From a0e2251132995b962281aa80ab54a9288f9e0b6b Mon Sep 17 00:00:00 2001 From: Martin Schwidefsky Date: Wed, 6 Feb 2019 08:22:11 +0100 Subject: s390: add support for IBM z15 machines Add detection for machine types 0x8562 and 8x8561 and set the ELF platform name to z15. Add the miscellaneous-instruction-extension 3 facility to the list of facilities for z15. And allow to generate code that only runs on a z15 machine. Reviewed-by: Christian Borntraeger Signed-off-by: Martin Schwidefsky Signed-off-by: Heiko Carstens --- arch/s390/Kconfig | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'arch/s390/Kconfig') diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 3289cc243d92..8c5b05d91106 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -237,6 +237,10 @@ config HAVE_MARCH_Z14_FEATURES def_bool n select HAVE_MARCH_Z13_FEATURES +config HAVE_MARCH_Z15_FEATURES + def_bool n + select HAVE_MARCH_Z14_FEATURES + choice prompt "Processor type" default MARCH_Z196 @@ -308,6 +312,14 @@ config MARCH_Z14 and 3906 series). The kernel will be slightly faster but will not work on older machines. +config MARCH_Z15 + bool "IBM z15" + select HAVE_MARCH_Z15_FEATURES + help + Select this to enable optimizations for IBM z15 (8562 + and 8561 series). The kernel will be slightly faster but will not + work on older machines. + endchoice config MARCH_Z900_TUNE @@ -334,6 +346,9 @@ config MARCH_Z13_TUNE config MARCH_Z14_TUNE def_bool TUNE_Z14 || MARCH_Z14 && TUNE_DEFAULT +config MARCH_Z15_TUNE + def_bool TUNE_Z15 || MARCH_Z15 && TUNE_DEFAULT + choice prompt "Tune code generation" default TUNE_DEFAULT @@ -378,6 +393,9 @@ config TUNE_Z13 config TUNE_Z14 bool "IBM z14" +config TUNE_Z15 + bool "IBM z15" + endchoice config 64BIT -- cgit v1.2.3-59-g8ed1b