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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
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@@ -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.