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Add checkpatch.pl from Linux kernel
[qemu.git] / console.c
diff --git a/console.c b/console.c
index 9bbef593b94f849b9cd52c8be88b481e6cdc86a6..c1728b1e04056e3a4ab4a9cc61f97ed918c865b9 100644 (file)
--- a/console.c
+++ b/console.c
@@ -154,6 +154,7 @@ struct TextConsole {
     QEMUTimer *kbd_timer;
 };
 
+static DisplayState *display_state;
 static TextConsole *active_console;
 static TextConsole *consoles[MAX_CONSOLES];
 static int nb_consoles = 0;
@@ -166,7 +167,7 @@ void vga_hw_update(void)
 
 void vga_hw_invalidate(void)
 {
-    if (active_console->hw_invalidate)
+    if (active_console && active_console->hw_invalidate)
         active_console->hw_invalidate(active_console->hw);
 }
 
@@ -828,7 +829,6 @@ static void console_clear_xy(TextConsole *s, int x, int y)
     TextCell *c = &s->cells[y1 * s->width + x];
     c->ch = ' ';
     c->t_attrib = s->t_attrib_default;
-    c++;
     update_xy(s, x, y);
 }
 
@@ -1060,8 +1060,10 @@ void console_select(unsigned int index)
 
     if (index >= MAX_CONSOLES)
         return;
-    active_console->g_width = ds_get_width(active_console->ds);
-    active_console->g_height = ds_get_height(active_console->ds);
+    if (active_console) {
+        active_console->g_width = ds_get_width(active_console->ds);
+        active_console->g_height = ds_get_height(active_console->ds);
+    }
     s = consoles[index];
     if (s) {
         DisplayState *ds = s->ds;
@@ -1265,6 +1267,117 @@ static TextConsole *new_console(DisplayState *ds, console_type_t console_type)
     return s;
 }
 
+static DisplaySurface* defaultallocator_create_displaysurface(int width, int height)
+{
+    DisplaySurface *surface = (DisplaySurface*) qemu_mallocz(sizeof(DisplaySurface));
+
+    surface->width = width;
+    surface->height = height;
+    surface->linesize = width * 4;
+    surface->pf = qemu_default_pixelformat(32);
+#ifdef HOST_WORDS_BIGENDIAN
+    surface->flags = QEMU_ALLOCATED_FLAG | QEMU_BIG_ENDIAN_FLAG;
+#else
+    surface->flags = QEMU_ALLOCATED_FLAG;
+#endif
+    surface->data = (uint8_t*) qemu_mallocz(surface->linesize * surface->height);
+
+    return surface;
+}
+
+static DisplaySurface* defaultallocator_resize_displaysurface(DisplaySurface *surface,
+                                          int width, int height)
+{
+    surface->width = width;
+    surface->height = height;
+    surface->linesize = width * 4;
+    surface->pf = qemu_default_pixelformat(32);
+    if (surface->flags & QEMU_ALLOCATED_FLAG)
+        surface->data = (uint8_t*) qemu_realloc(surface->data, surface->linesize * surface->height);
+    else
+        surface->data = (uint8_t*) qemu_malloc(surface->linesize * surface->height);
+#ifdef HOST_WORDS_BIGENDIAN
+    surface->flags = QEMU_ALLOCATED_FLAG | QEMU_BIG_ENDIAN_FLAG;
+#else
+    surface->flags = QEMU_ALLOCATED_FLAG;
+#endif
+
+    return surface;
+}
+
+DisplaySurface* qemu_create_displaysurface_from(int width, int height, int bpp,
+                                              int linesize, uint8_t *data)
+{
+    DisplaySurface *surface = (DisplaySurface*) qemu_mallocz(sizeof(DisplaySurface));
+
+    surface->width = width;
+    surface->height = height;
+    surface->linesize = linesize;
+    surface->pf = qemu_default_pixelformat(bpp);
+#ifdef HOST_WORDS_BIGENDIAN
+    surface->flags = QEMU_BIG_ENDIAN_FLAG;
+#endif
+    surface->data = data;
+
+    return surface;
+}
+
+static void defaultallocator_free_displaysurface(DisplaySurface *surface)
+{
+    if (surface == NULL)
+        return;
+    if (surface->flags & QEMU_ALLOCATED_FLAG)
+        qemu_free(surface->data);
+    qemu_free(surface);
+}
+
+static struct DisplayAllocator default_allocator = {
+    defaultallocator_create_displaysurface,
+    defaultallocator_resize_displaysurface,
+    defaultallocator_free_displaysurface
+};
+
+static void dumb_display_init(void)
+{
+    DisplayState *ds = qemu_mallocz(sizeof(DisplayState));
+    ds->allocator = &default_allocator;
+    ds->surface = qemu_create_displaysurface(ds, 640, 480);
+    register_displaystate(ds);
+}
+
+/***********************************************************/
+/* register display */
+
+void register_displaystate(DisplayState *ds)
+{
+    DisplayState **s;
+    s = &display_state;
+    while (*s != NULL)
+        s = &(*s)->next;
+    ds->next = NULL;
+    *s = ds;
+}
+
+DisplayState *get_displaystate(void)
+{
+    if (!display_state) {
+        dumb_display_init ();
+    }
+    return display_state;
+}
+
+DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da)
+{
+    if(ds->allocator ==  &default_allocator) {
+        DisplaySurface *surf;
+        surf = da->create_displaysurface(ds_get_width(ds), ds_get_height(ds));
+        defaultallocator_free_displaysurface(ds->surface);
+        ds->surface = surf;
+        ds->allocator = da;
+    }
+    return ds->allocator;
+}
+
 DisplayState *graphic_console_init(vga_hw_update_ptr update,
                                    vga_hw_invalidate_ptr invalidate,
                                    vga_hw_screen_dump_ptr screen_dump,
@@ -1384,7 +1497,17 @@ static void text_console_do_init(CharDriverState *chr, DisplayState *ds, QemuOpt
     s->t_attrib = s->t_attrib_default;
     text_console_resize(s);
 
-    qemu_chr_reset(chr);
+    if (chr->label) {
+        char msg[128];
+        int len;
+
+        s->t_attrib.bgcol = COLOR_BLUE;
+        len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
+        console_puts(chr, (uint8_t*)msg, len);
+        s->t_attrib = s->t_attrib_default;
+    }
+
+    qemu_chr_generic_open(chr);
     if (chr->init)
         chr->init(chr);
 }
@@ -1500,6 +1623,22 @@ PixelFormat qemu_default_pixelformat(int bpp)
     pf.depth = bpp == 32 ? 24 : bpp;
 
     switch (bpp) {
+        case 15:
+            pf.bits_per_pixel = 16;
+            pf.bytes_per_pixel = 2;
+            pf.rmask = 0x00007c00;
+            pf.gmask = 0x000003E0;
+            pf.bmask = 0x0000001F;
+            pf.rmax = 31;
+            pf.gmax = 31;
+            pf.bmax = 31;
+            pf.rshift = 10;
+            pf.gshift = 5;
+            pf.bshift = 0;
+            pf.rbits = 5;
+            pf.gbits = 5;
+            pf.bbits = 5;
+            break;
         case 16:
             pf.rmask = 0x0000F800;
             pf.gmask = 0x000007E0;
@@ -1549,67 +1688,3 @@ PixelFormat qemu_default_pixelformat(int bpp)
     }
     return pf;
 }
-
-DisplaySurface* defaultallocator_create_displaysurface(int width, int height)
-{
-    DisplaySurface *surface = (DisplaySurface*) qemu_mallocz(sizeof(DisplaySurface));
-
-    surface->width = width;
-    surface->height = height;
-    surface->linesize = width * 4;
-    surface->pf = qemu_default_pixelformat(32);
-#ifdef HOST_WORDS_BIGENDIAN
-    surface->flags = QEMU_ALLOCATED_FLAG | QEMU_BIG_ENDIAN_FLAG;
-#else
-    surface->flags = QEMU_ALLOCATED_FLAG;
-#endif
-    surface->data = (uint8_t*) qemu_mallocz(surface->linesize * surface->height);
-
-    return surface;
-}
-
-DisplaySurface* defaultallocator_resize_displaysurface(DisplaySurface *surface,
-                                          int width, int height)
-{
-    surface->width = width;
-    surface->height = height;
-    surface->linesize = width * 4;
-    surface->pf = qemu_default_pixelformat(32);
-    if (surface->flags & QEMU_ALLOCATED_FLAG)
-        surface->data = (uint8_t*) qemu_realloc(surface->data, surface->linesize * surface->height);
-    else
-        surface->data = (uint8_t*) qemu_malloc(surface->linesize * surface->height);
-#ifdef HOST_WORDS_BIGENDIAN
-    surface->flags = QEMU_ALLOCATED_FLAG | QEMU_BIG_ENDIAN_FLAG;
-#else
-    surface->flags = QEMU_ALLOCATED_FLAG;
-#endif
-
-    return surface;
-}
-
-DisplaySurface* qemu_create_displaysurface_from(int width, int height, int bpp,
-                                              int linesize, uint8_t *data)
-{
-    DisplaySurface *surface = (DisplaySurface*) qemu_mallocz(sizeof(DisplaySurface));
-
-    surface->width = width;
-    surface->height = height;
-    surface->linesize = linesize;
-    surface->pf = qemu_default_pixelformat(bpp);
-#ifdef HOST_WORDS_BIGENDIAN
-    surface->flags = QEMU_BIG_ENDIAN_FLAG;
-#endif
-    surface->data = data;
-
-    return surface;
-}
-
-void defaultallocator_free_displaysurface(DisplaySurface *surface)
-{
-    if (surface == NULL)
-        return;
-    if (surface->flags & QEMU_ALLOCATED_FLAG)
-        qemu_free(surface->data);
-    qemu_free(surface);
-}
Qemu copy for testing