devicetree_regions.h

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/*
 * Copyright (c) 2021, Commonwealth Scientific and Industrial Research
 * Organisation (CSIRO) ABN 41 687 119 230.
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Generate memory regions from devicetree nodes.
 */
 
/* Declare a memory region */
#define _REGION_DECLARE(name, attr, node) name(attr) : \
        ORIGIN = DT_REG_ADDR(node),                    \
        LENGTH = DT_REG_SIZE(node)
 
#define LINKER_DT_REGION_FROM_NODE(name, attr, node_id)         \
        COND_CODE_1(DT_NODE_HAS_STATUS(node_id, okay),          \
                    (_REGION_DECLARE(name, attr, node_id)),     \
                    ())