FreeCalypso > hg > freecalypso-tools
annotate target-utils/libc/memcpy32.S @ 561:392525355ee7
loadtools/scripts: gtm900.config renamed to gen4.config
It turns out that a GTM900 variant exists with 8 MiB flash, thus -h gen8
needs to be used for GTM900 modules as the general case, and the old
-h gtm900 config is best renamed to -h gen4, although not currently official
for any actual target.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 30 Jan 2020 07:10:20 +0000 |
parents | 8dc062c6359b |
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rev | line source |
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90
8dc062c6359b
target-utils/libc: memcpy16 and memcpy32 optimized variants implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1 .text |
8dc062c6359b
target-utils/libc: memcpy16 and memcpy32 optimized variants implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2 .code 32 |
8dc062c6359b
target-utils/libc: memcpy16 and memcpy32 optimized variants implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
3 .globl memcpy32 |
8dc062c6359b
target-utils/libc: memcpy16 and memcpy32 optimized variants implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
4 memcpy32: |
8dc062c6359b
target-utils/libc: memcpy16 and memcpy32 optimized variants implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
5 1: subs r2, r2, #4 |
8dc062c6359b
target-utils/libc: memcpy16 and memcpy32 optimized variants implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
6 ldrcs r3, [r1], #4 |
8dc062c6359b
target-utils/libc: memcpy16 and memcpy32 optimized variants implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
7 strcs r3, [r0], #4 |
8dc062c6359b
target-utils/libc: memcpy16 and memcpy32 optimized variants implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
8 bhi 1b |
8dc062c6359b
target-utils/libc: memcpy16 and memcpy32 optimized variants implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
9 bx lr |