diff options
| -rw-r--r-- | arch/Config.in.x86 | 12 | ||||
| -rw-r--r-- | toolchain/toolchain-wrapper.c | 3 | ||||
| -rw-r--r-- | toolchain/toolchain-wrapper.mk | 4 |
3 files changed, 19 insertions, 0 deletions
diff --git a/arch/Config.in.x86 b/arch/Config.in.x86 index 43f6abc342..dca30dade7 100644 --- a/arch/Config.in.x86 +++ b/arch/Config.in.x86 @@ -34,6 +34,16 @@ config BR2_x86_i486 config BR2_x86_i586 bool "i586" depends on !BR2_x86_64 +config BR2_x86_x1000 + bool "x1000" + depends on !BR2_x86_64 + help + The Intel X1000 is a Pentium class microprocessor in the + Quark (sub-Atom) Product Line. The X1000 has a bug on the + lock prefix requiring that prefix must be stripped at build + time. + + See https://en.wikipedia.org/wiki/Intel_Quark. config BR2_x86_i686 bool "i686" depends on !BR2_x86_64 @@ -202,6 +212,7 @@ config BR2_ARCH default "i386" if BR2_x86_i386 default "i486" if BR2_x86_i486 default "i586" if BR2_x86_i586 + default "i586" if BR2_x86_x1000 default "i586" if BR2_x86_pentium_mmx default "i586" if BR2_x86_geode default "i586" if BR2_x86_c3 @@ -240,6 +251,7 @@ config BR2_GCC_TARGET_ARCH default "i386" if BR2_x86_i386 default "i486" if BR2_x86_i486 default "i586" if BR2_x86_i586 + default "i586" if BR2_x86_x1000 default "pentium-mmx" if BR2_x86_pentium_mmx default "i686" if BR2_x86_i686 default "pentiumpro" if BR2_x86_pentiumpro diff --git a/toolchain/toolchain-wrapper.c b/toolchain/toolchain-wrapper.c index 16a3d7852f..887058f699 100644 --- a/toolchain/toolchain-wrapper.c +++ b/toolchain/toolchain-wrapper.c @@ -63,6 +63,9 @@ static char *predef_args[] = { #ifdef BR_64 "-m64", #endif +#ifdef BR_OMIT_LOCK_PREFIX + "-Wa,-momit-lock-prefix=yes", +#endif #ifdef BR_BINFMT_FLAT "-Wl,-elf2flt", #endif diff --git a/toolchain/toolchain-wrapper.mk b/toolchain/toolchain-wrapper.mk index c78363a2ed..eba2b381e9 100644 --- a/toolchain/toolchain-wrapper.mk +++ b/toolchain/toolchain-wrapper.mk @@ -20,6 +20,10 @@ ifeq ($(BR2_CCACHE),y) TOOLCHAIN_WRAPPER_ARGS += -DBR_CCACHE endif +ifeq ($(BR2_x86_x1000),y) +TOOLCHAIN_WRAPPER_ARGS += -DBR_OMIT_LOCK_PREFIX +endif + ifeq ($(BR2_CCACHE_USE_BASEDIR),y) TOOLCHAIN_WRAPPER_ARGS += -DBR_CCACHE_BASEDIR='"$(BASE_DIR)"' endif |
