monitor.c 64.2 KB
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/*
 * QEMU monitor
 * 
 * Copyright (c) 2003-2004 Fabrice Bellard
 * 
 * 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.
 */
#include "vl.h"
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#include "disas.h"
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#include <dirent.h>
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//#define DEBUG
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//#define DEBUG_COMPLETION
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#ifndef offsetof
#define offsetof(type, field) ((size_t) &((type *)0)->field)
#endif

/*
 * Supported types:
 * 
 * 'F'          filename
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 * 'B'          block device name
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 * 's'          string (accept optional quote)
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 * 'i'          32 bit integer
 * 'l'          target long (32 or 64 bit)
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 * '/'          optional gdb-like print format (like "/10x")
 *
 * '?'          optional type (for 'F', 's' and 'i')
 *
 */

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typedef struct term_cmd_t {
    const char *name;
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    const char *args_type;
    void (*handler)();
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    const char *params;
    const char *help;
} term_cmd_t;

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static CharDriverState *monitor_hd;

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static term_cmd_t term_cmds[];
static term_cmd_t info_cmds[];

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static char term_outbuf[1024];
static int term_outbuf_index;
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static void monitor_start_input(void);

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CPUState *mon_cpu = NULL;

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void term_flush(void)
{
    if (term_outbuf_index > 0) {
        qemu_chr_write(monitor_hd, term_outbuf, term_outbuf_index);
        term_outbuf_index = 0;
    }
}

/* flush at every end of line or if the buffer is full */
void term_puts(const char *str)
{
    int c;
    for(;;) {
        c = *str++;
        if (c == '\0')
            break;
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        if (c == '\n')
            term_outbuf[term_outbuf_index++] = '\r';
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        term_outbuf[term_outbuf_index++] = c;
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        if (term_outbuf_index >= (sizeof(term_outbuf) - 1) ||
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            c == '\n')
            term_flush();
    }
}

void term_vprintf(const char *fmt, va_list ap)
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{
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    char buf[4096];
    vsnprintf(buf, sizeof(buf), fmt, ap);
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    term_puts(buf);
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}

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void term_printf(const char *fmt, ...)
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{
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    va_list ap;
    va_start(ap, fmt);
    term_vprintf(fmt, ap);
    va_end(ap);
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}

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void term_print_filename(const char *filename)
{
    int i;

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

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static int monitor_fprintf(FILE *stream, const char *fmt, ...)
{
    va_list ap;
    va_start(ap, fmt);
    term_vprintf(fmt, ap);
    va_end(ap);
    return 0;
}

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static int compare_cmd(const char *name, const char *list)
{
    const char *p, *pstart;
    int len;
    len = strlen(name);
    p = list;
    for(;;) {
        pstart = p;
        p = strchr(p, '|');
        if (!p)
            p = pstart + strlen(pstart);
        if ((p - pstart) == len && !memcmp(pstart, name, len))
            return 1;
        if (*p == '\0')
            break;
        p++;
    }
    return 0;
}

static void help_cmd1(term_cmd_t *cmds, const char *prefix, const char *name)
{
    term_cmd_t *cmd;

    for(cmd = cmds; cmd->name != NULL; cmd++) {
        if (!name || !strcmp(name, cmd->name))
            term_printf("%s%s %s -- %s\n", prefix, cmd->name, cmd->params, cmd->help);
    }
}

static void help_cmd(const char *name)
{
    if (name && !strcmp(name, "info")) {
        help_cmd1(info_cmds, "info ", NULL);
    } else {
        help_cmd1(term_cmds, "", name);
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        if (name && !strcmp(name, "log")) {
            CPULogItem *item;
            term_printf("Log items (comma separated):\n");
            term_printf("%-10s %s\n", "none", "remove all logs");
            for(item = cpu_log_items; item->mask != 0; item++) {
                term_printf("%-10s %s\n", item->name, item->help);
            }
        }
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    }
}

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static void do_help(const char *name)
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{
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    help_cmd(name);
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}

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static void do_commit(const char *device)
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{
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    int i, all_devices;
    
    all_devices = !strcmp(device, "all");
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    for (i = 0; i < MAX_DISKS; i++) {
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        if (bs_table[i]) {
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            if (all_devices || 
                !strcmp(bdrv_get_device_name(bs_table[i]), device))
                bdrv_commit(bs_table[i]);
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        }
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    }
}

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static void do_info(const char *item)
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{
    term_cmd_t *cmd;

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    if (!item)
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        goto help;
    for(cmd = info_cmds; cmd->name != NULL; cmd++) {
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        if (compare_cmd(item, cmd->name)) 
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            goto found;
    }
 help:
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    help_cmd("info");
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    return;
 found:
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    cmd->handler();
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}

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static void do_info_version(void)
{
  term_printf("%s\n", QEMU_VERSION);
}

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static void do_info_block(void)
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{
    bdrv_info();
}

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/* get the current CPU defined by the user */
int mon_set_cpu(int cpu_index)
{
    CPUState *env;

    for(env = first_cpu; env != NULL; env = env->next_cpu) {
        if (env->cpu_index == cpu_index) {
            mon_cpu = env;
            return 0;
        }
    }
    return -1;
}

CPUState *mon_get_cpu(void)
{
    if (!mon_cpu) {
        mon_set_cpu(0);
    }
    return mon_cpu;
}

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static void do_info_registers(void)
{
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    CPUState *env;
    env = mon_get_cpu();
    if (!env)
        return;
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#ifdef TARGET_I386
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    cpu_dump_state(env, NULL, monitor_fprintf,
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                   X86_DUMP_FPU);
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#else
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    cpu_dump_state(env, NULL, monitor_fprintf, 
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                   0);
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#endif
}

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static void do_info_cpus(void)
{
    CPUState *env;

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

    for(env = first_cpu; env != NULL; env = env->next_cpu) {
        term_printf("%c CPU #%d:", 
                    (env == mon_cpu) ? '*' : ' ',
                    env->cpu_index);
#if defined(TARGET_I386)
        term_printf(" pc=0x" TARGET_FMT_lx, env->eip + env->segs[R_CS].base);
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        if (env->hflags & HF_HALTED_MASK)
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            term_printf(" (halted)");
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#elif defined(TARGET_PPC)
        term_printf(" nip=0x" TARGET_FMT_lx, env->nip);
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        if (env->halted)
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            term_printf(" (halted)");
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#elif defined(TARGET_SPARC)
        term_printf(" pc=0x" TARGET_FMT_lx " npc=0x" TARGET_FMT_lx, env->pc, env->npc);
        if (env->halted)
            term_printf(" (halted)");
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#endif
        term_printf("\n");
    }
}

static void do_cpu_set(int index)
{
    if (mon_set_cpu(index) < 0)
        term_printf("Invalid CPU index\n");
}

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static void do_info_jit(void)
{
    dump_exec_info(NULL, monitor_fprintf);
}

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static void do_info_history (void)
{
    int i;
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    const char *str;
    
    i = 0;
    for(;;) {
        str = readline_get_history(i);
        if (!str)
            break;
	term_printf("%d: '%s'\n", i, str);
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        i++;
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    }
}

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static void do_quit(void)
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{
    exit(0);
}

static int eject_device(BlockDriverState *bs, int force)
{
    if (bdrv_is_inserted(bs)) {
        if (!force) {
            if (!bdrv_is_removable(bs)) {
                term_printf("device is not removable\n");
                return -1;
            }
            if (bdrv_is_locked(bs)) {
                term_printf("device is locked\n");
                return -1;
            }
        }
        bdrv_close(bs);
    }
    return 0;
}

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static void do_eject(int force, const char *filename)
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{
    BlockDriverState *bs;

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    bs = bdrv_find(filename);
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    if (!bs) {
        term_printf("device not found\n");
        return;
    }
    eject_device(bs, force);
}

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static void do_change(const char *device, const char *filename)
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{
    BlockDriverState *bs;
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    int i;
    char password[256];
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    bs = bdrv_find(device);
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    if (!bs) {
        term_printf("device not found\n");
        return;
    }
    if (eject_device(bs, 0) < 0)
        return;
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    bdrv_open(bs, filename, 0);
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    if (bdrv_is_encrypted(bs)) {
        term_printf("%s is encrypted.\n", device);
        for(i = 0; i < 3; i++) {
            monitor_readline("Password: ", 1, password, sizeof(password));
            if (bdrv_set_key(bs, password) == 0)
                break;
            term_printf("invalid password\n");
        }
    }
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}

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static void do_screen_dump(const char *filename)
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{
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    vga_hw_screen_dump(filename);
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}

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static void do_log(const char *items)
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{
    int mask;
    
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    if (!strcmp(items, "none")) {
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        mask = 0;
    } else {
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        mask = cpu_str_to_log_mask(items);
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        if (!mask) {
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            help_cmd("log");
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            return;
        }
    }
    cpu_set_log(mask);
}

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static void do_stop(void)
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{
    vm_stop(EXCP_INTERRUPT);
}

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static void do_cont(void)
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{
    vm_start();
}

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#ifdef CONFIG_GDBSTUB
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static void do_gdbserver(int has_port, int port)
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{
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    if (!has_port)
        port = DEFAULT_GDBSTUB_PORT;
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    if (gdbserver_start(port) < 0) {
        qemu_printf("Could not open gdbserver socket on port %d\n", port);
    } else {
        qemu_printf("Waiting gdb connection on port %d\n", port);
    }
}
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#endif
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static void term_printc(int c)
{
    term_printf("'");
    switch(c) {
    case '\'':
        term_printf("\\'");
        break;
    case '\\':
        term_printf("\\\\");
        break;
    case '\n':
        term_printf("\\n");
        break;
    case '\r':
        term_printf("\\r");
        break;
    default:
        if (c >= 32 && c <= 126) {
            term_printf("%c", c);
        } else {
            term_printf("\\x%02x", c);
        }
        break;
    }
    term_printf("'");
}

static void memory_dump(int count, int format, int wsize, 
                        target_ulong addr, int is_physical)
{
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    CPUState *env;
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    int nb_per_line, l, line_size, i, max_digits, len;
    uint8_t buf[16];
    uint64_t v;

    if (format == 'i') {
        int flags;
        flags = 0;
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        env = mon_get_cpu();
        if (!env && !is_physical)
            return;
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#ifdef TARGET_I386
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        if (wsize == 2) {
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            flags = 1;
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        } else if (wsize == 4) {
            flags = 0;
        } else {
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            /* as default we use the current CS size */
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            flags = 0;
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            if (env) {
#ifdef TARGET_X86_64
                if ((env->efer & MSR_EFER_LMA) && 
                    (env->segs[R_CS].flags & DESC_L_MASK))
                    flags = 2;
                else
#endif
                if (!(env->segs[R_CS].flags & DESC_B_MASK))
                    flags = 1;
            }
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        }
#endif
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        monitor_disas(env, addr, count, is_physical, flags);
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        return;
    }

    len = wsize * count;
    if (wsize == 1)
        line_size = 8;
    else
        line_size = 16;
    nb_per_line = line_size / wsize;
    max_digits = 0;

    switch(format) {
    case 'o':
        max_digits = (wsize * 8 + 2) / 3;
        break;
    default:
    case 'x':
        max_digits = (wsize * 8) / 4;
        break;
    case 'u':
    case 'd':
        max_digits = (wsize * 8 * 10 + 32) / 33;
        break;
    case 'c':
        wsize = 1;
        break;
    }

    while (len > 0) {
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        term_printf(TARGET_FMT_lx ":", addr);
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        l = len;
        if (l > line_size)
            l = line_size;
        if (is_physical) {
            cpu_physical_memory_rw(addr, buf, l, 0);
        } else {
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            env = mon_get_cpu();
            if (!env)
                break;
            cpu_memory_rw_debug(env, addr, buf, l, 0);
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        }
        i = 0; 
        while (i < l) {
            switch(wsize) {
            default:
            case 1:
                v = ldub_raw(buf + i);
                break;
            case 2:
                v = lduw_raw(buf + i);
                break;
            case 4:
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                v = (uint32_t)ldl_raw(buf + i);
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                break;
            case 8:
                v = ldq_raw(buf + i);
                break;
            }
            term_printf(" ");
            switch(format) {
            case 'o':
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                term_printf("%#*" PRIo64, max_digits, v);
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                break;
            case 'x':
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                term_printf("0x%0*" PRIx64, max_digits, v);
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                break;
            case 'u':
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                term_printf("%*" PRIu64, max_digits, v);
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                break;
            case 'd':
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                term_printf("%*" PRId64, max_digits, v);
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                break;
            case 'c':
                term_printc(v);
                break;
            }
            i += wsize;
        }
        term_printf("\n");
        addr += l;
        len -= l;
    }
}

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#if TARGET_LONG_BITS == 64
#define GET_TLONG(h, l) (((uint64_t)(h) << 32) | (l))
#else
#define GET_TLONG(h, l) (l)
#endif

static void do_memory_dump(int count, int format, int size, 
                           uint32_t addrh, uint32_t addrl)
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{
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    target_long addr = GET_TLONG(addrh, addrl);
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    memory_dump(count, format, size, addr, 0);
}

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static void do_physical_memory_dump(int count, int format, int size,
                                    uint32_t addrh, uint32_t addrl)

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{
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    target_long addr = GET_TLONG(addrh, addrl);
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    memory_dump(count, format, size, addr, 1);
}

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static void do_print(int count, int format, int size, unsigned int valh, unsigned int vall)
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{
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    target_long val = GET_TLONG(valh, vall);
#if TARGET_LONG_BITS == 32
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    switch(format) {
    case 'o':
        term_printf("%#o", val);
        break;
    case 'x':
        term_printf("%#x", val);
        break;
    case 'u':
        term_printf("%u", val);
        break;
    default:
    case 'd':
        term_printf("%d", val);
        break;
    case 'c':
        term_printc(val);
        break;
    }
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#else
    switch(format) {
    case 'o':
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        term_printf("%#" PRIo64, val);
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        break;
    case 'x':
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        term_printf("%#" PRIx64, val);
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        break;
    case 'u':
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        term_printf("%" PRIu64, val);
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        break;
    default:
    case 'd':
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        term_printf("%" PRId64, val);
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        break;
    case 'c':
        term_printc(val);
        break;
    }
#endif
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    term_printf("\n");
}

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static void do_memory_save(unsigned int valh, unsigned int vall, 
                           uint32_t size, const char *filename)
{
    FILE *f;
    target_long addr = GET_TLONG(valh, vall);
    uint32_t l;
    CPUState *env;
    uint8_t buf[1024];

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

    f = fopen(filename, "wb");
    if (!f) {
        term_printf("could not open '%s'\n", filename);
        return;
    }
    while (size != 0) {
        l = sizeof(buf);
        if (l > size)
            l = size;
        cpu_memory_rw_debug(env, addr, buf, l, 0);
        fwrite(buf, 1, l, f);
        addr += l;
        size -= l;
    }
    fclose(f);
}

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static void do_sum(uint32_t start, uint32_t size)
{
    uint32_t addr;
    uint8_t buf[1];
    uint16_t sum;

    sum = 0;
    for(addr = start; addr < (start + size); addr++) {
        cpu_physical_memory_rw(addr, buf, 1, 0);
        /* BSD sum algorithm ('sum' Unix command) */
        sum = (sum >> 1) | (sum << 15);
        sum += buf[0];
    }
    term_printf("%05d\n", sum);
}

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typedef struct {
    int keycode;
    const char *name;
} KeyDef;

static const KeyDef key_defs[] = {
    { 0x2a, "shift" },
    { 0x36, "shift_r" },
    
    { 0x38, "alt" },
    { 0xb8, "alt_r" },
    { 0x1d, "ctrl" },
    { 0x9d, "ctrl_r" },

    { 0xdd, "menu" },

    { 0x01, "esc" },

    { 0x02, "1" },
    { 0x03, "2" },
    { 0x04, "3" },
    { 0x05, "4" },
    { 0x06, "5" },
    { 0x07, "6" },
    { 0x08, "7" },
    { 0x09, "8" },
    { 0x0a, "9" },
    { 0x0b, "0" },
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    { 0x0c, "minus" },
    { 0x0d, "equal" },
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    { 0x0e, "backspace" },

    { 0x0f, "tab" },
    { 0x10, "q" },
    { 0x11, "w" },
    { 0x12, "e" },
    { 0x13, "r" },
    { 0x14, "t" },
    { 0x15, "y" },
    { 0x16, "u" },
    { 0x17, "i" },
    { 0x18, "o" },
    { 0x19, "p" },

    { 0x1c, "ret" },

    { 0x1e, "a" },
    { 0x1f, "s" },
    { 0x20, "d" },
    { 0x21, "f" },
    { 0x22, "g" },
    { 0x23, "h" },
    { 0x24, "j" },
    { 0x25, "k" },
    { 0x26, "l" },

    { 0x2c, "z" },
    { 0x2d, "x" },
    { 0x2e, "c" },
    { 0x2f, "v" },
    { 0x30, "b" },
    { 0x31, "n" },
    { 0x32, "m" },
    
    { 0x39, "spc" },
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    { 0x3a, "caps_lock" },
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    { 0x3b, "f1" },
    { 0x3c, "f2" },
    { 0x3d, "f3" },
    { 0x3e, "f4" },
    { 0x3f, "f5" },
    { 0x40, "f6" },
    { 0x41, "f7" },
    { 0x42, "f8" },
    { 0x43, "f9" },
    { 0x44, "f10" },
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    { 0x45, "num_lock" },
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    { 0x46, "scroll_lock" },

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    { 0xb5, "kp_divide" },
    { 0x37, "kp_multiply" },
    { 0x4a, "kp_substract" },
    { 0x4e, "kp_add" },
    { 0x9c, "kp_enter" },
    { 0x53, "kp_decimal" },

    { 0x52, "kp_0" },
    { 0x4f, "kp_1" },
    { 0x50, "kp_2" },
    { 0x51, "kp_3" },
    { 0x4b, "kp_4" },
    { 0x4c, "kp_5" },
    { 0x4d, "kp_6" },
    { 0x47, "kp_7" },
    { 0x48, "kp_8" },
    { 0x49, "kp_9" },
    
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    { 0x56, "<" },

    { 0x57, "f11" },
    { 0x58, "f12" },

    { 0xb7, "print" },

    { 0xc7, "home" },
    { 0xc9, "pgup" },
    { 0xd1, "pgdn" },
    { 0xcf, "end" },

    { 0xcb, "left" },
    { 0xc8, "up" },
    { 0xd0, "down" },
    { 0xcd, "right" },

    { 0xd2, "insert" },
    { 0xd3, "delete" },
    { 0, NULL },
};

static int get_keycode(const char *key)
{
    const KeyDef *p;
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    char *endp;
    int ret;
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    for(p = key_defs; p->name != NULL; p++) {
        if (!strcmp(key, p->name))
            return p->keycode;
    }
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    if (strstart(key, "0x", NULL)) {
        ret = strtoul(key, &endp, 0);
        if (*endp == '\0' && ret >= 0x01 && ret <= 0xff)
            return ret;
    }
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    return -1;
}

static void do_send_key(const char *string)
{
    char keybuf[16], *q;
    uint8_t keycodes[16];
    const char *p;
    int nb_keycodes, keycode, i;
    
    nb_keycodes = 0;
    p = string;
    while (*p != '\0') {
        q = keybuf;
        while (*p != '\0' && *p != '-') {
            if ((q - keybuf) < sizeof(keybuf) - 1) {
                *q++ = *p;
            }
            p++;
        }
        *q = '\0';
        keycode = get_keycode(keybuf);
        if (keycode < 0) {
            term_printf("unknown key: '%s'\n", keybuf);
            return;
        }
        keycodes[nb_keycodes++] = keycode;
        if (*p == '\0')
            break;
        p++;
    }
    /* key down events */
    for(i = 0; i < nb_keycodes; i++) {
        keycode = keycodes[i];
        if (keycode & 0x80)
            kbd_put_keycode(0xe0);
        kbd_put_keycode(keycode & 0x7f);
    }
    /* key up events */
    for(i = nb_keycodes - 1; i >= 0; i--) {
        keycode = keycodes[i];
        if (keycode & 0x80)
            kbd_put_keycode(0xe0);
        kbd_put_keycode(keycode | 0x80);
    }
}

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static int mouse_button_state;

static void do_mouse_move(const char *dx_str, const char *dy_str, 
                          const char *dz_str)
{
    int dx, dy, dz;
    dx = strtol(dx_str, NULL, 0);
    dy = strtol(dy_str, NULL, 0);
    dz = 0;
    if (dz_str) 
        dz = strtol(dz_str, NULL, 0);
    kbd_mouse_event(dx, dy, dz, mouse_button_state);
}

static void do_mouse_button(int button_state)
{
    mouse_button_state = button_state;
    kbd_mouse_event(0, 0, 0, mouse_button_state);
}

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static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
{
    uint32_t val;
    int suffix;

    if (has_index) {
        cpu_outb(NULL, addr & 0xffff, index & 0xff);
        addr++;
    }
    addr &= 0xffff;

    switch(size) {
    default:
    case 1:
        val = cpu_inb(NULL, addr);
        suffix = 'b';
        break;
    case 2:
        val = cpu_inw(NULL, addr);
        suffix = 'w';
        break;
    case 4:
        val = cpu_inl(NULL, addr);
        suffix = 'l';
        break;
    }
    term_printf("port%c[0x%04x] = %#0*x\n",
                suffix, addr, size * 2, val);
}
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static void do_system_reset(void)
{
    qemu_system_reset_request();
}

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static void do_system_powerdown(void)
{
    qemu_system_powerdown_request();
}

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#if defined(TARGET_I386)
static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask)
{
    term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n", 
                addr,
                pte & mask,
                pte & PG_GLOBAL_MASK ? 'G' : '-',
                pte & PG_PSE_MASK ? 'P' : '-',
                pte & PG_DIRTY_MASK ? 'D' : '-',
                pte & PG_ACCESSED_MASK ? 'A' : '-',
                pte & PG_PCD_MASK ? 'C' : '-',
                pte & PG_PWT_MASK ? 'T' : '-',
                pte & PG_USER_MASK ? 'U' : '-',
                pte & PG_RW_MASK ? 'W' : '-');
}

static void tlb_info(void)
{
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    CPUState *env;
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    int l1, l2;
    uint32_t pgd, pde, pte;

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

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    if (!(env->cr[0] & CR0_PG_MASK)) {
        term_printf("PG disabled\n");
        return;
    }
    pgd = env->cr[3] & ~0xfff;
    for(l1 = 0; l1 < 1024; l1++) {
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
        pde = le32_to_cpu(pde);
        if (pde & PG_PRESENT_MASK) {
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
                print_pte((l1 << 22), pde, ~((1 << 20) - 1));
            } else {
                for(l2 = 0; l2 < 1024; l2++) {
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, 
                                             (uint8_t *)&pte, 4);
                    pte = le32_to_cpu(pte);
                    if (pte & PG_PRESENT_MASK) {
                        print_pte((l1 << 22) + (l2 << 12), 
                                  pte & ~PG_PSE_MASK, 
                                  ~0xfff);
                    }
                }
            }
        }
    }
}

static void mem_print(uint32_t *pstart, int *plast_prot, 
                      uint32_t end, int prot)
{
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    int prot1;
    prot1 = *plast_prot;
    if (prot != prot1) {
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        if (*pstart != -1) {
            term_printf("%08x-%08x %08x %c%c%c\n",
                        *pstart, end, end - *pstart, 
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                        prot1 & PG_USER_MASK ? 'u' : '-',
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                        'r',
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                        prot1 & PG_RW_MASK ? 'w' : '-');
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        }
        if (prot != 0)
            *pstart = end;
        else
            *pstart = -1;
        *plast_prot = prot;
    }
}

static void mem_info(void)
{
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    CPUState *env;
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    int l1, l2, prot, last_prot;
    uint32_t pgd, pde, pte, start, end;

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

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    if (!(env->cr[0] & CR0_PG_MASK)) {
        term_printf("PG disabled\n");
        return;
    }
    pgd = env->cr[3] & ~0xfff;
    last_prot = 0;
    start = -1;
    for(l1 = 0; l1 < 1024; l1++) {
        cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4);
        pde = le32_to_cpu(pde);
        end = l1 << 22;
        if (pde & PG_PRESENT_MASK) {
            if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) {
                prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
                mem_print(&start, &last_prot, end, prot);
            } else {
                for(l2 = 0; l2 < 1024; l2++) {
                    cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, 
                                             (uint8_t *)&pte, 4);
                    pte = le32_to_cpu(pte);
                    end = (l1 << 22) + (l2 << 12);
                    if (pte & PG_PRESENT_MASK) {
                        prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK);
                    } else {
                        prot = 0;
                    }
                    mem_print(&start, &last_prot, end, prot);
                }
            }
        } else {
            prot = 0;
            mem_print(&start, &last_prot, end, prot);
        }
    }
}
#endif

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static void do_info_kqemu(void)
{
#ifdef USE_KQEMU
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    CPUState *env;
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    int val;
    val = 0;
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    env = mon_get_cpu();
    if (!env) {
        term_printf("No cpu initialized yet");
        return;
    }
    val = env->kqemu_enabled;
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    term_printf("kqemu support: ");
    switch(val) {
    default:
    case 0:
        term_printf("disabled\n");
        break;
    case 1:
        term_printf("enabled for user code\n");
        break;
    case 2:
        term_printf("enabled for user and kernel code\n");
        break;
    }
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#else
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    term_printf("kqemu support: not compiled\n");
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#endif
} 

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#ifdef CONFIG_PROFILER

int64_t kqemu_time;
int64_t qemu_time;
int64_t kqemu_exec_count;
int64_t dev_time;
int64_t kqemu_ret_int_count;
int64_t kqemu_ret_excp_count;
int64_t kqemu_ret_intr_count;

static void do_info_profile(void)
{
    int64_t total;
    total = qemu_time;
    if (total == 0)
        total = 1;
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    term_printf("async time  %" PRId64 " (%0.3f)\n",
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                dev_time, dev_time / (double)ticks_per_sec);
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    term_printf("qemu time   %" PRId64 " (%0.3f)\n",
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                qemu_time, qemu_time / (double)ticks_per_sec);
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    term_printf("kqemu time  %" PRId64 " (%0.3f %0.1f%%) count=%" PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%" PRId64 "\n",
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                kqemu_time, kqemu_time / (double)ticks_per_sec,
                kqemu_time / (double)total * 100.0,
                kqemu_exec_count,
                kqemu_ret_int_count,
                kqemu_ret_excp_count,
                kqemu_ret_intr_count);
    qemu_time = 0;
    kqemu_time = 0;
    kqemu_exec_count = 0;
    dev_time = 0;
    kqemu_ret_int_count = 0;
    kqemu_ret_excp_count = 0;
    kqemu_ret_intr_count = 0;
#ifdef USE_KQEMU
    kqemu_record_dump();
#endif
}
#else
static void do_info_profile(void)
{
    term_printf("Internal profiler not compiled\n");
}
#endif

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/* Capture support */
static LIST_HEAD (capture_list_head, CaptureState) capture_head;

static void do_info_capture (void)
{
    int i;
    CaptureState *s;

    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
        term_printf ("[%d]: ", i);
        s->ops.info (s->opaque);
    }
}

static void do_stop_capture (int n)
{
    int i;
    CaptureState *s;

    for (s = capture_head.lh_first, i = 0; s; s = s->entries.le_next, ++i) {
        if (i == n) {
            s->ops.destroy (s->opaque);
            LIST_REMOVE (s, entries);
            qemu_free (s);
            return;
        }
    }
}

#ifdef HAS_AUDIO
int wav_start_capture (CaptureState *s, const char *path, int freq,
                       int bits, int nchannels);

static void do_wav_capture (const char *path,
                            int has_freq, int freq,
                            int has_bits, int bits,
                            int has_channels, int nchannels)
{
    CaptureState *s;

    s = qemu_mallocz (sizeof (*s));
    if (!s) {
        term_printf ("Not enough memory to add wave capture\n");
        return;
    }

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

    if (wav_start_capture (s, path, freq, bits, nchannels)) {
        term_printf ("Faied to add wave capture\n");
        qemu_free (s);
    }
    LIST_INSERT_HEAD (&capture_head, s, entries);
}
#endif

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static term_cmd_t term_cmds[] = {
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    { "help|?", "s?", do_help, 
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      "[cmd]", "show the help" },
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    { "commit", "s", do_commit, 
      "device|all", "commit changes to the disk images (if -snapshot is used) or backing files" },
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    { "info", "s?", do_info,
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      "subcommand", "show various information about the system state" },
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    { "q|quit", "", do_quit,
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      "", "quit the emulator" },
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    { "eject", "-fB", do_eject,
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      "[-f] device", "eject a removable media (use -f to force it)" },
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    { "change", "BF", do_change,
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      "device filename", "change a removable media" },
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    { "screendump", "F", do_screen_dump, 
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      "filename", "save screen into PPM image 'filename'" },
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    { "log", "s", do_log,
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      "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" }, 
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    { "savevm", "s?", do_savevm,
      "tag|id", "save a VM snapshot. If no tag or id are provided, a new snapshot is created" }, 
    { "loadvm", "s", do_loadvm,
      "tag|id", "restore a VM snapshot from its tag or id" }, 
    { "delvm", "s", do_delvm,
      "tag|id", "delete a VM snapshot from its tag or id" }, 
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    { "stop", "", do_stop, 
      "", "stop emulation", },
    { "c|cont", "", do_cont, 
      "", "resume emulation", },
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#ifdef CONFIG_GDBSTUB
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    { "gdbserver", "i?", do_gdbserver, 
      "[port]", "start gdbserver session (default port=1234)", },
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#endif
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    { "x", "/l", do_memory_dump, 
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      "/fmt addr", "virtual memory dump starting at 'addr'", },
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    { "xp", "/l", do_physical_memory_dump, 
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      "/fmt addr", "physical memory dump starting at 'addr'", },
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    { "p|print", "/l", do_print, 
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      "/fmt expr", "print expression value (use $reg for CPU register access)", },
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    { "i", "/ii.", do_ioport_read, 
      "/fmt addr", "I/O port read" },

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    { "sendkey", "s", do_send_key, 
      "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
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    { "system_reset", "", do_system_reset, 
      "", "reset the system" },
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    { "system_powerdown", "", do_system_powerdown, 
      "", "send system power down event" },
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    { "sum", "ii", do_sum, 
      "addr size", "compute the checksum of a memory region" },
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    { "usb_add", "s", do_usb_add,
      "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
    { "usb_del", "s", do_usb_del,
      "device", "remove USB device 'bus.addr'" },
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    { "cpu", "i", do_cpu_set, 
      "index", "set the default CPU" },
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    { "mouse_move", "sss?", do_mouse_move, 
      "dx dy [dz]", "send mouse move events" },
    { "mouse_button", "i", do_mouse_button, 
      "state", "change mouse button state (1=L, 2=M, 4=R)" },
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    { "mouse_set", "i", do_mouse_set,
      "index", "set which mouse device receives events" },
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#ifdef HAS_AUDIO
    { "wavcapture", "si?i?i?", do_wav_capture,
      "path [frequency bits channels]",
      "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
#endif
     { "stopcapture", "i", do_stop_capture,
       "capture index", "stop capture" },
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    { "memsave", "lis", do_memory_save, 
      "addr size file", "save to disk virtual memory dump starting at 'addr' of size 'size'", },
1255
    { NULL, NULL, }, 
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};

static term_cmd_t info_cmds[] = {
B
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1259 1260
    { "version", "", do_info_version,
      "", "show the version of qemu" },
1261
    { "network", "", do_info_network,
B
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      "", "show the network state" },
1263
    { "block", "", do_info_block,
B
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1264
      "", "show the block devices" },
1265 1266
    { "registers", "", do_info_registers,
      "", "show the cpu registers" },
B
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    { "cpus", "", do_info_cpus,
      "", "show infos for each CPU" },
B
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    { "history", "", do_info_history,
      "", "show the command line history", },
1271 1272
    { "irq", "", irq_info,
      "", "show the interrupts statistics (if available)", },
1273 1274
    { "pic", "", pic_info,
      "", "show i8259 (PIC) state", },
B
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    { "pci", "", pci_info,
      "", "show PCI info", },
B
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#if defined(TARGET_I386)
    { "tlb", "", tlb_info,
      "", "show virtual to physical memory mappings", },
    { "mem", "", mem_info,
      "", "show the active virtual memory mappings", },
#endif
B
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    { "jit", "", do_info_jit,
      "", "show dynamic compiler info", },
B
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1285 1286
    { "kqemu", "", do_info_kqemu,
      "", "show kqemu information", },
B
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    { "usb", "", usb_info,
      "", "show guest USB devices", },
    { "usbhost", "", usb_host_info,
      "", "show host USB devices", },
B
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    { "profile", "", do_info_profile,
      "", "show profiling information", },
B
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1293
    { "capture", "", do_info_capture,
B
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      "", "show capture information" },
B
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1295
    { "snapshots", "", do_info_snapshots,
B
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      "", "show the currently saved VM snapshots" },
1297 1298
    { "mice", "", do_info_mice,
      "", "show which guest mouse is receiving events" },
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    { NULL, NULL, },
};

1302 1303 1304 1305 1306
/*******************************************************************/

static const char *pch;
static jmp_buf expr_env;

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#define MD_TLONG 0
#define MD_I32   1

1310 1311 1312
typedef struct MonitorDef {
    const char *name;
    int offset;
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    target_long (*get_value)(struct MonitorDef *md, int val);
    int type;
1315 1316
} MonitorDef;

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

1327
#if defined(TARGET_PPC)
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static target_long monitor_get_ccr (struct MonitorDef *md, int val)
1329
{
B
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    CPUState *env = mon_get_cpu();
1331 1332 1333
    unsigned int u;
    int i;

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    if (!env)
        return 0;

1337 1338
    u = 0;
    for (i = 0; i < 8; i++)
B
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	u |= env->crf[i] << (32 - (4 * i));
1340 1341 1342 1343

    return u;
}

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static target_long monitor_get_msr (struct MonitorDef *md, int val)
1345
{
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    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return (env->msr[MSR_POW] << MSR_POW) |
        (env->msr[MSR_ILE] << MSR_ILE) |
        (env->msr[MSR_EE] << MSR_EE) |
        (env->msr[MSR_PR] << MSR_PR) |
        (env->msr[MSR_FP] << MSR_FP) |
        (env->msr[MSR_ME] << MSR_ME) |
        (env->msr[MSR_FE0] << MSR_FE0) |
        (env->msr[MSR_SE] << MSR_SE) |
        (env->msr[MSR_BE] << MSR_BE) |
        (env->msr[MSR_FE1] << MSR_FE1) |
        (env->msr[MSR_IP] << MSR_IP) |
        (env->msr[MSR_IR] << MSR_IR) |
        (env->msr[MSR_DR] << MSR_DR) |
        (env->msr[MSR_RI] << MSR_RI) |
        (env->msr[MSR_LE] << MSR_LE);
1364 1365
}

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static target_long monitor_get_xer (struct MonitorDef *md, int val)
1367
{
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    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return (env->xer[XER_SO] << XER_SO) |
        (env->xer[XER_OV] << XER_OV) |
        (env->xer[XER_CA] << XER_CA) |
        (env->xer[XER_BC] << XER_BC);
1375
}
1376

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static target_long monitor_get_decr (struct MonitorDef *md, int val)
1378
{
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    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return cpu_ppc_load_decr(env);
1383 1384
}

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static target_long monitor_get_tbu (struct MonitorDef *md, int val)
1386
{
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    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return cpu_ppc_load_tbu(env);
1391 1392
}

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static target_long monitor_get_tbl (struct MonitorDef *md, int val)
1394
{
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    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return cpu_ppc_load_tbl(env);
1399
}
1400 1401
#endif

1402
#if defined(TARGET_SPARC)
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#ifndef TARGET_SPARC64
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static target_long monitor_get_psr (struct MonitorDef *md, int val)
1405
{
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    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return GET_PSR(env);
1410
}
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#endif
1412

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static target_long monitor_get_reg(struct MonitorDef *md, int val)
1414
{
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    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return env->regwptr[val];
1419 1420 1421
}
#endif

1422 1423
static MonitorDef monitor_defs[] = {
#ifdef TARGET_I386
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#define SEG(name, seg) \
B
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    { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
B
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    { name ".base", offsetof(CPUState, segs[seg].base) },\
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    { name ".limit", offsetof(CPUState, segs[seg].limit), NULL, MD_I32 },
B
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1430 1431 1432 1433 1434 1435 1436
    { "eax", offsetof(CPUState, regs[0]) },
    { "ecx", offsetof(CPUState, regs[1]) },
    { "edx", offsetof(CPUState, regs[2]) },
    { "ebx", offsetof(CPUState, regs[3]) },
    { "esp|sp", offsetof(CPUState, regs[4]) },
    { "ebp|fp", offsetof(CPUState, regs[5]) },
    { "esi", offsetof(CPUState, regs[6]) },
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    { "edi", offsetof(CPUState, regs[7]) },
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#ifdef TARGET_X86_64
    { "r8", offsetof(CPUState, regs[8]) },
    { "r9", offsetof(CPUState, regs[9]) },
    { "r10", offsetof(CPUState, regs[10]) },
    { "r11", offsetof(CPUState, regs[11]) },
    { "r12", offsetof(CPUState, regs[12]) },
    { "r13", offsetof(CPUState, regs[13]) },
    { "r14", offsetof(CPUState, regs[14]) },
    { "r15", offsetof(CPUState, regs[15]) },
#endif
1448
    { "eflags", offsetof(CPUState, eflags) },
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    { "eip", offsetof(CPUState, eip) },
    SEG("cs", R_CS)
    SEG("ds", R_DS)
    SEG("es", R_ES)
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    SEG("ss", R_SS)
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    SEG("fs", R_FS)
    SEG("gs", R_GS)
    { "pc", 0, monitor_get_pc, },
1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489
#elif defined(TARGET_PPC)
    { "r0", offsetof(CPUState, gpr[0]) },
    { "r1", offsetof(CPUState, gpr[1]) },
    { "r2", offsetof(CPUState, gpr[2]) },
    { "r3", offsetof(CPUState, gpr[3]) },
    { "r4", offsetof(CPUState, gpr[4]) },
    { "r5", offsetof(CPUState, gpr[5]) },
    { "r6", offsetof(CPUState, gpr[6]) },
    { "r7", offsetof(CPUState, gpr[7]) },
    { "r8", offsetof(CPUState, gpr[8]) },
    { "r9", offsetof(CPUState, gpr[9]) },
    { "r10", offsetof(CPUState, gpr[10]) },
    { "r11", offsetof(CPUState, gpr[11]) },
    { "r12", offsetof(CPUState, gpr[12]) },
    { "r13", offsetof(CPUState, gpr[13]) },
    { "r14", offsetof(CPUState, gpr[14]) },
    { "r15", offsetof(CPUState, gpr[15]) },
    { "r16", offsetof(CPUState, gpr[16]) },
    { "r17", offsetof(CPUState, gpr[17]) },
    { "r18", offsetof(CPUState, gpr[18]) },
    { "r19", offsetof(CPUState, gpr[19]) },
    { "r20", offsetof(CPUState, gpr[20]) },
    { "r21", offsetof(CPUState, gpr[21]) },
    { "r22", offsetof(CPUState, gpr[22]) },
    { "r23", offsetof(CPUState, gpr[23]) },
    { "r24", offsetof(CPUState, gpr[24]) },
    { "r25", offsetof(CPUState, gpr[25]) },
    { "r26", offsetof(CPUState, gpr[26]) },
    { "r27", offsetof(CPUState, gpr[27]) },
    { "r28", offsetof(CPUState, gpr[28]) },
    { "r29", offsetof(CPUState, gpr[29]) },
    { "r30", offsetof(CPUState, gpr[30]) },
    { "r31", offsetof(CPUState, gpr[31]) },
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    { "nip|pc", offsetof(CPUState, nip) },
1491 1492
    { "lr", offsetof(CPUState, lr) },
    { "ctr", offsetof(CPUState, ctr) },
1493
    { "decr", 0, &monitor_get_decr, },
1494 1495 1496
    { "ccr", 0, &monitor_get_ccr, },
    { "msr", 0, &monitor_get_msr, },
    { "xer", 0, &monitor_get_xer, },
1497 1498
    { "tbu", 0, &monitor_get_tbu, },
    { "tbl", 0, &monitor_get_tbl, },
1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516
    { "sdr1", offsetof(CPUState, sdr1) },
    { "sr0", offsetof(CPUState, sr[0]) },
    { "sr1", offsetof(CPUState, sr[1]) },
    { "sr2", offsetof(CPUState, sr[2]) },
    { "sr3", offsetof(CPUState, sr[3]) },
    { "sr4", offsetof(CPUState, sr[4]) },
    { "sr5", offsetof(CPUState, sr[5]) },
    { "sr6", offsetof(CPUState, sr[6]) },
    { "sr7", offsetof(CPUState, sr[7]) },
    { "sr8", offsetof(CPUState, sr[8]) },
    { "sr9", offsetof(CPUState, sr[9]) },
    { "sr10", offsetof(CPUState, sr[10]) },
    { "sr11", offsetof(CPUState, sr[11]) },
    { "sr12", offsetof(CPUState, sr[12]) },
    { "sr13", offsetof(CPUState, sr[13]) },
    { "sr14", offsetof(CPUState, sr[14]) },
    { "sr15", offsetof(CPUState, sr[15]) },
    /* Too lazy to put BATs and SPRs ... */
1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552
#elif defined(TARGET_SPARC)
    { "g0", offsetof(CPUState, gregs[0]) },
    { "g1", offsetof(CPUState, gregs[1]) },
    { "g2", offsetof(CPUState, gregs[2]) },
    { "g3", offsetof(CPUState, gregs[3]) },
    { "g4", offsetof(CPUState, gregs[4]) },
    { "g5", offsetof(CPUState, gregs[5]) },
    { "g6", offsetof(CPUState, gregs[6]) },
    { "g7", offsetof(CPUState, gregs[7]) },
    { "o0", 0, monitor_get_reg },
    { "o1", 1, monitor_get_reg },
    { "o2", 2, monitor_get_reg },
    { "o3", 3, monitor_get_reg },
    { "o4", 4, monitor_get_reg },
    { "o5", 5, monitor_get_reg },
    { "o6", 6, monitor_get_reg },
    { "o7", 7, monitor_get_reg },
    { "l0", 8, monitor_get_reg },
    { "l1", 9, monitor_get_reg },
    { "l2", 10, monitor_get_reg },
    { "l3", 11, monitor_get_reg },
    { "l4", 12, monitor_get_reg },
    { "l5", 13, monitor_get_reg },
    { "l6", 14, monitor_get_reg },
    { "l7", 15, monitor_get_reg },
    { "i0", 16, monitor_get_reg },
    { "i1", 17, monitor_get_reg },
    { "i2", 18, monitor_get_reg },
    { "i3", 19, monitor_get_reg },
    { "i4", 20, monitor_get_reg },
    { "i5", 21, monitor_get_reg },
    { "i6", 22, monitor_get_reg },
    { "i7", 23, monitor_get_reg },
    { "pc", offsetof(CPUState, pc) },
    { "npc", offsetof(CPUState, npc) },
    { "y", offsetof(CPUState, y) },
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#ifndef TARGET_SPARC64
1554 1555
    { "psr", 0, &monitor_get_psr, },
    { "wim", offsetof(CPUState, wim) },
B
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#endif
1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590
    { "tbr", offsetof(CPUState, tbr) },
    { "fsr", offsetof(CPUState, fsr) },
    { "f0", offsetof(CPUState, fpr[0]) },
    { "f1", offsetof(CPUState, fpr[1]) },
    { "f2", offsetof(CPUState, fpr[2]) },
    { "f3", offsetof(CPUState, fpr[3]) },
    { "f4", offsetof(CPUState, fpr[4]) },
    { "f5", offsetof(CPUState, fpr[5]) },
    { "f6", offsetof(CPUState, fpr[6]) },
    { "f7", offsetof(CPUState, fpr[7]) },
    { "f8", offsetof(CPUState, fpr[8]) },
    { "f9", offsetof(CPUState, fpr[9]) },
    { "f10", offsetof(CPUState, fpr[10]) },
    { "f11", offsetof(CPUState, fpr[11]) },
    { "f12", offsetof(CPUState, fpr[12]) },
    { "f13", offsetof(CPUState, fpr[13]) },
    { "f14", offsetof(CPUState, fpr[14]) },
    { "f15", offsetof(CPUState, fpr[15]) },
    { "f16", offsetof(CPUState, fpr[16]) },
    { "f17", offsetof(CPUState, fpr[17]) },
    { "f18", offsetof(CPUState, fpr[18]) },
    { "f19", offsetof(CPUState, fpr[19]) },
    { "f20", offsetof(CPUState, fpr[20]) },
    { "f21", offsetof(CPUState, fpr[21]) },
    { "f22", offsetof(CPUState, fpr[22]) },
    { "f23", offsetof(CPUState, fpr[23]) },
    { "f24", offsetof(CPUState, fpr[24]) },
    { "f25", offsetof(CPUState, fpr[25]) },
    { "f26", offsetof(CPUState, fpr[26]) },
    { "f27", offsetof(CPUState, fpr[27]) },
    { "f28", offsetof(CPUState, fpr[28]) },
    { "f29", offsetof(CPUState, fpr[29]) },
    { "f30", offsetof(CPUState, fpr[30]) },
    { "f31", offsetof(CPUState, fpr[31]) },
B
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1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616
#ifdef TARGET_SPARC64
    { "f32", offsetof(CPUState, fpr[32]) },
    { "f34", offsetof(CPUState, fpr[34]) },
    { "f36", offsetof(CPUState, fpr[36]) },
    { "f38", offsetof(CPUState, fpr[38]) },
    { "f40", offsetof(CPUState, fpr[40]) },
    { "f42", offsetof(CPUState, fpr[42]) },
    { "f44", offsetof(CPUState, fpr[44]) },
    { "f46", offsetof(CPUState, fpr[46]) },
    { "f48", offsetof(CPUState, fpr[48]) },
    { "f50", offsetof(CPUState, fpr[50]) },
    { "f52", offsetof(CPUState, fpr[52]) },
    { "f54", offsetof(CPUState, fpr[54]) },
    { "f56", offsetof(CPUState, fpr[56]) },
    { "f58", offsetof(CPUState, fpr[58]) },
    { "f60", offsetof(CPUState, fpr[60]) },
    { "f62", offsetof(CPUState, fpr[62]) },
    { "asi", offsetof(CPUState, asi) },
    { "pstate", offsetof(CPUState, pstate) },
    { "cansave", offsetof(CPUState, cansave) },
    { "canrestore", offsetof(CPUState, canrestore) },
    { "otherwin", offsetof(CPUState, otherwin) },
    { "wstate", offsetof(CPUState, wstate) },
    { "cleanwin", offsetof(CPUState, cleanwin) },
    { "fprs", offsetof(CPUState, fprs) },
#endif
1617 1618 1619 1620 1621
#endif
    { NULL },
};

static void expr_error(const char *fmt) 
B
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1622
{
1623 1624 1625 1626 1627
    term_printf(fmt);
    term_printf("\n");
    longjmp(expr_env, 1);
}

B
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1628
/* return 0 if OK, -1 if not found, -2 if no CPU defined */
B
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1629
static int get_monitor_def(target_long *pval, const char *name)
1630 1631
{
    MonitorDef *md;
B
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1632 1633
    void *ptr;

1634 1635 1636
    for(md = monitor_defs; md->name != NULL; md++) {
        if (compare_cmd(name, md->name)) {
            if (md->get_value) {
1637
                *pval = md->get_value(md, md->offset);
1638
            } else {
B
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1639 1640 1641 1642
                CPUState *env = mon_get_cpu();
                if (!env)
                    return -2;
                ptr = (uint8_t *)env + md->offset;
B
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1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653
                switch(md->type) {
                case MD_I32:
                    *pval = *(int32_t *)ptr;
                    break;
                case MD_TLONG:
                    *pval = *(target_long *)ptr;
                    break;
                default:
                    *pval = 0;
                    break;
                }
1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669
            }
            return 0;
        }
    }
    return -1;
}

static void next(void)
{
    if (pch != '\0') {
        pch++;
        while (isspace(*pch))
            pch++;
    }
}

B
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1670
static target_long expr_sum(void);
1671

B
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1672
static target_long expr_unary(void)
1673
{
B
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1674
    target_long n;
1675
    char *p;
B
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1676
    int ret;
1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698

    switch(*pch) {
    case '+':
        next();
        n = expr_unary();
        break;
    case '-':
        next();
        n = -expr_unary();
        break;
    case '~':
        next();
        n = ~expr_unary();
        break;
    case '(':
        next();
        n = expr_sum();
        if (*pch != ')') {
            expr_error("')' expected");
        }
        next();
        break;
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1699 1700 1701 1702 1703 1704 1705 1706 1707 1708
    case '\'':
        pch++;
        if (*pch == '\0')
            expr_error("character constant expected");
        n = *pch;
        pch++;
        if (*pch != '\'')
            expr_error("missing terminating \' character");
        next();
        break;
1709 1710 1711 1712 1713 1714 1715 1716 1717
    case '$':
        {
            char buf[128], *q;
            
            pch++;
            q = buf;
            while ((*pch >= 'a' && *pch <= 'z') ||
                   (*pch >= 'A' && *pch <= 'Z') ||
                   (*pch >= '0' && *pch <= '9') ||
B
bellard 已提交
1718
                   *pch == '_' || *pch == '.') {
1719 1720 1721 1722 1723 1724 1725
                if ((q - buf) < sizeof(buf) - 1)
                    *q++ = *pch;
                pch++;
            }
            while (isspace(*pch))
                pch++;
            *q = 0;
B
bellard 已提交
1726 1727
            ret = get_monitor_def(&n, buf);
            if (ret == -1)
1728
                expr_error("unknown register");
B
bellard 已提交
1729 1730
            else if (ret == -2) 
                expr_error("no cpu defined");
1731 1732 1733 1734 1735 1736 1737
        }
        break;
    case '\0':
        expr_error("unexpected end of expression");
        n = 0;
        break;
    default:
B
bellard 已提交
1738 1739 1740
#if TARGET_LONG_BITS == 64
        n = strtoull(pch, &p, 0);
#else
1741
        n = strtoul(pch, &p, 0);
B
bellard 已提交
1742
#endif
1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754
        if (pch == p) {
            expr_error("invalid char in expression");
        }
        pch = p;
        while (isspace(*pch))
            pch++;
        break;
    }
    return n;
}


B
bellard 已提交
1755
static target_long expr_prod(void)
1756
{
B
bellard 已提交
1757 1758 1759
    target_long val, val2;
    int op;
    
1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774
    val = expr_unary();
    for(;;) {
        op = *pch;
        if (op != '*' && op != '/' && op != '%')
            break;
        next();
        val2 = expr_unary();
        switch(op) {
        default:
        case '*':
            val *= val2;
            break;
        case '/':
        case '%':
            if (val2 == 0) 
B
bellard 已提交
1775
                expr_error("division by zero");
1776 1777 1778 1779 1780 1781 1782 1783 1784 1785
            if (op == '/')
                val /= val2;
            else
                val %= val2;
            break;
        }
    }
    return val;
}

B
bellard 已提交
1786
static target_long expr_logic(void)
1787
{
B
bellard 已提交
1788 1789
    target_long val, val2;
    int op;
1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813

    val = expr_prod();
    for(;;) {
        op = *pch;
        if (op != '&' && op != '|' && op != '^')
            break;
        next();
        val2 = expr_prod();
        switch(op) {
        default:
        case '&':
            val &= val2;
            break;
        case '|':
            val |= val2;
            break;
        case '^':
            val ^= val2;
            break;
        }
    }
    return val;
}

B
bellard 已提交
1814
static target_long expr_sum(void)
1815
{
B
bellard 已提交
1816 1817
    target_long val, val2;
    int op;
1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833

    val = expr_logic();
    for(;;) {
        op = *pch;
        if (op != '+' && op != '-')
            break;
        next();
        val2 = expr_logic();
        if (op == '+')
            val += val2;
        else
            val -= val2;
    }
    return val;
}

B
bellard 已提交
1834
static int get_expr(target_long *pval, const char **pp)
1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853
{
    pch = *pp;
    if (setjmp(expr_env)) {
        *pp = pch;
        return -1;
    }
    while (isspace(*pch))
        pch++;
    *pval = expr_sum();
    *pp = pch;
    return 0;
}

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

B
bellard 已提交
1854
    q = buf;
1855 1856 1857 1858 1859
    p = *pp;
    while (isspace(*p))
        p++;
    if (*p == '\0') {
    fail:
B
bellard 已提交
1860
        *q = '\0';
1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895
        *pp = p;
        return -1;
    }
    if (*p == '\"') {
        p++;
        while (*p != '\0' && *p != '\"') {
            if (*p == '\\') {
                p++;
                c = *p++;
                switch(c) {
                case 'n':
                    c = '\n';
                    break;
                case 'r':
                    c = '\r';
                    break;
                case '\\':
                case '\'':
                case '\"':
                    break;
                default:
                    qemu_printf("unsupported escape code: '\\%c'\n", c);
                    goto fail;
                }
                if ((q - buf) < buf_size - 1) {
                    *q++ = c;
                }
            } else {
                if ((q - buf) < buf_size - 1) {
                    *q++ = *p;
                }
                p++;
            }
        }
        if (*p != '\"') {
B
bellard 已提交
1896
            qemu_printf("unterminated string\n");
1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907
            goto fail;
        }
        p++;
    } else {
        while (*p != '\0' && !isspace(*p)) {
            if ((q - buf) < buf_size - 1) {
                *q++ = *p;
            }
            p++;
        }
    }
B
bellard 已提交
1908
    *q = '\0';
1909 1910 1911 1912 1913 1914 1915 1916 1917
    *pp = p;
    return 0;
}

static int default_fmt_format = 'x';
static int default_fmt_size = 4;

#define MAX_ARGS 16

1918
static void monitor_handle_command(const char *cmdline)
1919 1920 1921 1922
{
    const char *p, *pstart, *typestr;
    char *q;
    int c, nb_args, len, i, has_arg;
B
bellard 已提交
1923
    term_cmd_t *cmd;
1924 1925 1926 1927
    char cmdname[256];
    char buf[1024];
    void *str_allocated[MAX_ARGS];
    void *args[MAX_ARGS];
B
bellard 已提交
1928 1929 1930 1931 1932

#ifdef DEBUG
    term_printf("command='%s'\n", cmdline);
#endif
    
1933
    /* extract the command name */
B
bellard 已提交
1934
    p = cmdline;
1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963
    q = cmdname;
    while (isspace(*p))
        p++;
    if (*p == '\0')
        return;
    pstart = p;
    while (*p != '\0' && *p != '/' && !isspace(*p))
        p++;
    len = p - pstart;
    if (len > sizeof(cmdname) - 1)
        len = sizeof(cmdname) - 1;
    memcpy(cmdname, pstart, len);
    cmdname[len] = '\0';
    
    /* find the command */
    for(cmd = term_cmds; cmd->name != NULL; cmd++) {
        if (compare_cmd(cmdname, cmd->name)) 
            goto found;
    }
    term_printf("unknown command: '%s'\n", cmdname);
    return;
 found:

    for(i = 0; i < MAX_ARGS; i++)
        str_allocated[i] = NULL;
    
    /* parse the parameters */
    typestr = cmd->args_type;
    nb_args = 0;
B
bellard 已提交
1964
    for(;;) {
1965 1966
        c = *typestr;
        if (c == '\0')
B
bellard 已提交
1967
            break;
1968 1969 1970
        typestr++;
        switch(c) {
        case 'F':
B
bellard 已提交
1971
        case 'B':
1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988
        case 's':
            {
                int ret;
                char *str;
                
                while (isspace(*p)) 
                    p++;
                if (*typestr == '?') {
                    typestr++;
                    if (*p == '\0') {
                        /* no optional string: NULL argument */
                        str = NULL;
                        goto add_str;
                    }
                }
                ret = get_str(buf, sizeof(buf), &p);
                if (ret < 0) {
B
bellard 已提交
1989 1990
                    switch(c) {
                    case 'F':
1991
                        term_printf("%s: filename expected\n", cmdname);
B
bellard 已提交
1992 1993 1994 1995 1996
                        break;
                    case 'B':
                        term_printf("%s: block device name expected\n", cmdname);
                        break;
                    default:
1997
                        term_printf("%s: string expected\n", cmdname);
B
bellard 已提交
1998 1999
                        break;
                    }
2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
                    goto fail;
                }
                str = qemu_malloc(strlen(buf) + 1);
                strcpy(str, buf);
                str_allocated[nb_args] = str;
            add_str:
                if (nb_args >= MAX_ARGS) {
                error_args:
                    term_printf("%s: too many arguments\n", cmdname);
                    goto fail;
                }
                args[nb_args++] = str;
            }
B
bellard 已提交
2013
            break;
2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070
        case '/':
            {
                int count, format, size;
                
                while (isspace(*p))
                    p++;
                if (*p == '/') {
                    /* format found */
                    p++;
                    count = 1;
                    if (isdigit(*p)) {
                        count = 0;
                        while (isdigit(*p)) {
                            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:
                    if (*p != '\0' && !isspace(*p)) {
                        term_printf("invalid char in format: '%c'\n", *p);
                        goto fail;
                    }
                    if (format < 0)
                        format = default_fmt_format;
2071 2072 2073 2074 2075
                    if (format != 'i') {
                        /* for 'i', not specifying a size gives -1 as size */
                        if (size < 0)
                            size = default_fmt_size;
                    }
2076 2077 2078 2079 2080
                    default_fmt_size = size;
                    default_fmt_format = format;
                } else {
                    count = 1;
                    format = default_fmt_format;
2081 2082 2083 2084 2085
                    if (format != 'i') {
                        size = default_fmt_size;
                    } else {
                        size = -1;
                    }
2086 2087 2088 2089 2090 2091 2092
                }
                if (nb_args + 3 > MAX_ARGS)
                    goto error_args;
                args[nb_args++] = (void*)count;
                args[nb_args++] = (void*)format;
                args[nb_args++] = (void*)size;
            }
B
bellard 已提交
2093
            break;
2094
        case 'i':
B
bellard 已提交
2095
        case 'l':
2096
            {
B
bellard 已提交
2097
                target_long val;
2098 2099
                while (isspace(*p)) 
                    p++;
B
bellard 已提交
2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115
                if (*typestr == '?' || *typestr == '.') {
                    if (*typestr == '?') {
                        if (*p == '\0')
                            has_arg = 0;
                        else
                            has_arg = 1;
                    } else {
                        if (*p == '.') {
                            p++;
                            while (isspace(*p)) 
                                p++;
                            has_arg = 1;
                        } else {
                            has_arg = 0;
                        }
                    }
B
bellard 已提交
2116
                    typestr++;
2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129
                    if (nb_args >= MAX_ARGS)
                        goto error_args;
                    args[nb_args++] = (void *)has_arg;
                    if (!has_arg) {
                        if (nb_args >= MAX_ARGS)
                            goto error_args;
                        val = -1;
                        goto add_num;
                    }
                }
                if (get_expr(&val, &p))
                    goto fail;
            add_num:
B
bellard 已提交
2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143
                if (c == 'i') {
                    if (nb_args >= MAX_ARGS)
                        goto error_args;
                    args[nb_args++] = (void *)(int)val;
                } else {
                    if ((nb_args + 1) >= MAX_ARGS)
                        goto error_args;
#if TARGET_LONG_BITS == 64
                    args[nb_args++] = (void *)(int)((val >> 32) & 0xffffffff);
#else
                    args[nb_args++] = (void *)0;
#endif
                    args[nb_args++] = (void *)(int)(val & 0xffffffff);
                }
2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176
            }
            break;
        case '-':
            {
                int has_option;
                /* option */
                
                c = *typestr++;
                if (c == '\0')
                    goto bad_type;
                while (isspace(*p)) 
                    p++;
                has_option = 0;
                if (*p == '-') {
                    p++;
                    if (*p != c) {
                        term_printf("%s: unsupported option -%c\n", 
                                    cmdname, *p);
                        goto fail;
                    }
                    p++;
                    has_option = 1;
                }
                if (nb_args >= MAX_ARGS)
                    goto error_args;
                args[nb_args++] = (void *)has_option;
            }
            break;
        default:
        bad_type:
            term_printf("%s: unknown type '%c'\n", cmdname, c);
            goto fail;
        }
B
bellard 已提交
2177
    }
2178 2179 2180 2181 2182 2183 2184
    /* check that all arguments were parsed */
    while (isspace(*p))
        p++;
    if (*p != '\0') {
        term_printf("%s: extraneous characters at the end of line\n", 
                    cmdname);
        goto fail;
B
bellard 已提交
2185
    }
2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205

    switch(nb_args) {
    case 0:
        cmd->handler();
        break;
    case 1:
        cmd->handler(args[0]);
        break;
    case 2:
        cmd->handler(args[0], args[1]);
        break;
    case 3:
        cmd->handler(args[0], args[1], args[2]);
        break;
    case 4:
        cmd->handler(args[0], args[1], args[2], args[3]);
        break;
    case 5:
        cmd->handler(args[0], args[1], args[2], args[3], args[4]);
        break;
B
bellard 已提交
2206 2207 2208
    case 6:
        cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
        break;
B
bellard 已提交
2209 2210 2211
    case 7:
        cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
        break;
2212 2213 2214
    default:
        term_printf("unsupported number of arguments: %d\n", nb_args);
        goto fail;
B
bellard 已提交
2215
    }
2216 2217 2218
 fail:
    for(i = 0; i < MAX_ARGS; i++)
        qemu_free(str_allocated[i]);
B
bellard 已提交
2219 2220 2221
    return;
}

B
bellard 已提交
2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331
static void cmd_completion(const char *name, const char *list)
{
    const char *p, *pstart;
    char cmd[128];
    int len;

    p = list;
    for(;;) {
        pstart = p;
        p = strchr(p, '|');
        if (!p)
            p = pstart + strlen(pstart);
        len = p - pstart;
        if (len > sizeof(cmd) - 2)
            len = sizeof(cmd) - 2;
        memcpy(cmd, pstart, len);
        cmd[len] = '\0';
        if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) {
            add_completion(cmd);
        }
        if (*p == '\0')
            break;
        p++;
    }
}

static void file_completion(const char *input)
{
    DIR *ffs;
    struct dirent *d;
    char path[1024];
    char file[1024], file_prefix[1024];
    int input_path_len;
    const char *p;

    p = strrchr(input, '/'); 
    if (!p) {
        input_path_len = 0;
        pstrcpy(file_prefix, sizeof(file_prefix), input);
        strcpy(path, ".");
    } 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
    term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix);
#endif
    ffs = opendir(path);
    if (!ffs)
        return;
    for(;;) {
        struct stat sb;
        d = readdir(ffs);
        if (!d)
            break;
        if (strstart(d->d_name, file_prefix, NULL)) {
            memcpy(file, input, input_path_len);
            strcpy(file + input_path_len, d->d_name);
            /* stat the file to find out if it's a directory.
             * In that case add a slash to speed up typing long paths
             */
            stat(file, &sb);
            if(S_ISDIR(sb.st_mode))
                strcat(file, "/");
            add_completion(file);
        }
    }
    closedir(ffs);
}

static void block_completion_it(void *opaque, const char *name)
{
    const char *input = opaque;

    if (input[0] == '\0' ||
        !strncmp(name, (char *)input, strlen(input))) {
        add_completion(name);
    }
}

/* NOTE: this parser is an approximate form of the real command parser */
static void parse_cmdline(const char *cmdline,
                         int *pnb_args, char **args)
{
    const char *p;
    int nb_args, ret;
    char buf[1024];

    p = cmdline;
    nb_args = 0;
    for(;;) {
        while (isspace(*p))
            p++;
        if (*p == '\0')
            break;
        if (nb_args >= MAX_ARGS)
            break;
        ret = get_str(buf, sizeof(buf), &p);
        args[nb_args] = qemu_strdup(buf);
        nb_args++;
        if (ret < 0)
            break;
    }
    *pnb_args = nb_args;
}

2332
void readline_find_completion(const char *cmdline)
B
bellard 已提交
2333 2334 2335 2336 2337 2338
{
    const char *cmdname;
    char *args[MAX_ARGS];
    int nb_args, i, len;
    const char *ptype, *str;
    term_cmd_t *cmd;
2339
    const KeyDef *key;
B
bellard 已提交
2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393

    parse_cmdline(cmdline, &nb_args, args);
#ifdef DEBUG_COMPLETION
    for(i = 0; i < nb_args; i++) {
        term_printf("arg%d = '%s'\n", i, (char *)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 && isspace(cmdline[len - 1])) {
        if (nb_args >= MAX_ARGS)
            return;
        args[nb_args++] = qemu_strdup("");
    }
    if (nb_args <= 1) {
        /* command completion */
        if (nb_args == 0)
            cmdname = "";
        else
            cmdname = args[0];
        completion_index = strlen(cmdname);
        for(cmd = term_cmds; cmd->name != NULL; cmd++) {
            cmd_completion(cmdname, cmd->name);
        }
    } else {
        /* find the command */
        for(cmd = term_cmds; cmd->name != NULL; cmd++) {
            if (compare_cmd(args[0], cmd->name))
                goto found;
        }
        return;
    found:
        ptype = cmd->args_type;
        for(i = 0; i < nb_args - 2; i++) {
            if (*ptype != '\0') {
                ptype++;
                while (*ptype == '?')
                    ptype++;
            }
        }
        str = args[nb_args - 1];
        switch(*ptype) {
        case 'F':
            /* file completion */
            completion_index = strlen(str);
            file_completion(str);
            break;
        case 'B':
            /* block device name completion */
            completion_index = strlen(str);
            bdrv_iterate(block_completion_it, (void *)str);
            break;
B
bellard 已提交
2394 2395 2396 2397 2398 2399 2400
        case 's':
            /* XXX: more generic ? */
            if (!strcmp(cmd->name, "info")) {
                completion_index = strlen(str);
                for(cmd = info_cmds; cmd->name != NULL; cmd++) {
                    cmd_completion(str, cmd->name);
                }
2401 2402 2403 2404 2405
            } else if (!strcmp(cmd->name, "sendkey")) {
                completion_index = strlen(str);
                for(key = key_defs; key->name != NULL; key++) {
                    cmd_completion(str, key->name);
                }
B
bellard 已提交
2406 2407
            }
            break;
B
bellard 已提交
2408 2409 2410 2411 2412 2413 2414 2415
        default:
            break;
        }
    }
    for(i = 0; i < nb_args; i++)
        qemu_free(args[i]);
}

2416
static int term_can_read(void *opaque)
B
bellard 已提交
2417
{
2418
    return 128;
B
bellard 已提交
2419 2420
}

2421
static void term_read(void *opaque, const uint8_t *buf, int size)
B
bellard 已提交
2422
{
2423 2424 2425
    int i;
    for(i = 0; i < size; i++)
        readline_handle_byte(buf[i]);
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}

2428
static void monitor_start_input(void);
B
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2429

2430
static void monitor_handle_command1(void *opaque, const char *cmdline)
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{
2432 2433
    monitor_handle_command(cmdline);
    monitor_start_input();
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}

2436
static void monitor_start_input(void)
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{
2438
    readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
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}

2441
void monitor_init(CharDriverState *hd, int show_banner)
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{
2443 2444 2445 2446
    monitor_hd = hd;
    if (show_banner) {
        term_printf("QEMU %s monitor - type 'help' for more information\n",
                    QEMU_VERSION);
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    }
2448 2449
    qemu_chr_add_read_handler(hd, term_can_read, term_read, NULL);
    monitor_start_input();
B
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}

2452 2453 2454 2455 2456
/* XXX: use threads ? */
/* modal monitor readline */
static int monitor_readline_started;
static char *monitor_readline_buf;
static int monitor_readline_buf_size;
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2458
static void monitor_readline_cb(void *opaque, const char *input)
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{
2460 2461
    pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
    monitor_readline_started = 0;
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}

2464 2465
void monitor_readline(const char *prompt, int is_password,
                      char *buf, int buf_size)
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{
2467 2468
    if (is_password) {
        qemu_chr_send_event(monitor_hd, CHR_EVENT_FOCUS);
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    }
2470 2471 2472 2473 2474 2475
    readline_start(prompt, is_password, monitor_readline_cb, NULL);
    monitor_readline_buf = buf;
    monitor_readline_buf_size = buf_size;
    monitor_readline_started = 1;
    while (monitor_readline_started) {
        main_loop_wait(10);
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    }
}