33 lines
614 B
C
33 lines
614 B
C
#include <aal/dma.h>
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#include <amemcpy.h>
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int memcpy_async(unsigned long dest, unsigned long src,
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unsigned long len, int wait, unsigned long *notify)
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{
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struct aal_dma_request req;
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unsigned long fin = 0;
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if (notify)
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*notify = 0;
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memset(&req, 0, sizeof(req));
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req.src_phys = src;
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req.dest_phys = dest;
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req.size = len;
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if (notify) {
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req.notify = (void *)virt_to_phys(notify);
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req.priv = (void *)1;
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} else if (wait) {
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req.notify = (void *)virt_to_phys(&fin);
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req.priv = (void *)1;
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}
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aal_mc_dma_request(0, &req);
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if (wait) {
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while (!fin) {
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barrier();
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}
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}
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return 0;
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}
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