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tune-ppce500mc.inc: pass -mcpu=e500mc for ppce500mc kernel compile

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Currently the -mcpu parameter is not passed to cross gcc when assembling
kernel .S file, the implicit -mcpu option that defaults to the latest
server cpu might casuse incorrect assembling.

A existent case is that wait instruction of ppce500mc is incorrectly assembled
to power9 version with default -mcpu setting, accordingly kernel boot calltrace
happend when wait instruction is executed on ppce500mc targets.

(From OE-Core rev: b17f91ed06a604e3d356fe17756bfe2ca61594b7)

Signed-off-by: Zhenhua Luo <zhenhua.luo@nxp.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Zhenhua Luo
2016-06-28 15:25:07 +08:00
committed by Richard Purdie
parent 586249ac83
commit 6bb3069eef
1 changed files with 3 additions and 0 deletions
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3
meta/conf/machine/include/tune-ppce500mc.inc
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@@ -12,3 +12,6 @@ PACKAGE_EXTRA_ARCHS_tune-ppce500mc = "${PACKAGE_EXTRA_ARCHS_tune-powerpc} ppce50
# glibc configure options to get e500mc specific library (for sqrt)
GLIBC_EXTRA_OECONF += "${@bb.utils.contains('TUNE_FEATURES', 'ppce500mc', '-with-cpu=e500mc', '', d)}"
# pass -mcpu=e500mc for ppce500mc kernel cross compile
TARGET_CC_KERNEL_ARCH = "-mcpu=e500mc"