arch/um/kernel/Makefile

   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 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) $(srctree)/$(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                   $< > $@