Embedded PowerPC Device Control Registers infrastructure.
[qemu] / vl.c
diff --git a/vl.c b/vl.c
index b3e07ac..853b891 100644 (file)
--- a/vl.c
+++ b/vl.c
@@ -1,7 +1,7 @@
 /*
  * QEMU System Emulator
  * 
- * Copyright (c) 2003-2006 Fabrice Bellard
+ * Copyright (c) 2003-2007 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
 #include <malloc.h>
 #include <linux/rtc.h>
 #include <linux/ppdev.h>
+#include <linux/parport.h>
+#else
+#include <sys/stat.h>
+#include <sys/ethernet.h>
+#include <sys/sockio.h>
+#include <arpa/inet.h>
+#include <netinet/arp.h>
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/ip.h>
+#include <netinet/ip_icmp.h> // must come after ip.h
+#include <netinet/udp.h>
+#include <netinet/tcp.h>
+#include <net/if.h>
+#include <syslog.h>
+#include <stropts.h>
 #endif
 #endif
 #endif
 #include "exec-all.h"
 
 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
+#ifdef __sun__
+#define SMBD_COMMAND "/usr/sfw/sbin/smbd"
+#else
+#define SMBD_COMMAND "/usr/sbin/smbd"
+#endif
 
 //#define DEBUG_UNUSED_IOPORT
 //#define DEBUG_IOPORT
 /* XXX: use a two level table to limit memory usage */
 #define MAX_IOPORTS 65536
 
-#define DISK_OPTIONS_SIZE 256
-
 const char *bios_dir = CONFIG_QEMU_SHAREDIR;
 char phys_ram_file[1024];
 void *ioport_opaque[MAX_IOPORTS];
@@ -119,13 +138,10 @@ IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS];
 /* Note: bs_table[MAX_DISKS] is a dummy block driver if none available
    to store the VM snapshots */
 BlockDriverState *bs_table[MAX_DISKS + 1], *fd_table[MAX_FD];
+BlockDriverState *sd_bdrv;
 /* point to the block driver where the snapshots are managed */
 BlockDriverState *bs_snapshots;
-BlockDriverState *bs_scsi_table[MAX_SCSI_DISKS];
-SCSIDiskInfo scsi_disks_info[MAX_SCSI_DISKS];
-int scsi_hba_lsi; /* Count of scsi disks/cdrom using this lsi adapter */
 int vga_ram_size;
-int bios_size;
 static DisplayState display_state;
 int nographic;
 const char* keyboard_layout = NULL;
@@ -139,6 +155,7 @@ QEMUTimer *gui_timer;
 int vm_running;
 int rtc_utc = 1;
 int cirrus_vga_enabled = 1;
+int vmsvga_enabled = 0;
 #ifdef TARGET_SPARC
 int graphic_width = 1024;
 int graphic_height = 768;
@@ -148,6 +165,7 @@ int graphic_height = 600;
 #endif
 int graphic_depth = 15;
 int full_screen = 0;
+int no_frame = 0;
 int no_quit = 0;
 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
@@ -169,6 +187,11 @@ int acpi_enabled = 1;
 int fd_bootchk = 1;
 int no_reboot = 0;
 int daemonize = 0;
+const char *option_rom[MAX_OPTION_ROMS];
+int nb_option_roms;
+int semihosting_enabled = 0;
+int autostart = 1;
+const char *qemu_name;
 
 /***********************************************************/
 /* x86 ISA bus support */
@@ -179,7 +202,7 @@ PicState2 *isa_pic;
 uint32_t default_ioport_readb(void *opaque, uint32_t address)
 {
 #ifdef DEBUG_UNUSED_IOPORT
-    fprintf(stderr, "inb: port=0x%04x\n", address);
+    fprintf(stderr, "unused inb: port=0x%04x\n", address);
 #endif
     return 0xff;
 }
@@ -187,7 +210,7 @@ uint32_t default_ioport_readb(void *opaque, uint32_t address)
 void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
 {
 #ifdef DEBUG_UNUSED_IOPORT
-    fprintf(stderr, "outb: port=0x%04x data=0x%02x\n", address, data);
+    fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data);
 #endif
 }
 
@@ -211,7 +234,7 @@ void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
 uint32_t default_ioport_readl(void *opaque, uint32_t address)
 {
 #ifdef DEBUG_UNUSED_IOPORT
-    fprintf(stderr, "inl: port=0x%04x\n", address);
+    fprintf(stderr, "unused inl: port=0x%04x\n", address);
 #endif
     return 0xffffffff;
 }
@@ -219,7 +242,7 @@ uint32_t default_ioport_readl(void *opaque, uint32_t address)
 void default_ioport_writel(void *opaque, uint32_t address, uint32_t data)
 {
 #ifdef DEBUG_UNUSED_IOPORT
-    fprintf(stderr, "outl: port=0x%04x data=0x%02x\n", address, data);
+    fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data);
 #endif
 }
 
@@ -281,7 +304,7 @@ int register_ioport_write(int start, int length, int size,
     for(i = start; i < start + length; i += size) {
         ioport_write_table[bsize][i] = func;
         if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque)
-            hw_error("register_ioport_read: invalid opaque");
+            hw_error("register_ioport_write: invalid opaque");
         ioport_opaque[i] = opaque;
     }
     return 0;
@@ -304,49 +327,6 @@ void isa_unassign_ioport(int start, int length)
 
 /***********************************************************/
 
-void pstrcpy(char *buf, int buf_size, const char *str)
-{
-    int c;
-    char *q = buf;
-
-    if (buf_size <= 0)
-        return;
-
-    for(;;) {
-        c = *str++;
-        if (c == 0 || q >= buf + buf_size - 1)
-            break;
-        *q++ = c;
-    }
-    *q = '\0';
-}
-
-/* strcat and truncate. */
-char *pstrcat(char *buf, int buf_size, const char *s)
-{
-    int len;
-    len = strlen(buf);
-    if (len < buf_size) 
-        pstrcpy(buf + len, buf_size - len, s);
-    return buf;
-}
-
-int strstart(const char *str, const char *val, const char **ptr)
-{
-    const char *p, *q;
-    p = str;
-    q = val;
-    while (*q != '\0') {
-        if (*p != *q)
-            return 0;
-        p++;
-        q++;
-    }
-    if (ptr)
-        *ptr = p;
-    return 1;
-}
-
 void cpu_outb(CPUState *env, int addr, int val)
 {
 #ifdef DEBUG_IOPORT
@@ -458,9 +438,8 @@ void hw_error(const char *fmt, ...)
 
 static QEMUPutKBDEvent *qemu_put_kbd_event;
 static void *qemu_put_kbd_event_opaque;
-static QEMUPutMouseEvent *qemu_put_mouse_event;
-static void *qemu_put_mouse_event_opaque;
-static int qemu_put_mouse_event_absolute;
+static QEMUPutMouseEntry *qemu_put_mouse_event_head;
+static QEMUPutMouseEntry *qemu_put_mouse_event_current;
 
 void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
 {
@@ -468,11 +447,68 @@ void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
     qemu_put_kbd_event = func;
 }
 
-void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque, int absolute)
+QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
+                                                void *opaque, int absolute,
+                                                const char *name)
 {
-    qemu_put_mouse_event_opaque = opaque;
-    qemu_put_mouse_event = func;
-    qemu_put_mouse_event_absolute = absolute;
+    QEMUPutMouseEntry *s, *cursor;
+
+    s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
+    if (!s)
+        return NULL;
+
+    s->qemu_put_mouse_event = func;
+    s->qemu_put_mouse_event_opaque = opaque;
+    s->qemu_put_mouse_event_absolute = absolute;
+    s->qemu_put_mouse_event_name = qemu_strdup(name);
+    s->next = NULL;
+
+    if (!qemu_put_mouse_event_head) {
+        qemu_put_mouse_event_head = qemu_put_mouse_event_current = s;
+        return s;
+    }
+
+    cursor = qemu_put_mouse_event_head;
+    while (cursor->next != NULL)
+        cursor = cursor->next;
+
+    cursor->next = s;
+    qemu_put_mouse_event_current = s;
+
+    return s;
+}
+
+void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
+{
+    QEMUPutMouseEntry *prev = NULL, *cursor;
+
+    if (!qemu_put_mouse_event_head || entry == NULL)
+        return;
+
+    cursor = qemu_put_mouse_event_head;
+    while (cursor != NULL && cursor != entry) {
+        prev = cursor;
+        cursor = cursor->next;
+    }
+
+    if (cursor == NULL) // does not exist or list empty
+        return;
+    else if (prev == NULL) { // entry is head
+        qemu_put_mouse_event_head = cursor->next;
+        if (qemu_put_mouse_event_current == entry)
+            qemu_put_mouse_event_current = cursor->next;
+        qemu_free(entry->qemu_put_mouse_event_name);
+        qemu_free(entry);
+        return;
+    }
+
+    prev->next = entry->next;
+
+    if (qemu_put_mouse_event_current == entry)
+        qemu_put_mouse_event_current = prev;
+
+    qemu_free(entry->qemu_put_mouse_event_name);
+    qemu_free(entry);
 }
 
 void kbd_put_keycode(int keycode)
@@ -484,15 +520,76 @@ void kbd_put_keycode(int keycode)
 
 void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
 {
-    if (qemu_put_mouse_event) {
-        qemu_put_mouse_event(qemu_put_mouse_event_opaque, 
-                             dx, dy, dz, buttons_state);
+    QEMUPutMouseEvent *mouse_event;
+    void *mouse_event_opaque;
+
+    if (!qemu_put_mouse_event_current) {
+        return;
+    }
+
+    mouse_event =
+        qemu_put_mouse_event_current->qemu_put_mouse_event;
+    mouse_event_opaque =
+        qemu_put_mouse_event_current->qemu_put_mouse_event_opaque;
+
+    if (mouse_event) {
+        mouse_event(mouse_event_opaque, dx, dy, dz, buttons_state);
     }
 }
 
 int kbd_mouse_is_absolute(void)
 {
-    return qemu_put_mouse_event_absolute;
+    if (!qemu_put_mouse_event_current)
+        return 0;
+
+    return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute;
+}
+
+void (*kbd_mouse_set)(int x, int y, int on) = NULL;
+void (*kbd_cursor_define)(int width, int height, int bpp, int hot_x, int hot_y,
+                          uint8_t *image, uint8_t *mask) = NULL;
+
+void do_info_mice(void)
+{
+    QEMUPutMouseEntry *cursor;
+    int index = 0;
+
+    if (!qemu_put_mouse_event_head) {
+        term_printf("No mouse devices connected\n");
+        return;
+    }
+
+    term_printf("Mouse devices available:\n");
+    cursor = qemu_put_mouse_event_head;
+    while (cursor != NULL) {
+        term_printf("%c Mouse #%d: %s\n",
+                    (cursor == qemu_put_mouse_event_current ? '*' : ' '),
+                    index, cursor->qemu_put_mouse_event_name);
+        index++;
+        cursor = cursor->next;
+    }
+}
+
+void do_mouse_set(int index)
+{
+    QEMUPutMouseEntry *cursor;
+    int i = 0;
+
+    if (!qemu_put_mouse_event_head) {
+        term_printf("No mouse devices connected\n");
+        return;
+    }
+
+    cursor = qemu_put_mouse_event_head;
+    while (cursor != NULL && index != i) {
+        i++;
+        cursor = cursor->next;
+    }
+
+    if (cursor != NULL)
+        qemu_put_mouse_event_current = cursor;
+    else
+        term_printf("Mouse at given index not found\n");
 }
 
 /* compute with 96 bit intermediate result: (a*b)/c */
@@ -1045,6 +1142,29 @@ void quit_timers(void)
 /***********************************************************/
 /* character device */
 
+static void qemu_chr_event(CharDriverState *s, int event)
+{
+    if (!s->chr_event)
+        return;
+    s->chr_event(s->handler_opaque, event);
+}
+
+static void qemu_chr_reset_bh(void *opaque)
+{
+    CharDriverState *s = opaque;
+    qemu_chr_event(s, CHR_EVENT_RESET);
+    qemu_bh_delete(s->bh);
+    s->bh = NULL;
+}
+
+void qemu_chr_reset(CharDriverState *s)
+{
+    if (s->bh == NULL) {
+       s->bh = qemu_bh_new(qemu_chr_reset_bh, s);
+       qemu_bh_schedule(s->bh);
+    }
+}
+
 int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len)
 {
     return s->chr_write(s, buf, len);
@@ -1057,6 +1177,19 @@ int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg)
     return s->chr_ioctl(s, cmd, arg);
 }
 
+int qemu_chr_can_read(CharDriverState *s)
+{
+    if (!s->chr_can_read)
+        return 0;
+    return s->chr_can_read(s->handler_opaque);
+}
+
+void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len)
+{
+    s->chr_read(s->handler_opaque, buf, len);
+}
+
+
 void qemu_chr_printf(CharDriverState *s, const char *fmt, ...)
 {
     char buf[4096];
@@ -1073,41 +1206,248 @@ void qemu_chr_send_event(CharDriverState *s, int event)
         s->chr_send_event(s, event);
 }
 
-void qemu_chr_add_read_handler(CharDriverState *s, 
-                               IOCanRWHandler *fd_can_read, 
-                               IOReadHandler *fd_read, void *opaque)
+void qemu_chr_add_handlers(CharDriverState *s, 
+                           IOCanRWHandler *fd_can_read, 
+                           IOReadHandler *fd_read,
+                           IOEventHandler *fd_event,
+                           void *opaque)
 {
-    s->chr_add_read_handler(s, fd_can_read, fd_read, opaque);
+    s->chr_can_read = fd_can_read;
+    s->chr_read = fd_read;
+    s->chr_event = fd_event;
+    s->handler_opaque = opaque;
+    if (s->chr_update_read_handler)
+        s->chr_update_read_handler(s);
 }
              
-void qemu_chr_add_event_handler(CharDriverState *s, IOEventHandler *chr_event)
+static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
 {
-    s->chr_event = chr_event;
+    return len;
 }
 
-static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
+static CharDriverState *qemu_chr_open_null(void)
 {
-    return len;
+    CharDriverState *chr;
+
+    chr = qemu_mallocz(sizeof(CharDriverState));
+    if (!chr)
+        return NULL;
+    chr->chr_write = null_chr_write;
+    return chr;
+}
+
+/* MUX driver for serial I/O splitting */
+static int term_timestamps;
+static int64_t term_timestamps_start;
+#define MAX_MUX 4
+typedef struct {
+    IOCanRWHandler *chr_can_read[MAX_MUX];
+    IOReadHandler *chr_read[MAX_MUX];
+    IOEventHandler *chr_event[MAX_MUX];
+    void *ext_opaque[MAX_MUX];
+    CharDriverState *drv;
+    int mux_cnt;
+    int term_got_escape;
+    int max_size;
+} MuxDriver;
+
+
+static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
+{
+    MuxDriver *d = chr->opaque;
+    int ret;
+    if (!term_timestamps) {
+        ret = d->drv->chr_write(d->drv, buf, len);
+    } else {
+        int i;
+
+        ret = 0;
+        for(i = 0; i < len; i++) {
+            ret += d->drv->chr_write(d->drv, buf+i, 1);
+            if (buf[i] == '\n') {
+                char buf1[64];
+                int64_t ti;
+                int secs;
+
+                ti = get_clock();
+                if (term_timestamps_start == -1)
+                    term_timestamps_start = ti;
+                ti -= term_timestamps_start;
+                secs = ti / 1000000000;
+                snprintf(buf1, sizeof(buf1),
+                         "[%02d:%02d:%02d.%03d] ",
+                         secs / 3600,
+                         (secs / 60) % 60,
+                         secs % 60,
+                         (int)((ti / 1000000) % 1000));
+                d->drv->chr_write(d->drv, buf1, strlen(buf1));
+            }
+        }
+    }
+    return ret;
 }
 
-static void null_chr_add_read_handler(CharDriverState *chr, 
-                                    IOCanRWHandler *fd_can_read, 
-                                    IOReadHandler *fd_read, void *opaque)
+static char *mux_help[] = {
+    "% h    print this help\n\r",
+    "% x    exit emulator\n\r",
+    "% s    save disk data back to file (if -snapshot)\n\r",
+    "% t    toggle console timestamps\n\r"
+    "% b    send break (magic sysrq)\n\r",
+    "% c    switch between console and monitor\n\r",
+    "% %  sends %\n\r",
+    NULL
+};
+
+static int term_escape_char = 0x01; /* ctrl-a is used for escape */
+static void mux_print_help(CharDriverState *chr)
 {
+    int i, j;
+    char ebuf[15] = "Escape-Char";
+    char cbuf[50] = "\n\r";
+
+    if (term_escape_char > 0 && term_escape_char < 26) {
+        sprintf(cbuf,"\n\r");
+        sprintf(ebuf,"C-%c", term_escape_char - 1 + 'a');
+    } else {
+        sprintf(cbuf,"\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r", term_escape_char);
+    }
+    chr->chr_write(chr, cbuf, strlen(cbuf));
+    for (i = 0; mux_help[i] != NULL; i++) {
+        for (j=0; mux_help[i][j] != '\0'; j++) {
+            if (mux_help[i][j] == '%')
+                chr->chr_write(chr, ebuf, strlen(ebuf));
+            else
+                chr->chr_write(chr, &mux_help[i][j], 1);
+        }
+    }
 }
 
-CharDriverState *qemu_chr_open_null(void)
+static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch)
+{
+    if (d->term_got_escape) {
+        d->term_got_escape = 0;
+        if (ch == term_escape_char)
+            goto send_char;
+        switch(ch) {
+        case '?':
+        case 'h':
+            mux_print_help(chr);
+            break;
+        case 'x':
+            {
+                 char *term =  "QEMU: Terminated\n\r";
+                 chr->chr_write(chr,term,strlen(term));
+                 exit(0);
+                 break;
+            }
+        case 's':
+            {
+                int i;
+                for (i = 0; i < MAX_DISKS; i++) {
+                    if (bs_table[i])
+                        bdrv_commit(bs_table[i]);
+                }
+            }
+            break;
+        case 'b':
+            if (chr->chr_event)
+                chr->chr_event(chr->opaque, CHR_EVENT_BREAK);
+            break;
+        case 'c':
+            /* Switch to the next registered device */
+            chr->focus++;
+            if (chr->focus >= d->mux_cnt)
+                chr->focus = 0;
+            break;
+       case 't':
+           term_timestamps = !term_timestamps;
+           term_timestamps_start = -1;
+           break;
+        }
+    } else if (ch == term_escape_char) {
+        d->term_got_escape = 1;
+    } else {
+    send_char:
+        return 1;
+    }
+    return 0;
+}
+
+static int mux_chr_can_read(void *opaque)
+{
+    CharDriverState *chr = opaque;
+    MuxDriver *d = chr->opaque;
+    if (d->chr_can_read[chr->focus])
+       return d->chr_can_read[chr->focus](d->ext_opaque[chr->focus]);
+    return 0;
+}
+
+static void mux_chr_read(void *opaque, const uint8_t *buf, int size)
+{
+    CharDriverState *chr = opaque;
+    MuxDriver *d = chr->opaque;
+    int i;
+    for(i = 0; i < size; i++)
+        if (mux_proc_byte(chr, d, buf[i]))
+            d->chr_read[chr->focus](d->ext_opaque[chr->focus], &buf[i], 1);
+}
+
+static void mux_chr_event(void *opaque, int event)
+{
+    CharDriverState *chr = opaque;
+    MuxDriver *d = chr->opaque;
+    int i;
+
+    /* Send the event to all registered listeners */
+    for (i = 0; i < d->mux_cnt; i++)
+        if (d->chr_event[i])
+            d->chr_event[i](d->ext_opaque[i], event);
+}
+
+static void mux_chr_update_read_handler(CharDriverState *chr)
+{
+    MuxDriver *d = chr->opaque;
+
+    if (d->mux_cnt >= MAX_MUX) {
+        fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n");
+        return;
+    }
+    d->ext_opaque[d->mux_cnt] = chr->handler_opaque;
+    d->chr_can_read[d->mux_cnt] = chr->chr_can_read;
+    d->chr_read[d->mux_cnt] = chr->chr_read;
+    d->chr_event[d->mux_cnt] = chr->chr_event;
+    /* Fix up the real driver with mux routines */
+    if (d->mux_cnt == 0) {
+        qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read,
+                              mux_chr_event, chr);
+    }
+    chr->focus = d->mux_cnt;
+    d->mux_cnt++;
+}
+
+CharDriverState *qemu_chr_open_mux(CharDriverState *drv)
 {
     CharDriverState *chr;
+    MuxDriver *d;
 
     chr = qemu_mallocz(sizeof(CharDriverState));
     if (!chr)
         return NULL;
-    chr->chr_write = null_chr_write;
-    chr->chr_add_read_handler = null_chr_add_read_handler;
+    d = qemu_mallocz(sizeof(MuxDriver));
+    if (!d) {
+        free(chr);
+        return NULL;
+    }
+
+    chr->opaque = d;
+    d->drv = drv;
+    chr->focus = -1;
+    chr->chr_write = mux_chr_write;
+    chr->chr_update_read_handler = mux_chr_update_read_handler;
     return chr;
 }
 
+
 #ifdef _WIN32
 
 static void socket_cleanup(void)
@@ -1196,16 +1536,11 @@ void socket_set_nonblock(int fd)
 
 typedef struct {
     int fd_in, fd_out;
-    IOCanRWHandler *fd_can_read; 
-    IOReadHandler *fd_read;
-    void *fd_opaque;
     int max_size;
 } FDCharDriver;
 
-#define STDIO_MAX_CLIENTS 2
-
-static int stdio_nb_clients;
-static CharDriverState *stdio_clients[STDIO_MAX_CLIENTS];
+#define STDIO_MAX_CLIENTS 1
+static int stdio_nb_clients = 0;
 
 static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
 {
@@ -1218,7 +1553,7 @@ static int fd_chr_read_poll(void *opaque)
     CharDriverState *chr = opaque;
     FDCharDriver *s = chr->opaque;
 
-    s->max_size = s->fd_can_read(s->fd_opaque);
+    s->max_size = qemu_chr_can_read(chr);
     return s->max_size;
 }
 
@@ -1241,20 +1576,15 @@ static void fd_chr_read(void *opaque)
         return;
     }
     if (size > 0) {
-        s->fd_read(s->fd_opaque, buf, size);
+        qemu_chr_read(chr, buf, size);
     }
 }
 
-static void fd_chr_add_read_handler(CharDriverState *chr, 
-                                    IOCanRWHandler *fd_can_read, 
-                                    IOReadHandler *fd_read, void *opaque)
+static void fd_chr_update_read_handler(CharDriverState *chr)
 {
     FDCharDriver *s = chr->opaque;
 
     if (s->fd_in >= 0) {
-        s->fd_can_read = fd_can_read;
-        s->fd_read = fd_read;
-        s->fd_opaque = opaque;
         if (nographic && s->fd_in == 0) {
         } else {
             qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll, 
@@ -1264,7 +1594,7 @@ static void fd_chr_add_read_handler(CharDriverState *chr,
 }
 
 /* open a character device to a unix fd */
-CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
+static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
 {
     CharDriverState *chr;
     FDCharDriver *s;
@@ -1281,11 +1611,14 @@ CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
     s->fd_out = fd_out;
     chr->opaque = s;
     chr->chr_write = fd_chr_write;
-    chr->chr_add_read_handler = fd_chr_add_read_handler;
+    chr->chr_update_read_handler = fd_chr_update_read_handler;
+
+    qemu_chr_reset(chr);
+
     return chr;
 }
 
-CharDriverState *qemu_chr_open_file_out(const char *file_out)
+static CharDriverState *qemu_chr_open_file_out(const char *file_out)
 {
     int fd_out;
 
@@ -1295,7 +1628,7 @@ CharDriverState *qemu_chr_open_file_out(const char *file_out)
     return qemu_chr_open_fd(-1, fd_out);
 }
 
-CharDriverState *qemu_chr_open_pipe(const char *filename)
+static CharDriverState *qemu_chr_open_pipe(const char *filename)
 {
     int fd_in, fd_out;
     char filename_in[256], filename_out[256];
@@ -1320,166 +1653,45 @@ CharDriverState *qemu_chr_open_pipe(const char *filename)
 /* for STDIO, we handle the case where several clients use it
    (nographic mode) */
 
-#define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */
-
 #define TERM_FIFO_MAX_SIZE 1
 
-static int term_got_escape, client_index;
 static uint8_t term_fifo[TERM_FIFO_MAX_SIZE];
 static int term_fifo_size;
-static int term_timestamps;
-static int64_t term_timestamps_start;
-
-void term_print_help(void)
-{
-    printf("\n"
-           "C-a h    print this help\n"
-           "C-a x    exit emulator\n"
-           "C-a s    save disk data back to file (if -snapshot)\n"
-           "C-a b    send break (magic sysrq)\n"
-           "C-a t    toggle console timestamps\n"
-           "C-a c    switch between console and monitor\n"
-           "C-a C-a  send C-a\n"
-           );
-}
-
-/* called when a char is received */
-static void stdio_received_byte(int ch)
-{
-    if (term_got_escape) {
-        term_got_escape = 0;
-        switch(ch) {
-        case 'h':
-            term_print_help();
-            break;
-        case 'x':
-            exit(0);
-            break;
-        case 's': 
-            {
-                int i;
-                for (i = 0; i < MAX_DISKS; i++) {
-                    if (bs_table[i])
-                        bdrv_commit(bs_table[i]);
-                }
-            }
-            break;
-        case 'b':
-            if (client_index < stdio_nb_clients) {
-                CharDriverState *chr;
-                FDCharDriver *s;
-
-                chr = stdio_clients[client_index];
-                s = chr->opaque;
-                chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK);
-            }
-            break;
-        case 'c':
-            client_index++;
-            if (client_index >= stdio_nb_clients)
-                client_index = 0;
-            if (client_index == 0) {
-                /* send a new line in the monitor to get the prompt */
-                ch = '\r';
-                goto send_char;
-            }
-            break;
-        case 't':
-            term_timestamps = !term_timestamps;
-            term_timestamps_start = -1;
-            break;
-        case TERM_ESCAPE:
-            goto send_char;
-        }
-    } else if (ch == TERM_ESCAPE) {
-        term_got_escape = 1;
-    } else {
-    send_char:
-        if (client_index < stdio_nb_clients) {
-            uint8_t buf[1];
-            CharDriverState *chr;
-            FDCharDriver *s;
-            
-            chr = stdio_clients[client_index];
-            s = chr->opaque;
-            if (s->fd_can_read(s->fd_opaque) > 0) {
-                buf[0] = ch;
-                s->fd_read(s->fd_opaque, buf, 1);
-            } else if (term_fifo_size == 0) {
-                term_fifo[term_fifo_size++] = ch;
-            }
-        }
-    }
-}
 
 static int stdio_read_poll(void *opaque)
 {
-    CharDriverState *chr;
-    FDCharDriver *s;
+    CharDriverState *chr = opaque;
 
-    if (client_index < stdio_nb_clients) {
-        chr = stdio_clients[client_index];
-        s = chr->opaque;
-        /* try to flush the queue if needed */
-        if (term_fifo_size != 0 && s->fd_can_read(s->fd_opaque) > 0) {
-            s->fd_read(s->fd_opaque, term_fifo, 1);
-            term_fifo_size = 0;
-        }
-        /* see if we can absorb more chars */
-        if (term_fifo_size == 0)
-            return 1;
-        else
-            return 0;
-    } else {
-        return 1;
+    /* try to flush the queue if needed */
+    if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) {
+        qemu_chr_read(chr, term_fifo, 1);
+        term_fifo_size = 0;
     }
+    /* see if we can absorb more chars */
+    if (term_fifo_size == 0)
+        return 1;
+    else
+        return 0;
 }
 
 static void stdio_read(void *opaque)
 {
     int size;
     uint8_t buf[1];
-    
+    CharDriverState *chr = opaque;
+
     size = read(0, buf, 1);
     if (size == 0) {
         /* stdin has been closed. Remove it from the active list.  */
         qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL);
         return;
     }
-    if (size > 0)
-        stdio_received_byte(buf[0]);
-}
-
-static int stdio_write(CharDriverState *chr, const uint8_t *buf, int len)
-{
-    FDCharDriver *s = chr->opaque;
-    if (!term_timestamps) {
-        return unix_write(s->fd_out, buf, len);
-    } else {
-        int i;
-        char buf1[64];
-
-        for(i = 0; i < len; i++) {
-            unix_write(s->fd_out, buf + i, 1);
-            if (buf[i] == '\n') {
-                int64_t ti;
-                int secs;
-
-                ti = get_clock();
-                if (term_timestamps_start == -1)
-                    term_timestamps_start = ti;
-                ti -= term_timestamps_start;
-                secs = ti / 1000000000;
-                snprintf(buf1, sizeof(buf1), 
-                         "[%02d:%02d:%02d.%03d] ",
-                         secs / 3600,
-                         (secs / 60) % 60,
-                         secs % 60,
-                         (int)((ti / 1000000) % 1000));
-                unix_write(s->fd_out, buf1, strlen(buf1));
-            }
+    if (size > 0) {
+        if (qemu_chr_can_read(chr) > 0) {
+            qemu_chr_read(chr, buf, 1);
+        } else if (term_fifo_size == 0) {
+            term_fifo[term_fifo_size++] = buf[0];
         }
-        return len;
     }
 }
 
@@ -1520,33 +1732,22 @@ static void term_init(void)
     fcntl(0, F_SETFL, O_NONBLOCK);
 }
 
-CharDriverState *qemu_chr_open_stdio(void)
+static CharDriverState *qemu_chr_open_stdio(void)
 {
     CharDriverState *chr;
 
-    if (nographic) {
-        if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
-            return NULL;
-        chr = qemu_chr_open_fd(0, 1);
-        chr->chr_write = stdio_write;
-        if (stdio_nb_clients == 0)
-            qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, NULL);
-        client_index = stdio_nb_clients;
-    } else {
-        if (stdio_nb_clients != 0)
-            return NULL;
-        chr = qemu_chr_open_fd(0, 1);
-    }
-    stdio_clients[stdio_nb_clients++] = chr;
-    if (stdio_nb_clients == 1) {
-        /* set the terminal in raw mode */
-        term_init();
-    }
+    if (stdio_nb_clients >= STDIO_MAX_CLIENTS)
+        return NULL;
+    chr = qemu_chr_open_fd(0, 1);
+    qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr);
+    stdio_nb_clients++;
+    term_init();
+
     return chr;
 }
 
 #if defined(__linux__)
-CharDriverState *qemu_chr_open_pty(void)
+static CharDriverState *qemu_chr_open_pty(void)
 {
     struct termios tty;
     char slave_name[1024];
@@ -1685,7 +1886,7 @@ static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg)
     return 0;
 }
 
-CharDriverState *qemu_chr_open_tty(const char *filename)
+static CharDriverState *qemu_chr_open_tty(const char *filename)
 {
     CharDriverState *chr;
     int fd;
@@ -1699,12 +1900,30 @@ CharDriverState *qemu_chr_open_tty(const char *filename)
     if (!chr)
         return NULL;
     chr->chr_ioctl = tty_serial_ioctl;
+    qemu_chr_reset(chr);
     return chr;
 }
 
+typedef struct {
+    int fd;
+    int mode;
+} ParallelCharDriver;
+
+static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode)
+{
+    if (s->mode != mode) {
+       int m = mode;
+        if (ioctl(s->fd, PPSETMODE, &m) < 0)
+            return 0;
+       s->mode = mode;
+    }
+    return 1;
+}
+
 static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
 {
-    int fd = (int)chr->opaque;
+    ParallelCharDriver *drv = chr->opaque;
+    int fd = drv->fd;
     uint8_t b;
 
     switch(cmd) {
@@ -1721,7 +1940,10 @@ static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
     case CHR_IOCTL_PP_READ_CONTROL:
         if (ioctl(fd, PPRCONTROL, &b) < 0)
             return -ENOTSUP;
-        *(uint8_t *)arg = b;
+       /* Linux gives only the lowest bits, and no way to know data
+          direction! For better compatibility set the fixed upper
+          bits. */
+        *(uint8_t *)arg = b | 0xc0;
         break;
     case CHR_IOCTL_PP_WRITE_CONTROL:
         b = *(uint8_t *)arg;
@@ -1733,15 +1955,63 @@ static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
             return -ENOTSUP;
         *(uint8_t *)arg = b;
         break;
+    case CHR_IOCTL_PP_EPP_READ_ADDR:
+       if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
+           struct ParallelIOArg *parg = arg;
+           int n = read(fd, parg->buffer, parg->count);
+           if (n != parg->count) {
+               return -EIO;
+           }
+       }
+        break;
+    case CHR_IOCTL_PP_EPP_READ:
+       if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
+           struct ParallelIOArg *parg = arg;
+           int n = read(fd, parg->buffer, parg->count);
+           if (n != parg->count) {
+               return -EIO;
+           }
+       }
+        break;
+    case CHR_IOCTL_PP_EPP_WRITE_ADDR:
+       if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) {
+           struct ParallelIOArg *parg = arg;
+           int n = write(fd, parg->buffer, parg->count);
+           if (n != parg->count) {
+               return -EIO;
+           }
+       }
+        break;
+    case CHR_IOCTL_PP_EPP_WRITE:
+       if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) {
+           struct ParallelIOArg *parg = arg;
+           int n = write(fd, parg->buffer, parg->count);
+           if (n != parg->count) {
+               return -EIO;
+           }
+       }
+        break;
     default:
         return -ENOTSUP;
     }
     return 0;
 }
 
-CharDriverState *qemu_chr_open_pp(const char *filename)
+static void pp_close(CharDriverState *chr)
+{
+    ParallelCharDriver *drv = chr->opaque;
+    int fd = drv->fd;
+
+    pp_hw_mode(drv, IEEE1284_MODE_COMPAT);
+    ioctl(fd, PPRELEASE);
+    close(fd);
+    qemu_free(drv);
+}
+
+static CharDriverState *qemu_chr_open_pp(const char *filename)
 {
     CharDriverState *chr;
+    ParallelCharDriver *drv;
     int fd;
 
     fd = open(filename, O_RDWR);
@@ -1753,20 +2023,32 @@ CharDriverState *qemu_chr_open_pp(const char *filename)
         return NULL;
     }
 
+    drv = qemu_mallocz(sizeof(ParallelCharDriver));
+    if (!drv) {
+        close(fd);
+        return NULL;
+    }
+    drv->fd = fd;
+    drv->mode = IEEE1284_MODE_COMPAT;
+
     chr = qemu_mallocz(sizeof(CharDriverState));
     if (!chr) {
+       qemu_free(drv);
         close(fd);
         return NULL;
     }
-    chr->opaque = (void *)fd;
     chr->chr_write = null_chr_write;
-    chr->chr_add_read_handler = null_chr_add_read_handler;
     chr->chr_ioctl = pp_ioctl;
+    chr->chr_close = pp_close;
+    chr->opaque = drv;
+
+    qemu_chr_reset(chr);
+
     return chr;
 }
 
 #else
-CharDriverState *qemu_chr_open_pty(void)
+static CharDriverState *qemu_chr_open_pty(void)
 {
     return NULL;
 }
@@ -1776,9 +2058,6 @@ CharDriverState *qemu_chr_open_pty(void)
 
 #ifdef _WIN32
 typedef struct {
-    IOCanRWHandler *fd_can_read; 
-    IOReadHandler *fd_read;
-    void *win_opaque;
     int max_size;
     HANDLE hcom, hrecv, hsend;
     OVERLAPPED orecv, osend;
@@ -1794,8 +2073,10 @@ typedef struct {
 static int win_chr_poll(void *opaque);
 static int win_chr_pipe_poll(void *opaque);
 
-static void win_chr_close2(WinCharState *s)
+static void win_chr_close(CharDriverState *chr)
 {
+    WinCharState *s = chr->opaque;
+
     if (s->hsend) {
         CloseHandle(s->hsend);
         s->hsend = NULL;
@@ -1809,19 +2090,14 @@ static void win_chr_close2(WinCharState *s)
         s->hcom = NULL;
     }
     if (s->fpipe)
-        qemu_del_polling_cb(win_chr_pipe_poll, s);
+        qemu_del_polling_cb(win_chr_pipe_poll, chr);
     else
-        qemu_del_polling_cb(win_chr_poll, s);
+        qemu_del_polling_cb(win_chr_poll, chr);
 }
 
-static void win_chr_close(CharDriverState *chr)
+static int win_chr_init(CharDriverState *chr, const char *filename)
 {
     WinCharState *s = chr->opaque;
-    win_chr_close2(s);
-}
-
-static int win_chr_init(WinCharState *s, const char *filename)
-{
     COMMCONFIG comcfg;
     COMMTIMEOUTS cto = { 0, 0, 0, 0, 0};
     COMSTAT comstat;
@@ -1878,11 +2154,11 @@ static int win_chr_init(WinCharState *s, const char *filename)
         fprintf(stderr, "Failed ClearCommError\n");
         goto fail;
     }
-    qemu_add_polling_cb(win_chr_poll, s);
+    qemu_add_polling_cb(win_chr_poll, chr);
     return 0;
 
  fail:
-    win_chr_close2(s);
+    win_chr_close(chr);
     return -1;
 }
 
@@ -1920,14 +2196,17 @@ static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1)
     return len1 - len;
 }
 
-static int win_chr_read_poll(WinCharState *s)
+static int win_chr_read_poll(CharDriverState *chr)
 {
-    s->max_size = s->fd_can_read(s->win_opaque);
+    WinCharState *s = chr->opaque;
+
+    s->max_size = qemu_chr_can_read(chr);
     return s->max_size;
 }
-            
-static void win_chr_readfile(WinCharState *s)
+
+static void win_chr_readfile(CharDriverState *chr)
 {
+    WinCharState *s = chr->opaque;
     int ret, err;
     uint8_t buf[1024];
     DWORD size;
@@ -1943,48 +2222,40 @@ static void win_chr_readfile(WinCharState *s)
     }
 
     if (size > 0) {
-        s->fd_read(s->win_opaque, buf, size);
+        qemu_chr_read(chr, buf, size);
     }
 }
 
-static void win_chr_read(WinCharState *s)
+static void win_chr_read(CharDriverState *chr)
 {
+    WinCharState *s = chr->opaque;
+
     if (s->len > s->max_size)
         s->len = s->max_size;
     if (s->len == 0)
         return;
     
-    win_chr_readfile(s);
+    win_chr_readfile(chr);
 }
 
 static int win_chr_poll(void *opaque)
 {
-    WinCharState *s = opaque;
+    CharDriverState *chr = opaque;
+    WinCharState *s = chr->opaque;
     COMSTAT status;
     DWORD comerr;
     
     ClearCommError(s->hcom, &comerr, &status);
     if (status.cbInQue > 0) {
         s->len = status.cbInQue;
-        win_chr_read_poll(s);
-        win_chr_read(s);
+        win_chr_read_poll(chr);
+        win_chr_read(chr);
         return 1;
     }
     return 0;
 }
 
-static void win_chr_add_read_handler(CharDriverState *chr, 
-                                    IOCanRWHandler *fd_can_read, 
-                                    IOReadHandler *fd_read, void *opaque)
-{
-    WinCharState *s = chr->opaque;
-
-    s->fd_can_read = fd_can_read;
-    s->fd_read = fd_read;
-    s->win_opaque = opaque;
-}
-
-CharDriverState *qemu_chr_open_win(const char *filename)
+static CharDriverState *qemu_chr_open_win(const char *filename)
 {
     CharDriverState *chr;
     WinCharState *s;
@@ -1999,34 +2270,36 @@ CharDriverState *qemu_chr_open_win(const char *filename)
     }
     chr->opaque = s;
     chr->chr_write = win_chr_write;
-    chr->chr_add_read_handler = win_chr_add_read_handler;
     chr->chr_close = win_chr_close;
 
-    if (win_chr_init(s, filename) < 0) {
+    if (win_chr_init(chr, filename) < 0) {
         free(s);
         free(chr);
         return NULL;
     }
+    qemu_chr_reset(chr);
     return chr;
 }
 
 static int win_chr_pipe_poll(void *opaque)
 {
-    WinCharState *s = opaque;
+    CharDriverState *chr = opaque;
+    WinCharState *s = chr->opaque;
     DWORD size;
 
     PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL);
     if (size > 0) {
         s->len = size;
-        win_chr_read_poll(s);
-        win_chr_read(s);
+        win_chr_read_poll(chr);
+        win_chr_read(chr);
         return 1;
     }
     return 0;
 }
 
-static int win_chr_pipe_init(WinCharState *s, const char *filename)
+static int win_chr_pipe_init(CharDriverState *chr, const char *filename)
 {
+    WinCharState *s = chr->opaque;
     OVERLAPPED ov;
     int ret;
     DWORD size;
@@ -2078,16 +2351,16 @@ static int win_chr_pipe_init(WinCharState *s, const char *filename)
         CloseHandle(ov.hEvent);
         ov.hEvent = NULL;
     }
-    qemu_add_polling_cb(win_chr_pipe_poll, s);
+    qemu_add_polling_cb(win_chr_pipe_poll, chr);
     return 0;
 
  fail:
-    win_chr_close2(s);
+    win_chr_close(chr);
     return -1;
 }
 
 
-CharDriverState *qemu_chr_open_win_pipe(const char *filename)
+static CharDriverState *qemu_chr_open_win_pipe(const char *filename)
 {
     CharDriverState *chr;
     WinCharState *s;
@@ -2102,18 +2375,18 @@ CharDriverState *qemu_chr_open_win_pipe(const char *filename)
     }
     chr->opaque = s;
     chr->chr_write = win_chr_write;
-    chr->chr_add_read_handler = win_chr_add_read_handler;
     chr->chr_close = win_chr_close;
     
-    if (win_chr_pipe_init(s, filename) < 0) {
+    if (win_chr_pipe_init(chr, filename) < 0) {
         free(s);
         free(chr);
         return NULL;
     }
+    qemu_chr_reset(chr);
     return chr;
 }
 
-CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
+static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
 {
     CharDriverState *chr;
     WinCharState *s;
@@ -2129,11 +2402,11 @@ CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
     s->hcom = fd_out;
     chr->opaque = s;
     chr->chr_write = win_chr_write;
-    chr->chr_add_read_handler = win_chr_add_read_handler;
+    qemu_chr_reset(chr);
     return chr;
 }
     
-CharDriverState *qemu_chr_open_win_file_out(const char *file_out)
+static CharDriverState *qemu_chr_open_win_file_out(const char *file_out)
 {
     HANDLE fd_out;
     
@@ -2150,9 +2423,6 @@ CharDriverState *qemu_chr_open_win_file_out(const char *file_out)
 /* UDP Net console */
 
 typedef struct {
-    IOCanRWHandler *fd_can_read;
-    IOReadHandler *fd_read;
-    void *fd_opaque;
     int fd;
     struct sockaddr_in daddr;
     char buf[1024];
@@ -2174,15 +2444,15 @@ static int udp_chr_read_poll(void *opaque)
     CharDriverState *chr = opaque;
     NetCharDriver *s = chr->opaque;
 
-    s->max_size = s->fd_can_read(s->fd_opaque);
+    s->max_size = qemu_chr_can_read(chr);
 
     /* If there were any stray characters in the queue process them
      * first
      */
     while (s->max_size > 0 && s->bufptr < s->bufcnt) {
-        s->fd_read(s->fd_opaque, &s->buf[s->bufptr], 1);
+        qemu_chr_read(chr, &s->buf[s->bufptr], 1);
         s->bufptr++;
-        s->max_size = s->fd_can_read(s->fd_opaque);
+        s->max_size = qemu_chr_can_read(chr);
     }
     return s->max_size;
 }
@@ -2201,34 +2471,31 @@ static void udp_chr_read(void *opaque)
 
     s->bufptr = 0;
     while (s->max_size > 0 && s->bufptr < s->bufcnt) {
-        s->fd_read(s->fd_opaque, &s->buf[s->bufptr], 1);
+        qemu_chr_read(chr, &s->buf[s->bufptr], 1);
         s->bufptr++;
-        s->max_size = s->fd_can_read(s->fd_opaque);
+        s->max_size = qemu_chr_can_read(chr);
     }
 }
 
-static void udp_chr_add_read_handler(CharDriverState *chr,
-                                    IOCanRWHandler *fd_can_read,
-                                    IOReadHandler *fd_read, void *opaque)
+static void udp_chr_update_read_handler(CharDriverState *chr)
 {
     NetCharDriver *s = chr->opaque;
 
     if (s->fd >= 0) {
-        s->fd_can_read = fd_can_read;
-        s->fd_read = fd_read;
-        s->fd_opaque = opaque;
         qemu_set_fd_handler2(s->fd, udp_chr_read_poll,
                              udp_chr_read, NULL, chr);
     }
 }
 
 int parse_host_port(struct sockaddr_in *saddr, const char *str);
-int parse_unix_path(struct sockaddr_un *uaddr, const char *str);
+#ifndef _WIN32
+static int parse_unix_path(struct sockaddr_un *uaddr, const char *str);
+#endif
 int parse_host_src_port(struct sockaddr_in *haddr,
                         struct sockaddr_in *saddr,
                         const char *str);
 
-CharDriverState *qemu_chr_open_udp(const char *def)
+static CharDriverState *qemu_chr_open_udp(const char *def)
 {
     CharDriverState *chr = NULL;
     NetCharDriver *s = NULL;
@@ -2264,7 +2531,7 @@ CharDriverState *qemu_chr_open_udp(const char *def)
     s->bufptr = 0;
     chr->opaque = s;
     chr->chr_write = udp_chr_write;
-    chr->chr_add_read_handler = udp_chr_add_read_handler;
+    chr->chr_update_read_handler = udp_chr_update_read_handler;
     return chr;
 
 return_err:
@@ -2281,13 +2548,11 @@ return_err:
 /* TCP Net console */
 
 typedef struct {
-    IOCanRWHandler *fd_can_read;
-    IOReadHandler *fd_read;
-    void *fd_opaque;
     int fd, listen_fd;
     int connected;
     int max_size;
     int do_telnetopt;
+    int do_nodelay;
     int is_unix;
 } TCPCharDriver;
 
@@ -2310,9 +2575,7 @@ static int tcp_chr_read_poll(void *opaque)
     TCPCharDriver *s = chr->opaque;
     if (!s->connected)
         return 0;
-    if (!s->fd_can_read)
-       return 0;
-    s->max_size = s->fd_can_read(s->fd_opaque);
+    s->max_size = qemu_chr_can_read(chr);
     return s->max_size;
 }
 
@@ -2345,7 +2608,7 @@ static void tcp_chr_process_IAC_bytes(CharDriverState *chr,
             } else {
                 if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) {
                     /* Handle IAC break commands by sending a serial break */
-                    chr->chr_event(s->fd_opaque, CHR_EVENT_BREAK);
+                    qemu_chr_event(chr, CHR_EVENT_BREAK);
                     s->do_telnetopt++;
                 }
                 s->do_telnetopt++;
@@ -2392,19 +2655,8 @@ static void tcp_chr_read(void *opaque)
         if (s->do_telnetopt)
             tcp_chr_process_IAC_bytes(chr, s, buf, &size);
         if (size > 0)
-            s->fd_read(s->fd_opaque, buf, size);
-    }
-}
-
-static void tcp_chr_add_read_handler(CharDriverState *chr,
-                                     IOCanRWHandler *fd_can_read,
-                                    IOReadHandler *fd_read, void *opaque)
-{
-    TCPCharDriver *s = chr->opaque;
-
-    s->fd_can_read = fd_can_read;
-    s->fd_read = fd_read;
-    s->fd_opaque = opaque;
+            qemu_chr_read(chr, buf, size);
+    }
 }
 
 static void tcp_chr_connect(void *opaque)
@@ -2415,6 +2667,7 @@ static void tcp_chr_connect(void *opaque)
     s->connected = 1;
     qemu_set_fd_handler2(s->fd, tcp_chr_read_poll,
                          tcp_chr_read, NULL, chr);
+    qemu_chr_reset(chr);
 }
 
 #define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c;
@@ -2432,6 +2685,12 @@ static void tcp_chr_telnet_init(int fd)
     send(fd, (char *)buf, 3, 0);
 }
 
+static void socket_set_nodelay(int fd)
+{
+    int val = 1;
+    setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
+}
+
 static void tcp_chr_accept(void *opaque)
 {
     CharDriverState *chr = opaque;
@@ -2465,6 +2724,8 @@ static void tcp_chr_accept(void *opaque)
         }
     }
     socket_set_nonblock(fd);
+    if (s->do_nodelay)
+        socket_set_nodelay(fd);
     s->fd = fd;
     qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL);
     tcp_chr_connect(chr);
@@ -2489,6 +2750,7 @@ static CharDriverState *qemu_chr_open_tcp(const char *host_str,
     int fd = -1, ret, err, val;
     int is_listen = 0;
     int is_waitconnect = 1;
+    int do_nodelay = 0;
     const char *ptr;
     struct sockaddr_in saddr;
 #ifndef _WIN32
@@ -2519,6 +2781,8 @@ static CharDriverState *qemu_chr_open_tcp(const char *host_str,
             is_listen = 1;
         } else if (!strncmp(ptr,"nowait",6)) {
             is_waitconnect = 0;
+        } else if (!strncmp(ptr,"nodelay",6)) {
+            do_nodelay = 1;
         } else {
             printf("Unknown option: %s\n", ptr);
             goto fail;
@@ -2551,10 +2815,10 @@ static CharDriverState *qemu_chr_open_tcp(const char *host_str,
     s->fd = -1;
     s->listen_fd = -1;
     s->is_unix = is_unix;
+    s->do_nodelay = do_nodelay && !is_unix;
 
     chr->opaque = s;
     chr->chr_write = tcp_chr_write;
-    chr->chr_add_read_handler = tcp_chr_add_read_handler;
     chr->chr_close = tcp_chr_close;
 
     if (is_listen) {
@@ -2592,6 +2856,10 @@ static CharDriverState *qemu_chr_open_tcp(const char *host_str,
                 if (err == EINTR || err == EWOULDBLOCK) {
                 } else if (err == EINPROGRESS) {
                     break;
+#ifdef _WIN32
+                } else if (err == WSAEALREADY) {
+                    break;
+#endif
                 } else {
                     goto fail;
                 }
@@ -2601,6 +2869,7 @@ static CharDriverState *qemu_chr_open_tcp(const char *host_str,
             }
         }
         s->fd = fd;
+        socket_set_nodelay(fd);
         if (s->connected)
             tcp_chr_connect(chr);
         else
@@ -2640,6 +2909,16 @@ CharDriverState *qemu_chr_open(const char *filename)
     if (strstart(filename, "udp:", &p)) {
         return qemu_chr_open_udp(p);
     } else
+    if (strstart(filename, "mon:", &p)) {
+        CharDriverState *drv = qemu_chr_open(p);
+        if (drv) {
+            drv = qemu_chr_open_mux(drv);
+            monitor_init(drv, !nographic);
+            return drv;
+        }
+        printf("Unable to open driver: %s\n", p);
+        return 0;
+    } else
 #ifndef _WIN32
     if (strstart(filename, "unix:", &p)) {
        return qemu_chr_open_tcp(p, 0, 1);
@@ -2818,7 +3097,8 @@ int parse_host_port(struct sockaddr_in *saddr, const char *str)
     return 0;
 }
 
-int parse_unix_path(struct sockaddr_un *uaddr, const char *str)
+#ifndef _WIN32
+static int parse_unix_path(struct sockaddr_un *uaddr, const char *str)
 {
     const char *p;
     int len;
@@ -2835,6 +3115,7 @@ int parse_unix_path(struct sockaddr_un *uaddr, const char *str)
 
     return 0;
 }
+#endif
 
 /* find or alloc a new VLAN */
 VLANState *qemu_find_vlan(int id)
@@ -3080,8 +3361,8 @@ void net_slirp_smb(const char *exported_dir)
     fclose(f);
     atexit(smb_exit);
 
-    snprintf(smb_cmdline, sizeof(smb_cmdline), "/usr/sbin/smbd -s %s",
-             smb_conf);
+    snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s",
+             SMBD_COMMAND, smb_conf);
     
     slirp_add_exec(0, smb_cmdline, 4, 139);
 }
@@ -3116,7 +3397,15 @@ static void tap_send(void *opaque)
     uint8_t buf[4096];
     int size;
 
+#ifdef __sun__
+    struct strbuf sbuf;
+    int f = 0;
+    sbuf.maxlen = sizeof(buf);
+    sbuf.buf = buf;
+    size = getmsg(s->fd, NULL, &sbuf, &f) >=0 ? sbuf.len : -1;
+#else
     size = read(s->fd, buf, sizeof(buf));
+#endif
     if (size > 0) {
         qemu_send_packet(s->vc, buf, size);
     }
@@ -3159,10 +3448,135 @@ static int tap_open(char *ifname, int ifname_size)
     return fd;
 }
 #elif defined(__sun__)
+#define TUNNEWPPA       (('T'<<16) | 0x0001)
+/* 
+ * Allocate TAP device, returns opened fd. 
+ * Stores dev name in the first arg(must be large enough).
+ */  
+int tap_alloc(char *dev)
+{
+    int tap_fd, if_fd, ppa = -1;
+    static int ip_fd = 0;
+    char *ptr;
+
+    static int arp_fd = 0;
+    int ip_muxid, arp_muxid;
+    struct strioctl  strioc_if, strioc_ppa;
+    int link_type = I_PLINK;;
+    struct lifreq ifr;
+    char actual_name[32] = "";
+
+    memset(&ifr, 0x0, sizeof(ifr));
+
+    if( *dev ){
+       ptr = dev;      
+       while( *ptr && !isdigit((int)*ptr) ) ptr++; 
+       ppa = atoi(ptr);
+    }
+
+    /* Check if IP device was opened */
+    if( ip_fd )
+       close(ip_fd);
+
+    if( (ip_fd = open("/dev/udp", O_RDWR, 0)) < 0){
+       syslog(LOG_ERR, "Can't open /dev/ip (actually /dev/udp)");
+       return -1;
+    }
+
+    if( (tap_fd = open("/dev/tap", O_RDWR, 0)) < 0){
+       syslog(LOG_ERR, "Can't open /dev/tap");
+       return -1;
+    }
+
+    /* Assign a new PPA and get its unit number. */
+    strioc_ppa.ic_cmd = TUNNEWPPA;
+    strioc_ppa.ic_timout = 0;
+    strioc_ppa.ic_len = sizeof(ppa);
+    strioc_ppa.ic_dp = (char *)&ppa;
+    if ((ppa = ioctl (tap_fd, I_STR, &strioc_ppa)) < 0)
+       syslog (LOG_ERR, "Can't assign new interface");
+
+    if( (if_fd = open("/dev/tap", O_RDWR, 0)) < 0){
+       syslog(LOG_ERR, "Can't open /dev/tap (2)");
+       return -1;
+    }
+    if(ioctl(if_fd, I_PUSH, "ip") < 0){
+       syslog(LOG_ERR, "Can't push IP module");
+       return -1;
+    }
+
+    if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0)
+       syslog(LOG_ERR, "Can't get flags\n");
+
+    snprintf (actual_name, 32, "tap%d", ppa);
+    strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name));
+
+    ifr.lifr_ppa = ppa;
+    /* Assign ppa according to the unit number returned by tun device */
+
+    if (ioctl (if_fd, SIOCSLIFNAME, &ifr) < 0)
+        syslog (LOG_ERR, "Can't set PPA %d", ppa);
+    if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0)
+        syslog (LOG_ERR, "Can't get flags\n");
+    /* Push arp module to if_fd */
+    if (ioctl (if_fd, I_PUSH, "arp") < 0)
+        syslog (LOG_ERR, "Can't push ARP module (2)");
+
+    /* Push arp module to ip_fd */
+    if (ioctl (ip_fd, I_POP, NULL) < 0)
+        syslog (LOG_ERR, "I_POP failed\n");
+    if (ioctl (ip_fd, I_PUSH, "arp") < 0)
+        syslog (LOG_ERR, "Can't push ARP module (3)\n");
+    /* Open arp_fd */
+    if ((arp_fd = open ("/dev/tap", O_RDWR, 0)) < 0)
+       syslog (LOG_ERR, "Can't open %s\n", "/dev/tap");
+
+    /* Set ifname to arp */
+    strioc_if.ic_cmd = SIOCSLIFNAME;
+    strioc_if.ic_timout = 0;
+    strioc_if.ic_len = sizeof(ifr);
+    strioc_if.ic_dp = (char *)&ifr;
+    if (ioctl(arp_fd, I_STR, &strioc_if) < 0){
+        syslog (LOG_ERR, "Can't set ifname to arp\n");
+    }
+
+    if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){
+       syslog(LOG_ERR, "Can't link TAP device to IP");
+       return -1;
+    }
+
+    if ((arp_muxid = ioctl (ip_fd, link_type, arp_fd)) < 0)
+        syslog (LOG_ERR, "Can't link TAP device to ARP");
+
+    close (if_fd);
+
+    memset(&ifr, 0x0, sizeof(ifr));
+    strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name));
+    ifr.lifr_ip_muxid  = ip_muxid;
+    ifr.lifr_arp_muxid = arp_muxid;
+
+    if (ioctl (ip_fd, SIOCSLIFMUXID, &ifr) < 0)
+    {
+      ioctl (ip_fd, I_PUNLINK , arp_muxid);
+      ioctl (ip_fd, I_PUNLINK, ip_muxid);
+      syslog (LOG_ERR, "Can't set multiplexor id");
+    }
+
+    sprintf(dev, "tap%d", ppa);
+    return tap_fd;
+}
+
 static int tap_open(char *ifname, int ifname_size)
 {
-    fprintf(stderr, "warning: tap_open not yet implemented\n");
-    return -1;
+    char  dev[10]="";
+    int fd;
+    if( (fd = tap_alloc(dev)) < 0 ){
+       fprintf(stderr, "Cannot allocate TAP device\n");
+       return -1;
+    }
+    pstrcpy(ifname, ifname_size, dev);
+    fcntl(fd, F_SETFL, O_NONBLOCK);
+    return fd;
 }
 #else
 static int tap_open(char *ifname, int ifname_size)
@@ -3210,13 +3624,21 @@ static int net_tap_init(VLANState *vlan, const char *ifname1,
     if (fd < 0)
         return -1;
 
-    if (!setup_script)
+    if (!setup_script || !strcmp(setup_script, "no"))
         setup_script = "";
     if (setup_script[0] != '\0') {
         /* try to launch network init script */
         pid = fork();
         if (pid >= 0) {
             if (pid == 0) {
+                int open_max = sysconf (_SC_OPEN_MAX), i;
+                for (i = 0; i < open_max; i++)
+                    if (i != STDIN_FILENO &&
+                        i != STDOUT_FILENO &&
+                        i != STDERR_FILENO &&
+                        i != fd)
+                        close(i);
+
                 parg = args;
                 *parg++ = (char *)setup_script;
                 *parg++ = ifname;
@@ -3605,6 +4027,10 @@ static int net_socket_connect_init(VLANState *vlan, const char *host_str)
             if (err == EINTR || err == EWOULDBLOCK) {
             } else if (err == EINPROGRESS) {
                 break;
+#ifdef _WIN32
+            } else if (err == WSAEALREADY) {
+                break;
+#endif
             } else {
                 perror("connect");
                 closesocket(fd);
@@ -3691,7 +4117,7 @@ static int get_param_value(char *buf, int buf_size,
     return 0;
 }
 
-int net_client_init(const char *str)
+static int net_client_init(const char *str)
 {
     const char *p;
     char *q;
@@ -3782,7 +4208,9 @@ int net_client_init(const char *str)
             if (net_tap_fd_init(vlan, fd))
                 ret = 0;
         } else {
-            get_param_value(ifname, sizeof(ifname), "ifname", p);
+            if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) {
+                ifname[0] = '\0';
+            }
             if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) {
                 pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT);
             }
@@ -3831,171 +4259,6 @@ void do_info_network(void)
     }
 }
 
-/* Parse IDE and SCSI disk options */
-static int disk_options_init(int num_ide_disks,
-                             char ide_disk_options[][DISK_OPTIONS_SIZE],
-                             int snapshot,
-                             int num_scsi_disks,
-                             char scsi_disk_options[][DISK_OPTIONS_SIZE],
-                             int cdrom_index,
-                             int cyls,
-                             int heads,
-                             int secs,
-                             int translation)
-{
-    char buf[256];
-    char dev_name[64];
-    int id, i, j;
-    int cdrom_device;
-    int ide_cdrom_created = 0;
-    int scsi_index;
-    scsi_host_adapters temp_adapter;
-
-    /* Process any IDE disks/cdroms */
-    for (i=0; i< num_ide_disks; i++) {
-        for (j=0; j<MAX_DISKS; j++) {
-            if (ide_disk_options[j][0] == '\0')
-                continue;
-
-            if (get_param_value(buf, sizeof(buf),"type",ide_disk_options[j])) {
-                if (!strcmp(buf, "disk")) {
-                    cdrom_device = 0;
-                } else if (!strcmp(buf, "cdrom")) {
-                    cdrom_device = 1;
-                    ide_cdrom_created = 1;
-                } else {
-                    fprintf(stderr, "qemu: invalid IDE disk type= value: %s\n", buf);
-                    return -1;
-                }
-            } else {
-                cdrom_device = 0;
-            }
-
-            if (cdrom_device) {
-                snprintf(dev_name, sizeof(dev_name), "cdrom%c", i);
-            } else {
-                snprintf(dev_name, sizeof(dev_name), "hd%c", i + 'a');
-            }
-
-            if (!(get_param_value(buf, sizeof(buf),"img",ide_disk_options[j]))) {
-                fprintf(stderr, "qemu: missing IDE disk img= value.\n");
-                return -1;
-            }
-
-            if (!(bs_table[i] = bdrv_new(dev_name))) {
-                fprintf(stderr, "qemu: unable to create new block device for:%s\n",dev_name);
-                return -1;
-            }
-
-            if (cdrom_device) {
-                bdrv_set_type_hint(bs_table[i], BDRV_TYPE_CDROM);
-            }
-
-            if (bdrv_open(bs_table[i], buf, snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
-                fprintf(stderr, "qemu: could not open hard disk image: '%s'\n",
-                        buf);
-                return -1;
-            }
-            if (i == 0 && cyls != 0) {
-                bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs);
-                bdrv_set_translation_hint(bs_table[i], translation);
-            }
-            ide_disk_options[j][0] = '\0';
-
-            if (i == cdrom_index) {
-                cdrom_index = -1;
-            }
-            break; /* finished with this IDE device*/
-        }
-    }
-
-    if (cdrom_index >= 0 && (!ide_cdrom_created)) {
-        bs_table[cdrom_index] = bdrv_new("cdrom");
-        bdrv_set_type_hint(bs_table[cdrom_index], BDRV_TYPE_CDROM);
-    }
-
-    for(i = 0; i < num_scsi_disks; i++) {
-
-        temp_adapter = SCSI_LSI_53C895A;
-        scsi_hba_lsi++;
-
-        /*Check for sdx= parameter */
-        if (get_param_value(buf, sizeof(buf), "sdx", scsi_disk_options[i])) {
-            if (buf[0] >= 'a' && buf[0] <= 'g') {
-                scsi_index = buf[0] - 'a';
-            } else{
-                fprintf(stderr, "qemu: sdx= option for SCSI must be one letter from a-g. %s \n",buf);
-                exit(1);
-            }
-        } else {
-             scsi_index = 0;
-        }
-
-        /* Check for SCSI id specified. */
-        if (get_param_value(buf, sizeof(buf),"id",scsi_disk_options[i])) {
-            id = strtol(buf, NULL, 0);
-            if (id < 0 || id > 6) {
-                fprintf(stderr, "qemu: SCSI id must be from 0-6: %d\n", id);
-                return -1;
-            }
-            /* Check if id already used */
-            for(j = 0; j < MAX_SCSI_DISKS; j++) {
-                if (scsi_disks_info[j].device_type != SCSI_NONE &&
-                    j != i &&
-                    scsi_disks_info[j].adapter == temp_adapter &&
-                    scsi_disks_info[j].id == id  ) {
-                    fprintf(stderr, "qemu: SCSI id already used: %u\n", id);
-                    return -1;
-                }
-            }
-        } else {
-            id = -1;
-        }
-        scsi_disks_info[i].adapter = temp_adapter;
-        scsi_disks_info[i].id = id;
-
-        if (get_param_value(buf, sizeof(buf),"type",scsi_disk_options[i])) {
-            if (!strcmp(buf, "disk")) {
-                cdrom_device = 0;
-            } else if (!strcmp(buf, "cdrom")) {
-                cdrom_device = 1;
-            } else {
-                fprintf(stderr, "qemu: invalid SCSI disk type= value: %s\n", buf);
-                return -1;
-            }
-        } else {
-            cdrom_device = 0;
-        }
-
-        if (cdrom_device) {
-            snprintf(dev_name, sizeof(buf), "cdrom%c", scsi_index);
-            scsi_disks_info[scsi_index].device_type = SCSI_CDROM;
-        } else {
-            snprintf(dev_name, sizeof(buf), "sd%c", scsi_index + 'a');
-            scsi_disks_info[scsi_index].device_type = SCSI_DISK;
-        }
-
-        if (!(bs_scsi_table[scsi_index] = bdrv_new(dev_name))) {
-            fprintf(stderr, "qemu: unable to create new block device for:%s\n",dev_name);
-            return -1;
-        }
-
-        /* Get image filename from options and then try to open it */
-        if (get_param_value(buf, sizeof(buf),"img",scsi_disk_options[i])) {
-            if (bdrv_open(bs_scsi_table[scsi_index], buf, 0) < 0) {
-                fprintf(stderr, "qemu: could not open SCSI disk image img='%s'\n",buf);
-                return -1;
-            }
-        } else {
-            fprintf(stderr, "qemu: SCSI disk image not specified for sd%c \n", i + 'a');
-            return -1;
-        }
-    }
-
-    return 0;
-}
-
-
 /***********************************************************/
 /* USB devices */
 
@@ -4147,46 +4410,6 @@ void usb_info(void)
 }
 
 /***********************************************************/
-/* pid file */
-
-static char *pid_filename;
-
-/* Remove PID file. Called on normal exit */
-
-static void remove_pidfile(void) 
-{
-    unlink (pid_filename);
-}
-
-static void create_pidfile(const char *filename)
-{
-    struct stat pidstat;
-    FILE *f;
-
-    /* Try to write our PID to the named file */
-    if (stat(filename, &pidstat) < 0) {
-        if (errno == ENOENT) {
-            if ((f = fopen (filename, "w")) == NULL) {
-                perror("Opening pidfile");
-                exit(1);
-            }
-            fprintf(f, "%d\n", getpid());
-            fclose(f);
-            pid_filename = qemu_strdup(filename);
-            if (!pid_filename) {
-                fprintf(stderr, "Could not save PID filename");
-                exit(1);
-            }
-            atexit(remove_pidfile);
-        }
-    } else {
-        fprintf(stderr, "%s already exists. Remove it and try again.\n", 
-                filename);
-        exit(1);
-    }
-}
-
-/***********************************************************/
 /* dumb display */
 
 static void dumb_update(DisplayState *ds, int x, int y, int w, int h)
@@ -4222,6 +4445,7 @@ typedef struct IOHandlerRecord {
     IOCanRWHandler *fd_read_poll;
     IOHandler *fd_read;
     IOHandler *fd_write;
+    int deleted;
     void *opaque;
     /* temporary data */
     struct pollfd *ufd;
@@ -4247,8 +4471,7 @@ int qemu_set_fd_handler2(int fd,
             if (ioh == NULL)
                 break;
             if (ioh->fd == fd) {
-                *pioh = ioh->next;
-                qemu_free(ioh);
+                ioh->deleted = 1;
                 break;
             }
             pioh = &ioh->next;
@@ -4269,6 +4492,7 @@ int qemu_set_fd_handler2(int fd,
         ioh->fd_read = fd_read;
         ioh->fd_write = fd_write;
         ioh->opaque = opaque;
+        ioh->deleted = 0;
     }
     return 0;
 }
@@ -5880,7 +6104,7 @@ void qemu_register_reset(QEMUResetHandler *func, void *opaque)
     *pre = re;
 }
 
-void qemu_system_reset(void)
+static void qemu_system_reset(void)
 {
     QEMUResetEntry *re;
 
@@ -5917,7 +6141,7 @@ void qemu_system_powerdown_request(void)
 
 void main_loop_wait(int timeout)
 {
-    IOHandlerRecord *ioh, *ioh_next;
+    IOHandlerRecord *ioh;
     fd_set rfds, wfds, xfds;
     int ret, nfds;
     struct timeval tv;
@@ -5952,6 +6176,8 @@ void main_loop_wait(int timeout)
     FD_ZERO(&wfds);
     FD_ZERO(&xfds);
     for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
+        if (ioh->deleted)
+            continue;
         if (ioh->fd_read &&
             (!ioh->fd_read_poll ||
              ioh->fd_read_poll(ioh->opaque) != 0)) {
@@ -5979,9 +6205,11 @@ void main_loop_wait(int timeout)
 #endif
     ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
     if (ret > 0) {
-        /* XXX: better handling of removal */
-        for(ioh = first_io_handler; ioh != NULL; ioh = ioh_next) {
-            ioh_next = ioh->next;
+        IOHandlerRecord **pioh;
+
+        for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
+            if (ioh->deleted)
+                continue;
             if (FD_ISSET(ioh->fd, &rfds)) {
                 ioh->fd_read(ioh->opaque);
             }
@@ -5989,6 +6217,17 @@ void main_loop_wait(int timeout)
                 ioh->fd_write(ioh->opaque);
             }
         }
+
+       /* remove deleted IO handlers */
+       pioh = &first_io_handler;
+       while (*pioh) {
+            ioh = *pioh;
+            if (ioh->deleted) {
+                *pioh = ioh->next;
+                qemu_free(ioh);
+            } else 
+                pioh = &ioh->next;
+        }
     }
 #if defined(CONFIG_SLIRP)
     if (slirp_inited) {
@@ -6042,13 +6281,16 @@ int main_loop(void)
 #ifdef CONFIG_PROFILER
                 qemu_time += profile_getclock() - ti;
 #endif
+                if (ret == EXCP_HLT) {
+                    /* Give the next CPU a chance to run.  */
+                    cur_cpu = env;
+                    continue;
+                }
                 if (ret != EXCP_HALTED)
                     break;
                 /* all CPUs are halted ? */
-                if (env == cur_cpu) {
-                    ret = EXCP_HLT;
+                if (env == cur_cpu)
                     break;
-                }
             }
             cur_cpu = env;
 
@@ -6069,9 +6311,9 @@ int main_loop(void)
             if (ret == EXCP_DEBUG) {
                 vm_stop(EXCP_DEBUG);
             }
-            /* if hlt instruction, we wait until the next IRQ */
+            /* If all cpus are halted then wait until the next IRQ */
             /* XXX: use timeout computed from timers */
-            if (ret == EXCP_HLT)
+            if (ret == EXCP_HALTED)
                 timeout = 10;
             else
                 timeout = 0;
@@ -6092,24 +6334,23 @@ int main_loop(void)
 
 void help(void)
 {
-    printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2006 Fabrice Bellard\n"
+    printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard\n"
            "usage: %s [options] [disk_image]\n"
            "\n"
            "'disk_image' is a raw hard image image for IDE hard disk 0\n"
            "\n"
            "Standard options:\n"
            "-M machine      select emulated machine (-M ? for list)\n"
+           "-cpu cpu        select CPU (-cpu ? for list)\n"
            "-fda/-fdb file  use 'file' as floppy disk 0/1 image\n"
            "-hda/-hdb file  use 'file' as IDE hard disk 0/1 image\n"
            "-hdc/-hdd file  use 'file' as IDE hard disk 2/3 image\n"
            "-cdrom file     use 'file' as IDE cdrom image (cdrom is ide1 master)\n"
-           "-boot [a|c|d]   boot on floppy (a), hard disk (c) or CD-ROM (d)\n"
-           "-disk ide,img=file[,hdx=a..dd][,type=disk|cdrom] \n"
-           "                defaults are: hdx=a,type=disk \n"
-           "-disk scsi,img=file[,sdx=a..g][,type=disk|cdrom][,id=n]  \n"
-           "                defaults are: sdx=a,type=disk,id='auto assign' \n"
+           "-sd file        use 'file' as SecureDigital card image\n"
+           "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n"
            "-snapshot       write to temporary files instead of disk image files\n"
 #ifdef CONFIG_SDL
+           "-no-frame       open SDL window without a frame and window decorations\n"
            "-no-quit        disable SDL window close capability\n"
 #endif
 #ifdef TARGET_I386
@@ -6138,6 +6379,7 @@ void help(void)
 #if defined(TARGET_PPC) || defined(TARGET_SPARC)
            "-g WxH[xDEPTH]  Set the initial graphical resolution and depth\n"
 #endif
+           "-name string    set the name of the guest\n"
            "\n"
            "Network options:\n"
            "-net nic[,vlan=n][,macaddr=addr][,model=type]\n"
@@ -6154,6 +6396,7 @@ void help(void)
            "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file]\n"
            "                connect the host TAP network interface to VLAN 'n' and use\n"
            "                the network script 'file' (default=%s);\n"
+           "                use 'script=no' to disable script execution;\n"
            "                use 'fd=h' to connect to an already opened TAP interface\n"
 #endif
            "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n"
@@ -6164,7 +6407,8 @@ void help(void)
            "                is provided, the default is '-net nic -net user'\n"
            "\n"
 #ifdef CONFIG_SLIRP
-           "-tftp prefix    allow tftp access to files starting with prefix [-net user]\n"
+           "-tftp dir       allow tftp access to files in dir [-net user]\n"
+           "-bootp file     advertise file in BOOTP replies\n"
 #ifndef _WIN32
            "-smb dir        allow SMB access to files in 'dir' [-net user]\n"
 #endif
@@ -6183,8 +6427,8 @@ void help(void)
            "-parallel dev   redirect the parallel port to char device 'dev'\n"
            "-pidfile file   Write PID to 'file'\n"
            "-S              freeze CPU at startup (use 'c' to start execution)\n"
-           "-s              wait gdb connection to port %d\n"
-           "-p port         change gdb connection port\n"
+           "-s              wait gdb connection to port\n"
+           "-p port         set gdb connection port [default=%s]\n"
            "-d item1,...    output log to %s (use -d ? for a list of log items)\n"
            "-hdachs c,h,s[,t]  force hard disk 0 physical geometry and the optional BIOS\n"
            "                translation (t=none or lba) (usually qemu can guess them)\n"
@@ -6207,6 +6451,7 @@ void help(void)
 #ifndef _WIN32
           "-daemonize      daemonize QEMU after initializing\n"
 #endif
+          "-option-rom rom load a file, rom, into the option ROM space\n"
            "\n"
            "During emulation, the following keys are useful:\n"
            "ctrl-alt-f      toggle full screen\n"
@@ -6231,6 +6476,7 @@ enum {
     QEMU_OPTION_h,
 
     QEMU_OPTION_M,
+    QEMU_OPTION_cpu,
     QEMU_OPTION_fda,
     QEMU_OPTION_fdb,
     QEMU_OPTION_hda,
@@ -6238,6 +6484,7 @@ enum {
     QEMU_OPTION_hdc,
     QEMU_OPTION_hdd,
     QEMU_OPTION_cdrom,
+    QEMU_OPTION_sd,
     QEMU_OPTION_boot,
     QEMU_OPTION_snapshot,
 #ifdef TARGET_I386
@@ -6252,6 +6499,7 @@ enum {
 
     QEMU_OPTION_net,
     QEMU_OPTION_tftp,
+    QEMU_OPTION_bootp,
     QEMU_OPTION_smb,
     QEMU_OPTION_redir,
 
@@ -6269,13 +6517,16 @@ enum {
     QEMU_OPTION_k,
     QEMU_OPTION_localtime,
     QEMU_OPTION_cirrusvga,
+    QEMU_OPTION_vmsvga,
     QEMU_OPTION_g,
     QEMU_OPTION_std_vga,
+    QEMU_OPTION_echr,
     QEMU_OPTION_monitor,
     QEMU_OPTION_serial,
     QEMU_OPTION_parallel,
     QEMU_OPTION_loadvm,
     QEMU_OPTION_full_screen,
+    QEMU_OPTION_no_frame,
     QEMU_OPTION_no_quit,
     QEMU_OPTION_pidfile,
     QEMU_OPTION_no_kqemu,
@@ -6288,7 +6539,9 @@ enum {
     QEMU_OPTION_no_acpi,
     QEMU_OPTION_no_reboot,
     QEMU_OPTION_daemonize,
-    QEMU_OPTION_disk,
+    QEMU_OPTION_option_rom,
+    QEMU_OPTION_semihosting,
+    QEMU_OPTION_name,
 };
 
 typedef struct QEMUOption {
@@ -6299,8 +6552,10 @@ typedef struct QEMUOption {
 
 const QEMUOption qemu_options[] = {
     { "h", 0, QEMU_OPTION_h },
+    { "help", 0, QEMU_OPTION_h },
 
     { "M", HAS_ARG, QEMU_OPTION_M },
+    { "cpu", HAS_ARG, QEMU_OPTION_cpu },
     { "fda", HAS_ARG, QEMU_OPTION_fda },
     { "fdb", HAS_ARG, QEMU_OPTION_fdb },
     { "hda", HAS_ARG, QEMU_OPTION_hda },
@@ -6308,6 +6563,7 @@ const QEMUOption qemu_options[] = {
     { "hdc", HAS_ARG, QEMU_OPTION_hdc },
     { "hdd", HAS_ARG, QEMU_OPTION_hdd },
     { "cdrom", HAS_ARG, QEMU_OPTION_cdrom },
+    { "sd", HAS_ARG, QEMU_OPTION_sd },
     { "boot", HAS_ARG, QEMU_OPTION_boot },
     { "snapshot", 0, QEMU_OPTION_snapshot },
 #ifdef TARGET_I386
@@ -6324,6 +6580,7 @@ const QEMUOption qemu_options[] = {
     { "net", HAS_ARG, QEMU_OPTION_net},
 #ifdef CONFIG_SLIRP
     { "tftp", HAS_ARG, QEMU_OPTION_tftp },
+    { "bootp", HAS_ARG, QEMU_OPTION_bootp },
 #ifndef _WIN32
     { "smb", HAS_ARG, QEMU_OPTION_smb },
 #endif
@@ -6350,12 +6607,14 @@ const QEMUOption qemu_options[] = {
 #endif
     { "localtime", 0, QEMU_OPTION_localtime },
     { "std-vga", 0, QEMU_OPTION_std_vga },
+    { "echr", 1, QEMU_OPTION_echr },
     { "monitor", 1, QEMU_OPTION_monitor },
     { "serial", 1, QEMU_OPTION_serial },
     { "parallel", 1, QEMU_OPTION_parallel },
     { "loadvm", HAS_ARG, QEMU_OPTION_loadvm },
     { "full-screen", 0, QEMU_OPTION_full_screen },
 #ifdef CONFIG_SDL
+    { "no-frame", 0, QEMU_OPTION_no_frame },
     { "no-quit", 0, QEMU_OPTION_no_quit },
 #endif
     { "pidfile", HAS_ARG, QEMU_OPTION_pidfile },
@@ -6363,14 +6622,19 @@ const QEMUOption qemu_options[] = {
     { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
     { "smp", HAS_ARG, QEMU_OPTION_smp },
     { "vnc", HAS_ARG, QEMU_OPTION_vnc },
-    { "disk", HAS_ARG, QEMU_OPTION_disk },
-    
+
     /* temporary options */
     { "usb", 0, QEMU_OPTION_usb },
     { "cirrusvga", 0, QEMU_OPTION_cirrusvga },
+    { "vmwarevga", 0, QEMU_OPTION_vmsvga },
     { "no-acpi", 0, QEMU_OPTION_no_acpi },
     { "no-reboot", 0, QEMU_OPTION_no_reboot },
     { "daemonize", 0, QEMU_OPTION_daemonize },
+    { "option-rom", HAS_ARG, QEMU_OPTION_option_rom },
+#if defined(TARGET_ARM)
+    { "semihosting", 0, QEMU_OPTION_semihosting },
+#endif
+    { "name", HAS_ARG, QEMU_OPTION_name },
     { NULL },
 };
 
@@ -6432,20 +6696,23 @@ void register_machines(void)
     qemu_register_machine(&prep_machine);
 #elif defined(TARGET_MIPS)
     qemu_register_machine(&mips_machine);
+    qemu_register_machine(&mips_malta_machine);
 #elif defined(TARGET_SPARC)
 #ifdef TARGET_SPARC64
     qemu_register_machine(&sun4u_machine);
 #else
-    qemu_register_machine(&sun4m_machine);
+    qemu_register_machine(&ss5_machine);
+    qemu_register_machine(&ss10_machine);
 #endif
 #elif defined(TARGET_ARM)
-    qemu_register_machine(&integratorcp926_machine);
-    qemu_register_machine(&integratorcp1026_machine);
+    qemu_register_machine(&integratorcp_machine);
     qemu_register_machine(&versatilepb_machine);
     qemu_register_machine(&versatileab_machine);
     qemu_register_machine(&realview_machine);
 #elif defined(TARGET_SH4)
     qemu_register_machine(&shix_machine);
+#elif defined(TARGET_ALPHA)
+    /* XXX: TODO */
 #else
 #error unsupported CPU
 #endif
@@ -6577,20 +6844,17 @@ static BOOL WINAPI qemu_ctrl_handler(DWORD type)
 int main(int argc, char **argv)
 {
 #ifdef CONFIG_GDBSTUB
-    int use_gdbstub, gdbstub_port;
+    int use_gdbstub;
+    const char *gdbstub_port;
 #endif
     int i, cdrom_index;
     int snapshot, linux_boot;
     const char *initrd_filename;
-    const char *fd_filename[MAX_FD];
-    char scsi_options[MAX_SCSI_DISKS] [DISK_OPTIONS_SIZE];
-    char ide_options[MAX_DISKS] [DISK_OPTIONS_SIZE];
-    int num_ide_disks;
-    int num_scsi_disks;
+    const char *hd_filename[MAX_DISKS], *fd_filename[MAX_FD];
+    const char *sd_filename;
     const char *kernel_filename, *kernel_cmdline;
     DisplayState *ds = &display_state;
     int cyls, heads, secs, translation;
-    int start_emulation = 1;
     char net_clients[MAX_NET_CLIENTS][256];
     int nb_net_clients;
     int optind;
@@ -6603,9 +6867,11 @@ int main(int argc, char **argv)
     int parallel_device_index;
     const char *loadvm = NULL;
     QEMUMachine *machine;
+    const char *cpu_model;
     char usb_devices[MAX_USB_CMDLINE][128];
     int usb_devices_index;
     int fds[2];
+    const char *pid_file = NULL;
 
     LIST_INIT (&vm_change_state_head);
 #ifndef _WIN32
@@ -6640,23 +6906,15 @@ int main(int argc, char **argv)
 
     register_machines();
     machine = first_machine;
+    cpu_model = NULL;
     initrd_filename = NULL;
-    for(i = 0; i < MAX_SCSI_DISKS; i++) {
-        scsi_disks_info[i].device_type = SCSI_NONE;
-        bs_scsi_table[i] = NULL;
-    }
-
-    num_ide_disks = 0;
-    num_scsi_disks = 0;
-
     for(i = 0; i < MAX_FD; i++)
         fd_filename[i] = NULL;
-    for(i = 0; i < MAX_DISKS; i++) {
-        ide_options[i][0] =  '\0';
-    }
+    for(i = 0; i < MAX_DISKS; i++)
+        hd_filename[i] = NULL;
+    sd_filename = NULL;
     ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
     vga_ram_size = VGA_RAM_SIZE;
-    bios_size = BIOS_SIZE;
 #ifdef CONFIG_GDBSTUB
     use_gdbstub = 0;
     gdbstub_port = DEFAULT_GDBSTUB_PORT;
@@ -6697,20 +6955,14 @@ int main(int argc, char **argv)
             break;
         r = argv[optind];
         if (r[0] != '-') {
-
-        /* Build new disk IDE syntax string */
-        pstrcpy(ide_options[0],
-                14,
-                "hdx=a,img=");
-        /*Add on image filename */
-        pstrcpy(&(ide_options[0][13]),
-                sizeof(ide_options[0])-13,
-                argv[optind++]);
-        num_ide_disks++;
+            hd_filename[0] = argv[optind++];
         } else {
             const QEMUOption *popt;
 
             optind++;
+            /* Treat --foo the same as -foo.  */
+            if (r[1] == '-')
+                r++;
             popt = qemu_options;
             for(;;) {
                 if (!popt->name) {
@@ -6747,6 +6999,23 @@ int main(int argc, char **argv)
                     exit(1);
                 }
                 break;
+            case QEMU_OPTION_cpu:
+                /* hw initialization will check this */
+                if (optarg[0] == '?') {
+#if defined(TARGET_PPC)
+                    ppc_cpu_list(stdout, &fprintf);
+#elif defined(TARGET_ARM)
+                    arm_cpu_list();
+#elif defined(TARGET_MIPS)
+                    mips_cpu_list(stdout, &fprintf);
+#elif defined(TARGET_SPARC)
+                    sparc_cpu_list(stdout, &fprintf);
+#endif
+                    exit(1);
+                } else {
+                    cpu_model = optarg;
+                }
+                break;
             case QEMU_OPTION_initrd:
                 initrd_filename = optarg;
                 break;
@@ -6756,76 +7025,14 @@ int main(int argc, char **argv)
             case QEMU_OPTION_hdd:
                 {
                     int hd_index;
-                    const char newIDE_DiskSyntax [][10] = {
-                       "hdx=a,img=", "hdx=b,img=", "hdx=c,img=", "hdx=d,img=" };
-
                     hd_index = popt->index - QEMU_OPTION_hda;
-                    if (num_ide_disks >= MAX_DISKS) {
-                        fprintf(stderr, "qemu: too many IDE disks defined.\n");
-                        exit(1);
-                    }
-                    /* Build new disk IDE syntax string */
-                    pstrcpy(ide_options[hd_index],
-                            11,
-                            newIDE_DiskSyntax[hd_index]);
-                    /* Add on image filename */
-                    pstrcpy(&(ide_options[hd_index][10]),
-                            sizeof(ide_options[0])-10,
-                            optarg);
-                    num_ide_disks++;
+                    hd_filename[hd_index] = optarg;
+                    if (hd_index == cdrom_index)
+                        cdrom_index = -1;
                 }
                 break;
-            case QEMU_OPTION_disk: /*Combined IDE and SCSI, for disk and CDROM */
-                {
-                    const char *p_input_char;
-                    char *p_output_string;
-                    char device[64];
-                    int disk_index;
-
-                    p_input_char = optarg;
-                    p_output_string = device;
-                    while (*p_input_char != '\0' && *p_input_char != ',') {
-                        if ((p_output_string - device) < sizeof(device) - 1)
-                            *p_output_string++ = *p_input_char;
-                        p_input_char++;
-                    }
-                    *p_output_string = '\0';
-                    if (*p_input_char == ',')
-                        p_input_char++;
-
-                    if (!strcmp(device, "scsi")) {
-                        if (num_scsi_disks >= MAX_SCSI_DISKS) {
-                            fprintf(stderr, "qemu: too many SCSI disks defined.\n");
-                            exit(1);
-                        }
-                        pstrcpy(scsi_options[num_scsi_disks],
-                                sizeof(scsi_options[0]),
-                                p_input_char);
-                        num_scsi_disks++;
-                    } else if (!strcmp(device,"ide")) {
-                        if (num_ide_disks >= MAX_DISKS) {
-                            fprintf(stderr, "qemu: too many IDE disks/cdroms defined.\n");
-                            exit(1);
-                        }
-                        disk_index = 0; /* default is hda */
-                        if (get_param_value(device, sizeof(device),"hdx",p_input_char)) {
-                            if (device[0] >= 'a' && device[0] <= 'd') {
-                                disk_index = device[0] - 'a';
-                            } else {
-                                fprintf(stderr, "qemu: invalid IDE disk hdx= value: %s\n", device);
-                                return -1;
-                            }
-                        }
-                        else disk_index=0;
-                        pstrcpy(ide_options[disk_index],
-                                sizeof(ide_options[0]),
-                                p_input_char);
-                        num_ide_disks++;
-                    } else {
-                        fprintf(stderr, "qemu: -disk option must specify IDE or SCSI: %s \n",device);
-                        exit(1);
-                    }
-                }
+            case QEMU_OPTION_sd:
+                sd_filename = optarg;
                 break;
             case QEMU_OPTION_snapshot:
                 snapshot = 1;
@@ -6867,8 +7074,9 @@ int main(int argc, char **argv)
                 }
                 break;
             case QEMU_OPTION_nographic:
-                pstrcpy(monitor_device, sizeof(monitor_device), "stdio");
                 pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "stdio");
+                pstrcpy(parallel_devices[0], sizeof(parallel_devices[0]), "null");
+                pstrcpy(monitor_device, sizeof(monitor_device), "stdio");
                 nographic = 1;
                 break;
             case QEMU_OPTION_kernel:
@@ -6878,28 +7086,14 @@ int main(int argc, char **argv)
                 kernel_cmdline = optarg;
                 break;
             case QEMU_OPTION_cdrom:
-                {
-                    char buf[22];
-                    if (num_ide_disks >= MAX_DISKS) {
-                        fprintf(stderr, "qemu: too many IDE disks/cdroms defined.\n");
-                        exit(1);
-                    }
-                    snprintf(buf, sizeof(buf), "type=cdrom,hdx=%c,img=", cdrom_index + 'a');
-                    /* Build new disk IDE syntax string */
-                    pstrcpy(ide_options[cdrom_index],
-                            22,
-                            buf);
-                    /* Add on image filename */
-                    pstrcpy(&(ide_options[cdrom_index][21]),
-                            sizeof(ide_options[0])-21,
-                            optarg);
-                    num_ide_disks++;
+                if (cdrom_index >= 0) {
+                    hd_filename[cdrom_index] = optarg;
                 }
                 break;
             case QEMU_OPTION_boot:
                 boot_device = optarg[0];
                 if (boot_device != 'a' && 
-#ifdef TARGET_SPARC
+#if defined(TARGET_SPARC) || defined(TARGET_I386)
                    // Network boot
                    boot_device != 'n' &&
 #endif
@@ -6936,6 +7130,9 @@ int main(int argc, char **argv)
             case QEMU_OPTION_tftp:
                tftp_prefix = optarg;
                 break;
+            case QEMU_OPTION_bootp:
+                bootp_filename = optarg;
+                break;
 #ifndef _WIN32
             case QEMU_OPTION_smb:
                net_slirp_smb(optarg);
@@ -6988,14 +7185,14 @@ int main(int argc, char **argv)
                 use_gdbstub = 1;
                 break;
             case QEMU_OPTION_p:
-                gdbstub_port = atoi(optarg);
+                gdbstub_port = optarg;
                 break;
 #endif
             case QEMU_OPTION_L:
                 bios_dir = optarg;
                 break;
             case QEMU_OPTION_S:
-                start_emulation = 0;
+                autostart = 0;
                 break;
            case QEMU_OPTION_k:
                keyboard_layout = optarg;
@@ -7005,9 +7202,15 @@ int main(int argc, char **argv)
                 break;
             case QEMU_OPTION_cirrusvga:
                 cirrus_vga_enabled = 1;
+                vmsvga_enabled = 0;
+                break;
+            case QEMU_OPTION_vmsvga:
+                cirrus_vga_enabled = 0;
+                vmsvga_enabled = 1;
                 break;
             case QEMU_OPTION_std_vga:
                 cirrus_vga_enabled = 0;
+                vmsvga_enabled = 0;
                 break;
             case QEMU_OPTION_g:
                 {
@@ -7043,6 +7246,14 @@ int main(int argc, char **argv)
                     graphic_depth = depth;
                 }
                 break;
+            case QEMU_OPTION_echr:
+                {
+                    char *r;
+                    term_escape_char = strtol(optarg, &r, 0);
+                    if (r == optarg)
+                        printf("Bad argument to echr\n");
+                    break;
+                }
             case QEMU_OPTION_monitor:
                 pstrcpy(monitor_device, sizeof(monitor_device), optarg);
                 break;
@@ -7071,12 +7282,15 @@ int main(int argc, char **argv)
                 full_screen = 1;
                 break;
 #ifdef CONFIG_SDL
+            case QEMU_OPTION_no_frame:
+                no_frame = 1;
+                break;
             case QEMU_OPTION_no_quit:
                 no_quit = 1;
                 break;
 #endif
             case QEMU_OPTION_pidfile:
-                create_pidfile(optarg);
+                pid_file = optarg;
                 break;
 #ifdef TARGET_I386
             case QEMU_OPTION_win2k_hack:
@@ -7124,6 +7338,20 @@ int main(int argc, char **argv)
            case QEMU_OPTION_daemonize:
                daemonize = 1;
                break;
+           case QEMU_OPTION_option_rom:
+               if (nb_option_roms >= MAX_OPTION_ROMS) {
+                   fprintf(stderr, "Too many option ROMs\n");
+                   exit(1);
+               }
+               option_rom[nb_option_roms] = optarg;
+               nb_option_roms++;
+               break;
+            case QEMU_OPTION_semihosting:
+                semihosting_enabled = 1;
+                break;
+            case QEMU_OPTION_name:
+                qemu_name = optarg;
+                break;
             }
         }
     }
@@ -7148,16 +7376,19 @@ int main(int argc, char **argv)
            close(fds[1]);
 
        again:
-           len = read(fds[0], &status, 1);
-           if (len == -1 && (errno == EINTR))
-               goto again;
-           
-           if (len != 1 || status != 0)
-               exit(1);
-           else
-               exit(0);
+            len = read(fds[0], &status, 1);
+            if (len == -1 && (errno == EINTR))
+                goto again;
+
+            if (len != 1)
+                exit(1);
+            else if (status == 1) {
+                fprintf(stderr, "Could not acquire pidfile\n");
+                exit(1);
+            } else
+                exit(0);
        } else if (pid < 0)
-           exit(1);
+            exit(1);
 
        setsid();
 
@@ -7176,6 +7407,15 @@ int main(int argc, char **argv)
     }
 #endif
 
+    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
+        if (daemonize) {
+            uint8_t status = 1;
+            write(fds[1], &status, 1);
+        } else
+            fprintf(stderr, "Could not acquire pid file\n");
+        exit(1);
+    }
+
 #ifdef USE_KQEMU
     if (smp_cpus > 1)
         kqemu_allowed = 0;
@@ -7183,10 +7423,20 @@ int main(int argc, char **argv)
     linux_boot = (kernel_filename != NULL);
 
     if (!linux_boot &&
-        num_ide_disks == 0 &&
+        boot_device != 'n' &&
+        hd_filename[0] == '\0' && 
+        (cdrom_index >= 0 && hd_filename[cdrom_index] == '\0') &&
         fd_filename[0] == '\0')
         help();
 
+    /* boot to floppy or the default cd if no hard disk defined yet */
+    if (hd_filename[0] == '\0' && boot_device == 'c') {
+        if (fd_filename[0] != '\0')
+            boot_device = 'a';
+        else
+            boot_device = 'd';
+    }
+
     setvbuf(stdout, NULL, _IOLBF, 0);
     
     init_timers();
@@ -7212,8 +7462,30 @@ int main(int argc, char **argv)
             exit(1);
     }
 
+#ifdef TARGET_I386
+    if (boot_device == 'n') {
+       for (i = 0; i < nb_nics; i++) {
+           const char *model = nd_table[i].model;
+           char buf[1024];
+           if (model == NULL)
+               model = "ne2k_pci";
+           snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model);
+           if (get_image_size(buf) > 0) {
+               option_rom[nb_option_roms] = strdup(buf);
+               nb_option_roms++;
+               break;
+           }
+       }
+       if (i == nb_nics) {
+           fprintf(stderr, "No valid PXE rom found for network device\n");
+           exit(1);
+       }
+       boot_device = 'c'; /* to prevent confusion by the BIOS */
+    }
+#endif
+
     /* init the memory */
-    phys_ram_size = ram_size + vga_ram_size + bios_size;
+    phys_ram_size = ram_size + vga_ram_size + MAX_BIOS_SIZE;
 
     phys_ram_base = qemu_vmalloc(phys_ram_size);
     if (!phys_ram_base) {
@@ -7221,22 +7493,31 @@ int main(int argc, char **argv)
         exit(1);
     }
 
+    /* we always create the cdrom drive, even if no disk is there */
     bdrv_init();
-
-    /* open the virtual block devices, disks or CDRoms */
-    if (disk_options_init(num_ide_disks,ide_options,snapshot,
-                          num_scsi_disks,scsi_options,
-                          cdrom_index,
-                          cyls, heads, secs, translation)){
-        exit(1);
+    if (cdrom_index >= 0) {
+        bs_table[cdrom_index] = bdrv_new("cdrom");
+        bdrv_set_type_hint(bs_table[cdrom_index], BDRV_TYPE_CDROM);
     }
 
-    /* boot to floppy or default cd if no hard disk */
-    if (num_ide_disks == 0 && boot_device == 'c') {
-        if (fd_filename[0] != '\0')
-            boot_device = 'a';
-        else
-            boot_device = 'd';
+    /* open the virtual block devices */
+    for(i = 0; i < MAX_DISKS; i++) {
+        if (hd_filename[i]) {
+            if (!bs_table[i]) {
+                char buf[64];
+                snprintf(buf, sizeof(buf), "hd%c", i + 'a');
+                bs_table[i] = bdrv_new(buf);
+            }
+            if (bdrv_open(bs_table[i], hd_filename[i], snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
+                fprintf(stderr, "qemu: could not open hard disk image '%s'\n",
+                        hd_filename[i]);
+                exit(1);
+            }
+            if (i == 0 && cyls != 0) {
+                bdrv_set_geometry_hint(bs_table[i], cyls, heads, secs);
+                bdrv_set_translation_hint(bs_table[i], translation);
+            }
+        }
     }
 
     /* we always create at least one floppy disk */
@@ -7251,7 +7532,7 @@ int main(int argc, char **argv)
                 fd_table[i] = bdrv_new(buf);
                 bdrv_set_type_hint(fd_table[i], BDRV_TYPE_FLOPPY);
             }
-            if (fd_filename[i] != '\0') {
+            if (fd_filename[i][0] != '\0') {
                 if (bdrv_open(fd_table[i], fd_filename[i],
                               snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
                     fprintf(stderr, "qemu: could not open floppy disk image '%s'\n",
@@ -7262,6 +7543,18 @@ int main(int argc, char **argv)
         }
     }
 
+    sd_bdrv = bdrv_new ("sd");
+    /* FIXME: This isn't really a floppy, but it's a reasonable
+       approximation.  */
+    bdrv_set_type_hint(sd_bdrv, BDRV_TYPE_FLOPPY);
+    if (sd_filename) {
+        if (bdrv_open(sd_bdrv, sd_filename,
+                      snapshot ? BDRV_O_SNAPSHOT : 0) < 0) {
+            fprintf(stderr, "qemu: could not open SD card image %s\n",
+                    sd_filename);
+        }
+    }
+
     register_savevm("timer", 0, 2, timer_save, timer_load, NULL);
     register_savevm("ram", 0, 2, ram_save, ram_load, NULL);
 
@@ -7274,7 +7567,7 @@ int main(int argc, char **argv)
        vnc_display_init(ds, vnc_display);
     } else {
 #if defined(CONFIG_SDL)
-        sdl_display_init(ds, full_screen);
+        sdl_display_init(ds, full_screen, no_frame);
 #elif defined(CONFIG_COCOA)
         cocoa_display_init(ds, full_screen);
 #else
@@ -7282,12 +7575,27 @@ int main(int argc, char **argv)
 #endif
     }
 
-    monitor_hd = qemu_chr_open(monitor_device);
-    if (!monitor_hd) {
-        fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
-        exit(1);
+    /* Maintain compatibility with multiple stdio monitors */
+    if (!strcmp(monitor_device,"stdio")) {
+        for (i = 0; i < MAX_SERIAL_PORTS; i++) {
+            if (!strcmp(serial_devices[i],"mon:stdio")) {
+                monitor_device[0] = '\0';
+                break;
+            } else if (!strcmp(serial_devices[i],"stdio")) {
+                monitor_device[0] = '\0';
+                pstrcpy(serial_devices[0], sizeof(serial_devices[0]), "mon:stdio");
+                break;
+            }
+        }
+    }
+    if (monitor_device[0] != '\0') {
+        monitor_hd = qemu_chr_open(monitor_device);
+        if (!monitor_hd) {
+            fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device);
+            exit(1);
+        }
+        monitor_init(monitor_hd, !nographic);
     }
-    monitor_init(monitor_hd, !nographic);
 
     for(i = 0; i < MAX_SERIAL_PORTS; i++) {
         const char *devname = serial_devices[i];
@@ -7319,7 +7627,7 @@ int main(int argc, char **argv)
 
     machine->init(ram_size, vga_ram_size, boot_device,
                   ds, fd_filename, snapshot,
-                  kernel_filename, kernel_cmdline, initrd_filename);
+                  kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
 
     /* init USB devices */
     if (usb_enabled) {
@@ -7336,12 +7644,12 @@ int main(int argc, char **argv)
 
 #ifdef CONFIG_GDBSTUB
     if (use_gdbstub) {
+        /* XXX: use standard host:port notation and modify options
+           accordingly. */
         if (gdbserver_start(gdbstub_port) < 0) {
-            fprintf(stderr, "Could not open gdbserver socket on port %d\n", 
+            fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n",
                     gdbstub_port);
             exit(1);
-        } else {
-            printf("Waiting gdb connection on port %d\n", gdbstub_port);
         }
     } else 
 #endif
@@ -7351,7 +7659,7 @@ int main(int argc, char **argv)
     {
         /* XXX: simplify init */
         read_passwords();
-        if (start_emulation) {
+        if (autostart) {
             vm_start();
         }
     }