42 lines
645 B
ArmAsm
42 lines
645 B
ArmAsm
.syntax unified
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.cpu cortex-m3
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.fpu softvfp
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.section ".text"
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.thumb
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.global _start
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.type _start, %function
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_start:
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/* fill .bss with 0 using byte stores */
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ldr r0, =_bss
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ldr r1, =_ebss
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mov r2, #0
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.L0:
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strb r2, [r0], #1
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cmp r0, r1
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bcc.n .L0
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/* copy initialized .data from rom to ram */
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ldr r0, =_data
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ldr r1, =_edata
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ldr r2, =_ldata
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.L1:
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ldrb r3, [r2], #1
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strb r3, [r0], #1
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cmp r0, r1
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bcc.n .L1
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/* branch to main */
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ldr r0, =main+1
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bx r0
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.size _start, .-_start
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.section ".CRP._0x02FC","a",%progbits
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.globl CRP_Key
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CRP_Key:
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.word 0xFFFFFFFF
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.end
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