sys/conf/Makefile.mips

   1 # Makefile.mips
   2 # $FreeBSD$
   3 #
   4 # Makefile for FreeBSD
   5 #
   6 # This makefile is constructed from a machine description:
   7 #       config machineid
   8 # Most changes should be made in the machine description
   9 #       /sys/mips/conf/``machineid''
  10 # after which you should do
  11 #        config machineid
  12 # Generic makefile changes should be made in
  13 #       /sys/conf/Makefile.mips
  14 # after which config should be rerun for all machines.
  15 #
  16
  17 # Which version of config(8) is required.
  18 %VERSREQ=       600004
  19
  20 STD8X16FONT?=   iso
  21
  22 .if !defined(S)
  23 .if exists(./@/.)
  24 S=      ./@
  25 .else
  26 S=      ../../..
  27 .endif
  28 .endif
  29 .include "$S/conf/kern.pre.mk"
  30
  31 INCLUDES+= -I$S/contrib/libfdt
  32
  33 LDSCRIPT_NAME?=ldscript.$M
  34 SYSTEM_LD:= ${SYSTEM_LD:$S/conf/${LDSCRIPT_NAME}=${LDSCRIPT_NAME}}
  35 SYSTEM_DEP:= ${SYSTEM_DEP:$S/conf/${LDSCRIPT_NAME}=${LDSCRIPT_NAME}}
  36
  37 KERNLOADADDR?=0x80001000
  38 # This obscure value is defined by CFE for WR160N
  39 # To be changed later
  40 TRAMPLOADADDR?=0x807963c0
  41
  42 MKMODULESENV+=  MACHINE=${MACHINE} MACHINE_ARCH=${MACHINE_ARCH}
  43
  44 # We default to the MIPS32 ISA, if none specified in the
  45 # kernel configuration file.
  46 ARCH_FLAGS?=-march=mips32
  47 EXTRA_FLAGS=-fno-pic -mno-abicalls -G0 -DKERNLOADADDR=${KERNLOADADDR}
  48
  49 HACK_EXTRA_FLAGS=-shared
  50
  51 # We add the -fno-pic flag to kernels because otherwise performance
  52 # is extremely poor, as well as -mno-abicalls to force no ABI usage.
  53 CFLAGS+=${EXTRA_FLAGS} $(ARCH_FLAGS)
  54 HACK_EXTRA_FLAGS+=${EXTRA_FLAGS} $(ARCH_FLAGS)
  55 TRAMP_ARCH_FLAGS?=$(ARCH_FLAGS)
  56 TRAMP_EXTRA_FLAGS=${EXTRA_FLAGS} ${TRAMP_ARCH_FLAGS}
  57 .if ${MACHINE_ARCH:Mmips64*} != ""
  58 TRAMP_ELFSIZE=64
  59 .else
  60 TRAMP_ELFSIZE=32
  61 .endif
  62
  63 # XXX hardcoded kernel entry point
  64 ASM_CFLAGS+=${CFLAGS} -D_LOCORE -DLOCORE
  65
  66 .if !defined(WITHOUT_KERNEL_TRAMPOLINE)
  67 KERNEL_EXTRA=trampoline
  68 trampoline: ${KERNEL_KO}.tramp.bin
  69 ${KERNEL_KO}.tramp.bin: ${KERNEL_KO} $S/$M/$M/elf_trampoline.c \
  70         $S/$M/$M/inckern.S
  71         ${OBJCOPY} --strip-symbol '$$d' --strip-symbol '$$a' \
  72                 -g --strip-symbol '$$t' ${FULLKERNEL} ${KERNEL_KO}.tmp
  73         sed -e s/${KERNLOADADDR}/${TRAMPLOADADDR}/ -e s/" + SIZEOF_HEADERS"// \
  74                  ${LDSCRIPT_NAME} > ${LDSCRIPT_NAME}.tramp.noheader
  75         ${CC} -O -nostdlib -I. -I$S ${TRAMP_EXTRA_FLAGS} ${TRAMP_LDFLAGS} -Xlinker \
  76                 -T -Xlinker ${LDSCRIPT_NAME}.tramp.noheader \
  77                 -DKERNNAME="\"${KERNEL_KO}.tmp\"" -DELFSIZE=${TRAMP_ELFSIZE} \
  78                 $S/$M/$M/elf_trampoline.c $S/$M/$M/inckern.S \
  79                 -o ${KERNEL_KO}.tramp.elf
  80         ${OBJCOPY} -S -O binary ${KERNEL_KO}.tramp.elf \
  81                 ${KERNEL_KO}.tramp.bin
  82 .endif
  83
  84 %BEFORE_DEPEND
  85
  86 %OBJS
  87
  88 %FILES.c
  89
  90 %FILES.s
  91
  92 %FILES.m
  93
  94 %CLEAN
  95
  96 CLEAN+= ${LDSCRIPT_NAME} ${LDSCRIPT_NAME}.tramp.noheader \
  97         ${KERNEL_KO}.tramp.elf ${KERNEL_KO}.tramp.bin
  98
  99 ${LDSCRIPT_NAME}: $S/conf/${LDSCRIPT_NAME}
 100         sed s/KERNLOADADDR/${KERNLOADADDR}/g $S/conf/${LDSCRIPT_NAME} \
 101                 > ${LDSCRIPT_NAME}
 102 %RULES
 103
 104 .include "$S/conf/kern.post.mk"