27 lines
822 B
C
27 lines
822 B
C
|
/*
|
||
|
|
* 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
|
||
|
|
*
|
||
|
|
* @param name name of the generated memory region
|
||
|
|
* @param attr region attributes to use (rx, rw, ...)
|
||
|
|
* @param node devicetree node with a <reg> property defining region location
|
||
|
|
* and size.
|
||
|
|
*/
|
||
|
|
#define DT_REGION_FROM_NODE_STATUS_OKAY(name, attr, node) \
|
||
|
|
COND_CODE_1(DT_NODE_HAS_STATUS(node, okay), \
|
||
|
|
(_REGION_DECLARE(name, attr, node)), \
|
||
|
|
())
|