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.
9KCOV_INSTRUMENT                := n
10
11CPPFLAGS_vmlinux.lds := -DSTART=$(LDS_START)		\
12                        -DELF_ARCH=$(LDS_ELF_ARCH)	\
13                        -DELF_FORMAT=$(LDS_ELF_FORMAT)	\
14			$(LDS_EXTRA)
15extra-y := vmlinux.lds
16
17obj-y = config.o exec.o exitcode.o irq.o ksyms.o mem.o \
18	physmem.o process.o ptrace.o reboot.o sigio.o \
19	signal.o sysrq.o time.o tlb.o trap.o \
20	um_arch.o umid.o maccess.o kmsg_dump.o capflags.o skas/
21obj-y += load_file.o
22
23obj-$(CONFIG_BLK_DEV_INITRD) += initrd.o
24obj-$(CONFIG_GPROF)	+= gprof_syms.o
25obj-$(CONFIG_OF) += dtb.o
26obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
27obj-$(CONFIG_STACKTRACE) += stacktrace.o
28obj-$(CONFIG_GENERIC_PCI_IOMAP) += ioport.o
29
30USER_OBJS := config.o
31
32include $(srctree)/arch/um/scripts/Makefile.rules
33
34targets := config.c config.tmp capflags.c
35
36# Be careful with the below Sed code - sed is pitfall-rich!
37# We use sed to lower build requirements, for "embedded" builders for instance.
38
39$(obj)/config.tmp: $(objtree)/.config FORCE
40	$(call if_changed,quote1)
41
42quiet_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
49quiet_cmd_mkcapflags = MKCAP   $@
50      cmd_mkcapflags = $(CONFIG_SHELL) $(srctree)/$(src)/../../x86/kernel/cpu/mkcapflags.sh $@ $^
51
52cpufeature = $(src)/../../x86/include/asm/cpufeatures.h
53vmxfeature = $(src)/../../x86/include/asm/vmxfeatures.h
54
55$(obj)/capflags.c: $(cpufeature) $(vmxfeature) $(src)/../../x86/kernel/cpu/mkcapflags.sh FORCE
56	$(call if_changed,mkcapflags)
57
58quiet_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		  $< > $@
66