/* * Copyright (c) 2013-2021, Arm Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #include #include OUTPUT_FORMAT(PLATFORM_LINKER_FORMAT) OUTPUT_ARCH(PLATFORM_LINKER_ARCH) ENTRY(bl2_entrypoint) MEMORY { RAM (rwx): ORIGIN = BL2_BASE, LENGTH = BL2_LIMIT - BL2_BASE } SECTIONS { . = BL2_BASE; ASSERT(. == ALIGN(PAGE_SIZE), "BL2_BASE address is not aligned on a page boundary.") #if SEPARATE_CODE_AND_RODATA .text . : { __TEXT_START__ = .; #if ENABLE_RME *bl2_rme_entrypoint.o(.text*) #else /* ENABLE_RME */ *bl2_entrypoint.o(.text*) #endif /* ENABLE_RME */ *(SORT_BY_ALIGNMENT(.text*)) *(.vectors) . = ALIGN(PAGE_SIZE); __TEXT_END__ = .; } >RAM /* .ARM.extab and .ARM.exidx are only added because Clang need them */ .ARM.extab . : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >RAM .ARM.exidx . : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) } >RAM .rodata . : { __RODATA_START__ = .; *(SORT_BY_ALIGNMENT(.rodata*)) RODATA_COMMON . = ALIGN(PAGE_SIZE); __RODATA_END__ = .; } >RAM #else ro . : { __RO_START__ = .; *bl2_entrypoint.o(.text*) *(SORT_BY_ALIGNMENT(.text*)) *(SORT_BY_ALIGNMENT(.rodata*)) RODATA_COMMON *(.vectors) __RO_END_UNALIGNED__ = .; /* * Memory page(s) mapped to this section will be marked as * read-only, executable. No RW data from the next section must * creep in. Ensure the rest of the current memory page is unused. */ . = ALIGN(PAGE_SIZE); __RO_END__ = .; } >RAM #endif /* * Define a linker symbol to mark start of the RW memory area for this * image. */ __RW_START__ = . ; DATA_SECTION >RAM STACK_SECTION >RAM BSS_SECTION >RAM XLAT_TABLE_SECTION >RAM #if USE_COHERENT_MEM /* * The base address of the coherent memory section must be page-aligned (4K) * to guarantee that the coherent data are stored on their own pages and * are not mixed with normal data. This is required to set up the correct * memory attributes for the coherent data page tables. */ coherent_ram (NOLOAD) : ALIGN(PAGE_SIZE) { __COHERENT_RAM_START__ = .; *(tzfw_coherent_mem) __COHERENT_RAM_END_UNALIGNED__ = .; /* * Memory page(s) mapped to this section will be marked * as device memory. No other unexpected data must creep in. * Ensure the rest of the current memory page is unused. */ . = ALIGN(PAGE_SIZE); __COHERENT_RAM_END__ = .; } >RAM #endif /* * Define a linker symbol to mark end of the RW memory area for this * image. */ __RW_END__ = .; __BL2_END__ = .; __BSS_SIZE__ = SIZEOF(.bss); #if USE_COHERENT_MEM __COHERENT_RAM_UNALIGNED_SIZE__ = __COHERENT_RAM_END_UNALIGNED__ - __COHERENT_RAM_START__; #endif ASSERT(. <= BL2_LIMIT, "BL2 image has exceeded its limit.") }