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Merge branch 'fix' of git://git.denx.de/u-boot-pxa

Wolfgang Denk 15 年之前
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共有 1 个文件被更改,包括 4 次插入1 次删除
  1. 4 1
      arch/arm/cpu/pxa/start.S

+ 4 - 1
arch/arm/cpu/pxa/start.S

@@ -140,7 +140,10 @@ stack_setup:
 #ifdef CONFIG_USE_IRQ
 	sub	r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ)
 #endif /* CONFIG_USE_IRQ */
-	sub	sp, r0, #12		/* leave 3 words for abort-stack    */
+	sub	r0, r0, #12		/* leave 3 words for abort-stack    */
+	bic	sp, r0, #7		/* NOTE: stack MUST be aligned to   */
+					/* 8 bytes in case we want to use   */
+					/* 64bit datatypes (eg. VSPRINTF64) */
 
 clear_bss:
 	ldr	r0, _bss_start		/* find start of bss segment	    */