1 # SPDX-License-Identifier: GPL-2.0 !! 1 # $Id: Makefile,v 1.62 2000/12/15 00:41:17 davem Exp $
>> 2 # Makefile for the linux kernel.
2 # 3 #
3 # Copyright (C) 2002 - 2007 Jeff Dike (jdike@{ !! 4 # Note! Dependencies are done automagically by 'make dep', which also
>> 5 # removes any old dependencies. DON'T put your own dependencies here
>> 6 # unless it's something special (ie not a .c file).
4 # 7 #
>> 8 # Note 2! The CFLAGS definitions are now in the main makefile...
5 9
6 # Don't instrument UML-specific code; without !! 10 SH = $(CONFIG_SHELL)
7 # accessing the instrumentation buffer for the !! 11
8 # kernel. !! 12 .S.s:
9 KCOV_INSTRUMENT := n !! 13 $(CPP) $(AFLAGS) -ansi $< -o $*.s
10 !! 14
11 CPPFLAGS_vmlinux.lds := -DSTART=$(LDS_START) !! 15 .S.o:
12 -DELF_ARCH=$(LDS_ELF_A !! 16 $(CC) $(AFLAGS) -ansi -c $< -o $*.o
13 -DELF_FORMAT=$(LDS_ELF !! 17
14 $(LDS_EXTRA) !! 18 all: kernel.o head.o init_task.o
15 extra-y := vmlinux.lds !! 19
16 !! 20 O_TARGET := kernel.o
17 obj-y = config.o exec.o exitcode.o irq.o ksyms !! 21
18 physmem.o process.o ptrace.o reboot.o !! 22 export-objs := sparc_ksyms.o
19 signal.o sysrq.o time.o tlb.o trap.o \ !! 23 IRQ_OBJS := irq.o sun4m_irq.o sun4c_irq.o sun4d_irq.o
20 um_arch.o umid.o maccess.o kmsg_dump.o !! 24 obj-y := entry.o wof.o wuf.o etrap.o rtrap.o traps.o ${IRQ_OBJS} \
21 obj-y += load_file.o !! 25 process.o signal.o ioport.o setup.o idprom.o \
22 !! 26 sys_sparc.o sunos_asm.o sparc-stub.o systbls.o \
23 obj-$(CONFIG_BLK_DEV_INITRD) += initrd.o !! 27 time.o windows.o cpu.o devices.o sclow.o \
24 obj-$(CONFIG_GPROF) += gprof_syms.o !! 28 tadpole.o tick14.o ptrace.o sys_solaris.o \
25 obj-$(CONFIG_OF) += dtb.o !! 29 unaligned.o muldiv.o pcic.o semaphore.o sparc_ksyms.o
26 obj-$(CONFIG_EARLY_PRINTK) += early_printk.o !! 30
27 obj-$(CONFIG_STACKTRACE) += stacktrace.o !! 31 obj-$(CONFIG_SUN4) += sun4setup.o
28 obj-$(CONFIG_GENERIC_PCI_IOMAP) += ioport.o !! 32 obj-$(CONFIG_SMP) += trampoline.o smp.o sun4m_smp.o sun4d_smp.o
29 !! 33 obj-$(CONFIG_SUN_AUXIO) += auxio.o
30 USER_OBJS := config.o !! 34 obj-$(CONFIG_PCI) += ebus.o
31 !! 35 obj-$(CONFIG_SUN_PM) += apc.o pmc.o
32 include $(srctree)/arch/um/scripts/Makefile.ru !! 36
33 !! 37 ifdef CONFIG_SUNOS_EMUL
34 targets := config.c config.tmp capflags.c !! 38 obj-y += sys_sunos.o sunos_ioctl.o
35 !! 39 endif
36 # Be careful with the below Sed code - sed is !! 40
37 # We use sed to lower build requirements, for !! 41 head.o: head.S
38 !! 42 $(CC) $(AFLAGS) -ansi -c $*.S -o $*.o
39 $(obj)/config.tmp: $(objtree)/.config FORCE !! 43
40 $(call if_changed,quote1) !! 44 check_asm: dummy
41 !! 45 @if [ ! -r $(HPATH)/asm/asm_offsets.h ] ; then \
42 quiet_cmd_quote1 = QUOTE $@ !! 46 touch $(HPATH)/asm/asm_offsets.h ; \
43 cmd_quote1 = sed -e 's/"/\\"/g' -e 's/^/ !! 47 fi
44 $< > $@ !! 48 @echo "/* Automatically generated. Do not edit. */" > asm_offsets.h
45 !! 49 @echo "#ifndef __ASM_OFFSETS_H__" >> asm_offsets.h
46 $(obj)/config.c: $(src)/config.c.in $(obj)/con !! 50 @echo "#define __ASM_OFFSETS_H__" >> asm_offsets.h
47 $(call if_changed,quote2) !! 51 @echo "" >> asm_offsets.h
48 !! 52 @echo "#include <linux/config.h>" >> asm_offsets.h
49 quiet_cmd_mkcapflags = MKCAP $@ !! 53 @echo "" >> asm_offsets.h
50 cmd_mkcapflags = $(CONFIG_SHELL) $(src)/ !! 54 @echo "#include <linux/config.h>" > tmp.c
51 !! 55 @echo "#include <linux/sched.h>" >> tmp.c
52 cpufeature = $(src)/../../x86/include/asm/cpuf !! 56 $(CPP) $(CPPFLAGS) tmp.c -o tmp.i
53 vmxfeature = $(src)/../../x86/include/asm/vmxf !! 57 @echo "/* Automatically generated. Do not edit. */" > check_asm_data.c
54 !! 58 @echo "#include <linux/config.h>" >> check_asm_data.c
55 $(obj)/capflags.c: $(cpufeature) $(vmxfeature) !! 59 @echo "#include <linux/sched.h>" >> check_asm_data.c
56 $(call if_changed,mkcapflags) !! 60 @echo "unsigned int check_asm_data[] = {" >> check_asm_data.c
57 !! 61 $(SH) ./check_asm.sh -data task tmp.i check_asm_data.c
58 quiet_cmd_quote2 = QUOTE $@ !! 62 $(SH) ./check_asm.sh -data mm tmp.i check_asm_data.c
59 cmd_quote2 = sed -e '/CONFIG/{' !! 63 $(SH) ./check_asm.sh -data thread tmp.i check_asm_data.c
60 -e 's/"CONFIG"//' !! 64 @echo '};' >> check_asm_data.c
61 -e 'r $(obj)/config.tmp' !! 65 $(CC) $(CFLAGS) -S -o check_asm_data.s check_asm_data.c
62 -e 'a \' !! 66 @echo "/* Automatically generated. Do not edit. */" > check_asm.c
63 -e '""' !! 67 @echo 'extern int printf(const char *fmt, ...);' >>check_asm.c
64 -e '}' !! 68 @echo "unsigned int check_asm_data[] = {" >> check_asm.c
65 $< > $@ !! 69 $(SH) ./check_asm.sh -ints check_asm_data.s check_asm.c
>> 70 @echo "};" >> check_asm.c
>> 71 @echo 'int main(void) {' >> check_asm.c
>> 72 @echo 'int i = 0;' >> check_asm.c
>> 73 $(SH) ./check_asm.sh -printf task tmp.i check_asm.c
>> 74 $(SH) ./check_asm.sh -printf mm tmp.i check_asm.c
>> 75 $(SH) ./check_asm.sh -printf thread tmp.i check_asm.c
>> 76 @echo 'return 0; }' >> check_asm.c
>> 77 @rm -f tmp.[ci] check_asm_data.[cs]
>> 78 $(HOSTCC) -o check_asm check_asm.c
>> 79 ./check_asm >> asm_offsets.h
>> 80 @rm -f check_asm check_asm.c
>> 81 @echo "" >> asm_offsets.h
>> 82 @echo "#endif /* __ASM_OFFSETS_H__ */" >> asm_offsets.h
>> 83 @if test -r $(HPATH)/asm/asm_offsets.h; then \
>> 84 if cmp -s asm_offsets.h $(HPATH)/asm/asm_offsets.h; then \
>> 85 echo $(HPATH)/asm/asm_offsets.h is unchanged; \
>> 86 rm -f asm_offsets.h; \
>> 87 else \
>> 88 mv -f asm_offsets.h $(HPATH)/asm/asm_offsets.h; \
>> 89 fi; \
>> 90 else \
>> 91 mv -f asm_offsets.h $(HPATH)/asm/asm_offsets.h; \
>> 92 fi
>> 93
>> 94
>> 95 include $(TOPDIR)/Rules.make
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