Enabling this option will pass "--coverage" to gcc to compile
and link code instrumented for coverage analysis.
+config ASAN
+ bool "Enable AddressSanitizer"
+ depends on SANDBOX
+ help
+ Enables AddressSanitizer to discover out-of-bounds accesses,
+ use-after-free, double-free and memory leaks.
+
+config FUZZ
+ bool "Enable fuzzing"
+ depends on CC_IS_CLANG
+ depends on DM_FUZZING_ENGINE
+ select ASAN
+ help
+ Enables the fuzzing infrastructure to generate fuzzing data and run
+ fuzz tests.
+
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"
+ depends on ARM64
+ select SSCANF
help
Enabling this option will make U-Boot be run as a bootloader
for XEN [1] Virtual Machine.
[1] - https://xenproject.org/
-config DISTRO_DEFAULTS
- bool "Select defaults suitable for booting general purpose Linux distributions"
- select AUTO_COMPLETE
- select CMDLINE_EDITING
- select CMD_BOOTI if ARM64
- select CMD_BOOTZ if ARM && !ARM64
- select CMD_DHCP if CMD_NET
- select CMD_ENV_EXISTS
- select CMD_EXT2
- select CMD_EXT4
- select CMD_FAT
- select CMD_FS_GENERIC
- select CMD_PART if PARTITIONS
- select CMD_PING if CMD_NET
- select CMD_PXE if NET
- select CMD_SYSBOOT
- select ENV_VARS_UBOOT_CONFIG
- select HUSH_PARSER
- select SUPPORT_RAW_INITRD
- select SYS_LONGHELP
- imply CMD_MII if NET
- imply USB_STORAGE
- imply USE_BOOTCOMMAND
- help
- Select this to enable various options and commands which are suitable
- for building u-boot for booting general purpose Linux distributions.
-
config ENV_VARS_UBOOT_CONFIG
bool "Add arch, board, vendor and soc variables to default environment"
help
Enables allocating and saving kernel cmdline in space between
"bootm_low" and "bootm_low" + BOOTMAPSZ.
+config SYS_BARGSIZE
+ int "Size of kernel command line buffer in bytes"
+ depends on SYS_BOOT_GET_CMDLINE
+ default 512
+ help
+ Buffer size for Boot Arguments which are passed to the application
+ (usually a Linux kernel) when it is booted
+
config SYS_BOOT_GET_KBD
bool "Enable kernel board information setup"
help
Enables allocating and saving a kernel copy of the bd_info in
space between "bootm_low" and "bootm_low" + BOOTMAPSZ.
+config HAS_CUSTOM_SYS_INIT_SP_ADDR
+ bool "Use a custom location for the initial stack pointer address"
+ depends on ARC || (ARM && !INIT_SP_RELATIVE) || MIPS || PPC || RISCV
+ default y if TFABOOT
+ help
+ Typically, we use an initial stack pointer address that is calculated
+ by taking the statically defined CFG_SYS_INIT_RAM_ADDR, adding the
+ statically defined CFG_SYS_INIT_RAM_SIZE and then subtracting the
+ build-time constant of GENERATED_GBL_DATA_SIZE. On MIPS a different
+ but statica calculation is performed. However, some platforms will
+ take a different approach. Say Y here to define the address statically
+ instead.
+
+config CUSTOM_SYS_INIT_SP_ADDR
+ hex "Static location for the initial stack pointer"
+ depends on HAS_CUSTOM_SYS_INIT_SP_ADDR
+ default TEXT_BASE if TFABOOT
+
config SYS_MALLOC_F
bool "Enable malloc() pool before relocation"
default y if DM
default 0x4000 if SANDBOX || RISCV || ARCH_APPLE || ROCKCHIP_RK3368 || \
ROCKCHIP_RK3399
default 0x8000 if RCAR_GEN3
- default 0x10000 if ARCH_IMX8 || (ARCH_IMX8M && !IMX8MQ)
+ default 0x10000 if ARCH_IMX8 || ARCH_IMX8M
default 0x2000
help
Before relocation, memory is very limited on many platforms. Still,
default 0x4000000 if SANDBOX
default 0x2000000 if ARCH_ROCKCHIP || ARCH_OMAP2PLUS || ARCH_MESON
default 0x200000 if ARCH_BMIPS || X86
- default 0x120000 if MACH_SUNIV
- default 0x220000 if MACH_SUN8I_V3S
- default 0x4020000 if ARCH_SUNXI
+ default 0x4020000 if SUNXI_MINIMUM_DRAM_MB >= 256
+ default 0x220000 if SUNXI_MINIMUM_DRAM_MB >= 64
+ default 0x120000 if SUNXI_MINIMUM_DRAM_MB >= 32
default 0x400000
help
This defines memory to be allocated for Dynamic allocation
config SPL_SYS_MALLOC_F_LEN
hex "Size of malloc() pool in SPL"
depends on SYS_MALLOC_F && SPL
- default 0 if !SPL_FRAMEWORK
+ default 0x0 if !SPL_FRAMEWORK
default 0x2800 if RCAR_GEN3
+ default 0x2000 if IMX8MQ
default SYS_MALLOC_F_LEN
help
In SPL memory is very limited on many platforms. Still,
particular needs this to operate, so that it can allocate the
initial serial device and any others that are needed.
- It is possible to enable CONFIG_SYS_SPL_MALLOC_START to start a new
+ It is possible to enable CFG_SYS_SPL_MALLOC_START to start a new
malloc() region in SDRAM once it is inited.
config TPL_SYS_MALLOC_F_LEN
When disabling this, please check if malloc calls, maybe
should be replaced by calloc - if one expects zeroed memory.
+config SPL_SYS_MALLOC_CLEAR_ON_INIT
+ bool "Init with zeros the memory reserved for malloc (slow) in SPL"
+ depends on SPL
+ default SYS_MALLOC_CLEAR_ON_INIT
+ help
+ Same as SYS_MALLOC_CLEAR_ON_INIT, but for SPL. It's possible to
+ Enable it without SYS_MALLOC_CLEAR_ON_INIT. It's useful for boards
+ that must have particular memory regions zero'ed before first use.
+ If SYS_SPL_MALLOC_START is configured to be in such region, this
+ option should be enabled.
+
config SYS_MALLOC_DEFAULT_TO_INIT
bool "Default malloc to init while reserving the memory for it"
help
config PHYS_64BIT
bool "64bit physical address support"
+ select FDT_64BIT
help
Say Y here to support 64bit physical memory address.
This can be used not only for 64bit SoCs, but also for
large physical address extension on 32bit SoCs.
+config FDT_64BIT
+ bool "64bit fdt address support"
+ help
+ Say Y here to support 64bit fdt addresses.
+ This can be used not only for 64bit SoCs, but also
+ for large address extensions on 32bit SoCs.
+
config HAS_ROM
bool
select BINMAN
config BUILD_TARGET
string "Build target special images"
+ default "u-boot-elf.srec" if RCAR_64
+ default "u-boot-with-spl.bin" if ARCH_AT91 && SPL_NAND_SUPPORT
+ default "u-boot-with-spl.bin" if MPC85xx && !E500MC && !E5500 && !E6500 && SPL
+ default "u-boot-with-spl.imx" if ARCH_MX6 && SPL
+ default "u-boot-with-spl.kwb" if ARMADA_32BIT && SPL
default "u-boot-with-spl.sfp" if TARGET_SOCFPGA_ARRIA10
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 !BINMAN && SPL_LOAD_FIT && (ARCH_ROCKCHIP || \
- ARCH_SUNXI || RISCV || ARCH_ZYNQMP)
- 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
+ RISCV || ARCH_ZYNQMP)
+ default "u-boot.kwb" if (ARCH_KIRKWOOD || ARMADA_32BIT) && !SPL
help
Some SoCs need special image types (e.g. U-Boot binary
with a special header) as build targets. By defining
config HAS_BOARD_SIZE_LIMIT
bool "Define a maximum size for the U-Boot image"
- default y if RCAR_GEN3
+ default y if RCAR_64
help
In some cases, we need to enforce a hard limit on how big the U-Boot
image itself can be.
config BOARD_SIZE_LIMIT
int "Maximum size of the U-Boot image in bytes"
- default 1048576 if RCAR_GEN3
+ default 1048576 if RCAR_64
depends on HAS_BOARD_SIZE_LIMIT
help
Maximum size of the U-Boot image. When defined, the build system
config STACK_SIZE
hex "Define max stack size that can be used by U-Boot"
- default 0x4000000 if ARCH_VERSAL || ARCH_ZYNQMP
+ default 0x4000000 if ARCH_VERSAL_NET || ARCH_VERSAL || ARCH_ZYNQMP
default 0x200000 if MICROBLAZE
default 0x1000000
help
default 0x10000 if TARGET_TRICORDER
default 0x0
+config SYS_MONITOR_LEN
+ int "Maximum size in bytes reserved for U-Boot in memory"
+ default 1048576 if X86
+ default 786432 if ARCH_SUNXI
+ default 0
+ help
+ Size of memory reserved for monitor code, used to determine
+ _at_compile_time_ (!) if the environment is embedded within the
+ U-Boot image, or in a separate flash sector, among other uses where
+ we need to set a maximum size of the U-Boot binary itself that will
+ be loaded.
+
config MP
bool "Support for multiprocessor"
help
This provides an option to bringup different processors
in multiprocessor cases.
-config EXAMPLES
- bool "Compile API examples"
- depends on !SANDBOX
- default y if ARCH_QEMU
- help
- U-Boot provides an API for standalone applications. Examples are
- provided in directory examples/.
-
endmenu # General setup
source "api/Kconfig"