#
mainmenu "U-Boot $(UBOOTVERSION) Configuration"
+comment "Compiler: $(CC_VERSION_TEXT)"
+
+source "scripts/Kconfig.include"
+
# Allow defaults in arch-specific code to override any given here
source "arch/Kconfig"
This option is enabled by default for U-Boot.
+config OPTIMIZE_INLINING
+ bool "Allow compiler to uninline functions marked 'inline' in full U-Boot"
+ default n
+ help
+ This option determines if U-Boot forces gcc to inline the functions
+ developers have marked 'inline'. Doing so takes away freedom from gcc to
+ do what it thinks is best, which is desirable in some cases for size
+ reasons.
+
+config SPL_OPTIMIZE_INLINING
+ bool "Allow compiler to uninline functions marked 'inline' in SPL"
+ depends on SPL
+ default n
+ help
+ This option determines if U-Boot forces gcc to inline the functions
+ developers have marked 'inline'. Doing so takes away freedom from gcc to
+ do what it thinks is best, which is desirable in some cases for size
+ reasons.
+
+config TPL_OPTIMIZE_INLINING
+ bool "Allow compiler to uninline functions marked 'inline' in TPL"
+ depends on TPL
+ default n
+ help
+ This option determines if U-Boot forces gcc to inline the functions
+ developers have marked 'inline'. Doing so takes away freedom from gcc to
+ do what it thinks is best, which is desirable in some cases for size
+ reasons.
+
config CC_COVERAGE
bool "Enable code coverage analysis"
depends on SANDBOX
Enabling this option will pass "--coverage" to gcc to compile
and link code instrumented for coverage analysis.
+config CC_HAS_ASM_INLINE
+ def_bool $(success,echo 'void foo(void) { asm inline (""); }' | $(CC) -x c - -c -o /dev/null)
+
+config XEN
+ bool "Select U-Boot be run as a bootloader for XEN Virtual Machine"
+ help
+ Enabling this option will make U-Boot be run as a bootloader
+ for XEN [1] Virtual Machine.
+
+ Xen is a virtual machine monitor (VMM) or a type-1 hypervisor with support
+ for para-virtualization. Xen can organize the safe execution of several
+ virtual machines on the same physical system with performance close to
+ native. It is used as the basis for a number of different commercial and
+ open source applications, such as: server virtualization, Infrastructure
+ as a Service (IaaS), desktop virtualization, security applications,
+ embedded and hardware appliances.
+ Xen has a special VM called Domain-0 that runs the Dom0 kernel and allows
+ Xen to use the device drivers for the Domain-0 kernel by default.
+
+ [1] - https://xenproject.org/
+
config DISTRO_DEFAULTS
bool "Select defaults suitable for booting general purpose Linux distributions"
select AUTO_COMPLETE
config NR_DRAM_BANKS
int "Number of DRAM banks"
- default 1 if ARCH_SUNXI
+ default 1 if ARCH_SUNXI || ARCH_OWL
default 4
help
This defines the number of DRAM banks.
default 0x2000 if (ARCH_IMX8 || ARCH_IMX8M || ARCH_MX7 || \
ARCH_MX7ULP || ARCH_MX6 || ARCH_MX5 || \
ARCH_LS1012A || ARCH_LS1021A || ARCH_LS1043A || \
- ARCH_LS1046A)
+ ARCH_LS1046A || ARCH_QEMU)
default 0x400
help
Before relocation, memory is very limited on many platforms. Still,
When disabling this, please check if malloc calls, maybe
should be replaced by calloc - if one expects zeroed memory.
+config SYS_MALLOC_DEFAULT_TO_INIT
+ bool "Default malloc to init while reserving the memory for it"
+ default n
+ help
+ It may happen that one needs to move the dynamic allocation
+ from one to another memory range, eg. when moving the malloc
+ from the limited static to a potentially large dynamic (DDR)
+ memory.
+
+ If so then on top of setting the updated memory aside one
+ needs to bring the malloc init.
+
+ If such a scenario is sought choose yes.
+
config TOOLS_DEBUG
bool "Enable debug information for tools"
help
This can be used not only for 64bit SoCs, but also for
large physical address extension on 32bit SoCs.
+config HAS_ROM
+ bool
+ select BINMAN
+ help
+ Enables building of a u-boot.rom target. This collects U-Boot and
+ any necessary binary blobs.
+
+config ROM_NEEDS_BLOBS
+ bool
+ depends on HAS_ROM
+ help
+ Enable this if building the u-boot.rom target needs binary blobs, and
+ so cannot be done normally. In this case, U-Boot will only build the
+ ROM if the required blobs exist. If not, you will see an warning like:
+
+ Image 'main-section' is missing external blobs and is non-functional:
+ intel-descriptor intel-me intel-refcode intel-vga intel-mrc
+
config BUILD_ROM
bool "Build U-Boot as BIOS replacement"
- depends on X86
+ depends on HAS_ROM
+ default y if !ROM_NEEDS_BLOBS
help
This option allows to build a ROM version of U-Boot.
The build process generally requires several binary blobs
which are not shipped in the U-Boot source tree.
- Please, see doc/README.x86 for details.
+ Please, see doc/arch/x86.rst for details.
config SPL_IMAGE
string "SPL image used in the combined SPL+U-Boot image"
default "u-boot-with-spl.sfp" if TARGET_SOCFPGA_GEN5
default "u-boot-spl.kwb" if ARCH_MVEBU && SPL
default "u-boot-elf.srec" if RCAR_GEN3
- default "u-boot.itb" if SPL_LOAD_FIT && (ARCH_ROCKCHIP || \
+ default "u-boot.itb" if !BINMAN && SPL_LOAD_FIT && (ARCH_ROCKCHIP || \
ARCH_SUNXI || RISCV || ARCH_ZYNQMP)
- default "u-boot.kwb" if KIRKWOOD
+ default "u-boot.kwb" if ARCH_KIRKWOOD
default "u-boot-with-spl.bin" if ARCH_AT91 && SPL_NAND_SUPPORT
default "u-boot-with-spl.imx" if ARCH_MX6 && SPL
help
default "__start" if MIPS
default "_start"
+config STACK_SIZE
+ hex "Define max stack size that can be used by U-Boot"
+ default 0x4000000 if ARCH_VERSAL || ARCH_ZYNQMP
+ default 0x200000 if MICROBLAZE
+ default 0x1000000
+ help
+ Define Max stack size that can be used by U-Boot. This value is used
+ by the UEFI sub-system. On some boards initrd_high is calculated as
+ base stack pointer minus this stack size.
+
+config SYS_HAS_SRAM
+ bool
+ default y if TARGET_PIC32MZDASK
+ default y if TARGET_DEVKIT8000
+ default y if TARGET_TRICORDER
+ default n
+ help
+ Enable this to allow support for the on board SRAM.
+ SRAM base address is controlled by CONFIG_SYS_SRAM_BASE.
+ SRAM size is controlled by CONFIG_SYS_SRAM_SIZE.
+
+config SYS_SRAM_BASE
+ hex
+ default 0x80000000 if TARGET_PIC32MZDASK
+ default 0x40200000 if TARGET_DEVKIT8000
+ default 0x40200000 if TARGET_TRICORDER
+ default 0x0
+
+config SYS_SRAM_SIZE
+ hex
+ default 0x00080000 if TARGET_PIC32MZDASK
+ default 0x10000 if TARGET_DEVKIT8000
+ default 0x10000 if TARGET_TRICORDER
+ default 0x0
+
endmenu # General setup
menu "Boot images"
help
Enable this to support SHA256 checksum of FIT image contents. A
SHA256 checksum is a 256-bit (32-byte) hash value used to check that
- the image contents have not been corrupted. SHA256 is recommended
- for use in secure applications since (as at 2016) there is no known
- feasible attack that could produce a 'collision' with differing
- input data. Use this for the highest security. Note that only the
- SHA256 variant is supported: SHA512 and others are not currently
- supported in U-Boot.
+ the image contents have not been corrupted.
+
+config FIT_ENABLE_SHA384_SUPPORT
+ bool "Support SHA384 checksum of FIT image contents"
+ default n
+ select SHA384
+ help
+ Enable this to support SHA384 checksum of FIT image contents. A
+ SHA384 checksum is a 384-bit (48-byte) hash value used to check that
+ the image contents have not been corrupted. Use this for the highest
+ security.
+
+config FIT_ENABLE_SHA512_SUPPORT
+ bool "Support SHA512 checksum of FIT image contents"
+ default n
+ select SHA512
+ help
+ Enable this to support SHA512 checksum of FIT image contents. A
+ SHA512 checksum is a 512-bit (64-byte) hash value used to check that
+ the image contents have not been corrupted.
config FIT_SIGNATURE
bool "Enable signature verification of FIT uImages"
bool "Enable signature verification of FIT firmware within SPL"
depends on SPL_DM
select SPL_FIT
+ select SPL_CRYPTO_SUPPORT
+ select SPL_HASH_SUPPORT
select SPL_RSA
select SPL_RSA_VERIFY
- select IMAGE_SIGN_INFO
+ select SPL_IMAGE_SIGN_INFO
config SPL_LOAD_FIT
bool "Enable SPL loading U-Boot as a FIT (basic fitImage features)"
particular it can handle selecting from multiple device tree
and passing the correct one to U-Boot.
+config SPL_LOAD_FIT_ADDRESS
+ hex "load address of fit image"
+ depends on SPL_LOAD_FIT
+ default 0x0
+ help
+ Specify the load address of the fit image that will be loaded
+ by SPL.
+
config SPL_LOAD_FIT_APPLY_OVERLAY
bool "Enable SPL applying DT overlays from FIT"
depends on SPL_LOAD_FIT
U-Boot FIT image. This could specify further image to load and/or
execute.
+config USE_SPL_FIT_GENERATOR
+ bool "Use a script to generate the .its script"
+ default y if SPL_FIT && !ARCH_SUNXI
+
config SPL_FIT_GENERATOR
string ".its file generator script for U-Boot FIT image"
- depends on SPL_FIT
- default "board/sunxi/mksunxi_fit_atf.sh" if SPL_LOAD_FIT && ARCH_SUNXI
+ depends on USE_SPL_FIT_GENERATOR
default "arch/arm/mach-rockchip/make_fit_atf.py" if SPL_LOAD_FIT && ARCH_ROCKCHIP
default "arch/arm/mach-zynqmp/mkimage_fit_atf.sh" if SPL_LOAD_FIT && ARCH_ZYNQMP
default "arch/riscv/lib/mkimage_fit_opensbi.sh" if SPL_LOAD_FIT && RISCV