31 lines
356 B
ArmAsm
31 lines
356 B
ArmAsm
.file "crt0.s"
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.text
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.globl _start
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_start:
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ldr %sp, .SP
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mov %fp, #0
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# clear .bss-section
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ldr %r1, .BSS_S
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ldr %r2, .BSS_E
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subs %r2, %r2, %r1
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beq gomain
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mov %r0, #0
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bss_clear:
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strb %r0, [%r1]
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subs %r2, %r2, #1
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add %r1, %r1, #1
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bne bss_clear
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gomain:
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bl main
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_end:
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b _end
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.BSS_S:
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.word _bss_start
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.BSS_E:
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.word _bss_end
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.SP:
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.word _sp
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