[PATCH 1/4] bootwrapper: missing relocation in crt0.S

[Milton Miller]

crt0.S had provisions to provide run address relocaton to got2 and
cache flush, but not on the bss clear or stack pointer load.  Apply
the same fixup for them.

Signed-off-by: Milton Miller <miltonm at bga.com>
--- 
This one uses r10 to zero, so that the offset in r0 is preserved.

Index: kernel/arch/powerpc/boot/crt0.S
===================================================================
--- kernel.orig/arch/powerpc/boot/crt0.S	2007-03-28 01:09:05.000000000 -0500
+++ kernel/arch/powerpc/boot/crt0.S	2007-03-28 01:09:21.000000000 -0500
@@ -65,10 +65,12 @@ _zimage_start_lib:
 	/* Clear the BSS */
 	lis	r9,__bss_start at ha
 	addi	r9,r9,__bss_start at l
+	add	r9,r0,r9
 	lis	r8,_end at ha
 	addi	r8,r8,_end at l
-	li	r0,0
-5:	stw	r0,0(r9)
+	add	r8,r0,r8
+	li	r10,0
+5:	stw	r10,0(r9)
 	addi	r9,r9,4
 	cmplw	cr0,r9,r8
 	blt	5b
@@ -79,7 +81,9 @@ _zimage_start_lib:
 	addi	r8,r8,_platform_stack_top at l
 	cmpwi	r8,0
 	beq	6f
+	add	r8,r0,r8
 	lwz	r1,0(r8)
+	add	r1,r0,r1
 	li	r0,0
 	stwu	r0,-16(r1)	/* establish a stack frame */
 6: