Merge remote-tracking branch 'remotes/kraxel/tags/pull-console-20140610-1' into staging

console: two little bugfixes.

# gpg: Signature made Tue 10 Jun 2014 12:01:07 BST using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/kraxel/tags/pull-console-20140610-1:
  console: fix -vga none -sdl crash
  console: kill MAX_CONSOLES, alloc consoles dynamically
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

ui/console.c

@@ -30,7 +30,6 @@
 #include "trace.h"
 
 #define DEFAULT_BACKSCROLL 512
-#define MAX_CONSOLES 12
 #define CONSOLE_CURSOR_PERIOD 500
 
 typedef struct TextAttributes {
@@ -173,7 +172,7 @@ struct DisplayState {
 
 static DisplayState *display_state;
 static QemuConsole *active_console;
-static QemuConsole *consoles[MAX_CONSOLES];
+static QemuConsole **consoles;
 static int nb_consoles = 0;
 static bool cursor_visible_phase;
 static QEMUTimer *cursor_timer;
@@ -983,9 +982,6 @@ void console_select(unsigned int index)
     DisplayChangeListener *dcl;
     QemuConsole *s;
 
-    if (index >= MAX_CONSOLES)
-        return;
-
     trace_console_select(index);
     s = qemu_console_lookup_by_index(index);
     if (s) {
@@ -1191,9 +1187,6 @@ static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
     QemuConsole *s;
     int i;
 
-    if (nb_consoles >= MAX_CONSOLES)
-        return NULL;
-
     obj = object_new(TYPE_QEMU_CONSOLE);
     s = QEMU_CONSOLE(obj);
     s->head = head;
@@ -1211,6 +1204,8 @@ static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
     }
     s->ds = ds;
     s->console_type = console_type;
+
+    consoles = g_realloc(consoles, sizeof(*consoles) * (nb_consoles+1));
     if (console_type != GRAPHIC_CONSOLE) {
         s->index = nb_consoles;
         consoles[nb_consoles++] = s;
@@ -1585,10 +1580,7 @@ DisplayState *init_displaystate(void)
     gchar *name;
     int i;
 
-    if (!display_state) {
-        display_state = g_new0(DisplayState, 1);
-    }
-
+    get_alloc_displaystate();
     for (i = 0; i < nb_consoles; i++) {
         if (consoles[i]->console_type != GRAPHIC_CONSOLE &&
             consoles[i]->ds == NULL) {
@@ -1634,7 +1626,7 @@ QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
 
 QemuConsole *qemu_console_lookup_by_index(unsigned int index)
 {
-    if (index >= MAX_CONSOLES) {
+    if (index >= nb_consoles) {
         return NULL;
     }
     return consoles[index];