| ## SPDX-License-Identifier: GPL-2.0-only |
| |
| config ARCH_X86 |
| bool |
| select PCI |
| select RELOCATABLE_MODULES |
| select HAVE_ASAN_IN_RAMSTAGE |
| |
| if ARCH_X86 |
| |
| # stage selectors for x86 |
| |
| config ARCH_BOOTBLOCK_X86_32 |
| bool |
| |
| config ARCH_VERSTAGE_X86_32 |
| bool |
| |
| config ARCH_ROMSTAGE_X86_32 |
| bool |
| |
| config ARCH_POSTCAR_X86_32 |
| bool |
| default ARCH_ROMSTAGE_X86_32 && POSTCAR_STAGE |
| |
| config ARCH_RAMSTAGE_X86_32 |
| bool |
| |
| config ARCH_ALL_STAGES_X86_32 |
| bool |
| default !ARCH_ALL_STAGES_X86_64 |
| select ARCH_BOOTBLOCK_X86_32 |
| select ARCH_VERSTAGE_X86_32 if !VBOOT_STARTS_BEFORE_BOOTBLOCK |
| select ARCH_ROMSTAGE_X86_32 |
| select ARCH_RAMSTAGE_X86_32 |
| select ARCH_SUPPORTS_CLANG |
| |
| # stage selectors for x64 |
| |
| config ARCH_BOOTBLOCK_X86_64 |
| bool |
| select SSE2 |
| |
| config ARCH_VERSTAGE_X86_64 |
| bool |
| select SSE2 |
| |
| config ARCH_ROMSTAGE_X86_64 |
| bool |
| select SSE2 |
| |
| config ARCH_POSTCAR_X86_64 |
| bool |
| default ARCH_ROMSTAGE_X86_64 && POSTCAR_STAGE |
| select SSE2 |
| |
| config ARCH_RAMSTAGE_X86_64 |
| bool |
| select SSE2 |
| |
| config ARCH_ALL_STAGES_X86_64 |
| bool |
| select ARCH_BOOTBLOCK_X86_64 |
| select ARCH_VERSTAGE_X86_64 if !VBOOT_STARTS_BEFORE_BOOTBLOCK |
| select ARCH_ROMSTAGE_X86_64 |
| select ARCH_RAMSTAGE_X86_64 |
| select ARCH_SUPPORTS_CLANG |
| |
| config HAVE_EXP_X86_64_SUPPORT |
| bool |
| help |
| Enable experimental support to build and run coreboot in 64-bit mode. |
| When selecting this option for a new platform, it is highly advisable |
| to provide a config file for Jenkins to build-test the 64-bit option. |
| |
| config USE_EXP_X86_64_SUPPORT |
| bool "[EXPERIMENTAL] Run coreboot in long (64-bit) mode" |
| depends on HAVE_EXP_X86_64_SUPPORT |
| select ARCH_ALL_STAGES_X86_64 |
| help |
| When set, most of coreboot runs in long (64-bit) mode instead of the |
| usual protected flat (32-bit) mode. 64-bit CPUs and OSes can be used |
| irrespective of whether coreboot runs in 32-bit or 64-bit mode. This |
| is an experimental option: do not enable unless one wants to test it |
| and has the means to recover a system when coreboot fails to boot. |
| |
| config ARCH_X86_64_PGTBL_LOC |
| hex "x86_64 page table location in CBFS" |
| depends on ARCH_BOOTBLOCK_X86_64 |
| default 0xfffe9000 |
| help |
| The position where to place pagetables. Needs to be known at |
| compile time. Must not overlap other files in CBFS. |
| |
| config USE_MARCH_586 |
| def_bool n |
| help |
| Allow a platform or processor to select to be compiled using |
| the '-march=i586' option instead of the typical '-march=i686' |
| |
| # This is an SMP option. It relates to starting up APs. |
| # It is usually set in mainboard/*/Kconfig. |
| # TODO: Improve description. |
| config AP_IN_SIPI_WAIT |
| bool |
| default n |
| depends on ARCH_X86 && SMP |
| |
| config RESET_VECTOR_IN_RAM |
| bool |
| depends on ARCH_X86 |
| select NO_XIP_EARLY_STAGES |
| help |
| Select this option if the x86 processor's reset vector is in |
| preinitialized DRAM instead of the traditional 0xfffffff0 location. |
| |
| # Aligns 16bit entry code in bootblock so that hyper-threading CPUs |
| # can boot AP CPUs to enable their shared caches. |
| config SIPI_VECTOR_IN_ROM |
| bool |
| default n |
| depends on ARCH_X86 |
| |
| # Traditionally BIOS region on SPI flash boot media was memory mapped right below |
| # 4G and it was the last region in the IFD. This way translation between CPU |
| # address space to flash address was trivial. However some IFDs on newer SoCs |
| # have BIOS region sandwiched between descriptor and other regions. Turning on |
| # X86_CUSTOM_BOOTMEDIA disables X86_TOP4G_BOOTMEDIA_MAP which allows the |
| # soc code to provide custom mmap_boot.c. |
| config X86_CUSTOM_BOOTMEDIA |
| bool |
| |
| config X86_TOP4G_BOOTMEDIA_MAP |
| bool |
| depends on !X86_CUSTOM_BOOTMEDIA |
| default y |
| |
| config PRERAM_CBMEM_CONSOLE_SIZE |
| hex |
| default 0xc00 |
| help |
| Increase this value if preram cbmem console is getting truncated |
| |
| config CBFS_MCACHE_SIZE |
| hex |
| depends on !NO_CBFS_MCACHE |
| default 0x4000 |
| help |
| Increase this value if you see CBFS mcache overflow warnings. Do NOT |
| change this value for vboot RW updates! |
| |
| config PC80_SYSTEM |
| bool |
| default y if ARCH_X86 |
| |
| config BOOTBLOCK_DEBUG_SPINLOOP |
| bool |
| default n |
| help |
| Add a spin (JMP .) in bootblock_crt0.S during early bootblock to wait |
| for a JTAG debugger to break into the execution sequence. |
| |
| config HAVE_CMOS_DEFAULT |
| def_bool n |
| depends on HAVE_OPTION_TABLE |
| |
| config CMOS_DEFAULT_FILE |
| string |
| default "src/mainboard/\$(MAINBOARDDIR)/cmos.default" |
| depends on HAVE_CMOS_DEFAULT |
| |
| config HPET_MIN_TICKS |
| hex |
| |
| config C_ENV_BOOTBLOCK_SIZE |
| hex |
| default 0x40000 if !FIXED_BOOTBLOCK_SIZE |
| help |
| This is only the default maximum of bootblock size for linking |
| purposes. Platforms may provide different limit and need to |
| specify this when FIXED_BOOTBLOCK_SIZE is selected. |
| |
| config FIXED_BOOTBLOCK_SIZE |
| bool |
| |
| # Default address romstage is to be linked at |
| config ROMSTAGE_ADDR |
| hex |
| default 0x2000000 |
| |
| # Default address verstage is to be linked at |
| config VERSTAGE_ADDR |
| hex |
| default 0x2000000 |
| |
| # Use the post CAR infrastructure for tearing down cache-as-ram |
| # from a program loaded in RAM and subsequently loading ramstage. |
| config POSTCAR_STAGE |
| def_bool y |
| depends on ARCH_X86 |
| depends on !RESET_VECTOR_IN_RAM |
| |
| config VERSTAGE_DEBUG_SPINLOOP |
| bool |
| default n |
| help |
| Add a spin (JMP .) in assembly_entry.S during early verstage to wait |
| for a JTAG debugger to break into the execution sequence. |
| |
| config ROMSTAGE_DEBUG_SPINLOOP |
| bool |
| default n |
| help |
| Add a spin (JMP .) in assembly_entry.S during early romstage to wait |
| for a JTAG debugger to break into the execution sequence. |
| |
| choice |
| prompt "Bootblock behaviour" |
| default BOOTBLOCK_SIMPLE |
| depends on !VBOOT |
| |
| config BOOTBLOCK_SIMPLE |
| bool "Always load fallback" |
| |
| config BOOTBLOCK_NORMAL |
| select CONFIGURABLE_CBFS_PREFIX |
| bool "Switch to normal if CMOS says so" |
| |
| endchoice |
| |
| config SKIP_MAX_REBOOT_CNT_CLEAR |
| bool "Do not clear reboot count after successful boot" |
| depends on BOOTBLOCK_NORMAL |
| help |
| Do not clear the reboot count immediately after successful boot. |
| Set to allow the payload to control normal/fallback image recovery. |
| Note that it is the responsibility of the payload to reset the |
| normal boot bit to 1 after each successful boot. |
| |
| config ACPI_BERT |
| bool |
| depends on HAVE_ACPI_TABLES |
| help |
| Build an ACPI Boot Error Record Table. |
| |
| config COLLECT_TIMESTAMPS_NO_TSC |
| bool |
| default n |
| depends on COLLECT_TIMESTAMPS |
| help |
| Use a non-TSC platform-dependent source for timestamps. |
| |
| config COLLECT_TIMESTAMPS_TSC |
| bool |
| default y if !COLLECT_TIMESTAMPS_NO_TSC |
| default n |
| depends on COLLECT_TIMESTAMPS |
| help |
| Use the TSC as the timestamp source. |
| |
| config PAGING_IN_CACHE_AS_RAM |
| bool |
| default n |
| depends on ARCH_X86 |
| help |
| Chipsets scan select this option to preallocate area in cache-as-ram |
| for storing paging data structures. PAE paging is currently the |
| only thing being supported. |
| |
| config NUM_CAR_PAGE_TABLE_PAGES |
| int |
| default 5 |
| depends on PAGING_IN_CACHE_AS_RAM |
| help |
| The number of 4KiB pages that should be pre-allocated for page tables. |
| |
| # Provide the interrupt handlers to every stage. Not all |
| # stages may take advantage. |
| config IDT_IN_EVERY_STAGE |
| bool |
| default n |
| depends on ARCH_X86 |
| |
| config HAVE_CF9_RESET |
| bool |
| |
| config HAVE_CF9_RESET_PREPARE |
| bool |
| depends on HAVE_CF9_RESET |
| |
| config PIRQ_ROUTE |
| bool |
| default n |
| |
| config MAX_PIRQ_LINKS |
| int |
| default 4 |
| depends on PIRQ_ROUTE |
| help |
| This variable specifies the number of PIRQ interrupt links which are |
| routable. On most chipsets, this is 4, INTA through INTD. Some |
| chipsets offer more than four links, commonly up to INTH. They may |
| also have a separate link for ATA or IOAPIC interrupts. When the PIRQ |
| table specifies links greater than 4, pirq_route_irqs will not |
| function properly, unless this variable is correctly set. |
| |
| config MAX_ACPI_TABLE_SIZE_KB |
| int |
| default 144 |
| help |
| Set the maximum size of all ACPI tables in KiB. |
| |
| config MEMLAYOUT_LD_FILE |
| string |
| default "src/arch/x86/memlayout.ld" |
| |
| config DEBUG_HW_BREAKPOINTS |
| bool |
| default y |
| help |
| Enable support for hardware data and instruction breakpoints through |
| the x86 debug registers |
| |
| config DEBUG_HW_BREAKPOINTS_IN_ALL_STAGES |
| bool |
| default y |
| depends on DEBUG_HW_BREAKPOINTS && IDT_IN_EVERY_STAGE |
| |
| config DEBUG_NULL_DEREF_BREAKPOINTS |
| bool |
| default y |
| depends on DEBUG_HW_BREAKPOINTS |
| help |
| Enable support for catching null dereferences and instruction execution |
| |
| config DEBUG_NULL_DEREF_BREAKPOINTS_IN_ALL_STAGES |
| bool |
| default y |
| depends on DEBUG_NULL_DEREF_BREAKPOINTS && DEBUG_HW_BREAKPOINTS_IN_ALL_STAGES |
| |
| config DEBUG_NULL_DEREF_HALT |
| bool |
| default n |
| depends on DEBUG_NULL_DEREF_BREAKPOINTS |
| help |
| When enabled null dereferences and instruction fetches will halt execution. |
| Otherwise an error will be printed. |
| |
| # Some EC need an "EC firmware pointer" (a data structure hinting the address |
| # of its firmware blobs) being put at a fixed position. Its space |
| # (__section__(".ecfw_ptr")) should be reserved if it lies in the range of a |
| # stage. Different EC may have different format and/or value for it. The actual |
| # address of EC firmware pointer should be provided in the Kconfig of the EC |
| # requiring it, and its value could be filled by linking a read-only global |
| # data object to the section above. |
| |
| config ECFW_PTR_ADDR |
| hex |
| help |
| Address of reserved space for EC firmware pointer, which should not |
| overlap other data such as reset vector or FIT pointer if present. |
| |
| config ECFW_PTR_SIZE |
| int |
| help |
| Size of reserved space for EC firmware pointer |
| |
| endif |
