Changeset 305 for asp3_wo_tecs/trunk/arch/arm_gcc/common/start.S

Timestamp:

Jun 26, 2017, 6:45:41 PM (7 years ago)

Author:

ertl-honda

Message:

3.0.0のリリース版に追従

File:

• asp3_wo_tecs/trunk/arch/arm_gcc/common/start.S (modified) (4 diffs)

asp3_wo_tecs/trunk/arch/arm_gcc/common/start.S

@@ -5 +5 @@
  *  Copyright (C) 2000-2003 by Embedded and Real-Time Systems Laboratory
  *                              Toyohashi Univ. of Technology, JAPAN
- *  Copyright (C) 2005-2014 by Embedded and Real-Time Systems Laboratory
+ *  Copyright (C) 2005-2016 by Embedded and Real-Time Systems Laboratory
  *              Graduate School of Information Science, Nagoya Univ., JAPAN
  * 
@@ -52 +52 @@
  *  ã®è²¬ä»»ã‚’è² ã‚ãªã„ï¼Ž
  * 
- *  $Id: start.S 349 2015-07-25 05:25:27Z ertl-hiro $
+ *  $Id: start.S 540 2016-01-16 02:15:41Z ertl-hiro $
  */
 
@@ -106 +106 @@
          *  BSS_STARTからBSS_ENDまでをゼロクリアする．
          */
-        ldr             r1, =BSS_START
+        ldr             r0, =BSS_START
         ldr             r2, =BSS_END
-        cmp             r1, r2
+        cmp             r0, r2
         bhs             start_3
-        mov             r0, #0
+        mov             r1, #0
+#ifdef TOPPERS_USE_STDLIB
+        sub             r2, r2, r0
+        bl              memset
+#else /* TOPPERS_USE_STDLIB */
 ALABEL(start_2)
-        str             r0, [r1], #4
-        cmp             r1, r2
+        str             r1, [r0], #4
+        cmp             r0, r2
         blo             start_2
+#endif /* TOPPERS_USE_STDLIB */
 ALABEL(start_3)
 #endif /* TOPPERS_OMIT_BSS_INIT */
@@ -125 +130 @@
          *  IDATA_STARTからIDATA_ENDまでを，DATA_START以降にコピーする．
          */
-        ldr             r1, =DATA_START
-        ldr             r3, =DATA_END
-        cmp             r1, r3
+        ldr             r0, =DATA_START
+        ldr             r2, =DATA_END
+        cmp             r0, r2
         bhs             start_5
-        ldr             r2, =IDATA_START
+        ldr             r1, =IDATA_START
+#ifdef TOPPERS_USE_STDLIB
+        sub             r2, r2, r0
+        bl              memcpy
+#else /* TOPPERS_USE_STDLIB */
 ALABEL(start_4)
-        ldr             r0, [r2], #4
-        str             r0, [r1], #4
-        cmp             r1, r3
+        ldr             r3, [r1], #4
+        str             r3, [r0], #4
+        cmp             r0, r2
         blo             start_4
+#endif /* TOPPERS_USE_STDLIB */
 ALABEL(start_5)
 #endif /* TOPPERS_OMIT_DATA_INIT */