X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Farm%2Fcpu%2Fpxa%2Fstart.S;h=3e07c7c35abcce5d90b5fef462d5c6b56797aed7;hb=18122019972ca639ee3b581257e3a63ff7c8efeb;hp=456a7836dae705e68084e0ff98c36b9205643e81;hpb=0ce033d2582129243aca10d3072a221386bbba44;p=u-boot

diff --git a/arch/arm/cpu/pxa/start.S b/arch/arm/cpu/pxa/start.S
index 456a7836da..3e07c7c35a 100644
--- a/arch/arm/cpu/pxa/start.S
+++ b/arch/arm/cpu/pxa/start.S
@@ -102,7 +102,7 @@ _end_vect:
 
 .globl _TEXT_BASE
 _TEXT_BASE:
-#ifdef	CONFIG_SPL_BUILD
+#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_TEXT_BASE)
 	.word	CONFIG_SPL_TEXT_BASE
 #else
 	.word	CONFIG_SYS_TEXT_BASE
@@ -118,6 +118,10 @@ _TEXT_BASE:
 _bss_start_ofs:
 	.word __bss_start - _start
 
+.globl _image_copy_end_ofs
+_image_copy_end_ofs:
+	.word __image_copy_end - _start
+
 .globl _bss_end_ofs
 _bss_end_ofs:
 	.word __bss_end - _start
@@ -169,17 +173,13 @@ reset:
 /*------------------------------------------------------------------------------*/
 #ifndef CONFIG_SPL_BUILD
 /*
- * void relocate_code (addr_sp, gd, addr_moni)
- *
- * This "function" does not return, instead it continues in RAM
- * after relocating the monitor code.
+ * void relocate_code(addr_moni)
  *
+ * This function relocates the monitor code.
  */
 	.globl	relocate_code
 relocate_code:
-	mov	r4, r0	/* save addr_sp */
-	mov	r5, r1	/* save addr of gd */
-	mov	r6, r2	/* save addr of destination */
+	mov	r6, r0	/* save addr of destination */
 
 /* Disable the Dcache RAM lock for stack now */
 #ifdef	CONFIG_CPU_PXA25X
@@ -189,16 +189,15 @@ relocate_code:
 #endif
 
 	adr	r0, _start
-	cmp	r0, r6
-	moveq	r9, #0		/* no relocation. relocation offset(r9) = 0 */
+	subs	r9, r6, r0		/* r9 <- relocation offset */
 	beq	relocate_done		/* skip relocation */
 	mov	r1, r6			/* r1 <- scratch for copy_loop */
-	ldr	r3, _bss_start_ofs
+	ldr	r3, _image_copy_end_ofs
 	add	r2, r0, r3		/* r2 <- source end address	    */
 
 copy_loop:
-	ldmia	r0!, {r9-r10}		/* copy from source address [r0]    */
-	stmia	r1!, {r9-r10}		/* copy to   target address [r1]    */
+	ldmia	r0!, {r10-r11}		/* copy from source address [r0]    */
+	stmia	r1!, {r10-r11}		/* copy to   target address [r1]    */
 	cmp	r0, r2			/* until source end address [r2]    */
 	blo	copy_loop
 
@@ -207,7 +206,6 @@ copy_loop:
 	 * fix .rel.dyn relocations
 	 */
 	ldr	r0, _TEXT_BASE		/* r0 <- Text base */
-	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 */