This are the build infrastructure changes to allow to use the
Intel C/C++ compiler (lang/icc) to build the kernel. The icc CPUTYPE CFLAGS use icc v7 syntax, icc v8 moans about them, but doesn't abort. They also produce CPU specific code (new instructions of the CPU, not only CPU specific scheduling), so if you get coredumps with signal 4 (SIGILL, illegal instruction) you've used the wrong CPUTYPE. Incarnations of this patch survive gcc compiles and my make universe. I use it on my desktop. To use it update share/mk, add /usr/local/intel/compiler70/ia32/bin (icc v7, works) or /usr/local/intel_cc_80/bin (icc v8, doesn't work) to your PATH, make sure you have a new kernel compile directory (e.g. MYKERNEL_icc) and run CFLAGS="-O2 -ip" CC=icc make depend CFLAGS="-O2 -ip" CC=icc make in it. Don't compile with -ipo, the build infrastructure uses ld directly to link the kernel and the modules, but -ipo needs the link step to be performed with Intel's linker. Problems with icc v8: - panic: npx0 cannot be emulated on an SMP system - UP: first start of /bin/sh results in a FP exception Parts of this commit contains suggestions or submissions from Marius Strobl <marius@alchemy.franken.de>. Reviewed by: silence on -arch Submitted by: netchild
This commit is contained in:
Tom Rhodes
parent
7700eb86e7
commit
06d6e4fcfe
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=126890
@ -44,26 +44,38 @@ CPUTYPE = athlon
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. if ${MACHINE_ARCH} == "i386"
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. if ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
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${CPUTYPE} == "athlon-4" || ${CPUTYPE} == "athlon-tbird" || \
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${CPUTYPE} == "athlon"
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${CPUTYPE} == "athlon-4" || ${CPUTYPE} == "athlon-tbird"
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_ICC_CPUCFLAGS = -tpp6 -xiMK
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_CPUCFLAGS = -march=${CPUTYPE}
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. elif ${CPUTYPE} == "athlon-tbird" || ${CPUTYPE} == "athlon"
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_CPUCFLAGS = -march=${CPUTYPE}
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_ICC_CPUCFLAGS = -tpp6 -xiM
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. elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "k6"
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_CPUCFLAGS = -march=${CPUTYPE}
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_ICC_CPUCFLAGS = -tpp6 -xi
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. elif ${CPUTYPE} == "k5"
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_ICC_CPUCFLAGS = -tpp5
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_CPUCFLAGS = -march=pentium
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. elif ${CPUTYPE} == "p4"
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_ICC_CPUCFLAGS = -tpp7 -xiMKW
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_CPUCFLAGS = -march=pentium4
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. elif ${CPUTYPE} == "p3"
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_ICC_CPUCFLAGS = -tpp6 -xiMK
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_CPUCFLAGS = -march=pentium3
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. elif ${CPUTYPE} == "p2"
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_ICC_CPUCFLAGS = -tpp6 -xiM
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_CPUCFLAGS = -march=pentium2
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. elif ${CPUTYPE} == "i686"
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_ICC_CPUCFLAGS = -tpp6 -xiM
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_CPUCFLAGS = -march=pentiumpro
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. elif ${CPUTYPE} == "i586/mmx"
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_ICC_CPUCFLAGS = -tpp5 -xM
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_CPUCFLAGS = -march=pentium-mmx
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. elif ${CPUTYPE} == "i586"
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_ICC_CPUCFLAGS = -tpp5
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_CPUCFLAGS = -march=pentium
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. elif ${CPUTYPE} == "i486"
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_ICC_CPUCFLAGS =
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_CPUCFLAGS = -march=i486
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. endif
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. elif ${MACHINE_ARCH} == "alpha"
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@ -147,5 +159,9 @@ _CPUCFLAGS += -mieee
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# NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk
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.if !defined(NO_CPU_CFLAGS)
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. if ${CC} == "icc"
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CFLAGS += ${_ICC_CPUCFLAGS}
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. else
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CFLAGS += ${_CPUCFLAGS}
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. endif
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.endif
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@ -125,25 +125,32 @@ depend: beforedepend ${DEPENDFILE} afterdepend
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# Different types of sources are compiled with slightly different flags.
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# Split up the sources, and filter out headers and non-applicable flags.
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.if ${CC} == "icc"
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MKDEP_CFLAGS= ${CFLAGS:M-X*} ${CFLAGS:M-[BID]*}
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MKDEP_CXXFLAGS= ${CXXFLAGS:M-X*} ${CXXFLAGS:M-[BID]*}
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MKDEP_OBJCFLAGS=${OBJCFLAGS:M-X*} ${OBJCFLAGS:M-[BID]*}
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.else
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MKDEP_CFLAGS= ${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BID]*}
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MKDEP_CXXFLAGS= ${CXXFLAGS:M-nostdinc*} ${CXXFLAGS:M-[BID]*}
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MKDEP_OBJCFLAGS=${OBJCFLAGS:M-nostdinc*} ${OBJCFLAGS:M-[BID]*} ${OBJCFLAGS:M-Wno-import*}
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.endif
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DPSRCS+= ${SRCS}
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${DEPENDFILE}: ${DPSRCS}
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rm -f ${DEPENDFILE}
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.if !empty(DPSRCS:M*.[cS])
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${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
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${CFLAGS:M-nostdinc*} ${CFLAGS:M-[BID]*} \
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${.ALLSRC:M*.[cS]}
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${MKDEP_CFLAGS} ${.ALLSRC:M*.[cS]}
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.endif
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.if !empty(DPSRCS:M*.cc) || !empty(DPSRCS:M*.C) || !empty(DPSRCS:M*.cpp) || \
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!empty(DPSRCS:M*.cxx)
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${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
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${CXXFLAGS:M-nostdinc*} ${CXXFLAGS:M-[BID]*} \
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${MKDEP_CXXFLAGS} \
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${.ALLSRC:M*.cc} ${.ALLSRC:M*.C} ${.ALLSRC:M*.cpp} ${.ALLSRC:M*.cxx}
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.endif
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.if !empty(DPSRCS:M*.m)
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${MKDEPCMD} -f ${DEPENDFILE} -a ${MKDEP} \
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${OBJCFLAGS:M-nostdinc*} ${OBJCFLAGS:M-[BID]*} \
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${OBJCFLAGS:M-Wno-import*} \
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${.ALLSRC:M*.m}
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${MKDEP_OBJCFLAGS} ${.ALLSRC:M*.m}
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.endif
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.if target(_EXTRADEPEND)
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_EXTRADEPEND: .USE
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@ -48,14 +48,23 @@ PICFLAG=-fpic
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.endif
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.endif
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.if ${CC} == "icc"
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PO_FLAG=-p
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.else
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PO_FLAG=-pg
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.endif
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.c.o:
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${CC} ${CFLAGS} -c ${.IMPSRC} -o ${.TARGET}
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.c.po:
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${CC} -pg ${CFLAGS} -c ${.IMPSRC} -o ${.TARGET}
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${CC} ${PO_FLAG} ${CFLAGS} -c ${.IMPSRC} -o ${.TARGET}
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.c.So:
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${CC} ${PICFLAG} -DPIC ${CFLAGS} -c ${.IMPSRC} -o ${.TARGET}
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.cc.po .C.po .cpp.po .cxx.po:
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${CXX} -pg ${CXXFLAGS} -c ${.IMPSRC} -o ${.TARGET}
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${CXX} ${PO_FLAG} ${CXXFLAGS} -c ${.IMPSRC} -o ${.TARGET}
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.cc.So .C.So .cpp.So .cxx.So:
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${CXX} ${PICFLAG} -DPIC ${CXXFLAGS} -c ${.IMPSRC} -o ${.TARGET}
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@ -157,7 +166,7 @@ ${LINTLIB}: ${LINTOBJS}
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${LINT} ${LINTLIBFLAGS} ${CFLAGS:M-[DIU]*} ${.ALLSRC}
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.endif
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.endif !defined(INTERNALLIB)
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.endif #!defined(INTERNALLIB)
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all: ${_LIBS}
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@ -8,7 +8,7 @@
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# for GCC: http://gcc.gnu.org/onlinedocs/gcc-3.0.4/gcc_3.html#IDX143
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.if !defined(NO_WARNS)
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.if !defined(NO_WARNS) && ${CC} != "icc"
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. if defined(WARNS)
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. if ${WARNS} > 0
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CWARNFLAGS += -Wsystem-headers
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@ -6,12 +6,12 @@
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#
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aicasm optional ahc \
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dependency "$S/dev/aic7xxx/aicasm/*.[chyl]" \
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compile-with "${MAKE} -f $S/dev/aic7xxx/aicasm/Makefile MAKESRCPATH=$S/dev/aic7xxx/aicasm" \
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compile-with "CC=${CC} ${MAKE} -f $S/dev/aic7xxx/aicasm/Makefile MAKESRCPATH=$S/dev/aic7xxx/aicasm" \
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no-obj no-implicit-rule \
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clean "aicasm* y.tab.h"
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aicasm optional ahd \
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dependency "$S/dev/aic7xxx/aicasm/*.[chyl]" \
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compile-with "${MAKE} -f $S/dev/aic7xxx/aicasm/Makefile MAKESRCPATH=$S/dev/aic7xxx/aicasm" \
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compile-with "CC=${CC} ${MAKE} -f $S/dev/aic7xxx/aicasm/Makefile MAKESRCPATH=$S/dev/aic7xxx/aicasm" \
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no-obj no-implicit-rule \
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clean "aicasm* y.tab.h"
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aic7xxx_{seq.h,reg.h,reg_print.c} optional ahc \
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@ -6,9 +6,14 @@
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# Note that the newly added -Wcast-qual is responsible for generating
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# most of the remaining warnings. Warnings introduced with -Wall will
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# also pop up, but are easier to fix.
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.if ${CC} == "icc"
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#CWARNFLAGS= -w2 # use this if you are terribly bored
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CWARNFLAGS=
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.else
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CWARNFLAGS?= -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes \
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-Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual \
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-fformat-extensions -std=c99
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.endif
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#
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# The following flags are next up for working on:
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# -W
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@ -22,7 +27,7 @@ CWARNFLAGS?= -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes \
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# use of code cache tag lines) and uses more stack (less efficient use of data
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# cache tag lines)
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#
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.if ${MACHINE_ARCH} == "i386"
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.if ${MACHINE_ARCH} == "i386" && ${CC} != "icc"
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CFLAGS+= -mno-align-long-strings -mpreferred-stack-boundary=2
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INLINE_LIMIT?= 8000
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.endif
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@ -80,4 +85,12 @@ INLINE_LIMIT?= 15000
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# GCC 3.0 and above like to do certain optimizations based on the
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# assumption that the program is linked against libc. Stop this.
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#
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.if ${CC} == "icc"
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CFLAGS+= -nolib_inline
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.else
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CFLAGS+= -ffreestanding
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.endif
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.if ${CC} == "icc"
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CFLAGS+= -restrict
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.endif
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@ -16,14 +16,28 @@ NM?= nm
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OBJCOPY?= objcopy
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SIZE?= size
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.if ${CC} == "icc"
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COPTFLAGS?=-O
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.else
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COPTFLAGS?=-O -pipe
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.if ${COPTFLAGS:M-O[23s]} != ""
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. if ${COPTFLAGS:M-O[23s]} != ""
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COPTFLAGS+= -fno-strict-aliasing
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. endif
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.endif
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.if !defined(NO_CPU_COPTFLAGS)
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. if ${CC} == "icc"
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COPTFLAGS+= ${_ICC_CPUCFLAGS:C/(-x[^M^K^W]+)[MKW]+|-x[MKW]+/\1/}
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. else
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COPTFLAGS+= ${_CPUCFLAGS}
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. endif
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.endif
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INCLUDES= -nostdinc -I- ${INCLMAGIC} -I. -I$S
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.if ${CC} == "icc"
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NOSTDINC= -X
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.else
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NOSTDINC= -nostdinc
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.endif
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INCLUDES= ${NOSTDINC} -I- ${INCLMAGIC} -I. -I$S
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# This hack lets us use the Intel ACPICA code without spamming a new
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# include path into 100+ source files.
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@ -43,19 +57,34 @@ INCLUDES+= -I$S/contrib/ngatm
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COPTS= ${INCLUDES} -D_KERNEL -include opt_global.h
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CFLAGS= ${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS}
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.if ${CC} != "icc"
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CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT}
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WERROR?= -Werror
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.endif
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# XXX LOCORE means "don't declare C stuff" not "for locore.s".
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ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
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.if defined(PROFLEVEL) && ${PROFLEVEL} >= 1
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. if ${CC} == "icc"
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CFLAGS+= -DGPROF
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. else
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CFLAGS+= -DGPROF -falign-functions=16
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. endif
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.if ${PROFLEVEL} >= 2
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CFLAGS+= -DGPROF4 -DGUPROF
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. if ${CC} == "icc"
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# XXX doesn't work yet
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#PROF= -prof_gen
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. else
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PROF= -finstrument-functions
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. endif
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.else
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. if ${CC} == "icc"
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PROF= -p
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. else
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PROF= -pg
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. endif
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.endif
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.endif
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DEFINED_PROF= ${PROF}
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@ -70,6 +70,10 @@ OBJCOPY?= objcopy
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.SUFFIXES: .out .o .c .cc .cxx .C .y .l .s .S
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.if ${CC} == "icc"
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_ICC_CFLAGS:= ${CFLAGS:C/(-x[^M^K^W]+)[MKW]+|-x[MKW]+/\1/}
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CFLAGS= ${_ICC_CFLAGS}
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.endif
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CFLAGS+= ${COPTS} -D_KERNEL
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CFLAGS+= -DKLD_MODULE
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@ -78,7 +82,12 @@ CFLAGS+= -DKLD_MODULE
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# such paths after -nostdinc. It doesn't seem to be possible to
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# add to the front of `make' variable.
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_ICFLAGS:= ${CFLAGS:M-I*}
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CFLAGS+= -nostdinc -I- ${INCLMAGIC} ${_ICFLAGS}
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.if ${CC} == "icc"
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NOSTDINC= -X
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.else
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NOSTDINC= -nostdinc
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.endif
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CFLAGS+= ${NOSTDINC} -I- ${INCLMAGIC} ${_ICFLAGS}
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.if defined(KERNBUILDDIR)
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CFLAGS+= -include ${KERNBUILDDIR}/opt_global.h
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.endif
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@ -102,11 +111,15 @@ CFLAGS+= -I${DESTDIR}/usr/include
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CFLAGS+= -I@/../include -I${DESTDIR}/usr/include
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.endif # @
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.if ${CC} != "icc"
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CFLAGS+= -finline-limit=${INLINE_LIMIT}
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.endif
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# Disallow common variables, and if we end up with commons from
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# somewhere unexpected, allocate storage for them in the module itself.
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.if ${CC} != "icc"
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CFLAGS+= -fno-common
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.endif
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LDFLAGS+= -d -warn-common
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CFLAGS+= ${DEBUG_FLAGS}
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@ -1,3 +1,4 @@
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#
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# $Id: //depot/aic7xxx/freebsd/dev/aic7xxx/aicasm/Makefile#2 $
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#
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# $FreeBSD$
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@ -22,7 +23,13 @@ LDADD= -ll
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DEPENDFILE=
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.endif
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CFLAGS+= -nostdinc -I/usr/include -I.
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.if ${CC} == "icc"
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CFLAGS+= -restrict
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NOSTDINC= -X
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.else
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NOSTDINC= -nostdinc
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.endif
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CFLAGS+= ${NOSTDINC} -I/usr/include -I.
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.ifdef MAKESRCPATH
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CFLAGS+= -I${MAKESRCPATH}
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.endif
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