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Diffstat (limited to '')
| -rw-r--r-- | plat/mediatek/include/mtk_mmap_pool.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/plat/mediatek/include/mtk_mmap_pool.h b/plat/mediatek/include/mtk_mmap_pool.h new file mode 100644 index 0000000..99d1bff --- /dev/null +++ b/plat/mediatek/include/mtk_mmap_pool.h @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2022, MediaTek Inc. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef MTK_MMAP_POOL_H +#define MTK_MMAP_POOL_H + +#include <cdefs.h> +#include <lib/xlat_tables/xlat_tables_compat.h> + +struct mtk_mmap_descriptor { + const char *mmap_name; + const mmap_region_t *mmap_ptr; + const uint32_t mmap_size; +}; + +#define MTK_MMAP_SECTION \ + __used \ + __aligned(sizeof(void *)) \ + __section(".mtk_mmap_lists") + +#define DECLARE_MTK_MMAP_REGIONS(_mmap_array) \ + static const struct mtk_mmap_descriptor _mtk_mmap_descriptor_##_mmap_array \ + __used \ + __aligned(sizeof(void *)) \ + __section(".mtk_mmap_pool") \ + = { \ + .mmap_name = #_mmap_array, \ + .mmap_ptr = _mmap_array, \ + .mmap_size = ARRAY_SIZE(_mmap_array) \ + } + +#define MAP_BL_RW MAP_REGION_FLAT( \ + DATA_START, \ + BL_END - DATA_START, \ + MT_MEMORY | MT_RW | MT_SECURE) + +#if SEPARATE_CODE_AND_RODATA +#define MAP_BL_RO \ + MAP_REGION_FLAT( \ + BL_CODE_BASE, \ + BL_CODE_END - BL_CODE_BASE, \ + MT_CODE | MT_SECURE), \ + MAP_REGION_FLAT( \ + BL_RO_DATA_BASE, \ + BL_RO_DATA_END - BL_RO_DATA_BASE, \ + MT_RO_DATA | MT_SECURE) +#else +#define MAP_BL_RO MAP_REGION_FLAT(BL_CODE_BASE, \ + BL_CODE_END - BL_CODE_BASE, \ + MT_CODE | MT_SECURE) +#endif + +void mtk_xlat_init(const mmap_region_t *bl_regions); + +#endif /* MTK_MMAP_POOL_H */ |