minix/kernel/Makefile

   1 # Makefile for kernel
   2 .include <bsd.own.mk>
   3
   4 PROG=           kernel
   5 BINDIR=         /usr/sbin
   6 MAN=
   7
   8 .if ${MACHINE_ARCH} == "earm" && ${MKLLVM:Uno} == "yes"
   9 # BJG - problems with optimisation of the kernel by llvm
  10 DBG=-O0
  11 .endif
  12
  13 .include "arch/${MACHINE_ARCH}/Makefile.inc"
  14
  15 SRCS+=  clock.c cpulocals.c interrupt.c main.c proc.c system.c \
  16         table.c utility.c usermapped_data.c
  17
  18 LDADD+= -ltimers -lsys -lexec
  19
  20 LINKERSCRIPT= ${.CURDIR}/arch/${MACHINE_ARCH}/kernel.lds
  21
  22 .if ${HAVE_GOLD:U} != ""
  23 CFLAGS+= -fno-common
  24 .endif
  25 LDFLAGS+= -T ${LINKERSCRIPT}
  26 LDFLAGS+= -nostdlib -L${DESTDIR}/usr/lib
  27 CFLAGS += -fno-stack-protector
  28
  29 CPPFLAGS+= -D__kernel__
  30
  31 # kernel headers are always called through kernel/*.h
  32 CPPFLAGS+= -I${NETBSDSRCDIR}/minix
  33
  34 # kernel headers are always called through kernel/*.h, this
  35 # time for generated headers, during cross compilation
  36 CPPFLAGS+= -I${.OBJDIR}/..
  37
  38 # Machine-dependent headers, order is important!
  39 CPPFLAGS+= -I${.CURDIR}/arch/${MACHINE_ARCH}
  40 CPPFLAGS+= -I${.CURDIR}/arch/${MACHINE_ARCH}/include
  41 CPPFLAGS+= -I${.CURDIR}/arch/${MACHINE_ARCH}/bsp/include
  42 CPPFLAGS+= -I${NETBSDSRCDIR}/minix/include/arch/${MACHINE_ARCH}/include
  43
  44 .include "system/Makefile.inc"
  45
  46 .if ${MKPAE:Uno} != "no"
  47 CPPFLAGS+= -DPAE=1
  48 .endif
  49
  50 .ifdef CONFIG_SMP
  51 SRCS+= smp.c
  52 .endif
  53
  54 .if ${USE_WATCHDOG} != "no"
  55 SRCS+= watchdog.c
  56 CPPFLAGS+= -DUSE_WATCHDOG=1
  57 .endif
  58
  59 # Extra debugging routines
  60 .if ${USE_SYSDEBUG} != "no"
  61 SRCS+=  debug.c
  62 CPPFLAGS+= -DUSE_SYSDEBUG=1
  63 .endif
  64
  65 # These come last, so the profiling buffer is at the end of the data segment
  66 SRCS+= profile.c do_sprofile.c
  67
  68 .if ${USE_LIVEUPDATE} != "no"
  69 CPPFLAGS+= -DUSE_UPDATE=1
  70 .endif
  71
  72 CLEANFILES+=extracted-errno.h extracted-mfield.h extracted-mtype.h procoffsets.h
  73
  74 debug.o debug.d: extracted-errno.h extracted-mfield.h extracted-mtype.h
  75
  76 extracted-errno.h: extract-errno.sh ../../include/errno.h
  77         ${_MKTARGET_CREATE}
  78         cd ${.CURDIR} ; ${HOST_SH} extract-errno.sh > ${.OBJDIR}/extracted-errno.h
  79
  80 extracted-mfield.h: extract-mfield.sh ../lib/libc/sys/*.c ../lib/libsys/*.c
  81         ${_MKTARGET_CREATE}
  82         cd ${.CURDIR} ; ${HOST_SH} extract-mfield.sh > ${.OBJDIR}/extracted-mfield.h
  83
  84 extracted-mtype.h: extract-mtype.sh ../include/minix/com.h
  85         ${_MKTARGET_CREATE}
  86         cd ${.CURDIR} ; ${HOST_SH} extract-mtype.sh > ${.OBJDIR}/extracted-mtype.h
  87
  88 .if ${USE_BITCODE:Uno} == "yes"
  89 # dcvmoole: this is a copy of the "${_P}: ${_P}.bcl.o" block from bsd.prog.mk,
  90 # with two changes: 1) ${OBJS} is added so as to link in objects that have not
  91 # been compiled with bitcode, and 2) we are directly loading the gold plugin
  92 # rather than through ${BITCODE_LD_FLAGS_2ND.kernel}, because LLVMgold will
  93 # not load libLTO when no LTO can be performed (due to the non- bitcode
  94 # objects), causing it to fail on unrecognized -disable-opt/-disable-inlining
  95 # options.  At least I think that's what's going on?  I'm no expert here..
  96 kernel: kernel.bcl.o
  97         ${_MKTARGET_LINK}
  98         ${_CCLINK.kernel} \
  99                 ${_LDFLAGS.kernel} \
 100                 -L${DESTDIR}/usr/lib \
 101                 ${_LDSTATIC.kernel} -o ${.TARGET} \
 102                 ${.TARGET}.bcl.o ${OBJS} ${_PROGLDOPTS} ${_LDADD.kernel} \
 103                 -Wl,-plugin=${GOLD_PLUGIN} \
 104                 -Wl,--allow-multiple-definition
 105 .endif
 106
 107 # Disable magic and ASR passes for the kernel.
 108 USE_MAGIC=no
 109
 110 # Disable coverage profiling for the kernel, at least for now.
 111 MKCOVERAGE=no
 112
 113 .include <minix.service.mk>