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Diffstat (limited to 'include/plat/common/common_def.h')
| -rw-r--r-- | include/plat/common/common_def.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/include/plat/common/common_def.h b/include/plat/common/common_def.h new file mode 100644 index 0000000..1d3ac15 --- /dev/null +++ b/include/plat/common/common_def.h @@ -0,0 +1,127 @@ +/* + * Copyright (c) 2015-2022, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ +#ifndef COMMON_DEF_H +#define COMMON_DEF_H + +#include <common/bl_common.h> +#include <lib/utils_def.h> +#include <lib/xlat_tables/xlat_tables_defs.h> + +#include <platform_def.h> + +#define SZ_32 U(0x00000020) +#define SZ_64 U(0x00000040) +#define SZ_128 U(0x00000080) +#define SZ_256 U(0x00000100) +#define SZ_512 U(0x00000200) + +#define SZ_1K U(0x00000400) +#define SZ_2K U(0x00000800) +#define SZ_4K U(0x00001000) +#define SZ_8K U(0x00002000) +#define SZ_16K U(0x00004000) +#define SZ_32K U(0x00008000) +#define SZ_64K U(0x00010000) +#define SZ_128K U(0x00020000) +#define SZ_256K U(0x00040000) +#define SZ_512K U(0x00080000) + +#define SZ_1M U(0x00100000) +#define SZ_2M U(0x00200000) +#define SZ_4M U(0x00400000) +#define SZ_8M U(0x00800000) +#define SZ_16M U(0x01000000) +#define SZ_32M U(0x02000000) +#define SZ_64M U(0x04000000) +#define SZ_128M U(0x08000000) +#define SZ_256M U(0x10000000) +#define SZ_512M U(0x20000000) + +#define SZ_1G U(0x40000000) +#define SZ_2G U(0x80000000) + +/****************************************************************************** + * Required platform porting definitions that are expected to be common to + * all platforms + *****************************************************************************/ + +/* + * Platform binary types for linking + */ +#ifdef __aarch64__ +#define PLATFORM_LINKER_FORMAT "elf64-littleaarch64" +#define PLATFORM_LINKER_ARCH aarch64 +#else +#define PLATFORM_LINKER_FORMAT "elf32-littlearm" +#define PLATFORM_LINKER_ARCH arm +#endif /* __aarch64__ */ + +/* + * Generic platform constants + */ +#define FIRMWARE_WELCOME_STR "Booting Trusted Firmware\n" + +#define BL2_IMAGE_DESC { \ + .image_id = BL2_IMAGE_ID, \ + SET_STATIC_PARAM_HEAD(image_info, PARAM_EP, \ + VERSION_2, image_info_t, 0), \ + .image_info.image_base = BL2_BASE, \ + .image_info.image_max_size = BL2_LIMIT - BL2_BASE,\ + SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP, \ + VERSION_2, entry_point_info_t, SECURE | EXECUTABLE),\ + .ep_info.pc = BL2_BASE, \ +} + +/* + * The following constants identify the extents of the code & read-only data + * regions. These addresses are used by the MMU setup code and therefore they + * must be page-aligned. + * + * When the code and read-only data are mapped as a single atomic section + * (i.e. when SEPARATE_CODE_AND_RODATA=0) then we treat the whole section as + * code by specifying the read-only data section as empty. + * + * BL1 is different than the other images in the sense that its read-write data + * originally lives in Trusted ROM and needs to be relocated in Trusted SRAM at + * run-time. Therefore, the read-write data in ROM can be mapped with the same + * memory attributes as the read-only data region. For this reason, BL1 uses + * different macros. + * + * Note that BL1_ROM_END is not necessarily aligned on a page boundary as it + * just points to the end of BL1's actual content in Trusted ROM. Therefore it + * needs to be rounded up to the next page size in order to map the whole last + * page of it with the right memory attributes. + */ +#if SEPARATE_CODE_AND_RODATA + +#define BL1_CODE_END BL_CODE_END +#define BL1_RO_DATA_BASE BL_RO_DATA_BASE +#define BL1_RO_DATA_END round_up(BL1_ROM_END, PAGE_SIZE) +#if BL2_IN_XIP_MEM +#define BL2_CODE_END BL_CODE_END +#define BL2_RO_DATA_BASE BL_RO_DATA_BASE +#define BL2_RO_DATA_END round_up(BL2_ROM_END, PAGE_SIZE) +#endif /* BL2_IN_XIP_MEM */ +#else +#define BL_RO_DATA_BASE UL(0) +#define BL_RO_DATA_END UL(0) +#define BL1_CODE_END round_up(BL1_ROM_END, PAGE_SIZE) +#if BL2_IN_XIP_MEM +#define BL2_RO_DATA_BASE UL(0) +#define BL2_RO_DATA_END UL(0) +#define BL2_CODE_END round_up(BL2_ROM_END, PAGE_SIZE) +#endif /* BL2_IN_XIP_MEM */ +#endif /* SEPARATE_CODE_AND_RODATA */ + +#if MEASURED_BOOT +/* + * Start critical data Ids from 2^32/2 reserving Ids from 0 to (2^32/2 - 1) + * for Images, It is a critical data Id base for all platforms. + */ +#define CRITICAL_DATA_ID_BASE U(0x80000000) +#endif /* MEASURED_BOOT */ + +#endif /* COMMON_DEF_H */ |