kopia lustrzana https://github.com/espressif/esp-idf
78 wiersze
2.4 KiB
C
78 wiersze
2.4 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
|
|
//
|
|
// 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.
|
|
#pragma once
|
|
|
|
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
#include <soc/soc_memory_layout.h>
|
|
#include "multi_heap.h"
|
|
#include "multi_heap_platform.h"
|
|
#include "sys/queue.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* Some common heap registration data structures used
|
|
for heap_caps_init.c to share heap information with heap_caps.c
|
|
*/
|
|
|
|
#define HEAP_SIZE_MAX (SOC_MAX_CONTIGUOUS_RAM_SIZE)
|
|
|
|
/* Type for describing each registered heap */
|
|
typedef struct heap_t_ {
|
|
uint32_t caps[SOC_MEMORY_TYPE_NO_PRIOS]; ///< Capabilities for the type of memory in this heap (as a prioritised set). Copied from soc_memory_types so it's in RAM not flash.
|
|
intptr_t start;
|
|
intptr_t end;
|
|
multi_heap_lock_t heap_mux;
|
|
multi_heap_handle_t heap;
|
|
SLIST_ENTRY(heap_t_) next;
|
|
} heap_t;
|
|
|
|
/* All registered heaps.
|
|
|
|
Forms a single linked list, even though most entries are contiguous.
|
|
This means at the expense of 4 bytes per heap, new heaps can be
|
|
added at runtime in a fast & thread-safe way.
|
|
*/
|
|
extern SLIST_HEAD(registered_heap_ll, heap_t_) registered_heaps;
|
|
|
|
bool heap_caps_match(const heap_t *heap, uint32_t caps);
|
|
|
|
/* return all possible capabilities (across all priorities) for a given heap */
|
|
inline static IRAM_ATTR uint32_t get_all_caps(const heap_t *heap)
|
|
{
|
|
if (heap->heap == NULL) {
|
|
return 0;
|
|
}
|
|
uint32_t all_caps = 0;
|
|
for (int prio = 0; prio < SOC_MEMORY_TYPE_NO_PRIOS; prio++) {
|
|
all_caps |= heap->caps[prio];
|
|
}
|
|
return all_caps;
|
|
}
|
|
|
|
/*
|
|
Because we don't want to add _another_ known allocation method to the stack of functions to trace wrt memory tracing,
|
|
these are declared private. The newlib malloc()/realloc() implementation also calls these, so they are declared
|
|
separately in newlib/syscalls.c.
|
|
*/
|
|
void *heap_caps_realloc_default(void *p, size_t size);
|
|
void *heap_caps_malloc_default(size_t size);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|