efi/Makefile

   1 ## -----------------------------------------------------------------------
   2 ##
   3 ##   Copyright 2011 Intel Corporation; author: Matt Fleming
   4 ##
   5 ##   This program is free software; you can redistribute it and/or modify
   6 ##   it under the terms of the GNU General Public License as published by
   7 ##   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
   8 ##   Boston MA 02111-1307, USA; either version 2 of the License, or
   9 ##   (at your option) any later version; incorporated herein by reference.
  10 ##
  11 ## -----------------------------------------------------------------------
  12
  13 VPATH = $(SRC)
  14 include $(MAKEDIR)/lib.mk
  15 include $(MAKEDIR)/efi.mk
  16
  17 CC_FOR_BUILD ?= $(CC)
  18
  19 # Upstream gnu-efi has old-style function definitions.
  20 CFLAGS += -Wno-strict-prototypes
  21
  22 CORE_CSRC := $(sort $(shell find '$(core)' -name '*.c' -print))
  23 CORE_COBJ := $(subst $(core),$(OBJ)/../core,$(patsubst %.c,%.o,$(CORE_CSRC)))
  24
  25 # We don't want to include any of the networking stack or the thread
  26 # code since it will be implemented completely differently for EFI.
  27 FILTERED_OBJS := $(OBJ)/../core/bios/% \
  28                  $(patsubst $(core)/%,$(OBJ)/../core/%/%,\
  29                         $(shell find '$(core)' -type d -name tests))
  30
  31 CORE_OBJS = $(filter-out $(FILTERED_OBJS),$(CORE_COBJ))
  32
  33 LIB_OBJS = $(addprefix $(objdir)/com32/lib/,$(CORELIBOBJS)) \
  34         $(LIBEFI)
  35
  36 CSRC = $(sort $(wildcard $(SRC)/*.c))
  37 OBJS = $(subst $(SRC)/,,$(filter-out %wrapper.o, $(patsubst %.c,%.o,$(CSRC))))
  38
  39 OBJS += $(objdir)/core/codepage.o $(ARCH)/linux.o
  40
  41 # The DATE is set on the make command line when building binaries for
  42 # official release.  Otherwise, substitute a hex string that is pretty much
  43 # guaranteed to be unique to be unique from build to build.
  44 ifndef HEXDATE
  45 HEXDATE := $(shell $(PERL) $(SRC)/../now.pl $(SRCS))
  46 endif
  47 ifndef DATE
  48 DATE    := $(shell sh $(SRC)/../gen-id.sh $(VERSION) $(HEXDATE))
  49 endif
  50 CFLAGS          += -DDATE_STR='"$(DATE)"'
  51
  52 $(OBJ)/$(ARCH):
  53         mkdir -p $@
  54
  55 $(OBJS): | $(OBJ)/$(ARCH)
  56
  57 # The targets to build in this directory
  58 BTARGET  = syslinux.efi
  59
  60 syslinux.so: $(OBJS) $(CORE_OBJS) $(LIB_OBJS)
  61         $(LD) $(LDFLAGS) --strip-debug -o $@ $^ -lgnuefi -lefi
  62
  63 # We need to rename the .hash section because the EFI firmware
  64 # linker really doesn't like it.
  65 # $(OBJCOPY) --rename-section .gnu.hash=.sdata,load,data,alloc $^ $@
  66 #syslinux.so: syslinux1.so
  67 #       cp $^ $@
  68
  69 wrapper: wrapper.c
  70         $(CC_FOR_BUILD) $^ -o $@
  71
  72 #
  73 # Build the wrapper app and wrap our .so to produce a .efi
  74 syslinux.efi: syslinux.so wrapper
  75         $(OBJ)/wrapper syslinux.so $@
  76
  77 all: $(BTARGET)
  78
  79 codepage.o: ../codepage/cp865.cp
  80         cp $(objdir)/../codepage/cp865.cp codepage.cp
  81         $(CC) $(SFLAGS) -c -o $@ $(core)/codepage.S
  82
  83 install:
  84         install -m 755 $(BTARGET) $(INSTALLROOT)$(AUXDIR)
  85
  86 strip:
  87
  88 tidy dist:
  89         rm -f *.so *.o wrapper
  90         find . \( -name \*.o -o -name \*.a -o -name .\*.d -o -name \*.tmp \) -print0 | \
  91                 xargs -0r rm -f
  92         $(topdir)/efi/clean-gnu-efi.sh $(EFI_SUBARCH) $(objdir)
  93
  94 clean: tidy
  95
  96 spotless: clean
  97         rm -f $(BTARGET)