mem_attr.h

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/*
 * Copyright (c) 2023 Carlo Caione <[email protected]>
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_MEM_ATTR_H_
#define ZEPHYR_INCLUDE_MEM_ATTR_H_
 
#include <stddef.h>
#include <zephyr/types.h>
#include <zephyr/dt-bindings/memory-attr/memory-attr.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define __MEM_ATTR      zephyr_memory_attr
 
#define _FILTER(node_id, fn)                                            \
        COND_CODE_1(DT_NODE_HAS_PROP(node_id, __MEM_ATTR),              \
                    (fn(node_id)),                                      \
                    ())
 
#define DT_MEMORY_ATTR_FOREACH_STATUS_OKAY_NODE(fn)                     \
        DT_FOREACH_STATUS_OKAY_NODE_VARGS(_FILTER, fn)
 
struct mem_attr_region_t {
        const char *dt_name;
        uintptr_t dt_addr;
        size_t dt_size;
        uint32_t dt_attr;
};
 
size_t mem_attr_get_regions(const struct mem_attr_region_t **region);
 
int mem_attr_check_buf(void *addr, size_t size, uint32_t attr);
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_MEM_ATTR_H_ */