2 # Makefile for the linux kernel.
5 extra-y
:= head.o init_task_32.o vmlinux.lds
7 obj-y
:= process_32.o signal_32.o entry.o traps_32.o irq_32.o \
8 ptrace_32.o time_32.o ioport_32.o ldt_32.o setup_32.o i8259_32.o sys_i386_32.o \
9 pci-dma_32.o i386_ksyms_32.o i387_32.o bootflag.o e820_32.o\
10 quirks.o i8237.o topology.o alternative.o i8253_32.o tsc.o
12 obj-
$(CONFIG_STACKTRACE
) += stacktrace.o
15 obj-
$(CONFIG_X86_BIOS_REBOOT
) += reboot_32.o
16 obj-
$(CONFIG_MCA
) += mca_32.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_32.o
21 obj-
$(CONFIG_X86_SMP
) += smp_32.o smpboot_32.o tsc_sync.o
22 obj-
$(CONFIG_SMP
) += smpcommon_32.o
23 obj-
$(CONFIG_X86_TRAMPOLINE
) += trampoline_32.o
24 obj-
$(CONFIG_X86_MPPARSE
) += mpparse_32.o
25 obj-
$(CONFIG_X86_LOCAL_APIC
) += apic_32.o nmi_32.o
26 obj-
$(CONFIG_X86_IO_APIC
) += io_apic_32.o
27 obj-
$(CONFIG_X86_REBOOTFIXUPS
) += reboot_fixups_32.o
28 obj-
$(CONFIG_KEXEC
) += machine_kexec.o relocate_kernel_32.o crash_32.o
29 obj-
$(CONFIG_CRASH_DUMP
) += crash_dump_32.o
30 obj-
$(CONFIG_X86_NUMAQ
) += numaq_32.o
31 obj-
$(CONFIG_X86_SUMMIT_NUMA
) += summit_32.o
32 obj-
$(CONFIG_KPROBES
) += kprobes_32.o
33 obj-
$(CONFIG_MODULES
) += module_32.o
34 obj-y
+= sysenter_32.o vsyscall_32.o
35 obj-
$(CONFIG_ACPI_SRAT
) += srat_32.o
36 obj-
$(CONFIG_EFI
) += efi_32.o efi_stub_32.o
37 obj-
$(CONFIG_DOUBLEFAULT
) += doublefault_32.o
38 obj-
$(CONFIG_VM86
) += vm86_32.o
39 obj-
$(CONFIG_EARLY_PRINTK
) += early_printk.o
40 obj-
$(CONFIG_HPET_TIMER
) += hpet_32.o
41 obj-
$(CONFIG_K8_NB
) += k8.o
42 obj-
$(CONFIG_MGEODE_LX
) += geode_32.o
44 obj-
$(CONFIG_VMI
) += vmi_32.o vmiclock_32.o
45 obj-
$(CONFIG_PARAVIRT
) += paravirt_32.o
48 obj-
$(CONFIG_SCx200
) += scx200_32.o
50 # vsyscall_32.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_32.o
: $(obj
)/vsyscall-int80_32.so
$(obj
)/vsyscall-sysenter_32.so
54 targets
+= $(foreach F
,int80 sysenter
,vsyscall-
$F.o vsyscall-
$F.so
)
55 targets
+= vsyscall-note.o vsyscall_32.lds
57 # The DSO images are built using a special linker script.
58 quiet_cmd_syscall
= SYSCALL
$@
59 cmd_syscall
= $(CC
) -m elf_i386
-nostdlib
$(SYSCFLAGS_
$(@F
)) \
60 -Wl
,-T
,$(filter-out FORCE
,$^
) -o
$@
62 export CPPFLAGS_vsyscall_32.lds
+= -P
-C
-U
$(ARCH
)
64 vsyscall-flags
= -shared
-s
-Wl
,-soname
=linux-gate.so
.1 \
65 $(call ld-option
, -Wl
$(comma
)--hash-style
=sysv
)
66 SYSCFLAGS_vsyscall-sysenter_32.so
= $(vsyscall-flags
)
67 SYSCFLAGS_vsyscall-int80_32.so
= $(vsyscall-flags
)
69 $(obj
)/vsyscall-int80_32.so
$(obj
)/vsyscall-sysenter_32.so
: \
70 $(obj
)/vsyscall-
%.so
: $(src
)/vsyscall_32.lds \
71 $(obj
)/vsyscall-
%.o
$(obj
)/vsyscall-note.o FORCE
72 $(call if_changed
,syscall
)
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.
77 extra-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
81 SYSCFLAGS_vsyscall-syms.o
= -r
82 $(obj
)/vsyscall-syms.o
: $(src
)/vsyscall_32.lds \
83 $(obj
)/vsyscall-sysenter_32.o
$(obj
)/vsyscall-note.o FORCE
84 $(call if_changed
,syscall
)
86 k8-y
+= ..
/..
/x86_64
/kernel
/k8.o
87 stacktrace-y
+= ..
/..
/x86_64
/kernel
/stacktrace.o