Makefile 2.7 KB

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  1. #
  2. # Makefile for the linux kernel.
  3. #
  4. extra-y := head.o init_task.o vmlinux.lds
  5. obj-y := process.o semaphore.o signal.o entry.o traps.o irq.o vm86.o \
  6. ptrace.o time.o ioport.o ldt.o setup.o i8259.o sys_i386.o \
  7. pci-dma.o i386_ksyms.o i387.o dmi_scan.o bootflag.o \
  8. doublefault.o quirks.o i8237.o
  9. obj-y += cpu/
  10. obj-y += timers/
  11. obj-$(CONFIG_ACPI) += acpi/
  12. obj-$(CONFIG_X86_BIOS_REBOOT) += reboot.o
  13. obj-$(CONFIG_MCA) += mca.o
  14. obj-$(CONFIG_X86_MSR) += msr.o
  15. obj-$(CONFIG_X86_CPUID) += cpuid.o
  16. obj-$(CONFIG_MICROCODE) += microcode.o
  17. obj-$(CONFIG_APM) += apm.o
  18. obj-$(CONFIG_X86_SMP) += smp.o smpboot.o
  19. obj-$(CONFIG_X86_TRAMPOLINE) += trampoline.o
  20. obj-$(CONFIG_X86_MPPARSE) += mpparse.o
  21. obj-$(CONFIG_X86_LOCAL_APIC) += apic.o nmi.o
  22. obj-$(CONFIG_X86_IO_APIC) += io_apic.o
  23. obj-$(CONFIG_X86_REBOOTFIXUPS) += reboot_fixups.o
  24. obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o crash.o
  25. obj-$(CONFIG_X86_NUMAQ) += numaq.o
  26. obj-$(CONFIG_X86_SUMMIT_NUMA) += summit.o
  27. obj-$(CONFIG_KPROBES) += kprobes.o
  28. obj-$(CONFIG_MODULES) += module.o
  29. obj-y += sysenter.o vsyscall.o
  30. obj-$(CONFIG_ACPI_SRAT) += srat.o
  31. obj-$(CONFIG_HPET_TIMER) += time_hpet.o
  32. obj-$(CONFIG_EFI) += efi.o efi_stub.o
  33. obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
  34. EXTRA_AFLAGS := -traditional
  35. obj-$(CONFIG_SCx200) += scx200.o
  36. # vsyscall.o contains the vsyscall DSO images as __initdata.
  37. # We must build both images before we can assemble it.
  38. # Note: kbuild does not track this dependency due to usage of .incbin
  39. $(obj)/vsyscall.o: $(obj)/vsyscall-int80.so $(obj)/vsyscall-sysenter.so
  40. targets += $(foreach F,int80 sysenter,vsyscall-$F.o vsyscall-$F.so)
  41. targets += vsyscall-note.o vsyscall.lds
  42. # The DSO images are built using a special linker script.
  43. quiet_cmd_syscall = SYSCALL $@
  44. cmd_syscall = $(CC) -m elf_i386 -nostdlib $(SYSCFLAGS_$(@F)) \
  45. -Wl,-T,$(filter-out FORCE,$^) -o $@
  46. export CPPFLAGS_vsyscall.lds += -P -C -U$(ARCH)
  47. vsyscall-flags = -shared -s -Wl,-soname=linux-gate.so.1
  48. SYSCFLAGS_vsyscall-sysenter.so = $(vsyscall-flags)
  49. SYSCFLAGS_vsyscall-int80.so = $(vsyscall-flags)
  50. $(obj)/vsyscall-int80.so $(obj)/vsyscall-sysenter.so: \
  51. $(obj)/vsyscall-%.so: $(src)/vsyscall.lds \
  52. $(obj)/vsyscall-%.o $(obj)/vsyscall-note.o FORCE
  53. $(call if_changed,syscall)
  54. # We also create a special relocatable object that should mirror the symbol
  55. # table and layout of the linked DSO. With ld -R we can then refer to
  56. # these symbols in the kernel code rather than hand-coded addresses.
  57. extra-y += vsyscall-syms.o
  58. $(obj)/built-in.o: $(obj)/vsyscall-syms.o
  59. $(obj)/built-in.o: ld_flags += -R $(obj)/vsyscall-syms.o
  60. SYSCFLAGS_vsyscall-syms.o = -r
  61. $(obj)/vsyscall-syms.o: $(src)/vsyscall.lds \
  62. $(obj)/vsyscall-sysenter.o $(obj)/vsyscall-note.o FORCE
  63. $(call if_changed,syscall)