/* SPDX-License-Identifier: GPL-2.0-only */ #include <memlayout.h> /* This file is included inside a SECTIONS block */ /* First we place the code and read only data (typically const declared). * This could theoretically be placed in rom. * The '.' in '.text . : {' is actually significant to prevent missing some * SoC's entry points due to artificial alignment restrictions, see * https://sourceware.org/binutils/docs/ld/Output-Section-Address.html */ .text . : { _program = .; _text = .; #if !(ENV_X86 && ENV_BOOTBLOCK) *(.init._start); *(.init); *(.init.*); #endif *(.text._start); *(.text.stage_entry); KEEP(*(.metadata_hash_anchor)); *(.text); *(.text.*); #if ENV_HAS_CBMEM . = ALIGN(ARCH_POINTER_ALIGN_SIZE); _cbmem_init_hooks = .; KEEP(*(.rodata.cbmem_init_hooks_early)); KEEP(*(.rodata.cbmem_init_hooks)); _ecbmem_init_hooks = .; RECORD_SIZE(cbmem_init_hooks) #endif . = ALIGN(ARCH_POINTER_ALIGN_SIZE); _rsbe_init_begin = .; KEEP(*(.rsbe_init)); _ersbe_init_begin = .; RECORD_SIZE(rsbe_init_begin) #if ENV_RAMSTAGE . = ALIGN(ARCH_POINTER_ALIGN_SIZE); _pci_drivers = .; KEEP(*(.rodata.pci_driver)); _epci_drivers = .; RECORD_SIZE(pci_drivers) . = ALIGN(ARCH_POINTER_ALIGN_SIZE); _cpu_drivers = .; KEEP(*(.rodata.cpu_driver)); _ecpu_drivers = .; RECORD_SIZE(cpu_drivers) #endif . = ALIGN(ARCH_POINTER_ALIGN_SIZE); *(.rodata); *(.rodata.*); . = ALIGN(ARCH_POINTER_ALIGN_SIZE); _etext = .; RECORD_SIZE(text) } : to_load #if ENV_RAMSTAGE && (CONFIG(COVERAGE) || CONFIG(ASAN_IN_RAMSTAGE)) .ctors . : { . = ALIGN(0x100); __CTOR_LIST__ = .; KEEP(*(.ctors)); LONG(0); LONG(0); __CTOR_END__ = .; } #endif /* Include data, bss, and heap in that order. Not defined for all stages. */ #if ENV_HAS_DATA_SECTION .data . : { . = ALIGN(ARCH_CACHELINE_ALIGN_SIZE); _data = .; /* * The postcar phase uses a stack value that is located in the relocatable * module section. While the postcar stage could be linked like smm and * other rmodules the postcar stage needs similar semantics of the more * traditional stages in the coreboot infrastructure. Therefore it's easier * to specialize this case. */ #if ENV_RMODULE || ENV_POSTCAR _rmodule_params = .; KEEP(*(.module_parameters)); _ermodule_params = .; RECORD_SIZE(rmodule_params) #endif *(.data); *(.data.*); *(.sdata); *(.sdata.*); #if ENV_ROMSTAGE_OR_BEFORE PROVIDE(_preram_cbmem_console = .); PROVIDE(_epreram_cbmem_console = _preram_cbmem_console); PROVIDE(_preram_cbmem_console_size = ABSOLUTE(0)); #elif ENV_RAMSTAGE . = ALIGN(ARCH_POINTER_ALIGN_SIZE); _bs_init_begin = .; KEEP(*(.bs_init)); LONG(0); LONG(0); _ebs_init_begin = .; RECORD_SIZE(bs_init_begin) #endif . = ALIGN(ARCH_POINTER_ALIGN_SIZE); _edata = .; RECORD_SIZE(data) } #endif #if !ENV_SEPARATE_BSS .bss . : { . = ALIGN(ARCH_POINTER_ALIGN_SIZE); _bss = .; *(.bss) *(.bss.*) *(.sbss) *(.sbss.*) . = ALIGN(ARCH_POINTER_ALIGN_SIZE); _ebss = .; RECORD_SIZE(bss) } #endif #if ENV_HAS_HEAP_SECTION .heap . : { . = ALIGN(ARCH_POINTER_ALIGN_SIZE); _heap = .; . += (ENV_RMODULE ? __heap_size : CONFIG_HEAP_SIZE); . = ALIGN(ARCH_POINTER_ALIGN_SIZE); _eheap = .; RECORD_SIZE(heap) } #endif #if ENV_RAMSTAGE && CONFIG(ASAN_IN_RAMSTAGE) _shadow_size = (_eheap - _data) >> 3; REGION(asan_shadow, ., _shadow_size, ARCH_POINTER_ALIGN_SIZE) #endif _eprogram = .; RECORD_SIZE(program) /* Discard the sections we don't need/want */ zeroptr = 0; /DISCARD/ : { *(.comment) *(.comment.*) *(.note) *(.note.*) *(.eh_frame); }