From 1223bbc29de574bf8a572be190a5d43126369728 Mon Sep 17 00:00:00 2001 From: Maschell Date: Mon, 27 Dec 2021 16:53:04 +0100 Subject: [PATCH] WIP --- .gitmodules | 3 - Makefile | 20 +- homebrew_launcher_installer | 1 - sd_loader/.gitignore | 4 + sd_loader/Makefile | 191 +++++++++++ sd_loader/src/common.h | 42 +++ sd_loader/src/elf_abi.h | 591 +++++++++++++++++++++++++++++++++ sd_loader/src/entry.c | 620 +++++++++++++++++++++++++++++++++++ sd_loader/src/fs_defs.h | 60 ++++ sd_loader/src/kernel_defs.h | 74 +++++ sd_loader/src/kernel_hooks.S | 69 ++++ sd_loader/src/link.ld | 23 ++ sd_loader/src/loader_defs.h | 36 ++ sd_loader/src/os_defs.h | 38 +++ sd_loader/src/os_types.h | 215 ++++++++++++ source/hbl_install.cpp | 198 +++++++++++ source/hbl_install.h | 3 + source/kernel_defs.h | 74 +++++ source/kernel_patches.s | 211 ++++++++++++ source/logger.h | 23 ++ source/main.cpp | 157 ++++++--- source/utils.cpp | 39 +++ source/utils.h | 45 +++ 23 files changed, 2674 insertions(+), 63 deletions(-) delete mode 100644 .gitmodules delete mode 160000 homebrew_launcher_installer create mode 100644 sd_loader/.gitignore create mode 100644 sd_loader/Makefile create mode 100644 sd_loader/src/common.h create mode 100644 sd_loader/src/elf_abi.h create mode 100644 sd_loader/src/entry.c create mode 100644 sd_loader/src/fs_defs.h create mode 100644 sd_loader/src/kernel_defs.h create mode 100644 sd_loader/src/kernel_hooks.S create mode 100644 sd_loader/src/link.ld create mode 100644 sd_loader/src/loader_defs.h create mode 100644 sd_loader/src/os_defs.h create mode 100644 sd_loader/src/os_types.h create mode 100644 source/hbl_install.cpp create mode 100644 source/hbl_install.h create mode 100644 source/kernel_defs.h create mode 100644 source/kernel_patches.s create mode 100644 source/logger.h create mode 100644 source/utils.cpp create mode 100644 source/utils.h diff --git a/.gitmodules b/.gitmodules deleted file mode 100644 index fff8062..0000000 --- a/.gitmodules +++ /dev/null @@ -1,3 +0,0 @@ -[submodule "homebrew_launcher_installer"] - path = homebrew_launcher_installer - url = https://github.com/wiiu-env/homebrew_launcher_installer diff --git a/Makefile b/Makefile index 4a17a6e..a62c65e 100644 --- a/Makefile +++ b/Makefile @@ -33,8 +33,8 @@ CFLAGS += $(INCLUDE) -D__WIIU__ -D__WUT__ CXXFLAGS := $(CFLAGS) -std=c++20 -ASFLAGS := -g $(ARCH) -LDFLAGS = -g $(ARCH) $(RPXSPECS) -Wl,-Map,$(notdir $*.map) +ASFLAGS := -g $(ARCH) -mregnames +LDFLAGS = -g $(ARCH) $(RPXSPECS) --entry=_start -Wl,-Map,$(notdir $*.map) LIBS := -lwut -lz @@ -80,7 +80,7 @@ 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) payload.elf.o +export OFILES := $(OFILES_BIN) $(OFILES_SRC) sd_loader.elf.o export HFILES_BIN := $(addsuffix .h,$(subst .,_,$(BINFILES))) export INCLUDE := $(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \ @@ -96,13 +96,13 @@ all: $(BUILD) $(BUILD): @[ -d $@ ] || mkdir -p $@ - make -C homebrew_launcher_installer + make -C sd_loader @$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile #------------------------------------------------------------------------------- clean: @echo clean ... - make clean -C homebrew_launcher_installer + make clean -C sd_loader @rm -fr $(BUILD) $(TARGET).rpx $(TARGET).elf #------------------------------------------------------------------------------- @@ -115,23 +115,23 @@ DEPENDS := $(OFILES:.o=.d) # main targets #------------------------------------------------------------------------------- -hbl_installer_payload := ../homebrew_launcher_installer/payload.elf +sd_loader := ../sd_loader/sd_loader.elf all : $(OUTPUT).rpx -$(hbl_installer_payload): - make -C ../homebrew_launcher_installer +$(sd_loader): + make -C ../sd_loader $(OUTPUT).rpx : $(OUTPUT).elf $(OUTPUT).elf : $(OFILES) -$(OFILES) : hbl_installer_payload.h +$(OFILES) : sd_loader.h $(OFILES_SRC) : $(HFILES_BIN) #------------------------------------------------------------------------------- # you need a rule like this for each extension you use as binary data #------------------------------------------------------------------------------- -hbl_installer_payload.h: $(hbl_installer_payload) +sd_loader.h: $(sd_loader) @bin2s -a 32 -H `(echo $( $@ @printf '#include "' >> $@ diff --git a/homebrew_launcher_installer b/homebrew_launcher_installer deleted file mode 160000 index a3d477f..0000000 --- a/homebrew_launcher_installer +++ /dev/null @@ -1 +0,0 @@ -Subproject commit a3d477f1a3d1cc06d89574ee1cc047eb2c90ed7a diff --git a/sd_loader/.gitignore b/sd_loader/.gitignore new file mode 100644 index 0000000..0935e8f --- /dev/null +++ b/sd_loader/.gitignore @@ -0,0 +1,4 @@ +build/ +*.elf +sd_loader.c +sd_loader.h diff --git a/sd_loader/Makefile b/sd_loader/Makefile new file mode 100644 index 0000000..ef0bed0 --- /dev/null +++ b/sd_loader/Makefile @@ -0,0 +1,191 @@ +#--------------------------------------------------------------------------------- +# Clear the implicit built in rules +#--------------------------------------------------------------------------------- +.SUFFIXES: +#--------------------------------------------------------------------------------- +ifeq ($(strip $(DEVKITPPC)),) +$(error "Please set DEVKITPPC in your environment. export DEVKITPPC=devkitPPC") +endif +export PATH := $(DEVKITPPC)/bin:$(PORTLIBS)/bin:$(PATH) +export LIBOGC_INC := $(DEVKITPRO)/libogc/include +export LIBOGC_LIB := $(DEVKITPRO)/libogc/lib/wii +export PORTLIBS := $(DEVKITPRO)/portlibs/ppc + +PREFIX := powerpc-eabi- + +export AS := $(PREFIX)as +export CC := $(PREFIX)gcc +export CXX := $(PREFIX)g++ +export AR := $(PREFIX)ar +export OBJCOPY := $(PREFIX)objcopy + +#--------------------------------------------------------------------------------- +# 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 := sd_loader +BUILD := build +BUILD_DBG := $(TARGET)_dbg +SOURCES := src +DATA := +INCLUDES := + +#--------------------------------------------------------------------------------- +# options for code generation +#--------------------------------------------------------------------------------- +CFLAGS := -std=gnu11 -mrvl -mcpu=750 -meabi -mhard-float -ffast-math -fno-builtin \ + -Os -Wall -Wextra -Wno-unused-parameter -Wno-strict-aliasing $(INCLUDE) +CXXFLAGS := -std=gnu++11 -mrvl -mcpu=750 -meabi -mhard-float -ffast-math \ + -O3 -Wall -Wextra -Wno-unused-parameter -Wno-strict-aliasing $(INCLUDE) +ASFLAGS := -mregnames +LDFLAGS := -nostartfiles -Wl,--gc-sections + +Q := @ +MAKEFLAGS += --no-print-directory +#--------------------------------------------------------------------------------- +# any extra libraries we wish to link with the project +#--------------------------------------------------------------------------------- +LIBS := + +#--------------------------------------------------------------------------------- +# list of directories containing libraries, this must be the top level containing +# include and lib +#--------------------------------------------------------------------------------- +LIBDIRS := $(CURDIR) \ + $(DEVKITPPC)/lib \ + $(DEVKITPPC)/lib/gcc/powerpc-eabi/4.8.2 + + +#--------------------------------------------------------------------------------- +# no real need to edit anything past this point unless you need to add additional +# rules for different file extensions +#--------------------------------------------------------------------------------- +ifneq ($(BUILD),$(notdir $(CURDIR))) +#--------------------------------------------------------------------------------- +export PROJECTDIR := $(CURDIR) +export OUTPUT := $(CURDIR)/$(TARGETDIR)/$(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)/*.*))) +TTFFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.ttf))) +PNGFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.png))) + +#--------------------------------------------------------------------------------- +# use CXX for linking C++ projects, CC for standard C +#--------------------------------------------------------------------------------- +ifeq ($(strip $(CPPFILES)),) + export LD := $(CC) +else + export LD := $(CXX) +endif + +export OFILES := $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) \ + $(sFILES:.s=.o) $(SFILES:.S=.o) \ + $(PNGFILES:.png=.png.o) $(addsuffix .o,$(BINFILES)) + +#--------------------------------------------------------------------------------- +# build a list of include paths +#--------------------------------------------------------------------------------- +export INCLUDE := $(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \ + $(foreach dir,$(LIBDIRS),-I$(dir)/include) \ + -I$(CURDIR)/$(BUILD) -I$(LIBOGC_INC) \ + -I$(PORTLIBS)/include -I$(PORTLIBS)/include/freetype2 + +#--------------------------------------------------------------------------------- +# path to tools +#--------------------------------------------------------------------------------- +DEVKITPATH=$(shell echo "$(DEVKITPRO)" | sed -e 's/^\([a-zA-Z]\):/\/\1/') +export PATH := $(DEVKITPATH)/tools/bin:$(DEVKITPATH)/devkitPPC/bin:$(PATH) + +#--------------------------------------------------------------------------------- +# build a list of library paths +#--------------------------------------------------------------------------------- +export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib) \ + -L$(LIBOGC_LIB) -L$(PORTLIBS)/lib + +export OUTPUT := $(CURDIR)/$(TARGET) +.PHONY: $(BUILD) clean install + +#--------------------------------------------------------------------------------- +$(BUILD): + @[ -d $@ ] || mkdir -p $@ + @$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile + +#--------------------------------------------------------------------------------- +clean: + @echo clean ... + @rm -fr $(BUILD) $(OUTPUT).elf $(OUTPUT).bin $(BUILD_DBG).elf $(BUILD_DBG).c $(BUILD_DBG).h + +#--------------------------------------------------------------------------------- +else + +DEPENDS := $(OFILES:.o=.d) + +#--------------------------------------------------------------------------------- +# main targets +#--------------------------------------------------------------------------------- +$(OUTPUT).h: $(OFILES) + +$(OUTPUT).c: $(OUTPUT).elf + @raw2c $< + @cp $(TARGET).c $@ + +$(OUTPUT).h: $(OUTPUT).c + @cp $(TARGET).h $@ + +#--------------------------------------------------------------------------------- +# This rule links in binary data with the .jpg extension +#--------------------------------------------------------------------------------- +%.elf: link.ld $(OFILES) + @echo "linking ... $(TARGET).elf" + $(Q)$(LD) -n -T $^ $(LDFLAGS) -o ../$(BUILD_DBG).elf $(LIBPATHS) $(LIBS) + $(Q)$(OBJCOPY) -S -R .comment -R .gnu.attributes ../$(BUILD_DBG).elf $@ + +#--------------------------------------------------------------------------------- +%.a: +#--------------------------------------------------------------------------------- + @echo $(notdir $@) + @rm -f $@ + @$(AR) -rc $@ $^ + +#--------------------------------------------------------------------------------- +%.o: %.cpp + @echo $(notdir $<) + @$(CXX) -MMD -MP -MF $(DEPSDIR)/$*.d $(CXXFLAGS) -c $< -o $@ $(ERROR_FILTER) + +#--------------------------------------------------------------------------------- +%.o: %.c + @echo $(notdir $<) + @$(CC) -MMD -MP -MF $(DEPSDIR)/$*.d $(CFLAGS) -c $< -o $@ $(ERROR_FILTER) + +#--------------------------------------------------------------------------------- +%.o: %.S + @echo $(notdir $<) + @$(CC) -MMD -MP -MF $(DEPSDIR)/$*.d -x assembler-with-cpp $(ASFLAGS) -c $< -o $@ $(ERROR_FILTER) + +#--------------------------------------------------------------------------------- +%.png.o : %.png + @echo $(notdir $<) + @bin2s -a 32 $< | $(AS) -o $(@) + +#--------------------------------------------------------------------------------- +%.ttf.o : %.ttf + @echo $(notdir $<) + @bin2s -a 32 $< | $(AS) -o $(@) + +-include $(DEPENDS) + +#--------------------------------------------------------------------------------- +endif +#--------------------------------------------------------------------------------- diff --git a/sd_loader/src/common.h b/sd_loader/src/common.h new file mode 100644 index 0000000..71beaae --- /dev/null +++ b/sd_loader/src/common.h @@ -0,0 +1,42 @@ +#ifndef COMMON_H +#define COMMON_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include "os_defs.h" + +#define HBL_VERSION "v1.4" + +#define CAFE_OS_SD_PATH "/vol/external01" +#define SD_PATH "sd:" +#define WIIU_PATH "/wiiu" + +#ifndef MEM_BASE +#define MEM_BASE (0x00800000) +#endif + +#define ELF_DATA_ADDR (*(volatile unsigned int*)(MEM_BASE + 0x1300 + 0x00)) +#define ELF_DATA_SIZE (*(volatile unsigned int*)(MEM_BASE + 0x1300 + 0x04)) +#define HBL_CHANNEL (*(volatile unsigned int*)(MEM_BASE + 0x1300 + 0x08)) +#define RPX_MAX_SIZE (*(volatile unsigned int*)(MEM_BASE + 0x1300 + 0x0C)) +#define RPX_MAX_CODE_SIZE (*(volatile unsigned int*)(MEM_BASE + 0x1300 + 0x10)) +#define MAIN_ENTRY_ADDR (*(volatile unsigned int*)(MEM_BASE + 0x1400 + 0x00)) +#define OS_FIRMWARE (*(volatile unsigned int*)(MEM_BASE + 0x1400 + 0x04)) + +#define OS_SPECIFICS ((OsSpecifics*)(MEM_BASE + 0x1500)) + +#define MEM_AREA_TABLE ((s_mem_area*)(MEM_BASE + 0x1600)) + +#ifndef EXIT_SUCCESS +#define EXIT_SUCCESS 0 +#endif +#define EXIT_RELAUNCH_ON_LOAD 0xFFFFFFFD + +#ifdef __cplusplus +} +#endif + +#endif /* COMMON_H */ + diff --git a/sd_loader/src/elf_abi.h b/sd_loader/src/elf_abi.h new file mode 100644 index 0000000..4d9c796 --- /dev/null +++ b/sd_loader/src/elf_abi.h @@ -0,0 +1,591 @@ +/* + * Copyright (c) 1995, 1996, 2001, 2002 + * Erik Theisen. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * This is the ELF ABI header file + * formerly known as "elf_abi.h". + */ + +#ifndef _ELF_ABI_H +#define _ELF_ABI_H + +/* + * This version doesn't work for 64-bit ABIs - Erik. + */ + +/* + * These typedefs need to be handled better. + */ +typedef unsigned int Elf32_Addr; /* Unsigned program address */ +typedef unsigned int Elf32_Off; /* Unsigned file offset */ +typedef signed int Elf32_Sword; /* Signed large integer */ +typedef unsigned int Elf32_Word; /* Unsigned large integer */ +typedef unsigned short Elf32_Half; /* Unsigned medium integer */ + +/* e_ident[] identification indexes */ +#define EI_MAG0 0 /* file ID */ +#define EI_MAG1 1 /* file ID */ +#define EI_MAG2 2 /* file ID */ +#define EI_MAG3 3 /* file ID */ +#define EI_CLASS 4 /* file class */ +#define EI_DATA 5 /* data encoding */ +#define EI_VERSION 6 /* ELF header version */ +#define EI_OSABI 7 /* OS/ABI specific ELF extensions */ +#define EI_ABIVERSION 8 /* ABI target version */ +#define EI_PAD 9 /* start of pad bytes */ +#define EI_NIDENT 16 /* Size of e_ident[] */ + +/* e_ident[] magic number */ +#define ELFMAG0 0x7f /* e_ident[EI_MAG0] */ +#define ELFMAG1 'E' /* e_ident[EI_MAG1] */ +#define ELFMAG2 'L' /* e_ident[EI_MAG2] */ +#define ELFMAG3 'F' /* e_ident[EI_MAG3] */ +#define ELFMAG "\177ELF" /* magic */ +#define SELFMAG 4 /* size of magic */ + +/* e_ident[] file class */ +#define ELFCLASSNONE 0 /* invalid */ +#define ELFCLASsigned int 1 /* 32-bit objs */ +#define ELFCLASS64 2 /* 64-bit objs */ +#define ELFCLASSNUM 3 /* number of classes */ + +/* e_ident[] data encoding */ +#define ELFDATANONE 0 /* invalid */ +#define ELFDATA2LSB 1 /* Little-Endian */ +#define ELFDATA2MSB 2 /* Big-Endian */ +#define ELFDATANUM 3 /* number of data encode defines */ + +/* e_ident[] OS/ABI specific ELF extensions */ +#define ELFOSABI_NONE 0 /* No extension specified */ +#define ELFOSABI_HPUX 1 /* Hewlett-Packard HP-UX */ +#define ELFOSABI_NETBSD 2 /* NetBSD */ +#define ELFOSABI_LINUX 3 /* Linux */ +#define ELFOSABI_SOLARIS 6 /* Sun Solaris */ +#define ELFOSABI_AIX 7 /* AIX */ +#define ELFOSABI_IRIX 8 /* IRIX */ +#define ELFOSABI_FREEBSD 9 /* FreeBSD */ +#define ELFOSABI_TRU64 10 /* Compaq TRU64 UNIX */ +#define ELFOSABI_MODESTO 11 /* Novell Modesto */ +#define ELFOSABI_OPENBSD 12 /* OpenBSD */ +/* 64-255 Architecture-specific value range */ + +/* e_ident[] ABI Version */ +#define ELFABIVERSION 0 + +/* e_ident */ +#define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \ + (ehdr).e_ident[EI_MAG1] == ELFMAG1 && \ + (ehdr).e_ident[EI_MAG2] == ELFMAG2 && \ + (ehdr).e_ident[EI_MAG3] == ELFMAG3) + +/* ELF Header */ +typedef struct elfhdr{ + unsigned char e_ident[EI_NIDENT]; /* ELF Identification */ + Elf32_Half e_type; /* object file type */ + Elf32_Half e_machine; /* machine */ + Elf32_Word e_version; /* object file version */ + Elf32_Addr e_entry; /* virtual entry point */ + Elf32_Off e_phoff; /* program header table offset */ + Elf32_Off e_shoff; /* section header table offset */ + Elf32_Word e_flags; /* processor-specific flags */ + Elf32_Half e_ehsize; /* ELF header size */ + Elf32_Half e_phentsize; /* program header entry size */ + Elf32_Half e_phnum; /* number of program header entries */ + Elf32_Half e_shentsize; /* section header entry size */ + Elf32_Half e_shnum; /* number of section header entries */ + Elf32_Half e_shstrndx; /* section header table's "section + header string table" entry offset */ +} Elf32_Ehdr; + +/* e_type */ +#define ET_NONE 0 /* No file type */ +#define ET_REL 1 /* relocatable file */ +#define ET_EXEC 2 /* executable file */ +#define ET_DYN 3 /* shared object file */ +#define ET_CORE 4 /* core file */ +#define ET_NUM 5 /* number of types */ +#define ET_LOOS 0xfe00 /* reserved range for operating */ +#define ET_HIOS 0xfeff /* system specific e_type */ +#define ET_LOPROC 0xff00 /* reserved range for processor */ +#define ET_HIPROC 0xffff /* specific e_type */ + +/* e_machine */ +#define EM_NONE 0 /* No Machine */ +#define EM_M32 1 /* AT&T WE 32100 */ +#define EM_SPARC 2 /* SPARC */ +#define EM_386 3 /* Intel 80386 */ +#define EM_68K 4 /* Motorola 68000 */ +#define EM_88K 5 /* Motorola 88000 */ +#if 0 +#define EM_486 6 /* RESERVED - was Intel 80486 */ +#endif +#define EM_860 7 /* Intel 80860 */ +#define EM_MIPS 8 /* MIPS R3000 Big-Endian only */ +#define EM_S370 9 /* IBM System/370 Processor */ +#define EM_MIPS_RS4_BE 10 /* MIPS R4000 Big-Endian */ +#if 0 +#define EM_SPARC64 11 /* RESERVED - was SPARC v9 + 64-bit unoffical */ +#endif +/* RESERVED 11-14 for future use */ +#define EM_PARISC 15 /* HPPA */ +/* RESERVED 16 for future use */ +#define EM_VPP500 17 /* Fujitsu VPP500 */ +#define EM_SPARC32PLUS 18 /* Enhanced instruction set SPARC */ +#define EM_960 19 /* Intel 80960 */ +#define EM_PPC 20 /* PowerPC */ +#define EM_PPC64 21 /* 64-bit PowerPC */ +#define EM_S390 22 /* IBM System/390 Processor */ +/* RESERVED 23-35 for future use */ +#define EM_V800 36 /* NEC V800 */ +#define EM_FR20 37 /* Fujitsu FR20 */ +#define EM_RH32 38 /* TRW RH-32 */ +#define EM_RCE 39 /* Motorola RCE */ +#define EM_ARM 40 /* Advanced Risc Machines ARM */ +#define EM_ALPHA 41 /* Digital Alpha */ +#define EM_SH 42 /* Hitachi SH */ +#define EM_SPARCV9 43 /* SPARC Version 9 */ +#define EM_TRICORE 44 /* Siemens TriCore embedded processor */ +#define EM_ARC 45 /* Argonaut RISC Core */ +#define EM_H8_300 46 /* Hitachi H8/300 */ +#define EM_H8_300H 47 /* Hitachi H8/300H */ +#define EM_H8S 48 /* Hitachi H8S */ +#define EM_H8_500 49 /* Hitachi H8/500 */ +#define EM_IA_64 50 /* Intel Merced */ +#define EM_MIPS_X 51 /* Stanford MIPS-X */ +#define EM_COLDFIRE 52 /* Motorola Coldfire */ +#define EM_68HC12 53 /* Motorola M68HC12 */ +#define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator*/ +#define EM_PCP 55 /* Siemens PCP */ +#define EM_NCPU 56 /* Sony nCPU embeeded RISC */ +#define EM_NDR1 57 /* Denso NDR1 microprocessor */ +#define EM_STARCORE 58 /* Motorola Start*Core processor */ +#define EM_ME16 59 /* Toyota ME16 processor */ +#define EM_ST100 60 /* STMicroelectronic ST100 processor */ +#define EM_TINYJ 61 /* Advanced Logic Corp. Tinyj emb.fam*/ +#define EM_X86_64 62 /* AMD x86-64 */ +#define EM_PDSP 63 /* Sony DSP Processor */ +/* RESERVED 64,65 for future use */ +#define EM_FX66 66 /* Siemens FX66 microcontroller */ +#define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 mc */ +#define EM_ST7 68 /* STmicroelectronics ST7 8 bit mc */ +#define EM_68HC16 69 /* Motorola MC68HC16 microcontroller */ +#define EM_68HC11 70 /* Motorola MC68HC11 microcontroller */ +#define EM_68HC08 71 /* Motorola MC68HC08 microcontroller */ +#define EM_68HC05 72 /* Motorola MC68HC05 microcontroller */ +#define EM_SVX 73 /* Silicon Graphics SVx */ +#define EM_ST19 74 /* STMicroelectronics ST19 8 bit mc */ +#define EM_VAX 75 /* Digital VAX */ +#define EM_CHRIS 76 /* Axis Communications embedded proc. */ +#define EM_JAVELIN 77 /* Infineon Technologies emb. proc. */ +#define EM_FIREPATH 78 /* Element 14 64-bit DSP Processor */ +#define EM_ZSP 79 /* LSI Logic 16-bit DSP Processor */ +#define EM_MMIX 80 /* Donald Knuth's edu 64-bit proc. */ +#define EM_HUANY 81 /* Harvard University mach-indep objs */ +#define EM_PRISM 82 /* SiTera Prism */ +#define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */ +#define EM_FR30 84 /* Fujitsu FR30 */ +#define EM_D10V 85 /* Mitsubishi DV10V */ +#define EM_D30V 86 /* Mitsubishi DV30V */ +#define EM_V850 87 /* NEC v850 */ +#define EM_M32R 88 /* Mitsubishi M32R */ +#define EM_MN10300 89 /* Matsushita MN10200 */ +#define EM_MN10200 90 /* Matsushita MN10200 */ +#define EM_PJ 91 /* picoJava */ +#define EM_NUM 92 /* number of machine types */ + +/* Version */ +#define EV_NONE 0 /* Invalid */ +#define EV_CURRENT 1 /* Current */ +#define EV_NUM 2 /* number of versions */ + +/* Section Header */ +typedef struct { + Elf32_Word sh_name; /* name - index into section header + string table section */ + Elf32_Word sh_type; /* type */ + Elf32_Word sh_flags; /* flags */ + Elf32_Addr sh_addr; /* address */ + Elf32_Off sh_offset; /* file offset */ + Elf32_Word sh_size; /* section size */ + Elf32_Word sh_link; /* section header table index link */ + Elf32_Word sh_info; /* extra information */ + Elf32_Word sh_addralign; /* address alignment */ + Elf32_Word sh_entsize; /* section entry size */ +} Elf32_Shdr; + +/* Special Section Indexes */ +#define SHN_UNDEF 0 /* undefined */ +#define SHN_LORESERVE 0xff00 /* lower bounds of reserved indexes */ +#define SHN_LOPROC 0xff00 /* reserved range for processor */ +#define SHN_HIPROC 0xff1f /* specific section indexes */ +#define SHN_LOOS 0xff20 /* reserved range for operating */ +#define SHN_HIOS 0xff3f /* specific semantics */ +#define SHN_ABS 0xfff1 /* absolute value */ +#define SHN_COMMON 0xfff2 /* common symbol */ +#define SHN_XINDEX 0xffff /* Index is an extra table */ +#define SHN_HIRESERVE 0xffff /* upper bounds of reserved indexes */ + +/* sh_type */ +#define SHT_NULL 0 /* inactive */ +#define SHT_PROGBITS 1 /* program defined information */ +#define SHT_SYMTAB 2 /* symbol table section */ +#define SHT_STRTAB 3 /* string table section */ +#define SHT_RELA 4 /* relocation section with addends*/ +#define SHT_HASH 5 /* symbol hash table section */ +#define SHT_DYNAMIC 6 /* dynamic section */ +#define SHT_NOTE 7 /* note section */ +#define SHT_NOBITS 8 /* no space section */ +#define SHT_REL 9 /* relation section without addends */ +#define SHT_SHLIB 10 /* reserved - purpose unknown */ +#define SHT_DYNSYM 11 /* dynamic symbol table section */ +#define SHT_INIT_ARRAY 14 /* Array of constructors */ +#define SHT_FINI_ARRAY 15 /* Array of destructors */ +#define SHT_PREINIT_ARRAY 16 /* Array of pre-constructors */ +#define SHT_GROUP 17 /* Section group */ +#define SHT_SYMTAB_SHNDX 18 /* Extended section indeces */ +#define SHT_NUM 19 /* number of section types */ +#define SHT_LOOS 0x60000000 /* Start OS-specific */ +#define SHT_HIOS 0x6fffffff /* End OS-specific */ +#define SHT_LOPROC 0x70000000 /* reserved range for processor */ +#define SHT_HIPROC 0x7fffffff /* specific section header types */ +#define SHT_LOUSER 0x80000000 /* reserved range for application */ +#define SHT_HIUSER 0xffffffff /* specific indexes */ + +/* Section names */ +#define ELF_BSS ".bss" /* uninitialized data */ +#define ELF_COMMENT ".comment" /* version control information */ +#define ELF_DATA ".data" /* initialized data */ +#define ELF_DATA1 ".data1" /* initialized data */ +#define ELF_DEBUG ".debug" /* debug */ +#define ELF_DYNAMIC ".dynamic" /* dynamic linking information */ +#define ELF_DYNSTR ".dynstr" /* dynamic string table */ +#define ELF_DYNSYM ".dynsym" /* dynamic symbol table */ +#define ELF_FINI ".fini" /* termination code */ +#define ELF_FINI_ARRAY ".fini_array" /* Array of destructors */ +#define ELF_GOT ".got" /* global offset table */ +#define ELF_HASH ".hash" /* symbol hash table */ +#define ELF_INIT ".init" /* initialization code */ +#define ELF_INIT_ARRAY ".init_array" /* Array of constuctors */ +#define ELF_INTERP ".interp" /* Pathname of program interpreter */ +#define ELF_LINE ".line" /* Symbolic line numnber information */ +#define ELF_NOTE ".note" /* Contains note section */ +#define ELF_PLT ".plt" /* Procedure linkage table */ +#define ELF_PREINIT_ARRAY ".preinit_array" /* Array of pre-constructors */ +#define ELF_REL_DATA ".rel.data" /* relocation data */ +#define ELF_REL_FINI ".rel.fini" /* relocation termination code */ +#define ELF_REL_INIT ".rel.init" /* relocation initialization code */ +#define ELF_REL_DYN ".rel.dyn" /* relocaltion dynamic link info */ +#define ELF_REL_RODATA ".rel.rodata" /* relocation read-only data */ +#define ELF_REL_TEXT ".rel.text" /* relocation code */ +#define ELF_RODATA ".rodata" /* read-only data */ +#define ELF_RODATA1 ".rodata1" /* read-only data */ +#define ELF_SHSTRTAB ".shstrtab" /* section header string table */ +#define ELF_STRTAB ".strtab" /* string table */ +#define ELF_SYMTAB ".symtab" /* symbol table */ +#define ELF_SYMTAB_SHNDX ".symtab_shndx"/* symbol table section index */ +#define ELF_TBSS ".tbss" /* thread local uninit data */ +#define ELF_TDATA ".tdata" /* thread local init data */ +#define ELF_TDATA1 ".tdata1" /* thread local init data */ +#define ELF_TEXT ".text" /* code */ + +/* Section Attribute Flags - sh_flags */ +#define SHF_WRITE 0x1 /* Writable */ +#define SHF_ALLOC 0x2 /* occupies memory */ +#define SHF_EXECINSTR 0x4 /* executable */ +#define SHF_MERGE 0x10 /* Might be merged */ +#define SHF_STRINGS 0x20 /* Contains NULL terminated strings */ +#define SHF_INFO_LINK 0x40 /* sh_info contains SHT index */ +#define SHF_LINK_ORDER 0x80 /* Preserve order after combining*/ +#define SHF_OS_NONCONFORMING 0x100 /* Non-standard OS specific handling */ +#define SHF_GROUP 0x200 /* Member of section group */ +#define SHF_TLS 0x400 /* Thread local storage */ +#define SHF_MASKOS 0x0ff00000 /* OS specific */ +#define SHF_MASKPROC 0xf0000000 /* reserved bits for processor */ + /* specific section attributes */ + +/* Section Group Flags */ +#define GRP_COMDAT 0x1 /* COMDAT group */ +#define GRP_MASKOS 0x0ff00000 /* Mask OS specific flags */ +#define GRP_MASKPROC 0xf0000000 /* Mask processor specific flags */ + +/* Symbol Table Entry */ +typedef struct elf32_sym { + Elf32_Word st_name; /* name - index into string table */ + Elf32_Addr st_value; /* symbol value */ + Elf32_Word st_size; /* symbol size */ + unsigned char st_info; /* type and binding */ + unsigned char st_other; /* 0 - no defined meaning */ + Elf32_Half st_shndx; /* section header index */ +} Elf32_Sym; + +/* Symbol table index */ +#define STN_UNDEF 0 /* undefined */ + +/* Extract symbol info - st_info */ +#define ELF32_ST_BIND(x) ((x) >> 4) +#define ELF32_ST_TYPE(x) (((unsigned int) x) & 0xf) +#define ELF32_ST_INFO(b,t) (((b) << 4) + ((t) & 0xf)) +#define ELF32_ST_VISIBILITY(x) ((x) & 0x3) + +/* Symbol Binding - ELF32_ST_BIND - st_info */ +#define STB_LOCAL 0 /* Local symbol */ +#define STB_GLOBAL 1 /* Global symbol */ +#define STB_WEAK 2 /* like global - lower precedence */ +#define STB_NUM 3 /* number of symbol bindings */ +#define STB_LOOS 10 /* reserved range for operating */ +#define STB_HIOS 12 /* system specific symbol bindings */ +#define STB_LOPROC 13 /* reserved range for processor */ +#define STB_HIPROC 15 /* specific symbol bindings */ + +/* Symbol type - ELF32_ST_TYPE - st_info */ +#define STT_NOTYPE 0 /* not specified */ +#define STT_OBJECT 1 /* data object */ +#define STT_FUNC 2 /* function */ +#define STT_SECTION 3 /* section */ +#define STT_FILE 4 /* file */ +#define STT_NUM 5 /* number of symbol types */ +#define STT_TLS 6 /* Thread local storage symbol */ +#define STT_LOOS 10 /* reserved range for operating */ +#define STT_HIOS 12 /* system specific symbol types */ +#define STT_LOPROC 13 /* reserved range for processor */ +#define STT_HIPROC 15 /* specific symbol types */ + +/* Symbol visibility - ELF32_ST_VISIBILITY - st_other */ +#define STV_DEFAULT 0 /* Normal visibility rules */ +#define STV_INTERNAL 1 /* Processor specific hidden class */ +#define STV_HIDDEN 2 /* Symbol unavailable in other mods */ +#define STV_PROTECTED 3 /* Not preemptible, not exported */ + + +/* Relocation entry with implicit addend */ +typedef struct +{ + Elf32_Addr r_offset; /* offset of relocation */ + Elf32_Word r_info; /* symbol table index and type */ +} Elf32_Rel; + +/* Relocation entry with explicit addend */ +typedef struct +{ + Elf32_Addr r_offset; /* offset of relocation */ + Elf32_Word r_info; /* symbol table index and type */ + Elf32_Sword r_addend; +} Elf32_Rela; + +/* Extract relocation info - r_info */ +#define ELF32_R_SYM(i) ((i) >> 8) +#define ELF32_R_TYPE(i) ((unsigned char) (i)) +#define ELF32_R_INFO(s,t) (((s) << 8) + (unsigned char)(t)) + +/* Program Header */ +typedef struct { + Elf32_Word p_type; /* segment type */ + Elf32_Off p_offset; /* segment offset */ + Elf32_Addr p_vaddr; /* virtual address of segment */ + Elf32_Addr p_paddr; /* physical address - ignored? */ + Elf32_Word p_filesz; /* number of bytes in file for seg. */ + Elf32_Word p_memsz; /* number of bytes in mem. for seg. */ + Elf32_Word p_flags; /* flags */ + Elf32_Word p_align; /* memory alignment */ +} Elf32_Phdr; + +/* Segment types - p_type */ +#define PT_NULL 0 /* unused */ +#define PT_LOAD 1 /* loadable segment */ +#define PT_DYNAMIC 2 /* dynamic linking section */ +#define PT_INTERP 3 /* the RTLD */ +#define PT_NOTE 4 /* auxiliary information */ +#define PT_SHLIB 5 /* reserved - purpose undefined */ +#define PT_PHDR 6 /* program header */ +#define PT_TLS 7 /* Thread local storage template */ +#define PT_NUM 8 /* Number of segment types */ +#define PT_LOOS 0x60000000 /* reserved range for operating */ +#define PT_HIOS 0x6fffffff /* system specific segment types */ +#define PT_LOPROC 0x70000000 /* reserved range for processor */ +#define PT_HIPROC 0x7fffffff /* specific segment types */ + +/* Segment flags - p_flags */ +#define PF_X 0x1 /* Executable */ +#define PF_W 0x2 /* Writable */ +#define PF_R 0x4 /* Readable */ +#define PF_MASKOS 0x0ff00000 /* OS specific segment flags */ +#define PF_MASKPROC 0xf0000000 /* reserved bits for processor */ + /* specific segment flags */ +/* Dynamic structure */ +typedef struct +{ + Elf32_Sword d_tag; /* controls meaning of d_val */ + union + { + Elf32_Word d_val; /* Multiple meanings - see d_tag */ + Elf32_Addr d_ptr; /* program virtual address */ + } d_un; +} Elf32_Dyn; + +extern Elf32_Dyn _DYNAMIC[]; + +/* Dynamic Array Tags - d_tag */ +#define DT_NULL 0 /* marks end of _DYNAMIC array */ +#define DT_NEEDED 1 /* string table offset of needed lib */ +#define DT_PLTRELSZ 2 /* size of relocation entries in PLT */ +#define DT_PLTGOT 3 /* address PLT/GOT */ +#define DT_HASH 4 /* address of symbol hash table */ +#define DT_STRTAB 5 /* address of string table */ +#define DT_SYMTAB 6 /* address of symbol table */ +#define DT_RELA 7 /* address of relocation table */ +#define DT_RELASZ 8 /* size of relocation table */ +#define DT_RELAENT 9 /* size of relocation entry */ +#define DT_STRSZ 10 /* size of string table */ +#define DT_SYMENT 11 /* size of symbol table entry */ +#define DT_INIT 12 /* address of initialization func. */ +#define DT_FINI 13 /* address of termination function */ +#define DT_SONAME 14 /* string table offset of shared obj */ +#define DT_RPATH 15 /* string table offset of library + search path */ +#define DT_SYMBOLIC 16 /* start sym search in shared obj. */ +#define DT_REL 17 /* address of rel. tbl. w addends */ +#define DT_RELSZ 18 /* size of DT_REL relocation table */ +#define DT_RELENT 19 /* size of DT_REL relocation entry */ +#define DT_PLTREL 20 /* PLT referenced relocation entry */ +#define DT_DEBUG 21 /* bugger */ +#define DT_TEXTREL 22 /* Allow rel. mod. to unwritable seg */ +#define DT_JMPREL 23 /* add. of PLT's relocation entries */ +#define DT_BIND_NOW 24 /* Process relocations of object */ +#define DT_INIT_ARRAY 25 /* Array with addresses of init fct */ +#define DT_FINI_ARRAY 26 /* Array with addresses of fini fct */ +#define DT_INIT_ARRAYSZ 27 /* Size in bytes of DT_INIT_ARRAY */ +#define DT_FINI_ARRAYSZ 28 /* Size in bytes of DT_FINI_ARRAY */ +#define DT_RUNPATH 29 /* Library search path */ +#define DT_FLAGS 30 /* Flags for the object being loaded */ +#define DT_ENCODING 32 /* Start of encoded range */ +#define DT_PREINIT_ARRAY 32 /* Array with addresses of preinit fct*/ +#define DT_PREINIT_ARRAYSZ 33 /* size in bytes of DT_PREINIT_ARRAY */ +#define DT_NUM 34 /* Number used. */ +#define DT_LOOS 0x60000000 /* reserved range for OS */ +#define DT_HIOS 0x6fffffff /* specific dynamic array tags */ +#define DT_LOPROC 0x70000000 /* reserved range for processor */ +#define DT_HIPROC 0x7fffffff /* specific dynamic array tags */ + +/* Dynamic Tag Flags - d_un.d_val */ +#define DF_ORIGIN 0x01 /* Object may use DF_ORIGIN */ +#define DF_SYMBOLIC 0x02 /* Symbol resolutions starts here */ +#define DF_TEXTREL 0x04 /* Object contains text relocations */ +#define DF_BIND_NOW 0x08 /* No lazy binding for this object */ +#define DF_STATIC_TLS 0x10 /* Static thread local storage */ + +/* Standard ELF hashing function */ +unsigned long elf_hash(const unsigned char *name); + +#define ELF_TARG_VER 1 /* The ver for which this code is intended */ + +/* + * XXX - PowerPC defines really don't belong in here, + * but we'll put them in for simplicity. + */ + +/* Values for Elf32/64_Ehdr.e_flags. */ +#define EF_PPC_EMB 0x80000000 /* PowerPC embedded flag */ + +/* Cygnus local bits below */ +#define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag*/ +#define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib + flag */ + +/* PowerPC relocations defined by the ABIs */ +#define R_PPC_NONE 0 +#define R_PPC_ADDR32 1 /* 32bit absolute address */ +#define R_PPC_ADDR24 2 /* 26bit address, 2 bits ignored. */ +#define R_PPC_ADDR16 3 /* 16bit absolute address */ +#define R_PPC_ADDR16_LO 4 /* lower 16bit of absolute address */ +#define R_PPC_ADDR16_HI 5 /* high 16bit of absolute address */ +#define R_PPC_ADDR16_HA 6 /* adjusted high 16bit */ +#define R_PPC_ADDR14 7 /* 16bit address, 2 bits ignored */ +#define R_PPC_ADDR14_BRTAKEN 8 +#define R_PPC_ADDR14_BRNTAKEN 9 +#define R_PPC_REL24 10 /* PC relative 26 bit */ +#define R_PPC_REL14 11 /* PC relative 16 bit */ +#define R_PPC_REL14_BRTAKEN 12 +#define R_PPC_REL14_BRNTAKEN 13 +#define R_PPC_GOT16 14 +#define R_PPC_GOT16_LO 15 +#define R_PPC_GOT16_HI 16 +#define R_PPC_GOT16_HA 17 +#define R_PPC_PLTREL24 18 +#define R_PPC_COPY 19 +#define R_PPC_GLOB_DAT 20 +#define R_PPC_JMP_SLOT 21 +#define R_PPC_RELATIVE 22 +#define R_PPC_LOCAL24PC 23 +#define R_PPC_UADDR32 24 +#define R_PPC_UADDR16 25 +#define R_PPC_REL32 26 +#define R_PPC_PLT32 27 +#define R_PPC_PLTREL32 28 +#define R_PPC_PLT16_LO 29 +#define R_PPC_PLT16_HI 30 +#define R_PPC_PLT16_HA 31 +#define R_PPC_SDAREL16 32 +#define R_PPC_SECTOFF 33 +#define R_PPC_SECTOFF_LO 34 +#define R_PPC_SECTOFF_HI 35 +#define R_PPC_SECTOFF_HA 36 +/* Keep this the last entry. */ +#define R_PPC_NUM 37 + +/* The remaining relocs are from the Embedded ELF ABI, and are not + in the SVR4 ELF ABI. */ +#define R_PPC_EMB_NADDR32 101 +#define R_PPC_EMB_NADDR16 102 +#define R_PPC_EMB_NADDR16_LO 103 +#define R_PPC_EMB_NADDR16_HI 104 +#define R_PPC_EMB_NADDR16_HA 105 +#define R_PPC_EMB_SDAI16 106 +#define R_PPC_EMB_SDA2I16 107 +#define R_PPC_EMB_SDA2REL 108 +#define R_PPC_EMB_SDA21 109 /* 16 bit offset in SDA */ +#define R_PPC_EMB_MRKREF 110 +#define R_PPC_EMB_RELSEC16 111 +#define R_PPC_EMB_RELST_LO 112 +#define R_PPC_EMB_RELST_HI 113 +#define R_PPC_EMB_RELST_HA 114 +#define R_PPC_EMB_BIT_FLD 115 +#define R_PPC_EMB_RELSDA 116 /* 16 bit relative offset in SDA */ + +/* Diab tool relocations. */ +#define R_PPC_DIAB_SDA21_LO 180 /* like EMB_SDA21, but lower 16 bit */ +#define R_PPC_DIAB_SDA21_HI 181 /* like EMB_SDA21, but high 16 bit */ +#define R_PPC_DIAB_SDA21_HA 182 /* like EMB_SDA21, adjusted high 16 */ +#define R_PPC_DIAB_RELSDA_LO 183 /* like EMB_RELSDA, but lower 16 bit */ +#define R_PPC_DIAB_RELSDA_HI 184 /* like EMB_RELSDA, but high 16 bit */ +#define R_PPC_DIAB_RELSDA_HA 185 /* like EMB_RELSDA, adjusted high 16 */ + +/* This is a phony reloc to handle any old fashioned TOC16 references + that may still be in object files. */ +#define R_PPC_TOC16 255 + +#endif /* _ELF_H */ diff --git a/sd_loader/src/entry.c b/sd_loader/src/entry.c new file mode 100644 index 0000000..1b350f5 --- /dev/null +++ b/sd_loader/src/entry.c @@ -0,0 +1,620 @@ +#include "os_types.h" +#include "elf_abi.h" +#include "common.h" +#include "os_defs.h" +#include "fs_defs.h" +#include "kernel_defs.h" +#include "loader_defs.h" + +#define EXPORT_DECL(res, func, ...) res (* func)(__VA_ARGS__); +#define OS_FIND_EXPORT(handle, funcName, func) OSDynLoad_FindExport(handle, 0, funcName, &func) + +typedef struct _private_data_t { + EXPORT_DECL(void *, MEMAllocFromDefaultHeapEx, int size, int align); + + EXPORT_DECL(void, MEMFreeToDefaultHeap, void *ptr); + + EXPORT_DECL(uint64_t, OSGetTitleID); + + EXPORT_DECL(void*, memcpy, void *p1, const void *p2, unsigned int s); + + EXPORT_DECL(void*, memset, void *p1, int val, unsigned int s); + + EXPORT_DECL(void, OSFatal, const char *msg); + + EXPORT_DECL(unsigned int, OSEffectiveToPhysical, const void*); + + EXPORT_DECL(void, exit, int); + + EXPORT_DECL(int, FSInit, void); + + EXPORT_DECL(int, FSAddClientEx, void *pClient, int unk_zero_param, int errHandling); + + EXPORT_DECL(int, FSDelClient, void *pClient); + + EXPORT_DECL(void, FSInitCmdBlock, void *pCmd); + + EXPORT_DECL(int, FSGetMountSource, void *pClient, void *pCmd, int type, void *source, int errHandling); + + EXPORT_DECL(int, FSMount, void *pClient, void *pCmd, void *source, const char *target, uint32_t bytes, int errHandling); + + EXPORT_DECL(int, FSUnmount, void *pClient, void *pCmd, const char *target, int errHandling); + + EXPORT_DECL(int, FSOpenFile, void *pClient, void *pCmd, const char *path, const char *mode, int *fd, int errHandling); + + EXPORT_DECL(int, FSGetStatFile, void *pClient, void *pCmd, int fd, void *buffer, int error); + + EXPORT_DECL(int, FSReadFile, void *pClient, void *pCmd, void *buffer, int size, int count, int fd, int flag, int errHandling); + + EXPORT_DECL(int, FSCloseFile, void *pClient, void *pCmd, int fd, int errHandling); + + EXPORT_DECL(int, SYSRelaunchTitle, int argc, char **argv); + +} private_data_t; + +static void (*DCFlushRange)(void *addr, unsigned int size); +static void (*DCInvalidateRange)(void *addr, unsigned int size); +static void (*ICInvalidateRange)(void *addr, unsigned int size); +static unsigned int hook_LiWaitOneChunk; +static unsigned int addrphys_LiWaitOneChunk; + +extern void SC0x25_KernelCopyData(unsigned int addr, unsigned int src, unsigned int len); +extern void my_PrepareTitle_hook(void); + +/* Write a 32-bit word with kernel permissions */ +static void __attribute__ ((noinline)) kern_write(void *addr, uint32_t value) { + asm volatile ( + "li 3,1\n" + "li 4,0\n" + "mr 5,%1\n" + "li 6,0\n" + "li 7,0\n" + "lis 8,1\n" + "mr 9,%0\n" + "mr %1,1\n" + "li 0,0x3500\n" + "sc\n" + "nop\n" + "mr 1,%1\n" + : + : "r"(addr), "r"(value) + : "memory", "ctr", "lr", "0", "3", "4", "5", "6", "7", "8", "9", "10", + "11", "12" + ); +} + +static void KernelCopyData(unsigned int addr, unsigned int src, unsigned int len) { + /* + * Setup a DBAT access with cache inhibited to write through and read directly from memory + */ + unsigned int dbatu0, dbatl0, dbatu1, dbatl1; + // save the original DBAT value + asm volatile("mfdbatu %0, 0" : "=r" (dbatu0)); + asm volatile("mfdbatl %0, 0" : "=r" (dbatl0)); + asm volatile("mfdbatu %0, 1" : "=r" (dbatu1)); + asm volatile("mfdbatl %0, 1" : "=r" (dbatl1)); + + unsigned int target_dbatu0 = 0; + unsigned int target_dbatl0 = 0; + unsigned int target_dbatu1 = 0; + unsigned int target_dbatl1 = 0; + + unsigned int *dst_p = (unsigned int*)addr; + unsigned int *src_p = (unsigned int*)src; + + // we only need DBAT modification for addresses out of our own DBAT range + // as our own DBAT is available everywhere for user and supervisor + // since our own DBAT is on DBAT5 position we don't collide here + if(addr < 0x00800000 || addr >= 0x01000000) { + target_dbatu0 = (addr & 0x00F00000) | 0xC0000000 | 0x1F; + target_dbatl0 = (addr & 0xFFF00000) | 0x32; + asm volatile("mtdbatu 0, %0" : : "r" (target_dbatu0)); + asm volatile("mtdbatl 0, %0" : : "r" (target_dbatl0)); + dst_p = (unsigned int*)((addr & 0xFFFFFF) | 0xC0000000); + } + if(src < 0x00800000 || src >= 0x01000000) { + target_dbatu1 = (src & 0x00F00000) | 0xB0000000 | 0x1F; + target_dbatl1 = (src & 0xFFF00000) | 0x32; + + asm volatile("mtdbatu 1, %0" : : "r" (target_dbatu1)); + asm volatile("mtdbatl 1, %0" : : "r" (target_dbatl1)); + src_p = (unsigned int*)((src & 0xFFFFFF) | 0xB0000000); + } + + asm volatile("eieio; isync"); + + unsigned int i; + for(i = 0; i < len; i += 4) { + // if we are on the edge to next chunk + if((target_dbatu0 != 0) && (((unsigned int)dst_p & 0x00F00000) != (target_dbatu0 & 0x00F00000))) { + target_dbatu0 = ((addr + i) & 0x00F00000) | 0xC0000000 | 0x1F; + target_dbatl0 = ((addr + i) & 0xFFF00000) | 0x32; + dst_p = (unsigned int*)(((addr + i) & 0xFFFFFF) | 0xC0000000); + + asm volatile("eieio; isync"); + asm volatile("mtdbatu 0, %0" : : "r" (target_dbatu0)); + asm volatile("mtdbatl 0, %0" : : "r" (target_dbatl0)); + asm volatile("eieio; isync"); + } + if((target_dbatu1 != 0) && (((unsigned int)src_p & 0x00F00000) != (target_dbatu1 & 0x00F00000))) { + target_dbatu1 = ((src + i) & 0x00F00000) | 0xB0000000 | 0x1F; + target_dbatl1 = ((src + i) & 0xFFF00000) | 0x32; + src_p = (unsigned int*)(((src + i) & 0xFFFFFF) | 0xB0000000); + + asm volatile("eieio; isync"); + asm volatile("mtdbatu 1, %0" : : "r" (target_dbatu1)); + asm volatile("mtdbatl 1, %0" : : "r" (target_dbatl1)); + asm volatile("eieio; isync"); + } + + *dst_p = *src_p; + + ++dst_p; + ++src_p; + } + + /* + * Restore original DBAT value + */ + asm volatile("eieio; isync"); + asm volatile("mtdbatu 0, %0" : : "r" (dbatu0)); + asm volatile("mtdbatl 0, %0" : : "r" (dbatl0)); + asm volatile("mtdbatu 1, %0" : : "r" (dbatu1)); + asm volatile("mtdbatl 1, %0" : : "r" (dbatl1)); + asm volatile("eieio; isync"); +} + +// This function is called every time after LiBounceOneChunk. +// It waits for the asynchronous call of LiLoadAsync for the IOSU to fill data to the RPX/RPL address +// and return the still remaining bytes to load. +// We override it and replace the loaded date from LiLoadAsync with our data and our remaining bytes to load. +static int LiWaitOneChunk(unsigned int * iRemainingBytes, const char *filename, int fileType) { + unsigned int result; + register int core_id; + int remaining_bytes = 0; + + int sgFileOffset; + int sgBufferNumber; + int *sgBounceError; + int *sgGotBytes; + int *sgTotalBytes; + int *sgIsLoadingBuffer; + int *sgFinishedLoadingBuffer; + + // get the current core + asm volatile("mfspr %0, 0x3EF" : "=r" (core_id)); + + // get the offset of per core global variable for dynload initialized (just a simple address + (core_id * 4)) + unsigned int gDynloadInitialized = *(volatile unsigned int*)(OS_SPECIFICS->addr_gDynloadInitialized + (core_id << 2)); + + // Comment (Dimok): + // time measurement at this position for logger -> we don't need it right now except maybe for debugging + //unsigned long long systemTime1 = Loader_GetSystemTime(); + + if(OS_FIRMWARE == 550) { + // pointer to global variables of the loader + loader_globals_550_t *loader_globals = (loader_globals_550_t*)(0xEFE19E80); + + sgBufferNumber = loader_globals->sgBufferNumber; + sgFileOffset = loader_globals->sgFileOffset; + sgBounceError = &loader_globals->sgBounceError; + sgGotBytes = &loader_globals->sgGotBytes; + sgTotalBytes = &loader_globals->sgTotalBytes; + sgFinishedLoadingBuffer = &loader_globals->sgFinishedLoadingBuffer; + // not available on 5.5.x + sgIsLoadingBuffer = NULL; + } else { + // pointer to global variables of the loader + loader_globals_t *loader_globals = (loader_globals_t*)(OS_SPECIFICS->addr_sgIsLoadingBuffer); + + sgBufferNumber = loader_globals->sgBufferNumber; + sgFileOffset = loader_globals->sgFileOffset; + sgBounceError = &loader_globals->sgBounceError; + sgGotBytes = &loader_globals->sgGotBytes; + sgIsLoadingBuffer = &loader_globals->sgIsLoadingBuffer; + // not available on < 5.5.x + sgTotalBytes = NULL; + sgFinishedLoadingBuffer = NULL; + } + + // the data loading was started in LiBounceOneChunk() and here it waits for IOSU to finish copy the data + if(gDynloadInitialized != 0) { + result = OS_SPECIFICS->LiWaitIopCompleteWithInterrupts(0x2160EC0, &remaining_bytes); + + } else { + result = OS_SPECIFICS->LiWaitIopComplete(0x2160EC0, &remaining_bytes); + } + + // Comment (Dimok): + // time measurement at this position for logger -> we don't need it right now except maybe for debugging + //unsigned long long systemTime2 = Loader_GetSystemTime(); + + //------------------------------------------------------------------------------------------------------------------ + // Start of our function intrusion: + // After IOSU is done writing the data into the 0xF6000000/0xF6400000 address, + // we overwrite it with our data before setting the global flag for IsLoadingBuffer to 0 + // Do this only if we are in the game that was launched by our method + s_mem_area *mem_area = MEM_AREA_TABLE; + if((ELF_DATA_ADDR == mem_area->address) && (fileType == 0)) { + unsigned int load_address = (sgBufferNumber == 1) ? 0xF6000000 : (0xF6000000 + 0x00400000); + unsigned int load_addressPhys = (sgBufferNumber == 1) ? 0x1B000000 : (0x1B000000 + 0x00400000); // virtual 0xF6000000 and 0xF6400000 + + remaining_bytes = ELF_DATA_SIZE - sgFileOffset; + if (remaining_bytes > 0x400000) + // truncate size + remaining_bytes = 0x400000; + + DCFlushRange((void*)load_address, remaining_bytes); + + u32 rpxBlockPos = 0; + u32 done = 0; + u32 mapOffset = 0; + + while((done < (u32)sgFileOffset) && mem_area) { + if((done + mem_area->size) > (u32)sgFileOffset) { + mapOffset = sgFileOffset - done; + done = sgFileOffset; + } else { + done += mem_area->size; + mem_area = mem_area->next; + } + } + + while((done < ELF_DATA_SIZE) && (rpxBlockPos < 0x400000) && mem_area) { + u32 address = mem_area->address + mapOffset; + u32 blockSize = ELF_DATA_SIZE - done; + + if(blockSize > (0x400000 - rpxBlockPos)) { + blockSize = 0x400000 - rpxBlockPos; + } + if((mapOffset + blockSize) >= mem_area->size) { + blockSize = mem_area->size - mapOffset; + //! this value is incremented later by blockSize, so set it to -blockSize for it to be 0 after copy + //! it makes smaller code then if(mapOffset == mem_area->size) after copy + mapOffset = -blockSize; + mem_area = mem_area->next; + } + + SC0x25_KernelCopyData(load_addressPhys + rpxBlockPos, address, blockSize); + done += blockSize; + rpxBlockPos += blockSize; + mapOffset += blockSize; + } + + DCInvalidateRange((void*)load_address, remaining_bytes); + + if((u32)(sgFileOffset + remaining_bytes) == ELF_DATA_SIZE) { + ELF_DATA_ADDR = 0xDEADC0DE; + ELF_DATA_SIZE = 0; + MAIN_ENTRY_ADDR = 0xC001C0DE; + } + // set result to 0 -> "everything OK" + result = 0; + } + + // end of our little intrusion into this function + //------------------------------------------------------------------------------------------------------------------ + + // set the result to the global bounce error variable + if(sgBounceError) { + *sgBounceError = result; + } + + // disable global flag that buffer is still loaded by IOSU + if(sgFinishedLoadingBuffer) { + unsigned int zeroBitCount = 0; + asm volatile("cntlzw %0, %0" : "=r" (zeroBitCount) : "r"(*sgFinishedLoadingBuffer)); + *sgFinishedLoadingBuffer = zeroBitCount >> 5; + } else if(sgIsLoadingBuffer) { + *sgIsLoadingBuffer = 0; + } + + // check result for errors + if(result == 0) { + // the remaining size is set globally and in stack variable only + // if a pointer was passed to this function + if(iRemainingBytes) { + if(sgGotBytes) { + *sgGotBytes = remaining_bytes; + } + + *iRemainingBytes = remaining_bytes; + + // on 5.5.x a new variable for total loaded bytes was added + if(sgTotalBytes) { + *sgTotalBytes += remaining_bytes; + } + } + // Comment (Dimok): + // calculate time difference and print it on logging how long the wait for asynchronous data load took + // something like (systemTime2 - systemTime1) * constant / bus speed, did not look deeper into it as we don't need that crap + } else { + // Comment (Dimok): + // a lot of error handling here. depending on error code sometimes calls Loader_Panic() -> we don't make errors so we can skip that part ;-P + } + return result; +} + +void my_PrepareTitle(CosAppXmlInfo *xmlKernelInfo) { + if(ELF_DATA_ADDR == MEM_AREA_TABLE->address) { + xmlKernelInfo->max_size = RPX_MAX_SIZE; + xmlKernelInfo->max_codesize = RPX_MAX_CODE_SIZE; + //! setup our hook to LiWaitOneChunk for RPX loading + hook_LiWaitOneChunk = ((u32)LiWaitOneChunk) | 0x48000002; + KernelCopyData(addrphys_LiWaitOneChunk, (u32) &hook_LiWaitOneChunk, 4); + asm volatile("icbi 0, %0" : : "r" (OS_SPECIFICS->addr_LiWaitOneChunk & ~31)); + } else if((MAIN_ENTRY_ADDR == 0xC001C0DE) && (*(u32*)xmlKernelInfo->rpx_name == 0x66666c5f)) { // ffl_ + //! restore original LiWaitOneChunk instruction as our RPX is done + MAIN_ENTRY_ADDR = 0xDEADC0DE; + KernelCopyData(addrphys_LiWaitOneChunk, (u32)&OS_SPECIFICS->orig_LiWaitOneChunkInstr, 4); + asm volatile("icbi 0, %0" : : "r" (OS_SPECIFICS->addr_LiWaitOneChunk & ~31)); + } +} + +static int LoadFileToMem(private_data_t *private_data, const char *filepath, unsigned char **fileOut, unsigned int * sizeOut) { + int iFd = -1; + void *pClient = private_data->MEMAllocFromDefaultHeapEx(FS_CLIENT_SIZE, 4); + if(!pClient) + return 0; + + void *pCmd = private_data->MEMAllocFromDefaultHeapEx(FS_CMD_BLOCK_SIZE, 4); + if(!pCmd) { + private_data->MEMFreeToDefaultHeap(pClient); + return 0; + } + + int success = 0; + private_data->FSInit(); + private_data->FSInitCmdBlock(pCmd); + private_data->FSAddClientEx(pClient, 0, -1); + + do { + char tempPath[FS_MOUNT_SOURCE_SIZE]; + char mountPath[FS_MAX_MOUNTPATH_SIZE]; + + int status = private_data->FSGetMountSource(pClient, pCmd, 0, tempPath, -1); + if (status != 0) { + private_data->OSFatal("-13"); + } + status = private_data->FSMount(pClient, pCmd, tempPath, mountPath, FS_MAX_MOUNTPATH_SIZE, -1); + if(status != 0) { + private_data->OSFatal("-12"); + } + + status = private_data->FSOpenFile(pClient, pCmd, filepath, "r", &iFd, -1); + if(status != 0) { + private_data->OSFatal("-11"); + } + + FSStat stat; + stat.size = 0; + + void *pBuffer = NULL; + + private_data->FSGetStatFile(pClient, pCmd, iFd, &stat, -1); + + if (stat.size > 0) { + pBuffer = private_data->MEMAllocFromDefaultHeapEx((stat.size + 0x3F) & ~0x3F, 0x40); + } else { + private_data->OSFatal("-10"); + } + + unsigned int done = 0; + + while(done < stat.size) { + int readBytes = private_data->FSReadFile(pClient, pCmd, pBuffer + done, 1, stat.size - done, iFd, 0, -1); + if(readBytes <= 0) { + break; + } + done += readBytes; + } + + if(done != stat.size) { + private_data->MEMFreeToDefaultHeap(pBuffer); + } else { + *fileOut = (unsigned char*)pBuffer; + *sizeOut = stat.size; + success = 1; + } + + private_data->FSCloseFile(pClient, pCmd, iFd, -1); + private_data->FSUnmount(pClient, pCmd, mountPath, -1); + } while(0); + + private_data->FSDelClient(pClient); + private_data->MEMFreeToDefaultHeap(pClient); + private_data->MEMFreeToDefaultHeap(pCmd); + return success; +} + +static void setup_patches(private_data_t *private_data) { + //! setup necessary syscalls and hooks for HBL + kern_write((void*)(OS_SPECIFICS->addr_KernSyscallTbl1 + (0x25 * 4)), (unsigned int)KernelCopyData); + kern_write((void*)(OS_SPECIFICS->addr_KernSyscallTbl2 + (0x25 * 4)), (unsigned int)KernelCopyData); + kern_write((void*)(OS_SPECIFICS->addr_KernSyscallTbl3 + (0x25 * 4)), (unsigned int)KernelCopyData); + kern_write((void*)(OS_SPECIFICS->addr_KernSyscallTbl4 + (0x25 * 4)), (unsigned int)KernelCopyData); + kern_write((void*)(OS_SPECIFICS->addr_KernSyscallTbl5 + (0x25 * 4)), (unsigned int)KernelCopyData); + + //! store physical address for later use + addrphys_LiWaitOneChunk = private_data->OSEffectiveToPhysical((void*)OS_SPECIFICS->addr_LiWaitOneChunk); + + u32 addr_my_PrepareTitle_hook = ((u32)my_PrepareTitle_hook) | 0x48000003; + DCFlushRange(&addr_my_PrepareTitle_hook, 4); + + //! create our copy syscall + SC0x25_KernelCopyData(OS_SPECIFICS->addr_PrepareTitle_hook, private_data->OSEffectiveToPhysical(&addr_my_PrepareTitle_hook), 4); + +} + +static unsigned int load_elf_image (private_data_t *private_data, unsigned char *elfstart) { + Elf32_Ehdr *ehdr; + Elf32_Phdr *phdrs; + unsigned char *image; + int i; + + ehdr = (Elf32_Ehdr *) elfstart; + + if(ehdr->e_phoff == 0 || ehdr->e_phnum == 0) + return 0; + + if(ehdr->e_phentsize != sizeof(Elf32_Phdr)) + return 0; + + phdrs = (Elf32_Phdr*)(elfstart + ehdr->e_phoff); + + for(i = 0; i < ehdr->e_phnum; i++) { + if(phdrs[i].p_type != PT_LOAD) + continue; + + if(phdrs[i].p_filesz > phdrs[i].p_memsz) + continue; + + if(!phdrs[i].p_filesz) + continue; + + unsigned int p_paddr = phdrs[i].p_paddr; + image = (unsigned char *) (elfstart + phdrs[i].p_offset); + + private_data->memcpy ((void *) p_paddr, image, phdrs[i].p_filesz); + DCFlushRange((void*)p_paddr, phdrs[i].p_filesz); + + if(phdrs[i].p_flags & PF_X) + ICInvalidateRange ((void *) p_paddr, phdrs[i].p_memsz); + } + + //! clear BSS + Elf32_Shdr *shdr = (Elf32_Shdr *) (elfstart + ehdr->e_shoff); + for(i = 0; i < ehdr->e_shnum; i++) { + const char *section_name = ((const char*)elfstart) + shdr[ehdr->e_shstrndx].sh_offset + shdr[i].sh_name; + if(section_name[0] == '.' && section_name[1] == 'b' && section_name[2] == 's' && section_name[3] == 's') { + private_data->memset((void*)shdr[i].sh_addr, 0, shdr[i].sh_size); + DCFlushRange((void*)shdr[i].sh_addr, shdr[i].sh_size); + } else if(section_name[0] == '.' && section_name[1] == 's' && section_name[2] == 'b' && section_name[3] == 's' && section_name[4] == 's') { + private_data->memset((void*)shdr[i].sh_addr, 0, shdr[i].sh_size); + DCFlushRange((void*)shdr[i].sh_addr, shdr[i].sh_size); + } + } + + return ehdr->e_entry; +} + +static void loadFunctionPointers(private_data_t * private_data) { + unsigned int coreinit_handle; + + EXPORT_DECL(int, OSDynLoad_Acquire, const char* rpl, u32 *handle); + EXPORT_DECL(int, OSDynLoad_FindExport, u32 handle, int isdata, const char *symbol, void *address); + + OSDynLoad_Acquire = (int (*)(const char*, u32 *))OS_SPECIFICS->addr_OSDynLoad_Acquire; + OSDynLoad_FindExport = (int (*)(u32, int, const char *, void *))OS_SPECIFICS->addr_OSDynLoad_FindExport; + + OSDynLoad_Acquire("coreinit", &coreinit_handle); + + unsigned int *functionPtr = 0; + + OSDynLoad_FindExport(coreinit_handle, 1, "MEMAllocFromDefaultHeapEx", &functionPtr); + private_data->MEMAllocFromDefaultHeapEx = (void *(*)(int, int)) *functionPtr; + OSDynLoad_FindExport(coreinit_handle, 1, "MEMFreeToDefaultHeap", &functionPtr); + private_data->MEMFreeToDefaultHeap = (void (*)(void *)) *functionPtr; + + OS_FIND_EXPORT(coreinit_handle, "OSGetTitleID", private_data->OSGetTitleID); + OS_FIND_EXPORT(coreinit_handle, "memcpy", private_data->memcpy); + OS_FIND_EXPORT(coreinit_handle, "memset", private_data->memset); + OS_FIND_EXPORT(coreinit_handle, "OSFatal", private_data->OSFatal); + OS_FIND_EXPORT(coreinit_handle, "DCFlushRange", DCFlushRange); + OS_FIND_EXPORT(coreinit_handle, "DCInvalidateRange", DCInvalidateRange); + OS_FIND_EXPORT(coreinit_handle, "ICInvalidateRange", ICInvalidateRange); + OS_FIND_EXPORT(coreinit_handle, "OSEffectiveToPhysical", private_data->OSEffectiveToPhysical); + OS_FIND_EXPORT(coreinit_handle, "exit", private_data->exit); + + OS_FIND_EXPORT(coreinit_handle, "FSInit", private_data->FSInit); + OS_FIND_EXPORT(coreinit_handle, "FSAddClientEx", private_data->FSAddClientEx); + OS_FIND_EXPORT(coreinit_handle, "FSDelClient", private_data->FSDelClient); + OS_FIND_EXPORT(coreinit_handle, "FSInitCmdBlock", private_data->FSInitCmdBlock); + OS_FIND_EXPORT(coreinit_handle, "FSGetMountSource", private_data->FSGetMountSource); + OS_FIND_EXPORT(coreinit_handle, "FSMount", private_data->FSMount); + OS_FIND_EXPORT(coreinit_handle, "FSUnmount", private_data->FSUnmount); + OS_FIND_EXPORT(coreinit_handle, "FSOpenFile", private_data->FSOpenFile); + OS_FIND_EXPORT(coreinit_handle, "FSGetStatFile", private_data->FSGetStatFile); + OS_FIND_EXPORT(coreinit_handle, "FSReadFile", private_data->FSReadFile); + OS_FIND_EXPORT(coreinit_handle, "FSCloseFile", private_data->FSCloseFile); + + unsigned int sysapp_handle; + OSDynLoad_Acquire("sysapp.rpl", &sysapp_handle); + OS_FIND_EXPORT(sysapp_handle, "SYSRelaunchTitle", private_data->SYSRelaunchTitle); +} + +int _start(int argc, char **argv) { + private_data_t private_data; + + if(MAIN_ENTRY_ADDR != 0xC001C0DE) { + loadFunctionPointers(&private_data); + + while (1) { + if (ELF_DATA_ADDR != 0xDEADC0DE && ELF_DATA_SIZE > 0) { + //! copy data to safe area before processing it + unsigned char *pElfBuffer = (unsigned char *) private_data.MEMAllocFromDefaultHeapEx(ELF_DATA_SIZE, 4); + if (pElfBuffer) { + private_data.memcpy(pElfBuffer, (unsigned char *) ELF_DATA_ADDR, ELF_DATA_SIZE); + MAIN_ENTRY_ADDR = load_elf_image(&private_data, pElfBuffer); + private_data.MEMFreeToDefaultHeap(pElfBuffer); + + } + ELF_DATA_ADDR = 0xDEADC0DE; + ELF_DATA_SIZE = 0; + } + + if (MAIN_ENTRY_ADDR == 0xDEADC0DE || MAIN_ENTRY_ADDR == 0) { + //! setup necessary syscalls and hooks for HBL before launching it + setup_patches(&private_data); + + if (HBL_CHANNEL) { + break; + } else { + unsigned char *pElfBuffer = NULL; + unsigned int uiElfSize = 0; + if (private_data.OSGetTitleID() == 0x000500101004A200L || // mii maker eur + private_data.OSGetTitleID() == 0x000500101004A100L || // mii maker usa + private_data.OSGetTitleID() == 0x000500101004A000L) { // mii maker jpn + + LoadFileToMem(&private_data, CAFE_OS_SD_PATH WIIU_PATH "/apps/homebrew_launcher/homebrew_launcher.elf", &pElfBuffer, &uiElfSize); + }else{ + break; + } + + if (!pElfBuffer) { + private_data.OSFatal("Failed to load homebrew_launcher.elf"); + } else { + MAIN_ENTRY_ADDR = load_elf_image(&private_data, pElfBuffer); + if (MAIN_ENTRY_ADDR == 0) { + private_data.OSFatal("Failed to load homebrew_launcher.elf"); + } else { + private_data.MEMFreeToDefaultHeap(pElfBuffer); + } + } + } + } else { + int returnVal = ((int (*)(int, char **)) MAIN_ENTRY_ADDR)(argc, argv); + //! exit to miimaker and restart application on re-enter of another application + if (returnVal == (int) EXIT_RELAUNCH_ON_LOAD) { + break; + } + //! exit to homebrew launcher in all other cases + else { + MAIN_ENTRY_ADDR = 0xDEADC0DE; + private_data.SYSRelaunchTitle(0, 0); + private_data.exit(0); + break; + } + } + } + } + + int ret = ( (int (*)(int, char **))(*(unsigned int*)OS_SPECIFICS->addr_OSTitle_main_entry) )(argc, argv); + + //! if an application returns and was an RPX launch then launch HBL again + if(MAIN_ENTRY_ADDR == 0xC001C0DE) { + private_data.SYSRelaunchTitle(0, 0); + private_data.exit(0); + } + return ret; +} diff --git a/sd_loader/src/fs_defs.h b/sd_loader/src/fs_defs.h new file mode 100644 index 0000000..8e48273 --- /dev/null +++ b/sd_loader/src/fs_defs.h @@ -0,0 +1,60 @@ +#ifndef FS_DEFS_H +#define FS_DEFS_H + +#include + +#ifdef __cplusplus +extern "C" { +#endif + + +/* FS defines and types */ +#define FS_MAX_LOCALPATH_SIZE 511 +#define FS_MAX_MOUNTPATH_SIZE 128 +#define FS_MAX_FULLPATH_SIZE (FS_MAX_LOCALPATH_SIZE + FS_MAX_MOUNTPATH_SIZE) +#define FS_MAX_ARGPATH_SIZE FS_MAX_FULLPATH_SIZE + +#define FS_STATUS_OK 0 +#define FS_RET_UNSUPPORTED_CMD 0x0400 +#define FS_RET_NO_ERROR 0x0000 +#define FS_RET_ALL_ERROR (unsigned int)(-1) + +#define FS_STAT_FLAG_IS_DIRECTORY 0x80000000 + +/* max length of file/dir name */ +#define FS_MAX_ENTNAME_SIZE 256 + +#define FS_SOURCETYPE_EXTERNAL 0 +#define FS_SOURCETYPE_HFIO 1 +#define FS_SOURCETYPE_HFIO 1 + +#define FS_MOUNT_SOURCE_SIZE 0x300 +#define FS_CLIENT_SIZE 0x1700 +#define FS_CMD_BLOCK_SIZE 0xA80 + +typedef struct { + uint32_t flag; + uint32_t permission; + uint32_t owner_id; + uint32_t group_id; + uint32_t size; + uint32_t alloc_size; + uint64_t quota_size; + uint32_t ent_id; + uint64_t ctime; + uint64_t mtime; + uint8_t attributes[48]; +} __attribute__((packed)) FSStat; + +typedef struct { + FSStat stat; + char name[FS_MAX_ENTNAME_SIZE]; +} FSDirEntry; + + +#ifdef __cplusplus +} +#endif + +#endif /* FS_DEFS_H */ + diff --git a/sd_loader/src/kernel_defs.h b/sd_loader/src/kernel_defs.h new file mode 100644 index 0000000..efbf04a --- /dev/null +++ b/sd_loader/src/kernel_defs.h @@ -0,0 +1,74 @@ +#ifndef __KERNEL_DEFS_H_ +#define __KERNEL_DEFS_H_ + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +// original structure in the kernel that is originally 0x1270 long +typedef struct { + uint32_t version_cos_xml; // version tag from cos.xml + uint64_t os_version; // os_version from app.xml + uint64_t title_id; // title_id tag from app.xml + uint32_t app_type; // app_type tag from app.xml + uint32_t cmdFlags; // unknown tag as it is always 0 (might be cmdFlags from cos.xml but i am not sure) + char rpx_name[0x1000]; // rpx name from cos.xml + uint32_t unknown2; // 0x050B8304 in mii maker and system menu (looks a bit like permissions complex that got masked!?) + uint32_t unknown3[63]; // those were all zeros, but its probably connected with unknown2 + uint32_t max_size; // max_size in cos.xml which defines the maximum amount of memory reserved for the app + uint32_t avail_size; // avail_size or codegen_size in cos.xml (seems to mostly be 0?) + uint32_t codegen_size; // codegen_size or avail_size in cos.xml (seems to mostly be 0?) + uint32_t codegen_core; // codegen_core in cos.xml (seems to mostly be 1?) + uint32_t max_codesize; // max_codesize in cos.xml + uint32_t overlay_arena; // overlay_arena in cos.xml + uint32_t unknown4[59]; // all zeros it seems + uint32_t default_stack0_size; // not sure because always 0 but very likely + uint32_t default_stack1_size; // not sure because always 0 but very likely + uint32_t default_stack2_size; // not sure because always 0 but very likely + uint32_t default_redzone0_size; // not sure because always 0 but very likely + uint32_t default_redzone1_size; // not sure because always 0 but very likely + uint32_t default_redzone2_size; // not sure because always 0 but very likely + uint32_t exception_stack0_size; // from cos.xml, 0x1000 on mii maker + uint32_t exception_stack1_size; // from cos.xml, 0x1000 on mii maker + uint32_t exception_stack2_size; // from cos.xml, 0x1000 on mii maker + uint32_t sdk_version; // from app.xml, 20909 (0x51AD) on mii maker + uint32_t title_version; // from app.xml, 0x32 on mii maker + /* + // --------------------------------------------------------------------------------------------------------------------------------------------- + // the next part might be changing from title to title?! I don't think its important but nice to know maybe.... + // --------------------------------------------------------------------------------------------------------------------------------------------- + char mlc[4]; // string "mlc" on mii maker and sysmenu + uint32_t unknown5[7]; // all zeros on mii maker and sysmenu + uint32_t unknown6_one; // 0x01 on mii maker and sysmenu + // --------------------------------------------------------------------------------------------------------------------------------------------- + char ACP[4]; // string "ACP" on mii maker and sysmenu + uint32_t unknown7[15]; // all zeros on mii maker and sysmenu + uint32_t unknown8_5; // 0x05 on mii maker and sysmenu + uint32_t unknown9_zero; // 0x00 on mii maker and sysmenu + uint32_t unknown10_ptr; // 0xFF23DD0C pointer on mii maker and sysmenu + // --------------------------------------------------------------------------------------------------------------------------------------------- + char UVD[4]; // string "UVD" on mii maker and sysmenu + uint32_t unknown11[15]; // all zeros on mii maker and sysmenu + uint32_t unknown12_5; // 0x05 on mii maker and sysmenu + uint32_t unknown13_zero; // 0x00 on mii maker and sysmenu + uint32_t unknown14_ptr; // 0xFF23EFC8 pointer on mii maker and sysmenu + // --------------------------------------------------------------------------------------------------------------------------------------------- + char SND[4]; // string "SND" on mii maker and sysmenu + uint32_t unknown15[15]; // all zeros on mii maker and sysmenu + uint32_t unknown16_5; // 0x05 on mii maker and sysmenu + uint32_t unknown17_zero; // 0x00 on mii maker and sysmenu + uint32_t unknown18_ptr; // 0xFF23F014 pointer on mii maker and sysmenu + // --------------------------------------------------------------------------------------------------------------------------------------------- + uint32_t unknown19; // 0x02 on miimaker, 0x0F on system menu + */ + // after that only zeros follow +} __attribute__((packed)) CosAppXmlInfo; + + +#ifdef __cplusplus +} +#endif + +#endif // __KERNEL_DEFS_H_ diff --git a/sd_loader/src/kernel_hooks.S b/sd_loader/src/kernel_hooks.S new file mode 100644 index 0000000..0d7f11f --- /dev/null +++ b/sd_loader/src/kernel_hooks.S @@ -0,0 +1,69 @@ +# This stuff may need a change in different kernel versions +# This is only needed when launched directly through browser and not SD card. + +.section ".kernel_code" + .globl SaveAndResetDataBATs_And_SRs_hook +SaveAndResetDataBATs_And_SRs_hook: + # setup CTR to the position we need to return to + mflr r5 + mtctr r5 + # set link register to its original value + mtlr r7 + # setup us a nice DBAT for our code data with same region as our code + mfspr r5, 560 + mtspr 570, r5 + mfspr r5, 561 + mtspr 571, r5 + # restore the original kernel instructions that we replaced + lwz r5, 0x34(r3) + lwz r6, 0x38(r3) + lwz r7, 0x3C(r3) + lwz r8, 0x40(r3) + lwz r9, 0x44(r3) + lwz r10, 0x48(r3) + lwz r11, 0x4C(r3) + lwz r3, 0x50(r3) + isync + mtsr 7, r5 + # jump back to the position in kernel after our patch (from LR) + bctr + +.extern my_PrepareTitle + .globl my_PrepareTitle_hook +my_PrepareTitle_hook: + # store all registers on stack to avoid issues with the call to C functions + stwu r1, -0x90(r1) + # registers for our own usage + # just store everything + stmw r3, 0x10(r1) + + # save the LR from where we came + mflr r31 + + # the cos.xml/app.xml structure is at the location 0x68 of r11 + # there are actually many places that can be hooked for it + # e.g. 0xFFF16130 and r27 points to this structure + addi r3, r11, 0x68 + + bl my_PrepareTitle + + # setup LR to jump back to kernel code + mtlr r31 + + # restore all original values of registers from stack + lmw r3, 0x10(r1) + + # restore the stack + addi r1, r1, 0x90 + + # restore original instruction that we replaced in the kernel + clrlwi r7, r12, 0 + + # jump back + blr + + .globl SC0x25_KernelCopyData +SC0x25_KernelCopyData: + li r0, 0x2500 + sc + blr diff --git a/sd_loader/src/link.ld b/sd_loader/src/link.ld new file mode 100644 index 0000000..1d82ead --- /dev/null +++ b/sd_loader/src/link.ld @@ -0,0 +1,23 @@ +OUTPUT(sd_loader.elf); + +ENTRY(_start); + +SECTIONS { + . = 0x00800000; + .text : { + *(.kernel_code*); + *(.text*); + /* Tell linker to not garbage collect this section as it is not referenced anywhere */ + KEEP(*(.kernel_code*)); + } + .data : { + *(.rodata*); + *(.data*); + *(.bss*); + } + /DISCARD/ : { + *(*); + } +} + +ASSERT((SIZEOF(.text) + SIZEOF(.data)) < 0x1300, "Memory overlapping with main elf."); diff --git a/sd_loader/src/loader_defs.h b/sd_loader/src/loader_defs.h new file mode 100644 index 0000000..2ac8188 --- /dev/null +++ b/sd_loader/src/loader_defs.h @@ -0,0 +1,36 @@ +#ifndef __LOADER_DEFS_H_ +#define __LOADER_DEFS_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +// struct holding the globals of the loader (there are actually more but we don't need others) +typedef struct _loader_globals_t { + int sgIsLoadingBuffer; + int sgFileType; + int sgProcId; + int sgGotBytes; + int sgFileOffset; + int sgBufferNumber; + int sgBounceError; + char sgLoadName[0x1000]; +} __attribute__((packed)) loader_globals_t; + +typedef struct _loader_globals_550_t { + int sgFinishedLoadingBuffer; + int sgFileType; + int sgProcId; + int sgGotBytes; + int sgTotalBytes; + int sgFileOffset; + int sgBufferNumber; + int sgBounceError; + char sgLoadName[0x1000]; +} __attribute__((packed)) loader_globals_550_t; + +#ifdef __cplusplus +} +#endif + +#endif // __LOADER_DEFS_H_ diff --git a/sd_loader/src/os_defs.h b/sd_loader/src/os_defs.h new file mode 100644 index 0000000..6394cc8 --- /dev/null +++ b/sd_loader/src/os_defs.h @@ -0,0 +1,38 @@ +#ifndef __OS_DEFS_H_ +#define __OS_DEFS_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct _OsSpecifics { + unsigned int addr_OSDynLoad_Acquire; + unsigned int addr_OSDynLoad_FindExport; + unsigned int addr_OSTitle_main_entry; + + unsigned int addr_KernSyscallTbl1; + unsigned int addr_KernSyscallTbl2; + unsigned int addr_KernSyscallTbl3; + unsigned int addr_KernSyscallTbl4; + unsigned int addr_KernSyscallTbl5; + + int (*LiWaitIopComplete)(int, int *); + int (*LiWaitIopCompleteWithInterrupts)(int, int *); + unsigned int addr_LiWaitOneChunk; + unsigned int addr_PrepareTitle_hook; + unsigned int addr_sgIsLoadingBuffer; + unsigned int addr_gDynloadInitialized; + unsigned int orig_LiWaitOneChunkInstr; +} OsSpecifics; + +typedef struct _s_mem_area { + unsigned int address; + unsigned int size; + struct _s_mem_area* next; +} s_mem_area; + +#ifdef __cplusplus +} +#endif + +#endif // __OS_DEFS_H_ diff --git a/sd_loader/src/os_types.h b/sd_loader/src/os_types.h new file mode 100644 index 0000000..5d57abf --- /dev/null +++ b/sd_loader/src/os_types.h @@ -0,0 +1,215 @@ +#ifndef _OS_TYPES_H_ +#define _OS_TYPES_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#include +#include +#include +#include + +/*+----------------------------------------------------------------------------------------------+*/ +typedef uint8_t u8; ///< 8bit unsigned integer +typedef uint16_t u16; ///< 16bit unsigned integer +typedef uint32_t u32; ///< 32bit unsigned integer +typedef uint64_t u64; ///< 64bit unsigned integer +/*+----------------------------------------------------------------------------------------------+*/ +typedef int8_t s8; ///< 8bit signed integer +typedef int16_t s16; ///< 16bit signed integer +typedef int32_t s32; ///< 32bit signed integer +typedef int64_t s64; ///< 64bit signed integer +/*+----------------------------------------------------------------------------------------------+*/ +typedef volatile u8 vu8; ///< 8bit unsigned volatile integer +typedef volatile u16 vu16; ///< 16bit unsigned volatile integer +typedef volatile u32 vu32; ///< 32bit unsigned volatile integer +typedef volatile u64 vu64; ///< 64bit unsigned volatile integer +/*+----------------------------------------------------------------------------------------------+*/ +typedef volatile s8 vs8; ///< 8bit signed volatile integer +typedef volatile s16 vs16; ///< 16bit signed volatile integer +typedef volatile s32 vs32; ///< 32bit signed volatile integer +typedef volatile s64 vs64; ///< 64bit signed volatile integer +/*+----------------------------------------------------------------------------------------------+*/ +// fixed point math typedefs +typedef s16 sfp16; ///< signed 8:8 fixed point +typedef s32 sfp32; ///< signed 20:8 fixed point +typedef u16 ufp16; ///< unsigned 8:8 fixed point +typedef u32 ufp32; ///< unsigned 24:8 fixed point +/*+----------------------------------------------------------------------------------------------+*/ +typedef float f32; +typedef double f64; +/*+----------------------------------------------------------------------------------------------+*/ +typedef volatile float vf32; +typedef volatile double vf64; +/*+----------------------------------------------------------------------------------------------+*/ + +#define OS_MESSAGE_NOBLOCK 0 +#define OS_MESSAGE_BLOCK 1 + +#define OS_EXCEPTION_DSI 2 +#define OS_EXCEPTION_ISI 3 +#define OS_EXCEPTION_PROGRAM 6 +#define OS_EXCEPTION_MODE_THREAD 1 +#define OS_EXCEPTION_MODE_GLOBAL_ALL_CORES 4 + +#define OS_THREAD_ATTR_AFFINITY_NONE 0x0007u // affinity to run on every core +#define OS_THREAD_ATTR_AFFINITY_CORE0 0x0001u // run only on core0 +#define OS_THREAD_ATTR_AFFINITY_CORE1 0x0002u // run only on core1 +#define OS_THREAD_ATTR_AFFINITY_CORE2 0x0004u // run only on core2 +#define OS_THREAD_ATTR_DETACH 0x0008u // detached +#define OS_THREAD_ATTR_PINNED_AFFINITY 0x0010u // pinned (affinitized) to a single core +#define OS_THREAD_ATTR_CHECK_STACK_USE 0x0040u // check for stack usage +#define OS_THREAD_ATTR_NAME_SENT 0x0080u // debugger has seen the name +#define OS_THREAD_ATTR_LAST (OS_THREAD_ATTR_DETACH | OS_THREAD_ATTR_PINNED_AFFINITY | OS_THREAD_ATTR_AFFINITY_NONE) + +typedef struct OSThread_ OSThread; + +typedef struct OSThreadLink_ { + OSThread *next; + OSThread *prev; +} OSThreadLink; + +typedef struct OSThreadQueue_ { + OSThread *head; + OSThread *tail; + void *parentStruct; + u32 reserved; +} OSThreadQueue; + +typedef struct OSMessage_ { + u32 message; + u32 data0; + u32 data1; + u32 data2; +} OSMessage; + +typedef struct OSMessageQueue_ { + u32 tag; + char *name; + u32 reserved; + + OSThreadQueue sendQueue; + OSThreadQueue recvQueue; + OSMessage *messages; + int msgCount; + int firstIndex; + int usedCount; +} OSMessageQueue; + +typedef struct OSContext_ { + char tag[8]; + + u32 gpr[32]; + + u32 cr; + u32 lr; + u32 ctr; + u32 xer; + + u32 srr0; + u32 srr1; + + u32 ex0; + u32 ex1; + + u32 exception_type; + u32 reserved; + + double fpscr; + double fpr[32]; + + u16 spinLockCount; + u16 state; + + u32 gqr[8]; + u32 pir; + double psf[32]; + + u64 coretime[3]; + u64 starttime; + + u32 error; + u32 attributes; + + u32 pmc1; + u32 pmc2; + u32 pmc3; + u32 pmc4; + u32 mmcr0; + u32 mmcr1; +} OSContext; + +typedef enum OSExceptionType { + OS_EXCEPTION_TYPE_SYSTEM_RESET = 0, + OS_EXCEPTION_TYPE_MACHINE_CHECK = 1, + OS_EXCEPTION_TYPE_DSI = 2, + OS_EXCEPTION_TYPE_ISI = 3, + OS_EXCEPTION_TYPE_EXTERNAL_INTERRUPT = 4, + OS_EXCEPTION_TYPE_ALIGNMENT = 5, + OS_EXCEPTION_TYPE_PROGRAM = 6, + OS_EXCEPTION_TYPE_FLOATING_POINT = 7, + OS_EXCEPTION_TYPE_DECREMENTER = 8, + OS_EXCEPTION_TYPE_SYSTEM_CALL = 9, + OS_EXCEPTION_TYPE_TRACE = 10, + OS_EXCEPTION_TYPE_PERFORMANCE_MONITOR = 11, + OS_EXCEPTION_TYPE_BREAKPOINT = 12, + OS_EXCEPTION_TYPE_SYSTEM_INTERRUPT = 13, + OS_EXCEPTION_TYPE_ICI = 14, +} OSExceptionType; + +typedef int (*ThreadFunc)(int argc, void *argv); + +struct OSThread_ { + OSContext context; + + u32 txtTag; + u8 state; + u8 attr; + + short threadId; + int suspend; + int priority; + + char _[0x394 - 0x330 - sizeof(OSThreadLink)]; + OSThreadLink linkActive; + + void *stackBase; + void *stackEnd; + + ThreadFunc entryPoint; + + char _3A0[0x6A0 - 0x3A0]; +}; + +typedef struct _OSCalendarTime { + int sec; + int min; + int hour; + int mday; + int mon; + int year; + int wday; + int yday; + int msec; + int usec; +} OSCalendarTime; + + +typedef struct MCPTitleListType { + u64 titleId; + u8 unknwn[4]; + s8 path[56]; + u32 appType; + u8 unknwn1[0x54 - 0x48]; + u8 device; + u8 unknwn2; + s8 indexedDevice[10]; + u8 unk0x60; +} MCPTitleListType; + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/source/hbl_install.cpp b/source/hbl_install.cpp new file mode 100644 index 0000000..1facf6f --- /dev/null +++ b/source/hbl_install.cpp @@ -0,0 +1,198 @@ +#include +#include +#include +#include +#include +#include +#include +#include "../sd_loader/src/common.h" +#include "../sd_loader/src/elf_abi.h" +#include "sd_loader_elf.h" + +#define KERN_SYSCALL_TBL_1 0xFFE84C70 // unknown +#define KERN_SYSCALL_TBL_2 0xFFE85070 // works with games +#define KERN_SYSCALL_TBL_3 0xFFE85470 // works with loader +#define KERN_SYSCALL_TBL_4 0xFFEAAA60 // works with home menu +#define KERN_SYSCALL_TBL_5 0xFFEAAE60 // works with browser (previously KERN_SYSCALL_TBL) + +#define address_LiWaitIopComplete 0x01010180 +#define address_LiWaitIopCompleteWithInterrupts 0x0101006C +#define address_LiWaitOneChunk 0x0100080C +#define address_PrepareTitle_hook 0xFFF184E4 +#define address_sgIsLoadingBuffer 0xEFE19E80 +#define address_gDynloadInitialized 0xEFE13DBC + +#define ADDRESS_OSTitle_main_entry_ptr 0x1005E040 +#define ADDRESS_main_entry_hook 0x0101c56c + +/* assembly functions */ +extern "C" void Syscall_0x36(void); +extern "C" void KernelPatches(void); +extern "C" void SCKernelCopyData(unsigned int addr, unsigned int src, unsigned int len); + +extern "C" void SC_0x25_KernelCopyData(unsigned int addr, unsigned int src, unsigned int len); + + +void __attribute__ ((noinline)) kern_write(void *addr, uint32_t value); +static void InstallPatches(); + +static unsigned int load_elf_image(const uint8_t *elfstart) { + Elf32_Ehdr *ehdr; + Elf32_Phdr *phdrs; + unsigned char *image; + int i; + + ehdr = (Elf32_Ehdr *) elfstart; + + if (ehdr->e_phoff == 0 || ehdr->e_phnum == 0) + return 0; + + if (ehdr->e_phentsize != sizeof(Elf32_Phdr)) + return 0; + + phdrs = (Elf32_Phdr *) (elfstart + ehdr->e_phoff); + + for (i = 0; i < ehdr->e_phnum; i++) { + if (phdrs[i].p_type != PT_LOAD) + continue; + + if (phdrs[i].p_filesz > phdrs[i].p_memsz) + continue; + + if (!phdrs[i].p_filesz) + continue; + + unsigned int p_paddr = phdrs[i].p_paddr; + image = (unsigned char *) (elfstart + phdrs[i].p_offset); + + memcpy((void *) p_paddr, image, phdrs[i].p_filesz); + DCFlushRange((void *) p_paddr, phdrs[i].p_filesz); + + if (phdrs[i].p_flags & PF_X) + ICInvalidateRange((void *) p_paddr, phdrs[i].p_memsz); + } + + //! clear BSS + Elf32_Shdr *shdr = (Elf32_Shdr *) (elfstart + ehdr->e_shoff); + for (i = 0; i < ehdr->e_shnum; i++) { + const char *section_name = ((const char *) elfstart) + shdr[ehdr->e_shstrndx].sh_offset + shdr[i].sh_name; + if (section_name[0] == '.' && section_name[1] == 'b' && section_name[2] == 's' && section_name[3] == 's') { + memset((void *) shdr[i].sh_addr, 0, shdr[i].sh_size); + DCFlushRange((void *) shdr[i].sh_addr, shdr[i].sh_size); + } else if (section_name[0] == '.' && section_name[1] == 's' && section_name[2] == 'b' && section_name[3] == 's' && section_name[4] == 's') { + memset((void *) shdr[i].sh_addr, 0, shdr[i].sh_size); + DCFlushRange((void *) shdr[i].sh_addr, shdr[i].sh_size); + } + } + + return ehdr->e_entry; +} + +void KernelWriteU32(uint32_t addr, uint32_t value) { + ICInvalidateRange(&value, 4); + DCFlushRange(&value, 4); + + uint32_t dst = (uint32_t) OSEffectiveToPhysical((uint32_t) addr); + uint32_t src = (uint32_t) OSEffectiveToPhysical((uint32_t) &value); + + SC_0x25_KernelCopyData(dst, src, 4); + + DCFlushRange((void *) addr, 4); + ICInvalidateRange((void *) addr, 4); +} + +void InstallHBL() { + kern_write((void *) (KERN_SYSCALL_TBL_1 + (0x25 * 4)), (unsigned int) SCKernelCopyData); + kern_write((void *) (KERN_SYSCALL_TBL_2 + (0x25 * 4)), (unsigned int) SCKernelCopyData); + kern_write((void *) (KERN_SYSCALL_TBL_3 + (0x25 * 4)), (unsigned int) SCKernelCopyData); + kern_write((void *) (KERN_SYSCALL_TBL_4 + (0x25 * 4)), (unsigned int) SCKernelCopyData); + kern_write((void *) (KERN_SYSCALL_TBL_5 + (0x25 * 4)), (unsigned int) SCKernelCopyData); + + kern_write((void *) (KERN_SYSCALL_TBL_1 + (0x36 * 4)), (unsigned int) KernelPatches); + kern_write((void *) (KERN_SYSCALL_TBL_2 + (0x36 * 4)), (unsigned int) KernelPatches); + kern_write((void *) (KERN_SYSCALL_TBL_3 + (0x36 * 4)), (unsigned int) KernelPatches); + kern_write((void *) (KERN_SYSCALL_TBL_4 + (0x36 * 4)), (unsigned int) KernelPatches); + kern_write((void *) (KERN_SYSCALL_TBL_5 + (0x36 * 4)), (unsigned int) KernelPatches); + + Syscall_0x36(); + + InstallPatches(); + + unsigned char *pElfBuffer = (unsigned char *) sd_loader_elf; // use this address as temporary to load the elf + unsigned int mainEntryPoint = load_elf_image(pElfBuffer); + + if (mainEntryPoint == 0) { + OSFatal("failed to load elf"); + } + + //! Install our entry point hook + unsigned int repl_addr = ADDRESS_main_entry_hook; + unsigned int jump_addr = mainEntryPoint & 0x03fffffc; + + unsigned int bufferU32 = 0x48000003 | jump_addr; + KernelWriteU32(repl_addr, bufferU32); +} + +/* ****************************************************************** */ +/* INSTALL PATCHES */ +/* All OS specific stuff is done here */ +/* ****************************************************************** */ +static void InstallPatches() { + OsSpecifics osSpecificFunctions; + memset(&osSpecificFunctions, 0, sizeof(OsSpecifics)); + + unsigned int bufferU32; + /* Pre-setup a few options to defined values */ + bufferU32 = 550; + memcpy((void*)&OS_FIRMWARE, &bufferU32, sizeof(bufferU32)); + bufferU32 = 0xDEADC0DE; + memcpy((void*)&MAIN_ENTRY_ADDR, &bufferU32, sizeof(bufferU32)); + memcpy((void*)&ELF_DATA_ADDR, &bufferU32, sizeof(bufferU32)); + bufferU32 = 0; + memcpy((void*)&ELF_DATA_SIZE, &bufferU32, sizeof(bufferU32)); + memcpy((void*)&HBL_CHANNEL, &bufferU32, sizeof(bufferU32)); + + osSpecificFunctions.addr_OSDynLoad_Acquire = (unsigned int)OSDynLoad_Acquire; + osSpecificFunctions.addr_OSDynLoad_FindExport = (unsigned int)OSDynLoad_FindExport; + + osSpecificFunctions.addr_KernSyscallTbl1 = KERN_SYSCALL_TBL_1; + osSpecificFunctions.addr_KernSyscallTbl2 = KERN_SYSCALL_TBL_2; + osSpecificFunctions.addr_KernSyscallTbl3 = KERN_SYSCALL_TBL_3; + osSpecificFunctions.addr_KernSyscallTbl4 = KERN_SYSCALL_TBL_4; + osSpecificFunctions.addr_KernSyscallTbl5 = KERN_SYSCALL_TBL_5; + + osSpecificFunctions.LiWaitIopComplete = (int (*)(int, int *)) address_LiWaitIopComplete; + osSpecificFunctions.LiWaitIopCompleteWithInterrupts = (int (*)(int, int *)) address_LiWaitIopCompleteWithInterrupts; + osSpecificFunctions.addr_LiWaitOneChunk = address_LiWaitOneChunk; + osSpecificFunctions.addr_PrepareTitle_hook = address_PrepareTitle_hook; + osSpecificFunctions.addr_sgIsLoadingBuffer = address_sgIsLoadingBuffer; + osSpecificFunctions.addr_gDynloadInitialized = address_gDynloadInitialized; + osSpecificFunctions.orig_LiWaitOneChunkInstr = *(unsigned int*)address_LiWaitOneChunk; + + //! pointer to main entry point of a title + osSpecificFunctions.addr_OSTitle_main_entry = ADDRESS_OSTitle_main_entry_ptr; + + memcpy((void*)OS_SPECIFICS, &osSpecificFunctions, sizeof(OsSpecifics)); +} + +/* Write a 32-bit word with kernel permissions */ +void __attribute__ ((noinline)) kern_write(void *addr, uint32_t value) { + asm volatile ( + "li 3,1\n" + "li 4,0\n" + "mr 5,%1\n" + "li 6,0\n" + "li 7,0\n" + "lis 8,1\n" + "mr 9,%0\n" + "mr %1,1\n" + "li 0,0x3500\n" + "sc\n" + "nop\n" + "mr 1,%1\n" + : + : "r"(addr), "r"(value) + : "memory", "ctr", "lr", "0", "3", "4", "5", "6", "7", "8", "9", "10", + "11", "12" + ); +} diff --git a/source/hbl_install.h b/source/hbl_install.h new file mode 100644 index 0000000..de72194 --- /dev/null +++ b/source/hbl_install.h @@ -0,0 +1,3 @@ +#pragma once + +void InstallHBL(); \ No newline at end of file diff --git a/source/kernel_defs.h b/source/kernel_defs.h new file mode 100644 index 0000000..efbf04a --- /dev/null +++ b/source/kernel_defs.h @@ -0,0 +1,74 @@ +#ifndef __KERNEL_DEFS_H_ +#define __KERNEL_DEFS_H_ + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +// original structure in the kernel that is originally 0x1270 long +typedef struct { + uint32_t version_cos_xml; // version tag from cos.xml + uint64_t os_version; // os_version from app.xml + uint64_t title_id; // title_id tag from app.xml + uint32_t app_type; // app_type tag from app.xml + uint32_t cmdFlags; // unknown tag as it is always 0 (might be cmdFlags from cos.xml but i am not sure) + char rpx_name[0x1000]; // rpx name from cos.xml + uint32_t unknown2; // 0x050B8304 in mii maker and system menu (looks a bit like permissions complex that got masked!?) + uint32_t unknown3[63]; // those were all zeros, but its probably connected with unknown2 + uint32_t max_size; // max_size in cos.xml which defines the maximum amount of memory reserved for the app + uint32_t avail_size; // avail_size or codegen_size in cos.xml (seems to mostly be 0?) + uint32_t codegen_size; // codegen_size or avail_size in cos.xml (seems to mostly be 0?) + uint32_t codegen_core; // codegen_core in cos.xml (seems to mostly be 1?) + uint32_t max_codesize; // max_codesize in cos.xml + uint32_t overlay_arena; // overlay_arena in cos.xml + uint32_t unknown4[59]; // all zeros it seems + uint32_t default_stack0_size; // not sure because always 0 but very likely + uint32_t default_stack1_size; // not sure because always 0 but very likely + uint32_t default_stack2_size; // not sure because always 0 but very likely + uint32_t default_redzone0_size; // not sure because always 0 but very likely + uint32_t default_redzone1_size; // not sure because always 0 but very likely + uint32_t default_redzone2_size; // not sure because always 0 but very likely + uint32_t exception_stack0_size; // from cos.xml, 0x1000 on mii maker + uint32_t exception_stack1_size; // from cos.xml, 0x1000 on mii maker + uint32_t exception_stack2_size; // from cos.xml, 0x1000 on mii maker + uint32_t sdk_version; // from app.xml, 20909 (0x51AD) on mii maker + uint32_t title_version; // from app.xml, 0x32 on mii maker + /* + // --------------------------------------------------------------------------------------------------------------------------------------------- + // the next part might be changing from title to title?! I don't think its important but nice to know maybe.... + // --------------------------------------------------------------------------------------------------------------------------------------------- + char mlc[4]; // string "mlc" on mii maker and sysmenu + uint32_t unknown5[7]; // all zeros on mii maker and sysmenu + uint32_t unknown6_one; // 0x01 on mii maker and sysmenu + // --------------------------------------------------------------------------------------------------------------------------------------------- + char ACP[4]; // string "ACP" on mii maker and sysmenu + uint32_t unknown7[15]; // all zeros on mii maker and sysmenu + uint32_t unknown8_5; // 0x05 on mii maker and sysmenu + uint32_t unknown9_zero; // 0x00 on mii maker and sysmenu + uint32_t unknown10_ptr; // 0xFF23DD0C pointer on mii maker and sysmenu + // --------------------------------------------------------------------------------------------------------------------------------------------- + char UVD[4]; // string "UVD" on mii maker and sysmenu + uint32_t unknown11[15]; // all zeros on mii maker and sysmenu + uint32_t unknown12_5; // 0x05 on mii maker and sysmenu + uint32_t unknown13_zero; // 0x00 on mii maker and sysmenu + uint32_t unknown14_ptr; // 0xFF23EFC8 pointer on mii maker and sysmenu + // --------------------------------------------------------------------------------------------------------------------------------------------- + char SND[4]; // string "SND" on mii maker and sysmenu + uint32_t unknown15[15]; // all zeros on mii maker and sysmenu + uint32_t unknown16_5; // 0x05 on mii maker and sysmenu + uint32_t unknown17_zero; // 0x00 on mii maker and sysmenu + uint32_t unknown18_ptr; // 0xFF23F014 pointer on mii maker and sysmenu + // --------------------------------------------------------------------------------------------------------------------------------------------- + uint32_t unknown19; // 0x02 on miimaker, 0x0F on system menu + */ + // after that only zeros follow +} __attribute__((packed)) CosAppXmlInfo; + + +#ifdef __cplusplus +} +#endif + +#endif // __KERNEL_DEFS_H_ diff --git a/source/kernel_patches.s b/source/kernel_patches.s new file mode 100644 index 0000000..90187cb --- /dev/null +++ b/source/kernel_patches.s @@ -0,0 +1,211 @@ +#define BAT_SETUP_HOOK_ADDR 0xFFF1D624 +# not all of those NOP address are required for every firmware +# mainly these should stop the kernel from removing our IBAT4 and DBAT5 +#define BAT_SET_NOP_ADDR_1 0xFFF06B6C +#define BAT_SET_NOP_ADDR_2 0xFFF06BF8 +#define BAT_SET_NOP_ADDR_3 0xFFF003C8 +#define BAT_SET_NOP_ADDR_4 0xFFF003CC +#define BAT_SET_NOP_ADDR_5 0xFFF1D70C +#define BAT_SET_NOP_ADDR_6 0xFFF1D728 +#define BAT_SET_NOP_ADDR_7 0xFFF1D82C + +#define BAT_SET_NOP_ADDR_8 0xFFEE11C4 +#define BAT_SET_NOP_ADDR_9 0xFFEE11C8 + +#define BAT_SETUP_HOOK_ENTRY 0x00800000 + + +#define BAT4U_VAL 0x008000FF +#define BAT4L_VAL 0x30800012 + + +#define SET_R4_TO_ADDR(addr) \ + lis r3, addr@h ; \ + ori r3, r3, addr@l ; \ + stw r4, 0(r3) ; \ + dcbf 0, r3 ; \ + icbi 0, r3 ; + + .globl Syscall_0x36 +Syscall_0x36: + li r0, 0x3600 + sc + blr + + +.global SCKernelCopyData +SCKernelCopyData: + // Disable data address translation + mfmsr %r6 + li %r7, 0x10 + andc %r6, %r6, %r7 + mtmsr %r6 + + // Copy data + addi %r3, %r3, -1 + addi %r4, %r4, -1 + mtctr %r5 +SCKernelCopyData_loop: + lbzu %r5, 1(%r4) + stbu %r5, 1(%r3) + bdnz SCKernelCopyData_loop + + // Enable data address translation + ori %r6, %r6, 0x10 + mtmsr %r6 +blr + +.global SC_0x25_KernelCopyData +SC_0x25_KernelCopyData: + li %r0, 0x2500 + sc +blr + + .globl KernelPatches +KernelPatches: + # store the old DBAT0 + mfdbatu r5, 0 + mfdbatl r6, 0 + + # memory barrier + eieio + isync + + # setup DBAT0 for access to kernel code memory + lis r3, 0xFFF0 + ori r3, r3, 0x0002 + mtdbatu 0, r3 + lis r3, 0xFFF0 + ori r3, r3, 0x0032 + mtdbatl 0, r3 + + # memory barrier + eieio + isync + + # SaveAndResetDataBATs_And_SRs hook setup, but could be any BAT function though + # just chosen because its simple + lis r3, BAT_SETUP_HOOK_ADDR@h + ori r3, r3, BAT_SETUP_HOOK_ADDR@l + + # make the kernel setup our section in IBAT4 and + # jump to our function to restore the replaced instructions + lis r4, 0x3ce0 # lis r7, BAT4L_VAL@h + ori r4, r4, BAT4L_VAL@h + stw r4, 0x00(r3) + lis r4, 0x60e7 # ori r7, r7, BAT4L_VAL@l + ori r4, r4, BAT4L_VAL@l + stw r4, 0x04(r3) + lis r4, 0x7cf1 # mtspr 561, r7 + ori r4, r4, 0x8ba6 + stw r4, 0x08(r3) + lis r4, 0x3ce0 # lis r7, BAT4U_VAL@h + ori r4, r4, BAT4U_VAL@h + stw r4, 0x0C(r3) + lis r4, 0x60e7 # ori r7, r7, BAT4U_VAL@l + ori r4, r4, BAT4U_VAL@l + stw r4, 0x10(r3) + lis r4, 0x7cf0 # mtspr 560, r7 + ori r4, r4, 0x8ba6 + stw r4, 0x14(r3) + lis r4, 0x7c00 # eieio + ori r4, r4, 0x06ac + stw r4, 0x18(r3) + lis r4, 0x4c00 # isync + ori r4, r4, 0x012c + stw r4, 0x1C(r3) + lis r4, 0x7ce8 # mflr r7 + ori r4, r4, 0x02a6 + stw r4, 0x20(r3) + lis r4, (BAT_SETUP_HOOK_ENTRY | 0x48000003)@h # bla BAT_SETUP_HOOK_ENTRY + ori r4, r4, (BAT_SETUP_HOOK_ENTRY | 0x48000003)@l + stw r4, 0x24(r3) + + # flush and invalidate the replaced instructions + lis r3, (BAT_SETUP_HOOK_ADDR & ~31)@h + ori r3, r3, (BAT_SETUP_HOOK_ADDR & ~31)@l + dcbf 0, r3 + icbi 0, r3 + lis r3, ((BAT_SETUP_HOOK_ADDR + 0x20) & ~31)@h + ori r3, r3, ((BAT_SETUP_HOOK_ADDR + 0x20) & ~31)@l + dcbf 0, r3 + icbi 0, r3 + sync + + # setup IBAT4 for core 1 at this position (not really required but wont hurt) + # IBATL 4 + lis r3, BAT4L_VAL@h + ori r3, r3, BAT4L_VAL@l + mtspr 561, r3 + + # IBATU 4 + lis r3, BAT4U_VAL@h + ori r3, r3, BAT4U_VAL@l + mtspr 560, r3 + + # memory barrier + eieio + isync + + # write "nop" to some positions + lis r4, 0x6000 + # nop on IBATU 4 and DBAT 5 set/reset +#ifdef BAT_SET_NOP_ADDR_1 + SET_R4_TO_ADDR(BAT_SET_NOP_ADDR_1) +#endif +#ifdef BAT_SET_NOP_ADDR_2 + SET_R4_TO_ADDR(BAT_SET_NOP_ADDR_2) +#endif +#ifdef BAT_SET_NOP_ADDR_3 + SET_R4_TO_ADDR(BAT_SET_NOP_ADDR_3) +#endif +#ifdef BAT_SET_NOP_ADDR_4 + SET_R4_TO_ADDR(BAT_SET_NOP_ADDR_4) +#endif +#ifdef BAT_SET_NOP_ADDR_5 + SET_R4_TO_ADDR(BAT_SET_NOP_ADDR_5) +#endif +#ifdef BAT_SET_NOP_ADDR_6 + SET_R4_TO_ADDR(BAT_SET_NOP_ADDR_6) +#endif +#ifdef BAT_SET_NOP_ADDR_7 + SET_R4_TO_ADDR(BAT_SET_NOP_ADDR_7) +#endif + +#if (defined(BAT_SET_NOP_ADDR_8) && defined(BAT_SET_NOP_ADDR_9)) + # memory barrier + eieio + isync + + # setup DBAT0 for access to kernel code memory + lis r3, 0xFFEE + ori r3, r3, 0x0002 + mtdbatu 0, r3 + lis r3, 0xFFEE + ori r3, r3, 0x0032 + mtdbatl 0, r3 + + # memory barrier + eieio + isync + + # write "nop" to some positions + lis r4, 0x6000 + SET_R4_TO_ADDR(BAT_SET_NOP_ADDR_8) + SET_R4_TO_ADDR(BAT_SET_NOP_ADDR_9) +#endif + + # memory barrier + eieio + isync + + # restore DBAT 0 and return from interrupt + mtdbatu 0, r5 + mtdbatl 0, r6 + + # memory barrier + eieio + isync + + blr + diff --git a/source/logger.h b/source/logger.h new file mode 100644 index 0000000..8aed1d4 --- /dev/null +++ b/source/logger.h @@ -0,0 +1,23 @@ +#pragma once + +#ifdef __cplusplus +extern "C" { +#endif + +#include +#include + +#define __FILENAME_X__ (strrchr(__FILE__, '\\') ? strrchr(__FILE__, '\\') + 1 : __FILE__) +#define __FILENAME__ (strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : __FILENAME_X__) + +#define DEBUG_FUNCTION_LINE(FMT, ARGS...)do { \ + WHBLogPrintf("[%23s]%30s@L%04d: " FMT "",__FILENAME__,__FUNCTION__, __LINE__, ## ARGS); \ + } while (0); + +#define DEBUG_FUNCTION_LINE_WRITE(FMT, ARGS...)do { \ + WHBLogWritef("[%23s]%30s@L%04d: " FMT "",__FILENAME__,__FUNCTION__, __LINE__, ## ARGS); \ + } while (0); + +#ifdef __cplusplus +} +#endif \ No newline at end of file diff --git a/source/main.cpp b/source/main.cpp index fb57fc4..ca85d98 100644 --- a/source/main.cpp +++ b/source/main.cpp @@ -1,69 +1,128 @@ -#include -#include -#include +#include +#include +#include +#include #include -#include -#include -#include "../homebrew_launcher_installer/src/elf_abi.h" -#include "payload_elf.h" +#include +#include +#include +#include +#include +#include +#include +#include -static unsigned int load_elf_image (const uint8_t* elfstart) { - Elf32_Ehdr *ehdr; - Elf32_Phdr *phdrs; - unsigned char *image; - int i; +#include +#include "hbl_install.h" +#include "utils.h" +#include "logger.h" - ehdr = (Elf32_Ehdr *) elfstart; +#include +#include +#include - if(ehdr->e_phoff == 0 || ehdr->e_phnum == 0) - return 0; +extern "C" void Initialize__Q2_2nn3spmFv(); +extern "C" void SetAutoFatal__Q2_2nn3spmFb(bool); +extern "C" void SetExtendedStorage__Q2_2nn3spmFQ3_2nn3spm12StorageIndex(int*); +extern "C" void SetDefaultExtendedStorageVolumeId__Q2_2nn3spmFRCQ3_2nn3spm8VolumeId(int*); - if(ehdr->e_phentsize != sizeof(Elf32_Phdr)) - return 0; +bool getQuickBoot() { + auto bootCheck = CCRSysCaffeineBootCheck(); + if (bootCheck == 0) { + nn::sl::Initialize(MEMAllocFromDefaultHeapEx, MEMFreeToDefaultHeap); + char path[0x80]; + nn::sl::GetDefaultDatabasePath(path, 0x80, 0x00050010, 0x10066000); + FSCmdBlock cmdBlock; + FSInitCmdBlock(&cmdBlock); - phdrs = (Elf32_Phdr*)(elfstart + ehdr->e_phoff); + auto fileStream = new nn::sl::FileStream; + auto *fsClient = (FSClient *) memalign(0x40, sizeof(FSClient)); + memset(fsClient, 0, sizeof(*fsClient)); + FSAddClient(fsClient, FS_ERROR_FLAG_NONE); - for(i = 0; i < ehdr->e_phnum; i++) { - if(phdrs[i].p_type != PT_LOAD) - continue; + fileStream->Initialize(fsClient, &cmdBlock, path, "r"); - if(phdrs[i].p_filesz > phdrs[i].p_memsz) - continue; + auto database = new nn::sl::LaunchInfoDatabase; + database->Load(fileStream, nn::sl::REGION_EUR); + + CCRAppLaunchParam data; // load sys caffeine data + // load app launch param + CCRSysCaffeineGetAppLaunchParam(&data); + + nn::act::Initialize(); + for(int i = 0; i < 13; i++){ + char uuid[16]; + auto result = nn::act::GetUuidEx(uuid, i); + if(result.IsSuccess()){ + if( memcmp(uuid, data.uuid, 8) == 0) { + DEBUG_FUNCTION_LINE("Load Console account %d", i); + nn::act::LoadConsoleAccount(i, 0, 0, 0); + break; + } + } + } + nn::act::Finalize(); - if(!phdrs[i].p_filesz) - continue; + // get launch info for id + nn::sl::LaunchInfo info; + database->GetLaunchInfoById(&info, data.titleId); - unsigned int p_paddr = phdrs[i].p_paddr; - image = (unsigned char *) (elfstart + phdrs[i].p_offset); + // info.titleId + OSReport("Quick boot into: %016llX\n", info.titleId); - memcpy ((void *) p_paddr, image, phdrs[i].p_filesz); - DCFlushRange((void*)p_paddr, phdrs[i].p_filesz); + delete database; + delete fileStream; - if(phdrs[i].p_flags & PF_X) - ICInvalidateRange ((void *) p_paddr, phdrs[i].p_memsz); + FSDelClient(fsClient, FS_ERROR_FLAG_NONE); + + nn::sl::Finalize(); + + MCPTitleListType titleInfo; + int32_t handle = MCP_Open(); + MCP_GetTitleInfo(handle, info.titleId, &titleInfo); + MCP_Close(handle); + ACPAssignTitlePatch(&titleInfo); + _SYSLaunchTitleWithStdArgsInNoSplash(info.titleId, nullptr); + + + return true; + } else { + OSReport("No quick boot\n"); } - - //! clear BSS - Elf32_Shdr *shdr = (Elf32_Shdr *) (elfstart + ehdr->e_shoff); - for(i = 0; i < ehdr->e_shnum; i++) { - const char *section_name = ((const char*)elfstart) + shdr[ehdr->e_shstrndx].sh_offset + shdr[i].sh_name; - if(section_name[0] == '.' && section_name[1] == 'b' && section_name[2] == 's' && section_name[3] == 's') { - memset((void*)shdr[i].sh_addr, 0, shdr[i].sh_size); - DCFlushRange((void*)shdr[i].sh_addr, shdr[i].sh_size); - } else if(section_name[0] == '.' && section_name[1] == 's' && section_name[2] == 'b' && section_name[3] == 's' && section_name[4] == 's') { - memset((void*)shdr[i].sh_addr, 0, shdr[i].sh_size); - DCFlushRange((void*)shdr[i].sh_addr, shdr[i].sh_size); - } - } - - return ehdr->e_entry; + return false; } +static void initExternalStorage(void) { + Initialize__Q2_2nn3spmFv(); + SetAutoFatal__Q2_2nn3spmFb(false); + + int storageIndex[2]{}; + SetExtendedStorage__Q2_2nn3spmFQ3_2nn3spm12StorageIndex(storageIndex); + + int volumeId[4]{}; + SetDefaultExtendedStorageVolumeId__Q2_2nn3spmFRCQ3_2nn3spm8VolumeId(volumeId); +} + +void bootHomebrewLauncher(void) { + uint64_t titleId = _SYSGetSystemApplicationTitleId(SYSTEM_APP_ID_MII_MAKER); + _SYSLaunchTitleWithStdArgsInNoSplash(titleId, nullptr); +} + + +extern "C" void _SYSLaunchMenuWithCheckingAccount(nn::act::SlotNo slot); + int main(int argc, char **argv) { - uint32_t res = load_elf_image(payload_elf); - if(res != 0) { - ((int (*)(int, char **)) res)(0, nullptr); + if(!WHBLogModuleInit()){ + WHBLogCafeInit(); + WHBLogUdpInit(); } + initExternalStorage(); + InstallHBL(); + + if(!getQuickBoot()) { + bootHomebrewLauncher(); + } + return 0; } diff --git a/source/utils.cpp b/source/utils.cpp new file mode 100644 index 0000000..b07586a --- /dev/null +++ b/source/utils.cpp @@ -0,0 +1,39 @@ +#include +#include +#include +#include "logger.h" +#include "utils.h" + +// https://gist.github.com/ccbrown/9722406 +void Utils::dumpHex(const void *data, size_t size) { + char ascii[17]; + size_t i, j; + ascii[16] = '\0'; + WHBLogWritef("0x%08X (0x0000): ", data); + for (i = 0; i < size; ++i) { + WHBLogWritef("%02X ", ((unsigned char *) data)[i]); + if (((unsigned char *) data)[i] >= ' ' && ((unsigned char *) data)[i] <= '~') { + ascii[i % 16] = ((unsigned char *) data)[i]; + } else { + ascii[i % 16] = '.'; + } + if ((i + 1) % 8 == 0 || i + 1 == size) { + WHBLogWritef(" "); + if ((i + 1) % 16 == 0) { + WHBLogPrintf("| %s ", ascii); + if (i + 1 < size) { + WHBLogWritef("0x%08X (0x%04X); ", ((uint32_t) data) + i + 1, i + 1); + } + } else if (i + 1 == size) { + ascii[(i + 1) % 16] = '\0'; + if ((i + 1) % 16 <= 8) { + WHBLogWritef(" "); + } + for (j = (i + 1) % 16; j < 16; ++j) { + WHBLogWritef(" "); + } + WHBLogPrintf("| %s \n", ascii); + } + } + } +} \ No newline at end of file diff --git a/source/utils.h b/source/utils.h new file mode 100644 index 0000000..d4223be --- /dev/null +++ b/source/utils.h @@ -0,0 +1,45 @@ +#pragma once + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +#define LIMIT(x, min, max) \ + ({ \ + typeof( x ) _x = x; \ + typeof( min ) _min = min; \ + typeof( max ) _max = max; \ + ( ( ( _x ) < ( _min ) ) ? ( _min ) : ( ( _x ) > ( _max ) ) ? ( _max) : ( _x ) ); \ +}) + +#define DegToRad(a) ( (a) * 0.01745329252f ) +#define RadToDeg(a) ( (a) * 57.29577951f ) + +#define ALIGN4(x) (((x) + 3) & ~3) +#define ALIGN32(x) (((x) + 31) & ~31) + +// those work only in powers of 2 +#define ROUNDDOWN(val, align) ((val) & ~(align-1)) +#define ROUNDUP(val, align) ROUNDDOWN(((val) + (align-1)), align) + + +#define le16(i) ((((uint16_t) ((i) & 0xFF)) << 8) | ((uint16_t) (((i) & 0xFF00) >> 8))) +#define le32(i) ((((uint32_t)le16((i) & 0xFFFF)) << 16) | ((uint32_t)le16(((i) & 0xFFFF0000) >> 16))) +#define le64(i) ((((uint64_t)le32((i) & 0xFFFFFFFFLL)) << 32) | ((uint64_t)le32(((i) & 0xFFFFFFFF00000000LL) >> 32))) + +#ifdef __cplusplus +} +#endif + + +class Utils { +public: + static void dumpHex(const void *data, size_t size); + + static std::string calculateSHA1(const char *buffer, size_t size); + + static std::string hashFile(const std::string &path); +}; \ No newline at end of file