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 configuration flags
  36 LIBFLAGS = -DDYNAMIC_CRC_TABLE
  37
  38 # We need some features in libpng which apparently aren't available in the
  39 # fixed-point versions.  It's OK, because we have to have a non-graphical
  40 # fallback anyway, just use that on old machines...
  41 # LIBFLAGS += -DPNG_NO_FLOATING_POINT_SUPPORTED
  42
  43 REQFLAGS  = $(GCCOPT) -g -D__COM32__ -D__FIRMWARE_$(FIRMWARE)__ \
  44             -nostdinc -iwithprefix include -I. -I$(SRC)/sys \
  45             -I$(SRC)/../include -I$(com32)/include/sys \
  46             -I$(topdir)/core/include -I$(com32)/lib/ \
  47             -I$(com32)/lib/sys/module -I$(OBJ)/../..
  48 OPTFLAGS  = -Os -march=$(MARCH) -falign-functions=0 -falign-jumps=0 \
  49             -falign-labels=0 -ffast-math -fomit-frame-pointer
  50 WARNFLAGS = $(GCCWARN) -Wpointer-arith -Wwrite-strings -Wstrict-prototypes -Winline
  51
  52 CFLAGS  = $(OPTFLAGS) $(REQFLAGS) $(WARNFLAGS) $(LIBFLAGS)
  53
  54 ifeq ($(FWCLASS),EFI)
  55 CFLAGS += -mno-red-zone
  56 else
  57 CFLAGS += -mregparm=3 -DREGPARM=3
  58 endif
  59
  60 ARCH_MATH_OBJS = \
  61         $(patsubst $(com32)/lib/%.c,%.o,$(wildcard $(com32)/lib/$(ARCH)/math/*.c)) \
  62         $(patsubst $(com32)/lib/%.S,%.o,$(wildcard $(com32)/lib/$(ARCH)/math/*.S))
  63
  64 VPATH = $(SRC)
  65 LIBOTHER_OBJS = \
  66         atoi.o atol.o atoll.o calloc.o creat.o          \
  67         fgets.o fprintf.o fputc.o       \
  68         putchar.o                               \
  69         getopt.o getopt_long.o                                          \
  70         lrand48.o stack.o memccpy.o memchr.o            \
  71         mempcpy.o memmem.o memmove.o memswap.o  \
  72         perror.o qsort.o seed48.o \
  73         srand48.o sscanf.o                                              \
  74         strerror.o errlist.o            \
  75         strnlen.o                                                       \
  76         strncat.o strndup.o             \
  77         stpncpy.o                                               \
  78         strntoimax.o strsep.o strspn.o strstr.o                         \
  79         strtoimax.o strtok.o strtol.o strtoll.o strtoull.o              \
  80         strtoumax.o vprintf.o vsprintf.o                \
  81         asprintf.o vasprintf.o                  \
  82         vsscanf.o                                                       \
  83         skipspace.o                                                     \
  84         chrreplace.o                                                    \
  85         bufprintf.o                                                     \
  86         inet.o dhcppack.o dhcpunpack.o                                  \
  87         strreplace.o                                                    \
  88         lstrdup.o                                               \
  89         \
  90         suffix_number.o                                                 \
  91         \
  92         getcwd.o fdopendir.o    \
  93         \
  94         sys/line_input.o                                \
  95         sys/colortable.o sys/screensize.o                               \
  96         \
  97         sys/stdcon_read.o sys/stdcon_write.o sys/rawcon_read.o          \
  98         sys/rawcon_write.o              \
  99         sys/null_read.o sys/null_write.o sys/serial_write.o             \
 100         \
 101         sys/xserial_write.o                                             \
 102         \
 103         sys/ansi.o                                                      \
 104         \
 105         sys/ansicon_write.o sys/ansiserial_write.o                      \
 106         \
 107         pci/cfgtype.o pci/scan.o pci/bios.o                                     \
 108         pci/readb.o pci/readw.o pci/readl.o                     \
 109         pci/writeb.o pci/writew.o pci/writel.o  \
 110         \
 111         math/strtod.o                                                   \
 112         $(ARCH_MATH_OBJS)                                               \
 113         syslinux/disk.o                                                 \
 114         \
 115         syslinux/setup_data.o
 116
 117 ## CORE OBJECTS, INCLUDED IN THE ROOT COM32 MODULE
 118 LIBENTRY_OBJS = \
 119         sys/intcall.o sys/farcall.o sys/cfarcall.o sys/zeroregs.o       \
 120         sys/argv.o sys/sleep.o                                          \
 121         sys/fileinfo.o sys/opendev.o sys/read.o sys/write.o sys/ftell.o \
 122         sys/close.o sys/open.o sys/fileread.o sys/fileclose.o           \
 123         sys/openmem.o                                   \
 124         sys/isatty.o sys/fstat.o                                        \
 125         \
 126         dprintf.o vdprintf.o                                            \
 127         \
 128         syslinux/idle.o                                                 \
 129         \
 130         exit.o
 131
 132 LIBGCC_OBJS = \
 133           $(patsubst $(com32)/lib/%.c,%.o,$(wildcard $(com32)/lib/$(ARCH)/libgcc/*.c)) \
 134           $(patsubst $(com32)/lib/%.S,%.o,$(wildcard $(com32)/lib/$(ARCH)/libgcc/*.S))
 135
 136 LIBCONSOLE_OBJS = \
 137         \
 138         sys/openconsole.o sys/line_input.o                              \
 139         sys/colortable.o sys/screensize.o                               \
 140         \
 141         sys/stdcon_read.o sys/rawcon_read.o             \
 142         sys/rawcon_write.o                                              \
 143         sys/null_write.o sys/serial_write.o             \
 144         \
 145         sys/xserial_write.o                                             \
 146         \
 147         sys/ansi.o                                                      \
 148         \
 149         sys/ansicon_write.o sys/ansiserial_write.o      \
 150         \
 151         syslinux/serial.o
 152
 153 LIBLOAD_OBJS = \
 154         syslinux/addlist.o syslinux/freelist.o syslinux/memmap.o        \
 155         syslinux/movebits.o syslinux/shuffle.o syslinux/shuffle_pm.o    \
 156         syslinux/shuffle_rm.o syslinux/biosboot.o syslinux/zonelist.o   \
 157         syslinux/dump_mmap.o syslinux/dump_movelist.o                   \
 158         \
 159         syslinux/run_default.o syslinux/run_command.o                   \
 160         syslinux/cleanup.o syslinux/localboot.o syslinux/runimage.o     \
 161         \
 162         syslinux/loadfile.o syslinux/floadfile.o syslinux/zloadfile.o   \
 163         \
 164         syslinux/load_linux.o syslinux/initramfs.o                      \
 165         syslinux/initramfs_file.o syslinux/initramfs_loadfile.o         \
 166         syslinux/initramfs_archive.o
 167
 168 LIBMODULE_OBJS = \
 169         sys/module/common.o sys/module/$(ARCH)/elf_module.o             \
 170         sys/module/elfutils.o   \
 171         sys/module/exec.o sys/module/elf_module.o
 172
 173 # ZIP library object files
 174 LIBZLIB_OBJS = \
 175         zlib/adler32.o zlib/compress.o zlib/crc32.o                     \
 176         zlib/uncompr.o zlib/deflate.o zlib/trees.o zlib/zutil.o         \
 177         zlib/inflate.o zlib/infback.o zlib/inftrees.o zlib/inffast.o    \
 178         sys/zfile.o sys/zfopen.o
 179
 180 MINLIBOBJS = \
 181         $(addprefix $(OBJ)/,syslinux/ipappend.o \
 182         syslinux/dsinfo.o \
 183         $(LIBOTHER_OBJS) \
 184         $(LIBGCC_OBJS) \
 185         $(LIBCONSOLE_OBJS) \
 186         $(LIBLOAD_OBJS) \
 187         $(LIBZLIB_OBJS))
 188 #       $(LIBVESA_OBJS)
 189
 190 CORELIBOBJS = \
 191         memcmp.o printf.o strncmp.o vfprintf.o  \
 192         strlen.o vsnprintf.o snprintf.o stpcpy.o strcmp.o strdup.o      \
 193         strcpy.o strncpy.o fopen.o fread.o fread2.o puts.o      \
 194         strtoul.o strntoumax.o strcasecmp.o                             \
 195         sprintf.o strlcat.o strchr.o strlcpy.o strncasecmp.o ctypes.o   \
 196         fputs.o fwrite2.o fwrite.o fgetc.o fclose.o lmalloc.o           \
 197         sys/err_read.o sys/err_write.o sys/null_read.o                  \
 198         sys/stdcon_write.o                                              \
 199         syslinux/memscan.o strrchr.o strcat.o                           \
 200         syslinux/debug.o                                                \
 201         $(LIBGCC_OBJS) \
 202         $(LIBENTRY_OBJS) \
 203         $(LIBMODULE_OBJS)
 204
 205 ifneq ($(FWCLASS),EFI)
 206 # For EFI, these are part of gnu-efi
 207 CORELIBOBJS += $(ARCH)/setjmp.o memcpy.o memset.o
 208 endif
 209
 210 LDFLAGS = -m elf_$(ARCH) --hash-style=gnu -T $(com32)/lib/$(ARCH)/elf.ld
 211
 212 .SUFFIXES: .c .o .a .so .lo .i .S .s .ls .ss .lss
 213
 214 % : %.c # Cancel default rule
 215
 216 % : %.S
 217
 218 %.o: %.c
 219         $(CC) $(MAKEDEPS) $(CFLAGS) -c -o $@ $<
 220
 221 .c.i:
 222         $(CC) $(MAKEDEPS) $(CFLAGS) -E -o $@ $<
 223
 224 %.s: %.c
 225         $(CC) $(MAKEDEPS) $(CFLAGS) -S -o $@ $<
 226
 227 %.o: %.S
 228         $(CC) $(MAKEDEPS) $(CFLAGS) -D__ASSEMBLY__ -c -o $@ $<
 229
 230 .S.s:
 231         $(CC) $(MAKEDEPS) $(CFLAGS) -D__ASSEMBLY__ -E -o $@ $<
 232
 233 .S.lo:
 234         $(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -D__ASSEMBLY__ -c -o $@ $<
 235
 236 .S.ls:
 237         $(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -D__ASSEMBLY__ -E -o $@ $<
 238
 239 %(OBJ)/%.o: $(SRC)/%.s
 240         $(CC) $(MAKEDEPS) $(CFLAGS) -x assembler -c -o $@ $<
 241
 242 .ls.lo:
 243         $(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -x assembler -c -o $@ $<
 244
 245 .c.lo:
 246         $(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -c -o $@ $<
 247
 248 .c.ls:
 249         $(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -S -o $@ $<
 250
 251 %.c32: %.elf
 252         $(OBJCOPY) --strip-debug --strip-unneeded $< $@