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arch: toolchain: Introduce target CPU revision.

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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@analog.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Sonic Zhang 2013-05-03 00:39:36 +00:00 committed by Peter Korsgaard
parent 371e6dc780
commit 66d41890ec
4 changed files with 20 additions and 1 deletions
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3
arch/Config.in
View File

@ -189,6 +189,9 @@ config BR2_GCC_TARGET_ABI
config BR2_GCC_TARGET_CPU
string
config BR2_GCC_TARGET_CPU_REVISION
string
# Set up target binary format
choice
prompt "Target Binary Format"

8
arch/Config.in.bfin
View File

@ -97,3 +97,11 @@ 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 a target CPU revision, which will be appended to the
value of the -mcpu option. For example, if the selected CPU is
bf609, and then selected CPU revision is "0.0", then gcc will
receive the -mcpu=bf609-0.0 option.

6
toolchain/gcc/gcc-uclibc-4.x.mk
View File

@ -90,7 +90,11 @@ ifneq ($(call qstrip,$(BR2_GCC_TARGET_ABI)),)
GCC_WITH_ABI:=--with-abi=$(BR2_GCC_TARGET_ABI)
endif
ifneq ($(call qstrip,$(BR2_GCC_TARGET_CPU)),)
GCC_WITH_CPU:=--with-cpu=$(BR2_GCC_TARGET_CPU)
ifneq ($(call qstrip,$(BR2_GCC_TARGET_CPU_REVISION)),)
GCC_WITH_CPU:=--with-cpu=$(call qstrip,$(BR2_GCC_TARGET_CPU)-$(BR2_GCC_TARGET_CPU_REVISION))
else
GCC_WITH_CPU:=--with-cpu=$(call qstrip,$(BR2_GCC_TARGET_CPU))
endif
endif
# AVR32 GCC special configuration

4
toolchain/toolchain-external/ext-tool.mk
View File

@ -134,7 +134,11 @@ TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += \
endif
CC_TARGET_TUNE_:=$(call qstrip,$(BR2_GCC_TARGET_TUNE))
ifeq ($(call qstrip,$(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))