X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Farm%2Fcpu%2Fixp%2Fstart.S;h=9f8c15b877e413cbf7ca6a4dffe76312cb3326c9;hb=006915fbb0e3c1c9927fe32c4e92cb011f8499e7;hp=d1ab19bf5da25cb4904c5de6a33786bd760f8b4b;hpb=52eb2c79110151b9017a0829c4d44ee7b8e2ca04;p=u-boot

diff --git a/arch/arm/cpu/ixp/start.S b/arch/arm/cpu/ixp/start.S
index d1ab19bf5d..9f8c15b877 100644
--- a/arch/arm/cpu/ixp/start.S
+++ b/arch/arm/cpu/ixp/start.S
@@ -268,6 +268,7 @@ reset:
 /* Set stackpointer in internal RAM to call board_init_f */
 call_board_init_f:
 	ldr	sp, =(CONFIG_SYS_INIT_SP_ADDR)
+	bic	sp, sp, #7 /* 8-byte alignment for ABI compliance */
 	ldr	r0,=0x00000000
 	bl	board_init_f
 
@@ -285,22 +286,22 @@ relocate_code:
 	mov	r4, r0	/* save addr_sp */
 	mov	r5, r1	/* save addr of gd */
 	mov	r6, r2	/* save addr of destination */
-	mov	r7, r2	/* save addr of destination */
 
 	/* Set up the stack						    */
 stack_setup:
 	mov	sp, r4
 
 	adr	r0, _start
+	cmp	r0, r6
+	beq	clear_bss		/* skip relocation */
+	mov	r1, r6			/* r1 <- scratch for copy_loop */
 	ldr	r2, _TEXT_BASE
 	ldr	r3, _bss_start_ofs
 	add	r2, r0, r3		/* r2 <- source end address	    */
-	cmp	r0, r6
-	beq	clear_bss
 
 copy_loop:
 	ldmia	r0!, {r9-r10}		/* copy from source address [r0]    */
-	stmia	r6!, {r9-r10}		/* copy to   target address [r1]    */
+	stmia	r1!, {r9-r10}		/* copy to   target address [r1]    */
 	cmp	r0, r2			/* until source end address [r2]    */
 	blo	copy_loop
 
@@ -309,7 +310,7 @@ copy_loop:
 	 * fix .rel.dyn relocations
 	 */
 	ldr	r0, _TEXT_BASE		/* r0 <- Text base */
-	sub	r9, r7, r0		/* r9 <- relocation offset */
+	sub	r9, r6, r0		/* r9 <- relocation offset */
 	ldr	r10, _dynsym_start_ofs	/* r10 <- sym table ofs */
 	add	r10, r10, r0		/* r10 <- sym table in FLASH */
 	ldr	r2, _rel_dyn_start_ofs	/* r2 <- rel dyn start ofs */
@@ -320,10 +321,10 @@ fixloop:
 	ldr	r0, [r2]		/* r0 <- location to fix up, IN FLASH! */
 	add	r0, r0, r9		/* r0 <- location to fix up in RAM */
 	ldr	r1, [r2, #4]
-	and	r8, r1, #0xff
-	cmp	r8, #23			/* relative fixup? */
+	and	r7, r1, #0xff
+	cmp	r7, #23			/* relative fixup? */
 	beq	fixrel
-	cmp	r8, #2			/* absolute fixup? */
+	cmp	r7, #2			/* absolute fixup? */
 	beq	fixabs
 	/* ignore unknown type of fixup */
 	b	fixnext
@@ -332,7 +333,7 @@ fixabs:
 	mov	r1, r1, LSR #4		/* r1 <- symbol index in .dynsym */
 	add	r1, r10, r1		/* r1 <- address of symbol in table */
 	ldr	r1, [r1, #4]		/* r1 <- symbol value */
-	add	r1, r9			/* r1 <- relocated sym addr */
+	add	r1, r1, r9		/* r1 <- relocated sym addr */
 	b	fixnext
 fixrel:
 	/* relative fix: increase location by offset */
@@ -350,7 +351,7 @@ clear_bss:
 	ldr	r0, _bss_start_ofs
 	ldr	r1, _bss_end_ofs
 	ldr	r3, _TEXT_BASE		/* Text base */
-	mov	r4, r7			/* reloc addr */
+	mov	r4, r6			/* reloc addr */
 	add	r0, r0, r4
 	add	r1, r1, r4
 	mov	r2, #0x00000000		/* clear			    */
@@ -374,7 +375,7 @@ clbss_l:str	r2, [r0]		/* clear loop...		    */
 	add	lr, lr, r9
 	/* setup parameters for board_init_r */
 	mov	r0, r5		/* gd_t */
-	mov	r1, r7		/* dest_addr */
+	mov	r1, r6		/* dest_addr */
 	/* jump to it ... */
 	mov	pc, lr