forked from luck/tmp_suning_uos_patched
ac23d4ee3f
UV supports really big systems. So big, in fact, that the APICID register does not contain enough bits to contain an APICID that is unique across all cpus. The UV BIOS supports 3 APICID modes: - legacy mode. This mode uses the old APIC mode where APICID is in bits [31:24] of the APICID register. - x2apic mode. This mode is whitebox-compatible. APICIDs are unique across all cpus. Standard x2apic APIC operations (Intel-defined) can be used for IPIs. The node identifier fits within the Intel-defined portion of the APICID register. - x2apic-uv mode. In this mode, the APICIDs on each node have unique IDs, but IDs on different node are not unique. For example, if each mode has 32 cpus, the APICIDs on each node might be 0 - 31. Every node has the same set of IDs. The UV hub is used to route IPIs/interrupts to the correct node. Traditional APIC operations WILL NOT WORK. In x2apic-uv mode, the ACPI tables all contain a full unique ID (note: exact bit layout still changing but the following is close): nnnnnnnnnnlc0cch n = unique node number l = socket number on board c = core h = hyperthread Only the "lc0cch" bits are written to the APICID register. The remaining bits are supplied by having the get_apic_id() function "OR" the extra bits into the value read from the APICID register. (Hmmm.. why not keep the ENTIRE APICID register in per-cpu data....) The x2apic-uv mode is recognized by the MADT table containing: oem_id = "SGI" oem_table_id = "UV-X" Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
100 lines
3.3 KiB
Makefile
100 lines
3.3 KiB
Makefile
#
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# Makefile for the linux kernel.
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#
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extra-y := head_$(BITS).o head$(BITS).o init_task.o vmlinux.lds
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CPPFLAGS_vmlinux.lds += -U$(UTS_MACHINE)
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#
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# vsyscalls (which work on the user stack) should have
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# no stack-protector checks:
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#
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nostackp := $(call cc-option, -fno-stack-protector)
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CFLAGS_vsyscall_64.o := $(PROFILING) -g0 $(nostackp)
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CFLAGS_hpet.o := $(nostackp)
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CFLAGS_tsc_64.o := $(nostackp)
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obj-y := process_$(BITS).o signal_$(BITS).o entry_$(BITS).o
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obj-y += traps_$(BITS).o irq_$(BITS).o
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obj-y += time_$(BITS).o ioport.o ldt.o
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obj-y += setup_$(BITS).o i8259_$(BITS).o setup.o
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obj-$(CONFIG_X86_32) += sys_i386_32.o i386_ksyms_32.o
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obj-$(CONFIG_X86_64) += sys_x86_64.o x8664_ksyms_64.o
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obj-$(CONFIG_X86_64) += syscall_64.o vsyscall_64.o setup64.o
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obj-y += pci-dma_$(BITS).o bootflag.o e820_$(BITS).o
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obj-y += quirks.o i8237.o topology.o kdebugfs.o
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obj-y += alternative.o i8253.o
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obj-$(CONFIG_X86_64) += pci-nommu_64.o bugs_64.o
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obj-y += tsc_$(BITS).o io_delay.o rtc.o
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obj-y += i387.o
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obj-y += ptrace.o
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obj-y += ds.o
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obj-$(CONFIG_X86_32) += tls.o
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obj-$(CONFIG_IA32_EMULATION) += tls.o
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obj-y += step.o
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obj-$(CONFIG_STACKTRACE) += stacktrace.o
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obj-y += cpu/
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obj-y += acpi/
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obj-$(CONFIG_X86_BIOS_REBOOT) += reboot.o
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obj-$(CONFIG_X86_64) += reboot.o
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obj-$(CONFIG_MCA) += mca_32.o
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obj-$(CONFIG_X86_MSR) += msr.o
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obj-$(CONFIG_X86_CPUID) += cpuid.o
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obj-$(CONFIG_MICROCODE) += microcode.o
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obj-$(CONFIG_PCI) += early-quirks.o
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apm-y := apm_32.o
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obj-$(CONFIG_APM) += apm.o
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obj-$(CONFIG_X86_SMP) += smp.o
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obj-$(CONFIG_X86_SMP) += smpboot.o tsc_sync.o ipi.o tlb_$(BITS).o
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obj-$(CONFIG_X86_32_SMP) += smpcommon.o
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obj-$(CONFIG_X86_64_SMP) += tsc_sync.o smpcommon.o
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obj-$(CONFIG_X86_TRAMPOLINE) += trampoline_$(BITS).o
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obj-$(CONFIG_X86_MPPARSE) += mpparse_$(BITS).o
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obj-$(CONFIG_X86_LOCAL_APIC) += apic_$(BITS).o nmi_$(BITS).o
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obj-$(CONFIG_X86_IO_APIC) += io_apic_$(BITS).o
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obj-$(CONFIG_X86_REBOOTFIXUPS) += reboot_fixups_32.o
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obj-$(CONFIG_KEXEC) += machine_kexec_$(BITS).o
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obj-$(CONFIG_KEXEC) += relocate_kernel_$(BITS).o crash.o
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obj-$(CONFIG_CRASH_DUMP) += crash_dump_$(BITS).o
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obj-$(CONFIG_X86_NUMAQ) += numaq_32.o
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obj-$(CONFIG_X86_SUMMIT_NUMA) += summit_32.o
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obj-y += vsmp_64.o
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obj-$(CONFIG_KPROBES) += kprobes.o
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obj-$(CONFIG_MODULES) += module_$(BITS).o
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obj-$(CONFIG_ACPI_SRAT) += srat_32.o
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obj-$(CONFIG_EFI) += efi.o efi_$(BITS).o efi_stub_$(BITS).o
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obj-$(CONFIG_DOUBLEFAULT) += doublefault_32.o
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obj-$(CONFIG_VM86) += vm86_32.o
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obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
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obj-$(CONFIG_HPET_TIMER) += hpet.o
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obj-$(CONFIG_K8_NB) += k8.o
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obj-$(CONFIG_MGEODE_LX) += geode_32.o mfgpt_32.o
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obj-$(CONFIG_DEBUG_RODATA_TEST) += test_rodata.o
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obj-$(CONFIG_DEBUG_NX_TEST) += test_nx.o
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obj-$(CONFIG_VMI) += vmi_32.o vmiclock_32.o
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obj-$(CONFIG_PARAVIRT) += paravirt.o paravirt_patch_$(BITS).o
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ifdef CONFIG_INPUT_PCSPKR
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obj-y += pcspeaker.o
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endif
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obj-$(CONFIG_SCx200) += scx200.o
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scx200-y += scx200_32.o
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###
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# 64 bit specific files
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ifeq ($(CONFIG_X86_64),y)
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obj-y += genapic_64.o genapic_flat_64.o genx2apic_uv_x.o
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obj-$(CONFIG_X86_PM_TIMER) += pmtimer_64.o
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obj-$(CONFIG_AUDIT) += audit_64.o
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obj-$(CONFIG_GART_IOMMU) += pci-gart_64.o aperture_64.o
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obj-$(CONFIG_CALGARY_IOMMU) += pci-calgary_64.o tce_64.o
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obj-$(CONFIG_SWIOTLB) += pci-swiotlb_64.o
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endif
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