mk/lib.mk

   1 # -*- makefile -*-
   2
   3 include $(MAKEDIR)/syslinux.mk
   4
   5 # Support IA32 and x86_64 platforms with one build
   6 # Set up architecture specifics; for cross compilation, set ARCH as apt
   7 GCCOPT := $(call gcc_ok,-std=gnu99,)
   8 ifeq ($(ARCH),i386)
   9         GCCOPT += $(call gcc_ok,-m32,)
  10         GCCOPT += $(call gcc_ok,-mpreferred-stack-boundary=2,)
  11         MARCH = i386
  12 endif
  13 ifeq ($(ARCH),x86_64)
  14         GCCOPT += $(call gcc_ok,-m64,)
  15         #let preferred-stack-boundary be default(=4)
  16         MARCH = x86-64
  17 endif
  18 GCCOPT += $(call gcc_ok,-fno-stack-protector,)
  19 GCCOPT += $(call gcc_ok,-fwrapv,)
  20 GCCOPT += $(call gcc_ok,-freg-struct-return,)
  21 # Note -fPIE does not work with ld on x86_64, try -fPIC instead
  22 # Does BIOS build require -fPIE?
  23 GCCOPT += $(call gcc_ok,-fPIC)
  24 GCCOPT += $(call gcc_ok,-fno-exceptions,)
  25 GCCOPT += $(call gcc_ok,-fno-asynchronous-unwind-tables,)
  26 GCCOPT += $(call gcc_ok,-fno-strict-aliasing,)
  27 GCCOPT += $(call gcc_ok,-falign-functions=0,-malign-functions=0)
  28 GCCOPT += $(call gcc_ok,-falign-jumps=0,-malign-jumps=0)
  29 GCCOPT += $(call gcc_ok,-falign-labels=0,-malign-labels=0)
  30 GCCOPT += $(call gcc_ok,-falign-loops=0,-malign-loops=0)
  31
  32 INCLUDE = -I$(SRC)
  33 STRIP   = strip --strip-all -R .comment -R .note
  34
  35 # zlib and libpng configuration flags
  36 LIBFLAGS = -DDYNAMIC_CRC_TABLE -DPNG_NO_CONSOLE_IO \
  37            -DPNG_NO_WRITE_SUPPORTED \
  38            -DPNG_NO_MNG_FEATURES \
  39            -DPNG_NO_READ_tIME -DPNG_NO_WRITE_tIME
  40
  41 # We need some features in libpng which apparently aren't available in the
  42 # fixed-point versions.  It's OK, because we have to have a non-graphical
  43 # fallback anyway, just use that on old machines...
  44 # LIBFLAGS += -DPNG_NO_FLOATING_POINT_SUPPORTED
  45
  46 REQFLAGS  = $(GCCOPT) -g -D__COM32__ \
  47             -nostdinc -iwithprefix include -I. -I$(SRC)/sys \
  48             -I$(SRC)/../include -I$(com32)/include/sys \
  49             -I$(topdir)/core/include -I$(com32)/lib/ \
  50             -I$(com32)/lib/sys/module -I$(OBJ)/../..
  51 OPTFLAGS  = -Os -march=$(MARCH) -falign-functions=0 -falign-jumps=0 \
  52             -falign-labels=0 -ffast-math -fomit-frame-pointer
  53 WARNFLAGS = $(GCCWARN) -Wpointer-arith -Wwrite-strings -Wstrict-prototypes -Winline
  54
  55 CFLAGS  = $(OPTFLAGS) $(REQFLAGS) $(WARNFLAGS) $(LIBFLAGS)
  56
  57 VPATH = $(SRC)
  58 LIBOTHER_OBJS = \
  59         atoi.o atol.o atoll.o calloc.o creat.o          \
  60         fgets.o fprintf.o fputc.o       \
  61         putchar.o                               \
  62         getopt.o getopt_long.o                                          \
  63         lrand48.o stack.o memccpy.o memchr.o            \
  64         mempcpy.o memmem.o memmove.o memswap.o  \
  65         perror.o qsort.o seed48.o \
  66         srand48.o sscanf.o strcasecmp.o strcat.o        \
  67         strerror.o errlist.o            \
  68         strnlen.o                                                       \
  69         strncat.o strndup.o             \
  70         stpncpy.o                                               \
  71         strntoimax.o strntoumax.o strsep.o strspn.o strstr.o    \
  72         strtoimax.o strtok.o strtol.o strtoll.o strtoul.o strtoull.o    \
  73         strtoumax.o vprintf.o vsprintf.o                \
  74         asprintf.o vasprintf.o                  \
  75         vsscanf.o                                                       \
  76         skipspace.o                                                     \
  77         chrreplace.o                                                    \
  78         bufprintf.o                                                     \
  79         inet.o dhcppack.o dhcpunpack.o                                  \
  80         strreplace.o                                                    \
  81         lstrdup.o                                               \
  82         \
  83         suffix_number.o                                                 \
  84         \
  85         getcwd.o fdopendir.o    \
  86         \
  87         sys/line_input.o                                \
  88         sys/colortable.o sys/screensize.o                               \
  89         \
  90         sys/stdcon_read.o sys/stdcon_write.o sys/rawcon_read.o          \
  91         sys/rawcon_write.o              \
  92         sys/null_read.o sys/null_write.o sys/serial_write.o             \
  93         \
  94         sys/xserial_write.o                                             \
  95         \
  96         sys/ansi.o                                                      \
  97         \
  98         sys/ansicon_write.o sys/ansiserial_write.o                      \
  99         \
 100         pci/cfgtype.o pci/scan.o pci/bios.o                                     \
 101         pci/readb.o pci/readw.o pci/readl.o                     \
 102         pci/writeb.o pci/writew.o pci/writel.o  \
 103         \
 104         sys/x86_init_fpu.o math/pow.o math/strtod.o                     \
 105         syslinux/disk.o                                                 \
 106         \
 107         syslinux/setup_data.o
 108
 109 ## CORE OBJECTS, INCLUDED IN THE ROOT COM32 MODULE
 110 LIBENTRY_OBJS = \
 111         sys/intcall.o sys/farcall.o sys/cfarcall.o sys/zeroregs.o       \
 112         sys/argv.o sys/sleep.o                                          \
 113         sys/fileinfo.o sys/opendev.o sys/read.o sys/write.o sys/ftell.o \
 114         sys/close.o sys/open.o sys/fileread.o sys/fileclose.o           \
 115         sys/openmem.o                                   \
 116         sys/isatty.o sys/fstat.o                                        \
 117         \
 118         dprintf.o vdprintf.o                                            \
 119         \
 120         syslinux/idle.o                                                 \
 121         \
 122         exit.o
 123
 124 LIBGCC_OBJS = \
 125         libgcc/__ashldi3.o libgcc/__udivdi3.o                   \
 126         libgcc/__negdi2.o libgcc/__ashrdi3.o libgcc/__lshrdi3.o         \
 127         libgcc/__muldi3.o libgcc/__udivmoddi4.o libgcc/__umoddi3.o      \
 128         libgcc/__divdi3.o libgcc/__moddi3.o
 129
 130 LIBCONSOLE_OBJS = \
 131         \
 132         sys/openconsole.o sys/line_input.o                              \
 133         sys/colortable.o sys/screensize.o                               \
 134         \
 135         sys/stdcon_read.o sys/rawcon_read.o             \
 136         sys/rawcon_write.o                                              \
 137         sys/null_write.o sys/serial_write.o             \
 138         \
 139         sys/xserial_write.o                                             \
 140         \
 141         sys/ansi.o                                                      \
 142         \
 143         sys/ansicon_write.o sys/ansiserial_write.o      \
 144         \
 145         syslinux/serial.o
 146
 147 LIBLOAD_OBJS = \
 148         syslinux/addlist.o syslinux/freelist.o syslinux/memmap.o        \
 149         syslinux/movebits.o syslinux/shuffle.o syslinux/shuffle_pm.o    \
 150         syslinux/shuffle_rm.o syslinux/zonelist.o                       \
 151         syslinux/dump_mmap.o syslinux/dump_movelist.o                   \
 152         \
 153         syslinux/run_default.o syslinux/run_command.o                   \
 154         syslinux/cleanup.o syslinux/localboot.o syslinux/runimage.o     \
 155         \
 156         syslinux/loadfile.o syslinux/floadfile.o syslinux/zloadfile.o   \
 157         \
 158         syslinux/load_linux.o syslinux/initramfs.o                      \
 159         syslinux/initramfs_file.o syslinux/initramfs_loadfile.o         \
 160         syslinux/initramfs_archive.o
 161
 162 LIBMODULE_OBJS = \
 163         sys/module/common.o sys/module/$(ARCH)/elf_module.o             \
 164         sys/module/elfutils.o   \
 165         sys/module/exec.o sys/module/elf_module.o
 166
 167 # ZIP library object files
 168 LIBZLIB_OBJS = \
 169         zlib/adler32.o zlib/compress.o zlib/crc32.o                     \
 170         zlib/uncompr.o zlib/deflate.o zlib/trees.o zlib/zutil.o         \
 171         zlib/inflate.o zlib/infback.o zlib/inftrees.o zlib/inffast.o    \
 172         sys/zfile.o sys/zfopen.o
 173
 174 MINLIBOBJS = \
 175         $(addprefix $(OBJ)/,syslinux/ipappend.o \
 176         syslinux/dsinfo.o \
 177         $(LIBOTHER_OBJS) \
 178         $(LIBGCC_OBJS) \
 179         $(LIBCONSOLE_OBJS) \
 180         $(LIBLOAD_OBJS) \
 181         $(LIBZLIB_OBJS))
 182 #       $(LIBVESA_OBJS)
 183
 184 CORELIBOBJS = \
 185         memcpy.o memset.o memcmp.o printf.o strncmp.o vfprintf.o        \
 186         strlen.o vsnprintf.o snprintf.o stpcpy.o strcmp.o strdup.o      \
 187         strcpy.o strncpy.o setjmp.o fopen.o fread.o fread2.o puts.o     \
 188         sprintf.o strlcat.o strchr.o strlcpy.o strncasecmp.o ctypes.o   \
 189         fputs.o fwrite2.o fwrite.o fgetc.o fclose.o errno.o lmalloc.o   \
 190         sys/err_read.o sys/err_write.o sys/null_read.o                  \
 191         sys/stdcon_write.o                                              \
 192         syslinux/memscan.o strrchr.o                                    \
 193         libgcc/__ashldi3.o libgcc/__udivdi3.o                           \
 194         libgcc/__negdi2.o libgcc/__ashrdi3.o libgcc/__lshrdi3.o         \
 195         libgcc/__muldi3.o libgcc/__udivmoddi4.o libgcc/__umoddi3.o      \
 196         libgcc/__divdi3.o libgcc/__moddi3.o                             \
 197         $(LIBENTRY_OBJS) \
 198         $(LIBMODULE_OBJS)
 199
 200 LDFLAGS = -m elf_$(ARCH) --hash-style=gnu -T $(com32)/lib/$(ARCH)/elf.ld
 201
 202 .SUFFIXES: .c .o .a .so .lo .i .S .s .ls .ss .lss
 203
 204 % : %.c # Cancel default rule
 205
 206 % : %.S
 207
 208 %.o: %.c
 209         $(CC) $(MAKEDEPS) $(CFLAGS) -c -o $@ $<
 210
 211 .c.i:
 212         $(CC) $(MAKEDEPS) $(CFLAGS) -E -o $@ $<
 213
 214 %.s: %.c
 215         $(CC) $(MAKEDEPS) $(CFLAGS) -S -o $@ $<
 216
 217 %.o: %.S
 218         $(CC) $(MAKEDEPS) $(CFLAGS) -D__ASSEMBLY__ -c -o $@ $<
 219
 220 .S.s:
 221         $(CC) $(MAKEDEPS) $(CFLAGS) -D__ASSEMBLY__ -E -o $@ $<
 222
 223 .S.lo:
 224         $(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -D__ASSEMBLY__ -c -o $@ $<
 225
 226 .S.ls:
 227         $(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -D__ASSEMBLY__ -E -o $@ $<
 228
 229 %(OBJ)/%.o: $(SRC)/%.s
 230         $(CC) $(MAKEDEPS) $(CFLAGS) -x assembler -c -o $@ $<
 231
 232 .ls.lo:
 233         $(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -x assembler -c -o $@ $<
 234
 235 .c.lo:
 236         $(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -c -o $@ $<
 237
 238 .c.ls:
 239         $(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -S -o $@ $<
 240
 241 %.c32: %.elf
 242         $(OBJCOPY) --strip-debug --strip-unneeded $< $@