Messages in this thread Patch in this message | | | Date | Fri, 9 Aug 2002 01:52:34 -0700 | From | David Bronaugh <> | Subject | Patch to enable K6-2 and K6-3 processor optimizations |
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Hi,
Well, I said I was new to this; forgot to include the patch, and what kernel version it was against.
It's against 2.4.19, but doesn't really change much, so should apply to most kernel revisions.
Patch follows:
diff -Naur -X dontdiff linux/arch/i386/Makefile linux-2.4/arch/i386/Makefile --- linux/arch/i386/Makefile 2001-04-12 12:20:31.000000000 -0700 +++ linux-2.4/arch/i386/Makefile 2002-08-09 01:16:40.000000000 -0700 @@ -62,6 +62,16 @@ CFLAGS += $(shell if $(CC) -march=k6 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-march=k6"; else echo "-march=i586"; fi) endif +ifdef CONFIG_MK6_2 +CFLAGS += $(shell if $(CC) -march=k6-2 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-march=k6-2"; else if $(CC) -march=k6 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-march=k6"; else echo "-march=i586"; fi; fi) +endif + +ifdef CONFIG_MK6_3 +CFLAGS += $(shell if $(CC) -march=k6-3 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-march=k6-3"; else if $(CC) -march=k6 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-march=k6"; else echo "-march=i586"; fi; fi) +endif + + + ifdef CONFIG_MK7 CFLAGS += $(shell if $(CC) -march=athlon -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-march=athlon"; else echo "-march=i686 -malign-functions=4"; fi) endif diff -Naur -X dontdiff linux/arch/i386/config.in linux-2.4/arch/i386/config.in --- linux/arch/i386/config.in 2002-08-09 01:21:03.000000000 -0700 +++ linux-2.4/arch/i386/config.in 2002-08-09 01:11:39.000000000 -0700 @@ -35,7 +35,9 @@ Pentium-Pro/Celeron/Pentium-II CONFIG_M686 \ Pentium-III/Celeron(Coppermine) CONFIG_MPENTIUMIII \ Pentium-4 CONFIG_MPENTIUM4 \ - K6/K6-II/K6-III CONFIG_MK6 \ + K6 CONFIG_MK6 \ + K6-II CONFIG_MK6_2 \ + K6-III CONFIG_MK6_3 \ Athlon/Duron/K7 CONFIG_MK7 \ Elan CONFIG_MELAN \ Crusoe CONFIG_MCRUSOE \ @@ -119,6 +121,20 @@ define_bool CONFIG_X86_TSC y define_bool CONFIG_X86_USE_PPRO_CHECKSUM y fi +# Since I don't know whether CONFIG_X86_USE_3DNOW means 3dnowext or not, I'm playing it safe +if [ "$CONFIG_MK6_2" = "y" ]; then + define_int CONFIG_X86_L1_CACHE_SHIFT 5 + define_bool CONFIG_X86_ALIGNMENT_16 y + define_bool CONFIG_X86_TSC y + define_bool CONFIG_X86_USE_PPRO_CHECKSUM y +fi +if [ "$CONFIG_MK6_3" = "y" ]; then + define_int CONFIG_X86_L1_CACHE_SHIFT 5 + define_bool CONFIG_X86_ALIGNMENT_16 y + define_bool CONFIG_X86_TSC y
+ define_bool CONFIG_X86_USE_PPRO_CHECKSUM y + define_bool CONFIG_X86_USE_3DNOW y +fi if [ "$CONFIG_MK7" = "y" ]; then define_int CONFIG_X86_L1_CACHE_SHIFT 6 define_bool CONFIG_X86_TSC y - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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