[Buildroot] [PATCH 2/7] arch: toolchain: Introduce target CPU revision.
Sonic Zhang
sonic.adi at gmail.com
Tue Mar 26 09:33:53 UTC 2013
From: Sonic Zhang <sonic.zhang at analog.com>
Adds the possibility to have a free-form CPU revision string and append it
to the target CPU. Only Blackfin actually uses this option.
Signed-off-by: Sonic Zhang <sonic.zhang at analog.com>
---
arch/Config.in | 3 +++
arch/Config.in.bfin | 5 +++++
toolchain/toolchain-external/ext-tool.mk | 4 ++++
3 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/arch/Config.in b/arch/Config.in
index 472b10c..c341848 100644
--- a/arch/Config.in
+++ b/arch/Config.in
@@ -174,6 +174,9 @@ config BR2_GCC_TARGET_ABI
config BR2_GCC_TARGET_CPU
string
+config BR2_GCC_TARGET_CPU_REVISION
+ string
+
if BR2_arm || BR2_armeb
source "arch/Config.in.arm"
endif
diff --git a/arch/Config.in.bfin b/arch/Config.in.bfin
index ac96620..021f5fe 100644
--- a/arch/Config.in.bfin
+++ b/arch/Config.in.bfin
@@ -97,3 +97,8 @@ config BR2_GCC_TARGET_CPU
default bf548 if BR2_bf548
default bf549 if BR2_bf549
default bf561 if BR2_bf561
+
+config BR2_GCC_TARGET_CPU_REVISION
+ string "Target CPU revision"
+ help
+ Specify target cpu revision which is passed to compiler as a parameter.
diff --git a/toolchain/toolchain-external/ext-tool.mk b/toolchain/toolchain-external/ext-tool.mk
index b477bc0..407e1ad 100644
--- a/toolchain/toolchain-external/ext-tool.mk
+++ b/toolchain/toolchain-external/ext-tool.mk
@@ -134,7 +134,11 @@ TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += \
endif
CC_TARGET_TUNE_:=$(call qstrip,$(BR2_GCC_TARGET_TUNE))
+ifeq ($(BR2_GCC_TARGET_CPU_REVISION),)
CC_TARGET_CPU_:=$(call qstrip,$(BR2_GCC_TARGET_CPU))
+else
+CC_TARGET_CPU_:=$(call qstrip,$(BR2_GCC_TARGET_CPU)-$(BR2_GCC_TARGET_CPU_REVISION))
+endif
CC_TARGET_ARCH_:=$(call qstrip,$(BR2_GCC_TARGET_ARCH))
CC_TARGET_ABI_:=$(call qstrip,$(BR2_GCC_TARGET_ABI))
--
1.7.0.4
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