26 lines
473 B
ArmAsm
26 lines
473 B
ArmAsm
.file "mempcpy.S"
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.section .text
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.global _mempcpy
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.type _mempcpy,@function
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_mempcpy:
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#ifdef __RX_DISALLOW_STRING_INSNS__
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/* Do not use the string instructions - they might prefetch
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bytes from outside of valid memory. This is particularly
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dangerous in I/O space. */
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cmp #0, r3 ; If the count is zero, do nothing
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beq 2f
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1: mov.b [r2+], r5
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mov.b r5, [r1+]
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sub #1, r3
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bne 1b
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2: rts
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#else
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smovf
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rts
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#endif
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.size _mempcpy, . - _mempcpy
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