[Hackndev-commit] SF.net SVN: hackndev: [1134] cocoboot/trunk

[<bob...@us...>]

Revision: 1134
          http://svn.sourceforge.net/hackndev/?rev=1134&view=rev
Author:   bobofdoom
Date:     2007-07-13 01:46:48 -0700 (Fri, 13 Jul 2007)

Log Message:
-----------
Cocoboot: Changed kernel load address from 0x4000 to 0x800000.  

This prevents the kernel image from clobbering the areas POS uses for DMA such
as the framebuffer and audiobuffer, making booting more reliable (and
making it work at all) on some devices.

Modified Paths:
--------------
    cocoboot/trunk/Changelog
    cocoboot/trunk/arm/boot.c

Modified: cocoboot/trunk/Changelog
===================================================================
--- cocoboot/trunk/Changelog	2007-07-13 01:06:35 UTC (rev 1133)
+++ cocoboot/trunk/Changelog	2007-07-13 08:46:48 UTC (rev 1134)
@@ -1,3 +1,4 @@
+  - Changed kernel load address from 0x4000 to 0x800000.
   - Added simple USB console.
 
 version 0.2: 

Modified: cocoboot/trunk/arm/boot.c
===================================================================
--- cocoboot/trunk/arm/boot.c	2007-07-13 01:06:35 UTC (rev 1133)
+++ cocoboot/trunk/arm/boot.c	2007-07-13 08:46:48 UTC (rev 1134)
@@ -24,16 +24,14 @@
 #define MACH_TYPE_T3XSCALE	829
 
 #ifdef TREO650 
-#define KERNEL_OFFSET		0x0800000
 #define TAG_OFFSET		0x100
 #define INITRD_OFFSET		0x1500000
 #else
-#define KERNEL_OFFSET		0x8000
 #define TAG_OFFSET		0x100
 #define INITRD_OFFSET		0x0400000
 #endif
 
-#define T3_KERNEL_OFFSET	0x0800000
+#define KERNEL_OFFSET		0x0800000
 #define T3_INITRD_OFFSET	0x1500000
 
 static void jump_to_kernel(UInt32 kernel_base, UInt32 tag_base, UInt32 mach)
@@ -197,11 +195,10 @@
 	}
 #endif
 
+	kernel_offset=KERNEL_OFFSET;
 	if (pg->mach_num==MACH_TYPE_T3XSCALE){
-	    kernel_offset=T3_KERNEL_OFFSET;
 	    initrd_offset=T3_INITRD_OFFSET;
 	} else {
-	    kernel_offset=KERNEL_OFFSET;
 	    initrd_offset=INITRD_OFFSET;
 	}
 	


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