drm: Sync vblank handling code with Linux 3.14
[dragonfly.git] / sys / conf / kern.pre.mk
blob8a66a93029f3c7bf5b2d9c4294dfa234f2ad9977
2 # This Makefile covers the top part of the MI kernel build instructions
5 # Can be overridden by makeoptions or /etc/make.conf
6 KERNEL?= kernel
8 # build this target if none is specified on the command line
9 .MAIN: all
11 # Set the platform and machine architectures
13 P= ${MACHINE_PLATFORM}
14 M= ${MACHINE_ARCH}
16 SIZE?= size
17 OBJCOPY?= objcopy
19 COPTFLAGS?=-O -pipe
20 #COPTFLAGS?=-O -fthread-jumps -fcse-follow-jumps -fcrossjumping -frerun-cse-after-loop -fno-guess-branch-probability --param min-crossjump-insns=1 -pipe
21 #COPTFLAGS?=-O -fcrossjumping -pipe
22 #COPTFLAGS?=-Os -fno-strict-aliasing -pipe
23 #COPTFLAGS?=-O2 -fno-strict-aliasing -pipe
24 .if !defined(NO_CPU_COPTFLAGS)
25 COPTFLAGS+= ${_CPUCFLAGS}
26 .endif
27 # don't use -I- so we can use proper source-relative locality for local
28 # includes.
30 # -I. - this is to access the opt_*.h and use_*.h header files generated
31 # in the kernel build directory.
33 # -Iinclude
34 # - this is used to access forwarding header files for
35 # <machine/*.h> that exist in the cpu architecture but do not
36 # exist in the platform (machine/) architecture. This allows
37 # the platform to trivially override the cpu header files.
39 INCLUDES= -nostdinc -I. -Iinclude -I$S
40 # This hack is to allow kernel compiles to succeed on machines w/out srcdist
41 .if exists($S/../include)
42 INCLUDES+= -I$S/../include
43 .else
44 INCLUDES+= -I/usr/include
45 .endif
47 # This hack lets us use the Intel ACPICA code without spamming a new
48 # include path into 100+ source files.
49 .include "$S/conf/acpi.mk"
50 INCLUDES+= -I${.OBJDIR} -I"$S/${OSACPI_MI_DIR}" -I"$S/${ACPICA_DIR}/include"
52 # ... and the same for Atheros HAL
53 INCLUDES+= -I$S/dev/netif/ath/ath_hal -I$S/contrib/dev/ath/ath_hal
55 # Same thing for drm includes
56 INCLUDES+= -I$S/dev/drm/include
58 COPTS= ${INCLUDES} ${IDENT} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h
59 CFLAGS= ${COPTFLAGS} ${CWARNFLAGS} ${DEBUG} ${COPTS}
61 # XXX LOCORE means "don't declare C stuff" not "for locore.s".
62 ASM_CFLAGS= -x assembler-with-cpp -DLOCORE ${CFLAGS}
64 DEFINED_PROF= ${PROF}
65 .if defined(PROF)
66 CFLAGS+= -falign-functions=16
67 .if ${PROFLEVEL} >= 2
68 IDENT+= -DGPROF4 -DGUPROF
69 PROF+= -mprofiler-epilogue
70 .endif
71 .endif
73 # Put configuration-specific C flags last (except for ${PROF}) so that they
74 # can override the others.
75 CFLAGS+= ${CONF_CFLAGS}
77 NORMAL_C= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
78 NORMAL_C_C= ${CC} -c ${CFLAGS} ${PROF} ${.IMPSRC}
79 NORMAL_S= ${CC} -c ${ASM_CFLAGS} ${.IMPSRC}
80 PROFILE_C= ${CC} -c ${CFLAGS} ${.IMPSRC}
82 NORMAL_M= awk -f $S/tools/makeobjops.awk -- -c $<; \
83 ${CC} -c ${CFLAGS} ${PROF} ${.PREFIX}.c
85 NORMAL_FW= uudecode -o ${.TARGET} ${.ALLSRC}
86 NORMAL_FWO= ${LD} -b binary -d -warn-common -r -o ${.TARGET} ${.ALLSRC:M*.fw}
88 .if !defined(NO_WERROR) && (${CCVER} == "gcc47" || ${CCVER} == "gcc50")
89 WERROR=-Werror
90 .endif
92 GEN_CFILES= $S/platform/$P/$M/genassym.c
93 SYSTEM_CFILES= ioconf.c config.c
94 SYSTEM_SFILES= $S/platform/$P/$M/locore.s
95 SYSTEM_DEP= Makefile ${SYSTEM_OBJS}
96 SYSTEM_OBJS= locore.o ${OBJS} ioconf.o config.o hack.So
97 SYSTEM_LD= @${LD} -Bdynamic -T $S/platform/$P/conf/ldscript.$M \
98 -export-dynamic -dynamic-linker /red/herring \
99 -o ${.TARGET} -X ${SYSTEM_OBJS} vers.o
101 # The max-page-size for gnu ld is 0x200000 on x86_64
102 # For the gold linker, it is only 0x1000 on both x86_64 and i386
103 # The penalty for changing the gold default for x86_64 is larger binaries
104 # and shared libraries, and forcing them to use more address space than
105 # required. The only application that needs such a large page size is the
106 # kernel itself, so leave the gold default alone and treat the kernel
107 # page size as an exception.
109 .if ${P} == "pc64" || ${P} == "vkernel64"
110 SYSTEM_LD+= -z max-page-size=0x200000
111 .elif ${P} == "pc32" || ${P} == "vkernel"
112 SYSTEM_LD+= -z max-page-size=0x1000
113 .endif
115 SYSTEM_LD_TAIL= @${OBJCOPY} --strip-symbol gcc2_compiled. ${.TARGET} ; \
116 ${SIZE} ${.TARGET} ; chmod 755 ${.TARGET}
117 SYSTEM_DEP+= $S/platform/$P/conf/ldscript.$M
119 # Normalize output files to make it absolutely crystal clear to
120 # anyone examining the build directory.
122 .if defined(DEBUG)
123 FULLKERNEL= ${KERNEL}.debug
124 .if defined(INSTALLSTRIPPED)
125 SELECTEDKERNEL= ${KERNEL}.stripped
126 .else
127 SELECTEDKERNEL= ${KERNEL}.debug
128 .endif
129 .else
130 FULLKERNEL= ${KERNEL}.nodebug
131 SELECTEDKERNEL= ${KERNEL}.stripped
132 .endif
135 MKMODULESENV= MAKEOBJDIRPREFIX=${.OBJDIR} BUILDING_WITH_KERNEL=${.OBJDIR}
136 .if defined(MODULES_OVERRIDE)
137 MKMODULESENV+= MODULES_OVERRIDE="${MODULES_OVERRIDE}"
138 .endif
139 .if defined(DEBUG)
140 MKMODULESENV+= DEBUG="${DEBUG}" DEBUG_FLAGS="${DEBUG}"
141 .endif
142 .if defined(INSTALLSTRIPPED) || defined(INSTALLSTRIPPEDMODULES)
143 MKMODULESENV+= INSTALLSTRIPPEDMODULES=1
144 .endif
145 MKMODULESENV+= MACHINE_ARCH=${MACHINE_ARCH} MACHINE=${MACHINE} MACHINE_PLATFORM=${MACHINE_PLATFORM}