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Disable o32 ABI for MIPS64 architectures 

Building o32 ELF files for MIPS64 is an exotic configuration that nobody
should be using. If o32 is required, then is better if it's built for
MIPS 32-bit cores so only 32-bit instructions will be used leading to a
more efficient o32 usage.

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Vicente Olivert Riera 2014-03-28 11:00:52 +00:00 committed by Peter Korsgaard
parent 9ef8f8e9c5
commit 574fa145d8
2 changed files with 14 additions and 5 deletions
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8
CHANGES
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@ -1,3 +1,11 @@
2014.05, Not yet released:
Support for MIPS o32 ABI on MIPS-64 targets has been removed. Building
o32 ELF files for MIPS64 is an exotic configuration that nobody should
be using. If o32 is required, then is better if it's built for MIPS
32-bit cores so only 32-bit instructions will be used leading to a more
efficient o32 usage.
2014.02, Released February 27th, 2014
Minor fixes.

11
arch/Config.in.mips
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@ -38,15 +38,12 @@ endchoice
choice
prompt "Target ABI"
depends on BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el
default BR2_MIPS_OABI32 if !BR2_ARCH_IS_64
default BR2_MIPS_NABI32 if BR2_ARCH_IS_64
depends on BR2_mips64 || BR2_mips64el
default BR2_MIPS_NABI32
help
Application Binary Interface to use
config BR2_MIPS_OABI32
bool "o32"
config BR2_MIPS_NABI32
bool "n32"
depends on BR2_ARCH_IS_64
@ -86,6 +83,10 @@ config BR2_GCC_TARGET_ARCH
default "mips64" if BR2_mips_64
default "mips64r2" if BR2_mips_64r2
config BR2_MIPS_OABI32
bool
default y if BR2_mips || BR2_mipsel
config BR2_GCC_TARGET_ABI
default "32" if BR2_MIPS_OABI32
default "n32" if BR2_MIPS_NABI32