2015 2016
int64_t qemu_time;
int64_t dev_time;

2017
static void do_info_profile(Monitor *mon, const QDict *qdict)
B
bellard 已提交
2018
{
A
aliguori 已提交
2019
    monitor_printf(mon, "async time  %" PRId64 " (%0.3f)\n",
2020
                   dev_time, dev_time / (double)get_ticks_per_sec());
A
aliguori 已提交
2021
    monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
2022
                   qemu_time, qemu_time / (double)get_ticks_per_sec());
B
bellard 已提交
2023 2024 2025 2026
    qemu_time = 0;
    dev_time = 0;
}
#else
2027
static void do_info_profile(Monitor *mon, const QDict *qdict)
B
bellard 已提交
2028
{
A
aliguori 已提交
2029
    monitor_printf(mon, "Internal profiler not compiled\n");
B
bellard 已提交
2030 2031 2032
}
#endif

B
bellard 已提交
2033
/* Capture support */
B
Blue Swirl 已提交
2034
static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
B
bellard 已提交
2035

2036
static void do_info_capture(Monitor *mon, const QDict *qdict)
B
bellard 已提交
2037 2038 2039 2040 2041
{
    int i;
    CaptureState *s;

    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
A
aliguori 已提交
2042
        monitor_printf(mon, "[%d]: ", i);
B
bellard 已提交
2043 2044 2045 2046
        s->ops.info (s->opaque);
    }
}

2047
static void do_stop_capture(Monitor *mon, const QDict *qdict)
B
bellard 已提交
2048 2049
{
    int i;
2050
    int n = qdict_get_int(qdict, "n");
B
bellard 已提交
2051 2052 2053 2054 2055
    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
2056
            QLIST_REMOVE (s, entries);
2057
            g_free (s);
B
bellard 已提交
2058 2059 2060 2061 2062
            return;
        }
    }
}

2063 2064 2065 2066 2067 2068 2069 2070 2071
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
2072 2073
    CaptureState *s;

2074
    s = g_malloc0 (sizeof (*s));
B
bellard 已提交
2075 2076 2077 2078 2079 2080

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

    if (wav_start_capture (s, path, freq, bits, nchannels)) {
2081
        monitor_printf(mon, "Failed to add wave capture\n");
2082
        g_free (s);
2083
        return;
B
bellard 已提交
2084
    }
B
Blue Swirl 已提交
2085
    QLIST_INSERT_HEAD (&capture_head, s, entries);
B
bellard 已提交
2086 2087
}

J
Jan Kiszka 已提交
2088
static qemu_acl *find_acl(Monitor *mon, const char *name)
2089
{
J
Jan Kiszka 已提交
2090
    qemu_acl *acl = qemu_acl_find(name);
2091 2092

    if (!acl) {
J
Jan Kiszka 已提交
2093
        monitor_printf(mon, "acl: unknown list '%s'\n", name);
2094
    }
J
Jan Kiszka 已提交
2095 2096 2097
    return acl;
}

2098
static void do_acl_show(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
2099
{
2100
    const char *aclname = qdict_get_str(qdict, "aclname");
J
Jan Kiszka 已提交
2101 2102 2103
    qemu_acl *acl = find_acl(mon, aclname);
    qemu_acl_entry *entry;
    int i = 0;
2104

J
Jan Kiszka 已提交
2105
    if (acl) {
2106
        monitor_printf(mon, "policy: %s\n",
2107
                       acl->defaultDeny ? "deny" : "allow");
B
Blue Swirl 已提交
2108
        QTAILQ_FOREACH(entry, &acl->entries, next) {
2109 2110
            i++;
            monitor_printf(mon, "%d: %s %s\n", i,
J
Jan Kiszka 已提交
2111
                           entry->deny ? "deny" : "allow", entry->match);
2112
        }
J
Jan Kiszka 已提交
2113 2114 2115
    }
}

2116
static void do_acl_reset(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
2117
{
2118
    const char *aclname = qdict_get_str(qdict, "aclname");
J
Jan Kiszka 已提交
2119 2120 2121
    qemu_acl *acl = find_acl(mon, aclname);

    if (acl) {
2122 2123
        qemu_acl_reset(acl);
        monitor_printf(mon, "acl: removed all rules\n");
J
Jan Kiszka 已提交
2124 2125 2126
    }
}

2127
static void do_acl_policy(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
2128
{
2129 2130
    const char *aclname = qdict_get_str(qdict, "aclname");
    const char *policy = qdict_get_str(qdict, "policy");
J
Jan Kiszka 已提交
2131
    qemu_acl *acl = find_acl(mon, aclname);
2132

J
Jan Kiszka 已提交
2133 2134
    if (acl) {
        if (strcmp(policy, "allow") == 0) {
2135 2136
            acl->defaultDeny = 0;
            monitor_printf(mon, "acl: policy set to 'allow'\n");
J
Jan Kiszka 已提交
2137
        } else if (strcmp(policy, "deny") == 0) {
2138 2139 2140
            acl->defaultDeny = 1;
            monitor_printf(mon, "acl: policy set to 'deny'\n");
        } else {
J
Jan Kiszka 已提交
2141 2142
            monitor_printf(mon, "acl: unknown policy '%s', "
                           "expected 'deny' or 'allow'\n", policy);
2143
        }
J
Jan Kiszka 已提交
2144 2145
    }
}
2146

2147
static void do_acl_add(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
2148
{
2149 2150 2151 2152 2153
    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
2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164
    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);
2165 2166 2167 2168 2169 2170 2171 2172 2173 2174
            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
2175 2176
    }
}
2177

2178
static void do_acl_remove(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
2179
{
2180 2181
    const char *aclname = qdict_get_str(qdict, "aclname");
    const char *match = qdict_get_str(qdict, "match");
J
Jan Kiszka 已提交
2182 2183
    qemu_acl *acl = find_acl(mon, aclname);
    int ret;
2184

J
Jan Kiszka 已提交
2185
    if (acl) {
2186 2187 2188 2189 2190
        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);
2191 2192 2193
    }
}

2194
#if defined(TARGET_I386)
2195
static void do_inject_mce(Monitor *mon, const QDict *qdict)
2196
{
2197
    X86CPU *cpu;
2198
    CPUState *cs;
2199 2200 2201 2202 2203 2204
    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");
2205
    int flags = MCE_INJECT_UNCOND_AO;
2206

2207 2208 2209
    if (qdict_get_try_bool(qdict, "broadcast", 0)) {
        flags |= MCE_INJECT_BROADCAST;
    }
2210 2211 2212 2213 2214
    cs = qemu_get_cpu(cpu_index);
    if (cs != NULL) {
        cpu = X86_CPU(cs);
        cpu_x86_inject_mce(mon, cpu, bank, status, mcg_status, addr, misc,
                           flags);
2215
    }
2216 2217 2218
}
#endif

C
Corey Bryant 已提交
2219
void qmp_getfd(const char *fdname, Error **errp)
2220
{
A
Anthony Liguori 已提交
2221
    mon_fd_t *monfd;
2222 2223
    int fd;

C
Corey Bryant 已提交
2224
    fd = qemu_chr_fe_get_msgfd(cur_mon->chr);
2225
    if (fd == -1) {
C
Corey Bryant 已提交
2226 2227
        error_set(errp, QERR_FD_NOT_SUPPLIED);
        return;
2228 2229 2230
    }

    if (qemu_isdigit(fdname[0])) {
2231
        close(fd);
C
Corey Bryant 已提交
2232 2233 2234
        error_set(errp, QERR_INVALID_PARAMETER_VALUE, "fdname",
                  "a name not starting with a digit");
        return;
2235 2236
    }

C
Corey Bryant 已提交
2237
    QLIST_FOREACH(monfd, &cur_mon->fds, next) {
2238 2239 2240 2241 2242 2243
        if (strcmp(monfd->name, fdname) != 0) {
            continue;
        }

        close(monfd->fd);
        monfd->fd = fd;
C
Corey Bryant 已提交
2244
        return;
2245 2246
    }

2247 2248
    monfd = g_malloc0(sizeof(mon_fd_t));
    monfd->name = g_strdup(fdname);
2249 2250
    monfd->fd = fd;

C
Corey Bryant 已提交
2251
    QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next);
2252 2253
}

C
Corey Bryant 已提交
2254
void qmp_closefd(const char *fdname, Error **errp)
2255
{
A
Anthony Liguori 已提交
2256
    mon_fd_t *monfd;
2257

C
Corey Bryant 已提交
2258
    QLIST_FOREACH(monfd, &cur_mon->fds, next) {
2259 2260 2261 2262
        if (strcmp(monfd->name, fdname) != 0) {
            continue;
        }

B
Blue Swirl 已提交
2263
        QLIST_REMOVE(monfd, next);
2264
        close(monfd->fd);
2265 2266
        g_free(monfd->name);
        g_free(monfd);
C
Corey Bryant 已提交
2267
        return;
2268 2269
    }

C
Corey Bryant 已提交
2270
    error_set(errp, QERR_FD_NOT_FOUND, fdname);
2271 2272
}

2273
static void do_loadvm(Monitor *mon, const QDict *qdict)
J
Juan Quintela 已提交
2274
{
2275
    int saved_vm_running  = runstate_is_running();
2276
    const char *name = qdict_get_str(qdict, "name");
J
Juan Quintela 已提交
2277

2278
    vm_stop(RUN_STATE_RESTORE_VM);
J
Juan Quintela 已提交
2279

2280
    if (load_vmstate(name) == 0 && saved_vm_running) {
J
Juan Quintela 已提交
2281
        vm_start();
2282
    }
J
Juan Quintela 已提交
2283 2284
}

2285
int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
2286
{
A
Anthony Liguori 已提交
2287
    mon_fd_t *monfd;
2288

B
Blue Swirl 已提交
2289
    QLIST_FOREACH(monfd, &mon->fds, next) {
2290 2291 2292 2293 2294 2295 2296 2297 2298
        int fd;

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

        fd = monfd->fd;

        /* caller takes ownership of fd */
B
Blue Swirl 已提交
2299
        QLIST_REMOVE(monfd, next);
2300 2301
        g_free(monfd->name);
        g_free(monfd);
2302 2303 2304 2305

        return fd;
    }

2306
    error_setg(errp, "File descriptor named '%s' has not been found", fdname);
2307 2308 2309
    return -1;
}

2310 2311 2312 2313 2314 2315
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) {
2316 2317 2318
        if ((mon_fdset_fd->removed ||
                (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) &&
                runstate_is_running()) {
2319 2320 2321 2322 2323 2324 2325
            close(mon_fdset_fd->fd);
            g_free(mon_fdset_fd->opaque);
            QLIST_REMOVE(mon_fdset_fd, next);
            g_free(mon_fdset_fd);
        }
    }

2326
    if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) {
2327 2328 2329 2330 2331
        QLIST_REMOVE(mon_fdset, next);
        g_free(mon_fdset);
    }
}

2332 2333 2334 2335 2336 2337 2338 2339 2340 2341
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);
    }
}

2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354
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;
    }

2355 2356 2357 2358
    fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id,
                                  has_opaque, opaque, errp);
    if (fdinfo) {
        return fdinfo;
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 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444
    }

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;
}

2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525
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;
}

2526 2527
int monitor_fdset_get_fd(int64_t fdset_id, int flags)
{
2528
#ifndef _WIN32
2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608
    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);
}

2609 2610 2611
int monitor_handle_fd_param(Monitor *mon, const char *fdname)
{
    int fd;
2612
    Error *local_err = NULL;
2613

2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625
    fd = monitor_handle_fd_param2(mon, fdname, &local_err);
    if (local_err) {
        qerror_report_err(local_err);
        error_free(local_err);
    }
    return fd;
}

int monitor_handle_fd_param2(Monitor *mon, const char *fdname, Error **errp)
{
    int fd;
    Error *local_err = NULL;
2626

2627
    if (!qemu_isdigit(fdname[0]) && mon) {
2628
        fd = monitor_get_fd(mon, fdname, &local_err);
2629 2630
    } else {
        fd = qemu_parse_fd(fdname);
2631
        if (fd == -1) {
2632 2633
            error_setg(&local_err, "Invalid file descriptor number '%s'",
                       fdname);
2634
        }
2635 2636 2637 2638
    }
    if (local_err) {
        error_propagate(errp, local_err);
        assert(fd == -1);
2639
    } else {
2640
        assert(fd != -1);
2641 2642 2643 2644 2645
    }

    return fd;
}

2646
/* Please update hmp-commands.hx when adding or changing commands */
2647
static mon_cmd_t info_cmds[] = {
2648 2649 2650 2651 2652
    {
        .name       = "version",
        .args_type  = "",
        .params     = "",
        .help       = "show the version of QEMU",
W
Wenchao Xia 已提交
2653
        .mhandler.cmd = hmp_info_version,
2654 2655 2656 2657 2658 2659
    },
    {
        .name       = "network",
        .args_type  = "",
        .params     = "",
        .help       = "show the network state",
W
Wenchao Xia 已提交
2660
        .mhandler.cmd = do_info_network,
2661 2662 2663 2664 2665 2666
    },
    {
        .name       = "chardev",
        .args_type  = "",
        .params     = "",
        .help       = "show the character devices",
W
Wenchao Xia 已提交
2667
        .mhandler.cmd = hmp_info_chardev,
2668 2669 2670
    },
    {
        .name       = "block",
2671 2672 2673 2674
        .args_type  = "verbose:-v,device:B?",
        .params     = "[-v] [device]",
        .help       = "show info of one block device or all block devices "
                      "(and details of images with -v option)",
W
Wenchao Xia 已提交
2675
        .mhandler.cmd = hmp_info_block,
2676 2677 2678 2679 2680 2681
    },
    {
        .name       = "blockstats",
        .args_type  = "",
        .params     = "",
        .help       = "show block device statistics",
W
Wenchao Xia 已提交
2682
        .mhandler.cmd = hmp_info_blockstats,
2683
    },
S
Stefan Hajnoczi 已提交
2684 2685 2686 2687 2688
    {
        .name       = "block-jobs",
        .args_type  = "",
        .params     = "",
        .help       = "show progress of ongoing block device operations",
W
Wenchao Xia 已提交
2689
        .mhandler.cmd = hmp_info_block_jobs,
S
Stefan Hajnoczi 已提交
2690
    },
2691 2692 2693 2694 2695
    {
        .name       = "registers",
        .args_type  = "",
        .params     = "",
        .help       = "show the cpu registers",
W
Wenchao Xia 已提交
2696
        .mhandler.cmd = do_info_registers,
2697 2698 2699 2700 2701 2702
    },
    {
        .name       = "cpus",
        .args_type  = "",
        .params     = "",
        .help       = "show infos for each CPU",
W
Wenchao Xia 已提交
2703
        .mhandler.cmd = hmp_info_cpus,
2704 2705 2706 2707 2708 2709
    },
    {
        .name       = "history",
        .args_type  = "",
        .params     = "",
        .help       = "show the command line history",
W
Wenchao Xia 已提交
2710
        .mhandler.cmd = do_info_history,
2711
    },
2712 2713
#if defined(TARGET_I386) || defined(TARGET_PPC) || defined(TARGET_MIPS) || \
    defined(TARGET_LM32) || (defined(TARGET_SPARC) && !defined(TARGET_SPARC64))
2714 2715 2716 2717 2718
    {
        .name       = "irq",
        .args_type  = "",
        .params     = "",
        .help       = "show the interrupts statistics (if available)",
2719
#ifdef TARGET_SPARC
W
Wenchao Xia 已提交
2720
        .mhandler.cmd = sun4m_irq_info,
2721
#elif defined(TARGET_LM32)
W
Wenchao Xia 已提交
2722
        .mhandler.cmd = lm32_irq_info,
2723
#else
W
Wenchao Xia 已提交
2724
        .mhandler.cmd = irq_info,
2725
#endif
2726 2727 2728 2729 2730 2731
    },
    {
        .name       = "pic",
        .args_type  = "",
        .params     = "",
        .help       = "show i8259 (PIC) state",
2732
#ifdef TARGET_SPARC
W
Wenchao Xia 已提交
2733
        .mhandler.cmd = sun4m_pic_info,
2734
#elif defined(TARGET_LM32)
W
Wenchao Xia 已提交
2735
        .mhandler.cmd = lm32_do_pic_info,
2736
#else
W
Wenchao Xia 已提交
2737
        .mhandler.cmd = pic_info,
2738
#endif
2739
    },
2740
#endif
2741 2742 2743 2744 2745
    {
        .name       = "pci",
        .args_type  = "",
        .params     = "",
        .help       = "show PCI info",
W
Wenchao Xia 已提交
2746
        .mhandler.cmd = hmp_info_pci,
2747
    },
S
Scott Wood 已提交
2748
#if defined(TARGET_I386) || defined(TARGET_SH4) || defined(TARGET_SPARC) || \
2749
    defined(TARGET_PPC) || defined(TARGET_XTENSA)
2750 2751 2752 2753 2754
    {
        .name       = "tlb",
        .args_type  = "",
        .params     = "",
        .help       = "show virtual to physical memory mappings",
W
Wenchao Xia 已提交
2755
        .mhandler.cmd = tlb_info,
2756
    },
A
aurel32 已提交
2757 2758
#endif
#if defined(TARGET_I386)
2759 2760 2761 2762 2763
    {
        .name       = "mem",
        .args_type  = "",
        .params     = "",
        .help       = "show the active virtual memory mappings",
W
Wenchao Xia 已提交
2764
        .mhandler.cmd = mem_info,
2765
    },
B
bellard 已提交
2766
#endif
B
Blue Swirl 已提交
2767 2768 2769 2770 2771
    {
        .name       = "mtree",
        .args_type  = "",
        .params     = "",
        .help       = "show memory tree",
W
Wenchao Xia 已提交
2772
        .mhandler.cmd = do_info_mtree,
B
Blue Swirl 已提交
2773
    },
2774 2775 2776 2777 2778
    {
        .name       = "jit",
        .args_type  = "",
        .params     = "",
        .help       = "show dynamic compiler info",
W
Wenchao Xia 已提交
2779
        .mhandler.cmd = do_info_jit,
2780 2781 2782 2783 2784 2785
    },
    {
        .name       = "kvm",
        .args_type  = "",
        .params     = "",
        .help       = "show KVM information",
W
Wenchao Xia 已提交
2786
        .mhandler.cmd = hmp_info_kvm,
2787 2788 2789 2790 2791 2792
    },
    {
        .name       = "numa",
        .args_type  = "",
        .params     = "",
        .help       = "show NUMA information",
W
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2793
        .mhandler.cmd = do_info_numa,
2794 2795 2796 2797 2798 2799
    },
    {
        .name       = "usb",
        .args_type  = "",
        .params     = "",
        .help       = "show guest USB devices",
W
Wenchao Xia 已提交
2800
        .mhandler.cmd = usb_info,
2801 2802 2803 2804 2805 2806
    },
    {
        .name       = "usbhost",
        .args_type  = "",
        .params     = "",
        .help       = "show host USB devices",
W
Wenchao Xia 已提交
2807
        .mhandler.cmd = usb_host_info,
2808 2809 2810 2811 2812 2813
    },
    {
        .name       = "profile",
        .args_type  = "",
        .params     = "",
        .help       = "show profiling information",
W
Wenchao Xia 已提交
2814
        .mhandler.cmd = do_info_profile,
2815 2816 2817 2818 2819 2820
    },
    {
        .name       = "capture",
        .args_type  = "",
        .params     = "",
        .help       = "show capture information",
W
Wenchao Xia 已提交
2821
        .mhandler.cmd = do_info_capture,
2822 2823 2824 2825 2826 2827
    },
    {
        .name       = "snapshots",
        .args_type  = "",
        .params     = "",
        .help       = "show the currently saved VM snapshots",
W
Wenchao Xia 已提交
2828
        .mhandler.cmd = do_info_snapshots,
2829 2830 2831 2832 2833 2834
    },
    {
        .name       = "status",
        .args_type  = "",
        .params     = "",
        .help       = "show the current VM status (running|paused)",
W
Wenchao Xia 已提交
2835
        .mhandler.cmd = hmp_info_status,
2836 2837 2838 2839 2840 2841
    },
    {
        .name       = "pcmcia",
        .args_type  = "",
        .params     = "",
        .help       = "show guest PCMCIA status",
W
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2842
        .mhandler.cmd = pcmcia_info,
2843 2844 2845 2846 2847 2848
    },
    {
        .name       = "mice",
        .args_type  = "",
        .params     = "",
        .help       = "show which guest mouse is receiving events",
W
Wenchao Xia 已提交
2849
        .mhandler.cmd = hmp_info_mice,
2850 2851 2852 2853 2854 2855
    },
    {
        .name       = "vnc",
        .args_type  = "",
        .params     = "",
        .help       = "show the vnc server status",
W
Wenchao Xia 已提交
2856
        .mhandler.cmd = hmp_info_vnc,
2857
    },
2858 2859 2860 2861 2862 2863
#if defined(CONFIG_SPICE)
    {
        .name       = "spice",
        .args_type  = "",
        .params     = "",
        .help       = "show the spice server status",
W
Wenchao Xia 已提交
2864
        .mhandler.cmd = hmp_info_spice,
2865 2866
    },
#endif
2867 2868 2869 2870 2871
    {
        .name       = "name",
        .args_type  = "",
        .params     = "",
        .help       = "show the current VM name",
W
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2872
        .mhandler.cmd = hmp_info_name,
2873 2874 2875 2876 2877 2878
    },
    {
        .name       = "uuid",
        .args_type  = "",
        .params     = "",
        .help       = "show the current VM UUID",
W
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2879
        .mhandler.cmd = hmp_info_uuid,
2880 2881 2882 2883 2884 2885
    },
    {
        .name       = "cpustats",
        .args_type  = "",
        .params     = "",
        .help       = "show CPU statistics",
W
Wenchao Xia 已提交
2886
        .mhandler.cmd = do_info_cpu_stats,
2887
    },
2888
#if defined(CONFIG_SLIRP)
2889 2890 2891 2892 2893
    {
        .name       = "usernet",
        .args_type  = "",
        .params     = "",
        .help       = "show user network stack connection states",
W
Wenchao Xia 已提交
2894
        .mhandler.cmd = do_info_usernet,
2895
    },
2896
#endif
2897 2898 2899 2900 2901
    {
        .name       = "migrate",
        .args_type  = "",
        .params     = "",
        .help       = "show migration status",
W
Wenchao Xia 已提交
2902
        .mhandler.cmd = hmp_info_migrate,
2903
    },
O
Orit Wasserman 已提交
2904 2905 2906 2907 2908
    {
        .name       = "migrate_capabilities",
        .args_type  = "",
        .params     = "",
        .help       = "show current migration capabilities",
W
Wenchao Xia 已提交
2909
        .mhandler.cmd = hmp_info_migrate_capabilities,
O
Orit Wasserman 已提交
2910
    },
2911 2912 2913 2914 2915
    {
        .name       = "migrate_cache_size",
        .args_type  = "",
        .params     = "",
        .help       = "show current migration xbzrle cache size",
W
Wenchao Xia 已提交
2916
        .mhandler.cmd = hmp_info_migrate_cache_size,
2917
    },
2918 2919 2920 2921 2922
    {
        .name       = "balloon",
        .args_type  = "",
        .params     = "",
        .help       = "show balloon information",
W
Wenchao Xia 已提交
2923
        .mhandler.cmd = hmp_info_balloon,
2924 2925 2926 2927 2928 2929
    },
    {
        .name       = "qtree",
        .args_type  = "",
        .params     = "",
        .help       = "show device tree",
W
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2930
        .mhandler.cmd = do_info_qtree,
2931 2932 2933 2934 2935 2936
    },
    {
        .name       = "qdm",
        .args_type  = "",
        .params     = "",
        .help       = "show qdev device model list",
W
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2937
        .mhandler.cmd = do_info_qdm,
2938 2939 2940 2941 2942 2943
    },
    {
        .name       = "roms",
        .args_type  = "",
        .params     = "",
        .help       = "show roms",
W
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2944
        .mhandler.cmd = do_info_roms,
2945
    },
2946 2947 2948 2949 2950
    {
        .name       = "trace-events",
        .args_type  = "",
        .params     = "",
        .help       = "show available trace-events & their state",
W
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2951
        .mhandler.cmd = do_trace_print_events,
2952
    },
2953 2954 2955 2956 2957 2958 2959
    {
        .name       = "tpm",
        .args_type  = "",
        .params     = "",
        .help       = "show the TPM device",
        .mhandler.cmd = hmp_info_tpm,
    },
2960 2961 2962
    {
        .name       = NULL,
    },
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2963 2964
};

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2965 2966 2967 2968 2969 2970
/* mon_cmds and info_cmds would be sorted at runtime */
static mon_cmd_t mon_cmds[] = {
#include "hmp-commands.h"
    { NULL, NULL, },
};

2971
static const mon_cmd_t qmp_cmds[] = {
2972
#include "qmp-commands-old.h"
2973 2974 2975
    { /* NULL */ },
};

2976 2977 2978
/*******************************************************************/

static const char *pch;
2979
static sigjmp_buf expr_env;
2980

B
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2981 2982 2983
#define MD_TLONG 0
#define MD_I32   1

2984 2985 2986
typedef struct MonitorDef {
    const char *name;
    int offset;
B
blueswir1 已提交
2987
    target_long (*get_value)(const struct MonitorDef *md, int val);
B
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2988
    int type;
2989 2990
} MonitorDef;

B
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2991
#if defined(TARGET_I386)
B
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2992
static target_long monitor_get_pc (const struct MonitorDef *md, int val)
B
bellard 已提交
2993
{
2994
    CPUArchState *env = mon_get_cpu();
B
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2995
    return env->eip + env->segs[R_CS].base;
B
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2996 2997 2998
}
#endif

2999
#if defined(TARGET_PPC)
B
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3000
static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
3001
{
3002
    CPUArchState *env = mon_get_cpu();
3003 3004 3005 3006 3007
    unsigned int u;
    int i;

    u = 0;
    for (i = 0; i < 8; i++)
3008
        u |= env->crf[i] << (32 - (4 * i));
3009 3010 3011 3012

    return u;
}

B
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3013
static target_long monitor_get_msr (const struct MonitorDef *md, int val)
3014
{
3015
    CPUArchState *env = mon_get_cpu();
3016
    return env->msr;
3017 3018
}

B
blueswir1 已提交
3019
static target_long monitor_get_xer (const struct MonitorDef *md, int val)
3020
{
3021
    CPUArchState *env = mon_get_cpu();
A
aurel32 已提交
3022
    return env->xer;
3023
}
3024

B
blueswir1 已提交
3025
static target_long monitor_get_decr (const struct MonitorDef *md, int val)
3026
{
3027
    CPUArchState *env = mon_get_cpu();
B
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3028
    return cpu_ppc_load_decr(env);
3029 3030
}

B
blueswir1 已提交
3031
static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
3032
{
3033
    CPUArchState *env = mon_get_cpu();
B
bellard 已提交
3034
    return cpu_ppc_load_tbu(env);
3035 3036
}

B
blueswir1 已提交
3037
static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
3038
{
3039
    CPUArchState *env = mon_get_cpu();
B
bellard 已提交
3040
    return cpu_ppc_load_tbl(env);
3041
}
3042 3043
#endif

3044
#if defined(TARGET_SPARC)
B
bellard 已提交
3045
#ifndef TARGET_SPARC64
B
blueswir1 已提交
3046
static target_long monitor_get_psr (const struct MonitorDef *md, int val)
3047
{
3048
    CPUArchState *env = mon_get_cpu();
3049 3050

    return cpu_get_psr(env);
3051
}
B
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3052
#endif
3053

B
blueswir1 已提交
3054
static target_long monitor_get_reg(const struct MonitorDef *md, int val)
3055
{
3056
    CPUArchState *env = mon_get_cpu();
B
bellard 已提交
3057
    return env->regwptr[val];
3058 3059 3060
}
#endif

B
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3061
static const MonitorDef monitor_defs[] = {
3062
#ifdef TARGET_I386
B
bellard 已提交
3063 3064

#define SEG(name, seg) \
3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076
    { 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
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3077
#ifdef TARGET_X86_64
3078 3079 3080 3081 3082 3083 3084 3085
    { "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
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3086
#endif
3087 3088
    { "eflags", offsetof(CPUX86State, eflags) },
    { "eip", offsetof(CPUX86State, eip) },
B
bellard 已提交
3089 3090 3091
    SEG("cs", R_CS)
    SEG("ds", R_DS)
    SEG("es", R_ES)
B
bellard 已提交
3092
    SEG("ss", R_SS)
B
bellard 已提交
3093 3094 3095
    SEG("fs", R_FS)
    SEG("gs", R_GS)
    { "pc", 0, monitor_get_pc, },
3096
#elif defined(TARGET_PPC)
J
j_mayer 已提交
3097
    /* General purpose registers */
3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129
    { "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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3130
    /* Floating point registers */
3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163
    { "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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3164
    /* Next instruction pointer */
3165 3166 3167
    { "nip|pc", offsetof(CPUPPCState, nip) },
    { "lr", offsetof(CPUPPCState, lr) },
    { "ctr", offsetof(CPUPPCState, ctr) },
3168
    { "decr", 0, &monitor_get_decr, },
3169
    { "ccr", 0, &monitor_get_ccr, },
J
j_mayer 已提交
3170
    /* Machine state register */
3171 3172
    { "msr", 0, &monitor_get_msr, },
    { "xer", 0, &monitor_get_xer, },
3173 3174
    { "tbu", 0, &monitor_get_tbu, },
    { "tbl", 0, &monitor_get_tbl, },
J
j_mayer 已提交
3175
    /* Segment registers */
3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192
    { "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
3193
    /* Too lazy to put BATs... */
3194 3195 3196 3197
    { "pvr", offsetof(CPUPPCState, spr[SPR_PVR]) },

    { "srr0", offsetof(CPUPPCState, spr[SPR_SRR0]) },
    { "srr1", offsetof(CPUPPCState, spr[SPR_SRR1]) },
3198 3199 3200
    { "dar", offsetof(CPUPPCState, spr[SPR_DAR]) },
    { "dsisr", offsetof(CPUPPCState, spr[SPR_DSISR]) },
    { "cfar", offsetof(CPUPPCState, spr[SPR_CFAR]) },
3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264
    { "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
3265

3266
#elif defined(TARGET_SPARC)
3267 3268 3269 3270 3271 3272 3273 3274
    { "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]) },
3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298
    { "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 },
3299 3300 3301
    { "pc", offsetof(CPUSPARCState, pc) },
    { "npc", offsetof(CPUSPARCState, npc) },
    { "y", offsetof(CPUSPARCState, y) },
B
bellard 已提交
3302
#ifndef TARGET_SPARC64
3303
    { "psr", 0, &monitor_get_psr, },
3304
    { "wim", offsetof(CPUSPARCState, wim) },
B
bellard 已提交
3305
#endif
3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339
    { "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
bellard 已提交
3340
#ifdef TARGET_SPARC64
3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364
    { "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
3365
#endif
3366 3367 3368 3369
#endif
    { NULL },
};

3370 3371
static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
expr_error(Monitor *mon, const char *fmt, ...)
B
bellard 已提交
3372
{
3373 3374 3375 3376 3377
    va_list ap;
    va_start(ap, fmt);
    monitor_vprintf(mon, fmt, ap);
    monitor_printf(mon, "\n");
    va_end(ap);
3378
    siglongjmp(expr_env, 1);
3379 3380
}

3381
/* return 0 if OK, -1 if not found */
B
bellard 已提交
3382
static int get_monitor_def(target_long *pval, const char *name)
3383
{
B
blueswir1 已提交
3384
    const MonitorDef *md;
B
bellard 已提交
3385 3386
    void *ptr;

3387 3388 3389
    for(md = monitor_defs; md->name != NULL; md++) {
        if (compare_cmd(name, md->name)) {
            if (md->get_value) {
3390
                *pval = md->get_value(md, md->offset);
3391
            } else {
3392
                CPUArchState *env = mon_get_cpu();
B
bellard 已提交
3393
                ptr = (uint8_t *)env + md->offset;
B
bellard 已提交
3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404
                switch(md->type) {
                case MD_I32:
                    *pval = *(int32_t *)ptr;
                    break;
                case MD_TLONG:
                    *pval = *(target_long *)ptr;
                    break;
                default:
                    *pval = 0;
                    break;
                }
3405 3406 3407 3408 3409 3410 3411 3412 3413
            }
            return 0;
        }
    }
    return -1;
}

static void next(void)
{
3414
    if (*pch != '\0') {
3415
        pch++;
3416
        while (qemu_isspace(*pch))
3417 3418 3419 3420
            pch++;
    }
}

A
aliguori 已提交
3421
static int64_t expr_sum(Monitor *mon);
3422

A
aliguori 已提交
3423
static int64_t expr_unary(Monitor *mon)
3424
{
B
blueswir1 已提交
3425
    int64_t n;
3426
    char *p;
B
bellard 已提交
3427
    int ret;
3428 3429 3430 3431

    switch(*pch) {
    case '+':
        next();
A
aliguori 已提交
3432
        n = expr_unary(mon);
3433 3434 3435
        break;
    case '-':
        next();
A
aliguori 已提交
3436
        n = -expr_unary(mon);
3437 3438 3439
        break;
    case '~':
        next();
A
aliguori 已提交
3440
        n = ~expr_unary(mon);
3441 3442 3443
        break;
    case '(':
        next();
A
aliguori 已提交
3444
        n = expr_sum(mon);
3445
        if (*pch != ')') {
A
aliguori 已提交
3446
            expr_error(mon, "')' expected");
3447 3448 3449
        }
        next();
        break;
B
bellard 已提交
3450 3451 3452
    case '\'':
        pch++;
        if (*pch == '\0')
A
aliguori 已提交
3453
            expr_error(mon, "character constant expected");
B
bellard 已提交
3454 3455 3456
        n = *pch;
        pch++;
        if (*pch != '\'')
A
aliguori 已提交
3457
            expr_error(mon, "missing terminating \' character");
B
bellard 已提交
3458 3459
        next();
        break;
3460 3461 3462
    case '$':
        {
            char buf[128], *q;
3463
            target_long reg=0;
3464

3465 3466 3467 3468 3469
            pch++;
            q = buf;
            while ((*pch >= 'a' && *pch <= 'z') ||
                   (*pch >= 'A' && *pch <= 'Z') ||
                   (*pch >= '0' && *pch <= '9') ||
B
bellard 已提交
3470
                   *pch == '_' || *pch == '.') {
3471 3472 3473 3474
                if ((q - buf) < sizeof(buf) - 1)
                    *q++ = *pch;
                pch++;
            }
3475
            while (qemu_isspace(*pch))
3476 3477
                pch++;
            *q = 0;
3478
            ret = get_monitor_def(&reg, buf);
3479
            if (ret < 0)
A
aliguori 已提交
3480
                expr_error(mon, "unknown register");
3481
            n = reg;
3482 3483 3484
        }
        break;
    case '\0':
A
aliguori 已提交
3485
        expr_error(mon, "unexpected end of expression");
3486 3487 3488
        n = 0;
        break;
    default:
3489
        errno = 0;
B
bellard 已提交
3490
        n = strtoull(pch, &p, 0);
3491 3492 3493
        if (errno == ERANGE) {
            expr_error(mon, "number too large");
        }
3494
        if (pch == p) {
3495
            expr_error(mon, "invalid char '%c' in expression", *p);
3496 3497
        }
        pch = p;
3498
        while (qemu_isspace(*pch))
3499 3500 3501 3502 3503 3504 3505
            pch++;
        break;
    }
    return n;
}


A
aliguori 已提交
3506
static int64_t expr_prod(Monitor *mon)
3507
{
B
blueswir1 已提交
3508
    int64_t val, val2;
B
bellard 已提交
3509
    int op;
3510

A
aliguori 已提交
3511
    val = expr_unary(mon);
3512 3513 3514 3515 3516
    for(;;) {
        op = *pch;
        if (op != '*' && op != '/' && op != '%')
            break;
        next();
A
aliguori 已提交
3517
        val2 = expr_unary(mon);
3518 3519 3520 3521 3522 3523 3524
        switch(op) {
        default:
        case '*':
            val *= val2;
            break;
        case '/':
        case '%':
3525
            if (val2 == 0)
A
aliguori 已提交
3526
                expr_error(mon, "division by zero");
3527 3528 3529 3530 3531 3532 3533 3534 3535 3536
            if (op == '/')
                val /= val2;
            else
                val %= val2;
            break;
        }
    }
    return val;
}

A
aliguori 已提交
3537
static int64_t expr_logic(Monitor *mon)
3538
{
B
blueswir1 已提交
3539
    int64_t val, val2;
B
bellard 已提交
3540
    int op;
3541

A
aliguori 已提交
3542
    val = expr_prod(mon);
3543 3544 3545 3546 3547
    for(;;) {
        op = *pch;
        if (op != '&' && op != '|' && op != '^')
            break;
        next();
A
aliguori 已提交
3548
        val2 = expr_prod(mon);
3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564
        switch(op) {
        default:
        case '&':
            val &= val2;
            break;
        case '|':
            val |= val2;
            break;
        case '^':
            val ^= val2;
            break;
        }
    }
    return val;
}

A
aliguori 已提交
3565
static int64_t expr_sum(Monitor *mon)
3566
{
B
blueswir1 已提交
3567
    int64_t val, val2;
B
bellard 已提交
3568
    int op;
3569

A
aliguori 已提交
3570
    val = expr_logic(mon);
3571 3572 3573 3574 3575
    for(;;) {
        op = *pch;
        if (op != '+' && op != '-')
            break;
        next();
A
aliguori 已提交
3576
        val2 = expr_logic(mon);
3577 3578 3579 3580 3581 3582 3583 3584
        if (op == '+')
            val += val2;
        else
            val -= val2;
    }
    return val;
}

A
aliguori 已提交
3585
static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
3586 3587
{
    pch = *pp;
3588
    if (sigsetjmp(expr_env, 0)) {
3589 3590 3591
        *pp = pch;
        return -1;
    }
3592
    while (qemu_isspace(*pch))
3593
        pch++;
A
aliguori 已提交
3594
    *pval = expr_sum(mon);
3595 3596 3597 3598
    *pp = pch;
    return 0;
}

3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618 3619
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;
}

3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644 3645
/*
 * 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;
}

3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664
/**
 * 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;

3665
    str = g_malloc(len + 1);
3666 3667 3668 3669 3670 3671 3672
    memcpy(str, type, len);
    str[len] = '\0';

    *key = str;
    return ++p;
}

3673 3674 3675
static int default_fmt_format = 'x';
static int default_fmt_size = 4;

3676 3677 3678 3679 3680 3681 3682 3683 3684 3685 3686 3687
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);
}

3688 3689
static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table,
                                              const char *cmdname)
3690 3691 3692
{
    const mon_cmd_t *cmd;

3693
    for (cmd = disp_table; cmd->name != NULL; cmd++) {
3694 3695 3696 3697 3698 3699 3700 3701
        if (compare_cmd(cmdname, cmd->name)) {
            return cmd;
        }
    }

    return NULL;
}

L
Luiz Capitulino 已提交
3702 3703
static const mon_cmd_t *qmp_find_cmd(const char *cmdname)
{
3704
    return search_dispatch_table(qmp_cmds, cmdname);
L
Luiz Capitulino 已提交
3705 3706
}

3707 3708 3709 3710 3711
/*
 * Parse @cmdline according to command table @table.
 * If @cmdline is blank, return NULL.
 * If it can't be parsed, report to @mon, and return NULL.
 * Else, insert command arguments into @qdict, and return the command.
P
Peter Maydell 已提交
3712 3713 3714 3715
 * If a sub-command table exists, and if @cmdline contains an additional string
 * for a sub-command, this function will try to search the sub-command table.
 * If no additional string for a sub-command is present, this function will
 * return the command found in @table.
3716 3717 3718
 * Do not assume the returned command points into @table!  It doesn't
 * when the command is a sub-command.
 */
A
Anthony Liguori 已提交
3719
static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3720
                                              const char *cmdline,
3721 3722
                                              int start,
                                              mon_cmd_t *table,
3723
                                              QDict *qdict)
3724
{
3725
    const char *p, *typestr;
3726
    int c;
A
Anthony Liguori 已提交
3727
    const mon_cmd_t *cmd;
3728 3729
    char cmdname[256];
    char buf[1024];
3730
    char *key;
B
bellard 已提交
3731 3732

#ifdef DEBUG
3733
    monitor_printf(mon, "command='%s', start='%d'\n", cmdline, start);
B
bellard 已提交
3734
#endif
3735

3736
    /* extract the command name */
3737
    p = get_command_name(cmdline + start, cmdname, sizeof(cmdname));
3738
    if (!p)
3739
        return NULL;
3740

3741
    cmd = search_dispatch_table(table, cmdname);
3742
    if (!cmd) {
3743 3744
        monitor_printf(mon, "unknown command: '%.*s'\n",
                       (int)(p - cmdline), cmdline);
3745
        return NULL;
3746 3747
    }

3748 3749 3750 3751 3752 3753 3754 3755 3756 3757 3758 3759 3760 3761
    /* filter out following useless space */
    while (qemu_isspace(*p)) {
        p++;
    }
    /* search sub command */
    if (cmd->sub_table != NULL) {
        /* check if user set additional command */
        if (*p == '\0') {
            return cmd;
        }
        return monitor_parse_command(mon, cmdline, p - cmdline,
                                     cmd->sub_table, qdict);
    }

3762 3763
    /* parse the parameters */
    typestr = cmd->args_type;
B
bellard 已提交
3764
    for(;;) {
3765 3766
        typestr = key_get_info(typestr, &key);
        if (!typestr)
B
bellard 已提交
3767
            break;
3768
        c = *typestr;
3769 3770 3771
        typestr++;
        switch(c) {
        case 'F':
B
bellard 已提交
3772
        case 'B':
3773 3774 3775
        case 's':
            {
                int ret;
3776

3777
                while (qemu_isspace(*p))
3778 3779 3780 3781 3782
                    p++;
                if (*typestr == '?') {
                    typestr++;
                    if (*p == '\0') {
                        /* no optional string: NULL argument */
3783
                        break;
3784 3785 3786 3787
                    }
                }
                ret = get_str(buf, sizeof(buf), &p);
                if (ret < 0) {
B
bellard 已提交
3788 3789
                    switch(c) {
                    case 'F':
A
aliguori 已提交
3790 3791
                        monitor_printf(mon, "%s: filename expected\n",
                                       cmdname);
B
bellard 已提交
3792 3793
                        break;
                    case 'B':
A
aliguori 已提交
3794 3795
                        monitor_printf(mon, "%s: block device name expected\n",
                                       cmdname);
B
bellard 已提交
3796 3797
                        break;
                    default:
A
aliguori 已提交
3798
                        monitor_printf(mon, "%s: string expected\n", cmdname);
B
bellard 已提交
3799 3800
                        break;
                    }
3801 3802
                    goto fail;
                }
3803
                qdict_put(qdict, key, qstring_from_str(buf));
3804
            }
B
bellard 已提交
3805
            break;
3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830
        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;
3831 3832 3833
        case '/':
            {
                int count, format, size;
3834

3835
                while (qemu_isspace(*p))
3836 3837 3838 3839 3840
                    p++;
                if (*p == '/') {
                    /* format found */
                    p++;
                    count = 1;
3841
                    if (qemu_isdigit(*p)) {
3842
                        count = 0;
3843
                        while (qemu_isdigit(*p)) {
3844 3845 3846 3847 3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881
                            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:
3882
                    if (*p != '\0' && !qemu_isspace(*p)) {
A
aliguori 已提交
3883 3884
                        monitor_printf(mon, "invalid char in format: '%c'\n",
                                       *p);
3885 3886 3887 3888
                        goto fail;
                    }
                    if (format < 0)
                        format = default_fmt_format;
3889 3890 3891 3892
                    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
3893
                        default_fmt_size = size;
3894
                    }
3895 3896 3897 3898
                    default_fmt_format = format;
                } else {
                    count = 1;
                    format = default_fmt_format;
3899 3900 3901 3902 3903
                    if (format != 'i') {
                        size = default_fmt_size;
                    } else {
                        size = -1;
                    }
3904
                }
3905 3906 3907
                qdict_put(qdict, "count", qint_from_int(count));
                qdict_put(qdict, "format", qint_from_int(format));
                qdict_put(qdict, "size", qint_from_int(size));
3908
            }
B
bellard 已提交
3909
            break;
3910
        case 'i':
B
bellard 已提交
3911
        case 'l':
3912
        case 'M':
3913
            {
B
blueswir1 已提交
3914
                int64_t val;
3915

3916
                while (qemu_isspace(*p))
3917
                    p++;
B
bellard 已提交
3918 3919
                if (*typestr == '?' || *typestr == '.') {
                    if (*typestr == '?') {
3920 3921 3922 3923
                        if (*p == '\0') {
                            typestr++;
                            break;
                        }
B
bellard 已提交
3924 3925 3926
                    } else {
                        if (*p == '.') {
                            p++;
3927
                            while (qemu_isspace(*p))
B
bellard 已提交
3928 3929
                                p++;
                        } else {
3930 3931
                            typestr++;
                            break;
B
bellard 已提交
3932 3933
                        }
                    }
B
bellard 已提交
3934
                    typestr++;
3935
                }
A
aliguori 已提交
3936
                if (get_expr(mon, &val, &p))
3937
                    goto fail;
3938 3939 3940 3941 3942
                /* 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;
3943
                } else if (c == 'M') {
3944 3945 3946 3947
                    if (val < 0) {
                        monitor_printf(mon, "enter a positive value\n");
                        goto fail;
                    }
3948
                    val <<= 20;
3949
                }
3950
                qdict_put(qdict, key, qint_from_int(val));
3951 3952
            }
            break;
3953 3954
        case 'o':
            {
3955
                int64_t val;
3956 3957 3958 3959 3960 3961 3962 3963 3964 3965 3966 3967 3968 3969 3970 3971 3972 3973 3974 3975
                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;
3976
        case 'T':
3977 3978 3979 3980 3981 3982 3983 3984 3985 3986 3987 3988 3989 3990
            {
                double val;

                while (qemu_isspace(*p))
                    p++;
                if (*typestr == '?') {
                    typestr++;
                    if (*p == '\0') {
                        break;
                    }
                }
                if (get_double(mon, &val, &p) < 0) {
                    goto fail;
                }
3991
                if (p[0] && p[1] == 's') {
3992 3993 3994 3995 3996 3997 3998 3999 4000
                    switch (*p) {
                    case 'm':
                        val /= 1e3; p += 2; break;
                    case 'u':
                        val /= 1e6; p += 2; break;
                    case 'n':
                        val /= 1e9; p += 2; break;
                    }
                }
4001 4002 4003 4004 4005 4006 4007
                if (*p && !qemu_isspace(*p)) {
                    monitor_printf(mon, "Unknown unit suffix\n");
                    goto fail;
                }
                qdict_put(qdict, key, qfloat_from_double(val));
            }
            break;
4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030
        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;
4031 4032
        case '-':
            {
4033
                const char *tmp = p;
4034
                int skip_key = 0;
4035
                /* option */
4036

4037 4038 4039
                c = *typestr++;
                if (c == '\0')
                    goto bad_type;
4040
                while (qemu_isspace(*p))
4041 4042 4043
                    p++;
                if (*p == '-') {
                    p++;
4044 4045 4046 4047 4048 4049 4050 4051 4052 4053 4054 4055 4056
                    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 {
4057
                        /* has option */
4058
                        p++;
4059
                        qdict_put(qdict, key, qbool_from_int(1));
4060 4061 4062 4063
                    }
                }
            }
            break;
4064 4065 4066 4067 4068 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087 4088
        case 'S':
            {
                /* package all remaining string */
                int len;

                while (qemu_isspace(*p)) {
                    p++;
                }
                if (*typestr == '?') {
                    typestr++;
                    if (*p == '\0') {
                        /* no remaining string: NULL argument */
                        break;
                    }
                }
                len = strlen(p);
                if (len <= 0) {
                    monitor_printf(mon, "%s: string expected\n",
                                   cmdname);
                    break;
                }
                qdict_put(qdict, key, qstring_from_str(p));
                p += len;
            }
            break;
4089 4090
        default:
        bad_type:
A
aliguori 已提交
4091
            monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
4092 4093
            goto fail;
        }
4094
        g_free(key);
4095
        key = NULL;
B
bellard 已提交
4096
    }
4097
    /* check that all arguments were parsed */
4098
    while (qemu_isspace(*p))
4099 4100
        p++;
    if (*p != '\0') {
A
aliguori 已提交
4101 4102
        monitor_printf(mon, "%s: extraneous characters at the end of line\n",
                       cmdname);
4103
        goto fail;
B
bellard 已提交
4104
    }
4105

4106
    return cmd;
G
Gerd Hoffmann 已提交
4107

4108
fail:
4109
    g_free(key);
4110 4111 4112
    return NULL;
}

4113 4114 4115 4116 4117 4118 4119 4120 4121 4122
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
4123 4124
static void handler_audit(Monitor *mon, const mon_cmd_t *cmd, int ret)
{
L
Luiz Capitulino 已提交
4125 4126 4127 4128 4129 4130 4131 4132
    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
4133 4134
}

4135
static void handle_user_command(Monitor *mon, const char *cmdline)
4136 4137
{
    QDict *qdict;
A
Anthony Liguori 已提交
4138
    const mon_cmd_t *cmd;
4139 4140 4141

    qdict = qdict_new();

4142
    cmd = monitor_parse_command(mon, cmdline, 0, mon->cmd_table, qdict);
4143 4144 4145
    if (!cmd)
        goto out;

4146
    if (handler_is_async(cmd)) {
4147
        user_async_cmd_handler(mon, cmd, qdict);
4148
    } else if (handler_is_qobject(cmd)) {
4149 4150 4151 4152 4153 4154 4155 4156 4157
        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);
        }
4158
    } else {
4159
        cmd->mhandler.cmd(mon, qdict);
4160 4161
    }

4162
out:
4163
    QDECREF(qdict);
B
bellard 已提交
4164 4165
}

4166
static void cmd_completion(Monitor *mon, const char *name, const char *list)
B
bellard 已提交
4167 4168 4169 4170 4171 4172 4173 4174 4175 4176 4177 4178 4179 4180 4181 4182 4183
{
    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))) {
4184
            readline_add_completion(mon->rs, cmd);
B
bellard 已提交
4185 4186 4187 4188 4189 4190 4191
        }
        if (*p == '\0')
            break;
        p++;
    }
}

4192
static void file_completion(Monitor *mon, const char *input)
B
bellard 已提交
4193 4194 4195 4196 4197 4198 4199 4200
{
    DIR *ffs;
    struct dirent *d;
    char path[1024];
    char file[1024], file_prefix[1024];
    int input_path_len;
    const char *p;

4201
    p = strrchr(input, '/');
B
bellard 已提交
4202 4203 4204
    if (!p) {
        input_path_len = 0;
        pstrcpy(file_prefix, sizeof(file_prefix), input);
B
blueswir1 已提交
4205
        pstrcpy(path, sizeof(path), ".");
B
bellard 已提交
4206 4207 4208 4209 4210 4211 4212 4213 4214
    } 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
4215
    monitor_printf(mon, "input='%s' path='%s' prefix='%s'\n",
A
aliguori 已提交
4216
                   input, path, file_prefix);
B
bellard 已提交
4217 4218 4219 4220 4221 4222 4223 4224 4225
#endif
    ffs = opendir(path);
    if (!ffs)
        return;
    for(;;) {
        struct stat sb;
        d = readdir(ffs);
        if (!d)
            break;
4226 4227 4228 4229 4230

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

B
bellard 已提交
4231 4232
        if (strstart(d->d_name, file_prefix, NULL)) {
            memcpy(file, input, input_path_len);
B
blueswir1 已提交
4233 4234 4235
            if (input_path_len < sizeof(file))
                pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
                        d->d_name);
B
bellard 已提交
4236 4237 4238
            /* stat the file to find out if it's a directory.
             * In that case add a slash to speed up typing long paths
             */
4239
            if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) {
B
blueswir1 已提交
4240
                pstrcat(file, sizeof(file), "/");
4241
            }
4242
            readline_add_completion(mon->rs, file);
B
bellard 已提交
4243 4244 4245 4246 4247
        }
    }
    closedir(ffs);
}

4248 4249 4250 4251 4252
typedef struct MonitorBlockComplete {
    Monitor *mon;
    const char *input;
} MonitorBlockComplete;

4253
static void block_completion_it(void *opaque, BlockDriverState *bs)
B
bellard 已提交
4254
{
4255
    const char *name = bdrv_get_device_name(bs);
4256 4257 4258
    MonitorBlockComplete *mbc = opaque;
    Monitor *mon = mbc->mon;
    const char *input = mbc->input;
B
bellard 已提交
4259 4260 4261

    if (input[0] == '\0' ||
        !strncmp(name, (char *)input, strlen(input))) {
4262
        readline_add_completion(mon->rs, name);
B
bellard 已提交
4263 4264 4265
    }
}

4266 4267 4268 4269 4270 4271
static const char *next_arg_type(const char *typestr)
{
    const char *p = strchr(typestr, ':');
    return (p != NULL ? ++p : typestr);
}

4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282
static void add_completion_option(ReadLineState *rs, const char *str,
                                  const char *option)
{
    if (!str || !option) {
        return;
    }
    if (!strncmp(option, str, strlen(str))) {
        readline_add_completion(rs, option);
    }
}

4283 4284 4285 4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300 4301 4302 4303 4304 4305
void chardev_add_completion(ReadLineState *rs, int nb_args, const char *str)
{
    size_t len;
    ChardevBackendInfoList *list, *start;

    if (nb_args != 2) {
        return;
    }
    len = strlen(str);
    readline_set_completion_index(rs, len);

    start = list = qmp_query_chardev_backends(NULL);
    while (list) {
        const char *chr_name = list->value->name;

        if (!strncmp(chr_name, str, len)) {
            readline_add_completion(rs, chr_name);
        }
        list = list->next;
    }
    qapi_free_ChardevBackendInfoList(start);
}

4306 4307 4308 4309 4310 4311 4312 4313 4314 4315 4316 4317 4318 4319 4320
void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str)
{
    size_t len;
    int i;

    if (nb_args != 2) {
        return;
    }
    len = strlen(str);
    readline_set_completion_index(rs, len);
    for (i = 0; NetClientOptionsKind_lookup[i]; i++) {
        add_completion_option(rs, str, NetClientOptionsKind_lookup[i]);
    }
}

4321
void device_add_completion(ReadLineState *rs, int nb_args, const char *str)
4322 4323 4324 4325
{
    GSList *list, *elt;
    size_t len;

4326 4327 4328 4329
    if (nb_args != 2) {
        return;
    }

4330 4331 4332 4333 4334 4335 4336 4337
    len = strlen(str);
    readline_set_completion_index(rs, len);
    list = elt = object_class_get_list(TYPE_DEVICE, false);
    while (elt) {
        const char *name;
        DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data,
                                             TYPE_DEVICE);
        name = object_class_get_name(OBJECT_CLASS(dc));
4338 4339 4340

        if (!dc->cannot_instantiate_with_device_add_yet
            && !strncmp(name, str, len)) {
4341 4342 4343 4344 4345 4346 4347
            readline_add_completion(rs, name);
        }
        elt = elt->next;
    }
    g_slist_free(list);
}

4348
void object_add_completion(ReadLineState *rs, int nb_args, const char *str)
4349 4350 4351 4352
{
    GSList *list, *elt;
    size_t len;

4353 4354 4355 4356
    if (nb_args != 2) {
        return;
    }

4357 4358 4359 4360 4361 4362 4363 4364 4365 4366 4367 4368 4369 4370 4371
    len = strlen(str);
    readline_set_completion_index(rs, len);
    list = elt = object_class_get_list(TYPE_USER_CREATABLE, false);
    while (elt) {
        const char *name;

        name = object_class_get_name(OBJECT_CLASS(elt->data));
        if (!strncmp(name, str, len) && strcmp(name, TYPE_USER_CREATABLE)) {
            readline_add_completion(rs, name);
        }
        elt = elt->next;
    }
    g_slist_free(list);
}

4372 4373
static void device_del_bus_completion(ReadLineState *rs,  BusState *bus,
                                      const char *str, size_t len)
4374 4375 4376 4377 4378 4379 4380 4381 4382 4383 4384 4385
{
    BusChild *kid;

    QTAILQ_FOREACH(kid, &bus->children, sibling) {
        DeviceState *dev = kid->child;
        BusState *dev_child;

        if (dev->id && !strncmp(str, dev->id, len)) {
            readline_add_completion(rs, dev->id);
        }

        QLIST_FOREACH(dev_child, &dev->child_bus, sibling) {
4386
            device_del_bus_completion(rs, dev_child, str, len);
4387 4388 4389 4390
        }
    }
}

4391 4392 4393 4394 4395 4396 4397 4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408 4409 4410 4411 4412 4413
void chardev_remove_completion(ReadLineState *rs, int nb_args, const char *str)
{
    size_t len;
    ChardevInfoList *list, *start;

    if (nb_args != 2) {
        return;
    }
    len = strlen(str);
    readline_set_completion_index(rs, len);

    start = list = qmp_query_chardev(NULL);
    while (list) {
        ChardevInfo *chr = list->value;

        if (!strncmp(chr->label, str, len)) {
            readline_add_completion(rs, chr->label);
        }
        list = list->next;
    }
    qapi_free_ChardevInfoList(start);
}

4414 4415 4416 4417 4418 4419 4420 4421 4422 4423 4424 4425 4426
void device_del_completion(ReadLineState *rs, int nb_args, const char *str)
{
    size_t len;

    if (nb_args != 2) {
        return;
    }

    len = strlen(str);
    readline_set_completion_index(rs, len);
    device_del_bus_completion(rs, sysbus_get_default(), str, len);
}

4427
void object_del_completion(ReadLineState *rs, int nb_args, const char *str)
4428 4429 4430 4431
{
    ObjectPropertyInfoList *list, *start;
    size_t len;

4432 4433 4434
    if (nb_args != 2) {
        return;
    }
4435 4436 4437 4438 4439 4440 4441 4442 4443 4444 4445 4446 4447 4448 4449 4450
    len = strlen(str);
    readline_set_completion_index(rs, len);

    start = list = qmp_qom_list("/objects", NULL);
    while (list) {
        ObjectPropertyInfo *info = list->value;

        if (!strncmp(info->type, "child<", 5)
            && !strncmp(info->name, str, len)) {
            readline_add_completion(rs, info->name);
        }
        list = list->next;
    }
    qapi_free_ObjectPropertyInfoList(start);
}

4451 4452 4453 4454 4455 4456 4457 4458 4459 4460 4461 4462 4463 4464 4465 4466 4467 4468 4469 4470 4471 4472
void sendkey_completion(ReadLineState *rs, int nb_args, const char *str)
{
    int i;
    char *sep;
    size_t len;

    if (nb_args != 2) {
        return;
    }
    sep = strrchr(str, '-');
    if (sep) {
        str = sep + 1;
    }
    len = strlen(str);
    readline_set_completion_index(rs, len);
    for (i = 0; i < Q_KEY_CODE_MAX; i++) {
        if (!strncmp(str, QKeyCode_lookup[i], len)) {
            readline_add_completion(rs, QKeyCode_lookup[i]);
        }
    }
}

4473 4474 4475 4476 4477 4478 4479 4480 4481 4482 4483 4484 4485 4486 4487 4488 4489 4490 4491 4492 4493 4494 4495
void set_link_completion(ReadLineState *rs, int nb_args, const char *str)
{
    size_t len;

    len = strlen(str);
    readline_set_completion_index(rs, len);
    if (nb_args == 2) {
        NetClientState *ncs[255];
        int count, i;
        count = qemu_find_net_clients_except(NULL, ncs,
                                             NET_CLIENT_OPTIONS_KIND_NONE, 255);
        for (i = 0; i < count; i++) {
            const char *name = ncs[i]->name;
            if (!strncmp(str, name, len)) {
                readline_add_completion(rs, name);
            }
        }
    } else if (nb_args == 3) {
        add_completion_option(rs, str, "on");
        add_completion_option(rs, str, "off");
    }
}

4496 4497 4498 4499 4500 4501 4502 4503 4504 4505 4506 4507 4508 4509 4510 4511 4512 4513 4514 4515 4516 4517 4518 4519 4520 4521
void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str)
{
    int len, count, i;
    NetClientState *ncs[255];

    if (nb_args != 2) {
        return;
    }

    len = strlen(str);
    readline_set_completion_index(rs, len);
    count = qemu_find_net_clients_except(NULL, ncs, NET_CLIENT_OPTIONS_KIND_NIC,
                                         255);
    for (i = 0; i < count; i++) {
        QemuOpts *opts;
        const char *name = ncs[i]->name;
        if (strncmp(str, name, len)) {
            continue;
        }
        opts = qemu_opts_find(qemu_find_opts_err("netdev", NULL), name);
        if (opts) {
            readline_add_completion(rs, name);
        }
    }
}

4522 4523 4524 4525
static void monitor_find_completion_by_table(Monitor *mon,
                                             const mon_cmd_t *cmd_table,
                                             char **args,
                                             int nb_args)
B
bellard 已提交
4526 4527
{
    const char *cmdname;
4528
    int i;
B
bellard 已提交
4529
    const char *ptype, *str;
A
Anthony Liguori 已提交
4530
    const mon_cmd_t *cmd;
4531
    MonitorBlockComplete mbs;
B
bellard 已提交
4532 4533 4534 4535 4536 4537 4538

    if (nb_args <= 1) {
        /* command completion */
        if (nb_args == 0)
            cmdname = "";
        else
            cmdname = args[0];
4539
        readline_set_completion_index(mon->rs, strlen(cmdname));
4540
        for (cmd = cmd_table; cmd->name != NULL; cmd++) {
4541
            cmd_completion(mon, cmdname, cmd->name);
B
bellard 已提交
4542 4543 4544
        }
    } else {
        /* find the command */
4545
        for (cmd = cmd_table; cmd->name != NULL; cmd++) {
4546 4547 4548
            if (compare_cmd(args[0], cmd->name)) {
                break;
            }
B
bellard 已提交
4549
        }
4550
        if (!cmd->name) {
4551
            return;
4552 4553
        }

4554 4555 4556 4557 4558
        if (cmd->sub_table) {
            /* do the job again */
            return monitor_find_completion_by_table(mon, cmd->sub_table,
                                                    &args[1], nb_args - 1);
        }
4559 4560 4561
        if (cmd->command_completion) {
            return cmd->command_completion(mon->rs, nb_args, args[nb_args - 1]);
        }
4562

4563
        ptype = next_arg_type(cmd->args_type);
B
bellard 已提交
4564 4565
        for(i = 0; i < nb_args - 2; i++) {
            if (*ptype != '\0') {
4566
                ptype = next_arg_type(ptype);
B
bellard 已提交
4567
                while (*ptype == '?')
4568
                    ptype = next_arg_type(ptype);
B
bellard 已提交
4569 4570 4571
            }
        }
        str = args[nb_args - 1];
4572
        if (*ptype == '-' && ptype[1] != '\0') {
4573
            ptype = next_arg_type(ptype);
4574
        }
B
bellard 已提交
4575 4576 4577
        switch(*ptype) {
        case 'F':
            /* file completion */
4578
            readline_set_completion_index(mon->rs, strlen(str));
4579
            file_completion(mon, str);
B
bellard 已提交
4580 4581 4582
            break;
        case 'B':
            /* block device name completion */
4583 4584 4585 4586
            mbs.mon = mon;
            mbs.input = str;
            readline_set_completion_index(mon->rs, strlen(str));
            bdrv_iterate(block_completion_it, &mbs);
B
bellard 已提交
4587
            break;
B
bellard 已提交
4588
        case 's':
4589
        case 'S':
4590
            if (!strcmp(cmd->name, "help|?")) {
4591 4592
                monitor_find_completion_by_table(mon, cmd_table,
                                                 &args[1], nb_args - 1);
B
bellard 已提交
4593 4594
            }
            break;
B
bellard 已提交
4595 4596 4597 4598
        default:
            break;
        }
    }
4599 4600
}

4601
static void monitor_find_completion(void *opaque,
4602 4603
                                    const char *cmdline)
{
4604
    Monitor *mon = opaque;
4605 4606 4607 4608 4609 4610 4611 4612 4613 4614 4615 4616 4617 4618 4619 4620 4621 4622 4623 4624 4625 4626 4627 4628 4629
    char *args[MAX_ARGS];
    int nb_args, len;

    /* 1. parse the cmdline */
    if (parse_cmdline(cmdline, &nb_args, args) < 0) {
        return;
    }
#ifdef DEBUG_COMPLETION
    for (i = 0; i < nb_args; i++) {
        monitor_printf(mon, "arg%d = '%s'\n", i, args[i]);
    }
#endif

    /* if the line ends with a space, it means we want to complete the
       next arg */
    len = strlen(cmdline);
    if (len > 0 && qemu_isspace(cmdline[len - 1])) {
        if (nb_args >= MAX_ARGS) {
            goto cleanup;
        }
        args[nb_args++] = g_strdup("");
    }

    /* 2. auto complete according to args */
    monitor_find_completion_by_table(mon, mon->cmd_table, args, nb_args);
4630 4631

cleanup:
W
Wenchao Xia 已提交
4632
    free_cmdline_args(args, nb_args);
B
bellard 已提交
4633 4634
}

4635
static int monitor_can_read(void *opaque)
B
bellard 已提交
4636
{
4637 4638
    Monitor *mon = opaque;

J
Jan Kiszka 已提交
4639
    return (mon->suspend_cnt == 0) ? 1 : 0;
B
bellard 已提交
4640 4641
}

4642
static int invalid_qmp_mode(const Monitor *mon, const char *cmd_name)
L
Luiz Capitulino 已提交
4643
{
4644 4645
    int is_cap = compare_cmd(cmd_name, "qmp_capabilities");
    return (qmp_cmd_mode(mon) ? is_cap : !is_cap);
L
Luiz Capitulino 已提交
4646 4647
}

4648 4649 4650 4651 4652 4653 4654 4655 4656 4657 4658 4659
/*
 * 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
4660
{
4661
    const QDictEntry *ent;
L
Luiz Capitulino 已提交
4662

4663 4664 4665 4666 4667 4668 4669 4670 4671 4672 4673 4674 4675 4676 4677 4678
    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
4679

4680 4681
        arg_type = qobject_to_qstring(obj);
        assert(arg_type != NULL);
L
Luiz Capitulino 已提交
4682

4683 4684
        /* check if argument's type is correct */
        switch (qstring_get_str(arg_type)[0]) {
L
Luiz Capitulino 已提交
4685 4686 4687
        case 'F':
        case 'B':
        case 's':
4688 4689 4690
            if (qobject_type(client_arg) != QTYPE_QSTRING) {
                qerror_report(QERR_INVALID_PARAMETER_TYPE, client_arg_name,
                              "string");
L
Luiz Capitulino 已提交
4691 4692
                return -1;
            }
4693
        break;
L
Luiz Capitulino 已提交
4694 4695
        case 'i':
        case 'l':
4696
        case 'M':
4697
        case 'o':
4698 4699 4700 4701
            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
4702 4703
            }
            break;
4704
        case 'T':
4705 4706 4707 4708 4709
            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; 
4710 4711
            }
            break;
4712
        case 'b':
L
Luiz Capitulino 已提交
4713
        case '-':
4714 4715 4716 4717
            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
4718 4719
            }
            break;
4720
        case 'O':
4721 4722
            assert(flags & QMP_ACCEPT_UNKNOWNS);
            break;
4723 4724 4725
        case 'q':
            /* Any QObject can be passed.  */
            break;
4726 4727 4728 4729 4730 4731
        case '/':
        case '.':
            /*
             * These types are not supported by QMP and thus are not
             * handled here. Fall through.
             */
L
Luiz Capitulino 已提交
4732 4733
        default:
            abort();
4734 4735 4736 4737 4738 4739
        }
    }

    return 0;
}

4740 4741 4742 4743 4744 4745 4746 4747 4748 4749 4750 4751 4752 4753 4754 4755 4756 4757 4758 4759 4760 4761 4762
/*
 * - 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
4763 4764 4765 4766 4767
    }

    return 0;
}

4768
static QDict *qdict_from_args_type(const char *args_type)
L
Luiz Capitulino 已提交
4769
{
4770 4771 4772 4773 4774 4775 4776 4777 4778 4779 4780 4781 4782 4783 4784 4785 4786 4787 4788 4789 4790 4791 4792 4793 4794 4795 4796 4797 4798 4799 4800 4801 4802 4803 4804 4805 4806 4807 4808 4809 4810
    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
4811 4812
}

4813 4814 4815 4816
/*
 * Client argument checking rules:
 *
 * 1. Client must provide all mandatory arguments
4817 4818 4819
 * 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
4820 4821
 */
static int qmp_check_client_args(const mon_cmd_t *cmd, QDict *client_args)
4822
{
4823 4824 4825 4826 4827 4828 4829 4830 4831 4832 4833
    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;
    }

4834
    err = check_client_args_type(client_args, cmd_args, flags);
4835 4836 4837 4838

out:
    QDECREF(cmd_args);
    return err;
4839 4840
}

L
Luiz Capitulino 已提交
4841
/*
4842
 * Input object checking rules
L
Luiz Capitulino 已提交
4843
 *
4844 4845 4846 4847 4848 4849
 * 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
4850
 */
4851
static QDict *qmp_check_input_obj(QObject *input_obj)
L
Luiz Capitulino 已提交
4852
{
4853 4854 4855
    const QDictEntry *ent;
    int has_exec_key = 0;
    QDict *input_dict;
L
Luiz Capitulino 已提交
4856

4857 4858 4859
    if (qobject_type(input_obj) != QTYPE_QDICT) {
        qerror_report(QERR_QMP_BAD_INPUT_OBJECT, "object");
        return NULL;
L
Luiz Capitulino 已提交
4860 4861
    }

4862
    input_dict = qobject_to_qdict(input_obj);
L
Luiz Capitulino 已提交
4863

4864 4865 4866
    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
4867

4868 4869 4870 4871 4872
        if (!strcmp(arg_name, "execute")) {
            if (qobject_type(arg_obj) != QTYPE_QSTRING) {
                qerror_report(QERR_QMP_BAD_INPUT_OBJECT_MEMBER, "execute",
                              "string");
                return NULL;
4873
            }
4874 4875 4876 4877 4878 4879
            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
4880
            }
4881 4882
        } else if (!strcmp(arg_name, "id")) {
            /* FIXME: check duplicated IDs for async commands */
L
Luiz Capitulino 已提交
4883
        } else {
4884 4885
            qerror_report(QERR_QMP_EXTRA_MEMBER, arg_name);
            return NULL;
L
Luiz Capitulino 已提交
4886 4887 4888
        }
    }

4889 4890 4891 4892
    if (!has_exec_key) {
        qerror_report(QERR_QMP_BAD_INPUT_OBJECT, "execute");
        return NULL;
    }
L
Luiz Capitulino 已提交
4893

4894
    return input_dict;
4895 4896
}

L
Luiz Capitulino 已提交
4897 4898 4899 4900 4901 4902 4903 4904 4905 4906 4907 4908
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
4909 4910 4911 4912 4913 4914
static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
{
    int err;
    QObject *obj;
    QDict *input, *args;
    const mon_cmd_t *cmd;
4915
    const char *cmd_name;
L
Luiz Capitulino 已提交
4916 4917
    Monitor *mon = cur_mon;

4918
    args = input = NULL;
L
Luiz Capitulino 已提交
4919 4920 4921 4922

    obj = json_parser_parse(tokens, NULL);
    if (!obj) {
        // FIXME: should be triggered in json_parser_parse()
4923
        qerror_report(QERR_JSON_PARSING);
L
Luiz Capitulino 已提交
4924 4925 4926
        goto err_out;
    }

4927 4928
    input = qmp_check_input_obj(obj);
    if (!input) {
L
Luiz Capitulino 已提交
4929 4930 4931 4932 4933 4934 4935
        qobject_decref(obj);
        goto err_out;
    }

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

4936
    cmd_name = qdict_get_str(input, "execute");
4937
    trace_handle_qmp_command(mon, cmd_name);
4938
    if (invalid_qmp_mode(mon, cmd_name)) {
4939
        qerror_report(QERR_COMMAND_NOT_FOUND, cmd_name);
4940
        goto err_out;
4941 4942
    }

4943
    cmd = qmp_find_cmd(cmd_name);
4944
    if (!cmd) {
4945
        qerror_report(QERR_COMMAND_NOT_FOUND, cmd_name);
4946
        goto err_out;
L
Luiz Capitulino 已提交
4947 4948 4949 4950 4951 4952 4953 4954 4955 4956
    }

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

4957
    err = qmp_check_client_args(cmd, args);
L
Luiz Capitulino 已提交
4958 4959 4960 4961
    if (err < 0) {
        goto err_out;
    }

4962
    if (handler_is_async(cmd)) {
4963 4964 4965 4966 4967
        err = qmp_async_cmd_handler(mon, cmd, args);
        if (err) {
            /* emit the error response */
            goto err_out;
        }
4968
    } else {
L
Luiz Capitulino 已提交
4969
        qmp_call_cmd(mon, cmd, args);
4970
    }
4971

L
Luiz Capitulino 已提交
4972 4973 4974 4975 4976
    goto out;

err_out:
    monitor_protocol_emitter(mon, NULL);
out:
4977
    QDECREF(input);
L
Luiz Capitulino 已提交
4978 4979 4980
    QDECREF(args);
}

L
Luiz Capitulino 已提交
4981 4982 4983 4984 4985 4986 4987 4988 4989
/**
 * 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
4990
    json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
L
Luiz Capitulino 已提交
4991 4992 4993 4994

    cur_mon = old_mon;
}

4995
static void monitor_read(void *opaque, const uint8_t *buf, int size)
B
bellard 已提交
4996
{
4997
    Monitor *old_mon = cur_mon;
4998
    int i;
A
aliguori 已提交
4999

5000 5001
    cur_mon = opaque;

5002 5003 5004 5005 5006 5007 5008
    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
5009
            handle_user_command(cur_mon, (char *)buf);
5010
    }
B
bellard 已提交
5011

5012 5013
    cur_mon = old_mon;
}
5014

5015 5016
static void monitor_command_cb(void *opaque, const char *cmdline,
                               void *readline_opaque)
B
bellard 已提交
5017
{
5018 5019
    Monitor *mon = opaque;

5020
    monitor_suspend(mon);
5021
    handle_user_command(mon, cmdline);
5022
    monitor_resume(mon);
5023 5024
}

5025
int monitor_suspend(Monitor *mon)
5026
{
5027 5028
    if (!mon->rs)
        return -ENOTTY;
5029
    mon->suspend_cnt++;
5030
    return 0;
5031 5032
}

A
aliguori 已提交
5033
void monitor_resume(Monitor *mon)
5034
{
5035 5036
    if (!mon->rs)
        return;
5037 5038
    if (--mon->suspend_cnt == 0)
        readline_show_prompt(mon->rs);
B
bellard 已提交
5039 5040
}

5041 5042
static QObject *get_qmp_greeting(void)
{
L
Luiz Capitulino 已提交
5043
    QObject *ver = NULL;
5044

L
Luiz Capitulino 已提交
5045
    qmp_marshal_input_query_version(NULL, NULL, &ver);
5046 5047 5048
    return qobject_from_jsonf("{'QMP':{'version': %p,'capabilities': []}}",ver);
}

L
Luiz Capitulino 已提交
5049 5050 5051 5052 5053
/**
 * monitor_control_event(): Print QMP gretting
 */
static void monitor_control_event(void *opaque, int event)
{
5054 5055
    QObject *data;
    Monitor *mon = opaque;
L
Luiz Capitulino 已提交
5056

5057 5058
    switch (event) {
    case CHR_EVENT_OPENED:
5059
        mon->mc->command_mode = 0;
5060
        data = get_qmp_greeting();
L
Luiz Capitulino 已提交
5061 5062
        monitor_json_emitter(mon, data);
        qobject_decref(data);
5063
        mon_refcount++;
5064 5065 5066
        break;
    case CHR_EVENT_CLOSED:
        json_message_parser_destroy(&mon->mc->parser);
5067
        json_message_parser_init(&mon->mc->parser, handle_qmp_command);
5068 5069
        mon_refcount--;
        monitor_fdsets_cleanup();
5070
        break;
L
Luiz Capitulino 已提交
5071 5072 5073
    }
}

5074
static void monitor_event(void *opaque, int event)
5075
{
A
aliguori 已提交
5076 5077
    Monitor *mon = opaque;

5078 5079
    switch (event) {
    case CHR_EVENT_MUX_IN:
G
Gerd Hoffmann 已提交
5080 5081 5082 5083 5084 5085 5086 5087
        mon->mux_out = 0;
        if (mon->reset_seen) {
            readline_restart(mon->rs);
            monitor_resume(mon);
            monitor_flush(mon);
        } else {
            mon->suspend_cnt = 0;
        }
5088 5089 5090
        break;

    case CHR_EVENT_MUX_OUT:
G
Gerd Hoffmann 已提交
5091 5092 5093 5094 5095 5096 5097 5098 5099 5100
        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;
5101
        break;
5102

5103
    case CHR_EVENT_OPENED:
5104 5105
        monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
                       "information\n", QEMU_VERSION);
G
Gerd Hoffmann 已提交
5106
        if (!mon->mux_out) {
5107
            readline_show_prompt(mon->rs);
G
Gerd Hoffmann 已提交
5108 5109
        }
        mon->reset_seen = 1;
5110 5111 5112 5113 5114 5115
        mon_refcount++;
        break;

    case CHR_EVENT_CLOSED:
        mon_refcount--;
        monitor_fdsets_cleanup();
5116 5117
        break;
    }
5118 5119
}

5120 5121 5122 5123 5124 5125 5126 5127 5128 5129 5130 5131 5132 5133 5134 5135 5136 5137 5138
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);
}

5139 5140 5141 5142 5143 5144 5145 5146 5147

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

5148 5149 5150
/* These functions just adapt the readline interface in a typesafe way.  We
 * could cast function pointers but that discards compiler checks.
 */
S
Stefan Weil 已提交
5151 5152
static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque,
                                                       const char *fmt, ...)
5153 5154 5155 5156 5157 5158 5159 5160 5161 5162 5163 5164
{
    va_list ap;
    va_start(ap, fmt);
    monitor_vprintf(opaque, fmt, ap);
    va_end(ap);
}

static void monitor_readline_flush(void *opaque)
{
    monitor_flush(opaque);
}

5165
void monitor_init(CharDriverState *chr, int flags)
B
bellard 已提交
5166
{
5167
    static int is_first_init = 1;
5168
    Monitor *mon;
T
ths 已提交
5169 5170

    if (is_first_init) {
5171
        monitor_protocol_event_init();
5172
        sortcmdlist();
T
ths 已提交
5173 5174
        is_first_init = 0;
    }
5175

5176 5177
    mon = g_malloc(sizeof(*mon));
    monitor_data_init(mon);
T
ths 已提交
5178

5179
    mon->chr = chr;
5180
    mon->flags = flags;
5181
    if (flags & MONITOR_USE_READLINE) {
5182 5183 5184 5185
        mon->rs = readline_init(monitor_readline_printf,
                                monitor_readline_flush,
                                mon,
                                monitor_find_completion);
5186 5187
        monitor_read_command(mon, 0);
    }
5188

L
Luiz Capitulino 已提交
5189
    if (monitor_ctrl_mode(mon)) {
5190
        mon->mc = g_malloc0(sizeof(MonitorControl));
L
Luiz Capitulino 已提交
5191 5192 5193
        /* Control mode requires special handlers */
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
                              monitor_control_event, mon);
5194
        qemu_chr_fe_set_echo(chr, true);
5195 5196

        json_message_parser_init(&mon->mc->parser, handle_qmp_command);
L
Luiz Capitulino 已提交
5197 5198 5199 5200
    } else {
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
                              monitor_event, mon);
    }
5201

B
Blue Swirl 已提交
5202
    QLIST_INSERT_HEAD(&mon_list, mon, entry);
5203 5204
    if (!default_mon || (flags & MONITOR_IS_DEFAULT))
        default_mon = mon;
B
bellard 已提交
5205 5206
}

5207 5208
static void bdrv_password_cb(void *opaque, const char *password,
                             void *readline_opaque)
B
bellard 已提交
5209
{
5210 5211
    Monitor *mon = opaque;
    BlockDriverState *bs = readline_opaque;
5212
    int ret = 0;
B
bellard 已提交
5213

5214
    if (bdrv_set_key(bs, password) != 0) {
A
aliguori 已提交
5215
        monitor_printf(mon, "invalid password\n");
5216
        ret = -EPERM;
B
bellard 已提交
5217
    }
5218 5219
    if (mon->password_completion_cb)
        mon->password_completion_cb(mon->password_opaque, ret);
5220

5221
    monitor_read_command(mon, 1);
B
bellard 已提交
5222
}
5223

A
Anthony Liguori 已提交
5224 5225 5226 5227 5228
ReadLineState *monitor_get_rs(Monitor *mon)
{
    return mon->rs;
}

5229 5230 5231
int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
                                BlockDriverCompletionFunc *completion_cb,
                                void *opaque)
5232
{
5233 5234
    int err;

5235 5236 5237
    if (!bdrv_key_required(bs)) {
        if (completion_cb)
            completion_cb(opaque, 0);
5238
        return 0;
5239
    }
5240

5241
    if (monitor_ctrl_mode(mon)) {
5242 5243
        qerror_report(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs),
                      bdrv_get_encrypted_filename(bs));
5244
        return -1;
5245 5246
    }

A
aliguori 已提交
5247 5248
    monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
                   bdrv_get_encrypted_filename(bs));
5249

5250 5251
    mon->password_completion_cb = completion_cb;
    mon->password_opaque = opaque;
5252

5253 5254 5255 5256
    err = monitor_read_password(mon, bdrv_password_cb, bs);

    if (err && completion_cb)
        completion_cb(opaque, err);
5257 5258

    return err;
5259
}
L
Luiz Capitulino 已提交
5260 5261 5262 5263 5264 5265 5266 5267 5268 5269 5270 5271 5272 5273 5274

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);
}
5275 5276 5277 5278 5279 5280 5281 5282 5283 5284 5285 5286 5287 5288 5289 5290 5291 5292 5293 5294 5295 5296

QemuOptsList qemu_mon_opts = {
    .name = "mon",
    .implied_opt_name = "chardev",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
    .desc = {
        {
            .name = "mode",
            .type = QEMU_OPT_STRING,
        },{
            .name = "chardev",
            .type = QEMU_OPT_STRING,
        },{
            .name = "default",
            .type = QEMU_OPT_BOOL,
        },{
            .name = "pretty",
            .type = QEMU_OPT_BOOL,
        },
        { /* end of list */ }
    },
};