| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| gdtptr_offset = gdtptr & 0xffff; |
| nullidt_offset = nullidt & 0xffff; |
| |
| /* Symbol _start16bit must be aligned to 4kB to start AP CPUs with |
| * Startup IPI message without RAM. |
| */ |
| #if CONFIG(SIPI_VECTOR_IN_ROM) |
| _bogus = ASSERT((_start16bit & 0xfff) == 0, "Symbol _start16bit is not at 4 KiB boundary"); |
| ap_sipi_vector_in_rom = (_start16bit >> 12) & 0xff; |
| #endif |
| |
| SECTIONS { |
| |
| #if CONFIG(FIXED_BOOTBLOCK_SIZE) |
| . = _ebootblock - CONFIG_C_ENV_BOOTBLOCK_SIZE; |
| #else |
| . = BOOTBLOCK_TOP - PROGRAM_SZ; |
| /* Page tables need to be at a 4K boundary so align the bootblock downwards */ |
| . = ALIGN(4096); |
| . -= 4096; |
| #endif |
| |
| _bootblock = .; |
| |
| INCLUDE "bootblock/lib/program.ld" |
| |
| PROGRAM_SZ = SIZEOF(.text) + SIZEOF(.data); |
| |
| . = MIN(_ECFW_PTR, MIN(_ID_SECTION, _FIT_POINTER)) - EARLYASM_SZ; |
| . = CONFIG(SIPI_VECTOR_IN_ROM) ? ALIGN(4096) : ALIGN(16); |
| BOOTBLOCK_TOP = .; |
| .init (.) : { |
| *(.init._start); |
| *(.init); |
| *(.init.*); |
| } |
| |
| /* |
| * Allocation reserves extra space here. Alignment requirements |
| * may cause the total size of a section to change when the start |
| * address gets applied. |
| */ |
| EARLYASM_SZ = SIZEOF(.init) + (CONFIG(SIPI_VECTOR_IN_ROM) ? 4096 : 16); |
| |
| . = _ID_SECTION; |
| .id (.): { |
| KEEP(*(.id)); |
| } |
| |
| /* Flashrom and FILO have two alternatives for the location of .id section. */ |
| _ID_SECTION_END = SIZEOF(.fit_pointer) && SIZEOF(.id) > 0x28 ? 0xffffff80 : _X86_RESET_VECTOR; |
| _ID_SECTION = _ID_SECTION_END - SIZEOF(.id); |
| |
| . = _ECFW_PTR; |
| .ecfw_ptr (.): { |
| ASSERT((SIZEOF(.ecfw_ptr) == CONFIG_ECFW_PTR_SIZE), "Size of ecfw_ptr is incorrect"); |
| KEEP(*(.ecfw_ptr)); |
| } |
| _ECFW_PTR = SIZEOF(.ecfw_ptr) ? CONFIG_ECFW_PTR_ADDR : _X86_RESET_VECTOR; |
| |
| . = _FIT_POINTER; |
| .fit_pointer (.): { |
| KEEP(*(.fit_pointer)); |
| } |
| _FIT_POINTER = SIZEOF(.fit_pointer) ? 0xffffffc0 : _X86_RESET_VECTOR; |
| |
| . = 0xfffffff0; |
| _X86_RESET_VECTOR = .; |
| .reset . : { |
| *(.reset); |
| . = _X86_RESET_VECTOR_FILLING; |
| BYTE(0); |
| } |
| . = 0xfffffffc; |
| .header_pointer . : { |
| KEEP(*(.header_pointer)); |
| } |
| _X86_RESET_VECTOR_FILLING = 15 - SIZEOF(.header_pointer); |
| _ebootblock = .; |
| } |
| |
| /* |
| * Tests _bogus1 and _bogus2 are here to detect case of symbol addresses truncated |
| * to 32 bits and intermediate files reaching size of close to 4 GiB. |
| */ |
| _bogus1 = ASSERT(_bootblock & 0x80000000, "_bootblock too low, invalid ld script"); |
| _bogus2 = ASSERT(_start16bit & 0x80000000, "_start16bit too low, invalid ld script"); |
| _bogus3 = ASSERT(_start16bit >= 0xffff0000, "_start16bit too low. Please report."); |
| _bogus4 = ASSERT(_ebootblock - _bootblock <= CONFIG_C_ENV_BOOTBLOCK_SIZE, |
| "_bootblock too low, increase C_ENV_BOOTBLOCK_SIZE"); |