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/* 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) + CONFIG_X86_BOOTBLOCK_EXTRA_PROGRAM_SZ;
. = 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");
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