From 8fb6b8022ceff04d2f583505a61083408d15bae6 Mon Sep 17 00:00:00 2001 From: Simon Arlott Date: Tue, 13 Feb 2007 00:28:30 +0000 Subject: Add an option for the VIA C7 which sets appropriate L1 cache --- arch/i386/Kconfig.cpu | 13 ++++++++++--- arch/i386/Makefile.cpu | 1 + arch/i386/defconfig | 1 + arch/um/defconfig | 1 + include/asm-i386/module.h | 2 ++ 5 files changed, 15 insertions(+), 3 deletions(-) diff --git a/arch/i386/Kconfig.cpu b/arch/i386/Kconfig.cpu index 2aecfba..194d8c2 100644 --- a/arch/i386/Kconfig.cpu +++ b/arch/i386/Kconfig.cpu @@ -43,6 +43,7 @@ config M386 - "Geode GX/LX" For AMD Geode GX and LX processors. - "CyrixIII/VIA C3" for VIA Cyrix III or VIA C3. - "VIA C3-2" for VIA C3-2 "Nehemiah" (model 9 and above). + - "VIA C7" for VIA C7. If you don't know what to do, choose "386". @@ -203,6 +204,12 @@ config MVIAC3_2 of SSE and tells gcc to treat the CPU as a 686. Note, this kernel will not boot on older (pre model 9) C3s. +config MVIAC7 + bool "VIA C7" + help + Select this for a VIA C7. Selecting this uses the correct cache + shift and tells gcc to treat the CPU as a 686. + endchoice config X86_GENERIC @@ -236,7 +243,7 @@ config X86_L1_CACHE_SHIFT default "7" if MPENTIUM4 || X86_GENERIC default "4" if X86_ELAN || M486 || M386 || MGEODEGX1 default "5" if MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCRUSOE || MEFFICEON || MCYRIXIII || MK6 || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || M586 || MVIAC3_2 || MGEODE_LX - default "6" if MK7 || MK8 || MPENTIUMM || MCORE2 + default "6" if MK7 || MK8 || MPENTIUMM || MCORE2 || MVIAC7 config RWSEM_GENERIC_SPINLOCK bool @@ -302,7 +309,7 @@ config X86_ALIGNMENT_16 config X86_GOOD_APIC bool - depends on MK7 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || MK8 || MEFFICEON || MCORE2 + depends on MK7 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || MK8 || MEFFICEON || MCORE2 || MVIAC7 default y config X86_INTEL_USERCOPY @@ -327,5 +334,5 @@ config X86_OOSTORE config X86_TSC bool - depends on (MWINCHIP3D || MWINCHIP2 || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MVIAC3_2 || MGEODEGX1 || MGEODE_LX || MCORE2) && !X86_NUMAQ + depends on (MWINCHIP3D || MWINCHIP2 || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MVIAC3_2 || MVIAC7 || MGEODEGX1 || MGEODE_LX || MCORE2) && !X86_NUMAQ default y diff --git a/arch/i386/Makefile.cpu b/arch/i386/Makefile.cpu index a32c031..e0ada4e 100644 --- a/arch/i386/Makefile.cpu +++ b/arch/i386/Makefile.cpu @@ -32,6 +32,7 @@ cflags-$(CONFIG_MWINCHIP2) += $(call cc-option,-march=winchip2,-march=i586) cflags-$(CONFIG_MWINCHIP3D) += $(call cc-option,-march=winchip2,-march=i586) cflags-$(CONFIG_MCYRIXIII) += $(call cc-option,-march=c3,-march=i486) $(align)-functions=0 $(align)-jumps=0 $(align)-loops=0 cflags-$(CONFIG_MVIAC3_2) += $(call cc-option,-march=c3-2,-march=i686) +cflags-$(CONFIG_MVIAC7) += -march=i686 cflags-$(CONFIG_MCORE2) += -march=i686 $(call cc-option,-mtune=core2,$(call cc-option,-mtune=generic,-mtune=i686)) # AMD Elan support diff --git a/arch/i386/defconfig b/arch/i386/defconfig index bb0c376..04001ab 100644 --- a/arch/i386/defconfig +++ b/arch/i386/defconfig @@ -137,6 +137,7 @@ CONFIG_MPENTIUMIII=y # CONFIG_MGEODE_LX is not set # CONFIG_MCYRIXIII is not set # CONFIG_MVIAC3_2 is not set +# CONFIG_MVIAC7 is not set CONFIG_X86_GENERIC=y CONFIG_X86_CMPXCHG=y CONFIG_X86_XADD=y diff --git a/arch/um/defconfig b/arch/um/defconfig index 780cc0a..f938fa8 100644 --- a/arch/um/defconfig +++ b/arch/um/defconfig @@ -41,6 +41,7 @@ CONFIG_M686=y # CONFIG_MGEODE_LX is not set # CONFIG_MCYRIXIII is not set # CONFIG_MVIAC3_2 is not set +# CONFIG_MVIAC7 is not set # CONFIG_X86_GENERIC is not set CONFIG_X86_CMPXCHG=y CONFIG_X86_XADD=y diff --git a/include/asm-i386/module.h b/include/asm-i386/module.h index 02f8f54..7e5fda6 100644 --- a/include/asm-i386/module.h +++ b/include/asm-i386/module.h @@ -54,6 +54,8 @@ struct mod_arch_specific #define MODULE_PROC_FAMILY "CYRIXIII " #elif defined CONFIG_MVIAC3_2 #define MODULE_PROC_FAMILY "VIAC3-2 " +#elif defined CONFIG_MVIAC7 +#define MODULE_PROC_FAMILY "VIAC7 " #elif defined CONFIG_MGEODEGX1 #define MODULE_PROC_FAMILY "GEODEGX1 " #elif defined CONFIG_MGEODE_LX -- 1.5.0.1