diff options
Diffstat (limited to 'source/hal/source/components/npu/ethosu_cpu_cache.c')
-rw-r--r-- | source/hal/source/components/npu/ethosu_cpu_cache.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/source/hal/source/components/npu/ethosu_cpu_cache.c b/source/hal/source/components/npu/ethosu_cpu_cache.c new file mode 100644 index 0000000..13f6f0a --- /dev/null +++ b/source/hal/source/components/npu/ethosu_cpu_cache.c @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2022 Arm Limited. All rights reserved. + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "ethosu_cpu_cache.h" + +#include "RTE_Components.h" /* For CPU related defintiions */ +#include "ethosu_driver.h" /* Arm Ethos-U driver header */ +#include "log_macros.h" /* Logging macros */ + +void ethosu_flush_dcache(uint32_t *p, size_t bytes) +{ +#if defined (__DCACHE_PRESENT) && (__DCACHE_PRESENT == 1U) + if (SCB->CCR & SCB_CCR_DC_Msk) { + if (p) { + SCB_CleanDCache_by_Addr((void *) p, (int32_t) bytes); + } else { + SCB_CleanDCache(); + } + } +#else + UNUSED(p); + UNUSED(bytes); +#endif /* defined (__DCACHE_PRESENT) && (__DCACHE_PRESENT == 1U) */ +} + +void ethosu_invalidate_dcache(uint32_t *p, size_t bytes) +{ +#if defined (__DCACHE_PRESENT) && (__DCACHE_PRESENT == 1U) + if (SCB->CCR & SCB_CCR_DC_Msk) { + if (p) { + SCB_InvalidateDCache_by_Addr((void *) p, (int32_t) bytes); + } else { + SCB_InvalidateDCache(); + } + } +#else + UNUSED(p); + UNUSED(bytes); +#endif /* defined (__DCACHE_PRESENT) && (__DCACHE_PRESENT == 1U) */ +} |