| /* |
| * 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)), \ |
| ()) |
