/* * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of ARM nor the names of its contributors may be used * to endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include OUTPUT_FORMAT(PLATFORM_LINKER_FORMAT) OUTPUT_ARCH(PLATFORM_LINKER_ARCH) ENTRY(bl1_entrypoint) MEMORY { ROM (rx): ORIGIN = BL1_RO_BASE, LENGTH = BL1_RO_LIMIT RAM (rwx): ORIGIN = BL1_RW_BASE, LENGTH = BL1_RW_LIMIT } SECTIONS { . = BL1_RO_BASE; ASSERT(. == ALIGN(4096), "BL1_RO_BASE address is not aligned on a page boundary.") ro . : { __RO_START__ = .; *bl1_entrypoint.o(.text*) *(.text*) *(.rodata*) /* * Ensure 8-byte alignment for cpu_ops so that its fields are also * aligned. Also ensure cpu_ops inclusion. */ . = ALIGN(8); __CPU_OPS_START__ = .; KEEP(*(cpu_ops)) __CPU_OPS_END__ = .; *(.vectors) __RO_END__ = .; } >ROM ASSERT(__CPU_OPS_END__ > __CPU_OPS_START__, "cpu_ops not defined for this platform.") /* * The .data section gets copied from ROM to RAM at runtime. * Its LMA must be 16-byte aligned. * Its VMA must be page-aligned as it marks the first read/write page. */ . = BL1_RW_BASE; ASSERT(. == ALIGN(4096), "BL1_RW_BASE address is not aligned on a page boundary.") .data . : ALIGN(16) { __DATA_RAM_START__ = .; *(.data*) __DATA_RAM_END__ = .; } >RAM AT>ROM stacks . (NOLOAD) : { __STACKS_START__ = .; *(tzfw_normal_stacks) __STACKS_END__ = .; } >RAM /* * The .bss section gets initialised to 0 at runtime. * Its base address must be 16-byte aligned. */ .bss : ALIGN(16) { __BSS_START__ = .; *(.bss*) *(COMMON) __BSS_END__ = .; } >RAM /* * The xlat_table section is for full, aligned page tables (4K). * Removing them from .bss avoids forcing 4K alignment on * the .bss section and eliminates the unecessary zero init */ xlat_table (NOLOAD) : { *(xlat_table) } >RAM /* * 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(4096) { __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. */ . = NEXT(4096); __COHERENT_RAM_END__ = .; } >RAM __BL1_RAM_START__ = ADDR(.data); __BL1_RAM_END__ = .; __DATA_ROM_START__ = LOADADDR(.data); __DATA_SIZE__ = SIZEOF(.data); /* * The .data section is the last PROGBITS section so its end marks the end * of the read-only part of BL1's binary. */ ASSERT(__DATA_ROM_START__ + __DATA_SIZE__ <= BL1_RO_LIMIT, "BL1's RO section has exceeded its limit.") __BSS_SIZE__ = SIZEOF(.bss); __COHERENT_RAM_UNALIGNED_SIZE__ = __COHERENT_RAM_END_UNALIGNED__ - __COHERENT_RAM_START__; ASSERT(. <= BL1_RW_LIMIT, "BL1's RW section has exceeded its limit.") }