1 #
   2 # CDDL HEADER START
   3 #
   4 # The contents of this file are subject to the terms of the
   5 # Common Development and Distribution License (the "License").
   6 # You may not use this file except in compliance with the License.
   7 #
   8 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9 # or http://www.opensolaris.org/os/licensing.
  10 # See the License for the specific language governing permissions
  11 # and limitations under the License.
  12 #
  13 # When distributing Covered Code, include this CDDL HEADER in each
  14 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15 # If applicable, add the following below this CDDL HEADER, with the
  16 # fields enclosed by brackets "[]" replaced with your own identifying
  17 # information: Portions Copyright [yyyy] [name of copyright owner]
  18 #
  19 # CDDL HEADER END
  20 #
  21 
  22 #
  23 # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  24 # Use is subject to license terms.
  25 #
  26 # Copyright (c) 2018, Joyent, Inc.
  27 
  28 #
  29 #       This makefile drives the production of the generic
  30 #       unix kernel module.
  31 #
  32 #       x86 implementation architecture dependent
  33 #
  34 
  35 #
  36 #       Path to the base of the uts directory tree (usually /usr/src/uts).
  37 #
  38 UTSBASE = ../..
  39 
  40 #
  41 #       Define the module and object file sets.
  42 #
  43 MODULE          = genunix
  44 GENUNIX         = $(OBJS_DIR)/$(MODULE)
  45 
  46 OBJECTS         = $(GENUNIX_OBJS:%=$(OBJS_DIR)/%) \
  47                   $(NOT_YET_KMODS:%=$(OBJS_DIR)/%)
  48 
  49 LINTS           = $(GENUNIX_OBJS:%.o=$(LINTS_DIR)/%.ln) \
  50                   $(NOT_YET_KMODS:%.o=$(LINTS_DIR)/%.ln)
  51 
  52 ROOTMODULE      = $(ROOT_KERN_DIR)/$(MODULE)
  53 
  54 LIBGEN          = $(OBJS_DIR)/libgenunix.so
  55 LIBSTUBS        = $(GENSTUBS_OBJS:%=$(OBJS_DIR)/%)
  56 
  57 #
  58 #       Include common rules.
  59 #
  60 include $(UTSBASE)/intel/Makefile.intel
  61 
  62 #
  63 #       Define targets
  64 #
  65 ALL_TARGET      = $(LIBGEN) $(GENUNIX)
  66 LINT_TARGET     = $(MODULE).lint
  67 INSTALL_TARGET  = $(LIBGEN) $(GENUNIX) $(ROOTMODULE)
  68 
  69 #
  70 #       Overrides
  71 #
  72 CLOBBERFILES    += $(GENUNIX)
  73 CLEANFILES      += $(LIBSTUBS) $(LIBGEN)
  74 BINARY          =
  75 
  76 #
  77 # Non-patch genunix builds merge a version of the ip module called ipctf.  This
  78 # is to ensure that the common network-related types are included in genunix and
  79 # can thus be uniquified out of other modules.  We don't want to do this for
  80 # patch builds, since we can't guarantee that ip and genunix will be in the same
  81 # patch.
  82 #
  83 IPCTF_TARGET    = $(IPCTF)
  84 $(PATCH_BUILD)IPCTF_TARGET =
  85 
  86 CPPFLAGS        += -I$(SRC)/common
  87 CPPFLAGS        += -I$(SRC)/uts/common/fs/zfs
  88 
  89 CPPFLAGS        += -I$(UTSBASE)/i86pc
  90 
  91 #
  92 # For now, disable these lint checks; maintainers should endeavor
  93 # to investigate and remove these for maximum lint coverage.
  94 # Please do not carry these forward to new Makefiles.
  95 #
  96 LINTTAGS        += -erroff=E_SUSPICIOUS_COMPARISON
  97 LINTTAGS        += -erroff=E_BAD_PTR_CAST_ALIGN
  98 LINTTAGS        += -erroff=E_SUPPRESSION_DIRECTIVE_UNUSED
  99 LINTTAGS        += -erroff=E_STATIC_UNUSED
 100 LINTTAGS        += -erroff=E_PTRDIFF_OVERFLOW
 101 LINTTAGS        += -erroff=E_ASSIGN_NARROW_CONV
 102 
 103 CERRWARN        += -_gcc=-Wno-unused-label
 104 CERRWARN        += -_gcc=-Wno-unused-variable
 105 CERRWARN        += -_gcc=-Wno-unused-value
 106 CERRWARN        += -_gcc=-Wno-unused-function
 107 CERRWARN        += -_gcc=-Wno-parentheses
 108 CERRWARN        += -_gcc=-Wno-switch
 109 CERRWARN        += -_gcc=-Wno-type-limits
 110 CERRWARN        += $(CNOWARN_UNINIT)
 111 CERRWARN        += -_gcc=-Wno-clobbered
 112 CERRWARN        += -_gcc=-Wno-empty-body
 113 
 114 # false positives
 115 SMOFF += index_overflow
 116 $(OBJS_DIR)/seg_vn.o := SMOFF += deref_check
 117 $(OBJS_DIR)/ddi_intr_irm.o := SMOFF += deref_check
 118 
 119 # need work still
 120 SMOFF += signed,indenting,all_func_returns
 121 $(OBJS_DIR)/clock_highres.o := SMOFF += signed_integer_overflow_check
 122 $(OBJS_DIR)/evchannels.o := SMOFF += allocating_enough_data
 123 $(OBJS_DIR)/klpd.o := SMOFF += cast_assign
 124 $(OBJS_DIR)/lookup.o := SMOFF += strcpy_overflow
 125 $(OBJS_DIR)/process.o := SMOFF += or_vs_and
 126 $(OBJS_DIR)/sunpci.o := SMOFF += deref_check
 127 $(OBJS_DIR)/timers.o := SMOFF += signed_integer_overflow_check
 128 
 129 # definitely wrong
 130 $(OBJS_DIR)/acl_common.o := SMOFF += or_vs_and
 131 
 132 #
 133 # Ensure that lint sees 'struct cpu' containing a fully declared
 134 # embedded 'struct machcpu'
 135 #
 136 LINTFLAGS       += -D_MACHDEP -I../../i86pc
 137 
 138 #
 139 #       Default build targets.
 140 #
 141 .KEEP_STATE:
 142 
 143 def:            $(DEF_DEPS)
 144 
 145 all:            $(ALL_DEPS)
 146 
 147 clean:          $(CLEAN_DEPS)
 148 
 149 clobber:        $(CLOBBER_DEPS)
 150 
 151 lint:           $(LINT_DEPS)
 152 
 153 modlintlib:     $(MODLINTLIB_DEPS)
 154 
 155 clean.lint:     $(CLEAN_LINT_DEPS)
 156 
 157 install:        $(INSTALL_DEPS)
 158 
 159 # Due to what seems to be an issue in GCC 4 generated DWARF containing
 160 # symbolic relocations against non-allocatable .debug sections, libgenunix.so
 161 # must be built from a stripped object, thus we create an intermediary
 162 # libgenunix.o we can safely strip.
 163 LIBGENUNIX_O = $(OBJS_DIR)/libgenunix.o
 164 CLEANFILES += $(LIBGENUNIX_O)
 165 
 166 $(LIBGENUNIX_O): $(OBJECTS)
 167         $(LD) -r -o $(OBJS_DIR)/libgenunix.o $(OBJECTS)
 168         $(STRIP) -x $(OBJS_DIR)/libgenunix.o
 169 
 170 $(LIBGEN):      $(LIBGENUNIX_O) $(LIBSTUBS)
 171         $(BUILD.SO) $(LIBGENUNIX_O) $(LIBSTUBS)
 172 
 173 $(IPCTF_TARGET) ipctf_target: FRC
 174         @cd $(IPDRV_DIR); pwd; $(MAKE) ipctf.$(OBJS_DIR)
 175         @pwd
 176 
 177 $(GENUNIX): $(IPCTF_TARGET) $(OBJECTS)
 178         $(LD) -r $(LDFLAGS) -o $@ $(OBJECTS)
 179         $(CTFMERGE_GENUNIX_MERGE)
 180         $(POST_PROCESS)
 181 
 182 #
 183 #       Include common targets.
 184 #
 185 include $(UTSBASE)/intel/Makefile.targ
 186 
 187 #
 188 #       Software workarounds for hardware "features".
 189 #
 190 include $(UTSBASE)/i86pc/Makefile.workarounds
 191 
 192 ALL_DEFS += $(WORKAROUND_DEFS)
 193 
 194 #
 195 # Override.
 196 #
 197 $(MODULE).lint := GEN_LINT_LIB =