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List:       openembedded-core
Subject:    [OE-core] [PATCH] feature-arm-thumb: Take ARM_INSTRUCTION_SET into account to decide thumb mode
From:       raj.khem () gmail ! com (Khem Raj)
Date:       2011-07-29 16:58:00
Message-ID: 1311958680-10604-1-git-send-email-raj.khem () gmail ! com
[Download RAW message or body]

This will decouple the compiling in thumb mode from having thumb
capable cores.

Signed-off-by: Khem Raj <raj.khem at gmail.com>
---
 .../conf/machine/include/arm/feature-arm-thumb.inc |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/meta/conf/machine/include/arm/feature-arm-thumb.inc \
b/meta/conf/machine/include/arm/feature-arm-thumb.inc index b580168..533eab9 100644
--- a/meta/conf/machine/include/arm/feature-arm-thumb.inc
+++ b/meta/conf/machine/include/arm/feature-arm-thumb.inc
@@ -4,7 +4,10 @@
 # encoded RISC sub-set. Thumb code is smaller (maybe 70% of the ARM size)
 # but requires more instructions (140% for 70% smaller code) so may be
 # slower.
-TUNEVALID[thumb] = "Use thumb instructions instead of ARM"
+TUNEVALID[thumb] = "Use thumb instructions instead of ARM if ARM_INSTRUCTION_SET != \
arm" +ARM_THUMB_M_OPT = "${@['-mthumb', \
'-mno-thumb'][bb.data.getVar('ARM_INSTRUCTION_SET', d, 1) != 'arm']}" +TUNE_CCARGS += \
"${@bb.utils.contains("TUNE_FEATURES", "thumb", "${ARM_THUMB_M_OPT}", \
"${ARM_THUMB_M_OPT}", d)}" +
 TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "thumb", "-mthumb", \
"-mno-thumb", d)}"  OVERRIDES .= "${@bb.utils.contains("TUNE_FEATURES", "thumb", \
":thumb", "", d)}"  
-- 
1.7.4.1


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