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PSP: switch from wrapping memcpy to defining our own memcpy

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The advantage is that we get to do inlining and even use lwl and lwr instructions where appropriate. We have to do it ourselves because the PSP doesn't tolerate built-in instructions, but also we have a more efficient memcpy than the lib's.

svn-id: r52817
This commit is contained in:
Yotam Barnoy 2010-09-20 14:10:44 +00:00
parent 05f0ebf262
commit f7f743ac31
4 changed files with 37 additions and 22 deletions
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17
backends/platform/psp/memory.cpp
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@ -37,23 +37,6 @@
//#define TEST_MEMORY_COPY
extern "C" {
#ifdef TEST_MEMORY_COPY /* we won't be able to run in this case b/c of printouts */
extern void *__real_memcpy(void *dst, void *src, size_t bytes);
#endif
void *__wrap_memcpy(void *dst, void *src, size_t bytes) {
#ifdef TEST_MEMORY_COPY /* we won't be able to run in this case */
return __real_memcpy(dst, src, bytes);
#else
PspMemory::fastCopy((byte *)dst, (byte *)src, bytes);
return dst;
#endif
}
}
void PspMemory::copy(byte *dst, const byte *src, uint32 bytes) {
DEBUG_ENTER_FUNC();