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# Makefile for kernel
.include <bsd.own.mk>
PROG= kernel
BINDIR= /usr/sbin
MAN=
.if ${MACHINE_ARCH} == "earm" && ${MKLLVM:Uno} == "yes"
# BJG - problems with optimisation of the kernel by llvm
DBG=-O0
.endif
.include "arch/${MACHINE_ARCH}/Makefile.inc"
SRCS+= clock.c cpulocals.c interrupt.c main.c proc.c system.c \
table.c utility.c usermapped_data.c
LDADD+= -ltimers -lsys -lexec
LINKERSCRIPT= ${.CURDIR}/arch/${MACHINE_ARCH}/kernel.lds
.if ${HAVE_GOLD:U} != ""
CFLAGS+= -fno-common
.endif
LDFLAGS+= -T ${LINKERSCRIPT}
LDFLAGS+= -nostdlib -L${DESTDIR}/usr/lib
CFLAGS += -fno-stack-protector
CPPFLAGS+= -D__kernel__
# kernel headers are always called through kernel/*.h
CPPFLAGS+= -I${NETBSDSRCDIR}/minix
# kernel headers are always called through kernel/*.h, this
# time for generated headers, during cross compilation
CPPFLAGS+= -I${.OBJDIR}/..
# Machine-dependent headers, order is important!
CPPFLAGS+= -I${.CURDIR}/arch/${MACHINE_ARCH}
CPPFLAGS+= -I${.CURDIR}/arch/${MACHINE_ARCH}/include
CPPFLAGS+= -I${.CURDIR}/arch/${MACHINE_ARCH}/bsp/include
CPPFLAGS+= -I${NETBSDSRCDIR}/minix/include/arch/${MACHINE_ARCH}/include
.include "system/Makefile.inc"
.if ${MKPAE:Uno} != "no"
CPPFLAGS+= -DPAE=1
.endif
.ifdef CONFIG_SMP
SRCS+= smp.c
.endif
.if ${USE_WATCHDOG} != "no"
SRCS+= watchdog.c
CPPFLAGS+= -DUSE_WATCHDOG=1
.endif
# Extra debugging routines
.if ${USE_SYSDEBUG} != "no"
SRCS+= debug.c
CPPFLAGS+= -DUSE_SYSDEBUG=1
.endif
# These come last, so the profiling buffer is at the end of the data segment
SRCS+= profile.c do_sprofile.c
.if ${USE_LIVEUPDATE} != "no"
CPPFLAGS+= -DUSE_UPDATE=1
.endif
CLEANFILES+=extracted-errno.h extracted-mfield.h extracted-mtype.h procoffsets.h
debug.o debug.d: extracted-errno.h extracted-mfield.h extracted-mtype.h
extracted-errno.h: extract-errno.sh ../../include/errno.h
${_MKTARGET_CREATE}
cd ${.CURDIR} ; ${HOST_SH} extract-errno.sh > ${.OBJDIR}/extracted-errno.h
extracted-mfield.h: extract-mfield.sh ../lib/libc/sys/*.c ../lib/libsys/*.c
${_MKTARGET_CREATE}
cd ${.CURDIR} ; ${HOST_SH} extract-mfield.sh > ${.OBJDIR}/extracted-mfield.h
extracted-mtype.h: extract-mtype.sh ../include/minix/com.h
${_MKTARGET_CREATE}
cd ${.CURDIR} ; ${HOST_SH} extract-mtype.sh > ${.OBJDIR}/extracted-mtype.h
.if ${USE_BITCODE:Uno} == "yes"
# dcvmoole: this is a copy of the "${_P}: ${_P}.bcl.o" block from bsd.prog.mk,
# with two changes: 1) ${OBJS} is added so as to link in objects that have not
# been compiled with bitcode, and 2) we are directly loading the gold plugin
# rather than through ${BITCODE_LD_FLAGS_2ND.kernel}, because LLVMgold will
# not load libLTO when no LTO can be performed (due to the non- bitcode
# objects), causing it to fail on unrecognized -disable-opt/-disable-inlining
# options. At least I think that's what's going on? I'm no expert here..
kernel: kernel.bcl.o
${_MKTARGET_LINK}
${_CCLINK.kernel} \
${_LDFLAGS.kernel} \
-L${DESTDIR}/usr/lib \
${_LDSTATIC.kernel} -o ${.TARGET} \
${.TARGET}.bcl.o ${OBJS} ${_PROGLDOPTS} ${_LDADD.kernel} \
-Wl,-plugin=${GOLD_PLUGIN} \
-Wl,--allow-multiple-definition
.endif
# Disable magic and ASR passes for the kernel.
USE_MAGIC=no
# Disable coverage profiling for the kernel, at least for now.
MKCOVERAGE=no
.include <minix.service.mk>
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