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e3_176_ref/middleware/flashloader/flash_loader_asm.s

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+;---------------------------------
+;
+; Copyright (c) 2008 IAR Systems
+;
+; Licensed under the Apache License, Version 2.0 (the "License");
+; you may not use this file except in compliance with the License.
+; You may obtain a copy of the License at
+;     http://www.apache.org/licenses/LICENSE-2.0
+;
+; Unless required by applicable law or agreed to in writing, software
+; distributed under the License is distributed on an "AS IS" BASIS,
+; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+; See the License for the specific language governing permissions and
+; limitations under the License.
+;
+; $Revision: 117855 $
+;
+; Functions accessed by the debugger to perform a flash download.
+; All public symbols and the function FlashBreak() are looked up and called by the debugger.
+;
+;---------------------------------
+
+#define _CORTEX_  ((__CORE__ == __ARM6M__) || (__CORE__ == __ARM6SM__) || (__CORE__ == __ARM7M__) \
+|| (__CORE__ == __ARM7EM__) || (__CORE__ == __ARM8M__) || (__CORE__ == __ARM8M_BASELINE__)        \
+|| (__CORE__ == __ARM8M_MAINLINE__) || (__CORE__ == __ARM8EM_MAINLINE__))
+
+        PUBLIC FlashInitEntry
+        PUBLIC FlashWriteEntry
+        PUBLIC FlashEraseWriteEntry
+        PUBLIC FlashChecksumEntry
+        PUBLIC FlashSignoffEntry
+        PUBLIC FlashBufferStart
+        PUBLIC FlashBufferEnd
+
+        EXTERN FlashBreak
+        EXTERN Fl2FlashInitEntry
+        EXTERN Fl2FlashWriteEntry
+        EXTERN Fl2FlashEraseWriteEntry
+        EXTERN Fl2FlashChecksumEntry
+        EXTERN Fl2FlashSignoffEntry
+
+        SECTION CSTACK:DATA:NOROOT(3)
+
+
+;---------------------------------
+;
+; FlashInitEntry()
+; Debugger interface function
+;
+;---------------------------------
+        SECTION .text:CODE:ROOT(2)
+#if !_CORTEX_
+        ARM
+#else
+        THUMB
+#endif
+
+FlashInitEntry:
+#if !_CORTEX_
+        ;; Set up the normal stack pointer.
+        LDR     sp, =SFE(CSTACK)        ; End of CSTACK
+#endif
+        BL       Fl2FlashInitEntry
+        BL       FlashBreak
+
+
+;---------------------------------
+;
+; FlashWriteEntry()
+; Debugger interface function
+;
+;---------------------------------
+        SECTION .text:CODE:ROOT(2)
+#if !_CORTEX_
+        ARM
+#else
+        THUMB
+#endif
+
+FlashWriteEntry:
+        BL       Fl2FlashWriteEntry
+        BL       FlashBreak
+
+
+;---------------------------------
+;
+; FlashEraseWriteEntry
+; Debugger interface function
+;
+;---------------------------------
+        SECTION .text:CODE:ROOT(2)
+#if !_CORTEX_
+        ARM
+#else
+        THUMB
+#endif
+
+FlashEraseWriteEntry:
+        BL       Fl2FlashEraseWriteEntry
+        BL       FlashBreak
+
+
+;---------------------------------
+;
+; FlashChecksumEntry
+; Debugger interface function
+;
+;---------------------------------
+        SECTION .text:CODE:NOROOT(2)
+#if !_CORTEX_
+        ARM
+#else
+        THUMB
+#endif
+
+FlashChecksumEntry:
+        BL       Fl2FlashChecksumEntry
+        BL       FlashBreak
+
+
+;---------------------------------
+;
+; FlashSignoffEntry
+; Debugger interface function
+;
+;---------------------------------
+        SECTION .text:CODE:NOROOT(2)
+#if !_CORTEX_
+        ARM
+#else
+        THUMB
+#endif
+
+FlashSignoffEntry:
+        BL       Fl2FlashSignoffEntry
+        BL       FlashBreak
+
+
+;---------------------------------
+;
+; Flash buffer and Cortex stack
+;
+;---------------------------------
+        SECTION LOWEND:DATA(8)
+        DATA
+FlashBufferStart:
+
+        SECTION HIGHSTART:DATA
+        DATA
+FlashBufferEnd:
+
+
+#if _CORTEX_
+        PUBLIC __vector_table
+
+        SECTION .intvec:CODE:ROOT(2)
+        DATA
+
+__vector_table:
+        DC32    SFE(CSTACK)
+        DC32    FlashInitEntry
+        ; The following dummy entries are needed for NXP devices that requires a checksum for the range __vector_table-__vector_table+0x1B
+        DC32    0
+        DC32    0
+        DC32    0
+        DC32    0
+        DC32    0
+        DC32    0
+#endif
+
+        END