sys/arch/i386/stand/boot/Makefile.boot

   1 # $NetBSD: Makefile.boot,v 1.67 2015/08/20 11:39:28 uebayasi Exp $
   2
   3 S=      ${.CURDIR}/../../../../..
   4
   5 NOMAN=
   6 PROG?= boot
   7 NEWVERSWHAT?= "BIOS Boot"
   8 VERSIONFILE?= ${.CURDIR}/../version
   9
  10 AFLAGS.biosboot.S= ${${ACTIVE_CC} == "clang":?-no-integrated-as:}
  11
  12 SOURCES?= biosboot.S boot2.c conf.c devopen.c exec.c
  13 SRCS= ${SOURCES}
  14 .if !make(depend)
  15 SRCS+= vers.c
  16 .endif
  17
  18 PIE_CFLAGS=
  19 PIE_AFLAGS=
  20 PIE_LDFLAGS=
  21
  22 .include <bsd.own.mk>
  23
  24 STRIPFLAG=      # nothing
  25
  26 LIBCRT0=        # nothing
  27 LIBCRTI=        # nothing
  28 LIBCRTBEGIN=    # nothing
  29 LIBCRTEND=      # nothing
  30 LIBC=           # nothing
  31
  32 BINDIR=/usr/mdec
  33 BINMODE=444
  34
  35 .PATH:  ${.CURDIR}/.. ${.CURDIR}/../../lib
  36
  37 LDFLAGS+= -nostdlib -Wl,-N -Wl,-e,boot_start
  38 CPPFLAGS+= -I ${.CURDIR}/..  -I ${.CURDIR}/../../lib -I ${S}/lib/libsa
  39 CPPFLAGS+= -I ${.OBJDIR}
  40 # Make sure we override any optimization options specified by the user
  41 COPTS=  -Os
  42
  43 .if ${MACHINE_ARCH} == "x86_64"
  44 LDFLAGS+=  -Wl,-m,elf_i386
  45 AFLAGS+=   -m32
  46 CPUFLAGS=  -m32
  47 LIBKERN_ARCH=i386
  48 KERNMISCMAKEFLAGS="LIBKERN_ARCH=i386"
  49 .else
  50 CPUFLAGS=  -march=i386 -mtune=i386
  51 .endif
  52
  53 CFLAGS+=   -mno-sse -mno-sse2 -mno-sse3
  54
  55 COPTS+=    -ffreestanding
  56 CFLAGS+= -Wall -Wmissing-prototypes -Wstrict-prototypes
  57 CPPFLAGS+= -nostdinc -D_STANDALONE
  58 CPPFLAGS+= -I$S
  59
  60 CPPFLAGS+= -DSUPPORT_PS2
  61 CPPFLAGS+= -DDIRECT_SERIAL
  62 CPPFLAGS+= -DSUPPORT_SERIAL=boot_params.bp_consdev
  63
  64 CPPFLAGS+= -DCONSPEED=boot_params.bp_conspeed
  65 CPPFLAGS+= -DCONSADDR=boot_params.bp_consaddr
  66 CPPFLAGS+= -DCONSOLE_KEYMAP=boot_params.bp_keymap
  67
  68 CPPFLAGS+= -DSUPPORT_CD9660
  69 CPPFLAGS+= -DSUPPORT_USTARFS
  70 CPPFLAGS+= -DSUPPORT_DOSFS
  71 CPPFLAGS+= -DSUPPORT_EXT2FS
  72 CPPFLAGS+= -DSUPPORT_MINIXFS3
  73 CPPFLAGS+= -DPASS_BIOSGEOM
  74 CPPFLAGS+= -DPASS_MEMMAP
  75 #CPPFLAGS+= -DBOOTPASSWD
  76 CPPFLAGS+= -DEPIA_HACK
  77 #CPPFLAGS+= -DDEBUG_MEMSIZE
  78 #CPPFLAGS+= -DBOOT_MSG_COM0
  79 CPPFLAGS+= -DLIBSA_ENABLE_LS_OP
  80 .if defined(__MINIX)
  81 CPPFLAGS+= -DLIBSA_ENABLE_LOAD_MODS_OP
  82 .endif # defined(__MINIX)
  83
  84 # The biosboot code is linked to 'virtual' address of zero and is
  85 # loaded at physical address 0x10000.
  86 # XXX The heap values should be determined from _end.
  87 SAMISCCPPFLAGS+= -DHEAP_START=0x40000 -DHEAP_LIMIT=0x70000
  88 SAMISCCPPFLAGS+= -DLIBSA_PRINTF_LONGLONG_SUPPORT
  89 SAMISCMAKEFLAGS+= SA_USE_CREAD=yes      # Read compressed kernels
  90 SAMISCMAKEFLAGS+= SA_INCLUDE_NET=no     # Netboot via TFTP, NFS
  91
  92 CPPFLAGS+=      -Wno-pointer-sign
  93
  94 # CPPFLAGS+= -DBOOTXX_RAID1_SUPPORT
  95
  96 I386_STAND_DIR?= $S/arch/i386/stand
  97
  98 ### find out what to use for libi386
  99 I386DIR= ${I386_STAND_DIR}/lib
 100 .include "${I386DIR}/Makefile.inc"
 101 LIBI386= ${I386LIB}
 102
 103 ### find out what to use for libsa
 104 SA_AS= library
 105 SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
 106 SAMISCMAKEFLAGS+="SA_ENABLE_LS_OP=yes"
 107 .include "${S}/lib/libsa/Makefile.inc"
 108 LIBSA= ${SALIB}
 109
 110 .if !defined(__MINIX)
 111 ### find out what to use for libkern
 112 KERN_AS= library
 113 .include "${S}/lib/libkern/Makefile.inc"
 114 LIBKERN= ${KERNLIB}
 115 .else
 116
 117 USE_BITCODE=no
 118
 119 # use MINIX minc
 120 LIBKERN= ${DESTDIR}/usr/lib/libminc.a
 121 .endif # !defined(__MINIX)
 122
 123 ### find out what to use for libz
 124 Z_AS= library
 125 .include "${S}/lib/libz/Makefile.inc"
 126 LIBZ= ${ZLIB}
 127
 128 LDSCRIPT ?= $S/arch/i386/conf/stand.ldscript
 129
 130 cleandir distclean: .WAIT cleanlibdir
 131
 132 cleanlibdir:
 133         -rm -rf lib
 134
 135 LIBLIST= ${LIBI386} ${LIBSA} ${LIBZ} ${LIBKERN} ${LIBI386} ${LIBSA}
 136 # LIBLIST= ${LIBSA} ${LIBKERN} ${LIBI386} ${LIBSA} ${LIBZ} ${LIBKERN}
 137
 138 CLEANFILES+= ${PROG}.tmp ${PROG}.map ${PROG}.sym vers.c
 139
 140 vers.c: ${VERSIONFILE} ${SOURCES} ${LIBLIST} ${.CURDIR}/../Makefile.boot
 141         ${HOST_SH} ${S}/conf/newvers_stand.sh ${VERSIONFILE} x86 ${NEWVERSWHAT}
 142
 143 .if defined(__MINIX)
 144 # BJG
 145 # -Wl,-Ttext,0 changed to --section-start=.text=0 twice below of a gold problem.
 146 # did not leave both versions in because of the huge continued line.
 147 .endif # defined(__MINIX)
 148
 149 # Anything that calls 'real_to_prot' must have a %pc < 0x10000.
 150 # We link the program, find the callers (all in libi386), then
 151 # explicitly pull in the required objects before any other library code.
 152 ${PROG}: ${OBJS} ${LIBLIST} ${LDSCRIPT} ${.CURDIR}/../Makefile.boot
 153         ${_MKTARGET_LINK}
 154         bb="$$( ${CC} -o ${PROG}.sym ${LDFLAGS} -Wl,--section-start=.text=0 -Wl,-cref \
 155             ${OBJS} ${LIBLIST} | ( \
 156                 while read symbol file; do \
 157                         [ -z "$$file" ] && continue; \
 158                         [ "$$symbol" = real_to_prot ] && break; \
 159                 done; \
 160                 while \
 161                         oifs="$$IFS"; \
 162                         IFS='()'; \
 163                         set -- $$file; \
 164                         IFS="$$oifs"; \
 165                         [ -n "$$2" ] && echo "${I386DST}/$$2"; \
 166                         read file rest && [ -z "$$rest" ]; \
 167                 do :; \
 168                 done; \
 169         ) )"; \
 170         ${CC} -o ${PROG}.sym ${LDFLAGS} -Wl,--section-start=.text=0 -T ${LDSCRIPT} \
 171                 -Wl,-Map,${PROG}.map -Wl,-cref ${OBJS} $$bb ${LIBLIST}
 172         ${OBJCOPY} -O binary ${PROG}.sym ${PROG}
 173
 174 .include <bsd.prog.mk>
 175 KLINK_MACHINE=  i386
 176 .include <bsd.klinks.mk>