path: root/arch/s390/Makefile
diff options
authorHeiko Carstens <heiko.carstens@de.ibm.com>2012-11-13 10:26:37 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2012-11-23 11:14:31 +0100
commit991c15053a3fc209d76f03c73d4f0621025c9452 (patch)
tree6a21d71eba7e0e67521d54c914a11625685d7cba /arch/s390/Makefile
parents390/topology: cleanup topology code (diff)
s390: add zEC12 code generation support
Allow to generate code that only runs on zEC12 machines. Also add a check which prevents the kernel to run on machines which do not have any of the following new facilities installed: - (48) decimal-floating-point zoned-conversion - (49) execution-hint - (49) load-and-trap - (49) miscellaneous-instruction-extensions - (49) processor-assist - (50) constrained transactional-execution - (73) transactional-execution 48, 49, 50 and 73 are the bit numbers of the facility indications for each of the required facilities. Note that we assume that user-space gets compiled with the same compiler options, therefore we also test for a dfp facility even if the kernel doesn't make use of it. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'arch/s390/Makefile')
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index 49e76e8b477d..4b8e08b56f49 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -41,6 +41,7 @@ cflags-$(CONFIG_MARCH_Z990) += $(call cc-option,-march=z990)
cflags-$(CONFIG_MARCH_Z9_109) += $(call cc-option,-march=z9-109)
cflags-$(CONFIG_MARCH_Z10) += $(call cc-option,-march=z10)
cflags-$(CONFIG_MARCH_Z196) += $(call cc-option,-march=z196)
+cflags-$(CONFIG_MARCH_ZEC12) += $(call cc-option,-march=zEC12)
#KBUILD_IMAGE is necessary for make rpm
KBUILD_IMAGE :=arch/s390/boot/image