Moved some time critical functions to internal RAM

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1509 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 6 insertions, 1 deletions

diff --git a/firmware/drivers/lcd.c b/firmware/drivers/lcd.c
index 058ba1dedf..5a08b55930 100644
--- a/firmware/drivers/lcd.c
+++ b/firmware/drivers/lcd.c
@@ -174,6 +174,7 @@ static int scroll_count = 0;
 
 #define ASM_IMPLEMENTATION
 
+static void lcd_write(bool command, int byte) __attribute__ ((section (".icode")));
 static void lcd_write(bool command, int byte)
 
 #ifdef ASM_IMPLEMENTATION
@@ -574,11 +575,13 @@ void lcd_init (void)
 
 /*
  * Update the display.
- * This must be called after all other LCD funtions that change the display.
+ * This must be called after all other LCD functions that change the display.
  */
+void lcd_update (void) __attribute__ ((section (".icode")));
 void lcd_update (void)
 {
     int x, y;
+
     /* Copy display bitmap to hardware */
     for (y = 0; y < LCD_HEIGHT/8; y++)
     {
@@ -771,6 +774,8 @@ void lcd_putsxy(int x, int y, unsigned char *str, int thisfont)
  * clear is true to clear destination area first
  */
 void lcd_bitmap (unsigned char *src, int x, int y, int nx, int ny,
+                 bool clear) __attribute__ ((section (".icode")));
+void lcd_bitmap (unsigned char *src, int x, int y, int nx, int ny,
                  bool clear)
 {
     unsigned char *dst;