39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "FreeRTOS.h"
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#include "chre/target_platform/platform_cache_management.h"
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#include "chre/platform/shared/nanoapp_loader.h"
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#include "dma_api.h"
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namespace chre {
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void wipeSystemCaches(uintptr_t address, uint32_t span) {
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if (span == 0) return;
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auto aligned_addr = NanoappLoader::roundDownToAlign(address, CACHE_LINE_SIZE);
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auto aligned_span = (span + CACHE_LINE_SIZE - 1) & ~(CACHE_LINE_SIZE - 1);
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LOGV("Invalidate cache at 0x%lx for %u", aligned_addr, aligned_span);
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// Flush D cache first for updating binary to heap memory
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mrv_dcache_flush_multi_addr(aligned_addr, aligned_span);
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// Invalid I cache for fetch instructions
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mrv_icache_invalid_multi_addr(aligned_addr, aligned_span);
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}
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} // namespace chre
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