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monitor.c 65.2 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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#define MAX_MON 4
static CharDriverState *monitor_hd[MAX_MON];
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static int hide_banner;
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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)
{
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    int i;
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    if (term_outbuf_index > 0) {
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        for (i = 0; i < MAX_MON; i++)
            if (monitor_hd[i] && monitor_hd[i]->focus == 0)
                qemu_chr_write(monitor_hd[i], term_outbuf, term_outbuf_index);
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        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;
    }
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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_name(void)
{
    if (qemu_name)
        term_printf("%s\n", qemu_name);
}
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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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#if defined(TARGET_PPC)
/* XXX: not implemented in other targets */
static void do_info_cpu_stats (void)
{
    CPUState *env;

    env = mon_get_cpu();
    cpu_dump_statistics(env, NULL, &monitor_fprintf, 0);
}
#endif
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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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    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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    qemu_key_check(bs, filename);
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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(const char *port)
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{
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    if (!port)
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        port = DEFAULT_GDBSTUB_PORT;
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    if (gdbserver_start(port) < 0) {
        qemu_printf("Could not open gdbserver socket on port '%s'\n", port);
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    } else {
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        qemu_printf("Waiting gdb connection on port '%s'\n", port);
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    }
}
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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 medium (use -f to force it)" },
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    { "change", "BF", do_change,
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      "device filename", "change a removable medium" },
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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", "s?", do_gdbserver, 
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      "[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'", },
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    { NULL, NULL, }, 
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};

static term_cmd_t info_cmds[] = {
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    { "version", "", do_info_version,
      "", "show the version of qemu" },
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    { "network", "", do_info_network,
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      "", "show the network state" },
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    { "block", "", do_info_block,
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      "", "show the block devices" },
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    { "registers", "", do_info_registers,
      "", "show the cpu registers" },
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    { "cpus", "", do_info_cpus,
      "", "show infos for each CPU" },
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    { "history", "", do_info_history,
      "", "show the command line history", },
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    { "irq", "", irq_info,
      "", "show the interrupts statistics (if available)", },
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    { "pic", "", pic_info,
      "", "show i8259 (PIC) state", },
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    { "pci", "", pci_info,
      "", "show PCI info", },
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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
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    { "jit", "", do_info_jit,
      "", "show dynamic compiler info", },
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    { "kqemu", "", do_info_kqemu,
      "", "show kqemu information", },
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    { "usb", "", usb_info,
      "", "show guest USB devices", },
    { "usbhost", "", usb_host_info,
      "", "show host USB devices", },
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    { "profile", "", do_info_profile,
      "", "show profiling information", },
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    { "capture", "", do_info_capture,
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      "", "show capture information" },
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    { "snapshots", "", do_info_snapshots,
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      "", "show the currently saved VM snapshots" },
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    { "pcmcia", "", pcmcia_info,
      "", "show guest PCMCIA status" },
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    { "mice", "", do_info_mice,
      "", "show which guest mouse is receiving events" },
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    { "vnc", "", do_info_vnc,
      "", "show the vnc server status"},
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    { "name", "", do_info_name,
      "", "show the current VM name" },
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#if defined(TARGET_PPC)
    { "cpustats", "", do_info_cpu_stats,
      "", "show CPU statistics", },
#endif
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    { NULL, NULL, },
};
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/*******************************************************************/

static const char *pch;
static jmp_buf expr_env;
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#define MD_TLONG 0
#define MD_I32   1
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typedef struct MonitorDef {
    const char *name;
    int offset;
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    target_long (*get_value)(struct MonitorDef *md, int val);
    int type;
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} MonitorDef;
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#if defined(TARGET_I386)
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static target_long monitor_get_pc (struct MonitorDef *md, int val)
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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
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#if defined(TARGET_PPC)
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static target_long monitor_get_ccr (struct MonitorDef *md, int val)
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{
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    CPUState *env = mon_get_cpu();
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    unsigned int u;
    int i;
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    if (!env)
        return 0;
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    u = 0;
    for (i = 0; i < 8; i++)
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	u |= env->crf[i] << (32 - (4 * i));
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    return u;
}
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static target_long monitor_get_msr (struct MonitorDef *md, int val)
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{
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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);
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}
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static target_long monitor_get_xer (struct MonitorDef *md, int val)
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{
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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);
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}
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static target_long monitor_get_decr (struct MonitorDef *md, int val)
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{
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    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return cpu_ppc_load_decr(env);
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}
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static target_long monitor_get_tbu (struct MonitorDef *md, int val)
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{
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    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return cpu_ppc_load_tbu(env);
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}
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static target_long monitor_get_tbl (struct MonitorDef *md, int val)
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{
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    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return cpu_ppc_load_tbl(env);
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}
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#endif
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#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)
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{
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    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return GET_PSR(env);
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}
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#endif
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static target_long monitor_get_reg(struct MonitorDef *md, int val)
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{
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    CPUState *env = mon_get_cpu();
    if (!env)
        return 0;
    return env->regwptr[val];
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}
#endif
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static MonitorDef monitor_defs[] = {
#ifdef TARGET_I386
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#define SEG(name, seg) \
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    { name, offsetof(CPUState, segs[seg].selector), NULL, MD_I32 },\
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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 },
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    { "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
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    { "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, },
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#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) },
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    { "lr", offsetof(CPUState, lr) },
    { "ctr", offsetof(CPUState, ctr) },
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    { "decr", 0, &monitor_get_decr, },
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    { "ccr", 0, &monitor_get_ccr, },
    { "msr", 0, &monitor_get_msr, },
    { "xer", 0, &monitor_get_xer, },
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    { "tbu", 0, &monitor_get_tbu, },
    { "tbl", 0, &monitor_get_tbl, },
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    { "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 ... */
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#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
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    { "psr", 0, &monitor_get_psr, },
    { "wim", offsetof(CPUState, wim) },
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#endif
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    { "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]) },
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#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
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#endif
    { NULL },
};

static void expr_error(const char *fmt) 
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{
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    term_printf(fmt);
    term_printf("\n");
    longjmp(expr_env, 1);
}
bellard authored
1650
/* return 0 if OK, -1 if not found, -2 if no CPU defined */
bellard authored
1651
static int get_monitor_def(target_long *pval, const char *name)
1652
1653
{
    MonitorDef *md;
bellard authored
1654
1655
    void *ptr;
1656
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1658
    for(md = monitor_defs; md->name != NULL; md++) {
        if (compare_cmd(name, md->name)) {
            if (md->get_value) {
1659
                *pval = md->get_value(md, md->offset);
1660
            } else {
bellard authored
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                CPUState *env = mon_get_cpu();
                if (!env)
                    return -2;
                ptr = (uint8_t *)env + md->offset;
bellard authored
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                switch(md->type) {
                case MD_I32:
                    *pval = *(int32_t *)ptr;
                    break;
                case MD_TLONG:
                    *pval = *(target_long *)ptr;
                    break;
                default:
                    *pval = 0;
                    break;
                }
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            }
            return 0;
        }
    }
    return -1;
}

static void next(void)
{
    if (pch != '\0') {
        pch++;
        while (isspace(*pch))
            pch++;
    }
}
bellard authored
1692
static target_long expr_sum(void);
1693
bellard authored
1694
static target_long expr_unary(void)
1695
{
bellard authored
1696
    target_long n;
1697
    char *p;
bellard authored
1698
    int ret;
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    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;
bellard authored
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    case '\'':
        pch++;
        if (*pch == '\0')
            expr_error("character constant expected");
        n = *pch;
        pch++;
        if (*pch != '\'')
            expr_error("missing terminating \' character");
        next();
        break;
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    case '$':
        {
            char buf[128], *q;

            pch++;
            q = buf;
            while ((*pch >= 'a' && *pch <= 'z') ||
                   (*pch >= 'A' && *pch <= 'Z') ||
                   (*pch >= '0' && *pch <= '9') ||
1740
                   *pch == '_' || *pch == '.') {
1741
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                if ((q - buf) < sizeof(buf) - 1)
                    *q++ = *pch;
                pch++;
            }
            while (isspace(*pch))
                pch++;
            *q = 0;
bellard authored
1748
1749
            ret = get_monitor_def(&n, buf);
            if (ret == -1)
1750
                expr_error("unknown register");
bellard authored
1751
1752
            else if (ret == -2) 
                expr_error("no cpu defined");
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1754
1755
1756
1757
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1759
        }
        break;
    case '\0':
        expr_error("unexpected end of expression");
        n = 0;
        break;
    default:
bellard authored
1760
1761
1762
#if TARGET_LONG_BITS == 64
        n = strtoull(pch, &p, 0);
#else
1763
        n = strtoul(pch, &p, 0);
bellard authored
1764
#endif
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        if (pch == p) {
            expr_error("invalid char in expression");
        }
        pch = p;
        while (isspace(*pch))
            pch++;
        break;
    }
    return n;
}
bellard authored
1777
static target_long expr_prod(void)
1778
{
bellard authored
1779
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    target_long val, val2;
    int op;
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    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) 
bellard authored
1797
                expr_error("division by zero");
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            if (op == '/')
                val /= val2;
            else
                val %= val2;
            break;
        }
    }
    return val;
}
bellard authored
1808
static target_long expr_logic(void)
1809
{
bellard authored
1810
1811
    target_long val, val2;
    int op;
1812
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1832
1833
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1835

    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;
}
bellard authored
1836
static target_long expr_sum(void)
1837
{
bellard authored
1838
1839
    target_long val, val2;
    int op;
1840
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1851
1852
1853
1854
1855

    val = expr_logic();
    for(;;) {
        op = *pch;
        if (op != '+' && op != '-')
            break;
        next();
        val2 = expr_logic();
        if (op == '+')
            val += val2;
        else
            val -= val2;
    }
    return val;
}
bellard authored
1856
static int get_expr(target_long *pval, const char **pp)
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1871
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{
    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;
bellard authored
1876
    q = buf;
1877
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1881
    p = *pp;
    while (isspace(*p))
        p++;
    if (*p == '\0') {
    fail:
bellard authored
1882
        *q = '\0';
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        *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 != '\"') {
bellard authored
1918
            qemu_printf("unterminated string\n");
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
            goto fail;
        }
        p++;
    } else {
        while (*p != '\0' && !isspace(*p)) {
            if ((q - buf) < buf_size - 1) {
                *q++ = *p;
            }
            p++;
        }
    }
bellard authored
1930
    *q = '\0';
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1939
    *pp = p;
    return 0;
}

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

#define MAX_ARGS 16
1940
static void monitor_handle_command(const char *cmdline)
1941
1942
1943
1944
{
    const char *p, *pstart, *typestr;
    char *q;
    int c, nb_args, len, i, has_arg;
bellard authored
1945
    term_cmd_t *cmd;
1946
1947
1948
1949
    char cmdname[256];
    char buf[1024];
    void *str_allocated[MAX_ARGS];
    void *args[MAX_ARGS];
bellard authored
1950
1951
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1953
1954

#ifdef DEBUG
    term_printf("command='%s'\n", cmdline);
#endif
1955
    /* extract the command name */
bellard authored
1956
    p = cmdline;
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1968
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1970
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    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;
bellard authored
1986
    for(;;) {
1987
1988
        c = *typestr;
        if (c == '\0')
bellard authored
1989
            break;
1990
1991
1992
        typestr++;
        switch(c) {
        case 'F':
bellard authored
1993
        case 'B':
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
        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) {
bellard authored
2011
2012
                    switch(c) {
                    case 'F':
2013
                        term_printf("%s: filename expected\n", cmdname);
bellard authored
2014
2015
2016
2017
2018
                        break;
                    case 'B':
                        term_printf("%s: block device name expected\n", cmdname);
                        break;
                    default:
2019
                        term_printf("%s: string expected\n", cmdname);
bellard authored
2020
2021
                        break;
                    }
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
                    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;
            }
bellard authored
2035
            break;
2036
2037
2038
2039
2040
2041
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2050
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2087
2088
2089
2090
2091
2092
        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;
2093
2094
2095
2096
2097
                    if (format != 'i') {
                        /* for 'i', not specifying a size gives -1 as size */
                        if (size < 0)
                            size = default_fmt_size;
                    }
2098
2099
2100
2101
2102
                    default_fmt_size = size;
                    default_fmt_format = format;
                } else {
                    count = 1;
                    format = default_fmt_format;
2103
2104
2105
2106
2107
                    if (format != 'i') {
                        size = default_fmt_size;
                    } else {
                        size = -1;
                    }
2108
2109
2110
                }
                if (nb_args + 3 > MAX_ARGS)
                    goto error_args;
2111
2112
2113
                args[nb_args++] = (void*)(long)count;
                args[nb_args++] = (void*)(long)format;
                args[nb_args++] = (void*)(long)size;
2114
            }
bellard authored
2115
            break;
2116
        case 'i':
bellard authored
2117
        case 'l':
2118
            {
bellard authored
2119
                target_long val;
2120
2121
                while (isspace(*p)) 
                    p++;
bellard authored
2122
2123
2124
2125
2126
2127
2128
2129
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2134
2135
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2137
                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;
                        }
                    }
bellard authored
2138
                    typestr++;
2139
2140
                    if (nb_args >= MAX_ARGS)
                        goto error_args;
2141
                    args[nb_args++] = (void *)(long)has_arg;
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
                    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:
bellard authored
2152
2153
2154
                if (c == 'i') {
                    if (nb_args >= MAX_ARGS)
                        goto error_args;
2155
                    args[nb_args++] = (void *)(long)val;
bellard authored
2156
2157
2158
2159
                } else {
                    if ((nb_args + 1) >= MAX_ARGS)
                        goto error_args;
#if TARGET_LONG_BITS == 64
2160
                    args[nb_args++] = (void *)(long)((val >> 32) & 0xffffffff);
bellard authored
2161
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2163
#else
                    args[nb_args++] = (void *)0;
#endif
2164
                    args[nb_args++] = (void *)(long)(val & 0xffffffff);
bellard authored
2165
                }
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            }
            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;
2191
                args[nb_args++] = (void *)(long)has_option;
2192
2193
2194
2195
2196
2197
2198
            }
            break;
        default:
        bad_type:
            term_printf("%s: unknown type '%c'\n", cmdname, c);
            goto fail;
        }
bellard authored
2199
    }
2200
2201
2202
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2205
2206
    /* 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;
bellard authored
2207
    }
2208
2209
2210
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2220
2221
2222
2223
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2227

    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;
bellard authored
2228
2229
2230
    case 6:
        cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
        break;
2231
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2233
    case 7:
        cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
        break;
2234
2235
2236
    default:
        term_printf("unsupported number of arguments: %d\n", nb_args);
        goto fail;
bellard authored
2237
    }
2238
2239
2240
 fail:
    for(i = 0; i < MAX_ARGS; i++)
        qemu_free(str_allocated[i]);
bellard authored
2241
2242
2243
    return;
}
bellard authored
2244
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2250
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2353
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;
}
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void readline_find_completion(const char *cmdline)
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{
    const char *cmdname;
    char *args[MAX_ARGS];
    int nb_args, i, len;
    const char *ptype, *str;
    term_cmd_t *cmd;
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    const KeyDef *key;
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    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;
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        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);
                }
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            } else if (!strcmp(cmd->name, "sendkey")) {
                completion_index = strlen(str);
                for(key = key_defs; key->name != NULL; key++) {
                    cmd_completion(str, key->name);
                }
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            }
            break;
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        default:
            break;
        }
    }
    for(i = 0; i < nb_args; i++)
        qemu_free(args[i]);
}
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static int term_can_read(void *opaque)
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{
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    return 128;
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}
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static void term_read(void *opaque, const uint8_t *buf, int size)
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{
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    int i;
    for(i = 0; i < size; i++)
        readline_handle_byte(buf[i]);
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}
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static void monitor_start_input(void);
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static void monitor_handle_command1(void *opaque, const char *cmdline)
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{
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    monitor_handle_command(cmdline);
    monitor_start_input();
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}
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static void monitor_start_input(void)
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{
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    readline_start("(qemu) ", 0, monitor_handle_command1, NULL);
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}
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static void term_event(void *opaque, int event)
{
    if (event != CHR_EVENT_RESET)
	return;

    if (!hide_banner)
	    term_printf("QEMU %s monitor - type 'help' for more information\n",
			QEMU_VERSION);
    monitor_start_input();
}
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static int is_first_init = 1;
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void monitor_init(CharDriverState *hd, int show_banner)
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{
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    int i;

    if (is_first_init) {
        for (i = 0; i < MAX_MON; i++) {
            monitor_hd[i] = NULL;
        }
        is_first_init = 0;
    }
    for (i = 0; i < MAX_MON; i++) {
        if (monitor_hd[i] == NULL) {
            monitor_hd[i] = hd;
            break;
        }
    }
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    hide_banner = !show_banner;
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    qemu_chr_add_handlers(hd, term_can_read, term_read, term_event, NULL);
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}
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/* 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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static void monitor_readline_cb(void *opaque, const char *input)
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{
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    pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input);
    monitor_readline_started = 0;
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}
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void monitor_readline(const char *prompt, int is_password,
                      char *buf, int buf_size)
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{
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    int i;
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    if (is_password) {
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        for (i = 0; i < MAX_MON; i++)
            if (monitor_hd[i] && monitor_hd[i]->focus == 0)
                qemu_chr_send_event(monitor_hd[i], CHR_EVENT_FOCUS);
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    }
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    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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    }
}