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https://github.com/espressif/esp-idf.git
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e92250e6a2
this commits: - adds build-time test to check that no call to flash regions are done from IRAM functions - resolves problems related to IRAM function using content in flash memory - update heap_caps_alloc_failed to use a default function name in DRAM when necessary instead of creating a function name variable in DRAM for each call of heap_caps_alloc_failed. This allows to save some extra bytes in RAM.
70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include <stdlib.h>
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#include <stdint.h>
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#include <soc/soc_memory_layout.h>
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#include "multi_heap.h"
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#include "multi_heap_platform.h"
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#include "sys/queue.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Some common heap registration data structures used
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for heap_caps_init.c to share heap information with heap_caps.c
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*/
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#define HEAP_SIZE_MAX (SOC_MAX_CONTIGUOUS_RAM_SIZE)
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/* Type for describing each registered heap */
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typedef struct heap_t_ {
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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.
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intptr_t start;
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intptr_t end;
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multi_heap_lock_t heap_mux;
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multi_heap_handle_t heap;
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SLIST_ENTRY(heap_t_) next;
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} heap_t;
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/* All registered heaps.
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Forms a single linked list, even though most entries are contiguous.
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This means at the expense of 4 bytes per heap, new heaps can be
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added at runtime in a fast & thread-safe way.
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*/
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extern SLIST_HEAD(registered_heap_ll, heap_t_) registered_heaps;
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bool heap_caps_match(const heap_t *heap, uint32_t caps);
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/* return all possible capabilities (across all priorities) for a given heap */
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inline static __attribute__((always_inline)) uint32_t get_all_caps(const heap_t *heap)
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{
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if (heap->heap == NULL) {
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return 0;
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}
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uint32_t all_caps = 0;
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for (int prio = 0; prio < SOC_MEMORY_TYPE_NO_PRIOS; prio++) {
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all_caps |= heap->caps[prio];
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}
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return all_caps;
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}
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/*
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Because we don't want to add _another_ known allocation method to the stack of functions to trace wrt memory tracing,
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these are declared private. The newlib malloc()/realloc() implementation also calls these, so they are declared
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separately in newlib/syscalls.c.
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*/
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void *heap_caps_realloc_default(void *p, size_t size);
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void *heap_caps_malloc_default(size_t size);
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#ifdef __cplusplus
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}
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#endif
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