1# 2# Makefile for the linux kernel. 3# 4 5extra-y := head.o init_task.o vmlinux.lds 6 7obj-y := process.o signal.o entry.o traps.o irq.o \ 8 ptrace.o time.o ioport.o ldt.o setup.o i8259.o sys_i386.o \ 9 pci-dma.o i386_ksyms.o i387.o bootflag.o e820.o\ 10 quirks.o i8237.o topology.o alternative.o i8253.o tsc.o 11 12obj-$(CONFIG_STACKTRACE) += stacktrace.o 13obj-y += cpu/ 14obj-y += acpi/ 15obj-$(CONFIG_X86_BIOS_REBOOT) += reboot.o 16obj-$(CONFIG_MCA) += mca.o 17obj-$(CONFIG_X86_MSR) += msr.o 18obj-$(CONFIG_X86_CPUID) += cpuid.o 19obj-$(CONFIG_MICROCODE) += microcode.o 20obj-$(CONFIG_APM) += apm.o 21obj-$(CONFIG_X86_SMP) += smp.o smpboot.o tsc_sync.o 22obj-$(CONFIG_SMP) += smpcommon.o 23obj-$(CONFIG_X86_TRAMPOLINE) += trampoline.o 24obj-$(CONFIG_X86_MPPARSE) += mpparse.o 25obj-$(CONFIG_X86_LOCAL_APIC) += apic.o nmi.o 26obj-$(CONFIG_X86_IO_APIC) += io_apic.o 27obj-$(CONFIG_X86_REBOOTFIXUPS) += reboot_fixups.o 28obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o crash.o 29obj-$(CONFIG_CRASH_DUMP) += crash_dump.o 30obj-$(CONFIG_X86_NUMAQ) += numaq.o 31obj-$(CONFIG_X86_SUMMIT_NUMA) += summit.o 32obj-$(CONFIG_KPROBES) += kprobes.o 33obj-$(CONFIG_MODULES) += module.o 34obj-y += sysenter.o vsyscall.o 35obj-$(CONFIG_ACPI_SRAT) += srat.o 36obj-$(CONFIG_EFI) += efi.o efi_stub.o 37obj-$(CONFIG_DOUBLEFAULT) += doublefault.o 38obj-$(CONFIG_SERIAL_8250) += legacy_serial.o 39obj-$(CONFIG_VM86) += vm86.o 40obj-$(CONFIG_EARLY_PRINTK) += early_printk.o 41obj-$(CONFIG_HPET_TIMER) += hpet.o 42obj-$(CONFIG_K8_NB) += k8.o 43 44obj-$(CONFIG_VMI) += vmi.o vmiclock.o 45obj-$(CONFIG_PARAVIRT) += paravirt.o 46obj-y += pcspeaker.o 47 48obj-$(CONFIG_SCx200) += scx200.o 49 50# vsyscall.o contains the vsyscall DSO images as __initdata. 51# We must build both images before we can assemble it. 52# Note: kbuild does not track this dependency due to usage of .incbin 53$(obj)/vsyscall.o: $(obj)/vsyscall-int80.so $(obj)/vsyscall-sysenter.so 54targets += $(foreach F,int80 sysenter,vsyscall-$F.o vsyscall-$F.so) 55targets += vsyscall-note.o vsyscall.lds 56 57# The DSO images are built using a special linker script. 58quiet_cmd_syscall = SYSCALL $@ 59 cmd_syscall = $(CC) -m elf_i386 -nostdlib $(SYSCFLAGS_$(@F)) \ 60 -Wl,-T,$(filter-out FORCE,$^) -o $@ 61 62export CPPFLAGS_vsyscall.lds += -P -C -U$(ARCH) 63 64vsyscall-flags = -shared -s -Wl,-soname=linux-gate.so.1 \ 65 $(call ld-option, -Wl$(comma)--hash-style=sysv) 66SYSCFLAGS_vsyscall-sysenter.so = $(vsyscall-flags) 67SYSCFLAGS_vsyscall-int80.so = $(vsyscall-flags) 68 69$(obj)/vsyscall-int80.so $(obj)/vsyscall-sysenter.so: \ 70$(obj)/vsyscall-%.so: $(src)/vsyscall.lds \ 71 $(obj)/vsyscall-%.o $(obj)/vsyscall-note.o FORCE 72 $(call if_changed,syscall) 73 74# We also create a special relocatable object that should mirror the symbol 75# table and layout of the linked DSO. With ld -R we can then refer to 76# these symbols in the kernel code rather than hand-coded addresses. 77extra-y += vsyscall-syms.o 78$(obj)/built-in.o: $(obj)/vsyscall-syms.o 79$(obj)/built-in.o: ld_flags += -R $(obj)/vsyscall-syms.o 80 81SYSCFLAGS_vsyscall-syms.o = -r 82$(obj)/vsyscall-syms.o: $(src)/vsyscall.lds \ 83 $(obj)/vsyscall-sysenter.o $(obj)/vsyscall-note.o FORCE 84 $(call if_changed,syscall) 85 86k8-y += ../../x86_64/kernel/k8.o 87stacktrace-y += ../../x86_64/kernel/stacktrace.o 88