FreeCalypso > hg > freecalypso-tools
annotate target-utils/libc/memcpy.S @ 416:30f6d1c32c6f
doc/Flash-boot-defect article removed (no longer relevant)
This article is no longer relevant because the issue in question
only affected one (1) defective FCDEV3B board which was not
and never will be sold.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 26 Oct 2018 07:11:08 +0000 |
parents | f4619719834f |
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f4619719834f
target-utils/libc: our own memcpy assembly implementation
Mychaela Falconia <falcon@freecalypso.org>
parents:
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1 .text |
f4619719834f
target-utils/libc: our own memcpy assembly implementation
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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2 .code 32 |
f4619719834f
target-utils/libc: our own memcpy assembly implementation
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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3 .globl memcpy |
f4619719834f
target-utils/libc: our own memcpy assembly implementation
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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4 memcpy: |
f4619719834f
target-utils/libc: our own memcpy assembly implementation
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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5 1: subs r2, r2, #1 |
f4619719834f
target-utils/libc: our own memcpy assembly implementation
Mychaela Falconia <falcon@freecalypso.org>
parents:
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6 ldrcsb r3, [r1], #1 |
f4619719834f
target-utils/libc: our own memcpy assembly implementation
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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7 strcsb r3, [r0], #1 |
f4619719834f
target-utils/libc: our own memcpy assembly implementation
Mychaela Falconia <falcon@freecalypso.org>
parents:
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8 bhi 1b |
f4619719834f
target-utils/libc: our own memcpy assembly implementation
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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9 bx lr |