Hung-Te Lin has submitted this change. ( https://review.coreboot.org/c/coreboot/+/47597 )
Change subject: arch/x86: Combine bootblock linker scripts ......................................................................
arch/x86: Combine bootblock linker scripts
Packing bootblock sections is somewhat easier to understand when these all appear in one .ld file.
Change-Id: Ie8629a89fa47a28db63ecc33c631b29ac5a77448 Signed-off-by: Kyösti Mälkki kyosti.malkki@gmail.com Reviewed-on: https://review.coreboot.org/c/coreboot/+/47597 Tested-by: build bot (Jenkins) no-reply@coreboot.org Reviewed-by: Arthur Heymans arthur@aheymans.xyz --- A src/arch/x86/bootblock.ld D src/arch/x86/id.ld M src/arch/x86/memlayout.ld D src/cpu/intel/fit/fit.ld D src/cpu/x86/16bit/entry16.ld D src/cpu/x86/16bit/reset16.ld 6 files changed, 35 insertions(+), 53 deletions(-)
Approvals: build bot (Jenkins): Verified Arthur Heymans: Looks good to me, approved
diff --git a/src/arch/x86/bootblock.ld b/src/arch/x86/bootblock.ld new file mode 100644 index 0000000..12f932c --- /dev/null +++ b/src/arch/x86/bootblock.ld @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +gdtptr16_offset = gdtptr16 & 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 { + /* Trigger an error if I have an unusable start address */ + _bogus = ASSERT(_start16bit >= 0xffff0000, "_start16bit too low. Please report."); + + . = (0xffffffff - CONFIG_ID_SECTION_OFFSET) - (__id_end - __id_start) + 1; + .id (.): { + KEEP(*(.id)); + } + + . = 0xffffffc0; + .fit_pointer (.): { + KEEP(*(.fit_pointer)); + } + + . = 0xfffffff0; + .reset . : { + *(.reset); + . = 15; + BYTE(0x00); + } +} diff --git a/src/arch/x86/id.ld b/src/arch/x86/id.ld deleted file mode 100644 index b69a8dc..0000000 --- a/src/arch/x86/id.ld +++ /dev/null @@ -1,8 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ - -SECTIONS { - . = (0xffffffff - CONFIG_ID_SECTION_OFFSET) - (__id_end - __id_start) + 1; - .id (.): { - KEEP(*(.id)) - } -} diff --git a/src/arch/x86/memlayout.ld b/src/arch/x86/memlayout.ld index cbf887c..52694fa 100644 --- a/src/arch/x86/memlayout.ld +++ b/src/arch/x86/memlayout.ld @@ -39,11 +39,5 @@ }
#if ENV_BOOTBLOCK -/* Bootblock specific scripts which provide more SECTION directives. */ -#include <cpu/x86/16bit/entry16.ld> -#include <cpu/x86/16bit/reset16.ld> -#include <arch/x86/id.ld> -#if CONFIG(CPU_INTEL_FIRMWARE_INTERFACE_TABLE) -#include <cpu/intel/fit/fit.ld> -#endif +#include <arch/x86/bootblock.ld> #endif /* ENV_BOOTBLOCK */ diff --git a/src/cpu/intel/fit/fit.ld b/src/cpu/intel/fit/fit.ld deleted file mode 100644 index 2e8749b..0000000 --- a/src/cpu/intel/fit/fit.ld +++ /dev/null @@ -1,8 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ - -SECTIONS { - . = 0xffffffc0; - .fit_pointer (.): { - KEEP(*(.fit_pointer)) - } -} diff --git a/src/cpu/x86/16bit/entry16.ld b/src/cpu/x86/16bit/entry16.ld deleted file mode 100644 index bc456e7..0000000 --- a/src/cpu/x86/16bit/entry16.ld +++ /dev/null @@ -1,12 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ - -gdtptr16_offset = gdtptr16 & 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 diff --git a/src/cpu/x86/16bit/reset16.ld b/src/cpu/x86/16bit/reset16.ld deleted file mode 100644 index e00e0b4..0000000 --- a/src/cpu/x86/16bit/reset16.ld +++ /dev/null @@ -1,18 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ - -/* - * _ROMTOP : The top of the ROM used where we - * need to put the reset vector. - */ - -SECTIONS { - /* Trigger an error if I have an unuseable start address */ - _bogus = ASSERT(_start16bit >= 0xffff0000, "_start16bit too low. Please report."); - _ROMTOP = 0xfffffff0; - . = _ROMTOP; - .reset . : { - *(.reset); - . = 15; - BYTE(0x00); - } -}