diff options
Diffstat (limited to 'arch/i386')
| -rw-r--r-- | arch/i386/.gitignore | 1 | ||||
| -rw-r--r-- | arch/i386/Kconfig | 19 | ||||
| -rw-r--r-- | arch/i386/Kconfig.cpu | 36 | ||||
| -rw-r--r-- | arch/i386/Makefile | 16 |
4 files changed, 50 insertions, 22 deletions
diff --git a/arch/i386/.gitignore b/arch/i386/.gitignore new file mode 100644 index 00000000000..36ef4c374d2 --- /dev/null +++ b/arch/i386/.gitignore @@ -0,0 +1 @@ +boot diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index bf9aafad497..b84d5050e92 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -146,6 +146,7 @@ config X86_ELAN config X86_VOYAGER bool "Voyager (NCR)" + select SMP if !BROKEN help Voyager is an MCA-based 32-way capable SMP architecture proprietary to NCR Corp. Machine classes 345x/35xx/4100/51xx are Voyager-based. @@ -831,12 +832,13 @@ config CRASH_DUMP depends on HIGHMEM help Generate crash dump after being started by kexec. - This should be normally only set in special crash dump kernels + This should be normally only set in special crash dump kernels which are loaded in the main kernel with kexec-tools into a specially reserved region and then later executed after a crash by kdump/kexec. The crash dump kernel must be compiled - to a memory address not used by the main kernel or BIOS using - PHYSICAL_START. + to a memory address not used by the main kernel or BIOS using + PHYSICAL_START, or it must be built as a relocatable image + (CONFIG_RELOCATABLE=y). For more details see Documentation/kdump/kdump.txt config PHYSICAL_START @@ -882,17 +884,17 @@ config PHYSICAL_START Don't change this unless you know what you are doing. config RELOCATABLE - bool "Build a relocatable kernel(EXPERIMENTAL)" + bool "Build a relocatable kernel (EXPERIMENTAL)" depends on EXPERIMENTAL help This builds a kernel image that retains relocation information - so it can be loaded someplace besides the default 1MB. + so it can be loaded someplace besides the default 1MB. The relocations tend to make the kernel binary about 10% larger, - but are discarded at runtime. + but are discarded at runtime. One use is for the kexec on panic case where the recovery kernel - must live at a different physical address than the primary - kernel. + must live at a different physical address than the primary + kernel. config PHYSICAL_ALIGN hex "Alignment value to which kernel should be aligned" @@ -1256,7 +1258,6 @@ source "fs/Kconfig" menuconfig INSTRUMENTATION bool "Instrumentation Support" - depends on EXPERIMENTAL default y ---help--- Say Y here to get to see options related to performance measurement, diff --git a/arch/i386/Kconfig.cpu b/arch/i386/Kconfig.cpu index 11a24d54f27..0e2adadf590 100644 --- a/arch/i386/Kconfig.cpu +++ b/arch/i386/Kconfig.cpu @@ -109,16 +109,42 @@ config MCORE2 help Select this for Intel Core 2 and newer Core 2 Xeons (Xeon 51xx and 53xx) CPUs. You can distinguish newer from older Xeons by the CPU family - in /proc/cpuinfo. Newer ones have 6. + in /proc/cpuinfo. Newer ones have 6 and older ones 15 (not a typo) config MPENTIUM4 bool "Pentium-4/Celeron(P4-based)/Pentium-4 M/older Xeon" help Select this for Intel Pentium 4 chips. This includes the - Pentium 4, P4-based Celeron and Xeon, and Pentium-4 M - (not Pentium M) chips. This option enables compile flags - optimized for the chip, uses the correct cache shift, and - applies any applicable Pentium III optimizations. + Pentium 4, Pentium D, P4-based Celeron and Xeon, and + Pentium-4 M (not Pentium M) chips. This option enables compile + flags optimized for the chip, uses the correct cache line size, and + applies any applicable optimizations. + + CPUIDs: F[0-6][1-A] (in /proc/cpuinfo show = cpu family : 15 ) + + Select this for: + Pentiums (Pentium 4, Pentium D, Celeron, Celeron D) corename: + -Willamette + -Northwood + -Mobile Pentium 4 + -Mobile Pentium 4 M + -Extreme Edition (Gallatin) + -Prescott + -Prescott 2M + -Cedar Mill + -Presler + -Smithfiled + Xeons (Intel Xeon, Xeon MP, Xeon LV, Xeon MV) corename: + -Foster + -Prestonia + -Gallatin + -Nocona + -Irwindale + -Cranford + -Potomac + -Paxville + -Dempsey + config MK6 bool "K6/K6-II/K6-III" diff --git a/arch/i386/Makefile b/arch/i386/Makefile index 5e50dbf00f3..f036d2dee3d 100644 --- a/arch/i386/Makefile +++ b/arch/i386/Makefile @@ -34,10 +34,10 @@ LDFLAGS_vmlinux := --emit-relocs endif CHECKFLAGS += -D__i386__ -CFLAGS += -pipe -msoft-float -mregparm=3 -freg-struct-return +KBUILD_CFLAGS += -pipe -msoft-float -mregparm=3 -freg-struct-return # prevent gcc from keeping the stack 16 byte aligned -CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2) +KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2) # CPU-specific tuning. Anything which can be shared with UML should go here. include $(srctree)/arch/i386/Makefile.cpu @@ -51,17 +51,17 @@ cflags-y += -maccumulate-outgoing-args # Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use # a lot more stack due to the lack of sharing of stacklots: -CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-option,-fno-unit-at-a-time); fi ;) +KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-option,-fno-unit-at-a-time); fi ;) # do binutils support CFI? cflags-y += $(call as-instr,.cfi_startproc\n.cfi_rel_offset esp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,) -AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_rel_offset esp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,) +KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_rel_offset esp${comma}0\n.cfi_endproc,-DCONFIG_AS_CFI=1,) # is .cfi_signal_frame supported too? cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,) -AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,) +KBUILD_AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,) -CFLAGS += $(cflags-y) +KBUILD_CFLAGS += $(cflags-y) # Default subarch .c files mcore-y := arch/x86/mach-default @@ -116,8 +116,8 @@ drivers-$(CONFIG_OPROFILE) += arch/x86/oprofile/ drivers-$(CONFIG_PM) += arch/x86/power/ drivers-$(CONFIG_FB) += arch/x86/video/ -CFLAGS += $(mflags-y) -AFLAGS += $(mflags-y) +KBUILD_CFLAGS += $(mflags-y) +KBUILD_AFLAGS += $(mflags-y) boot := arch/x86/boot |