Split target/Config.in.arch into multiple Config.in.* in arch/
target/Config.in.arch had become too long, and we want to remove the
target/ directory. So let's move it to arch/ and split it this way:
* An initial Config.in that lists the top-level architecture, and
sources the arch-specific Config.in.<arch> files, as well as
Config.in.common (see below)
* One Config.in.<arch> per architecture, listing the CPU families,
ABI choices, etc.
* One Config.in.common that defines the gcc mtune, march, mcpu values
and other hidden options.
[Peter: space->tab fix, mipsel64 little endian, mips3 as noted by Arnout]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2012-11-03 09:27:59 +01:00
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choice
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prompt "Target Architecture Variant"
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depends on BR2_arm || BR2_armeb
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default BR2_generic_arm
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help
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Specific CPU variant to use
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config BR2_generic_arm
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bool "generic_arm"
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config BR2_arm7tdmi
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bool "arm7tdmi"
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config BR2_arm610
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bool "arm610"
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config BR2_arm710
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bool "arm710"
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config BR2_arm720t
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bool "arm720t"
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config BR2_arm920t
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bool "arm920t"
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config BR2_arm922t
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bool "arm922t"
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config BR2_arm926t
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bool "arm926t"
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config BR2_arm10t
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bool "arm10t"
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config BR2_arm1136jf_s
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bool "arm1136jf_s"
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config BR2_arm1176jz_s
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bool "arm1176jz-s"
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config BR2_arm1176jzf_s
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bool "arm1176jzf-s"
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config BR2_cortex_a8
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bool "cortex-A8"
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config BR2_cortex_a9
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bool "cortex-A9"
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config BR2_sa110
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bool "sa110"
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config BR2_sa1100
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bool "sa1100"
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config BR2_xscale
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bool "xscale"
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config BR2_iwmmxt
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bool "iwmmxt"
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endchoice
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choice
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prompt "Target ABI"
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depends on BR2_arm || BR2_armeb
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default BR2_ARM_EABI
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help
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Application Binary Interface to use
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Note:
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Using OABI is discouraged.
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config BR2_ARM_EABI
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bool "EABI"
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config BR2_ARM_OABI
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bool "OABI"
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depends on !BR2_GCC_VERSION_4_7_X
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endchoice
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arch: improve definition of gcc mtune, mcpu, etc.
As suggested by Yann E. Morin, there is a better way than our current
big Config.in.common to define the gcc mtune, mcpu, march,
etc. values. We can split the setting of those values in each
architecture file, which makes a lot more sense.
Therefore, the Config.in file now creates empty kconfig variables
BR2_ARCH, BR2_ENDIAN, BR2_GCC_TARGET_TUNE, BR2_GCC_TARGET_ARCH,
BR2_GCC_TARGET_ABI and BR2_GCC_TARGET_CPU. The values of those
variables are set by the individual Config.in.<arch> files. This is
possible because such files are now only conditionally included
depending on the top-level architecture that has been selected.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2012-11-15 04:53:48 +01:00
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config BR2_ARCH
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default "arm" if BR2_arm
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default "armeb" if BR2_armeb
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config BR2_ENDIAN
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default "LITTLE" if BR2_arm
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default "BIG" if BR2_armeb
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config BR2_GCC_TARGET_TUNE
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default arm600 if BR2_arm600
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default arm610 if BR2_arm610
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default arm620 if BR2_arm620
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default arm7tdmi if BR2_arm7tdmi
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default arm7tdmi if BR2_arm720t
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default arm7tdmi if BR2_arm740t
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default arm920 if BR2_arm920
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default arm920t if BR2_arm920t
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default arm922t if BR2_arm922t
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default arm926ej-s if BR2_arm926t
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default arm1136j-s if BR2_arm1136j_s
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default arm1136jf-s if BR2_arm1136jf_s
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default arm1176jz-s if BR2_arm1176jz_s
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default arm1176jzf-s if BR2_arm1176jzf_s
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default cortex-a8 if BR2_cortex_a8
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default cortex-a9 if BR2_cortex_a9
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default strongarm110 if BR2_sa110
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default strongarm1100 if BR2_sa1100
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default xscale if BR2_xscale
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default iwmmxt if BR2_iwmmxt
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config BR2_GCC_TARGET_ARCH
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default armv4t if BR2_arm7tdmi
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default armv3 if BR2_arm610
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default armv3 if BR2_arm710
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default armv4t if BR2_arm720t
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default armv4t if BR2_arm920t
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default armv4t if BR2_arm922t
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default armv5te if BR2_arm926t
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default armv5t if BR2_arm10t
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default armv6j if BR2_arm1136jf_s
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default armv6zk if BR2_arm1176jz_s
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default armv6zk if BR2_arm1176jzf_s
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default armv7-a if BR2_cortex_a8
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default armv7-a if BR2_cortex_a9
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default armv4 if BR2_sa110
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default armv4 if BR2_sa1100
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default armv5te if BR2_xscale
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default iwmmxt if BR2_iwmmxt
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config BR2_GCC_TARGET_ABI
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default apcs-gnu if BR2_ARM_OABI
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default aapcs-linux if BR2_ARM_EABI
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