Changeset 15819e37 in mainline for kernel/arch/ia64/src/drivers/ega.c

Timestamp:

2007-02-04T21:04:36Z (18 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

7d307e7

Parents:

5573942

Message:

Minor cleanup in ia64.

File:

• kernel/arch/ia64/src/drivers/ega.c (moved) (moved from kernel/arch/ia64/src/simics/ega.c ) (5 diffs)

kernel/arch/ia64/src/drivers/ega.c

@@ -46 +46 @@
 #include <console/console.h>
 #include <sysinfo/sysinfo.h>
-#include <arch/simics/ega.h>
+#include <arch/drivers/ega.h>
 
 /*
@@ -67 +67 @@
 void ega_init(void)
 {
-        
         videoram = (uint8_t *) (VIDEORAM);
+
+        /*
+         * Clear the screen.
+         */
+        _memsetw((uintptr_t) videoram, SCREEN, 0x0720); 
 
         chardev_initialize("ega_out", &ega_console, &ega_ops);
@@ -87 +91 @@
 {
         videoram[ega_cursor * 2] = ch;
-        videoram[ega_cursor * 2+1] = 7;
+        videoram[ega_cursor * 2 + 1] = 7;
 }
 
@@ -95 +99 @@
 static void ega_check_cursor(void)
 {
-        int i;
         if (ega_cursor < SCREEN)
                 return;
 
         memcpy((void *) videoram, (void *) (videoram + ROW * 2), (SCREEN - ROW) * 2);
-        for(i=0;i<ROW*2;i+=2)
-        {
-                videoram[(SCREEN-ROW)*2+i+0]=0x20;
-                videoram[(SCREEN-ROW)*2+i+1]=0x07;
-        }
+        _memsetw((uintptr_t) (videoram + (SCREEN - ROW) * 2), ROW, 0x0720);
         ega_cursor = ega_cursor - ROW;
 }
@@ -137 +136 @@
 }
 
-
 /** @}
  */