110 lines
2.9 KiB
C++
110 lines
2.9 KiB
C++
/*
|
|
* Copyright (C) 2022 The Android Open Source Project
|
|
*
|
|
* 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 <cstddef>
|
|
|
|
#include "chre/platform/memory.h"
|
|
#include "chre/platform/shared/dram_vote_client.h"
|
|
#include "chre/platform/shared/memory.h"
|
|
#include "mt_alloc.h"
|
|
#include "mt_dma.h"
|
|
#include "portable.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include "encoding.h"
|
|
#include "mt_heap.h"
|
|
#include "resource_req.h"
|
|
#include "sensorhub/heap.h"
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
#endif
|
|
|
|
namespace chre {
|
|
|
|
// On tinysys voting/devoting dram are done automatically by the platform APIs
|
|
// so issueDramVote() should be a no-op.
|
|
void DramVoteClient::issueDramVote(bool /*enabled*/) {}
|
|
|
|
// no-op since the dma access is controlled by the kernel automatically
|
|
void forceDramAccess() {}
|
|
|
|
void nanoappBinaryFree(void *pointer) {
|
|
aligned_free(pointer);
|
|
}
|
|
|
|
void nanoappBinaryDramFree(void *pointer) {
|
|
aligned_dram_free(pointer);
|
|
}
|
|
|
|
void *memoryAllocDram(size_t size) {
|
|
return pvPortDramMalloc(size);
|
|
}
|
|
|
|
void memoryFreeDram(void *pointer) {
|
|
vPortDramFree(pointer);
|
|
}
|
|
|
|
void *palSystemApiMemoryAlloc(size_t size) {
|
|
return memoryAlloc(size);
|
|
}
|
|
|
|
void palSystemApiMemoryFree(void *pointer) {
|
|
memoryFree(pointer);
|
|
}
|
|
|
|
void *nanoappBinaryAlloc(size_t size, size_t alignment) {
|
|
return aligned_malloc(size, alignment);
|
|
}
|
|
|
|
void *nanoappBinaryDramAlloc(size_t size, size_t alignment) {
|
|
// aligned_dram_malloc() requires the alignment being multiple of
|
|
// CACHE_LINE_SIZE (128 bytes), we will align to page size (4k)
|
|
return aligned_dram_malloc(size, alignment);
|
|
}
|
|
|
|
void *memoryAlloc(size_t size) {
|
|
void *address = heap_alloc(size);
|
|
if (address == nullptr && size > 0) {
|
|
// Try dram if allocation from sram fails.
|
|
// DramVoteClient tracks the duration of the allocations falling back to
|
|
// dram. The idea is that only transient allocations are allowed to fall
|
|
// back to dram. Any long-lived allocation should be done explicitly via
|
|
// corresponding memory allocation APIs.
|
|
DramVoteClientSingleton::get()->incrementDramVoteCount();
|
|
address = pvPortDramMalloc(size);
|
|
|
|
// DRAM allocation failed too.
|
|
if (address == nullptr) {
|
|
DramVoteClientSingleton::get()->decrementDramVoteCount();
|
|
}
|
|
}
|
|
return address;
|
|
}
|
|
|
|
void memoryFree(void *pointer) {
|
|
if (isInDram(pointer)) {
|
|
vPortDramFree(pointer);
|
|
DramVoteClientSingleton::get()->decrementDramVoteCount();
|
|
} else {
|
|
heap_free(pointer);
|
|
}
|
|
}
|
|
} // namespace chre
|