monitor.c 142.6 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"
#include "monitor/readline.h"
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#include "ui/console.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 "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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} 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(Monitor *mon, const char *cmdline,
                               void *opaque);
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static inline int qmp_cmd_mode(const Monitor *mon)
{
    return (mon->mc ? mon->mc->command_mode : 0);
}

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

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

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

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    readline_start(mon->rs, "(qemu) ", 0, monitor_command_cb, NULL);
    if (show_prompt)
        readline_show_prompt(mon->rs);
}
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int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
                          void *opaque)
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{
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    if (monitor_ctrl_mode(mon)) {
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        qerror_report(QERR_MISSING_PARAMETER, "password");
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        return -EINVAL;
    } else if (mon->rs) {
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        readline_start(mon->rs, "Password: ", 1, readline_func, opaque);
        /* prompt is printed on return from the command handler */
        return 0;
    } else {
        monitor_printf(mon, "terminal does not support password prompting\n");
        return -ENOTTY;
    }
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}

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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);
        if (rc == len) {
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            /* all flushed */
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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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void monitor_print_filename(Monitor *mon, const char *filename)
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{
    int i;

    for (i = 0; filename[i]; i++) {
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        switch (filename[i]) {
        case ' ':
        case '"':
        case '\\':
            monitor_printf(mon, "\\%c", filename[i]);
            break;
        case '\t':
            monitor_printf(mon, "\\t");
            break;
        case '\r':
            monitor_printf(mon, "\\r");
            break;
        case '\n':
            monitor_printf(mon, "\\n");
            break;
        default:
            monitor_printf(mon, "%c", filename[i]);
            break;
        }
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    }
}

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static int GCC_FMT_ATTR(2, 3) monitor_fprintf(FILE *stream,
                                              const char *fmt, ...)
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{
    va_list ap;
    va_start(ap, fmt);
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    monitor_vprintf((Monitor *)stream, fmt, ap);
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    va_end(ap);
    return 0;
}

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static void monitor_user_noop(Monitor *mon, const QObject *data) { }

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

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

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

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

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

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

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

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

    return qobject_to_qdict(obj);
}

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

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    trace_monitor_protocol_emitter(mon);

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

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

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

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

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

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

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MonitorEventState monitor_event_state[QEVENT_MAX];
QemuMutex monitor_event_state_lock;

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

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


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

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

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


/*
 * The callback invoked by QemuTimer when a delayed
 * event is ready to be emitted
 */
static void monitor_protocol_event_handler(void *opaque)
{
    MonitorEventState *evstate = opaque;
590
    int64_t now = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627

    qemu_mutex_lock(&monitor_event_state_lock);

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


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

    evstate = &(monitor_event_state[event]);

    trace_monitor_protocol_event_throttle(event, rate);
    evstate->event = event;
    evstate->rate = rate * SCALE_MS;
628
    evstate->timer = timer_new(QEMU_CLOCK_REALTIME,
629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647
                                    SCALE_MS,
                                    monitor_protocol_event_handler,
                                    evstate);
    evstate->last = 0;
    evstate->data = NULL;
}


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

648 649 650 651 652 653 654 655 656 657
/**
 * 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;

658
    assert(event < QEVENT_MAX);
659

660 661
    event_name = monitor_event_names[event];
    assert(event_name != NULL);
662 663 664 665

    qmp = qdict_new();
    timestamp_put(qmp);
    qdict_put(qmp, "event", qstring_from_str(event_name));
666 667
    if (data) {
        qobject_incref(data);
668
        qdict_put_obj(qmp, "data", data);
669
    }
670

671 672
    trace_monitor_protocol_event(event, event_name, qmp);
    monitor_protocol_event_queue(event, QOBJECT(qmp));
673 674 675
    QDECREF(qmp);
}

676 677
static int do_qmp_capabilities(Monitor *mon, const QDict *params,
                               QObject **ret_data)
678 679 680 681 682
{
    /* Will setup QMP capabilities in the future */
    if (monitor_ctrl_mode(mon)) {
        mon->mc->command_mode = 1;
    }
683 684

    return 0;
685 686
}

687 688
static void handle_user_command(Monitor *mon, const char *cmdline);

689 690 691 692
static void monitor_data_init(Monitor *mon)
{
    memset(mon, 0, sizeof(Monitor));
    mon->outbuf = qstring_new();
693 694
    /* Use *mon_cmds by default. */
    mon->cmd_table = mon_cmds;
695 696 697 698 699 700 701
}

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

702 703
char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index,
                                int64_t cpu_index, Error **errp)
704
{
705
    char *output = NULL;
706 707
    Monitor *old_mon, hmp;

708
    monitor_data_init(&hmp);
709
    hmp.skip_flush = true;
710 711 712 713

    old_mon = cur_mon;
    cur_mon = &hmp;

714 715
    if (has_cpu_index) {
        int ret = monitor_set_cpu(cpu_index);
716 717
        if (ret < 0) {
            cur_mon = old_mon;
718 719
            error_set(errp, QERR_INVALID_PARAMETER_VALUE, "cpu-index",
                      "a CPU number");
720 721 722 723
            goto out;
        }
    }

724
    handle_user_command(&hmp, command_line);
725 726
    cur_mon = old_mon;

727 728
    if (qstring_get_length(hmp.outbuf) > 0) {
        output = g_strdup(qstring_get_str(hmp.outbuf));
729 730
    } else {
        output = g_strdup("");
731 732 733
    }

out:
734
    monitor_data_destroy(&hmp);
735
    return output;
736 737
}

B
bellard 已提交
738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757
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;
}

758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825
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
826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852
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)
853 854 855 856 857 858 859 860 861 862 863 864 865 866 867
{
    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
868
            goto fail;
869 870 871
        }
        ret = get_str(buf, sizeof(buf), &p);
        if (ret < 0) {
W
Wenchao Xia 已提交
872
            goto fail;
873
        }
W
Wenchao Xia 已提交
874 875
        args[nb_args] = g_strdup(buf);
        nb_args++;
876 877
    }
    *pnb_args = nb_args;
W
Wenchao Xia 已提交
878 879 880 881 882
    return 0;

 fail:
    free_cmdline_args(args, nb_args);
    return -1;
883 884
}

885 886 887 888 889 890 891 892 893 894 895 896 897 898
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
899
static void help_cmd_dump(Monitor *mon, const mon_cmd_t *cmds,
900
                          char **args, int nb_args, int arg_index)
B
bellard 已提交
901
{
A
Anthony Liguori 已提交
902
    const mon_cmd_t *cmd;
B
bellard 已提交
903

904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923
    /* 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
924 925 926
    }
}

A
aliguori 已提交
927
static void help_cmd(Monitor *mon, const char *name)
B
bellard 已提交
928
{
929 930 931 932 933 934 935
    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")) {
936
            const QEMULogItem *item;
A
aliguori 已提交
937 938
            monitor_printf(mon, "Log items (comma separated):\n");
            monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
939
            for (item = qemu_log_items; item->mask != 0; item++) {
A
aliguori 已提交
940
                monitor_printf(mon, "%-10s %s\n", item->name, item->help);
941
            }
942 943 944 945 946
            return;
        }

        if (parse_cmdline(name, &nb_args, args) < 0) {
            return;
947
        }
B
bellard 已提交
948
    }
949 950 951 952 953

    /* 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
954 955
}

956
static void do_help_cmd(Monitor *mon, const QDict *qdict)
957
{
958
    help_cmd(mon, qdict_get_try_str(qdict, "name"));
959 960
}

961
static void do_trace_event_set_state(Monitor *mon, const QDict *qdict)
962 963 964
{
    const char *tp_name = qdict_get_str(qdict, "name");
    bool new_state = qdict_get_bool(qdict, "option");
965

966 967 968 969 970 971 972 973 974 975 976
    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) {
977 978
        monitor_printf(mon, "unknown event name \"%s\"\n", tp_name);
    }
979
}
980

M
Michael Roth 已提交
981
#ifdef CONFIG_TRACE_SIMPLE
982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003
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");
    }
}
1004 1005
#endif

1006 1007 1008 1009 1010 1011 1012 1013
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);
1014
    g_free(data);
1015 1016 1017 1018 1019 1020 1021
}

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

1022 1023
static int qmp_async_cmd_handler(Monitor *mon, const mon_cmd_t *cmd,
                                 const QDict *params)
1024
{
1025
    return cmd->mhandler.cmd_async(mon, params, qmp_monitor_complete, mon);
1026 1027 1028 1029 1030 1031 1032
}

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

1033
    MonitorCompletionData *cb_data = g_malloc(sizeof(*cb_data));
1034 1035 1036 1037 1038 1039 1040
    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);
1041
        g_free(cb_data);
1042 1043 1044
    }
}

W
Wenchao Xia 已提交
1045
static void do_info_help(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1046
{
1047
    help_cmd(mon, "info");
B
bellard 已提交
1048 1049
}

L
Luiz Capitulino 已提交
1050
CommandInfoList *qmp_query_commands(Error **errp)
1051
{
L
Luiz Capitulino 已提交
1052
    CommandInfoList *info, *cmd_list = NULL;
1053 1054
    const mon_cmd_t *cmd;

1055
    for (cmd = qmp_cmds; cmd->name != NULL; cmd++) {
1056 1057 1058
        info = g_malloc0(sizeof(*info));
        info->value = g_malloc0(sizeof(*info->value));
        info->value->name = g_strdup(cmd->name);
1059

L
Luiz Capitulino 已提交
1060 1061
        info->next = cmd_list;
        cmd_list = info;
1062 1063
    }

L
Luiz Capitulino 已提交
1064
    return cmd_list;
1065 1066
}

1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085
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;
}

1086 1087
/* set the current CPU defined by the user */
int monitor_set_cpu(int cpu_index)
B
bellard 已提交
1088
{
1089
    CPUState *cpu;
B
bellard 已提交
1090

1091 1092 1093
    cpu = qemu_get_cpu(cpu_index);
    if (cpu == NULL) {
        return -1;
B
bellard 已提交
1094
    }
1095
    cur_mon->mon_cpu = cpu;
1096
    return 0;
B
bellard 已提交
1097 1098
}

1099
static CPUArchState *mon_get_cpu(void)
B
bellard 已提交
1100
{
1101
    if (!cur_mon->mon_cpu) {
1102
        monitor_set_cpu(0);
B
bellard 已提交
1103
    }
1104
    cpu_synchronize_state(cur_mon->mon_cpu);
1105
    return cur_mon->mon_cpu->env_ptr;
B
bellard 已提交
1106 1107
}

1108 1109
int monitor_get_cpu_index(void)
{
1110 1111
    CPUState *cpu = ENV_GET_CPU(mon_get_cpu());
    return cpu->cpu_index;
1112 1113
}

1114
static void do_info_registers(Monitor *mon, const QDict *qdict)
1115
{
1116
    CPUState *cpu;
1117
    CPUArchState *env;
B
bellard 已提交
1118
    env = mon_get_cpu();
1119 1120
    cpu = ENV_GET_CPU(env);
    cpu_dump_state(cpu, (FILE *)mon, monitor_fprintf, CPU_DUMP_FPU);
1121 1122
}

1123
static void do_info_jit(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1124
{
A
aliguori 已提交
1125
    dump_exec_info((FILE *)mon, monitor_fprintf);
B
bellard 已提交
1126 1127
}

1128
static void do_info_history(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1129 1130
{
    int i;
1131
    const char *str;
1132

1133 1134
    if (!mon->rs)
        return;
1135 1136
    i = 0;
    for(;;) {
1137
        str = readline_get_history(mon->rs, i);
1138 1139
        if (!str)
            break;
A
aliguori 已提交
1140
        monitor_printf(mon, "%d: '%s'\n", i, str);
B
bellard 已提交
1141
        i++;
B
bellard 已提交
1142 1143 1144
    }
}

1145
static void do_info_cpu_stats(Monitor *mon, const QDict *qdict)
1146
{
1147
    CPUState *cpu;
1148
    CPUArchState *env;
1149 1150

    env = mon_get_cpu();
1151 1152
    cpu = ENV_GET_CPU(env);
    cpu_dump_statistics(cpu, (FILE *)mon, &monitor_fprintf, 0);
1153 1154
}

1155
static void do_trace_print_events(Monitor *mon, const QDict *qdict)
1156
{
1157
    trace_print_events((FILE *)mon, &monitor_fprintf);
1158 1159
}

1160 1161
static int client_migrate_info(Monitor *mon, const QDict *qdict,
                               MonitorCompletion cb, void *opaque)
G
Gerd Hoffmann 已提交
1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175
{
    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;
        }

1176 1177 1178 1179 1180
        if (port == -1 && tls_port == -1) {
            qerror_report(QERR_MISSING_PARAMETER, "port/tls-port");
            return -1;
        }

1181 1182
        ret = qemu_spice_migrate_info(hostname, port, tls_port, subject,
                                      cb, opaque);
G
Gerd Hoffmann 已提交
1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193
        if (ret != 0) {
            qerror_report(QERR_UNDEFINED_ERROR);
            return -1;
        }
        return 0;
    }

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

1194
static void do_logfile(Monitor *mon, const QDict *qdict)
P
pbrook 已提交
1195
{
1196
    qemu_set_log_filename(qdict_get_str(qdict, "filename"));
P
pbrook 已提交
1197 1198
}

1199
static void do_log(Monitor *mon, const QDict *qdict)
1200 1201
{
    int mask;
1202
    const char *items = qdict_get_str(qdict, "items");
1203

1204
    if (!strcmp(items, "none")) {
1205 1206
        mask = 0;
    } else {
1207
        mask = qemu_str_to_log_mask(items);
1208
        if (!mask) {
A
aliguori 已提交
1209
            help_cmd(mon, "log");
1210 1211 1212
            return;
        }
    }
1213
    qemu_set_log(mask);
1214 1215
}

1216
static void do_singlestep(Monitor *mon, const QDict *qdict)
1217
{
1218
    const char *option = qdict_get_try_str(qdict, "option");
1219 1220 1221 1222 1223 1224 1225 1226 1227
    if (!option || !strcmp(option, "on")) {
        singlestep = 1;
    } else if (!strcmp(option, "off")) {
        singlestep = 0;
    } else {
        monitor_printf(mon, "unexpected option %s\n", option);
    }
}

1228
static void do_gdbserver(Monitor *mon, const QDict *qdict)
1229
{
1230
    const char *device = qdict_get_try_str(qdict, "device");
1231 1232 1233 1234 1235 1236
    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) {
1237
        monitor_printf(mon, "Disabled gdbserver\n");
1238
    } else {
1239 1240
        monitor_printf(mon, "Waiting for gdb connection on device '%s'\n",
                       device);
1241 1242 1243
    }
}

1244
static void do_watchdog_action(Monitor *mon, const QDict *qdict)
R
Richard W.M. Jones 已提交
1245
{
1246
    const char *action = qdict_get_str(qdict, "action");
R
Richard W.M. Jones 已提交
1247 1248 1249 1250 1251
    if (select_watchdog_action(action) == -1) {
        monitor_printf(mon, "Unknown watchdog action '%s'\n", action);
    }
}

A
aliguori 已提交
1252
static void monitor_printc(Monitor *mon, int c)
1253
{
A
aliguori 已提交
1254
    monitor_printf(mon, "'");
1255 1256
    switch(c) {
    case '\'':
A
aliguori 已提交
1257
        monitor_printf(mon, "\\'");
1258 1259
        break;
    case '\\':
A
aliguori 已提交
1260
        monitor_printf(mon, "\\\\");
1261 1262
        break;
    case '\n':
A
aliguori 已提交
1263
        monitor_printf(mon, "\\n");
1264 1265
        break;
    case '\r':
A
aliguori 已提交
1266
        monitor_printf(mon, "\\r");
1267 1268 1269
        break;
    default:
        if (c >= 32 && c <= 126) {
A
aliguori 已提交
1270
            monitor_printf(mon, "%c", c);
1271
        } else {
A
aliguori 已提交
1272
            monitor_printf(mon, "\\x%02x", c);
1273 1274 1275
        }
        break;
    }
A
aliguori 已提交
1276
    monitor_printf(mon, "'");
1277 1278
}

A
aliguori 已提交
1279
static void memory_dump(Monitor *mon, int count, int format, int wsize,
A
Avi Kivity 已提交
1280
                        hwaddr addr, int is_physical)
1281
{
1282
    CPUArchState *env;
1283
    int l, line_size, i, max_digits, len;
1284 1285 1286 1287 1288 1289
    uint8_t buf[16];
    uint64_t v;

    if (format == 'i') {
        int flags;
        flags = 0;
B
bellard 已提交
1290
        env = mon_get_cpu();
1291
#ifdef TARGET_I386
1292
        if (wsize == 2) {
1293
            flags = 1;
1294 1295 1296
        } else if (wsize == 4) {
            flags = 0;
        } else {
B
bellard 已提交
1297
            /* as default we use the current CS size */
1298
            flags = 0;
B
bellard 已提交
1299 1300
            if (env) {
#ifdef TARGET_X86_64
1301
                if ((env->efer & MSR_EFER_LMA) &&
B
bellard 已提交
1302 1303 1304 1305 1306 1307 1308
                    (env->segs[R_CS].flags & DESC_L_MASK))
                    flags = 2;
                else
#endif
                if (!(env->segs[R_CS].flags & DESC_B_MASK))
                    flags = 1;
            }
1309 1310
        }
#endif
A
aliguori 已提交
1311
        monitor_disas(mon, env, addr, count, is_physical, flags);
1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339
        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) {
1340
        if (is_physical)
A
aliguori 已提交
1341
            monitor_printf(mon, TARGET_FMT_plx ":", addr);
1342
        else
A
aliguori 已提交
1343
            monitor_printf(mon, TARGET_FMT_lx ":", (target_ulong)addr);
1344 1345 1346 1347
        l = len;
        if (l > line_size)
            l = line_size;
        if (is_physical) {
1348
            cpu_physical_memory_read(addr, buf, l);
1349
        } else {
B
bellard 已提交
1350
            env = mon_get_cpu();
1351
            if (cpu_memory_rw_debug(ENV_GET_CPU(env), addr, buf, l, 0) < 0) {
A
aliguori 已提交
1352
                monitor_printf(mon, " Cannot access memory\n");
1353 1354
                break;
            }
1355
        }
1356
        i = 0;
1357 1358 1359 1360 1361 1362 1363 1364 1365 1366
        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
1367
                v = (uint32_t)ldl_raw(buf + i);
1368 1369 1370 1371 1372
                break;
            case 8:
                v = ldq_raw(buf + i);
                break;
            }
A
aliguori 已提交
1373
            monitor_printf(mon, " ");
1374 1375
            switch(format) {
            case 'o':
A
aliguori 已提交
1376
                monitor_printf(mon, "%#*" PRIo64, max_digits, v);
1377 1378
                break;
            case 'x':
A
aliguori 已提交
1379
                monitor_printf(mon, "0x%0*" PRIx64, max_digits, v);
1380 1381
                break;
            case 'u':
A
aliguori 已提交
1382
                monitor_printf(mon, "%*" PRIu64, max_digits, v);
1383 1384
                break;
            case 'd':
A
aliguori 已提交
1385
                monitor_printf(mon, "%*" PRId64, max_digits, v);
1386 1387
                break;
            case 'c':
A
aliguori 已提交
1388
                monitor_printc(mon, v);
1389 1390 1391 1392
                break;
            }
            i += wsize;
        }
A
aliguori 已提交
1393
        monitor_printf(mon, "\n");
1394 1395 1396 1397 1398
        addr += l;
        len -= l;
    }
}

1399
static void do_memory_dump(Monitor *mon, const QDict *qdict)
1400
{
1401 1402 1403 1404 1405
    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
1406
    memory_dump(mon, count, format, size, addr, 0);
1407 1408
}

1409
static void do_physical_memory_dump(Monitor *mon, const QDict *qdict)
1410
{
1411 1412 1413
    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
1414
    hwaddr addr = qdict_get_int(qdict, "addr");
1415

A
aliguori 已提交
1416
    memory_dump(mon, count, format, size, addr, 1);
1417 1418
}

1419
static void do_print(Monitor *mon, const QDict *qdict)
1420
{
1421
    int format = qdict_get_int(qdict, "format");
A
Avi Kivity 已提交
1422
    hwaddr val = qdict_get_int(qdict, "val");
1423

1424 1425
    switch(format) {
    case 'o':
A
Avi Kivity 已提交
1426
        monitor_printf(mon, "%#" HWADDR_PRIo, val);
1427 1428
        break;
    case 'x':
A
Avi Kivity 已提交
1429
        monitor_printf(mon, "%#" HWADDR_PRIx, val);
1430 1431
        break;
    case 'u':
A
Avi Kivity 已提交
1432
        monitor_printf(mon, "%" HWADDR_PRIu, val);
1433 1434 1435
        break;
    default:
    case 'd':
A
Avi Kivity 已提交
1436
        monitor_printf(mon, "%" HWADDR_PRId, val);
1437 1438
        break;
    case 'c':
A
aliguori 已提交
1439
        monitor_printc(mon, val);
1440 1441
        break;
    }
A
aliguori 已提交
1442
    monitor_printf(mon, "\n");
1443 1444
}

1445
static void do_sum(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1446 1447 1448
{
    uint32_t addr;
    uint16_t sum;
1449 1450
    uint32_t start = qdict_get_int(qdict, "start");
    uint32_t size = qdict_get_int(qdict, "size");
B
bellard 已提交
1451 1452 1453

    sum = 0;
    for(addr = start; addr < (start + size); addr++) {
1454
        uint8_t val = ldub_phys(addr);
B
bellard 已提交
1455 1456
        /* BSD sum algorithm ('sum' Unix command) */
        sum = (sum >> 1) | (sum << 15);
1457
        sum += val;
B
bellard 已提交
1458
    }
A
aliguori 已提交
1459
    monitor_printf(mon, "%05d\n", sum);
B
bellard 已提交
1460 1461
}

B
bellard 已提交
1462 1463
static int mouse_button_state;

1464
static void do_mouse_move(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1465 1466
{
    int dx, dy, dz;
1467 1468 1469
    const char *dx_str = qdict_get_str(qdict, "dx_str");
    const char *dy_str = qdict_get_str(qdict, "dy_str");
    const char *dz_str = qdict_get_try_str(qdict, "dz_str");
B
bellard 已提交
1470 1471 1472
    dx = strtol(dx_str, NULL, 0);
    dy = strtol(dy_str, NULL, 0);
    dz = 0;
1473
    if (dz_str)
B
bellard 已提交
1474 1475 1476 1477
        dz = strtol(dz_str, NULL, 0);
    kbd_mouse_event(dx, dy, dz, mouse_button_state);
}

1478
static void do_mouse_button(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1479
{
1480
    int button_state = qdict_get_int(qdict, "button_state");
B
bellard 已提交
1481 1482 1483 1484
    mouse_button_state = button_state;
    kbd_mouse_event(0, 0, 0, mouse_button_state);
}

1485
static void do_ioport_read(Monitor *mon, const QDict *qdict)
B
bellard 已提交
1486
{
1487 1488 1489
    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
1490 1491 1492 1493
    uint32_t val;
    int suffix;

    if (has_index) {
1494
        int index = qdict_get_int(qdict, "index");
1495
        cpu_outb(addr & IOPORTS_MASK, index & 0xff);
B
bellard 已提交
1496 1497 1498 1499 1500 1501 1502
        addr++;
    }
    addr &= 0xffff;

    switch(size) {
    default:
    case 1:
1503
        val = cpu_inb(addr);
B
bellard 已提交
1504 1505 1506
        suffix = 'b';
        break;
    case 2:
1507
        val = cpu_inw(addr);
B
bellard 已提交
1508 1509 1510
        suffix = 'w';
        break;
    case 4:
1511
        val = cpu_inl(addr);
B
bellard 已提交
1512 1513 1514
        suffix = 'l';
        break;
    }
A
aliguori 已提交
1515 1516
    monitor_printf(mon, "port%c[0x%04x] = %#0*x\n",
                   suffix, addr, size * 2, val);
B
bellard 已提交
1517
}
B
bellard 已提交
1518

1519
static void do_ioport_write(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
1520
{
1521 1522 1523 1524
    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
1525 1526 1527 1528 1529
    addr &= IOPORTS_MASK;

    switch (size) {
    default:
    case 1:
1530
        cpu_outb(addr, val);
J
Jan Kiszka 已提交
1531 1532
        break;
    case 2:
1533
        cpu_outw(addr, val);
J
Jan Kiszka 已提交
1534 1535
        break;
    case 4:
1536
        cpu_outl(addr, val);
J
Jan Kiszka 已提交
1537 1538 1539 1540
        break;
    }
}

1541
static void do_boot_set(Monitor *mon, const QDict *qdict)
1542 1543
{
    int res;
1544
    const char *bootdevice = qdict_get_str(qdict, "bootdevice");
1545

J
Jan Kiszka 已提交
1546 1547 1548 1549 1550
    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");
1551
    } else {
A
aliguori 已提交
1552 1553
        monitor_printf(mon, "no function defined to set boot device list for "
                       "this architecture\n");
1554 1555 1556
    }
}

B
bellard 已提交
1557
#if defined(TARGET_I386)
A
Avi Kivity 已提交
1558 1559 1560
static void print_pte(Monitor *mon, hwaddr addr,
                      hwaddr pte,
                      hwaddr mask)
B
bellard 已提交
1561
{
1562 1563 1564 1565 1566 1567 1568
#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
1569 1570
                   addr,
                   pte & mask,
1571
                   pte & PG_NX_MASK ? 'X' : '-',
A
aliguori 已提交
1572 1573 1574 1575 1576 1577 1578 1579
                   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
1580 1581
}

1582
static void tlb_info_32(Monitor *mon, CPUArchState *env)
B
bellard 已提交
1583
{
1584
    unsigned int l1, l2;
B
bellard 已提交
1585 1586 1587 1588
    uint32_t pgd, pde, pte;

    pgd = env->cr[3] & ~0xfff;
    for(l1 = 0; l1 < 1024; l1++) {
1589
        cpu_physical_memory_read(pgd + l1 * 4, &pde, 4);
B
bellard 已提交
1590 1591 1592
        pde = le32_to_cpu(pde);
        if (pde & PG_PRESENT_MASK) {
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
1593 1594
                /* 4M pages */
                print_pte(mon, (l1 << 22), pde, ~((1 << 21) - 1));
B
bellard 已提交
1595 1596
            } else {
                for(l2 = 0; l2 < 1024; l2++) {
1597
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, &pte, 4);
B
bellard 已提交
1598 1599
                    pte = le32_to_cpu(pte);
                    if (pte & PG_PRESENT_MASK) {
A
aliguori 已提交
1600
                        print_pte(mon, (l1 << 22) + (l2 << 12),
1601
                                  pte & ~PG_PSE_MASK,
B
bellard 已提交
1602 1603 1604 1605 1606 1607 1608 1609
                                  ~0xfff);
                    }
                }
            }
        }
    }
}

1610
static void tlb_info_pae32(Monitor *mon, CPUArchState *env)
1611
{
1612
    unsigned int l1, l2, l3;
1613 1614 1615 1616 1617
    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++) {
1618
        cpu_physical_memory_read(pdp_addr + l1 * 8, &pdpe, 8);
1619 1620 1621 1622
        pdpe = le64_to_cpu(pdpe);
        if (pdpe & PG_PRESENT_MASK) {
            pd_addr = pdpe & 0x3fffffffff000ULL;
            for (l2 = 0; l2 < 512; l2++) {
1623
                cpu_physical_memory_read(pd_addr + l2 * 8, &pde, 8);
1624 1625 1626 1627 1628
                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
1629
                                  ~((hwaddr)(1 << 20) - 1));
1630 1631 1632
                    } else {
                        pt_addr = pde & 0x3fffffffff000ULL;
                        for (l3 = 0; l3 < 512; l3++) {
1633
                            cpu_physical_memory_read(pt_addr + l3 * 8, &pte, 8);
1634 1635 1636 1637 1638
                            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
1639
                                          ~(hwaddr)0xfff);
1640 1641 1642 1643 1644 1645 1646 1647 1648 1649
                            }
                        }
                    }
                }
            }
        }
    }
}

#ifdef TARGET_X86_64
1650
static void tlb_info_64(Monitor *mon, CPUArchState *env)
1651 1652 1653 1654 1655 1656 1657
{
    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++) {
1658
        cpu_physical_memory_read(pml4_addr + l1 * 8, &pml4e, 8);
1659 1660 1661 1662
        pml4e = le64_to_cpu(pml4e);
        if (pml4e & PG_PRESENT_MASK) {
            pdp_addr = pml4e & 0x3fffffffff000ULL;
            for (l2 = 0; l2 < 512; l2++) {
1663
                cpu_physical_memory_read(pdp_addr + l2 * 8, &pdpe, 8);
1664 1665 1666 1667 1668 1669 1670 1671 1672
                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++) {
1673
                            cpu_physical_memory_read(pd_addr + l3 * 8, &pde, 8);
1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685
                            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,
1686
                                                                 &pte, 8);
1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706
                                        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

1707
static void tlb_info(Monitor *mon, const QDict *qdict)
1708
{
1709
    CPUArchState *env;
1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730

    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
1731
static void mem_print(Monitor *mon, hwaddr *pstart,
1732
                      int *plast_prot,
A
Avi Kivity 已提交
1733
                      hwaddr end, int prot)
B
bellard 已提交
1734
{
B
bellard 已提交
1735 1736 1737
    int prot1;
    prot1 = *plast_prot;
    if (prot != prot1) {
B
bellard 已提交
1738
        if (*pstart != -1) {
1739 1740
            monitor_printf(mon, TARGET_FMT_plx "-" TARGET_FMT_plx " "
                           TARGET_FMT_plx " %c%c%c\n",
A
aliguori 已提交
1741 1742 1743 1744
                           *pstart, end, end - *pstart,
                           prot1 & PG_USER_MASK ? 'u' : '-',
                           'r',
                           prot1 & PG_RW_MASK ? 'w' : '-');
B
bellard 已提交
1745 1746 1747 1748 1749 1750 1751 1752 1753
        }
        if (prot != 0)
            *pstart = end;
        else
            *pstart = -1;
        *plast_prot = prot;
    }
}

1754
static void mem_info_32(Monitor *mon, CPUArchState *env)
B
bellard 已提交
1755
{
1756 1757
    unsigned int l1, l2;
    int prot, last_prot;
1758
    uint32_t pgd, pde, pte;
A
Avi Kivity 已提交
1759
    hwaddr start, end;
B
bellard 已提交
1760

B
bellard 已提交
1761 1762 1763 1764
    pgd = env->cr[3] & ~0xfff;
    last_prot = 0;
    start = -1;
    for(l1 = 0; l1 < 1024; l1++) {
1765
        cpu_physical_memory_read(pgd + l1 * 4, &pde, 4);
B
bellard 已提交
1766 1767 1768 1769 1770
        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
1771
                mem_print(mon, &start, &last_prot, end, prot);
B
bellard 已提交
1772 1773
            } else {
                for(l2 = 0; l2 < 1024; l2++) {
1774
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, &pte, 4);
B
bellard 已提交
1775 1776 1777
                    pte = le32_to_cpu(pte);
                    end = (l1 << 22) + (l2 << 12);
                    if (pte & PG_PRESENT_MASK) {
1778 1779
                        prot = pte & pde &
                            (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
B
bellard 已提交
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 1787
                }
            }
        } else {
            prot = 0;
A
aliguori 已提交
1788
            mem_print(mon, &start, &last_prot, end, prot);
B
bellard 已提交
1789 1790
        }
    }
1791
    /* Flush last range */
A
Avi Kivity 已提交
1792
    mem_print(mon, &start, &last_prot, (hwaddr)1 << 32, 0);
B
bellard 已提交
1793
}
1794

1795
static void mem_info_pae32(Monitor *mon, CPUArchState *env)
1796
{
1797 1798
    unsigned int l1, l2, l3;
    int prot, last_prot;
1799 1800
    uint64_t pdpe, pde, pte;
    uint64_t pdp_addr, pd_addr, pt_addr;
A
Avi Kivity 已提交
1801
    hwaddr start, end;
1802 1803 1804 1805 1806

    pdp_addr = env->cr[3] & ~0x1f;
    last_prot = 0;
    start = -1;
    for (l1 = 0; l1 < 4; l1++) {
1807
        cpu_physical_memory_read(pdp_addr + l1 * 8, &pdpe, 8);
1808 1809 1810 1811 1812
        pdpe = le64_to_cpu(pdpe);
        end = l1 << 30;
        if (pdpe & PG_PRESENT_MASK) {
            pd_addr = pdpe & 0x3fffffffff000ULL;
            for (l2 = 0; l2 < 512; l2++) {
1813
                cpu_physical_memory_read(pd_addr + l2 * 8, &pde, 8);
1814 1815 1816 1817 1818 1819 1820 1821 1822 1823
                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++) {
1824
                            cpu_physical_memory_read(pt_addr + l3 * 8, &pte, 8);
1825 1826 1827
                            pte = le64_to_cpu(pte);
                            end = (l1 << 30) + (l2 << 21) + (l3 << 12);
                            if (pte & PG_PRESENT_MASK) {
1828 1829
                                prot = pte & pde & (PG_USER_MASK | PG_RW_MASK |
                                                    PG_PRESENT_MASK);
1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845
                            } 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);
        }
    }
1846
    /* Flush last range */
A
Avi Kivity 已提交
1847
    mem_print(mon, &start, &last_prot, (hwaddr)1 << 32, 0);
1848 1849 1850 1851
}


#ifdef TARGET_X86_64
1852
static void mem_info_64(Monitor *mon, CPUArchState *env)
1853 1854 1855 1856 1857 1858 1859 1860 1861 1862
{
    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++) {
1863
        cpu_physical_memory_read(pml4_addr + l1 * 8, &pml4e, 8);
1864 1865 1866 1867 1868
        pml4e = le64_to_cpu(pml4e);
        end = l1 << 39;
        if (pml4e & PG_PRESENT_MASK) {
            pdp_addr = pml4e & 0x3fffffffff000ULL;
            for (l2 = 0; l2 < 512; l2++) {
1869
                cpu_physical_memory_read(pdp_addr + l2 * 8, &pdpe, 8);
1870 1871 1872 1873
                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
1874 1875
                        prot = pdpe & (PG_USER_MASK | PG_RW_MASK |
                                       PG_PRESENT_MASK);
1876
                        prot &= pml4e;
1877 1878 1879 1880
                        mem_print(mon, &start, &last_prot, end, prot);
                    } else {
                        pd_addr = pdpe & 0x3fffffffff000ULL;
                        for (l3 = 0; l3 < 512; l3++) {
1881
                            cpu_physical_memory_read(pd_addr + l3 * 8, &pde, 8);
1882 1883 1884 1885 1886 1887
                            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);
1888
                                    prot &= pml4e & pdpe;
1889 1890 1891 1892 1893 1894
                                    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,
1895
                                                                 &pte, 8);
1896 1897 1898 1899 1900 1901
                                        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);
1902
                                            prot &= pml4e & pdpe & pde;
1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924
                                        } 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);
        }
    }
1925
    /* Flush last range */
A
Avi Kivity 已提交
1926
    mem_print(mon, &start, &last_prot, (hwaddr)1 << 48, 0);
1927 1928 1929
}
#endif

1930
static void mem_info(Monitor *mon, const QDict *qdict)
1931
{
1932
    CPUArchState *env;
1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952

    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
1953 1954
#endif

A
aurel32 已提交
1955 1956
#if defined(TARGET_SH4)

A
aliguori 已提交
1957
static void print_tlb(Monitor *mon, int idx, tlb_t *tlb)
A
aurel32 已提交
1958
{
A
aliguori 已提交
1959 1960 1961 1962 1963 1964 1965 1966
    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
1967 1968
}

1969
static void tlb_info(Monitor *mon, const QDict *qdict)
A
aurel32 已提交
1970
{
1971
    CPUArchState *env = mon_get_cpu();
A
aurel32 已提交
1972 1973
    int i;

A
aliguori 已提交
1974
    monitor_printf (mon, "ITLB:\n");
A
aurel32 已提交
1975
    for (i = 0 ; i < ITLB_SIZE ; i++)
A
aliguori 已提交
1976 1977
        print_tlb (mon, i, &env->itlb[i]);
    monitor_printf (mon, "UTLB:\n");
A
aurel32 已提交
1978
    for (i = 0 ; i < UTLB_SIZE ; i++)
A
aliguori 已提交
1979
        print_tlb (mon, i, &env->utlb[i]);
A
aurel32 已提交
1980 1981 1982 1983
}

#endif

1984
#if defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_XTENSA)
1985
static void tlb_info(Monitor *mon, const QDict *qdict)
1986
{
1987
    CPUArchState *env1 = mon_get_cpu();
1988 1989 1990 1991 1992

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

1993
static void do_info_mtree(Monitor *mon, const QDict *qdict)
B
Blue Swirl 已提交
1994 1995 1996 1997
{
    mtree_info((fprintf_function)monitor_printf, mon);
}

1998
static void do_info_numa(Monitor *mon, const QDict *qdict)
1999
{
2000
    int i;
2001
    CPUState *cpu;
2002 2003 2004 2005

    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
2006
        CPU_FOREACH(cpu) {
2007
            if (cpu->numa_node == i) {
2008
                monitor_printf(mon, " %d", cpu->cpu_index);
2009 2010 2011 2012 2013 2014 2015 2016
            }
        }
        monitor_printf(mon, "\n");
        monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
            node_mem[i] >> 20);
    }
}

B
bellard 已提交
2017 2018
#ifdef CONFIG_PROFILER

A
Aurelien Jarno 已提交
2019 2020 2021
int64_t qemu_time;
int64_t dev_time;

2022
static void do_info_profile(Monitor *mon, const QDict *qdict)
B
bellard 已提交
2023 2024 2025 2026 2027
{
    int64_t total;
    total = qemu_time;
    if (total == 0)
        total = 1;
A
aliguori 已提交
2028
    monitor_printf(mon, "async time  %" PRId64 " (%0.3f)\n",
2029
                   dev_time, dev_time / (double)get_ticks_per_sec());
A
aliguori 已提交
2030
    monitor_printf(mon, "qemu time   %" PRId64 " (%0.3f)\n",
2031
                   qemu_time, qemu_time / (double)get_ticks_per_sec());
B
bellard 已提交
2032 2033 2034 2035
    qemu_time = 0;
    dev_time = 0;
}
#else
2036
static void do_info_profile(Monitor *mon, const QDict *qdict)
B
bellard 已提交
2037
{
A
aliguori 已提交
2038
    monitor_printf(mon, "Internal profiler not compiled\n");
B
bellard 已提交
2039 2040 2041
}
#endif

B
bellard 已提交
2042
/* Capture support */
B
Blue Swirl 已提交
2043
static QLIST_HEAD (capture_list_head, CaptureState) capture_head;
B
bellard 已提交
2044

2045
static void do_info_capture(Monitor *mon, const QDict *qdict)
B
bellard 已提交
2046 2047 2048 2049 2050
{
    int i;
    CaptureState *s;

    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
A
aliguori 已提交
2051
        monitor_printf(mon, "[%d]: ", i);
B
bellard 已提交
2052 2053 2054 2055
        s->ops.info (s->opaque);
    }
}

2056
static void do_stop_capture(Monitor *mon, const QDict *qdict)
B
bellard 已提交
2057 2058
{
    int i;
2059
    int n = qdict_get_int(qdict, "n");
B
bellard 已提交
2060 2061 2062 2063 2064
    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
2065
            QLIST_REMOVE (s, entries);
2066
            g_free (s);
B
bellard 已提交
2067 2068 2069 2070 2071
            return;
        }
    }
}

2072 2073 2074 2075 2076 2077 2078 2079 2080
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
2081 2082
    CaptureState *s;

2083
    s = g_malloc0 (sizeof (*s));
B
bellard 已提交
2084 2085 2086 2087 2088 2089

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

    if (wav_start_capture (s, path, freq, bits, nchannels)) {
2090
        monitor_printf(mon, "Failed to add wave capture\n");
2091
        g_free (s);
2092
        return;
B
bellard 已提交
2093
    }
B
Blue Swirl 已提交
2094
    QLIST_INSERT_HEAD (&capture_head, s, entries);
B
bellard 已提交
2095 2096
}

J
Jan Kiszka 已提交
2097
static qemu_acl *find_acl(Monitor *mon, const char *name)
2098
{
J
Jan Kiszka 已提交
2099
    qemu_acl *acl = qemu_acl_find(name);
2100 2101

    if (!acl) {
J
Jan Kiszka 已提交
2102
        monitor_printf(mon, "acl: unknown list '%s'\n", name);
2103
    }
J
Jan Kiszka 已提交
2104 2105 2106
    return acl;
}

2107
static void do_acl_show(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
2108
{
2109
    const char *aclname = qdict_get_str(qdict, "aclname");
J
Jan Kiszka 已提交
2110 2111 2112
    qemu_acl *acl = find_acl(mon, aclname);
    qemu_acl_entry *entry;
    int i = 0;
2113

J
Jan Kiszka 已提交
2114
    if (acl) {
2115
        monitor_printf(mon, "policy: %s\n",
2116
                       acl->defaultDeny ? "deny" : "allow");
B
Blue Swirl 已提交
2117
        QTAILQ_FOREACH(entry, &acl->entries, next) {
2118 2119
            i++;
            monitor_printf(mon, "%d: %s %s\n", i,
J
Jan Kiszka 已提交
2120
                           entry->deny ? "deny" : "allow", entry->match);
2121
        }
J
Jan Kiszka 已提交
2122 2123 2124
    }
}

2125
static void do_acl_reset(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
2126
{
2127
    const char *aclname = qdict_get_str(qdict, "aclname");
J
Jan Kiszka 已提交
2128 2129 2130
    qemu_acl *acl = find_acl(mon, aclname);

    if (acl) {
2131 2132
        qemu_acl_reset(acl);
        monitor_printf(mon, "acl: removed all rules\n");
J
Jan Kiszka 已提交
2133 2134 2135
    }
}

2136
static void do_acl_policy(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
2137
{
2138 2139
    const char *aclname = qdict_get_str(qdict, "aclname");
    const char *policy = qdict_get_str(qdict, "policy");
J
Jan Kiszka 已提交
2140
    qemu_acl *acl = find_acl(mon, aclname);
2141

J
Jan Kiszka 已提交
2142 2143
    if (acl) {
        if (strcmp(policy, "allow") == 0) {
2144 2145
            acl->defaultDeny = 0;
            monitor_printf(mon, "acl: policy set to 'allow'\n");
J
Jan Kiszka 已提交
2146
        } else if (strcmp(policy, "deny") == 0) {
2147 2148 2149
            acl->defaultDeny = 1;
            monitor_printf(mon, "acl: policy set to 'deny'\n");
        } else {
J
Jan Kiszka 已提交
2150 2151
            monitor_printf(mon, "acl: unknown policy '%s', "
                           "expected 'deny' or 'allow'\n", policy);
2152
        }
J
Jan Kiszka 已提交
2153 2154
    }
}
2155

2156
static void do_acl_add(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
2157
{
2158 2159 2160 2161 2162
    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
2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173
    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);
2174 2175 2176 2177 2178 2179 2180 2181 2182 2183
            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
2184 2185
    }
}
2186

2187
static void do_acl_remove(Monitor *mon, const QDict *qdict)
J
Jan Kiszka 已提交
2188
{
2189 2190
    const char *aclname = qdict_get_str(qdict, "aclname");
    const char *match = qdict_get_str(qdict, "match");
J
Jan Kiszka 已提交
2191 2192
    qemu_acl *acl = find_acl(mon, aclname);
    int ret;
2193

J
Jan Kiszka 已提交
2194
    if (acl) {
2195 2196 2197 2198 2199
        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);
2200 2201 2202
    }
}

2203
#if defined(TARGET_I386)
2204
static void do_inject_mce(Monitor *mon, const QDict *qdict)
2205
{
2206
    X86CPU *cpu;
2207
    CPUState *cs;
2208 2209 2210 2211 2212 2213
    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");
2214
    int flags = MCE_INJECT_UNCOND_AO;
2215

2216 2217 2218
    if (qdict_get_try_bool(qdict, "broadcast", 0)) {
        flags |= MCE_INJECT_BROADCAST;
    }
2219 2220 2221 2222 2223
    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);
2224
    }
2225 2226 2227
}
#endif

C
Corey Bryant 已提交
2228
void qmp_getfd(const char *fdname, Error **errp)
2229
{
A
Anthony Liguori 已提交
2230
    mon_fd_t *monfd;
2231 2232
    int fd;

C
Corey Bryant 已提交
2233
    fd = qemu_chr_fe_get_msgfd(cur_mon->chr);
2234
    if (fd == -1) {
C
Corey Bryant 已提交
2235 2236
        error_set(errp, QERR_FD_NOT_SUPPLIED);
        return;
2237 2238 2239
    }

    if (qemu_isdigit(fdname[0])) {
C
Corey Bryant 已提交
2240 2241 2242
        error_set(errp, QERR_INVALID_PARAMETER_VALUE, "fdname",
                  "a name not starting with a digit");
        return;
2243 2244
    }

C
Corey Bryant 已提交
2245
    QLIST_FOREACH(monfd, &cur_mon->fds, next) {
2246 2247 2248 2249 2250 2251
        if (strcmp(monfd->name, fdname) != 0) {
            continue;
        }

        close(monfd->fd);
        monfd->fd = fd;
C
Corey Bryant 已提交
2252
        return;
2253 2254
    }

2255 2256
    monfd = g_malloc0(sizeof(mon_fd_t));
    monfd->name = g_strdup(fdname);
2257 2258
    monfd->fd = fd;

C
Corey Bryant 已提交
2259
    QLIST_INSERT_HEAD(&cur_mon->fds, monfd, next);
2260 2261
}

C
Corey Bryant 已提交
2262
void qmp_closefd(const char *fdname, Error **errp)
2263
{
A
Anthony Liguori 已提交
2264
    mon_fd_t *monfd;
2265

C
Corey Bryant 已提交
2266
    QLIST_FOREACH(monfd, &cur_mon->fds, next) {
2267 2268 2269 2270
        if (strcmp(monfd->name, fdname) != 0) {
            continue;
        }

B
Blue Swirl 已提交
2271
        QLIST_REMOVE(monfd, next);
2272
        close(monfd->fd);
2273 2274
        g_free(monfd->name);
        g_free(monfd);
C
Corey Bryant 已提交
2275
        return;
2276 2277
    }

C
Corey Bryant 已提交
2278
    error_set(errp, QERR_FD_NOT_FOUND, fdname);
2279 2280
}

2281
static void do_loadvm(Monitor *mon, const QDict *qdict)
J
Juan Quintela 已提交
2282
{
2283
    int saved_vm_running  = runstate_is_running();
2284
    const char *name = qdict_get_str(qdict, "name");
J
Juan Quintela 已提交
2285

2286
    vm_stop(RUN_STATE_RESTORE_VM);
J
Juan Quintela 已提交
2287

2288
    if (load_vmstate(name) == 0 && saved_vm_running) {
J
Juan Quintela 已提交
2289
        vm_start();
2290
    }
J
Juan Quintela 已提交
2291 2292
}

2293
int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
2294
{
A
Anthony Liguori 已提交
2295
    mon_fd_t *monfd;
2296

B
Blue Swirl 已提交
2297
    QLIST_FOREACH(monfd, &mon->fds, next) {
2298 2299 2300 2301 2302 2303 2304 2305 2306
        int fd;

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

        fd = monfd->fd;

        /* caller takes ownership of fd */
B
Blue Swirl 已提交
2307
        QLIST_REMOVE(monfd, next);
2308 2309
        g_free(monfd->name);
        g_free(monfd);
2310 2311 2312 2313

        return fd;
    }

2314
    error_setg(errp, "File descriptor named '%s' has not been found", fdname);
2315 2316 2317
    return -1;
}

2318 2319 2320 2321 2322 2323
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) {
2324 2325 2326
        if ((mon_fdset_fd->removed ||
                (QLIST_EMPTY(&mon_fdset->dup_fds) && mon_refcount == 0)) &&
                runstate_is_running()) {
2327 2328 2329 2330 2331 2332 2333
            close(mon_fdset_fd->fd);
            g_free(mon_fdset_fd->opaque);
            QLIST_REMOVE(mon_fdset_fd, next);
            g_free(mon_fdset_fd);
        }
    }

2334
    if (QLIST_EMPTY(&mon_fdset->fds) && QLIST_EMPTY(&mon_fdset->dup_fds)) {
2335 2336 2337 2338 2339
        QLIST_REMOVE(mon_fdset, next);
        g_free(mon_fdset);
    }
}

2340 2341 2342 2343 2344 2345 2346 2347 2348 2349
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);
    }
}

2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362
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;
    }

2363 2364 2365 2366
    fdinfo = monitor_fdset_add_fd(fd, has_fdset_id, fdset_id,
                                  has_opaque, opaque, errp);
    if (fdinfo) {
        return fdinfo;
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 2445 2446 2447 2448 2449 2450 2451 2452
    }

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;
}

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 2526 2527 2528 2529 2530 2531 2532 2533
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;
}

2534 2535
int monitor_fdset_get_fd(int64_t fdset_id, int flags)
{
2536
#ifndef _WIN32
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 2609 2610 2611 2612 2613 2614 2615 2616
    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);
}

2617 2618 2619
int monitor_handle_fd_param(Monitor *mon, const char *fdname)
{
    int fd;
2620
    Error *local_err = NULL;
2621 2622 2623

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

2624
        fd = monitor_get_fd(mon, fdname, &local_err);
2625
        if (fd == -1) {
2626 2627
            qerror_report_err(local_err);
            error_free(local_err);
2628 2629 2630 2631 2632 2633 2634 2635 2636
            return -1;
        }
    } else {
        fd = qemu_parse_fd(fdname);
    }

    return fd;
}

2637
/* Please update hmp-commands.hx when adding or changing commands */
2638
static mon_cmd_t info_cmds[] = {
2639 2640 2641 2642 2643
    {
        .name       = "version",
        .args_type  = "",
        .params     = "",
        .help       = "show the version of QEMU",
W
Wenchao Xia 已提交
2644
        .mhandler.cmd = hmp_info_version,
2645 2646 2647 2648 2649 2650
    },
    {
        .name       = "network",
        .args_type  = "",
        .params     = "",
        .help       = "show the network state",
W
Wenchao Xia 已提交
2651
        .mhandler.cmd = do_info_network,
2652 2653 2654 2655 2656 2657
    },
    {
        .name       = "chardev",
        .args_type  = "",
        .params     = "",
        .help       = "show the character devices",
W
Wenchao Xia 已提交
2658
        .mhandler.cmd = hmp_info_chardev,
2659 2660 2661
    },
    {
        .name       = "block",
2662 2663 2664 2665
        .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
2666
        .mhandler.cmd = hmp_info_block,
2667 2668 2669 2670 2671 2672
    },
    {
        .name       = "blockstats",
        .args_type  = "",
        .params     = "",
        .help       = "show block device statistics",
W
Wenchao Xia 已提交
2673
        .mhandler.cmd = hmp_info_blockstats,
2674
    },
S
Stefan Hajnoczi 已提交
2675 2676 2677 2678 2679
    {
        .name       = "block-jobs",
        .args_type  = "",
        .params     = "",
        .help       = "show progress of ongoing block device operations",
W
Wenchao Xia 已提交
2680
        .mhandler.cmd = hmp_info_block_jobs,
S
Stefan Hajnoczi 已提交
2681
    },
2682 2683 2684 2685 2686
    {
        .name       = "registers",
        .args_type  = "",
        .params     = "",
        .help       = "show the cpu registers",
W
Wenchao Xia 已提交
2687
        .mhandler.cmd = do_info_registers,
2688 2689 2690 2691 2692 2693
    },
    {
        .name       = "cpus",
        .args_type  = "",
        .params     = "",
        .help       = "show infos for each CPU",
W
Wenchao Xia 已提交
2694
        .mhandler.cmd = hmp_info_cpus,
2695 2696 2697 2698 2699 2700
    },
    {
        .name       = "history",
        .args_type  = "",
        .params     = "",
        .help       = "show the command line history",
W
Wenchao Xia 已提交
2701
        .mhandler.cmd = do_info_history,
2702
    },
2703 2704
#if defined(TARGET_I386) || defined(TARGET_PPC) || defined(TARGET_MIPS) || \
    defined(TARGET_LM32) || (defined(TARGET_SPARC) && !defined(TARGET_SPARC64))
2705 2706 2707 2708 2709
    {
        .name       = "irq",
        .args_type  = "",
        .params     = "",
        .help       = "show the interrupts statistics (if available)",
2710
#ifdef TARGET_SPARC
W
Wenchao Xia 已提交
2711
        .mhandler.cmd = sun4m_irq_info,
2712
#elif defined(TARGET_LM32)
W
Wenchao Xia 已提交
2713
        .mhandler.cmd = lm32_irq_info,
2714
#else
W
Wenchao Xia 已提交
2715
        .mhandler.cmd = irq_info,
2716
#endif
2717 2718 2719 2720 2721 2722
    },
    {
        .name       = "pic",
        .args_type  = "",
        .params     = "",
        .help       = "show i8259 (PIC) state",
2723
#ifdef TARGET_SPARC
W
Wenchao Xia 已提交
2724
        .mhandler.cmd = sun4m_pic_info,
2725
#elif defined(TARGET_LM32)
W
Wenchao Xia 已提交
2726
        .mhandler.cmd = lm32_do_pic_info,
2727
#else
W
Wenchao Xia 已提交
2728
        .mhandler.cmd = pic_info,
2729
#endif
2730
    },
2731
#endif
2732 2733 2734 2735 2736
    {
        .name       = "pci",
        .args_type  = "",
        .params     = "",
        .help       = "show PCI info",
W
Wenchao Xia 已提交
2737
        .mhandler.cmd = hmp_info_pci,
2738
    },
S
Scott Wood 已提交
2739
#if defined(TARGET_I386) || defined(TARGET_SH4) || defined(TARGET_SPARC) || \
2740
    defined(TARGET_PPC) || defined(TARGET_XTENSA)
2741 2742 2743 2744 2745
    {
        .name       = "tlb",
        .args_type  = "",
        .params     = "",
        .help       = "show virtual to physical memory mappings",
W
Wenchao Xia 已提交
2746
        .mhandler.cmd = tlb_info,
2747
    },
A
aurel32 已提交
2748 2749
#endif
#if defined(TARGET_I386)
2750 2751 2752 2753 2754
    {
        .name       = "mem",
        .args_type  = "",
        .params     = "",
        .help       = "show the active virtual memory mappings",
W
Wenchao Xia 已提交
2755
        .mhandler.cmd = mem_info,
2756
    },
B
bellard 已提交
2757
#endif
B
Blue Swirl 已提交
2758 2759 2760 2761 2762
    {
        .name       = "mtree",
        .args_type  = "",
        .params     = "",
        .help       = "show memory tree",
W
Wenchao Xia 已提交
2763
        .mhandler.cmd = do_info_mtree,
B
Blue Swirl 已提交
2764
    },
2765 2766 2767 2768 2769
    {
        .name       = "jit",
        .args_type  = "",
        .params     = "",
        .help       = "show dynamic compiler info",
W
Wenchao Xia 已提交
2770
        .mhandler.cmd = do_info_jit,
2771 2772 2773 2774 2775 2776
    },
    {
        .name       = "kvm",
        .args_type  = "",
        .params     = "",
        .help       = "show KVM information",
W
Wenchao Xia 已提交
2777
        .mhandler.cmd = hmp_info_kvm,
2778 2779 2780 2781 2782 2783
    },
    {
        .name       = "numa",
        .args_type  = "",
        .params     = "",
        .help       = "show NUMA information",
W
Wenchao Xia 已提交
2784
        .mhandler.cmd = do_info_numa,
2785 2786 2787 2788 2789 2790
    },
    {
        .name       = "usb",
        .args_type  = "",
        .params     = "",
        .help       = "show guest USB devices",
W
Wenchao Xia 已提交
2791
        .mhandler.cmd = usb_info,
2792 2793 2794 2795 2796 2797
    },
    {
        .name       = "usbhost",
        .args_type  = "",
        .params     = "",
        .help       = "show host USB devices",
W
Wenchao Xia 已提交
2798
        .mhandler.cmd = usb_host_info,
2799 2800 2801 2802 2803 2804
    },
    {
        .name       = "profile",
        .args_type  = "",
        .params     = "",
        .help       = "show profiling information",
W
Wenchao Xia 已提交
2805
        .mhandler.cmd = do_info_profile,
2806 2807 2808 2809 2810 2811
    },
    {
        .name       = "capture",
        .args_type  = "",
        .params     = "",
        .help       = "show capture information",
W
Wenchao Xia 已提交
2812
        .mhandler.cmd = do_info_capture,
2813 2814 2815 2816 2817 2818
    },
    {
        .name       = "snapshots",
        .args_type  = "",
        .params     = "",
        .help       = "show the currently saved VM snapshots",
W
Wenchao Xia 已提交
2819
        .mhandler.cmd = do_info_snapshots,
2820 2821 2822 2823 2824 2825
    },
    {
        .name       = "status",
        .args_type  = "",
        .params     = "",
        .help       = "show the current VM status (running|paused)",
W
Wenchao Xia 已提交
2826
        .mhandler.cmd = hmp_info_status,
2827 2828 2829 2830 2831 2832
    },
    {
        .name       = "pcmcia",
        .args_type  = "",
        .params     = "",
        .help       = "show guest PCMCIA status",
W
Wenchao Xia 已提交
2833
        .mhandler.cmd = pcmcia_info,
2834 2835 2836 2837 2838 2839
    },
    {
        .name       = "mice",
        .args_type  = "",
        .params     = "",
        .help       = "show which guest mouse is receiving events",
W
Wenchao Xia 已提交
2840
        .mhandler.cmd = hmp_info_mice,
2841 2842 2843 2844 2845 2846
    },
    {
        .name       = "vnc",
        .args_type  = "",
        .params     = "",
        .help       = "show the vnc server status",
W
Wenchao Xia 已提交
2847
        .mhandler.cmd = hmp_info_vnc,
2848
    },
2849 2850 2851 2852 2853 2854
#if defined(CONFIG_SPICE)
    {
        .name       = "spice",
        .args_type  = "",
        .params     = "",
        .help       = "show the spice server status",
W
Wenchao Xia 已提交
2855
        .mhandler.cmd = hmp_info_spice,
2856 2857
    },
#endif
2858 2859 2860 2861 2862
    {
        .name       = "name",
        .args_type  = "",
        .params     = "",
        .help       = "show the current VM name",
W
Wenchao Xia 已提交
2863
        .mhandler.cmd = hmp_info_name,
2864 2865 2866 2867 2868 2869
    },
    {
        .name       = "uuid",
        .args_type  = "",
        .params     = "",
        .help       = "show the current VM UUID",
W
Wenchao Xia 已提交
2870
        .mhandler.cmd = hmp_info_uuid,
2871 2872 2873 2874 2875 2876
    },
    {
        .name       = "cpustats",
        .args_type  = "",
        .params     = "",
        .help       = "show CPU statistics",
W
Wenchao Xia 已提交
2877
        .mhandler.cmd = do_info_cpu_stats,
2878
    },
2879
#if defined(CONFIG_SLIRP)
2880 2881 2882 2883 2884
    {
        .name       = "usernet",
        .args_type  = "",
        .params     = "",
        .help       = "show user network stack connection states",
W
Wenchao Xia 已提交
2885
        .mhandler.cmd = do_info_usernet,
2886
    },
2887
#endif
2888 2889 2890 2891 2892
    {
        .name       = "migrate",
        .args_type  = "",
        .params     = "",
        .help       = "show migration status",
W
Wenchao Xia 已提交
2893
        .mhandler.cmd = hmp_info_migrate,
2894
    },
O
Orit Wasserman 已提交
2895 2896 2897 2898 2899
    {
        .name       = "migrate_capabilities",
        .args_type  = "",
        .params     = "",
        .help       = "show current migration capabilities",
W
Wenchao Xia 已提交
2900
        .mhandler.cmd = hmp_info_migrate_capabilities,
O
Orit Wasserman 已提交
2901
    },
2902 2903 2904 2905 2906
    {
        .name       = "migrate_cache_size",
        .args_type  = "",
        .params     = "",
        .help       = "show current migration xbzrle cache size",
W
Wenchao Xia 已提交
2907
        .mhandler.cmd = hmp_info_migrate_cache_size,
2908
    },
2909 2910 2911 2912 2913
    {
        .name       = "balloon",
        .args_type  = "",
        .params     = "",
        .help       = "show balloon information",
W
Wenchao Xia 已提交
2914
        .mhandler.cmd = hmp_info_balloon,
2915 2916 2917 2918 2919 2920
    },
    {
        .name       = "qtree",
        .args_type  = "",
        .params     = "",
        .help       = "show device tree",
W
Wenchao Xia 已提交
2921
        .mhandler.cmd = do_info_qtree,
2922 2923 2924 2925 2926 2927
    },
    {
        .name       = "qdm",
        .args_type  = "",
        .params     = "",
        .help       = "show qdev device model list",
W
Wenchao Xia 已提交
2928
        .mhandler.cmd = do_info_qdm,
2929 2930 2931 2932 2933 2934
    },
    {
        .name       = "roms",
        .args_type  = "",
        .params     = "",
        .help       = "show roms",
W
Wenchao Xia 已提交
2935
        .mhandler.cmd = do_info_roms,
2936
    },
2937 2938 2939 2940 2941
    {
        .name       = "trace-events",
        .args_type  = "",
        .params     = "",
        .help       = "show available trace-events & their state",
W
Wenchao Xia 已提交
2942
        .mhandler.cmd = do_trace_print_events,
2943
    },
2944 2945 2946 2947 2948 2949 2950
    {
        .name       = "tpm",
        .args_type  = "",
        .params     = "",
        .help       = "show the TPM device",
        .mhandler.cmd = hmp_info_tpm,
    },
2951 2952 2953
    {
        .name       = NULL,
    },
B
bellard 已提交
2954 2955
};

W
Wenchao Xia 已提交
2956 2957 2958 2959 2960 2961
/* mon_cmds and info_cmds would be sorted at runtime */
static mon_cmd_t mon_cmds[] = {
#include "hmp-commands.h"
    { NULL, NULL, },
};

2962
static const mon_cmd_t qmp_cmds[] = {
2963
#include "qmp-commands-old.h"
2964 2965 2966
    { /* NULL */ },
};

2967 2968 2969
/*******************************************************************/

static const char *pch;
2970
static sigjmp_buf expr_env;
2971

B
bellard 已提交
2972 2973 2974
#define MD_TLONG 0
#define MD_I32   1

2975 2976 2977
typedef struct MonitorDef {
    const char *name;
    int offset;
B
blueswir1 已提交
2978
    target_long (*get_value)(const struct MonitorDef *md, int val);
B
bellard 已提交
2979
    int type;
2980 2981
} MonitorDef;

B
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2982
#if defined(TARGET_I386)
B
blueswir1 已提交
2983
static target_long monitor_get_pc (const struct MonitorDef *md, int val)
B
bellard 已提交
2984
{
2985
    CPUArchState *env = mon_get_cpu();
B
bellard 已提交
2986
    return env->eip + env->segs[R_CS].base;
B
bellard 已提交
2987 2988 2989
}
#endif

2990
#if defined(TARGET_PPC)
B
blueswir1 已提交
2991
static target_long monitor_get_ccr (const struct MonitorDef *md, int val)
2992
{
2993
    CPUArchState *env = mon_get_cpu();
2994 2995 2996 2997 2998
    unsigned int u;
    int i;

    u = 0;
    for (i = 0; i < 8; i++)
2999
        u |= env->crf[i] << (32 - (4 * i));
3000 3001 3002 3003

    return u;
}

B
blueswir1 已提交
3004
static target_long monitor_get_msr (const struct MonitorDef *md, int val)
3005
{
3006
    CPUArchState *env = mon_get_cpu();
3007
    return env->msr;
3008 3009
}

B
blueswir1 已提交
3010
static target_long monitor_get_xer (const struct MonitorDef *md, int val)
3011
{
3012
    CPUArchState *env = mon_get_cpu();
A
aurel32 已提交
3013
    return env->xer;
3014
}
3015

B
blueswir1 已提交
3016
static target_long monitor_get_decr (const struct MonitorDef *md, int val)
3017
{
3018
    CPUArchState *env = mon_get_cpu();
B
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3019
    return cpu_ppc_load_decr(env);
3020 3021
}

B
blueswir1 已提交
3022
static target_long monitor_get_tbu (const struct MonitorDef *md, int val)
3023
{
3024
    CPUArchState *env = mon_get_cpu();
B
bellard 已提交
3025
    return cpu_ppc_load_tbu(env);
3026 3027
}

B
blueswir1 已提交
3028
static target_long monitor_get_tbl (const struct MonitorDef *md, int val)
3029
{
3030
    CPUArchState *env = mon_get_cpu();
B
bellard 已提交
3031
    return cpu_ppc_load_tbl(env);
3032
}
3033 3034
#endif

3035
#if defined(TARGET_SPARC)
B
bellard 已提交
3036
#ifndef TARGET_SPARC64
B
blueswir1 已提交
3037
static target_long monitor_get_psr (const struct MonitorDef *md, int val)
3038
{
3039
    CPUArchState *env = mon_get_cpu();
3040 3041

    return cpu_get_psr(env);
3042
}
B
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3043
#endif
3044

B
blueswir1 已提交
3045
static target_long monitor_get_reg(const struct MonitorDef *md, int val)
3046
{
3047
    CPUArchState *env = mon_get_cpu();
B
bellard 已提交
3048
    return env->regwptr[val];
3049 3050 3051
}
#endif

B
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3052
static const MonitorDef monitor_defs[] = {
3053
#ifdef TARGET_I386
B
bellard 已提交
3054 3055

#define SEG(name, seg) \
3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067
    { name, offsetof(CPUX86State, segs[seg].selector), NULL, MD_I32 },\
    { name ".base", offsetof(CPUX86State, segs[seg].base) },\
    { name ".limit", offsetof(CPUX86State, segs[seg].limit), NULL, MD_I32 },

    { "eax", offsetof(CPUX86State, regs[0]) },
    { "ecx", offsetof(CPUX86State, regs[1]) },
    { "edx", offsetof(CPUX86State, regs[2]) },
    { "ebx", offsetof(CPUX86State, regs[3]) },
    { "esp|sp", offsetof(CPUX86State, regs[4]) },
    { "ebp|fp", offsetof(CPUX86State, regs[5]) },
    { "esi", offsetof(CPUX86State, regs[6]) },
    { "edi", offsetof(CPUX86State, regs[7]) },
B
bellard 已提交
3068
#ifdef TARGET_X86_64
3069 3070 3071 3072 3073 3074 3075 3076
    { "r8", offsetof(CPUX86State, regs[8]) },
    { "r9", offsetof(CPUX86State, regs[9]) },
    { "r10", offsetof(CPUX86State, regs[10]) },
    { "r11", offsetof(CPUX86State, regs[11]) },
    { "r12", offsetof(CPUX86State, regs[12]) },
    { "r13", offsetof(CPUX86State, regs[13]) },
    { "r14", offsetof(CPUX86State, regs[14]) },
    { "r15", offsetof(CPUX86State, regs[15]) },
B
bellard 已提交
3077
#endif
3078 3079
    { "eflags", offsetof(CPUX86State, eflags) },
    { "eip", offsetof(CPUX86State, eip) },
B
bellard 已提交
3080 3081 3082
    SEG("cs", R_CS)
    SEG("ds", R_DS)
    SEG("es", R_ES)
B
bellard 已提交
3083
    SEG("ss", R_SS)
B
bellard 已提交
3084 3085 3086
    SEG("fs", R_FS)
    SEG("gs", R_GS)
    { "pc", 0, monitor_get_pc, },
3087
#elif defined(TARGET_PPC)
J
j_mayer 已提交
3088
    /* General purpose registers */
3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120
    { "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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3121
    /* Floating point registers */
3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154
    { "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
j_mayer 已提交
3155
    /* Next instruction pointer */
3156 3157 3158
    { "nip|pc", offsetof(CPUPPCState, nip) },
    { "lr", offsetof(CPUPPCState, lr) },
    { "ctr", offsetof(CPUPPCState, ctr) },
3159
    { "decr", 0, &monitor_get_decr, },
3160
    { "ccr", 0, &monitor_get_ccr, },
J
j_mayer 已提交
3161
    /* Machine state register */
3162 3163
    { "msr", 0, &monitor_get_msr, },
    { "xer", 0, &monitor_get_xer, },
3164 3165
    { "tbu", 0, &monitor_get_tbu, },
    { "tbl", 0, &monitor_get_tbl, },
J
j_mayer 已提交
3166
    /* Segment registers */
3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183
    { "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
3184
    /* Too lazy to put BATs... */
3185 3186 3187 3188
    { "pvr", offsetof(CPUPPCState, spr[SPR_PVR]) },

    { "srr0", offsetof(CPUPPCState, spr[SPR_SRR0]) },
    { "srr1", offsetof(CPUPPCState, spr[SPR_SRR1]) },
3189 3190 3191
    { "dar", offsetof(CPUPPCState, spr[SPR_DAR]) },
    { "dsisr", offsetof(CPUPPCState, spr[SPR_DSISR]) },
    { "cfar", offsetof(CPUPPCState, spr[SPR_CFAR]) },
3192 3193 3194 3195 3196 3197 3198 3199 3200 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
    { "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
3256

3257
#elif defined(TARGET_SPARC)
3258 3259 3260 3261 3262 3263 3264 3265
    { "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]) },
3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289
    { "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 },
3290 3291 3292
    { "pc", offsetof(CPUSPARCState, pc) },
    { "npc", offsetof(CPUSPARCState, npc) },
    { "y", offsetof(CPUSPARCState, y) },
B
bellard 已提交
3293
#ifndef TARGET_SPARC64
3294
    { "psr", 0, &monitor_get_psr, },
3295
    { "wim", offsetof(CPUSPARCState, wim) },
B
bellard 已提交
3296
#endif
3297 3298 3299 3300 3301 3302 3303 3304 3305 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
    { "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
3331
#ifdef TARGET_SPARC64
3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355
    { "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
3356
#endif
3357 3358 3359 3360
#endif
    { NULL },
};

3361 3362
static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
expr_error(Monitor *mon, const char *fmt, ...)
B
bellard 已提交
3363
{
3364 3365 3366 3367 3368
    va_list ap;
    va_start(ap, fmt);
    monitor_vprintf(mon, fmt, ap);
    monitor_printf(mon, "\n");
    va_end(ap);
3369
    siglongjmp(expr_env, 1);
3370 3371
}

3372
/* return 0 if OK, -1 if not found */
B
bellard 已提交
3373
static int get_monitor_def(target_long *pval, const char *name)
3374
{
B
blueswir1 已提交
3375
    const MonitorDef *md;
B
bellard 已提交
3376 3377
    void *ptr;

3378 3379 3380
    for(md = monitor_defs; md->name != NULL; md++) {
        if (compare_cmd(name, md->name)) {
            if (md->get_value) {
3381
                *pval = md->get_value(md, md->offset);
3382
            } else {
3383
                CPUArchState *env = mon_get_cpu();
B
bellard 已提交
3384
                ptr = (uint8_t *)env + md->offset;
B
bellard 已提交
3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395
                switch(md->type) {
                case MD_I32:
                    *pval = *(int32_t *)ptr;
                    break;
                case MD_TLONG:
                    *pval = *(target_long *)ptr;
                    break;
                default:
                    *pval = 0;
                    break;
                }
3396 3397 3398 3399 3400 3401 3402 3403 3404
            }
            return 0;
        }
    }
    return -1;
}

static void next(void)
{
3405
    if (*pch != '\0') {
3406
        pch++;
3407
        while (qemu_isspace(*pch))
3408 3409 3410 3411
            pch++;
    }
}

A
aliguori 已提交
3412
static int64_t expr_sum(Monitor *mon);
3413

A
aliguori 已提交
3414
static int64_t expr_unary(Monitor *mon)
3415
{
B
blueswir1 已提交
3416
    int64_t n;
3417
    char *p;
B
bellard 已提交
3418
    int ret;
3419 3420 3421 3422

    switch(*pch) {
    case '+':
        next();
A
aliguori 已提交
3423
        n = expr_unary(mon);
3424 3425 3426
        break;
    case '-':
        next();
A
aliguori 已提交
3427
        n = -expr_unary(mon);
3428 3429 3430
        break;
    case '~':
        next();
A
aliguori 已提交
3431
        n = ~expr_unary(mon);
3432 3433 3434
        break;
    case '(':
        next();
A
aliguori 已提交
3435
        n = expr_sum(mon);
3436
        if (*pch != ')') {
A
aliguori 已提交
3437
            expr_error(mon, "')' expected");
3438 3439 3440
        }
        next();
        break;
B
bellard 已提交
3441 3442 3443
    case '\'':
        pch++;
        if (*pch == '\0')
A
aliguori 已提交
3444
            expr_error(mon, "character constant expected");
B
bellard 已提交
3445 3446 3447
        n = *pch;
        pch++;
        if (*pch != '\'')
A
aliguori 已提交
3448
            expr_error(mon, "missing terminating \' character");
B
bellard 已提交
3449 3450
        next();
        break;
3451 3452 3453
    case '$':
        {
            char buf[128], *q;
3454
            target_long reg=0;
3455

3456 3457 3458 3459 3460
            pch++;
            q = buf;
            while ((*pch >= 'a' && *pch <= 'z') ||
                   (*pch >= 'A' && *pch <= 'Z') ||
                   (*pch >= '0' && *pch <= '9') ||
B
bellard 已提交
3461
                   *pch == '_' || *pch == '.') {
3462 3463 3464 3465
                if ((q - buf) < sizeof(buf) - 1)
                    *q++ = *pch;
                pch++;
            }
3466
            while (qemu_isspace(*pch))
3467 3468
                pch++;
            *q = 0;
3469
            ret = get_monitor_def(&reg, buf);
3470
            if (ret < 0)
A
aliguori 已提交
3471
                expr_error(mon, "unknown register");
3472
            n = reg;
3473 3474 3475
        }
        break;
    case '\0':
A
aliguori 已提交
3476
        expr_error(mon, "unexpected end of expression");
3477 3478 3479
        n = 0;
        break;
    default:
3480
        errno = 0;
B
bellard 已提交
3481
        n = strtoull(pch, &p, 0);
3482 3483 3484
        if (errno == ERANGE) {
            expr_error(mon, "number too large");
        }
3485
        if (pch == p) {
3486
            expr_error(mon, "invalid char '%c' in expression", *p);
3487 3488
        }
        pch = p;
3489
        while (qemu_isspace(*pch))
3490 3491 3492 3493 3494 3495 3496
            pch++;
        break;
    }
    return n;
}


A
aliguori 已提交
3497
static int64_t expr_prod(Monitor *mon)
3498
{
B
blueswir1 已提交
3499
    int64_t val, val2;
B
bellard 已提交
3500
    int op;
3501

A
aliguori 已提交
3502
    val = expr_unary(mon);
3503 3504 3505 3506 3507
    for(;;) {
        op = *pch;
        if (op != '*' && op != '/' && op != '%')
            break;
        next();
A
aliguori 已提交
3508
        val2 = expr_unary(mon);
3509 3510 3511 3512 3513 3514 3515
        switch(op) {
        default:
        case '*':
            val *= val2;
            break;
        case '/':
        case '%':
3516
            if (val2 == 0)
A
aliguori 已提交
3517
                expr_error(mon, "division by zero");
3518 3519 3520 3521 3522 3523 3524 3525 3526 3527
            if (op == '/')
                val /= val2;
            else
                val %= val2;
            break;
        }
    }
    return val;
}

A
aliguori 已提交
3528
static int64_t expr_logic(Monitor *mon)
3529
{
B
blueswir1 已提交
3530
    int64_t val, val2;
B
bellard 已提交
3531
    int op;
3532

A
aliguori 已提交
3533
    val = expr_prod(mon);
3534 3535 3536 3537 3538
    for(;;) {
        op = *pch;
        if (op != '&' && op != '|' && op != '^')
            break;
        next();
A
aliguori 已提交
3539
        val2 = expr_prod(mon);
3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555
        switch(op) {
        default:
        case '&':
            val &= val2;
            break;
        case '|':
            val |= val2;
            break;
        case '^':
            val ^= val2;
            break;
        }
    }
    return val;
}

A
aliguori 已提交
3556
static int64_t expr_sum(Monitor *mon)
3557
{
B
blueswir1 已提交
3558
    int64_t val, val2;
B
bellard 已提交
3559
    int op;
3560

A
aliguori 已提交
3561
    val = expr_logic(mon);
3562 3563 3564 3565 3566
    for(;;) {
        op = *pch;
        if (op != '+' && op != '-')
            break;
        next();
A
aliguori 已提交
3567
        val2 = expr_logic(mon);
3568 3569 3570 3571 3572 3573 3574 3575
        if (op == '+')
            val += val2;
        else
            val -= val2;
    }
    return val;
}

A
aliguori 已提交
3576
static int get_expr(Monitor *mon, int64_t *pval, const char **pp)
3577 3578
{
    pch = *pp;
3579
    if (sigsetjmp(expr_env, 0)) {
3580 3581 3582
        *pp = pch;
        return -1;
    }
3583
    while (qemu_isspace(*pch))
3584
        pch++;
A
aliguori 已提交
3585
    *pval = expr_sum(mon);
3586 3587 3588 3589
    *pp = pch;
    return 0;
}

3590 3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609 3610
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;
}

3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636
/*
 * 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;
}

3637 3638 3639 3640 3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655
/**
 * 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;

3656
    str = g_malloc(len + 1);
3657 3658 3659 3660 3661 3662 3663
    memcpy(str, type, len);
    str[len] = '\0';

    *key = str;
    return ++p;
}

3664 3665 3666
static int default_fmt_format = 'x';
static int default_fmt_size = 4;

3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678
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);
}

3679 3680
static const mon_cmd_t *search_dispatch_table(const mon_cmd_t *disp_table,
                                              const char *cmdname)
3681 3682 3683
{
    const mon_cmd_t *cmd;

3684
    for (cmd = disp_table; cmd->name != NULL; cmd++) {
3685 3686 3687 3688 3689 3690 3691 3692
        if (compare_cmd(cmdname, cmd->name)) {
            return cmd;
        }
    }

    return NULL;
}

L
Luiz Capitulino 已提交
3693 3694
static const mon_cmd_t *qmp_find_cmd(const char *cmdname)
{
3695
    return search_dispatch_table(qmp_cmds, cmdname);
L
Luiz Capitulino 已提交
3696 3697
}

3698 3699 3700 3701 3702
/*
 * 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
3703 3704 3705 3706
 * 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.
3707 3708 3709
 * 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
3710
static const mon_cmd_t *monitor_parse_command(Monitor *mon,
3711
                                              const char *cmdline,
3712 3713
                                              int start,
                                              mon_cmd_t *table,
3714
                                              QDict *qdict)
3715
{
3716
    const char *p, *typestr;
3717
    int c;
A
Anthony Liguori 已提交
3718
    const mon_cmd_t *cmd;
3719 3720
    char cmdname[256];
    char buf[1024];
3721
    char *key;
B
bellard 已提交
3722 3723

#ifdef DEBUG
3724
    monitor_printf(mon, "command='%s', start='%d'\n", cmdline, start);
B
bellard 已提交
3725
#endif
3726

3727
    /* extract the command name */
3728
    p = get_command_name(cmdline + start, cmdname, sizeof(cmdname));
3729
    if (!p)
3730
        return NULL;
3731

3732
    cmd = search_dispatch_table(table, cmdname);
3733
    if (!cmd) {
3734 3735
        monitor_printf(mon, "unknown command: '%.*s'\n",
                       (int)(p - cmdline), cmdline);
3736
        return NULL;
3737 3738
    }

3739 3740 3741 3742 3743 3744 3745 3746 3747 3748 3749 3750 3751 3752
    /* 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);
    }

3753 3754
    /* parse the parameters */
    typestr = cmd->args_type;
B
bellard 已提交
3755
    for(;;) {
3756 3757
        typestr = key_get_info(typestr, &key);
        if (!typestr)
B
bellard 已提交
3758
            break;
3759
        c = *typestr;
3760 3761 3762
        typestr++;
        switch(c) {
        case 'F':
B
bellard 已提交
3763
        case 'B':
3764 3765 3766
        case 's':
            {
                int ret;
3767

3768
                while (qemu_isspace(*p))
3769 3770 3771 3772 3773
                    p++;
                if (*typestr == '?') {
                    typestr++;
                    if (*p == '\0') {
                        /* no optional string: NULL argument */
3774
                        break;
3775 3776 3777 3778
                    }
                }
                ret = get_str(buf, sizeof(buf), &p);
                if (ret < 0) {
B
bellard 已提交
3779 3780
                    switch(c) {
                    case 'F':
A
aliguori 已提交
3781 3782
                        monitor_printf(mon, "%s: filename expected\n",
                                       cmdname);
B
bellard 已提交
3783 3784
                        break;
                    case 'B':
A
aliguori 已提交
3785 3786
                        monitor_printf(mon, "%s: block device name expected\n",
                                       cmdname);
B
bellard 已提交
3787 3788
                        break;
                    default:
A
aliguori 已提交
3789
                        monitor_printf(mon, "%s: string expected\n", cmdname);
B
bellard 已提交
3790 3791
                        break;
                    }
3792 3793
                    goto fail;
                }
3794
                qdict_put(qdict, key, qstring_from_str(buf));
3795
            }
B
bellard 已提交
3796
            break;
3797 3798 3799 3800 3801 3802 3803 3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821
        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;
3822 3823 3824
        case '/':
            {
                int count, format, size;
3825

3826
                while (qemu_isspace(*p))
3827 3828 3829 3830 3831
                    p++;
                if (*p == '/') {
                    /* format found */
                    p++;
                    count = 1;
3832
                    if (qemu_isdigit(*p)) {
3833
                        count = 0;
3834
                        while (qemu_isdigit(*p)) {
3835 3836 3837 3838 3839 3840 3841 3842 3843 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
                            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:
3873
                    if (*p != '\0' && !qemu_isspace(*p)) {
A
aliguori 已提交
3874 3875
                        monitor_printf(mon, "invalid char in format: '%c'\n",
                                       *p);
3876 3877 3878 3879
                        goto fail;
                    }
                    if (format < 0)
                        format = default_fmt_format;
3880 3881 3882 3883
                    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
3884
                        default_fmt_size = size;
3885
                    }
3886 3887 3888 3889
                    default_fmt_format = format;
                } else {
                    count = 1;
                    format = default_fmt_format;
3890 3891 3892 3893 3894
                    if (format != 'i') {
                        size = default_fmt_size;
                    } else {
                        size = -1;
                    }
3895
                }
3896 3897 3898
                qdict_put(qdict, "count", qint_from_int(count));
                qdict_put(qdict, "format", qint_from_int(format));
                qdict_put(qdict, "size", qint_from_int(size));
3899
            }
B
bellard 已提交
3900
            break;
3901
        case 'i':
B
bellard 已提交
3902
        case 'l':
3903
        case 'M':
3904
            {
B
blueswir1 已提交
3905
                int64_t val;
3906

3907
                while (qemu_isspace(*p))
3908
                    p++;
B
bellard 已提交
3909 3910
                if (*typestr == '?' || *typestr == '.') {
                    if (*typestr == '?') {
3911 3912 3913 3914
                        if (*p == '\0') {
                            typestr++;
                            break;
                        }
B
bellard 已提交
3915 3916 3917
                    } else {
                        if (*p == '.') {
                            p++;
3918
                            while (qemu_isspace(*p))
B
bellard 已提交
3919 3920
                                p++;
                        } else {
3921 3922
                            typestr++;
                            break;
B
bellard 已提交
3923 3924
                        }
                    }
B
bellard 已提交
3925
                    typestr++;
3926
                }
A
aliguori 已提交
3927
                if (get_expr(mon, &val, &p))
3928
                    goto fail;
3929 3930 3931 3932 3933
                /* 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;
3934
                } else if (c == 'M') {
3935 3936 3937 3938
                    if (val < 0) {
                        monitor_printf(mon, "enter a positive value\n");
                        goto fail;
                    }
3939
                    val <<= 20;
3940
                }
3941
                qdict_put(qdict, key, qint_from_int(val));
3942 3943
            }
            break;
3944 3945
        case 'o':
            {
3946
                int64_t val;
3947 3948 3949 3950 3951 3952 3953 3954 3955 3956 3957 3958 3959 3960 3961 3962 3963 3964 3965 3966
                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;
3967
        case 'T':
3968 3969 3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981
            {
                double val;

                while (qemu_isspace(*p))
                    p++;
                if (*typestr == '?') {
                    typestr++;
                    if (*p == '\0') {
                        break;
                    }
                }
                if (get_double(mon, &val, &p) < 0) {
                    goto fail;
                }
3982
                if (p[0] && p[1] == 's') {
3983 3984 3985 3986 3987 3988 3989 3990 3991
                    switch (*p) {
                    case 'm':
                        val /= 1e3; p += 2; break;
                    case 'u':
                        val /= 1e6; p += 2; break;
                    case 'n':
                        val /= 1e9; p += 2; break;
                    }
                }
3992 3993 3994 3995 3996 3997 3998
                if (*p && !qemu_isspace(*p)) {
                    monitor_printf(mon, "Unknown unit suffix\n");
                    goto fail;
                }
                qdict_put(qdict, key, qfloat_from_double(val));
            }
            break;
3999 4000 4001 4002 4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021
        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;
4022 4023
        case '-':
            {
4024
                const char *tmp = p;
4025
                int skip_key = 0;
4026
                /* option */
4027

4028 4029 4030
                c = *typestr++;
                if (c == '\0')
                    goto bad_type;
4031
                while (qemu_isspace(*p))
4032 4033 4034
                    p++;
                if (*p == '-') {
                    p++;
4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047
                    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 {
4048
                        /* has option */
4049
                        p++;
4050
                        qdict_put(qdict, key, qbool_from_int(1));
4051 4052 4053 4054
                    }
                }
            }
            break;
4055 4056 4057 4058 4059 4060 4061 4062 4063 4064 4065 4066 4067 4068 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079
        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;
4080 4081
        default:
        bad_type:
A
aliguori 已提交
4082
            monitor_printf(mon, "%s: unknown type '%c'\n", cmdname, c);
4083 4084
            goto fail;
        }
4085
        g_free(key);
4086
        key = NULL;
B
bellard 已提交
4087
    }
4088
    /* check that all arguments were parsed */
4089
    while (qemu_isspace(*p))
4090 4091
        p++;
    if (*p != '\0') {
A
aliguori 已提交
4092 4093
        monitor_printf(mon, "%s: extraneous characters at the end of line\n",
                       cmdname);
4094
        goto fail;
B
bellard 已提交
4095
    }
4096

4097
    return cmd;
G
Gerd Hoffmann 已提交
4098

4099
fail:
4100
    g_free(key);
4101 4102 4103
    return NULL;
}

4104 4105 4106 4107 4108 4109 4110 4111 4112 4113
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
4114 4115
static void handler_audit(Monitor *mon, const mon_cmd_t *cmd, int ret)
{
L
Luiz Capitulino 已提交
4116 4117 4118 4119 4120 4121 4122 4123
    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
4124 4125
}

4126
static void handle_user_command(Monitor *mon, const char *cmdline)
4127 4128
{
    QDict *qdict;
A
Anthony Liguori 已提交
4129
    const mon_cmd_t *cmd;
4130 4131 4132

    qdict = qdict_new();

4133
    cmd = monitor_parse_command(mon, cmdline, 0, mon->cmd_table, qdict);
4134 4135 4136
    if (!cmd)
        goto out;

4137
    if (handler_is_async(cmd)) {
4138
        user_async_cmd_handler(mon, cmd, qdict);
4139
    } else if (handler_is_qobject(cmd)) {
4140 4141 4142 4143 4144 4145 4146 4147 4148
        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);
        }
4149
    } else {
4150
        cmd->mhandler.cmd(mon, qdict);
4151 4152
    }

4153
out:
4154
    QDECREF(qdict);
B
bellard 已提交
4155 4156
}

4157
static void cmd_completion(Monitor *mon, const char *name, const char *list)
B
bellard 已提交
4158 4159 4160 4161 4162 4163 4164 4165 4166 4167 4168 4169 4170 4171 4172 4173 4174
{
    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))) {
4175
            readline_add_completion(mon->rs, cmd);
B
bellard 已提交
4176 4177 4178 4179 4180 4181 4182
        }
        if (*p == '\0')
            break;
        p++;
    }
}

4183
static void file_completion(Monitor *mon, const char *input)
B
bellard 已提交
4184 4185 4186 4187 4188 4189 4190 4191
{
    DIR *ffs;
    struct dirent *d;
    char path[1024];
    char file[1024], file_prefix[1024];
    int input_path_len;
    const char *p;

4192
    p = strrchr(input, '/');
B
bellard 已提交
4193 4194 4195
    if (!p) {
        input_path_len = 0;
        pstrcpy(file_prefix, sizeof(file_prefix), input);
B
blueswir1 已提交
4196
        pstrcpy(path, sizeof(path), ".");
B
bellard 已提交
4197 4198 4199 4200 4201 4202 4203 4204 4205
    } 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
4206
    monitor_printf(mon, "input='%s' path='%s' prefix='%s'\n",
A
aliguori 已提交
4207
                   input, path, file_prefix);
B
bellard 已提交
4208 4209 4210 4211 4212 4213 4214 4215 4216
#endif
    ffs = opendir(path);
    if (!ffs)
        return;
    for(;;) {
        struct stat sb;
        d = readdir(ffs);
        if (!d)
            break;
4217 4218 4219 4220 4221

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

B
bellard 已提交
4222 4223
        if (strstart(d->d_name, file_prefix, NULL)) {
            memcpy(file, input, input_path_len);
B
blueswir1 已提交
4224 4225 4226
            if (input_path_len < sizeof(file))
                pstrcpy(file + input_path_len, sizeof(file) - input_path_len,
                        d->d_name);
B
bellard 已提交
4227 4228 4229
            /* stat the file to find out if it's a directory.
             * In that case add a slash to speed up typing long paths
             */
4230
            if (stat(file, &sb) == 0 && S_ISDIR(sb.st_mode)) {
B
blueswir1 已提交
4231
                pstrcat(file, sizeof(file), "/");
4232
            }
4233
            readline_add_completion(mon->rs, file);
B
bellard 已提交
4234 4235 4236 4237 4238
        }
    }
    closedir(ffs);
}

4239 4240 4241 4242 4243
typedef struct MonitorBlockComplete {
    Monitor *mon;
    const char *input;
} MonitorBlockComplete;

4244
static void block_completion_it(void *opaque, BlockDriverState *bs)
B
bellard 已提交
4245
{
4246
    const char *name = bdrv_get_device_name(bs);
4247 4248 4249
    MonitorBlockComplete *mbc = opaque;
    Monitor *mon = mbc->mon;
    const char *input = mbc->input;
B
bellard 已提交
4250 4251 4252

    if (input[0] == '\0' ||
        !strncmp(name, (char *)input, strlen(input))) {
4253
        readline_add_completion(mon->rs, name);
B
bellard 已提交
4254 4255 4256
    }
}

4257 4258 4259 4260 4261 4262
static const char *next_arg_type(const char *typestr)
{
    const char *p = strchr(typestr, ':');
    return (p != NULL ? ++p : typestr);
}

4263 4264 4265 4266
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
4267 4268
{
    const char *cmdname;
4269
    int i;
B
bellard 已提交
4270
    const char *ptype, *str;
A
Anthony Liguori 已提交
4271
    const mon_cmd_t *cmd;
4272
    MonitorBlockComplete mbs;
B
bellard 已提交
4273 4274 4275 4276 4277 4278 4279

    if (nb_args <= 1) {
        /* command completion */
        if (nb_args == 0)
            cmdname = "";
        else
            cmdname = args[0];
4280
        readline_set_completion_index(mon->rs, strlen(cmdname));
4281
        for (cmd = cmd_table; cmd->name != NULL; cmd++) {
4282
            cmd_completion(mon, cmdname, cmd->name);
B
bellard 已提交
4283 4284 4285
        }
    } else {
        /* find the command */
4286
        for (cmd = cmd_table; cmd->name != NULL; cmd++) {
4287 4288 4289
            if (compare_cmd(args[0], cmd->name)) {
                break;
            }
B
bellard 已提交
4290
        }
4291
        if (!cmd->name) {
4292
            return;
4293 4294
        }

4295 4296 4297 4298 4299 4300
        if (cmd->sub_table) {
            /* do the job again */
            return monitor_find_completion_by_table(mon, cmd->sub_table,
                                                    &args[1], nb_args - 1);
        }

4301
        ptype = next_arg_type(cmd->args_type);
B
bellard 已提交
4302 4303
        for(i = 0; i < nb_args - 2; i++) {
            if (*ptype != '\0') {
4304
                ptype = next_arg_type(ptype);
B
bellard 已提交
4305
                while (*ptype == '?')
4306
                    ptype = next_arg_type(ptype);
B
bellard 已提交
4307 4308 4309
            }
        }
        str = args[nb_args - 1];
4310
        if (*ptype == '-' && ptype[1] != '\0') {
4311
            ptype = next_arg_type(ptype);
4312
        }
B
bellard 已提交
4313 4314 4315
        switch(*ptype) {
        case 'F':
            /* file completion */
4316
            readline_set_completion_index(mon->rs, strlen(str));
4317
            file_completion(mon, str);
B
bellard 已提交
4318 4319 4320
            break;
        case 'B':
            /* block device name completion */
4321 4322 4323 4324
            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
4325
            break;
B
bellard 已提交
4326
        case 's':
4327
        case 'S':
4328
            if (!strcmp(cmd->name, "sendkey")) {
B
blueswir1 已提交
4329 4330 4331
                char *sep = strrchr(str, '-');
                if (sep)
                    str = sep + 1;
4332
                readline_set_completion_index(mon->rs, strlen(str));
4333
                for (i = 0; i < Q_KEY_CODE_MAX; i++) {
4334
                    cmd_completion(mon, str, QKeyCode_lookup[i]);
4335
                }
4336
            } else if (!strcmp(cmd->name, "help|?")) {
4337 4338
                monitor_find_completion_by_table(mon, cmd_table,
                                                 &args[1], nb_args - 1);
B
bellard 已提交
4339 4340
            }
            break;
B
bellard 已提交
4341 4342 4343 4344
        default:
            break;
        }
    }
4345 4346 4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 4357 4358 4359 4360 4361 4362 4363 4364 4365 4366 4367 4368 4369 4370 4371 4372 4373 4374
}

static void monitor_find_completion(Monitor *mon,
                                    const char *cmdline)
{
    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);
4375 4376

cleanup:
W
Wenchao Xia 已提交
4377
    free_cmdline_args(args, nb_args);
B
bellard 已提交
4378 4379
}

4380
static int monitor_can_read(void *opaque)
B
bellard 已提交
4381
{
4382 4383
    Monitor *mon = opaque;

J
Jan Kiszka 已提交
4384
    return (mon->suspend_cnt == 0) ? 1 : 0;
B
bellard 已提交
4385 4386
}

4387
static int invalid_qmp_mode(const Monitor *mon, const char *cmd_name)
L
Luiz Capitulino 已提交
4388
{
4389 4390
    int is_cap = compare_cmd(cmd_name, "qmp_capabilities");
    return (qmp_cmd_mode(mon) ? is_cap : !is_cap);
L
Luiz Capitulino 已提交
4391 4392
}

4393 4394 4395 4396 4397 4398 4399 4400 4401 4402 4403 4404
/*
 * 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
4405
{
4406
    const QDictEntry *ent;
L
Luiz Capitulino 已提交
4407

4408 4409 4410 4411 4412 4413 4414 4415 4416 4417 4418 4419 4420 4421 4422 4423
    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
4424

4425 4426
        arg_type = qobject_to_qstring(obj);
        assert(arg_type != NULL);
L
Luiz Capitulino 已提交
4427

4428 4429
        /* check if argument's type is correct */
        switch (qstring_get_str(arg_type)[0]) {
L
Luiz Capitulino 已提交
4430 4431 4432
        case 'F':
        case 'B':
        case 's':
4433 4434 4435
            if (qobject_type(client_arg) != QTYPE_QSTRING) {
                qerror_report(QERR_INVALID_PARAMETER_TYPE, client_arg_name,
                              "string");
L
Luiz Capitulino 已提交
4436 4437
                return -1;
            }
4438
        break;
L
Luiz Capitulino 已提交
4439 4440
        case 'i':
        case 'l':
4441
        case 'M':
4442
        case 'o':
4443 4444 4445 4446
            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
4447 4448
            }
            break;
4449
        case 'T':
4450 4451 4452 4453 4454
            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; 
4455 4456
            }
            break;
4457
        case 'b':
L
Luiz Capitulino 已提交
4458
        case '-':
4459 4460 4461 4462
            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
4463 4464
            }
            break;
4465
        case 'O':
4466 4467
            assert(flags & QMP_ACCEPT_UNKNOWNS);
            break;
4468 4469 4470
        case 'q':
            /* Any QObject can be passed.  */
            break;
4471 4472 4473 4474 4475 4476
        case '/':
        case '.':
            /*
             * These types are not supported by QMP and thus are not
             * handled here. Fall through.
             */
L
Luiz Capitulino 已提交
4477 4478
        default:
            abort();
4479 4480 4481 4482 4483 4484
        }
    }

    return 0;
}

4485 4486 4487 4488 4489 4490 4491 4492 4493 4494 4495 4496 4497 4498 4499 4500 4501 4502 4503 4504 4505 4506 4507
/*
 * - 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
4508 4509 4510 4511 4512
    }

    return 0;
}

4513
static QDict *qdict_from_args_type(const char *args_type)
L
Luiz Capitulino 已提交
4514
{
4515 4516 4517 4518 4519 4520 4521 4522 4523 4524 4525 4526 4527 4528 4529 4530 4531 4532 4533 4534 4535 4536 4537 4538 4539 4540 4541 4542 4543 4544 4545 4546 4547 4548 4549 4550 4551 4552 4553 4554 4555
    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
4556 4557
}

4558 4559 4560 4561
/*
 * Client argument checking rules:
 *
 * 1. Client must provide all mandatory arguments
4562 4563 4564
 * 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
4565 4566
 */
static int qmp_check_client_args(const mon_cmd_t *cmd, QDict *client_args)
4567
{
4568 4569 4570 4571 4572 4573 4574 4575 4576 4577 4578
    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;
    }

4579
    err = check_client_args_type(client_args, cmd_args, flags);
4580 4581 4582 4583

out:
    QDECREF(cmd_args);
    return err;
4584 4585
}

L
Luiz Capitulino 已提交
4586
/*
4587
 * Input object checking rules
L
Luiz Capitulino 已提交
4588
 *
4589 4590 4591 4592 4593 4594
 * 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
4595
 */
4596
static QDict *qmp_check_input_obj(QObject *input_obj)
L
Luiz Capitulino 已提交
4597
{
4598 4599 4600
    const QDictEntry *ent;
    int has_exec_key = 0;
    QDict *input_dict;
L
Luiz Capitulino 已提交
4601

4602 4603 4604
    if (qobject_type(input_obj) != QTYPE_QDICT) {
        qerror_report(QERR_QMP_BAD_INPUT_OBJECT, "object");
        return NULL;
L
Luiz Capitulino 已提交
4605 4606
    }

4607
    input_dict = qobject_to_qdict(input_obj);
L
Luiz Capitulino 已提交
4608

4609 4610 4611
    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
4612

4613 4614 4615 4616 4617
        if (!strcmp(arg_name, "execute")) {
            if (qobject_type(arg_obj) != QTYPE_QSTRING) {
                qerror_report(QERR_QMP_BAD_INPUT_OBJECT_MEMBER, "execute",
                              "string");
                return NULL;
4618
            }
4619 4620 4621 4622 4623 4624
            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
4625
            }
4626 4627
        } else if (!strcmp(arg_name, "id")) {
            /* FIXME: check duplicated IDs for async commands */
L
Luiz Capitulino 已提交
4628
        } else {
4629 4630
            qerror_report(QERR_QMP_EXTRA_MEMBER, arg_name);
            return NULL;
L
Luiz Capitulino 已提交
4631 4632 4633
        }
    }

4634 4635 4636 4637
    if (!has_exec_key) {
        qerror_report(QERR_QMP_BAD_INPUT_OBJECT, "execute");
        return NULL;
    }
L
Luiz Capitulino 已提交
4638

4639
    return input_dict;
4640 4641
}

L
Luiz Capitulino 已提交
4642 4643 4644 4645 4646 4647 4648 4649 4650 4651 4652 4653
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
4654 4655 4656 4657 4658 4659
static void handle_qmp_command(JSONMessageParser *parser, QList *tokens)
{
    int err;
    QObject *obj;
    QDict *input, *args;
    const mon_cmd_t *cmd;
4660
    const char *cmd_name;
L
Luiz Capitulino 已提交
4661 4662
    Monitor *mon = cur_mon;

4663
    args = input = NULL;
L
Luiz Capitulino 已提交
4664 4665 4666 4667

    obj = json_parser_parse(tokens, NULL);
    if (!obj) {
        // FIXME: should be triggered in json_parser_parse()
4668
        qerror_report(QERR_JSON_PARSING);
L
Luiz Capitulino 已提交
4669 4670 4671
        goto err_out;
    }

4672 4673
    input = qmp_check_input_obj(obj);
    if (!input) {
L
Luiz Capitulino 已提交
4674 4675 4676 4677 4678 4679 4680
        qobject_decref(obj);
        goto err_out;
    }

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

4681
    cmd_name = qdict_get_str(input, "execute");
4682
    trace_handle_qmp_command(mon, cmd_name);
4683
    if (invalid_qmp_mode(mon, cmd_name)) {
4684
        qerror_report(QERR_COMMAND_NOT_FOUND, cmd_name);
4685
        goto err_out;
4686 4687
    }

4688
    cmd = qmp_find_cmd(cmd_name);
4689
    if (!cmd) {
4690
        qerror_report(QERR_COMMAND_NOT_FOUND, cmd_name);
4691
        goto err_out;
L
Luiz Capitulino 已提交
4692 4693 4694 4695 4696 4697 4698 4699 4700 4701
    }

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

4702
    err = qmp_check_client_args(cmd, args);
L
Luiz Capitulino 已提交
4703 4704 4705 4706
    if (err < 0) {
        goto err_out;
    }

4707
    if (handler_is_async(cmd)) {
4708 4709 4710 4711 4712
        err = qmp_async_cmd_handler(mon, cmd, args);
        if (err) {
            /* emit the error response */
            goto err_out;
        }
4713
    } else {
L
Luiz Capitulino 已提交
4714
        qmp_call_cmd(mon, cmd, args);
4715
    }
4716

L
Luiz Capitulino 已提交
4717 4718 4719 4720 4721
    goto out;

err_out:
    monitor_protocol_emitter(mon, NULL);
out:
4722
    QDECREF(input);
L
Luiz Capitulino 已提交
4723 4724 4725
    QDECREF(args);
}

L
Luiz Capitulino 已提交
4726 4727 4728 4729 4730 4731 4732 4733 4734
/**
 * 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
4735
    json_message_parser_feed(&cur_mon->mc->parser, (const char *) buf, size);
L
Luiz Capitulino 已提交
4736 4737 4738 4739

    cur_mon = old_mon;
}

4740
static void monitor_read(void *opaque, const uint8_t *buf, int size)
B
bellard 已提交
4741
{
4742
    Monitor *old_mon = cur_mon;
4743
    int i;
A
aliguori 已提交
4744

4745 4746
    cur_mon = opaque;

4747 4748 4749 4750 4751 4752 4753
    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
4754
            handle_user_command(cur_mon, (char *)buf);
4755
    }
B
bellard 已提交
4756

4757 4758
    cur_mon = old_mon;
}
4759

A
aliguori 已提交
4760
static void monitor_command_cb(Monitor *mon, const char *cmdline, void *opaque)
B
bellard 已提交
4761
{
4762
    monitor_suspend(mon);
4763
    handle_user_command(mon, cmdline);
4764
    monitor_resume(mon);
4765 4766
}

4767
int monitor_suspend(Monitor *mon)
4768
{
4769 4770
    if (!mon->rs)
        return -ENOTTY;
4771
    mon->suspend_cnt++;
4772
    return 0;
4773 4774
}

A
aliguori 已提交
4775
void monitor_resume(Monitor *mon)
4776
{
4777 4778
    if (!mon->rs)
        return;
4779 4780
    if (--mon->suspend_cnt == 0)
        readline_show_prompt(mon->rs);
B
bellard 已提交
4781 4782
}

4783 4784
static QObject *get_qmp_greeting(void)
{
L
Luiz Capitulino 已提交
4785
    QObject *ver = NULL;
4786

L
Luiz Capitulino 已提交
4787
    qmp_marshal_input_query_version(NULL, NULL, &ver);
4788 4789 4790
    return qobject_from_jsonf("{'QMP':{'version': %p,'capabilities': []}}",ver);
}

L
Luiz Capitulino 已提交
4791 4792 4793 4794 4795
/**
 * monitor_control_event(): Print QMP gretting
 */
static void monitor_control_event(void *opaque, int event)
{
4796 4797
    QObject *data;
    Monitor *mon = opaque;
L
Luiz Capitulino 已提交
4798

4799 4800
    switch (event) {
    case CHR_EVENT_OPENED:
4801
        mon->mc->command_mode = 0;
4802
        data = get_qmp_greeting();
L
Luiz Capitulino 已提交
4803 4804
        monitor_json_emitter(mon, data);
        qobject_decref(data);
4805
        mon_refcount++;
4806 4807 4808
        break;
    case CHR_EVENT_CLOSED:
        json_message_parser_destroy(&mon->mc->parser);
4809
        json_message_parser_init(&mon->mc->parser, handle_qmp_command);
4810 4811
        mon_refcount--;
        monitor_fdsets_cleanup();
4812
        break;
L
Luiz Capitulino 已提交
4813 4814 4815
    }
}

4816
static void monitor_event(void *opaque, int event)
4817
{
A
aliguori 已提交
4818 4819
    Monitor *mon = opaque;

4820 4821
    switch (event) {
    case CHR_EVENT_MUX_IN:
G
Gerd Hoffmann 已提交
4822 4823 4824 4825 4826 4827 4828 4829
        mon->mux_out = 0;
        if (mon->reset_seen) {
            readline_restart(mon->rs);
            monitor_resume(mon);
            monitor_flush(mon);
        } else {
            mon->suspend_cnt = 0;
        }
4830 4831 4832
        break;

    case CHR_EVENT_MUX_OUT:
G
Gerd Hoffmann 已提交
4833 4834 4835 4836 4837 4838 4839 4840 4841 4842
        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;
4843
        break;
4844

4845
    case CHR_EVENT_OPENED:
4846 4847
        monitor_printf(mon, "QEMU %s monitor - type 'help' for more "
                       "information\n", QEMU_VERSION);
G
Gerd Hoffmann 已提交
4848
        if (!mon->mux_out) {
4849
            readline_show_prompt(mon->rs);
G
Gerd Hoffmann 已提交
4850 4851
        }
        mon->reset_seen = 1;
4852 4853 4854 4855 4856 4857
        mon_refcount++;
        break;

    case CHR_EVENT_CLOSED:
        mon_refcount--;
        monitor_fdsets_cleanup();
4858 4859
        break;
    }
4860 4861
}

4862 4863 4864 4865 4866 4867 4868 4869 4870 4871 4872 4873 4874 4875 4876 4877 4878 4879 4880
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);
}

4881 4882 4883 4884 4885 4886 4887 4888 4889

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

4890
void monitor_init(CharDriverState *chr, int flags)
B
bellard 已提交
4891
{
4892
    static int is_first_init = 1;
4893
    Monitor *mon;
T
ths 已提交
4894 4895

    if (is_first_init) {
4896
        monitor_protocol_event_init();
4897
        sortcmdlist();
T
ths 已提交
4898 4899
        is_first_init = 0;
    }
4900

4901 4902
    mon = g_malloc(sizeof(*mon));
    monitor_data_init(mon);
T
ths 已提交
4903

4904
    mon->chr = chr;
4905
    mon->flags = flags;
4906 4907 4908 4909
    if (flags & MONITOR_USE_READLINE) {
        mon->rs = readline_init(mon, monitor_find_completion);
        monitor_read_command(mon, 0);
    }
4910

L
Luiz Capitulino 已提交
4911
    if (monitor_ctrl_mode(mon)) {
4912
        mon->mc = g_malloc0(sizeof(MonitorControl));
L
Luiz Capitulino 已提交
4913 4914 4915
        /* Control mode requires special handlers */
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_control_read,
                              monitor_control_event, mon);
4916
        qemu_chr_fe_set_echo(chr, true);
4917 4918

        json_message_parser_init(&mon->mc->parser, handle_qmp_command);
L
Luiz Capitulino 已提交
4919 4920 4921 4922
    } else {
        qemu_chr_add_handlers(chr, monitor_can_read, monitor_read,
                              monitor_event, mon);
    }
4923

B
Blue Swirl 已提交
4924
    QLIST_INSERT_HEAD(&mon_list, mon, entry);
4925 4926
    if (!default_mon || (flags & MONITOR_IS_DEFAULT))
        default_mon = mon;
B
bellard 已提交
4927 4928
}

A
aliguori 已提交
4929
static void bdrv_password_cb(Monitor *mon, const char *password, void *opaque)
B
bellard 已提交
4930
{
4931 4932
    BlockDriverState *bs = opaque;
    int ret = 0;
B
bellard 已提交
4933

4934
    if (bdrv_set_key(bs, password) != 0) {
A
aliguori 已提交
4935
        monitor_printf(mon, "invalid password\n");
4936
        ret = -EPERM;
B
bellard 已提交
4937
    }
4938 4939
    if (mon->password_completion_cb)
        mon->password_completion_cb(mon->password_opaque, ret);
4940

4941
    monitor_read_command(mon, 1);
B
bellard 已提交
4942
}
4943

A
Anthony Liguori 已提交
4944 4945 4946 4947 4948
ReadLineState *monitor_get_rs(Monitor *mon)
{
    return mon->rs;
}

4949 4950 4951
int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
                                BlockDriverCompletionFunc *completion_cb,
                                void *opaque)
4952
{
4953 4954
    int err;

4955 4956 4957
    if (!bdrv_key_required(bs)) {
        if (completion_cb)
            completion_cb(opaque, 0);
4958
        return 0;
4959
    }
4960

4961
    if (monitor_ctrl_mode(mon)) {
4962 4963
        qerror_report(QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs),
                      bdrv_get_encrypted_filename(bs));
4964
        return -1;
4965 4966
    }

A
aliguori 已提交
4967 4968
    monitor_printf(mon, "%s (%s) is encrypted.\n", bdrv_get_device_name(bs),
                   bdrv_get_encrypted_filename(bs));
4969

4970 4971
    mon->password_completion_cb = completion_cb;
    mon->password_opaque = opaque;
4972

4973 4974 4975 4976
    err = monitor_read_password(mon, bdrv_password_cb, bs);

    if (err && completion_cb)
        completion_cb(opaque, err);
4977 4978

    return err;
4979
}
L
Luiz Capitulino 已提交
4980 4981 4982 4983 4984 4985 4986 4987 4988 4989 4990 4991 4992 4993 4994

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);
}
4995 4996 4997 4998 4999 5000 5001 5002 5003 5004 5005 5006 5007 5008 5009 5010 5011 5012 5013 5014 5015 5016

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 */ }
    },
};