Stack_Size EQU 0x00000400 ; 256KB of STACK AREA STACK, NOINIT, READWRITE, ALIGN=4 Stack_Mem SPACE Stack_Size __initial_sp Heap_Size EQU 0x00000400 ; 1MB of HEAP AREA HEAP, NOINIT, READWRITE, ALIGN=4 __heap_base Heap_Mem SPACE Heap_Size __heap_limit ; Vector Table Mapped to Address 0 at Reset PRESERVE8 THUMB AREA RESET, DATA, READONLY EXPORT __Vectors __Vectors DCD 0x0000FFFC DCD Reset_Handler DCD 0 DCD 0 DCD 0 DCD 0 DCD 0 DCD 0 DCD 0 DCD 0 DCD 0 DCD 0 DCD 0 DCD 0 DCD 0 DCD 0 ; External Interrupts DCD 0 DCD UART_Handler DCD 0 DCD 0 DCD 0 DCD 0 DCD 0 DCD 0 DCD 0 DCD 0 DCD 0 DCD 0 DCD 0 DCD 0 DCD 0 DCD 0 AREA |.text|, CODE, READONLY ;Reset Handler Reset_Handler PROC GLOBAL Reset_Handler ENTRY IMPORT __main LDR R0, =__main BX R0 ;Branch to __main ENDP UART_Handler PROC EXPORT UART_Handler IMPORT UART_ISR PUSH {R0,R1,R2,LR} BL UART_ISR POP {R0,R1,R2,PC} ENDP ALIGN 4 ; Align to a word boundary ; User Initial Stack & Heap IF :DEF:__MICROLIB EXPORT __initial_sp EXPORT __heap_base EXPORT __heap_limit ELSE IMPORT __use_two_region_memory EXPORT __user_initial_stackheap __user_initial_stackheap LDR R0, = Heap_Mem LDR R1, =(Stack_Mem + Stack_Size) LDR R2, = (Heap_Mem + Heap_Size) LDR R3, = Stack_Mem BX LR ALIGN ENDIF END