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changed hardcoded, but SYSCLK dependend values to evaluate correctly for the different platforms

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This commit is contained in:
Markus Fröschle
2013-11-01 11:23:52 +00:00
parent c0d88c0254
commit b0fb66314c
5 changed files with 46 additions and 15 deletions
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14
BaS_gcc/sources/dma.c
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@@ -28,6 +28,12 @@
#include "bas_string.h"
#include "cache.h"
#if MACHINE_FIREBEE
#include "firebee.h"
#elif MACHINE_M5484LITE
#include "m5484l.h"
#endif /* MACHINE_FIREBEE */
extern char _SYS_SRAM[];
#define SYS_SRAM &_SYS_SRAM[0]
@@ -59,7 +65,7 @@ void *dma_memcpy(void *dst, void *src, size_t n)
end = MCF_SLT0_SCNT;
time = (start - end) / 132 / 1000;
time = (start - end) / (SYSCLK / 1000) / 1000;
xprintf("memcpy() took %d ms (%f Mbytes/second)\r\n",
time, n / (float) time / 1000.0);
flush_and_invalidate_caches();
@@ -68,7 +74,7 @@ void *dma_memcpy(void *dst, void *src, size_t n)
start = MCF_SLT0_SCNT;
bzero(dst, n);
end = MCF_SLT0_SCNT;
time = (start - end) / 132;
time = (start - end) / (SYSCLK / 1000);
xprintf("bzero() took %d ms (%f Mbytes/second)\r\n", time, n / (float) time / 1000.0);
xprintf(" finished, flush caches: ");
@@ -120,7 +126,7 @@ void *dma_memcpy(void *dst, void *src, size_t n)
} while (ret != MCD_DONE);
end = MCF_SLT0_SCNT;
time = (start - end) / 132 / 1000;
time = (start - end) / (SYSCLK / 1000) / 1000;
//xprintf("start = %d, end = %d, time = %d\r\n", start, end, time);
xprintf("took %d ms (%f Mbytes/second)\r\n", time, n / (float) time / 1000.0);
@@ -151,7 +157,7 @@ void *dma_memcpy(void *dst, void *src, size_t n)
xprintf("DMA copy verification successful!\r\n");
end = MCF_SLT0_SCNT;
time = (start - end) / 132 / 1000;
time = (start - end) / (SYSCLK / 1000) / 1000;
xprintf("took %d ms (%f Mbytes/second)\r\n", time, n / (float) time / 1000.0);
}