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- #
- # Makefile for the linux kernel.
- #
- extra-y := head.o init_task.o vmlinux.lds
- obj-y := process.o signal.o entry.o traps.o irq.o \
- ptrace.o time.o ioport.o ldt.o setup.o i8259.o sys_i386.o \
- pci-dma.o i386_ksyms.o i387.o bootflag.o \
- quirks.o i8237.o topology.o alternative.o i8253.o tsc.o
- obj-$(CONFIG_STACKTRACE) += stacktrace.o
- obj-y += cpu/
- obj-y += acpi/
- obj-$(CONFIG_X86_BIOS_REBOOT) += reboot.o
- obj-$(CONFIG_MCA) += mca.o
- obj-$(CONFIG_X86_MSR) += msr.o
- obj-$(CONFIG_X86_CPUID) += cpuid.o
- obj-$(CONFIG_MICROCODE) += microcode.o
- obj-$(CONFIG_APM) += apm.o
- obj-$(CONFIG_X86_SMP) += smp.o smpboot.o
- obj-$(CONFIG_X86_TRAMPOLINE) += trampoline.o
- obj-$(CONFIG_X86_MPPARSE) += mpparse.o
- obj-$(CONFIG_X86_LOCAL_APIC) += apic.o nmi.o
- obj-$(CONFIG_X86_IO_APIC) += io_apic.o
- obj-$(CONFIG_X86_REBOOTFIXUPS) += reboot_fixups.o
- obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o crash.o
- obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
- obj-$(CONFIG_X86_NUMAQ) += numaq.o
- obj-$(CONFIG_X86_SUMMIT_NUMA) += summit.o
- obj-$(CONFIG_KPROBES) += kprobes.o
- obj-$(CONFIG_MODULES) += module.o
- obj-y += sysenter.o vsyscall.o
- obj-$(CONFIG_ACPI_SRAT) += srat.o
- obj-$(CONFIG_HPET_TIMER) += time_hpet.o
- obj-$(CONFIG_EFI) += efi.o efi_stub.o
- obj-$(CONFIG_DOUBLEFAULT) += doublefault.o
- obj-$(CONFIG_VM86) += vm86.o
- obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
- obj-$(CONFIG_HPET_TIMER) += hpet.o
- obj-$(CONFIG_K8_NB) += k8.o
- EXTRA_AFLAGS := -traditional
- obj-$(CONFIG_SCx200) += scx200.o
- # vsyscall.o contains the vsyscall DSO images as __initdata.
- # We must build both images before we can assemble it.
- # Note: kbuild does not track this dependency due to usage of .incbin
- $(obj)/vsyscall.o: $(obj)/vsyscall-int80.so $(obj)/vsyscall-sysenter.so
- targets += $(foreach F,int80 sysenter,vsyscall-$F.o vsyscall-$F.so)
- targets += vsyscall-note.o vsyscall.lds
- # The DSO images are built using a special linker script.
- quiet_cmd_syscall = SYSCALL $@
- cmd_syscall = $(CC) -m elf_i386 -nostdlib $(SYSCFLAGS_$(@F)) \
- -Wl,-T,$(filter-out FORCE,$^) -o $@
- export CPPFLAGS_vsyscall.lds += -P -C -U$(ARCH)
- vsyscall-flags = -shared -s -Wl,-soname=linux-gate.so.1 \
- $(call ld-option, -Wl$(comma)--hash-style=sysv)
- SYSCFLAGS_vsyscall-sysenter.so = $(vsyscall-flags)
- SYSCFLAGS_vsyscall-int80.so = $(vsyscall-flags)
- $(obj)/vsyscall-int80.so $(obj)/vsyscall-sysenter.so: \
- $(obj)/vsyscall-%.so: $(src)/vsyscall.lds \
- $(obj)/vsyscall-%.o $(obj)/vsyscall-note.o FORCE
- $(call if_changed,syscall)
- # We also create a special relocatable object that should mirror the symbol
- # table and layout of the linked DSO. With ld -R we can then refer to
- # these symbols in the kernel code rather than hand-coded addresses.
- extra-y += vsyscall-syms.o
- $(obj)/built-in.o: $(obj)/vsyscall-syms.o
- $(obj)/built-in.o: ld_flags += -R $(obj)/vsyscall-syms.o
- SYSCFLAGS_vsyscall-syms.o = -r
- $(obj)/vsyscall-syms.o: $(src)/vsyscall.lds \
- $(obj)/vsyscall-sysenter.o $(obj)/vsyscall-note.o FORCE
- $(call if_changed,syscall)
- k8-y += ../../x86_64/kernel/k8.o
- stacktrace-y += ../../x86_64/kernel/stacktrace.o
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