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config BR2_ARCH_IS_64
bool
choice
prompt "Target Architecture"
default BR2_i386
help
Select the target architecture family to build for.
config BR2_arcle
bool "ARC (little endian)"
help
Synopsys' DesignWare ARC Processor Cores are a family of 32-bit CPUs
that can be used from deeply embedded to high performance host
applications. Little endian.
config BR2_arceb
bool "ARC (big endian)"
help
Synopsys' DesignWare ARC Processor Cores are a family of 32-bit CPUs
that can be used from deeply embedded to high performance host
applications. Big endian.
config BR2_arm
bool "ARM (little endian)"
help
ARM is a 32-bit reduced instruction set computer (RISC) instruction
set architecture (ISA) developed by ARM Holdings. Little endian.
http://www.arm.com/
http://en.wikipedia.org/wiki/ARM
config BR2_armeb
bool "ARM (big endian)"
help
ARM is a 32-bit reduced instruction set computer (RISC) instruction
set architecture (ISA) developed by ARM Holdings. Big endian.
http://www.arm.com/
http://en.wikipedia.org/wiki/ARM
config BR2_aarch64
bool "AArch64"
select BR2_ARCH_IS_64
help
Aarch64 is a 64-bit architecture developed by ARM Holdings.
http://www.arm.com/products/processors/instruction-set-architectures/armv8-architecture.php
http://en.wikipedia.org/wiki/ARM
config BR2_avr32
bool "AVR32"
select BR2_SOFT_FLOAT
help
The AVR32 is a 32-bit RISC microprocessor architecture designed by
Atmel.
http://www.atmel.com/
http://en.wikipedia.org/wiki/Avr32
config BR2_bfin
bool "Blackfin"
help
The Blackfin is a family of 16 or 32-bit microprocessors developed,
manufactured and marketed by Analog Devices.
http://www.analog.com/
http://en.wikipedia.org/wiki/Blackfin
config BR2_i386
bool "i386"
help
Intel i386 architecture compatible microprocessor
http://en.wikipedia.org/wiki/I386
config BR2_m68k
bool "m68k"
depends on BROKEN # ice in uclibc / inet_ntoa_r
help
Motorola 68000 family microprocessor
http://en.wikipedia.org/wiki/M68k
config BR2_microblazeel
bool "Microblaze AXI (little endian)"
help
Soft processor core designed for Xilinx FPGAs from Xilinx. AXI bus
based architecture (little endian)
http://www.xilinx.com
http://en.wikipedia.org/wiki/Microblaze
config BR2_microblazebe
bool "Microblaze non-AXI (big endian)"
help
Soft processor core designed for Xilinx FPGAs from Xilinx. PLB bus
based architecture (non-AXI, big endian)
http://www.xilinx.com
http://en.wikipedia.org/wiki/Microblaze
config BR2_mips
bool "MIPS (big endian)"
help
MIPS is a RISC microprocessor from MIPS Technologies. Big endian.
http://www.mips.com/
http://en.wikipedia.org/wiki/MIPS_Technologies
config BR2_mipsel
bool "MIPS (little endian)"
help
MIPS is a RISC microprocessor from MIPS Technologies. Little endian.
http://www.mips.com/
http://en.wikipedia.org/wiki/MIPS_Technologies
config BR2_mips64
bool "MIPS64 (big endian)"
select BR2_ARCH_IS_64
help
MIPS is a RISC microprocessor from MIPS Technologies. Big endian.
http://www.mips.com/
http://en.wikipedia.org/wiki/MIPS_Technologies
config BR2_mips64el
bool "MIPS64 (little endian)"
select BR2_ARCH_IS_64
help
MIPS is a RISC microprocessor from MIPS Technologies. Little endian.
http://www.mips.com/
http://en.wikipedia.org/wiki/MIPS_Technologies
config BR2_powerpc
bool "PowerPC"
help
PowerPC is a RISC architecture created by Apple-IBM-Motorola alliance.
http://www.power.org/
http://en.wikipedia.org/wiki/Powerpc
config BR2_sh
bool "SuperH"
help
SuperH (or SH) is a 32-bit reduced instruction set computer (RISC)
instruction set architecture (ISA) developed by Hitachi.
http://www.hitachi.com/
http://en.wikipedia.org/wiki/SuperH
config BR2_sh64
bool "SuperH64"
help
SuperH64 (or SH) is a 64-bit reduced instruction set computer (RISC)
instruction set architecture (ISA) developed by Hitachi.
http://www.hitachi.com/
http://en.wikipedia.org/wiki/SuperH
config BR2_sparc
bool "SPARC"
help
SPARC (from Scalable Processor Architecture) is a RISC instruction
set architecture (ISA) developed by Sun Microsystems.
http://www.oracle.com/sun
http://en.wikipedia.org/wiki/Sparc
config BR2_x86_64
bool "x86_64"
select BR2_ARCH_IS_64
help
x86-64 is an extension of the x86 instruction set (Intel i386
architecture compatible microprocessor).
http://en.wikipedia.org/wiki/X86_64
config BR2_xtensa
bool "Xtensa"
help
Xtensa is a Tensilica processor IP architecture.
http://en.wikipedia.org/wiki/Xtensa
http://www.tensilica.com/
endchoice
# The following string values are defined by the individual
# Config.in.$ARCH files
config BR2_ARCH
string
config BR2_ENDIAN
string
config BR2_GCC_TARGET_TUNE
string
config BR2_GCC_TARGET_ARCH
string
config BR2_GCC_TARGET_ABI
string
config BR2_GCC_TARGET_CPU
string
config BR2_GCC_TARGET_CPU_REVISION
string
# Set up target binary format
choice
prompt "Target Binary Format"
depends on BR2_bfin || BR2_m68k
default BR2_BINFMT_FDPIC
config BR2_BINFMT_ELF
bool "ELF"
depends on !BR2_bfin && !BR2_m68k
help
ELF (Executable and Linkable Format) is a format for libraries and
executables used across different architectures and operating
systems.
config BR2_BINFMT_FDPIC
bool "FDPIC"
depends on BR2_bfin || BR2_m68k
help
ELF FDPIC binaries are based on ELF, but allow the individual load
segments of a binary to be located in memory independently of each
other. This makes this format ideal for use in environments where no
MMU is available.
config BR2_BINFMT_FLAT
bool "FLAT"
depends on BR2_bfin || BR2_m68k
select BR2_PREFER_STATIC_LIB
help
FLAT binary is a relatively simple and lightweight executable format
based on the original a.out format. It is widely used in environment
where no MMU is available.
endchoice
# Set up flat binary type
choice
prompt "FLAT Binary type"
depends on BR2_BINFMT_FLAT
default BR2_BINFMT_FLAT_ONE
config BR2_BINFMT_FLAT_ONE
bool "One memory region"
help
All segments are linked into one memory region.
config BR2_BINFMT_FLAT_SEP_DATA
bool "Separate data and code region"
depends on BR2_bfin || BR2_m68k
help
Allow for the data and text segments to be separated and placed in
different regions of memory.
config BR2_BINFMT_FLAT_SHARED
bool "Shared binary"
depends on BR2_bfin || BR2_m68k
help
Allow to load and link indiviual FLAT binaries at run time.
endchoice
if BR2_arcle || BR2_arceb
source "arch/Config.in.arc"
endif
if BR2_arm || BR2_armeb
source "arch/Config.in.arm"
endif
if BR2_aarch64
source "arch/Config.in.aarch64"
endif
if BR2_avr32
source "arch/Config.in.avr32"
endif
if BR2_bfin
source "arch/Config.in.bfin"
endif
if BR2_m68k
source "arch/Config.in.m68k"
endif
if BR2_microblazeel || BR2_microblazebe
source "arch/Config.in.microblaze"
endif
if BR2_mips || BR2_mips64 || BR2_mipsel || BR2_mips64el
source "arch/Config.in.mips"
endif
if BR2_powerpc
source "arch/Config.in.powerpc"
endif
if BR2_sh || BR2_sh64
source "arch/Config.in.sh"
endif
if BR2_sparc
source "arch/Config.in.sparc"
endif
if BR2_i386 || BR2_x86_64
source "arch/Config.in.x86"
endif
if BR2_xtensa
source "arch/Config.in.xtensa"
endif
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