diff options
Diffstat (limited to 'os/hal/ports/SAMA/LLD/CRYPTOv1/sama_gcm_lld.c')
| -rw-r--r-- | os/hal/ports/SAMA/LLD/CRYPTOv1/sama_gcm_lld.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/os/hal/ports/SAMA/LLD/CRYPTOv1/sama_gcm_lld.c b/os/hal/ports/SAMA/LLD/CRYPTOv1/sama_gcm_lld.c index 2496c03d3..3e9471a2a 100644 --- a/os/hal/ports/SAMA/LLD/CRYPTOv1/sama_gcm_lld.c +++ b/os/hal/ports/SAMA/LLD/CRYPTOv1/sama_gcm_lld.c @@ -36,8 +36,27 @@ static cryerror_t sama_gcm_lld_process_dma(CRYDriver *cryp,cgmcontext * cxt) {
#if defined(SAMA_DMA_REQUIRED)
+ osalDbgAssert(!((uint32_t) cxt->in & (L1_CACHE_BYTES - 1)), "in address not cache aligned");
+ osalDbgAssert(!((uint32_t) cxt->out & (L1_CACHE_BYTES - 1)), "out address not cache aligned");
osalDbgAssert(cryp->thread == NULL, "already waiting");
+#if 0
+ osalDbgAssert(!(cxt->c_size & (L1_CACHE_BYTES - 1)), "size not multiple of cache line");
+#endif
+
+ cacheCleanRegion((uint8_t *) cxt->in, cxt->c_size);
+
+ /*
+ * If size is not multiple of cache line, clean cache region is required.
+ * TODO: remove when size assert works
+ */
+ if (cxt->c_size & (L1_CACHE_BYTES - 1)) {
+ cacheCleanRegion((uint8_t *) cxt->out, cxt->c_size);
+ }
+
+ cryp->out = cxt->out;
+ cryp->in = cxt->in;
+ cryp->len = cxt->c_size;
//set chunk size
cryp->dmachunksize = DMA_CHUNK_SIZE_4;
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