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arch-armv4.inc: add --fix-v4bx to TARGET_LD_KERNEL_ARCH only for armv4 and strongarm1100

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* without this patch it does apply --fix-v4bx not only to armv4, but
  also all higher (because they also have armv4 in TUNE_FEATURES)
* it causes SIGILL on armv4t
  http://lists.linuxtogo.org/pipermail/openembedded-devel/2012-November/042298.html
* someone please test on armv4 device (I tested only bitbake -e output
  that it's correctly applied with DEFAULTTUNE == armv4
* maybe we can should fix this in binutils instead (both 2.22 and 2.23
  are affected)

(From OE-Core rev: 1691ff86c8aefd3c193ae9a2cdd998c7dc6d3270)

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Martin Jansa 2012-12-26 12:52:52 +01:00 committed by Richard Purdie
parent bf471a1aa9
commit 4257e91cc5
1 changed files with 7 additions and 1 deletions
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8
meta/conf/machine/include/arm/arch-armv4.inc
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@ -4,7 +4,13 @@ ARMPKGARCH ?= "armv4"
TUNEVALID[armv4] = "Enable instructions for ARMv4"
TUNE_CCARGS += "${@bb.utils.contains("TUNE_FEATURES", "armv4", "-march=armv4${ARMPKGSFX_THUMB}", "", d)}"
TARGET_LD_KERNEL_ARCH += "${@bb.utils.contains("TUNE_FEATURES", "armv4", "--fix-v4bx", "", d)}"
# enable --fix-v4bx when we have armv4 in TUNE_FEATURES, but then disable it when we have also armv5 or thumb
# maybe we should extend bb.utils.contains to support check for any checkvalues in value, now it does
# checkvalues.issubset(val) which cannot be used for negative test of foo neither bar in value
FIX_V4BX_ARMV4 = "${@bb.utils.contains("TUNE_FEATURES", "armv4", "--fix-v4bx", "", d)}"
FIX_V4BX_ARMV5 = "${@bb.utils.contains("TUNE_FEATURES", "armv5", "", "${FIX_V4BX_ARMV4}", d)}"
FIX_V4BX = "${@bb.utils.contains("TUNE_FEATURES", "thumb", "", "${FIX_V4BX_ARMV5}", d)}"
TARGET_LD_KERNEL_ARCH += "${FIX_V4BX}"
MACHINEOVERRIDES .= "${@bb.utils.contains("TUNE_FEATURES", "armv4", ":armv4", "" ,d)}"
require conf/machine/include/arm/arch-arm.inc