1 # SPDX-License-Identifier: GPL-2.0
2 #
3 # Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux,intel}.com)
4 #
5
6 # Don't instrument UML-specific code; without this, we may crash when
7 # accessing the instrumentation buffer for the first time from the
8 # kernel.
9 KCOV_INSTRUMENT := n
10
11 CPPFLAGS_vmlinux.lds := -DSTART=$(LDS_START) \
12 -DELF_ARCH=$(LDS_ELF_ARCH) \
13 -DELF_FORMAT=$(LDS_ELF_FORMAT) \
14 $(LDS_EXTRA)
15 extra-y := vmlinux.lds
16
17 obj-y = config.o exec.o exitcode.o irq.o ksyms.o mem.o \
18 physmem.o process.o ptrace.o reboot.o sigio.o \
19 signal.o sysrq.o time.o tlb.o trap.o \
20 um_arch.o umid.o maccess.o kmsg_dump.o capflags.o skas/
21 obj-y += load_file.o
22
23 obj-$(CONFIG_BLK_DEV_INITRD) += initrd.o
24 obj-$(CONFIG_GPROF) += gprof_syms.o
25 obj-$(CONFIG_OF) += dtb.o
26 obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
27 obj-$(CONFIG_STACKTRACE) += stacktrace.o
28 obj-$(CONFIG_GENERIC_PCI_IOMAP) += ioport.o
29
30 USER_OBJS := config.o
31
32 include $(srctree)/arch/um/scripts/Makefile.rules
33
34 targets := config.c config.tmp capflags.c
35
36 # Be careful with the below Sed code - sed is pitfall-rich!
37 # We use sed to lower build requirements, for "embedded" builders for instance.
38
39 $(obj)/config.tmp: $(objtree)/.config FORCE
40 $(call if_changed,quote1)
41
42 quiet_cmd_quote1 = QUOTE $@
43 cmd_quote1 = sed -e 's/"/\\"/g' -e 's/^/"/' -e 's/$$/\\n",/' \
44 $< > $@
45
46 $(obj)/config.c: $(src)/config.c.in $(obj)/config.tmp FORCE
47 $(call if_changed,quote2)
48
49 quiet_cmd_mkcapflags = MKCAP $@
50 cmd_mkcapflags = $(CONFIG_SHELL) $(src)/../../x86/kernel/cpu/mkcapflags.sh $@ $^
51
52 cpufeature = $(src)/../../x86/include/asm/cpufeatures.h
53 vmxfeature = $(src)/../../x86/include/asm/vmxfeatures.h
54
55 $(obj)/capflags.c: $(cpufeature) $(vmxfeature) $(src)/../../x86/kernel/cpu/mkcapflags.sh FORCE
56 $(call if_changed,mkcapflags)
57
58 quiet_cmd_quote2 = QUOTE $@
59 cmd_quote2 = sed -e '/CONFIG/{' \
60 -e 's/"CONFIG"//' \
61 -e 'r $(obj)/config.tmp' \
62 -e 'a \' \
63 -e '""' \
64 -e '}' \
65 $< > $@
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