Add Up/Down Skewer, Layer 0, and romfs2sdmc

.gitignore

@@ -0,0 +1,31 @@
+code.bin
+exheader.bin
+newcode.bin
+newcodeinfo.h
+loader.bin
+linker.ld
+
+*.elf
+*.sym
+*.o
+*.d
+*.map
+/build
+
+/gcc-arm-none-eabi
+
+*.directory
+.vscode
+
+*.user
+
+*.id0
+*.id1
+*.id2
+*.nam
+*.til
+
+/tmp
+test*
+
+.DS_Store

Makefile

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+#---------------------------------------------------------------------------------
+.SUFFIXES:
+#---------------------------------------------------------------------------------
+
+GCC_ARM_NONE_EABI_LOCAL=$(realpath ./gcc-arm-none-eabi)
+
+ifneq "$(wildcard $(GCC_ARM_NONE_EABI_LOCAL) )" ""
+export GCC_ARM_NONE_EABI	:=	$(GCC_ARM_NONE_EABI_LOCAL)
+endif
+
+ifeq ($(strip $(GCC_ARM_NONE_EABI)),)
+$(error gcc-arm-none-eabi was not found. Please set GCC_ARM_NONE_EABI in your \
+environment or extract it into a directory called gcc-arm-none-eabi)
+endif
+
+export PATH		:=	$(GCC_ARM_NONE_EABI)/bin:$(PATH)
+
+#---------------------------------------------------------------------------------
+# the prefix on the compiler executables
+#---------------------------------------------------------------------------------
+PREFIX			:=	arm-none-eabi-
+
+export CC		:=	$(PREFIX)gcc
+export CXX		:=	$(PREFIX)g++
+export AS		:=	$(PREFIX)gcc
+export AR		:=	$(PREFIX)ar
+export OBJCOPY	:=	$(PREFIX)objcopy
+export OBJDUMP	:=	$(PREFIX)objdump
+
+
+#---------------------------------------------------------------------------------
+# 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
+# INCLUDES is a list of directories containing header files
+#---------------------------------------------------------------------------------
+TARGET		:=	newcode
+BUILD		:=	build
+SOURCES		:=	source
+INCLUDES	:=	include
+
+
+#---------------------------------------------------------------------------------
+# options for code generation
+#---------------------------------------------------------------------------------
+ARCH		:=	-march=armv6k+fp -mtune=mpcore -mfloat-abi=hard -mtp=soft
+
+CFLAGS		:=	-Wall -O3 -mword-relocations -fshort-wchar \
+				-fomit-frame-pointer -ffunction-sections \
+				$(ARCH) -nostdinc $(INCLUDE)
+
+CXXFLAGS	:=	$(CFLAGS) -fno-exceptions -fno-rtti -fno-threadsafe-statics
+
+ASFLAGS		:=	$(ARCH)
+
+LDFLAGS		:=	-nodefaultlibs -nostartfiles $(ARCH) \
+				-T $(LINKERSCRIPT) -Wl,-Map,$(notdir $(TARGET).map)
+
+
+#---------------------------------------------------------------------------------
+ifneq ($(BUILD),$(notdir $(CURDIR)))
+#---------------------------------------------------------------------------------
+
+export LINKERSCRIPT	:=	$(CURDIR)/linker.ld
+
+export OUTPUT		:=	$(CURDIR)/$(TARGET)
+
+export VPATH		:=	$(foreach dir,$(SOURCES),$(CURDIR)/$(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 $(dir)/*.s)))
+
+#---------------------------------------------------------------------------------
+# use CXX for linking C++ projects, CC for standard C
+#---------------------------------------------------------------------------------
+ifeq ($(strip $(CPPFILES)),)
+	export LD	:=	$(CC)
+else
+	export LD	:=	$(CXX)
+endif
+
+
+export OFILES		:=	$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
+
+export INCLUDE		:=	$(foreach dir,$(INCLUDES),-iquote $(CURDIR)/$(dir)) \
+						-I$(CURDIR)/$(BUILD)
+
+.PHONY: $(BUILD) clean
+
+#---------------------------------------------------------------------------------
+$(BUILD):
+	@[ -d $@ ] || mkdir -p $@
+	@make --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
+
+#---------------------------------------------------------------------------------
+clean:
+	@echo clean ...
+	@rm -fr $(BUILD) $(LINKERSCRIPT) $(TARGET).elf $(TARGET).bin $(TARGET).sym
+
+#---------------------------------------------------------------------------------
+else
+
+#---------------------------------------------------------------------------------
+# main targets
+#---------------------------------------------------------------------------------
+
+
+ifeq ($(strip $(CODEADDR)),)
+$(error "The code destination has to be defined. CODEADDR=<address>")
+endif
+
+
+#---------------------------------------------------------------------------------
+# Linker Script Template
+#---------------------------------------------------------------------------------
+
+define LINKERSCRIPT_TEMPLATE
+OUTPUT_ARCH(arm)
+
+SECTIONS
+{
+    . = $(CODEADDR);
+    .text : {
+
+        __text_start = . ;
+		*(.init)
+        *(.text)
+        *(.text.*)
+        *(.rodata)
+        *(.data)
+
+		. = ALIGN(4);
+		__init_array_start = .;
+		KEEP (*(.init_array*))
+		__init_array_end = .;
+
+		*(.fini)
+        *(COMMON)
+        __text_end  = . ;
+
+        __bss_start__ = . ;
+		*(.bss)
+		__bss_end__ = . ;
+
+        _end = __bss_end__ ;
+		__end__ = __bss_end__ ;
+
+    }
+}
+endef
+export LINKERSCRIPT_TEMPLATE
+
+#---------------------------------------------------------------------------------
+
+
+
+all: $(OUTPUT).bin $(OUTPUT).sym
+
+# Create binary file from elf
+$(OUTPUT).bin : $(OUTPUT).elf
+	$(OBJCOPY) -O binary $< $@
+	@echo built ... $(notdir $@)
+
+# Dump symbols from elf
+$(OUTPUT).sym : $(OUTPUT).elf
+	$(OBJDUMP) -t $< > $@
+	@echo written the symbol table ... $(notdir $@)
+
+# Link object files into elf
+%.elf: $(OFILES)
+	@echo generating linker script
+	echo "$$LINKERSCRIPT_TEMPLATE" > $(LINKERSCRIPT)
+
+	@echo linking $(notdir $@)
+	$(LD)  $(LDFLAGS) $(OFILES) $(LIBPATHS) $(LIBS) -o $@
+
+	rm $(LINKERSCRIPT)
+
+# Compile C++ files
+%.o: %.cpp
+	@echo $(notdir $<)
+	$(CXX) -MMD -MP -MF $(DEPSDIR)/$*.d $(CXXFLAGS) -c $< -o $@ $(ERROR_FILTER)
+
+# Compile C files
+%.o: %.c
+	@echo $(notdir $<)
+	$(CC) -MMD -MP -MF $(DEPSDIR)/$*.d $(CFLAGS) -c $< -o $@ $(ERROR_FILTER)
+
+# Compile assembly files
+%.o: %.s
+	@echo $(notdir $<)
+	$(AS) -MMD -MP -MF $(DEPSDIR)/$*.d -x assembler-with-cpp $(ASFLAGS) -c $< -o $@ $(ERROR_FILTER)
+
+-include $(DEPSDIR)/*.d
+
+#---------------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------------

hooks/layer0.hks

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+DrawLayer0:
+    type:   branch
+    link:   false
+    func:   DrawLayer0
+    addr:   0x001CA6D0

hooks/romfs2sdmc.hks

@@ -0,0 +1,5 @@
+romfs2sdmc:
+    type:   branch
+    link:   false
+    addr:   0x0013FC74
+    func:   TryOpenFile_Payload

hooks/updownskewer.hks

@@ -0,0 +1,9 @@
+ReplaceWithSkewerUp:
+  type: patch
+  data: 54 72 58 00
+  addr: 0x00528DB8
+
+ReplaceWithSkewerDown:
+  type: patch
+  data: 52 72 58 00
+  addr: 0x00528F30