125 lines
1.8 KiB
ArmAsm
125 lines
1.8 KiB
ArmAsm
# 0 "startup_ARMCM0.S"
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# 0 "<built-in>"
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# 0 "<command-line>"
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# 1 "startup_ARMCM0.S"
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# 33 "startup_ARMCM0.S"
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.syntax unified
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.arch armv6-m
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.section .stack
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.align 3
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.equ Stack_Size, 0xc00
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.globl __StackTop
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.globl __StackLimit
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__StackLimit:
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.space Stack_Size
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.size __StackLimit, . - __StackLimit
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__StackTop:
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.size __StackTop, . - __StackTop
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.section .heap
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.align 3
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.equ Heap_Size, 0
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.globl __HeapBase
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.globl __HeapLimit
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__HeapBase:
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.if Heap_Size
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.space Heap_Size
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.endif
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.size __HeapBase, . - __HeapBase
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__HeapLimit:
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.size __HeapLimit, . - __HeapLimit
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.section .isr_vector
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.align 2
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.globl __isr_vector
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__isr_vector:
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.long __StackTop
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.long Reset_Handler
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.long NMI_Handler
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.long HardFault_Handler
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.long 0
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.long 0
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.long 0
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.long 0
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.long 0
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.long 0
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.long 0
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.long SVC_Handler
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.long 0
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.long 0
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.long PendSV_Handler
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.long SysTick_Handler
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.long Default_Handler
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.size __isr_vector, . - __isr_vector
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.text
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.thumb
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.thumb_func
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.align 1
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.globl Reset_Handler
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.type Reset_Handler, %function
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Reset_Handler:
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# 150 "startup_ARMCM0.S"
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ldr r1, =__etext
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ldr r2, =__data_start__
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ldr r3, =__data_end__
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subs r3, r2
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ble .L_loop1_done
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.L_loop1:
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subs r3, #4
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ldr r0, [r1,r3]
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str r0, [r2,r3]
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bgt .L_loop1
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.L_loop1_done:
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# 229 "startup_ARMCM0.S"
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bl SystemInit
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bl _start
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.pool
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.size Reset_Handler, . - Reset_Handler
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.align 1
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.thumb_func
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.weak Default_Handler
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.type Default_Handler, %function
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Default_Handler:
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b .
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.size Default_Handler, . - Default_Handler
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.macro def_irq_handler handler_name
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.weak \handler_name
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.set \handler_name, Default_Handler
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.endm
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def_irq_handler NMI_Handler
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def_irq_handler HardFault_Handler
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def_irq_handler SVC_Handler
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def_irq_handler PendSV_Handler
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def_irq_handler SysTick_Handler
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def_irq_handler DEF_IRQHandler
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.end
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