Revamp all the Makefiles (thanks @fincs @WinterMute)

... dependencies are now properly handled (e.g. header changes, etc.)

.gitignore

@@ -11,6 +11,7 @@
 *.ilk
 *.map
 *.exp
+*.lst
 
 # Precompiled Headers
 *.gch
@@ -60,25 +61,8 @@ dkms.conf
 
 .**/
 
-exosphere/bpmpfw/out/**
+# NOTE: make sure to make exceptions to this pattern when needed!
-exosphere/bpmpfw/build/**
+*.bin
-exosphere/build/**
+
-exosphere/out/**
+**/out
-fusee/fusee-primary/out/**
+**/build
-fusee/fusee-primary/build/**
-fusee/fusee-secondary/out/**
-fusee/fusee-secondary/build/**
-fusee/fusee-tertiary/out/**
-fusee/fusee-tertiary/build/**
-fusee/out/**
-fusee/build/**
-stratosphere/loader/out/**
-stratosphere/loader/build/**
-stratosphere/sm/out/**
-stratosphere/sm/build/**
-stratosphere/pm/out/**
-stratosphere/pm/build/**
-stratosphere/boot/out/**
-stratosphere/boot/build/**
-stratosphere/boot2/out/**
-stratosphere/boot2/build/**

Makefile

@@ -1,12 +1,10 @@
-SUBFOLDERS := exosphere fusee stratosphere thermosphere
-
 TOPTARGETS := all clean
 
-$(TOPTARGETS): $(SUBFOLDERS)
+all: fusee
+fusee:
+	$(MAKE) -C $@ all
 
-$(SUBFOLDERS):
+clean:
-	$(MAKE) -C $@ $(MAKECMDGOALS)
+	$(MAKE) -C fusee clean
 
-fusee: exosphere thermosphere stratosphere
+.PHONY: $(TOPTARGETS) fusee
- 
-.PHONY: $(TOPTARGETS) $(SUBFOLDERS)

exosphere/Makefile

@@ -1,24 +1,33 @@
-rwildcard = $(foreach d, $(wildcard $1*), $(filter $(subst *, %, $2), $d) $(call rwildcard, $d/, $2))
+#---------------------------------------------------------------------------------
+.SUFFIXES:
+#---------------------------------------------------------------------------------
 
 ifeq ($(strip $(DEVKITPRO)),)
-$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>devkitPro")
+$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>/devkitpro")
 endif
 
-include $(DEVKITPRO)/devkitA64/base_tools
+TOPDIR ?= $(CURDIR)
+include $(DEVKITPRO)/devkitA64/base_rules
 
-name := exosphere
+#---------------------------------------------------------------------------------
+# TARGET is the name of the output
+# BUILD is the directory where object files & intermediate files will be placed
+# SOURCES is a list of directories containing source code
+# DATA is a list of directories containing data files
+# INCLUDES is a list of directories containing header files
+#---------------------------------------------------------------------------------
+TARGET		:=	$(notdir $(CURDIR))
+BUILD		:=	build
+SOURCES		:=	src src/dbg
+DATA		:=	data
+INCLUDES	:=	include
 
-dir_source := src
+#---------------------------------------------------------------------------------
-dir_build := build
+# options for code generation
-dir_out := out
+#---------------------------------------------------------------------------------
-dir_bpmpfw := bpmpfw
+ARCH	:=	-march=armv8-a -mtune=cortex-a57
-
+DEFINES	:=	-D__CCPLEX__
-ARCH := -march=armv8-a -mtune=cortex-a57
+CFLAGS	:= \
-
-ASFLAGS := -g $(ARCH)
-
-CFLAGS = \
-	$(ARCH) \
 	-g \
 	-O2 \
 	-ffunction-sections \
@@ -26,51 +35,124 @@ CFLAGS = \
 	-fomit-frame-pointer \
 	-std=gnu11 \
 	-Werror \
-	-Wall
+	-Wall \
+	$(ARCH) $(DEFINES)
 
-LDFLAGS = -specs=linker.specs -g $(ARCH)
+CFLAGS	+=	$(INCLUDE)
 
-objects =	$(patsubst $(dir_source)/%.s, $(dir_build)/%.o, \
+CXXFLAGS	:= $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11
-			$(patsubst $(dir_source)/%.c, $(dir_build)/%.o, \
-			$(call rwildcard, $(dir_source), *.s *.c))) \
-			$(dir_build)/bpmpfw.bin.o
 
-define bin2o
+ASFLAGS	:=	-g $(ARCH)
-	bin2s $< | $(AS) -o $(@)
+LDFLAGS	=	-specs=$(TOPDIR)/linker.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
-endef
 
-.PHONY: all
+LIBS	:=
-all: $(dir_out)/$(name).bin
 
-.PHONY: clean
+#---------------------------------------------------------------------------------
+# list of directories containing libraries, this must be the top level containing
+# include and lib
+#---------------------------------------------------------------------------------
+LIBDIRS	:=
+
+
+#---------------------------------------------------------------------------------
+# no real need to edit anything past this point unless you need to add additional
+# rules for different file extensions
+#---------------------------------------------------------------------------------
+ifneq ($(BUILD),$(notdir $(CURDIR)))
+#---------------------------------------------------------------------------------
+
+export OUTPUT	:=	$(CURDIR)/$(TARGET)
+export TOPDIR	:=	$(CURDIR)
+
+export VPATH	:=	$(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
+			$(foreach dir,$(DATA),$(CURDIR)/$(dir)) \
+			$(TOPDIR)/bpmpfw
+
+export DEPSDIR	:=	$(CURDIR)/$(BUILD)
+
+CFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
+CPPFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
+SFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
+BINFILES	:=	$(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*))) bpmpfw.bin
+
+#---------------------------------------------------------------------------------
+# use CXX for linking C++ projects, CC for standard C
+#---------------------------------------------------------------------------------
+ifeq ($(strip $(CPPFILES)),)
+#---------------------------------------------------------------------------------
+	export LD	:=	$(CC)
+#---------------------------------------------------------------------------------
+else
+#---------------------------------------------------------------------------------
+	export LD	:=	$(CXX)
+#---------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------
+
+export OFILES_BIN	:=	$(addsuffix .o,$(BINFILES))
+export OFILES_SRC	:=	$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
+export OFILES 		:=	$(OFILES_BIN) $(OFILES_SRC)
+export HFILES_BIN	:=	$(addsuffix .h,$(subst .,_,$(BINFILES)))
+
+export INCLUDE	:=	$(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
+			$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
+			-I$(CURDIR)/$(BUILD)
+
+export LIBPATHS	:=	$(foreach dir,$(LIBDIRS),-L$(dir)/lib)
+
+.PHONY: $(BUILD) build_bpmpfw clean all
+
+#---------------------------------------------------------------------------------
+all: $(BUILD)
+
+check_bpmpfw:
+	@$(MAKE) -C bpmpfw all
+
+$(BUILD): check_bpmpfw
+	@[ -d $@ ] || mkdir -p $@
+	@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
+
+#---------------------------------------------------------------------------------
 clean:
-	@$(MAKE) -C $(dir_bpmpfw) clean
+	@echo clean ...
-	@rm -rf $(dir_build)
+	@$(MAKE) -C $(TOPDIR)/bpmpfw clean
-	@rm -rf $(dir_out)
+	@rm -fr $(BUILD) $(TARGET).bin $(TARGET).elf
 
-.PHONY: $(dir_bpmpfw)
 
-$(dir_out)/$(name).bin: $(dir_build)/$(name).elf
+#---------------------------------------------------------------------------------
-	@mkdir -p "$(@D)"
+else
+.PHONY:	all
+
+DEPENDS	:=	$(OFILES:.o=.d)
+
+#---------------------------------------------------------------------------------
+# main targets
+#---------------------------------------------------------------------------------
+all	:	$(OUTPUT).bin
+
+$(OUTPUT).bin	:	$(OUTPUT).elf
 	$(OBJCOPY) -S -O binary $< $@
+	@echo built ... $(notdir $@)
 
-$(dir_build)/$(name).elf: $(objects)
+$(OUTPUT).elf	:	$(OFILES)
-	$(LINK.o) $(OUTPUT_OPTION) $^
 
-$(dir_bpmpfw)/out/bpmpfw.bin: $(dir_bpmpfw)
+%.elf:
-	@$(MAKE) -C $<
+	@echo linking $(notdir $@)
+	$(LD) $(LDFLAGS) $(OFILES) $(LIBPATHS) $(LIBS) -o $@
+	@$(NM) -CSn $@ > $(notdir $*.lst)
 
-$(dir_build)/bpmpfw.bin: $(dir_bpmpfw)/out/bpmpfw.bin
+$(OFILES_SRC)	: $(HFILES_BIN)
-	@mkdir -p "$(@D)"
-	@cp $< $(@D)
 
-$(dir_build)/%.bin.o: $(dir_build)/%.bin
+#---------------------------------------------------------------------------------
+# you need a rule like this for each extension you use as binary data
+#---------------------------------------------------------------------------------
+%.bin.o	%_bin.h:	%.bin
+#---------------------------------------------------------------------------------
+	@echo $(notdir $<)
 	@$(bin2o)
 
-$(dir_build)/%.o: $(dir_source)/%.c
+-include $(DEPENDS)
-	@mkdir -p "$(@D)"
-	$(COMPILE.c) $(OUTPUT_OPTION) $<
 
-$(dir_build)/%.o: $(dir_source)/%.s
+#---------------------------------------------------------------------------------------
-	@mkdir -p "$(@D)"
+endif
-	$(COMPILE.c) -x assembler-with-cpp $(OUTPUT_OPTION) $<
+#---------------------------------------------------------------------------------------

exosphere/bpmpfw/Makefile

@@ -1,61 +1,154 @@
-rwildcard = $(foreach d, $(wildcard $1*), $(filter $(subst *, %, $2), $d) $(call rwildcard, $d/, $2))
+#---------------------------------------------------------------------------------
+.SUFFIXES:
+#---------------------------------------------------------------------------------
 
 ifeq ($(strip $(DEVKITARM)),)
 $(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
 endif
 
-include $(DEVKITARM)/base_tools
+TOPDIR ?= $(CURDIR)
+include $(DEVKITARM)/base_rules
 
-name := bpmpfw
+#---------------------------------------------------------------------------------
+# TARGET is the name of the output
+# BUILD is the directory where object files & intermediate files will be placed
+# SOURCES is a list of directories containing source code
+# DATA is a list of directories containing data files
+# INCLUDES is a list of directories containing header files
+#---------------------------------------------------------------------------------
+TARGET		:=	$(notdir $(CURDIR))
+BUILD		:=	build
+SOURCES		:=	src
+DATA		:=	data
+INCLUDES	:=	include
 
-dir_source := src
+#---------------------------------------------------------------------------------
-dir_build := build
+# options for code generation
-dir_out := out
+#---------------------------------------------------------------------------------
+ARCH	:=	-march=armv4t -mtune=arm7tdmi -mthumb -mthumb-interwork
 
-ARCH := -march=armv4t -mtune=arm7tdmi -mthumb -mthumb-interwork
+CFLAGS	:= \
+		-g \
+		-O2 \
+		-ffunction-sections \
+		-fdata-sections \
+		-fomit-frame-pointer \
+		-fno-inline \
+		-std=gnu11 \
+		-Werror \
+		-Wall \
+		$(ARCH) $(DEFINES)
 
-ASFLAGS := -g $(ARCH)
+CFLAGS	+=	$(INCLUDE) -D__BPMP__
 
-CFLAGS = \
+CXXFLAGS	:= $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11
-	$(ARCH) \
-	-g \
-	-O2 \
-	-ffunction-sections \
-	-fdata-sections \
-	-fomit-frame-pointer \
-	-fno-inline \
-	-std=gnu11 \
-	-Werror \
-	-Wall
 
-LDFLAGS = -g $(ARCH) -nostartfiles -nostdlib -Wl,--nmagic,--gc-sections
+ASFLAGS	:=	-g $(ARCH)
+LDFLAGS	=	-specs=$(TOPDIR)/linker.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
 
-objects = $(patsubst $(dir_source)/%.s, $(dir_build)/%.o, \
+LIBS	:=
-          $(patsubst $(dir_source)/%.c, $(dir_build)/%.o, \
-          $(call rwildcard, $(dir_source), *.s *.c)))
 
-.PHONY: all
+#---------------------------------------------------------------------------------
-all: $(dir_out)/$(name).bin
+# list of directories containing libraries, this must be the top level containing
+# include and lib
+#---------------------------------------------------------------------------------
+LIBDIRS	:=
 
-.PHONY: clean
+
+#---------------------------------------------------------------------------------
+# no real need to edit anything past this point unless you need to add additional
+# rules for different file extensions
+#---------------------------------------------------------------------------------
+ifneq ($(BUILD),$(notdir $(CURDIR)))
+#---------------------------------------------------------------------------------
+
+export OUTPUT	:=	$(CURDIR)/$(TARGET)
+export TOPDIR	:=	$(CURDIR)
+
+export VPATH	:=	$(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
+			$(foreach dir,$(DATA),$(CURDIR)/$(dir))
+
+export DEPSDIR	:=	$(CURDIR)/$(BUILD)
+
+CFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
+CPPFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
+SFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
+BINFILES	:=	$(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
+
+#---------------------------------------------------------------------------------
+# use CXX for linking C++ projects, CC for standard C
+#---------------------------------------------------------------------------------
+ifeq ($(strip $(CPPFILES)),)
+#---------------------------------------------------------------------------------
+	export LD	:=	$(CC)
+#---------------------------------------------------------------------------------
+else
+#---------------------------------------------------------------------------------
+	export LD	:=	$(CXX)
+#---------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------
+
+export OFILES_BIN	:=	$(addsuffix .o,$(BINFILES))
+export OFILES_SRC	:=	$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
+export OFILES 		:=	$(OFILES_BIN) $(OFILES_SRC)
+export HFILES_BIN	:=	$(addsuffix .h,$(subst .,_,$(BINFILES)))
+
+export INCLUDE	:=	$(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
+			$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
+			-I$(CURDIR)/$(BUILD)
+
+export LIBPATHS	:=	$(foreach dir,$(LIBDIRS),-L$(dir)/lib)
+
+.PHONY: $(BUILD) clean all
+
+#---------------------------------------------------------------------------------
+all: $(BUILD)
+
+$(BUILD):
+	@[ -d $@ ] || mkdir -p $@
+	@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
+
+#---------------------------------------------------------------------------------
 clean:
-	@rm -rf $(dir_build)
+	@echo clean ...
-	@rm -rf $(dir_out)
+	@rm -fr $(BUILD) $(TARGET).bin $(TARGET).elf
 
-$(dir_out)/$(name).bin: $(dir_build)/$(name).elf
+
-	@mkdir -p "$(@D)"
+#---------------------------------------------------------------------------------
+else
+.PHONY:	all
+
+DEPENDS	:=	$(OFILES:.o=.d)
+
+#---------------------------------------------------------------------------------
+# main targets
+#---------------------------------------------------------------------------------
+all	:	$(OUTPUT).bin
+
+$(OUTPUT).bin	:	$(OUTPUT).elf
 	$(OBJCOPY) -S -O binary $< $@
+	@echo built ... $(notdir $@)
 
-$(dir_build)/$(name).elf: $(objects)
+$(OUTPUT).elf	:	$(OFILES)
-	$(LINK.o) -T linker.ld $(OUTPUT_OPTION) $^
 
-$(dir_build)/%.bin.o: $(dir_build)/%.bin
+%.elf: $(OFILES)
+	@echo linking $(notdir $@)
+	@$(LD) $(LDFLAGS) $(OFILES) $(LIBPATHS) $(LIBS) -o $@
+	@$(NM) -CSn $@ > $(notdir $*.lst)
+
+$(OFILES_SRC)	: $(HFILES_BIN)
+
+#---------------------------------------------------------------------------------
+# you need a rule like this for each extension you use as binary data
+#---------------------------------------------------------------------------------
+%.bin.o	:	%.bin
+#---------------------------------------------------------------------------------
+	@echo $(notdir $<)
 	@$(bin2o)
 
-$(dir_build)/%.o: $(dir_source)/%.c
+-include $(DEPENDS)
-	@mkdir -p "$(@D)"
-	$(COMPILE.c) $(OUTPUT_OPTION) $<
 
-$(dir_build)/%.o: $(dir_source)/%.s
+#---------------------------------------------------------------------------------------
-	@mkdir -p "$(@D)"
+endif
-	$(COMPILE.c) -x assembler-with-cpp $(OUTPUT_OPTION) $<
+#---------------------------------------------------------------------------------------

exosphere/bpmpfw/linker.specs

@@ -0,0 +1,7 @@
+%rename link                old_link
+
+*link:
+%(old_link) -T %:getenv(TOPDIR /linker.ld) --nmagic --gc-sections
+
+*startfile:
+crti%O%s crtbegin%O%s

exosphere/linker.ld

@@ -33,14 +33,14 @@ SECTIONS
         __glob_origin__ = ORIGIN(glob);
         KEEP (*(.cold_crt0.text.start)) /* MUST be first */
         KEEP (*(.cold_crt0.text*))
-        KEEP (build/coldboot_init.o(.text*))
+        KEEP (coldboot_init.o(.text*))
         *(.cold_crt0.rodata*)
-        build/coldboot_init.o(.rodata*)
+        coldboot_init.o(.rodata*)
         *(.cold_crt0.data*)
-        build/coldboot_init.o(.data*)
+        coldboot_init.o(.data*)
         . = ALIGN(8);
         *(.cold_crt0.bss*)
-        build/coldboot_init.o(.bss* COMMON)
+        coldboot_init.o(.bss* COMMON)
         . = ALIGN(64);
         __cold_crt0_end__ = ABSOLUTE(.);
     } >ccrt0 AT>glob
@@ -50,9 +50,9 @@ SECTIONS
         . = ALIGN(4096);
         __pk2ldr_lma__   = LOADADDR(.pk2ldr);
         __pk2ldr_start__ = ABSOLUTE(.);
-        KEEP (build/package2.o(.text*))
+        KEEP (package2.o(.text*))
-        build/package2.o(.rodata*)
+        package2.o(.rodata*)
-        build/package2.o(.data*)
+        package2.o(.data*)
         . = ALIGN(8);
     } >pk2ldr AT>glob
 
@@ -60,7 +60,7 @@ SECTIONS
     {
         . = ALIGN(8);
         __pk2ldr_bss_start__ = ABSOLUTE(.);
-        build/package2.o(.bss* COMMON)
+        package2.o(.bss* COMMON)
         . = ALIGN(8);
         __pk2ldr_end__ = ABSOLUTE(.);
     } >pk2ldr AT>glob
@@ -82,14 +82,14 @@ SECTIONS
         __warmboot_crt0_start__ = ABSOLUTE(.);
         KEEP (*(.warm_crt0.text.start)) /* Should be first */
         KEEP (*(.warm_crt0.text*))
-        KEEP (build/warmboot_init.o(.text*))
+        KEEP (warmboot_init.o(.text*))
         *(.warm_crt0.rodata*)
-        build/warmboot_init.o(.rodata*)
+        warmboot_init.o(.rodata*)
         *(.warm_crt0.data*)
-        build/warmboot_init.o(.data*)
+        warmboot_init.o(.data*)
         . = ALIGN(8);
         *(.warm_crt0.bss*)
-        build/warmboot_init.o(.bss*)
+        warmboot_init.o(.bss*)
         . = ALIGN(64);
         __warmboot_crt0_end__ = ABSOLUTE(.);
     } >warmboot_crt0 AT>glob

exosphere/linker.specs

@@ -1,7 +1,7 @@
 %rename link                old_link
 
 *link:
-%(old_link) -T linker.ld --nmagic --gc-sections
+%(old_link) -T %:getenv(TOPDIR /linker.ld) --nmagic --gc-sections
 
 *startfile:
 crti%O%s crtbegin%O%s

exosphere/src/lp0.c

@@ -21,8 +21,11 @@
 #include "misc.h"
 #include "exocfg.h"
 
-extern const uint8_t bpmpfw_bin[];
+#define u8 uint8_t
-extern const uint32_t bpmpfw_bin_size;
+#define u32 uint32_t
+#include "bpmpfw_bin.h"
+#undef u8
+#undef u32
 
 /* Save security engine, and go to sleep. */
 void save_se_and_power_down_cpu(void) {

fusee/fusee-primary/Makefile

@@ -1,24 +1,34 @@
-rwildcard = $(foreach d, $(wildcard $1*), $(filter $(subst *, %, $2), $d) $(call rwildcard, $d/, $2))
+#---------------------------------------------------------------------------------
+.SUFFIXES:
+#---------------------------------------------------------------------------------
 
 ifeq ($(strip $(DEVKITARM)),)
 $(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
 endif
 
-include $(DEVKITARM)/base_tools
+TOPDIR ?= $(CURDIR)
+include $(DEVKITARM)/base_rules
 
-name := fusee-primary
+#---------------------------------------------------------------------------------
+# TARGET is the name of the output
+# BUILD is the directory where object files & intermediate files will be placed
+# SOURCES is a list of directories containing source code
+# DATA is a list of directories containing data files
+# INCLUDES is a list of directories containing header files
+#---------------------------------------------------------------------------------
+TARGET		:=	$(notdir $(CURDIR))
+BUILD		:=	build
+SOURCES		:=	src src/lib src/lib/fatfs src/display src/hwinit
+DATA		:=	data
+INCLUDES	:=	include
 
-dir_source := src
+#---------------------------------------------------------------------------------
-dir_build := build
+# options for code generation
-dir_out := out
+#---------------------------------------------------------------------------------
+ARCH	:=	-march=armv4t -mtune=arm7tdmi -mthumb -mthumb-interwork
+DEFINES :=	-D__BPMP__ -DFUSEE_STAGE1_SRC
 
-ARCH := -march=armv4t -mtune=arm7tdmi -mthumb -mthumb-interwork
+CFLAGS	:= \
-
-ASFLAGS := -g $(ARCH)
-
-# For debug builds, replace -O2 by -Og and comment -fomit-frame-pointer out
-CFLAGS = \
-	$(ARCH) \
 	-g \
 	-O2 \
 	-fomit-frame-pointer \
@@ -28,40 +38,118 @@ CFLAGS = \
 	-Werror \
 	-Wall \
 	-fstrict-volatile-bitfields \
-	-DFUSEE_STAGE1_SRC
+	$(ARCH) $(DEFINES)
 
-LDFLAGS = -specs=linker.specs -g $(ARCH)
+CFLAGS	+=	$(INCLUDE)
 
-objects =	$(patsubst $(dir_source)/%.s, $(dir_build)/%.o, \
+CXXFLAGS	:= $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11
-			$(patsubst $(dir_source)/%.c, $(dir_build)/%.o, \
-			$(call rwildcard, $(dir_source), *.s *.c)))
 
-define bin2o
+ASFLAGS	:=	-g $(ARCH)
-	bin2s $< | $(AS) -o $(@)
+LDFLAGS	=	-specs=$(TOPDIR)/linker.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
-endef
 
-.PHONY: all
+LIBS	:=
-all: $(dir_out)/$(name).bin
 
-.PHONY: clean
+#---------------------------------------------------------------------------------
+# list of directories containing libraries, this must be the top level containing
+# include and lib
+#---------------------------------------------------------------------------------
+LIBDIRS	:=
+
+
+#---------------------------------------------------------------------------------
+# no real need to edit anything past this point unless you need to add additional
+# rules for different file extensions
+#---------------------------------------------------------------------------------
+ifneq ($(BUILD),$(notdir $(CURDIR)))
+#---------------------------------------------------------------------------------
+
+export OUTPUT	:=	$(CURDIR)/$(TARGET)
+export TOPDIR	:=	$(CURDIR)
+
+export VPATH	:=	$(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
+			$(foreach dir,$(DATA),$(CURDIR)/$(dir))
+
+export DEPSDIR	:=	$(CURDIR)/$(BUILD)
+
+CFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
+CPPFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
+SFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
+BINFILES	:=	$(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
+
+#---------------------------------------------------------------------------------
+# use CXX for linking C++ projects, CC for standard C
+#---------------------------------------------------------------------------------
+ifeq ($(strip $(CPPFILES)),)
+#---------------------------------------------------------------------------------
+	export LD	:=	$(CC)
+#---------------------------------------------------------------------------------
+else
+#---------------------------------------------------------------------------------
+	export LD	:=	$(CXX)
+#---------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------
+
+export OFILES_BIN	:=	$(addsuffix .o,$(BINFILES))
+export OFILES_SRC	:=	$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
+export OFILES 		:=	$(OFILES_BIN) $(OFILES_SRC)
+export HFILES_BIN	:=	$(addsuffix .h,$(subst .,_,$(BINFILES)))
+
+export INCLUDE	:=	$(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
+			$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
+			-I$(CURDIR)/$(BUILD)
+
+export LIBPATHS	:=	$(foreach dir,$(LIBDIRS),-L$(dir)/lib)
+
+.PHONY: $(BUILD) clean all
+
+#---------------------------------------------------------------------------------
+all: $(BUILD)
+
+$(BUILD):
+	@[ -d $@ ] || mkdir -p $@
+	@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
+
+#---------------------------------------------------------------------------------
 clean:
-	@rm -rf $(dir_build)
+	@echo clean ...
-	@rm -rf $(dir_out)
+	@rm -fr $(BUILD) $(TARGET).bin $(TARGET).elf
 
-$(dir_out)/$(name).bin: $(dir_build)/$(name).elf
+
-	@mkdir -p "$(@D)"
+#---------------------------------------------------------------------------------
+else
+.PHONY:	all
+
+DEPENDS	:=	$(OFILES:.o=.d)
+
+#---------------------------------------------------------------------------------
+# main targets
+#---------------------------------------------------------------------------------
+all	:	$(OUTPUT).bin
+
+$(OUTPUT).bin	:	$(OUTPUT).elf
 	$(OBJCOPY) -S -O binary $< $@
+	@echo built ... $(notdir $@)
 
-$(dir_build)/$(name).elf: $(objects)
+$(OUTPUT).elf	:	$(OFILES)
-	$(LINK.o) $(OUTPUT_OPTION) $^
 
-$(dir_build)/%.bin.o: $(dir_build)/%.bin
+%.elf: $(OFILES)
+	@echo linking $(notdir $@)
+	@$(LD) $(LDFLAGS) $(OFILES) $(LIBPATHS) $(LIBS) -o $@
+	@$(NM) -CSn $@ > $(notdir $*.lst)
+
+$(OFILES_SRC)	: $(HFILES_BIN)
+
+#---------------------------------------------------------------------------------
+# you need a rule like this for each extension you use as binary data
+#---------------------------------------------------------------------------------
+%.bin.o	:	%.bin
+#---------------------------------------------------------------------------------
+	@echo $(notdir $<)
 	@$(bin2o)
 
-$(dir_build)/%.o: $(dir_source)/%.c
+-include $(DEPENDS)
-	@mkdir -p "$(@D)"
-	$(COMPILE.c) $(OUTPUT_OPTION) $<
 
-$(dir_build)/%.o: $(dir_source)/%.s
+#---------------------------------------------------------------------------------------
-	@mkdir -p "$(@D)"
+endif
-	$(COMPILE.c) -x assembler-with-cpp $(OUTPUT_OPTION) $<
+#---------------------------------------------------------------------------------------

fusee/fusee-primary/linker.ld

@@ -35,9 +35,9 @@ SECTIONS
         PROVIDE (__chainloader_start__  = .);
         PROVIDE (__chainloader_lma__    = LOADADDR(.chainloader_loadable));
         KEEP(*(.chainloader.text.start))
-        build/chainloader.o(.text*)
+        chainloader.o(.text*)
-        build/chainloader.o(.rodata*)
+        chainloader.o(.rodata*)
-        build/chainloader.o(.data*)
+        chainloader.o(.data*)
         . = ALIGN(8);
 
     } >low_iram AT>main
@@ -46,7 +46,7 @@ SECTIONS
     {
         . = ALIGN(8);
         PROVIDE (__chainloader_bss_start__ = .);
-        build/chainloader.o(.bss* COMMON)
+        chainloader.o(.bss* COMMON)
         . = ALIGN(8);
         PROVIDE (__chainloader_end__ = .);
     } >low_iram AT>main

fusee/fusee-primary/linker.specs

@@ -1,7 +1,7 @@
 %rename link                old_link
 
 *link:
-%(old_link) -T linker.ld --nmagic --gc-sections
+%(old_link) -T %:getenv(TOPDIR /linker.ld) --nmagic --gc-sections
 
 *startfile:
 crti%O%s crtbegin%O%s

fusee/fusee-secondary/Makefile

@@ -1,27 +1,37 @@
-rwildcard = $(foreach d, $(wildcard $1*), $(filter $(subst *, %, $2), $d) $(call rwildcard, $d/, $2))
+#---------------------------------------------------------------------------------
+.SUFFIXES:
+#---------------------------------------------------------------------------------
 
 ifeq ($(strip $(DEVKITARM)),)
 $(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
 endif
 
-include $(DEVKITARM)/base_tools
+TOPDIR	?= $(CURDIR)
 
-name := fusee-secondary
+AMS		:= $(TOPDIR)/../../
 
-dir_source := src
+include $(DEVKITARM)/base_rules
-dir_build := build
-dir_exosphere := ../../exosphere
-dir_thermosphere := ../../thermosphere
-dir_stratosphere := ../../stratosphere
-dir_out := out
 
-ARCH := -march=armv4t -mtune=arm7tdmi -marm
+#---------------------------------------------------------------------------------
+# TARGET is the name of the output
+# BUILD is the directory where object files & intermediate files will be placed
+# SOURCES is a list of directories containing source code
+# DATA is a list of directories containing data files
+# INCLUDES is a list of directories containing header files
+#---------------------------------------------------------------------------------
+TARGET		:=	$(notdir $(CURDIR))
+BUILD		:=	build
+SOURCES		:=	src src/lib src/lib/fatfs src/display src/hwinit
+DATA		:=	data
+INCLUDES	:=	include
 
-ASFLAGS := -g $(ARCH)
+#---------------------------------------------------------------------------------
+# options for code generation
+#---------------------------------------------------------------------------------
+ARCH	:=	-march=armv4t -mtune=arm7tdmi -marm
+DEFINES :=	-D__BPMP__ -DFUSEE_STAGE2_SRC
 
-# For debug builds, replace -O2 by -Og and comment -fomit-frame-pointer out
+CFLAGS	:= \
-CFLAGS = \
-	$(ARCH) \
 	-g \
 	-O2 \
 	-fomit-frame-pointer \
@@ -31,45 +41,139 @@ CFLAGS = \
 	-Werror \
 	-Wall \
 	-fstrict-volatile-bitfields \
-	-DFUSEE_STAGE2_SRC
+	$(ARCH) $(DEFINES)
 
-LDFLAGS = -specs=linker.specs -g $(ARCH)
+CFLAGS	+=	$(INCLUDE)
 
-bundled =	$(dir_exosphere)/out/exosphere.bin $(dir_thermosphere)/out/thermosphere.bin \
+CXXFLAGS	:= $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11
-			$(dir_stratosphere)/loader/loader.kip $(dir_stratosphere)/pm/pm.kip \
-			$(dir_stratosphere)/sm/sm.kip $(dir_stratosphere)/boot/boot_100.kip $(dir_stratosphere)/boot/boot_200.kip
 
-objects =	$(patsubst $(dir_source)/%.s, $(dir_build)/%.o, \
+ASFLAGS	:=	-g $(ARCH)
-			$(patsubst $(dir_source)/%.c, $(dir_build)/%.o, \
+LDFLAGS	=	-specs=$(TOPDIR)/linker.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
-			$(call rwildcard, $(dir_source), *.s *.c))) \
-			$(dir_build)/bundled.o
 
-define bin2o
+LIBS	:=
-	bin2s $< | $(AS) -o $(@)
-endef
 
-.PHONY: all
+#---------------------------------------------------------------------------------
-all: $(dir_out)/$(name).bin
+# list of directories containing libraries, this must be the top level containing
+# include and lib
+#---------------------------------------------------------------------------------
+LIBDIRS	:=
 
-.PHONY: clean
+
+#---------------------------------------------------------------------------------
+# no real need to edit anything past this point unless you need to add additional
+# rules for different file extensions
+#---------------------------------------------------------------------------------
+ifneq ($(BUILD),$(notdir $(CURDIR)))
+#---------------------------------------------------------------------------------
+
+export OUTPUT	:=	$(CURDIR)/$(TARGET)
+export TOPDIR	:=	$(CURDIR)
+
+export KIPDIRS	:= $(AMS)/stratosphere/loader $(AMS)/stratosphere/pm $(AMS)/stratosphere/sm $(AMS)/stratosphere/boot
+export VPATH	:=	$(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
+			$(foreach dir,$(DATA),$(CURDIR)/$(dir)) \
+			$(AMS)/exosphere $(AMS)/thermosphere $(KIPDIRS)
+
+export DEPSDIR	:=	$(CURDIR)/$(BUILD)
+
+CFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
+CPPFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
+SFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
+KIPFILES 	:=	loader.kip pm.kip sm.kip boot_100.kip boot_200.kip
+BINFILES	:=	$(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*))) exosphere.bin thermosphere.bin $(KIPFILES)
+
+#---------------------------------------------------------------------------------
+# use CXX for linking C++ projects, CC for standard C
+#---------------------------------------------------------------------------------
+ifeq ($(strip $(CPPFILES)),)
+#---------------------------------------------------------------------------------
+	export LD	:=	$(CC)
+#---------------------------------------------------------------------------------
+else
+#---------------------------------------------------------------------------------
+	export LD	:=	$(CXX)
+#---------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------
+
+export OFILES_BIN	:=	$(addsuffix .o,$(BINFILES))
+export OFILES_SRC	:=	$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
+export OFILES 		:=	$(OFILES_BIN) $(OFILES_SRC)
+export HFILES_BIN	:=	$(addsuffix .h,$(subst .,_,$(BINFILES)))
+
+export INCLUDE	:=	$(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
+			$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
+			-I$(CURDIR)/$(BUILD)
+
+export LIBPATHS	:=	$(foreach dir,$(LIBDIRS),-L$(dir)/lib)
+
+.PHONY: $(BUILD) clean all
+.PHONY: check_exosphere check_thermosphere check_exosphere
+
+#---------------------------------------------------------------------------------
+all: $(BUILD)
+
+check_exosphere:
+	@$(MAKE) -C $(AMS)/exosphere all
+
+check_thermosphere:
+	@$(MAKE) -C $(AMS)/thermosphere all
+
+check_stratosphere:
+	@$(MAKE) -C $(AMS)/stratosphere all
+
+
+$(BUILD): check_exosphere check_thermosphere check_stratosphere
+	@[ -d $@ ] || mkdir -p $@
+	@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
+
+#---------------------------------------------------------------------------------
 clean:
-	@rm -rf $(dir_build)
+	@echo clean ...
-	@rm -rf $(dir_out)
+	@$(MAKE) -C $(AMS)/exosphere clean
+	@$(MAKE) -C $(AMS)/thermosphere clean
+	@$(MAKE) -C $(AMS)/stratosphere clean
+	@rm -fr $(BUILD) $(TARGET).bin $(TARGET).elf
 
-$(dir_out)/$(name).bin: $(dir_build)/$(name).elf
+#---------------------------------------------------------------------------------
-	@mkdir -p "$(@D)"
+else
+.PHONY:	all
+
+DEPENDS	:=	$(OFILES:.o=.d)
+
+#---------------------------------------------------------------------------------
+# main targets
+#---------------------------------------------------------------------------------
+all	:	$(OUTPUT).bin
+
+$(OUTPUT).bin	:	$(OUTPUT).elf
 	$(OBJCOPY) -S -O binary $< $@
+	@echo built ... $(notdir $@)
 
-$(dir_build)/$(name).elf: $(objects)
+$(OUTPUT).elf	:	$(OFILES)
-	$(LINK.o) $(OUTPUT_OPTION) $^
 
-$(dir_build)/bundled.o: $(bundled)
+%.elf: $(OFILES)
-	@bin2s $^ | $(AS) -o $(@)
+	@echo linking $(notdir $@)
+	@$(LD) $(LDFLAGS) $(OFILES) $(LIBPATHS) $(LIBS) -o $@
+	@$(NM) -CSn $@ > $(notdir $*.lst)
 
-$(dir_build)/%.o: $(dir_source)/%.c
+$(OFILES_SRC)	: $(HFILES_BIN)
-	@mkdir -p "$(@D)"
-	$(COMPILE.c) $(OUTPUT_OPTION) $<
 
-$(dir_build)/%.o: $(dir_source)/%.s
+#---------------------------------------------------------------------------------
-	@mkdir -p "$(@D)"
+# you need a rule like this for each extension you use as binary data
-	$(COMPILE.c) -x assembler-with-cpp $(OUTPUT_OPTION) $<
+#---------------------------------------------------------------------------------
+%.bin.o	%_bin.h:	%.bin
+#---------------------------------------------------------------------------------
+	@echo $(notdir $<)
+	@$(bin2o)
+
+%.kip.o	%_kip.h:	%.kip
+#---------------------------------------------------------------------------------
+	@echo $(notdir $<)
+	@$(bin2o)
+
+-include $(DEPENDS)
+
+#---------------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------------

fusee/fusee-secondary/linker.ld

@@ -35,9 +35,9 @@ SECTIONS
         PROVIDE (__chainloader_start__  = .);
         PROVIDE (__chainloader_lma__    = LOADADDR(.chainloader_loadable));
         KEEP(*(.chainloader.text.start))
-        build/chainloader.o(.text*)
+        chainloader.o(.text*)
-        build/chainloader.o(.rodata*)
+        chainloader.o(.rodata*)
-        build/chainloader.o(.data*)
+        chainloader.o(.data*)
         . = ALIGN(8);
 
     } >low_iram AT>main
@@ -46,7 +46,7 @@ SECTIONS
     {
         . = ALIGN(8);
         PROVIDE (__chainloader_bss_start__ = .);
-        build/chainloader.o(.bss* COMMON)
+        chainloader.o(.bss* COMMON)
         . = ALIGN(8);
         PROVIDE (__chainloader_end__ = .);
     } >low_iram AT>main

fusee/fusee-secondary/linker.specs

@@ -1,7 +1,7 @@
 %rename link                old_link
 
 *link:
-%(old_link) -T linker.ld --nmagic --gc-sections
+%(old_link) -T %:getenv(TOPDIR /linker.ld) --nmagic --gc-sections
 
 *startfile:
 crti%O%s crtbegin%O%s

fusee/fusee-secondary/src/nxboot.c

@@ -14,6 +14,13 @@
 #include "exocfg.h"
 #include "display/video_fb.h"
 #include "lib/ini.h"
+
+#define u8 uint8_t
+#define u32 uint32_t
+#include "exosphere_bin.h"
+#undef u8
+#undef u32
+
 #include "hwinit/cluster.h"
 
 static int exosphere_ini_handler(void *user, const char *section, const char *name, const char *value) {
@@ -237,8 +244,6 @@ void nxboot_main(void) {
             generic_panic();
         }
     } else {
-        extern const uint8_t exosphere_bin[];
-        extern const uint32_t exosphere_bin_size;
         memcpy(exosphere_memaddr, exosphere_bin, exosphere_bin_size);
     }
 

fusee/fusee-secondary/src/package2.c

@@ -7,6 +7,12 @@
 #include "kip.h"
 #include "se.h"
 
+#define u8 uint8_t
+#define u32 uint32_t
+#include "thermosphere_bin.h"
+#undef u8
+#undef u32
+
 static void package2_decrypt(package2_header_t *package2);
 static size_t package2_get_thermosphere(void **thermosphere);
 static void package2_patch_kernel(void *kernel, size_t kernel_size);

fusee/fusee-secondary/src/stratosphere.c

@@ -7,6 +7,16 @@
 #include "stratosphere.h"
 #include "fs_utils.h"
 
+#define u8 uint8_t
+#define u32 uint32_t
+#include "loader_kip.h"
+#include "pm_kip.h"
+#include "sm_kip.h"
+#include "boot_100_kip.h"
+#include "boot_200_kip.h"
+#undef u8
+#undef u32
+
 static ini1_header_t *g_stratosphere_ini1 = NULL;
 
 extern const uint8_t boot_100_kip[], boot_200_kip[];

stratosphere/Makefile

@@ -1,4 +1,7 @@
-KIPS := boot boot2 loader pm sm
+KIPS := loader pm sm boot
+
+#TODO: boot2 ?
+
 SUBFOLDERS := libstratosphere $(KIPS)
 
 TOPTARGETS := all clean

thermosphere/Makefile

@@ -1,69 +1,155 @@
-rwildcard = $(foreach d, $(wildcard $1*), $(filter $(subst *, %, $2), $d) $(call rwildcard, $d/, $2))
+#---------------------------------------------------------------------------------
+.SUFFIXES:
+#---------------------------------------------------------------------------------
 
 ifeq ($(strip $(DEVKITPRO)),)
-$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>devkitPro")
+$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>/devkitpro")
 endif
 
-include $(DEVKITPRO)/devkitA64/base_tools
+TOPDIR ?= $(CURDIR)
+include $(DEVKITPRO)/devkitA64/base_rules
 
-name := thermosphere
+#---------------------------------------------------------------------------------
+# TARGET is the name of the output
+# BUILD is the directory where object files & intermediate files will be placed
+# SOURCES is a list of directories containing source code
+# DATA is a list of directories containing data files
+# INCLUDES is a list of directories containing header files
+#---------------------------------------------------------------------------------
+TARGET		:=	$(notdir $(CURDIR))
+BUILD		:=	build
+SOURCES		:=	src src/lib
+DATA		:=	data
+INCLUDES	:=	include
 
-dir_source := src
+#---------------------------------------------------------------------------------
-dir_build := build
+# options for code generation
-dir_out := out
+#---------------------------------------------------------------------------------
+ARCH	:=	-march=armv8-a -mtune=cortex-a57
 
-ARCH := -march=armv8-a -mtune=cortex-a57
+CFLAGS	:= \
+		-g \
+		-O2 \
+		-ffunction-sections \
+		-fdata-sections \
+		-mgeneral-regs-only \
+		-fomit-frame-pointer \
+		-std=gnu11 \
+		-Werror \
+		-Wall \
+		-Wno-main \
+		$(ARCH) $(DEFINES)
 
-ASFLAGS := -g $(ARCH)
+CFLAGS	+=	$(INCLUDE) -D__CCPLEX__
 
-CFLAGS = \
+CXXFLAGS	:= $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11
-	$(ARCH) \
-	-g \
-	-O2 \
-	-ffunction-sections \
-	-fdata-sections \
-	-mgeneral-regs-only \
-	-fomit-frame-pointer \
-	-std=gnu11 \
-	-Werror \
-	-Wall \
-	-Wno-main
 
-LDFLAGS = -specs=linker.specs -g $(ARCH)
+ASFLAGS	:=	-g $(ARCH)
+LDFLAGS	=	-specs=$(TOPDIR)/linker.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
 
-objects =	$(patsubst $(dir_source)/%.s, $(dir_build)/%.o, \
+LIBS	:=
-			$(patsubst $(dir_source)/%.c, $(dir_build)/%.o, \
+
-			$(patsubst $(dir_source)/%.S, $(dir_build)/%.o, \
+#---------------------------------------------------------------------------------
-			$(call rwildcard, $(dir_source), *.s *.c *.S))))
+# list of directories containing libraries, this must be the top level containing
+# include and lib
+#---------------------------------------------------------------------------------
+LIBDIRS	:=
 
 
-define bin2o
+#---------------------------------------------------------------------------------
-	bin2s $< | $(AS) -o $(@)
+# no real need to edit anything past this point unless you need to add additional
-endef
+# rules for different file extensions
+#---------------------------------------------------------------------------------
+ifneq ($(BUILD),$(notdir $(CURDIR)))
+#---------------------------------------------------------------------------------
 
-.PHONY: all
+export OUTPUT	:=	$(CURDIR)/$(TARGET)
-all: $(dir_out)/$(name).bin
+export TOPDIR	:=	$(CURDIR)
 
-.PHONY: clean
+export VPATH	:=	$(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
+			$(foreach dir,$(DATA),$(CURDIR)/$(dir))
+
+export DEPSDIR	:=	$(CURDIR)/$(BUILD)
+
+CFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
+CPPFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
+SFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
+BINFILES	:=	$(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
+
+#---------------------------------------------------------------------------------
+# use CXX for linking C++ projects, CC for standard C
+#---------------------------------------------------------------------------------
+ifeq ($(strip $(CPPFILES)),)
+#---------------------------------------------------------------------------------
+	export LD	:=	$(CC)
+#---------------------------------------------------------------------------------
+else
+#---------------------------------------------------------------------------------
+	export LD	:=	$(CXX)
+#---------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------
+
+export OFILES_BIN	:=	$(addsuffix .o,$(BINFILES))
+export OFILES_SRC	:=	$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
+export OFILES 	:=	$(OFILES_BIN) $(OFILES_SRC)
+export HFILES_BIN	:=	$(addsuffix .h,$(subst .,_,$(BINFILES)))
+
+export INCLUDE	:=	$(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
+			$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
+			-I$(CURDIR)/$(BUILD)
+
+export LIBPATHS	:=	$(foreach dir,$(LIBDIRS),-L$(dir)/lib)
+
+.PHONY: $(BUILD) clean all
+
+#---------------------------------------------------------------------------------
+all: $(BUILD)
+
+$(BUILD):
+	@[ -d $@ ] || mkdir -p $@
+	@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
+
+#---------------------------------------------------------------------------------
 clean:
-	@rm -rf $(dir_build)
+	@echo clean ...
-	@rm -rf $(dir_out)
+	@rm -fr $(BUILD) $(TARGET).bin $(TARGET).elf
 
-$(dir_out)/$(name).bin: $(dir_build)/$(name).elf
+
-	@mkdir -p "$(@D)"
+#---------------------------------------------------------------------------------
+else
+.PHONY:	all
+
+DEPENDS	:=	$(OFILES:.o=.d)
+
+#---------------------------------------------------------------------------------
+# main targets
+#---------------------------------------------------------------------------------
+all	:	$(OUTPUT).bin
+
+$(OUTPUT).bin	:	$(OUTPUT).elf
 	$(OBJCOPY) -S -O binary $< $@
+	@echo built ... $(notdir $@)
 
-$(dir_build)/$(name).elf: $(objects)
+$(OUTPUT).elf	:	$(OFILES)
-	$(LINK.o) $(OUTPUT_OPTION) $^
 
-$(dir_build)/%.bin.o: $(dir_build)/%.bin
+%.elf:
+	@echo linking $(notdir $@)
+	$(LD) $(LDFLAGS) $(OFILES) $(LIBPATHS) $(LIBS) -o $@
+	@$(NM) -CSn $@ > $(notdir $*.lst)
+
+$(OFILES_SRC)	: $(HFILES_BIN)
+
+#---------------------------------------------------------------------------------
+# you need a rule like this for each extension you use as binary data
+#---------------------------------------------------------------------------------
+%.bin.o	:	%.bin
+#---------------------------------------------------------------------------------
+	@echo $(notdir $<)
 	@$(bin2o)
 
-$(dir_build)/%.o: $(dir_source)/%.c
+-include $(DEPENDS)
-	@mkdir -p "$(@D)"
-	$(COMPILE.c) $(OUTPUT_OPTION) $<
-
-$(dir_build)/%.o: $(dir_source)/%.s
-	@mkdir -p "$(@D)"
-	$(COMPILE.c) -x assembler-with-cpp $(OUTPUT_OPTION) $<
 
+#---------------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------------

thermosphere/linker.ld

@@ -9,7 +9,7 @@ SECTIONS
     . = ALIGN(4);
     .text : {
     PROVIDE(lds_thermo_start = .);
-        build/start.o (.text*)
+        start.o (.text*)
         *(.text*)
     }
 

thermosphere/linker.specs

@@ -1,7 +1,7 @@
 %rename link                old_link
 
 *link:
-%(old_link) -T linker.ld --nmagic --gc-sections
+%(old_link) -T %:getenv(TOPDIR /linker.ld) --nmagic --gc-sections
 
 *startfile:
 crti%O%s crtbegin%O%s