diff options
Diffstat (limited to '')
| -rw-r--r-- | include/lib/xlat_tables/xlat_tables_arch.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/lib/xlat_tables/xlat_tables_arch.h b/include/lib/xlat_tables/xlat_tables_arch.h new file mode 100644 index 0000000..0ce0cac --- /dev/null +++ b/include/lib/xlat_tables/xlat_tables_arch.h @@ -0,0 +1,31 @@ +/* + * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef XLAT_TABLES_ARCH_H +#define XLAT_TABLES_ARCH_H + +#ifdef __aarch64__ +#include "aarch64/xlat_tables_aarch64.h" +#else +#include "aarch32/xlat_tables_aarch32.h" +#endif + +/* + * Evaluates to 1 if the given physical address space size is a power of 2, + * or 0 if it's not. + */ +#define CHECK_PHY_ADDR_SPACE_SIZE(size) \ + (IS_POWER_OF_TWO(size)) + +/* + * Compute the number of entries required at the initial lookup level to address + * the whole virtual address space. + */ +#define GET_NUM_BASE_LEVEL_ENTRIES(addr_space_size) \ + ((addr_space_size) >> \ + XLAT_ADDR_SHIFT(GET_XLAT_TABLE_LEVEL_BASE(addr_space_size))) + +#endif /* XLAT_TABLES_ARCH_H */ |