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s390: add z13 code generation support
Allow to generate code that only runs on z13 machines. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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parent
e982506730
commit
f8b2dcbd9e
4 changed files with 26 additions and 1 deletions
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@ -185,6 +185,10 @@ config HAVE_MARCH_ZEC12_FEATURES
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def_bool n
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select HAVE_MARCH_Z196_FEATURES
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config HAVE_MARCH_Z13_FEATURES
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def_bool n
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select HAVE_MARCH_ZEC12_FEATURES
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choice
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prompt "Processor type"
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default MARCH_G5
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@ -244,6 +248,14 @@ config MARCH_ZEC12
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2827 series). The kernel will be slightly faster but will not work on
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older machines.
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config MARCH_Z13
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bool "IBM z13"
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select HAVE_MARCH_Z13_FEATURES if 64BIT
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help
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Select this to enable optimizations for IBM z13 (2964 series).
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The kernel will be slightly faster but will not work on older
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machines.
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endchoice
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config MARCH_G5_TUNE
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@ -267,6 +279,9 @@ config MARCH_Z196_TUNE
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config MARCH_ZEC12_TUNE
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def_bool TUNE_ZEC12 || MARCH_ZEC12 && TUNE_DEFAULT
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config MARCH_Z13_TUNE
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def_bool TUNE_Z13 || MARCH_Z13 && TUNE_DEFAULT
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choice
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prompt "Tune code generation"
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default TUNE_DEFAULT
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@ -305,6 +320,9 @@ config TUNE_Z196
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config TUNE_ZEC12
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bool "IBM zBC12 and zEC12"
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config TUNE_Z13
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bool "IBM z13"
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endchoice
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config 64BIT
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@ -42,6 +42,7 @@ mflags-$(CONFIG_MARCH_Z9_109) := -march=z9-109
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mflags-$(CONFIG_MARCH_Z10) := -march=z10
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mflags-$(CONFIG_MARCH_Z196) := -march=z196
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mflags-$(CONFIG_MARCH_ZEC12) := -march=zEC12
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mflags-$(CONFIG_MARCH_Z13) := -march=z13
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aflags-y += $(mflags-y)
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cflags-y += $(mflags-y)
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@ -53,6 +54,7 @@ cflags-$(CONFIG_MARCH_Z9_109_TUNE) += -mtune=z9-109
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cflags-$(CONFIG_MARCH_Z10_TUNE) += -mtune=z10
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cflags-$(CONFIG_MARCH_Z196_TUNE) += -mtune=z196
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cflags-$(CONFIG_MARCH_ZEC12_TUNE) += -mtune=zEC12
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cflags-$(CONFIG_MARCH_Z13_TUNE) += -mtune=z13
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#KBUILD_IMAGE is necessary for make rpm
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KBUILD_IMAGE :=arch/s390/boot/image
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@ -436,7 +436,9 @@ ENTRY(startup_kdump)
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# followed by the facility words.
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#if defined(CONFIG_64BIT)
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#if defined(CONFIG_MARCH_ZEC12)
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#if defined(CONFIG_MARCH_Z13)
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.long 3, 0xc100eff2, 0xf46ce800, 0x00400000
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#elif defined(CONFIG_MARCH_ZEC12)
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.long 3, 0xc100eff2, 0xf46ce800, 0x00400000
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#elif defined(CONFIG_MARCH_Z196)
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.long 2, 0xc100eff2, 0xf46c0000
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@ -810,6 +810,9 @@ static void __init setup_hwcaps(void)
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case 0x2828:
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strcpy(elf_platform, "zEC12");
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break;
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case 0x2964:
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strcpy(elf_platform, "z13");
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break;
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}
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}
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