/* * Copyright (c) 2016-2020, 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(bl31_entrypoint) MEMORY { RAM (rwx): ORIGIN = BL31_BASE, LENGTH = BL31_TZRAM_SIZE RAM2 (rwx): ORIGIN = TZRAM2_BASE, LENGTH = TZRAM2_SIZE } SECTIONS { . = BL31_BASE; ASSERT(. == ALIGN(2048), "vector base is not aligned on a 2K boundary.") __RO_START__ = .; vector . : { *(.vectors) } >RAM ASSERT(. == ALIGN(PAGE_SIZE), "BL31_BASE address is not aligned on a page boundary.") ro . : { *bl31_entrypoint.o(.text*) *(.text*) *(.rodata*) RODATA_COMMON __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 ASSERT(__CPU_OPS_END__ > __CPU_OPS_START__, "cpu_ops not defined for this platform.") /* * Define a linker symbol to mark start of the RW memory area for this * image. */ __RW_START__ = . ; DATA_SECTION >RAM #ifdef BL31_PROGBITS_LIMIT ASSERT(. <= BL31_PROGBITS_LIMIT, "BL3-1 progbits has exceeded its limit.") #endif STACK_SECTION >RAM BSS_SECTION >RAM __RW_END__ = __BSS_END__; ASSERT(. <= BL31_LIMIT, "BL3-1 image has exceeded its limit.") XLAT_TABLE_SECTION >RAM2 #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__ = .; /* * Bakery locks are stored in coherent memory * * Each lock's data is contiguous and fully allocated by the compiler */ *(bakery_lock) *(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__ = .; } >RAM2 #endif /* * Define a linker symbol to mark end of the RW memory area for this * image. */ __BL31_END__ = .; __BSS_SIZE__ = SIZEOF(.bss); #if USE_COHERENT_MEM __COHERENT_RAM_UNALIGNED_SIZE__ = __COHERENT_RAM_END_UNALIGNED__ - __COHERENT_RAM_START__; #endif ASSERT(. <= TZRAM2_LIMIT, "TZRAM2 image has exceeded its limit.") }