/*--------------------------------------
return actual bytes read
*/
static esint8 ramdisk_read( int block, char *buf,int blkcnt)
{
#ifdef EN_DMA
memcpy_dma(buf,(eunit8 *)(RAMDISK_ADDRESS_START + block * RAMDISK_SECTOR_SIZE),blkcnt * RAMDISK_SECTOR_SIZE);
#else
memcpy(buf,(euint8 *)(RAMDISK_ADDRESS_START + block * RAMDISK_SECTOR_SIZE),blkcnt * RAMDISK_SECTOR_SIZE);
#endif
return blkcnt*512;
}
void mbed_eth_put_nbytes(const void *bytes, uint32_t n)
{
if (current_buffer.ptr == NULL)
{
MBED_DEBUG("Trying to add %d bytes while prepare_output has not been successfully called\r\n", n);
return;
}
if (n >= DMA_THRESHOLD)
memcpy_dma(current_buffer.ptr + current_buffer.size, bytes, n);
else
memcpy(current_buffer.ptr + current_buffer.size, bytes, n);
current_buffer.size += n;
}
void membench_run(membench_t *dest, const membench_t *src,
membench_result_t *result) {
time_measurement_t mem_tmu;
size_t len;
if (src->size < dest->size)
len = src->size;
else
len = dest->size;
/* memset */
chTMObjectInit(&mem_tmu);
chTMStartMeasurementX(&mem_tmu);
memset(dest->start, 0x55, dest->size);
chTMStopMeasurementX(&mem_tmu);
result->memset = speed_bps(&mem_tmu, dest->size);
/* memcpy */
chTMObjectInit(&mem_tmu);
chTMStartMeasurementX(&mem_tmu);
memcpy(dest->start, src->start, len);
chTMStopMeasurementX(&mem_tmu);
result->memcpy = speed_bps(&mem_tmu, len);
/* memcmp */
chTMObjectInit(&mem_tmu);
chTMStartMeasurementX(&mem_tmu);
warning_suppressor = memcmp(dest->start, src->start, len);
chTMStopMeasurementX(&mem_tmu);
result->memcmp = speed_bps(&mem_tmu, len);
/* memcpy DMA */
memcpy_dma_start();
chTMObjectInit(&mem_tmu);
chTMStartMeasurementX(&mem_tmu);
memcpy_dma(dest->start, src->start, len);
chTMStopMeasurementX(&mem_tmu);
result->memcpy_dma = speed_bps(&mem_tmu, len);
memcpy_dma_stop();
}