Changeset 38650da in mainline

Timestamp:

2011-12-08T20:50:24Z (12 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

6f20277, c40f385

Parents:

40898df

Message:

initialize bfb_addr to 0
this fixes the problem with high-order bits being set to 1 when using multiboot v1 protocol on amd64
this fixes ticket #399 on amd64

File:

• kernel/genarch/src/fb/bfb.c (modified) (2 diffs)

kernel/genarch/src/fb/bfb.c

@@ -40 +40 @@
 #include <console/console.h>
 
-uintptr_t bfb_addr = (uintptr_t) -1;
+uintptr_t bfb_addr = 0;
 uint32_t bfb_width = 0;
 uint32_t bfb_height = 0;
@@ -57 +57 @@
 bool bfb_init(void)
 {
-        if ((bfb_width == 0) || (bfb_height == 0))
+        if ((bfb_addr == 0) || (bfb_width == 0) || (bfb_height == 0) ||
+            (bfb_bpp == 0) || (bfb_scanline == 0))
                 return false;