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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/kernel/setup.c
parentd1e57508fbd63b340788afe6f2c74a608603e714 (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/kernel/setup.c')
-rw-r--r--arch/s390/kernel/setup.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index cfdad57957fe..2568590973ad 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -1006,6 +1006,9 @@ static void __init setup_hwcaps(void)
case 0x2818:
strcpy(elf_platform, "z196");
break;
+ case 0x2827:
+ strcpy(elf_platform, "zEC12");
+ break;
}
}