Makefile

   1 #
   2 #  <Makefile>
   3 #
   4 #  Makefile for Open Hack'Ware.
   5 #
   6 #  Copyright (C) 2004-2005 Jocelyn Mayer (l_indien@magic.fr)
   7 #
   8 #   This program is free software; you can redistribute it and/or
   9 #   modify it under the terms of the GNU General Public License V2
  10 #   as published by the Free Software Foundation
  11 #
  12 #   This program is distributed in the hope that it will be useful,
  13 #   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 #   GNU General Public License for more details.
  16 #
  17 #   You should have received a copy of the GNU General Public License
  18 #   along with this program; if not, write to the Free Software
  19 #   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20 #
  21
  22 #DEBUG=1
  23
  24 CROSS_COMPILE?=powerpc-linux-
  25 CC:= $(CROSS_COMPILE)gcc -m32
  26 LD:= $(CROSS_COMPILE)ld -m elf32ppc
  27 OBJCOPY:= $(CROSS_COMPILE)objcopy
  28 MKDIR:= mkdir
  29 CAT:= cat
  30 TAR:= tar
  31 RM:= rm -rf --
  32 ECHO:= echo
  33 ifeq ("$(DEBUG)", "1")
  34 DEBUG:= $(ECHO)
  35 else
  36 DEBUG:= \#
  37 endif
  38
  39 BUILD_DATE:= $(shell date -u +%F)
  40 BUILD_TIME:= $(shell date -u +%T)
  41
  42 OBJDIR:= .objs
  43 DISTDIR:= .
  44 SRCDIR:= src
  45
  46 CC_BASE:= $(shell $(CC) -print-search-dirs | grep install | sed -e 's/.*\ //')
  47 CFLAGS= -Wall -W -Werror -O2 -g -fno-builtin -fno-common -nostdinc -mregnames
  48 # Disable a few warnings that would just create needless code churn
  49 CFLAGS+= -Wno-pointer-sign -Wno-unused-but-set-variable
  50 CFLAGS+= -DBUILD_DATE=$(BUILD_DATE) -DBUILD_TIME=$(BUILD_TIME)
  51 CFLAGS+= -I$(SRCDIR)/ -I$(SRCDIR)/libc/include -I$(CC_BASE)/include
  52 CFLAGS+= -I$(SRCDIR)/dev -I$(SRCDIR)/dev/block -I$(SRCDIR)/dev/char
  53 CFLAGS+= -I$(SRCDIR)/dev/bus
  54 LDFLAGS= -O2 -g -nostdlib
  55
  56 BIOS_IMAGE_BITS:= 20
  57 BIOS_IMAGE_SIZE:= $(shell echo $$(( 1 << $(BIOS_IMAGE_BITS) )) )
  58
  59 BOOT_SIZE      := 0x00000200
  60 VECTORS_BASE   := 0x00000000
  61 VECTORS_SIZE   := $(shell echo $$(( 0x00004000 - $(BOOT_SIZE) )) )
  62 VECTORS_END    := $(shell echo $$(( $(VECTORS_BASE) + $(VECTORS_SIZE) )) )
  63 BIOS_BASE      := 0x05800000
  64 BIOS_SIZE      := $(shell echo $$(( $(BIOS_IMAGE_SIZE) - $(BOOT_SIZE) - $(VECTORS_SIZE) )) )
  65 BIOS_END       := $(shell echo $$(( $(BIOS_BASE) + $(BIOS_SIZE) )) )
  66
  67 LOAD_IMAGE_BASE:= 0x04000000
  68
  69 # boot.bin build options
  70 boot.o_CFLAGS:= -DBOOT_SIZE=$(BOOT_SIZE)
  71 boot.o_CFLAGS+= -DVECTORS_BASE=$(VECTORS_BASE) -DVECTORS_SIZE=$(VECTORS_SIZE)
  72 boot.o_CFLAGS+= -DBIOS_IMAGE_BITS=$(BIOS_IMAGE_BITS)
  73 boot.out_LDFLAGS+= -T $(SRCDIR)/boot.ld
  74 # vectors.bin build options
  75 vectors.o_CFLAGS:= -DBIOS_BASE=$(BIOS_BASE) -DBIOS_SIZE=$(BIOS_SIZE)
  76 vectors.out_LDFLAGS+= -T $(SRCDIR)/vectors.ld
  77 vectors.bin_OPTIONS:= --pad-to $(VECTORS_END)
  78 # main.bin build options
  79 main.o_CFLAGS:= -DLOAD_IMAGE_BASE=$(LOAD_IMAGE_BASE)
  80 main.out_LDFLAGS:= -T $(SRCDIR)/main.ld
  81 main.out_OBJS:= main.o bootinfos.o bloc.o pci.o of.o start.o nvram.o vga.o mm.o char.o
  82 main.out_OBJS:= $(addprefix $(OBJDIR)/, $(main.out_OBJS))
  83 # Pseudo-libc objects
  84 FORMAT_FUNCS:= _vprintf printf sprintf snprintf vprintf vsprintf vsnprintf
  85 FORMAT_FUNCS+= dprintf vdprintf
  86 MEM_FUNCS:= memcpy memccpy mempcpy memmove memcmove mempmove
  87 MEM_FUNCS+= memset memcmp memchr rawmemchr memrchr memmem
  88 STR_FUNCS:= strcpy strdup strndup stpcpy stpncpy strcat strncat
  89 STR_FUNCS+= strcmp strcasecmp strncmp strncasecmp strchr strchrnul strrchr
  90 STR_FUNCS+= basename dirname
  91 STR_FUNCS+= strlen strnlen
  92 MODULES:= format mem str
  93 format_OBJS:=$(addsuffix .o, $(FORMAT_FUNCS))
  94 mem_OBJS:=$(addsuffix .o, $(MEM_FUNCS))
  95 str_OBJS:=$(addsuffix .o, $(STR_FUNCS))
  96 pseudo_libc_OBJS:= malloc.o errno.o $(format_OBJS) $(mem_OBJS) $(str_OBJS)
  97 #pseudo_libc_OBJS:= errno.o $(format_OBJS) $(mem_OBJS) $(str_OBJS)
  98 main.out_OBJS+= $(addprefix $(OBJDIR)/, $(pseudo_libc_OBJS))
  99 # libexec objects
 100 libexec_OBJS:= core.o elf.o xcoff.o macho.o chrp.o prep.o pef.o
 101 main.out_OBJS+= $(addprefix $(OBJDIR)/exec_, $(libexec_OBJS))
 102 # libfs objects
 103 libfs_OBJS:= core.o raw.o ext2.o isofs.o hfs.o
 104 main.out_OBJS+= $(addprefix $(OBJDIR)/fs_, $(libfs_OBJS))
 105 # libpart objects
 106 libpart_OBJS:= core.o apple.o isofs.o prep.o
 107 main.out_OBJS+= $(addprefix $(OBJDIR)/part_, $(libpart_OBJS))
 108 # char devices drivers
 109 chardev_OBJS:= pckbd.o kbdadb.o kbd.o
 110 # bloc devices drivers
 111 blocdev_OBJS:=
 112 # devices drivers
 113 dev_OBJS:= $(addprefix bloc_, $(blocdev_OBJS))
 114 dev_OBJS+= $(addprefix char_, $(chardev_OBJS))
 115 main.out_OBJS+= $(addprefix $(OBJDIR)/dev_, $(dev_OBJS))
 116
 117 CUR= $(notdir $@)
 118 CFLAGS+= $($(CUR)_CFLAGS)
 119 LDFLAGS+= $($(CUR)_LDFLAGS)
 120
 121 BIN_TARGETS:= $(OBJDIR)/vectors.bin $(OBJDIR)/main.bin $(OBJDIR)/boot.bin
 122 TARGET:= ppc_rom.bin
 123 main.bin_OPTIONS:= --gap-fill 0xFF --pad-to $(BIOS_END)
 124
 125 CURDIR:= $(shell basename `pwd`)
 126 SOURCES:= boot.S vectors.S start.S main.c of.c
 127 SOURCES+= vga.c vgafont.h bootinfos.c nvram.c file.c fs.c part.c bloc.c pci.c bios.h
 128 LD_SCRIPTS:= boot.ld vectors.ld main.ld
 129 MISC_FILES:= Makefile COPYING README Changelog Timestamp
 130 SVN_DIRS:= $(shell find . -type d -name .svn)
 131 TARBALL:= OpenHackWare.tar.bz2
 132 TARFILES:= $(addprefix $(SRCDIR)/, $(SOURCES) $(LD_SCRIPTS)) $(MISC_FILES)
 133 SVN_TARBALL:= OpenHackWare_svn.tar.bz2
 134 DISTFILE:= OpenHackWare_bin.tar.bz2
 135
 136 #all: print
 137 all: $(OBJDIR) $(DISTDIR) $(addprefix $(DISTDIR)/, $(TARGET))
 138
 139 dist: all $(CURDIR)/Timestamp
 140         cd $(DISTDIR) && $(TAR) -cjf $(DISTFILE) $(DISTDIR)/$(TARGET) Timestamp
 141
 142 print:
 143         @$(DEBUG) "BOOT_SIZE    = $(BOOT_SIZE)"
 144         @$(DEBUG) "VECTORS_BASE = $(VECTORS_BASE)"
 145         @$(DEBUG) "VECTORS_SIZE = $(VECTORS_SIZE)"
 146         @$(DEBUG) "VECTORS_END  = $(VECTORS_END)"
 147         @$(DEBUG) "BIOS_BASE    = $(BIOS_BASE)"
 148         @$(DEBUG) "BIOS_SIZE    = $(BIOS_SIZE)"
 149         @$(DEBUG) "BIOS_END     = $(BIOS_END)"
 150
 151 $(OBJDIR) $(DISTDIR):
 152         @$(MKDIR) $@
 153
 154 $(DISTDIR)/$(TARGET): $(BIN_TARGETS)
 155         $(CAT) $^ > $@
 156
 157 $(OBJDIR)/%.bin: $(OBJDIR)/%.out
 158         $(OBJCOPY) -O binary $($(notdir $@)_OPTIONS) $< $@
 159
 160 $(OBJDIR)/%.out: $(OBJDIR)/%.o $(SRCDIR)/%.ld
 161         $(LD) $(LDFLAGS) -o $@ $<
 162
 163 $(OBJDIR)/main.out: $(main.out_OBJS) $(SRCDIR)/main.ld
 164         $(LD) $(LDFLAGS) -o $@ $(main.out_OBJS)
 165
 166 $(OBJDIR)/%.o: $(SRCDIR)/%.c $(SRCDIR)/bios.h
 167         @$(DEBUG) "CFLAGS  = $(CFLAGS)"
 168         $(CC) -c $(CFLAGS) -o $@ $<
 169
 170 $(OBJDIR)/%.o: $(SRCDIR)/%.S $(SRCDIR)/bios.h
 171         @$(DEBUG) "CFLAGS  = $(CFLAGS)"
 172         $(CC) -c $(CFLAGS) -Wa,-mregnames -o $@ $<
 173
 174         $(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
 175
 176 # Pseudo libc objects
 177 $(OBJDIR)/%.o: $(SRCDIR)/libc/src/%.c
 178         @$(DEBUG) "CFLAGS  = $(CFLAGS)"
 179         $(CC) -c $(CFLAGS) -o $@ $<
 180
 181 $(OBJDIR)/mem%.o: $(SRCDIR)/libc/src/mem.c
 182         $(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
 183
 184 $(OBJDIR)/rawmemchr.o: $(SRCDIR)/libc/src/mem.c
 185         $(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
 186
 187 $(OBJDIR)/str%.o: $(SRCDIR)/libc/src/str.c
 188         @$(DEBUG) "CFLAGS  = $(CFLAGS)"
 189         $(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
 190
 191 $(OBJDIR)/stp%.o: $(SRCDIR)/libc/src/str.c
 192         @$(DEBUG) "CFLAGS  = $(CFLAGS)"
 193         $(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
 194
 195 $(OBJDIR)/basename.o: $(SRCDIR)/libc/src/str.c
 196         @$(DEBUG) "CFLAGS  = $(CFLAGS)"
 197         $(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
 198
 199 $(OBJDIR)/dirname.o: $(SRCDIR)/libc/src/str.c
 200         @$(DEBUG) "CFLAGS  = $(CFLAGS)"
 201         $(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
 202
 203 $(OBJDIR)/%rintf.o: $(SRCDIR)/libc/src/format.c
 204         @$(DEBUG) "CFLAGS  = $(CFLAGS)"
 205         $(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
 206
 207 # libexec objects
 208 $(OBJDIR)/exec_%.o: $(SRCDIR)/libexec/%.c
 209         @$(DEBUG) "CFLAGS  = $(CFLAGS)"
 210         $(CC) -c $(CFLAGS) -o $@ $<
 211
 212 # libfs objects
 213 $(OBJDIR)/fs_%.o: $(SRCDIR)/libfs/%.c
 214         @$(DEBUG) "CFLAGS  = $(CFLAGS)"
 215         $(CC) -c $(CFLAGS) -o $@ $<
 216
 217 # libpart objects
 218 $(OBJDIR)/part_%.o: $(SRCDIR)/libpart/%.c
 219         @$(DEBUG) "CFLAGS  = $(CFLAGS)"
 220         $(CC) -c $(CFLAGS) -o $@ $<
 221
 222 # Devices drivers
 223 $(OBJDIR)/dev_%.o: $(SRCDIR)/dev/%.c
 224         @$(DEBUG) "CFLAGS  = $(CFLAGS)"
 225         $(CC) -c $(CFLAGS) -o $@ $<
 226 # Char devices drivers
 227 $(OBJDIR)/dev_char_%.o: $(SRCDIR)/dev/char/%.c
 228         @$(DEBUG) "CFLAGS  = $(CFLAGS)"
 229         $(CC) -c $(CFLAGS) -o $@ $<
 230 # Bloc devices drivers
 231 $(OBJDIR)/dev_bloc_%.o: $(SRCDIR)/dev/bloc/%.c
 232         @$(DEBUG) "CFLAGS  = $(CFLAGS)"
 233         $(CC) -c $(CFLAGS) -o $@ $<
 234
 235 # Other targets
 236 tarball: $(CURDIR)/Timestamp
 237         cd .. && $(TAR) -cjf $(CURDIR)/$(TARBALL) \
 238                              $(addprefix $(CURDIR)/, $(TARFILES))
 239
 240 svntarball: $(CURDIR)/Timestamp
 241         cd .. && $(TAR) -cjf $(CURDIR)/$(SVN_TARBALL) \
 242                              $(addprefix $(CURDIR)/, $(TARFILES) $(SVN_DIRS))
 243
 244 $(CURDIR)/Timestamp: force
 245         @cd .. && echo "$(BUILD_DATE) at $(BUILD_TIME)" > $@
 246
 247 clean:
 248         $(RM) $(OBJDIR) $(addprefix $(DISTDIR)/, $(TARGETS))
 249         $(RM) $(DISTFILE) $(CURDIR)/$(TARBALL)
 250
 251 cleansrc: clean
 252         $(RM) *~ src/*~ .*~ src/.*~
 253
 254 # Keep all intermediary files
 255 .PRECIOUS: $(OBJDIR)/%.o $(OBJDIR)/%.out
 256
 257 .PHONY: all dist print tarball clean cleansrc
 258
 259 force: