Commit | Line | Data |
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1da177e4 LT |
1 | # |
2 | # Makefile for the linux kernel. | |
3 | # | |
4 | ||
5 | extra-y := head.o init_task.o vmlinux.lds | |
6 | ||
7 | obj-y := process.o semaphore.o signal.o entry.o traps.o irq.o vm86.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 dmi_scan.o bootflag.o \ | |
10 | doublefault.o quirks.o | |
11 | ||
12 | obj-y += cpu/ | |
13 | obj-y += timers/ | |
14 | obj-$(CONFIG_ACPI_BOOT) += acpi/ | |
15 | obj-$(CONFIG_X86_BIOS_REBOOT) += reboot.o | |
16 | obj-$(CONFIG_MCA) += mca.o | |
17 | obj-$(CONFIG_X86_MSR) += msr.o | |
18 | obj-$(CONFIG_X86_CPUID) += cpuid.o | |
19 | obj-$(CONFIG_MICROCODE) += microcode.o | |
20 | obj-$(CONFIG_APM) += apm.o | |
21 | obj-$(CONFIG_X86_SMP) += smp.o smpboot.o | |
22 | obj-$(CONFIG_X86_TRAMPOLINE) += trampoline.o | |
23 | obj-$(CONFIG_X86_MPPARSE) += mpparse.o | |
24 | obj-$(CONFIG_X86_LOCAL_APIC) += apic.o nmi.o | |
25 | obj-$(CONFIG_X86_IO_APIC) += io_apic.o | |
a2f7c354 | 26 | obj-$(CONFIG_X86_REBOOTFIXUPS) += reboot_fixups.o |
5033cba0 | 27 | obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o crash.o |
1da177e4 LT |
28 | obj-$(CONFIG_X86_NUMAQ) += numaq.o |
29 | obj-$(CONFIG_X86_SUMMIT_NUMA) += summit.o | |
30 | obj-$(CONFIG_KPROBES) += kprobes.o | |
31 | obj-$(CONFIG_MODULES) += module.o | |
32 | obj-y += sysenter.o vsyscall.o | |
33 | obj-$(CONFIG_ACPI_SRAT) += srat.o | |
34 | obj-$(CONFIG_HPET_TIMER) += time_hpet.o | |
35 | obj-$(CONFIG_EFI) += efi.o efi_stub.o | |
36 | obj-$(CONFIG_EARLY_PRINTK) += early_printk.o | |
37 | ||
38 | EXTRA_AFLAGS := -traditional | |
39 | ||
40 | obj-$(CONFIG_SCx200) += scx200.o | |
41 | ||
42 | # vsyscall.o contains the vsyscall DSO images as __initdata. | |
43 | # We must build both images before we can assemble it. | |
44 | # Note: kbuild does not track this dependency due to usage of .incbin | |
45 | $(obj)/vsyscall.o: $(obj)/vsyscall-int80.so $(obj)/vsyscall-sysenter.so | |
46 | targets += $(foreach F,int80 sysenter,vsyscall-$F.o vsyscall-$F.so) | |
5754c9b6 | 47 | targets += vsyscall-note.o vsyscall.lds |
1da177e4 LT |
48 | |
49 | # The DSO images are built using a special linker script. | |
50 | quiet_cmd_syscall = SYSCALL $@ | |
51 | cmd_syscall = $(CC) -m elf_i386 -nostdlib $(SYSCFLAGS_$(@F)) \ | |
52 | -Wl,-T,$(filter-out FORCE,$^) -o $@ | |
53 | ||
54 | export CPPFLAGS_vsyscall.lds += -P -C -U$(ARCH) | |
55 | ||
56 | vsyscall-flags = -shared -s -Wl,-soname=linux-gate.so.1 | |
57 | SYSCFLAGS_vsyscall-sysenter.so = $(vsyscall-flags) | |
58 | SYSCFLAGS_vsyscall-int80.so = $(vsyscall-flags) | |
59 | ||
60 | $(obj)/vsyscall-int80.so $(obj)/vsyscall-sysenter.so: \ | |
c97db4a0 RM |
61 | $(obj)/vsyscall-%.so: $(src)/vsyscall.lds \ |
62 | $(obj)/vsyscall-%.o $(obj)/vsyscall-note.o FORCE | |
1da177e4 LT |
63 | $(call if_changed,syscall) |
64 | ||
65 | # We also create a special relocatable object that should mirror the symbol | |
66 | # table and layout of the linked DSO. With ld -R we can then refer to | |
67 | # these symbols in the kernel code rather than hand-coded addresses. | |
68 | extra-y += vsyscall-syms.o | |
69 | $(obj)/built-in.o: $(obj)/vsyscall-syms.o | |
70 | $(obj)/built-in.o: ld_flags += -R $(obj)/vsyscall-syms.o | |
71 | ||
72 | SYSCFLAGS_vsyscall-syms.o = -r | |
c97db4a0 RM |
73 | $(obj)/vsyscall-syms.o: $(src)/vsyscall.lds \ |
74 | $(obj)/vsyscall-sysenter.o $(obj)/vsyscall-note.o FORCE | |
1da177e4 | 75 | $(call if_changed,syscall) |