DS: Started work on a new build system for the Nintendo DS port, based on configure (and thus suitable for buildbot). Currently only the ARM7 part is 'done'

svn-id: r42939

2 files changed, 182 insertions, 0 deletions

diff --git a/backends/platform/ds/ds.mk b/backends/platform/ds/ds.mk
new file mode 100644
index 0000000000..aeba1820c6
--- /dev/null
+++ b/backends/platform/ds/ds.mk
@@ -0,0 +1,111 @@
+# Repeat "all" target here, to make sure it is the first target
+# Currently disabled, so only arm7.bin gets build
+#all:
+
+
+
+# Files in this list will be optimisied for speed, otherwise they will be optimised for space
+OPTLIST := actor.cpp ds_main.cpp osystem_ds.cpp blitters.cpp fmopl.cpp rate.cpp isomap.cpp image.cpp gfx.cpp sprite.cpp actor_path.cpp actor_walk.cpp
+#OPTLIST :=
+
+# Compiler options for files which should be optimised for speed
+OPT_SPEED := -O3
+
+# Compiler options for files which should be optimised for space
+OPT_SIZE := -Os -mthumb
+
+
+#-mthumb -fno-gcse -fno-schedule-insns2
+
+
+OBJS := $(DATA_OBJS) $(LIBCARTRESET_OBJS) $(PORT_OBJS) $(COMPRESSOR_OBJS) $(FAT_OBJS)
+
+
+# TODO: Handle files in OPTLIST.
+#   For this, the list should be made explicit. So, replace actor.cpp by path/to/actor.cpp --
+#   in fact, there are several actor.cpp files, and right now all are "optimized", but
+#   I think Neil only had the SAGA one in mind. Same for gfx.cpp
+
+
+
+
+
+
+#############################################################################
+#############################################################################
+#############################################################################
+
+
+#ndsdir = $(srcdir)/backends/platform/ds
+ndsdir = backends/platform/ds
+
+#############################################################################
+#
+# ARM7 rules.
+# For ARM7 files, we need different compiler flags, which leads to the
+# extra rules for .o files below
+#
+#############################################################################
+
+$(ndsdir)/arm7/arm7.bin: $(ndsdir)/arm7/arm7.elf
+
+$(ndsdir)/arm7/arm7.elf: \
+	$(ndsdir)/arm7/source/libcartreset/cartreset.o \
+	$(ndsdir)/arm7/source/main.o
+
+# HACK/FIXME: C compiler, for cartreset.c -- we should switch this to use CXX
+# as soon as possible.
+CC := $(DEVKITARM)/bin/arm-eabi-gcc
+
+# HACK/TODO: Pointer to objcopy. This should really be set by configure
+OBJCOPY := $(DEVKITARM)/bin/arm-eabi-objcopy
+
+#
+# Set various flags
+#
+ARM7_ARCH	:=	-mthumb-interwork
+
+# note: arm9tdmi isn't the correct CPU arch, but anything newer and LD
+# *insists* it has a FPU or VFP, and it won't take no for an answer!
+ARM7_CFLAGS	:=	-g -Wall -O2\
+		-mcpu=arm7tdmi -mtune=arm7tdmi -fomit-frame-pointer\
+		-ffast-math \
+		$(ARM7_ARCH) \
+		-I$(srcdir)/$(ndsdir)/arm7/source/libcartreset \
+		-I$(srcdir)/$(ndsdir)/commoninclude \
+		-I$(DEVKITPRO)/libnds/include \
+		-I$(DEVKITPRO)/libnds/include/nds \
+		-DARM7
+
+ARM7_CXXFLAGS	:= $(ARM7_CFLAGS) -fno-exceptions -fno-rtti
+
+ARM7_LDFLAGS	:= -g $(ARM7_ARCH) -mno-fpu
+
+# HACK/FIXME: Define a custom build rule for cartreset.c.
+# We do this because it is a .c file, not a .cpp file and so is outside our
+# regular build system anyway. But this is *bad*. It should be changed into a
+# .cpp file and this rule be removed.
+%.o: %.c
+	$(MKDIR) $(*D)/$(DEPDIR)
+	$(CC) -Wp,-MMD,"$(*D)/$(DEPDIR)/$(*F).d",-MQ,"$@",-MP $(CXXFLAGS) $(CPPFLAGS) -c $(<) -o $*.o
+
+
+# Set custom build flags for cartreset.o
+$(ndsdir)/arm7/source/libcartreset/cartreset.o: CXXFLAGS=$(ARM7_CFLAGS)
+$(ndsdir)/arm7/source/libcartreset/cartreset.o: CPPFLAGS=
+
+# Set custom build flags for main.o
+$(ndsdir)/arm7/source/main.o: CXXFLAGS=$(ARM7_CXXFLAGS)
+$(ndsdir)/arm7/source/main.o: CPPFLAGS=
+
+# Rule for creating ARM7 .bin files from .elf files
+%.bin: %.elf
+	@echo ------
+	@echo Building $@...
+	$(OBJCOPY) -O binary  $< $@
+
+# Rule for creating ARM7 .elf files by linking .o files together with a special linker script
+%.elf:
+	@echo ------
+	@echo Building $@...
+	$(CXX)  $(ARM7_LDFLAGS) -specs=ds_arm7.specs $+ -L/opt/devkitPro/libnds/lib -lnds7  -o $@
diff --git a/backends/platform/ds/module.mk b/backends/platform/ds/module.mk
new file mode 100644
index 0000000000..16630dc070
--- /dev/null
+++ b/backends/platform/ds/module.mk
@@ -0,0 +1,71 @@
+MODULE := backends/platform/ds
+
+ARM7_MODULE_OBJS := \
+	arm7/source/main.o \
+	arm7/source/libcartreset/cartreset.o \
+
+PORT_OBJS := \
+	arm9/source/blitters_arm.o \
+	arm9/source/cdaudio.o \
+	arm9/source/dsmain.o \
+	../../fs/ds/ds-fs.o \
+	arm9/source/gbampsave.o \
+	arm9/source/scummhelp.o \
+	arm9/source/osystem_ds.o \
+	arm9/source/portdefs.o \
+	arm9/source/ramsave.o \
+	arm9/source/touchkeyboard.o \
+	arm9/source/zipreader.o \
+	arm9/source/dsoptions.o \
+	arm9/source/keys.o \
+	arm9/source/wordcompletion.o \
+	arm9/source/interrupt.o
+
+ifdef USE_PROFILER
+	PORT_OBJS += arm9/source/profiler/cyg-profile.o
+endif
+
+DATA_OBJS := \
+	arm9/data/icons.o \
+	arm9/data/keyboard.o \
+	arm9/data/keyboard_pal.o \
+	arm9/data/default_font.o \
+	arm9/data/8x8font_tga.o
+
+COMPRESSOR_OBJS := #arm9/source/compressor/lz.o
+
+FAT_OBJS :=  arm9/source/fat/disc_io.o arm9/source/fat/gba_nds_fat.o\
+	arm9/source/fat/io_fcsr.o \
+	arm9/source/fat/io_m3cf.o \
+	arm9/source/fat/io_mpcf.o \
+	arm9/source/fat/io_sccf.o \
+	arm9/source/fat/io_m3sd.o \
+	arm9/source/fat/io_nmmc.o \
+	arm9/source/fat/io_scsd.o \
+	arm9/source/fat/io_scsd_asm.o \
+	arm9/source/fat/io_njsd.o \
+	arm9/source/fat/io_mmcf.o \
+	arm9/source/fat/io_sd_common.o \
+	arm9/source/fat/io_m3_common.o \
+	arm9/source/fat/io_dldi.o \
+	arm9/source/fat/m3sd.o
+
+
+#	arm9/source/fat/io_cf_common.o arm9/source/fat/io_m3_common.o\
+#	arm9/source/fat/io_sd_common.o arm9/source/fat/io_scsd_s.o \
+#	arm9/source/fat/io_sc_common.o arm9/source/fat/io_sd_common.o
+
+LIBCARTRESET_OBJS := 
+	#arm9/source/libcartreset/cartreset.o
+
+
+MODULE_OBJS :=
+
+
+
+# TODO: Should add more dirs to MODULE_DIRS so that "make distclean" can remove .deps dirs.
+MODULE_DIRS += \
+	backends/platform/ds/
+
+# We don't use the rules.mk here on purpose
+OBJS := $(addprefix $(MODULE)/, $(MODULE_OBJS)) $(OBJS)