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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)
- /**
- * @brief Generate a linker memory region from a devicetree node
- *
- * If @p node_id refers to a node with status "okay", then this declares
- * a linker memory region named @p name with attributes from @p attr.
- *
- * Otherwise, it doesn't expand to anything.
- *
- * @param name name of the generated memory region
- * @param attr region attributes to use (rx, rw, ...)
- * @param node_id devicetree node identifier with a \<reg\> property
- * defining region location and size.
- */
- #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)), \
- ())
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