arch/x86/kernel/Makefile_32

   1 #
   2 # Makefile for the linux kernel.
   3 #
   4
   5 extra-y := head_32.o init_task.o vmlinux.lds
   6 CPPFLAGS_vmlinux.lds += -Ui386
   7
   8 obj-y   := process_32.o signal_32.o entry_32.o traps_32.o irq_32.o \
   9                 ptrace_32.o time_32.o ioport_32.o ldt_32.o setup_32.o i8259_32.o sys_i386_32.o \
  10                 pci-dma_32.o i386_ksyms_32.o i387_32.o bootflag.o e820_32.o\
  11                 quirks.o i8237.o topology.o alternative.o i8253.o tsc_32.o
  12
  13 obj-$(CONFIG_STACKTRACE)        += stacktrace.o
  14 obj-y                           += cpu/
  15 obj-y                           += acpi/
  16 obj-$(CONFIG_X86_BIOS_REBOOT)   += reboot_32.o
  17 obj-$(CONFIG_MCA)               += mca_32.o
  18 obj-$(CONFIG_X86_MSR)           += msr.o
  19 obj-$(CONFIG_X86_CPUID)         += cpuid.o
  20 obj-$(CONFIG_MICROCODE)         += microcode.o
  21 obj-$(CONFIG_PCI)               += early-quirks.o
  22 obj-$(CONFIG_APM)               += apm_32.o
  23 obj-$(CONFIG_X86_SMP)           += smp_32.o smpboot_32.o tsc_sync.o
  24 obj-$(CONFIG_SMP)               += smpcommon_32.o
  25 obj-$(CONFIG_X86_TRAMPOLINE)    += trampoline_32.o
  26 obj-$(CONFIG_X86_MPPARSE)       += mpparse_32.o
  27 obj-$(CONFIG_X86_LOCAL_APIC)    += apic_32.o nmi_32.o
  28 obj-$(CONFIG_X86_IO_APIC)       += io_apic_32.o
  29 obj-$(CONFIG_X86_REBOOTFIXUPS)  += reboot_fixups_32.o
  30 obj-$(CONFIG_KEXEC)             += machine_kexec_32.o relocate_kernel_32.o crash.o
  31 obj-$(CONFIG_CRASH_DUMP)        += crash_dump_32.o
  32 obj-$(CONFIG_X86_NUMAQ)         += numaq_32.o
  33 obj-$(CONFIG_X86_SUMMIT_NUMA)   += summit_32.o
  34 obj-$(CONFIG_KPROBES)           += kprobes_32.o
  35 obj-$(CONFIG_MODULES)           += module_32.o
  36 obj-y                           += sysenter_32.o vsyscall_32.o
  37 obj-$(CONFIG_ACPI_SRAT)         += srat_32.o
  38 obj-$(CONFIG_EFI)               += efi_32.o efi_stub_32.o
  39 obj-$(CONFIG_DOUBLEFAULT)       += doublefault_32.o
  40 obj-$(CONFIG_VM86)              += vm86_32.o
  41 obj-$(CONFIG_EARLY_PRINTK)      += early_printk.o
  42 obj-$(CONFIG_HPET_TIMER)        += hpet.o
  43 obj-$(CONFIG_K8_NB)             += k8.o
  44 obj-$(CONFIG_MGEODE_LX)         += geode_32.o mfgpt_32.o
  45
  46 obj-$(CONFIG_VMI)               += vmi_32.o vmiclock_32.o
  47 obj-$(CONFIG_PARAVIRT)          += paravirt_32.o
  48 obj-y                           += pcspeaker.o
  49
  50 obj-$(CONFIG_SCx200)            += scx200_32.o
  51
  52 # vsyscall_32.o contains the vsyscall DSO images as __initdata.
  53 # We must build both images before we can assemble it.
  54 # Note: kbuild does not track this dependency due to usage of .incbin
  55 $(obj)/vsyscall_32.o: $(obj)/vsyscall-int80_32.so $(obj)/vsyscall-sysenter_32.so
  56 targets += $(foreach F,int80 sysenter,vsyscall-$F_32.o vsyscall-$F_32.so)
  57 targets += vsyscall-note_32.o vsyscall_32.lds
  58
  59 # The DSO images are built using a special linker script.
  60 quiet_cmd_syscall = SYSCALL $@
  61       cmd_syscall = $(CC) -m elf_i386 -nostdlib $(SYSCFLAGS_$(@F)) \
  62                           -Wl,-T,$(filter-out FORCE,$^) -o $@
  63
  64 export CPPFLAGS_vsyscall_32.lds += -P -C -Ui386
  65
  66 vsyscall-flags = -shared -s -Wl,-soname=linux-gate.so.1 \
  67                  $(call ld-option, -Wl$(comma)--hash-style=sysv)
  68 SYSCFLAGS_vsyscall-sysenter_32.so       = $(vsyscall-flags)
  69 SYSCFLAGS_vsyscall-int80_32.so  = $(vsyscall-flags)
  70
  71 $(obj)/vsyscall-int80_32.so $(obj)/vsyscall-sysenter_32.so: \
  72 $(obj)/vsyscall-%.so: $(src)/vsyscall_32.lds \
  73                       $(obj)/vsyscall-%.o $(obj)/vsyscall-note_32.o FORCE
  74         $(call if_changed,syscall)
  75
  76 # We also create a special relocatable object that should mirror the symbol
  77 # table and layout of the linked DSO.  With ld -R we can then refer to
  78 # these symbols in the kernel code rather than hand-coded addresses.
  79 extra-y += vsyscall-syms.o
  80 $(obj)/built-in.o: $(obj)/vsyscall-syms.o
  81 $(obj)/built-in.o: ld_flags += -R $(obj)/vsyscall-syms.o
  82
  83 SYSCFLAGS_vsyscall-syms.o = -r
  84 $(obj)/vsyscall-syms.o: $(src)/vsyscall_32.lds \
  85                         $(obj)/vsyscall-sysenter_32.o $(obj)/vsyscall-note_32.o FORCE
  86         $(call if_changed,syscall)
  87
  88