Version 1.0

README.md

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+# RVLoader
+Game loader specifically designed for Wii portables.

bootloader/Makefile

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+#---------------------------------------------------------------------------------
+# Clear the implicit built in rules
+#---------------------------------------------------------------------------------
+.SUFFIXES:
+#---------------------------------------------------------------------------------
+ifeq ($(strip $(DEVKITPPC)),)
+$(error "Please set DEVKITPPC in your environment. export DEVKITPPC=<path to>devkitPPC")
+endif
+
+include $(DEVKITPPC)/wii_rules
+
+#---------------------------------------------------------------------------------
+# 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 extra header files
+#---------------------------------------------------------------------------------
+TARGET		:=	$(notdir $(CURDIR))
+BUILD		:=	build
+SOURCES		:=	source
+DATA		:=	data
+INCLUDES	:=	include
+
+#---------------------------------------------------------------------------------
+# options for code generation
+#---------------------------------------------------------------------------------
+
+CFLAGS	= -g -O2 -Wall $(MACHDEP) $(INCLUDE)
+CXXFLAGS	=	$(CFLAGS)
+
+LDFLAGS	=	-g $(MACHDEP) -Wl,-Map,$(notdir $@).map
+
+#---------------------------------------------------------------------------------
+# any extra libraries we wish to link with the project
+#---------------------------------------------------------------------------------
+LIBS	:=	-lwiiuse -lbte -logc -lm -lfat
+
+#---------------------------------------------------------------------------------
+# list of directories containing libraries, this must be the top level containing
+# include and lib
+#---------------------------------------------------------------------------------
+LIBDIRS	:=
+
+#---------------------------------------------------------------------------------
+# no real need to edit anything past this point unless you need to add additional
+# rules for different file extensions
+#---------------------------------------------------------------------------------
+ifneq ($(BUILD),$(notdir $(CURDIR)))
+#---------------------------------------------------------------------------------
+
+export OUTPUT	:=	$(CURDIR)/$(TARGET)
+
+export VPATH	:=	$(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
+					$(foreach dir,$(DATA),$(CURDIR)/$(dir))
+
+export DEPSDIR	:=	$(CURDIR)/$(BUILD)
+
+#---------------------------------------------------------------------------------
+# automatically build a list of object files for our project
+#---------------------------------------------------------------------------------
+CFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
+CPPFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
+sFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
+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_SOURCES := $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(sFILES:.s=.o) $(SFILES:.S=.o)
+export OFILES := $(OFILES_BIN) $(OFILES_SOURCES)
+
+export HFILES := $(addsuffix .h,$(subst .,_,$(BINFILES)))
+
+#---------------------------------------------------------------------------------
+# build a list of include paths
+#---------------------------------------------------------------------------------
+export INCLUDE	:=	$(foreach dir,$(INCLUDES), -iquote $(CURDIR)/$(dir)) \
+					$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
+					-I$(CURDIR)/$(BUILD) \
+					-I$(LIBOGC_INC)
+
+#---------------------------------------------------------------------------------
+# build a list of library paths
+#---------------------------------------------------------------------------------
+export LIBPATHS	:= -L$(LIBOGC_LIB) $(foreach dir,$(LIBDIRS),-L$(dir)/lib)
+
+export OUTPUT	:=	$(CURDIR)/$(TARGET)
+.PHONY: $(BUILD) clean
+
+#---------------------------------------------------------------------------------
+$(BUILD):
+	@[ -d $@ ] || mkdir -p $@
+	@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
+	@cp $(TARGET).dol boot.dol
+	@cp $(TARGET).dol ../installer/data/$(TARGET).dol
+
+#---------------------------------------------------------------------------------
+clean:
+	@echo clean ...
+	@rm -fr $(BUILD) $(OUTPUT).elf $(OUTPUT).dol
+
+#---------------------------------------------------------------------------------
+run:
+	wiiload $(TARGET).dol
+
+
+#---------------------------------------------------------------------------------
+else
+
+DEPENDS	:=	$(OFILES:.o=.d)
+
+#---------------------------------------------------------------------------------
+# main targets
+#---------------------------------------------------------------------------------
+$(OUTPUT).dol: $(OUTPUT).elf
+$(OUTPUT).elf: $(OFILES)
+
+$(OFILES_SOURCES) : $(HFILES)
+
+#---------------------------------------------------------------------------------
+# This rule links in binary data with the .bin extension
+#---------------------------------------------------------------------------------
+%.bin.o	%_bin.h :	%.bin
+#---------------------------------------------------------------------------------
+	@echo $(notdir $<)
+	$(bin2o)
+
+-include $(DEPENDS)
+
+#---------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------

bootloader/include/gpio.h

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+#pragma once
+
+//#define HW_GPIO_BASE 0x0d8000C0
+#define HW_GPIO_BASE 0xCD0000C0
+#define HW_GPIO_BASE_ADDR 0x0D8000C0
+
+#define HW_GPIOB_OUT        (*((vu32*)(HW_GPIO_BASE + 0x00)))
+#define HW_GPIOB_DIR        (*((vu32*)(HW_GPIO_BASE + 0x04)))
+#define HW_GPIOB_IN         (*((vu32*)(HW_GPIO_BASE + 0x08)))
+#define HW_GPIOB_INTLVL     (*((vu32*)(HW_GPIO_BASE + 0x0C)))
+#define HW_GPIOB_INTFLAG    (*((vu32*)(HW_GPIO_BASE + 0x10)))
+#define HW_GPIOB_INTMASK    (*((vu32*)(HW_GPIO_BASE + 0x14)))
+#define HW_GPIOB_INMIR      (*((vu32*)(HW_GPIO_BASE + 0x18)))
+#define HW_GPIO_ENABLE      (*((vu32*)(HW_GPIO_BASE + 0x1C)))
+#define HW_GPIO_OUT         (*((vu32*)(HW_GPIO_BASE + 0x20)))
+#define HW_GPIO_DIR         (*((vu32*)(HW_GPIO_BASE + 0x24)))
+#define HW_GPIO_IN          (*((vu32*)(HW_GPIO_BASE + 0x28)))
+#define HW_GPIO_INTLVL      (*((vu32*)(HW_GPIO_BASE + 0x2C)))
+#define HW_GPIO_INTFLAG     (*((vu32*)(HW_GPIO_BASE + 0x30)))
+#define HW_GPIO_INTMASK     (*((vu32*)(HW_GPIO_BASE + 0x34)))
+#define HW_GPIO_INMIR       (*((vu32*)(HW_GPIO_BASE + 0x38)))
+//#define HW_GPIO_OWNER		(HW_GPIO_BASE + 0x3C)
+
+#define HW_GPIOB_OUT_ADDR        (HW_GPIO_BASE_ADDR + 0x00)
+#define HW_GPIOB_DIR_ADDR        (HW_GPIO_BASE_ADDR + 0x04)
+#define HW_GPIOB_IN_ADDR         (HW_GPIO_BASE_ADDR + 0x08)
+#define HW_GPIOB_INTLVL_ADDR     (HW_GPIO_BASE_ADDR + 0x0C)
+#define HW_GPIOB_INTFLAG_ADDR    (HW_GPIO_BASE_ADDR + 0x10)
+#define HW_GPIOB_INTMASK_ADDR    (HW_GPIO_BASE_ADDR + 0x14)
+#define HW_GPIOB_INMIR_ADDR      (HW_GPIO_BASE_ADDR + 0x18)
+#define HW_GPIO_ENABLE_ADDR      (HW_GPIO_BASE_ADDR + 0x1C)
+#define HW_GPIO_OUT_ADDR         (HW_GPIO_BASE_ADDR + 0x20)
+#define HW_GPIO_DIR_ADDR         (HW_GPIO_BASE_ADDR + 0x24)
+#define HW_GPIO_IN_ADDR          (HW_GPIO_BASE_ADDR + 0x28)
+#define HW_GPIO_INTLVL_ADDR      (HW_GPIO_BASE_ADDR + 0x2C)
+#define HW_GPIO_INTFLAG_ADDR     (HW_GPIO_BASE_ADDR + 0x30)
+#define HW_GPIO_INTMASK_ADDR     (HW_GPIO_BASE_ADDR + 0x34)
+#define HW_GPIO_INMIR_ADDR       (HW_GPIO_BASE_ADDR + 0x38)
+#define HW_GPIO_OWNER_ADDR       (HW_GPIO_BASE_ADDR + 0x3C)
+
+#define GPIO_DEBUG0 (1<<16)
+#define GPIO_DEBUG1 (1<<17)
+#define GPIO_DEBUG2 (1<<18)
+#define GPIO_DEBUG3 (1<<19)
+#define GPIO_DEBUG4 (1<<20)
+#define GPIO_DEBUG5 (1<<21)
+#define GPIO_DEBUG6 (1<<22)
+#define GPIO_DEBUG7 (1<<23)

bootloader/include/i2c.h

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+#ifndef _I2C_H_
+#define _I2C_H_
+
+#include <gccore.h>
+
+#define GPIO_SCL (1<<14)
+#define GPIO_SDA (1<<15)
+#define GPIO_I2C (GPIO_SCL | GPIO_SDA)
+
+#define AVE_ADDR (0x70 << 1)
+#define LM49450_ADDR (0x7D << 1)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void i2c_setSCLDir(u8 dir);
+void i2c_setSDADir(u8 dir);
+void i2c_setSCL(u8 s);
+void i2c_setSDA(u8 s);
+u8 i2c_getSDA(void);
+void i2c_init(void);
+void i2c_deinit(void);
+void i2c_start(void);
+void i2c_stop(void);
+void i2c_restart(void);
+void i2c_ack(void);
+void i2c_nack(void);
+u8 i2c_sendByte(u8 byte);
+u8 i2c_getByte(void);
+
+u8 i2c_read8(u8 addr, u8 reg, u8* error);
+u16 i2c_read16(u8 addr, u8 reg, u8* error);
+void i2c_readBuffer(u8 addr, u8 reg, u8* error, u8* buffer, u16 len);
+void i2c_write8(u8 addr, u8 reg, u8 value, u8* error);
+void i2c_write16(u8 addr, u8 reg, u16 value, u8* error);
+void i2c_writeBuffer(u8 addr, u8 reg, u8* data, u16 len, u8* error);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

bootloader/include/system.h

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+#pragma once
+
+int reloadIOS(int ios, int* ahbprot);
+bool initFAT();
+void bootDOL(const char* path, const char* args);
+void bootPriiloader();
+void bootSysMenu();
+void systemError(const char* errorType, const char* error, ...);