[Buildroot] [RFC] Buildroot support for X1000
Kinsella, Ray
ray.kinsella at intel.com
Fri Oct 16 16:27:36 UTC 2015
Hi Arnout,
X1000 is the Intel microprocessor that ships with Intel Galileo Gen 1/2.
As discussed previously, here is an RFC that prototypes changes to arch
and toolchain-wrapper to omit the lock prefix for the X1000.
If you agree, I will send a formal patch with these.
Ray K
Signed-off-by: Ray Kinsella <ray.kinsella at intel.com>
---
arch/Config.in.x86 | 4 ++++
toolchain/toolchain-wrapper.c | 3 +++
toolchain/toolchain-wrapper.mk | 4 ++++
4 files changed, 11 insertions(+), 11 deletions(-)
delete mode 100644 board/intel/galileo/patches/binutils/2.25/default-lock-prefix.patch
diff --git a/arch/Config.in.x86 b/arch/Config.in.x86
index 43f6abc..a284e4f 100644
--- a/arch/Config.in.x86
+++ b/arch/Config.in.x86
@@ -34,6 +34,9 @@ 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
config BR2_x86_i686
bool "i686"
depends on !BR2_x86_64
@@ -202,6 +205,7 @@ 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
diff --git a/toolchain/toolchain-wrapper.c b/toolchain/toolchain-wrapper.c
index 632696c..ef53d36 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_X1000
+ "-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 c78363a..893669c 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_X1000
+endif
+
ifeq ($(BR2_CCACHE_USE_BASEDIR),y)
TOOLCHAIN_WRAPPER_ARGS += -DBR_CCACHE_BASEDIR='"$(BASE_DIR)"'
endif
--
2.1.0
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