mirror of
https://github.com/yellows8/twlbannertool.git
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Initial commit.
This commit is contained in:
yellows8
commit
30c4ae82b7
156
Makefile
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156
Makefile
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@ -0,0 +1,156 @@
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#---------------------------------------------------------------------------------
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.SUFFIXES:
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#---------------------------------------------------------------------------------
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#---------------------------------------------------------------------------------
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# the prefix on the compiler executables
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#---------------------------------------------------------------------------------
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PREFIX :=
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export CC := $(PREFIX)gcc
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export CXX := $(PREFIX)g++
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export AS := $(PREFIX)as
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export AR := $(PREFIX)ar
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export OBJCOPY := $(PREFIX)objcopy
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#---------------------------------------------------------------------------------
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%.a:
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#---------------------------------------------------------------------------------
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@echo $(notdir $@)
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@rm -f $@
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$(AR) -rc $@ $^
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#---------------------------------------------------------------------------------
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%.o: %.cpp
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@echo $(notdir $<)
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$(CXX) -MMD -MP -MF $(DEPSDIR)/$*.d $(CXXFLAGS) -c $< -o $@
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#---------------------------------------------------------------------------------
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%.o: %.c
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@echo $(notdir $<)
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$(CC) -MMD -MP -MF $(DEPSDIR)/$*.d $(CFLAGS) -c $< -o $@
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#---------------------------------------------------------------------------------
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%.o: %.s
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@echo $(notdir $<)
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$(CC) -MMD -MP -MF $(DEPSDIR)/$*.d -x assembler-with-cpp $(ASFLAGS) -c $< -o $@
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#---------------------------------------------------------------------------------
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%.o: %.S
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@echo $(notdir $<)
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$(CC) -MMD -MP -MF $(DEPSDIR)/$*.d -x assembler-with-cpp $(ASFLAGS) -c $< -o $@
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#---------------------------------------------------------------------------------
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# TARGET is the name of the output
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# BUILD is the directory where object files & intermediate files will be placed
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# SOURCES is a list of directories containing source code
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# INCLUDES is a list of directories containing extra header files
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# MAXMOD_SOUNDBANK contains a directory of music and sound effect files
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#---------------------------------------------------------------------------------
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TARGET := $(shell basename $(CURDIR))
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BUILD := build_nix
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SOURCES := source
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DATA := data
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INCLUDES := include
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#---------------------------------------------------------------------------------
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# options for code generation
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#---------------------------------------------------------------------------------
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CFLAGS := -Wall -O2
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CFLAGS += $(INCLUDE)
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CXXFLAGS := $(CFLAGS)
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ASFLAGS := -g
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LDFLAGS = -g -Wl
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#---------------------------------------------------------------------------------
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# any extra libraries we wish to link with the project (order is important)
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#---------------------------------------------------------------------------------
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LIBS :=
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#---------------------------------------------------------------------------------
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# list of directories containing libraries, this must be the top level containing
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# include and lib
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#---------------------------------------------------------------------------------
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LIBDIRS :=
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#---------------------------------------------------------------------------------
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# no real need to edit anything past this point unless you need to add additional
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# rules for different file extensions
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#---------------------------------------------------------------------------------
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ifneq ($(BUILD),$(notdir $(CURDIR)))
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#---------------------------------------------------------------------------------
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export OUTPUT := $(CURDIR)/$(TARGET)
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export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
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$(foreach dir,$(DATA),$(CURDIR)/$(dir))
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export DEPSDIR := $(CURDIR)/$(BUILD)
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CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
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CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
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SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
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BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
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#---------------------------------------------------------------------------------
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# use CXX for linking C++ projects, CC for standard C
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#---------------------------------------------------------------------------------
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ifeq ($(strip $(CPPFILES)),)
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#---------------------------------------------------------------------------------
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export LD := $(CC)
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#---------------------------------------------------------------------------------
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else
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#---------------------------------------------------------------------------------
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export LD := $(CXX)
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#---------------------------------------------------------------------------------
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endif
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#---------------------------------------------------------------------------------
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export OFILES := $(addsuffix .o,$(BINFILES)) \
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$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
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export INCLUDE := $(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
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$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
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$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
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-I$(CURDIR)/$(BUILD)
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export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib)
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.PHONY: $(BUILD) clean
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#---------------------------------------------------------------------------------
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$(BUILD):
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@[ -d $@ ] || mkdir -p $@
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@make --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
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#---------------------------------------------------------------------------------
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clean:
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@echo clean ...
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@rm -fr $(BUILD) $(TARGET)
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#---------------------------------------------------------------------------------
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else
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#---------------------------------------------------------------------------------
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# main targets
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#---------------------------------------------------------------------------------
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$(OUTPUT) : $(OFILES)
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@echo linking $(notdir $@)
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@$(LD) $(LDFLAGS) $(OFILES) $(LIBPATHS) $(LIBS) -o $@
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#---------------------------------------------------------------------------------
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%.bin.o : %.bin
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#---------------------------------------------------------------------------------
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@echo $(notdir $<)
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$(bin2o)
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-include $(DEPSDIR)/*.d
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#---------------------------------------------------------------------------------------
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endif
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#---------------------------------------------------------------------------------------
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1
README.md
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1
README.md
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@ -0,0 +1 @@
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This is a Nintendo DSi tool originally from 2010 for updating the CRCs in banner.sav.
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151
source/twlbannertool.c
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151
source/twlbannertool.c
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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//********************************CRC 16**************************************************
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//CRC code written by Frz. CRC32 code at least. CRC16 code is based on the CRC32 code.
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const unsigned short crc16tab[] = /* CRC lookup table */
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{
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0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241,
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0xC601, 0x06C0, 0x0780, 0xC741, 0x0500, 0xC5C1, 0xC481, 0x0440,
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0xCC01, 0x0CC0, 0x0D80, 0xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40,
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0x0A00, 0xCAC1, 0xCB81, 0x0B40, 0xC901, 0x09C0, 0x0880, 0xC841,
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0xD801, 0x18C0, 0x1980, 0xD941, 0x1B00, 0xDBC1, 0xDA81, 0x1A40,
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0x1E00, 0xDEC1, 0xDF81, 0x1F40, 0xDD01, 0x1DC0, 0x1C80, 0xDC41,
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0x1400, 0xD4C1, 0xD581, 0x1540, 0xD701, 0x17C0, 0x1680, 0xD641,
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0xD201, 0x12C0, 0x1380, 0xD341, 0x1100, 0xD1C1, 0xD081, 0x1040,
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0xF001, 0x30C0, 0x3180, 0xF141, 0x3300, 0xF3C1, 0xF281, 0x3240,
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0x3600, 0xF6C1, 0xF781, 0x3740, 0xF501, 0x35C0, 0x3480, 0xF441,
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0x3C00, 0xFCC1, 0xFD81, 0x3D40, 0xFF01, 0x3FC0, 0x3E80, 0xFE41,
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0xFA01, 0x3AC0, 0x3B80, 0xFB41, 0x3900, 0xF9C1, 0xF881, 0x3840,
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0x2800, 0xE8C1, 0xE981, 0x2940, 0xEB01, 0x2BC0, 0x2A80, 0xEA41,
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0xEE01, 0x2EC0, 0x2F80, 0xEF41, 0x2D00, 0xEDC1, 0xEC81, 0x2C40,
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0xE401, 0x24C0, 0x2580, 0xE541, 0x2700, 0xE7C1, 0xE681, 0x2640,
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0x2200, 0xE2C1, 0xE381, 0x2340, 0xE101, 0x21C0, 0x2080, 0xE041,
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0xA001, 0x60C0, 0x6180, 0xA141, 0x6300, 0xA3C1, 0xA281, 0x6240,
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0x6600, 0xA6C1, 0xA781, 0x6740, 0xA501, 0x65C0, 0x6480, 0xA441,
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0x6C00, 0xACC1, 0xAD81, 0x6D40, 0xAF01, 0x6FC0, 0x6E80, 0xAE41,
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0xAA01, 0x6AC0, 0x6B80, 0xAB41, 0x6900, 0xA9C1, 0xA881, 0x6840,
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0x7800, 0xB8C1, 0xB981, 0x7940, 0xBB01, 0x7BC0, 0x7A80, 0xBA41,
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0xBE01, 0x7EC0, 0x7F80, 0xBF41, 0x7D00, 0xBDC1, 0xBC81, 0x7C40,
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0xB401, 0x74C0, 0x7580, 0xB541, 0x7700, 0xB7C1, 0xB681, 0x7640,
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0x7200, 0xB2C1, 0xB381, 0x7340, 0xB101, 0x71C0, 0x7080, 0xB041,
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0x5000, 0x90C1, 0x9181, 0x5140, 0x9301, 0x53C0, 0x5280, 0x9241,
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0x9601, 0x56C0, 0x5780, 0x9741, 0x5500, 0x95C1, 0x9481, 0x5440,
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0x9C01, 0x5CC0, 0x5D80, 0x9D41, 0x5F00, 0x9FC1, 0x9E81, 0x5E40,
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0x5A00, 0x9AC1, 0x9B81, 0x5B40, 0x9901, 0x59C0, 0x5880, 0x9841,
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0x8801, 0x48C0, 0x4980, 0x8941, 0x4B00, 0x8BC1, 0x8A81, 0x4A40,
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0x4E00, 0x8EC1, 0x8F81, 0x4F40, 0x8D01, 0x4DC0, 0x4C80, 0x8C41,
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0x4400, 0x84C1, 0x8581, 0x4540, 0x8701, 0x47C0, 0x4680, 0x8641,
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0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040
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};
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void crc16_init(unsigned short *uCrc16)
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{
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*uCrc16 = 0xFFFF;
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}
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void crc16_update(unsigned short *uCrc16, const unsigned char *pBuffer, unsigned long uBufSize)
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{
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unsigned long i = 0;
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for(i = 0; i < uBufSize; i++)
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*uCrc16 = (*uCrc16 >> 8) ^ crc16tab[(*uCrc16 ^ *pBuffer++) & 0xFF];
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}
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void crc16_final(unsigned short *uCrc16)
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{
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*uCrc16 = ~(*uCrc16);
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}
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/*
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* CalcCRC
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*/
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unsigned short CalcCRC16(unsigned char *data, unsigned int length)
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{
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unsigned short crc = 0xFFFF;
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unsigned int i;
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for (i=0; i<length; i++)
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{
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crc = (crc >> 8) ^ crc16tab[(crc ^ data[i]) & 0xFF];
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}
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return crc;
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}
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unsigned char *bannerbuf;
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int main(int argc, char **argv)
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{
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FILE *fbanner;
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unsigned short checksum, *old_sum;
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int update = 0;
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printf("twlbannertool v1.0 by yellows8\n");
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if(argc<2)
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{
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printf("Update TWL banner checksums.\n");
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printf("Usage:\ntwlbannertool <banner>");
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return 0;
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}
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fbanner = fopen(argv[1], "r+");
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if(fbanner==NULL)
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{
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printf("File open fail.\n");
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return 0;
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}
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bannerbuf = (unsigned char*)malloc(0x23c0);
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memset(bannerbuf, 0, 0x23c0);
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fread(bannerbuf, 0x23c0, 1, fbanner);
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old_sum = ((unsigned short*)&bannerbuf[0x2]);
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checksum = CalcCRC16(&bannerbuf[0x20], 0x820);
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printf("CRC0 current %x calc %x\n", old_sum[0], checksum);
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if(checksum!=old_sum[0])
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{
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printf("Checksum is invalid, updating.\n");
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old_sum[0] = checksum;
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update = 1;
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}
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checksum = CalcCRC16(&bannerbuf[0x20], 0x920);
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printf("CRC1 current %x calc %x\n", old_sum[1], checksum);
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if(checksum!=old_sum[1])
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{
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printf("Checksum is invalid, updating.\n");
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old_sum[1] = checksum;
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update = 1;
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}
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checksum = CalcCRC16(&bannerbuf[0x20], 0xa20);
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printf("CRC2 current %x calc %x\n", old_sum[2], checksum);
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if(checksum!=old_sum[2])
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{
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printf("Checksum is invalid, updating.\n");
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old_sum[2] = checksum;
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update = 1;
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}
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checksum = CalcCRC16(&bannerbuf[0x1240], 0x1180);
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printf("CRC3 current %x calc %x\n", old_sum[3], checksum);
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if(checksum!=old_sum[3])
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{
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printf("Checksum is invalid, updating.\n");
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old_sum[3] = checksum;
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update = 1;
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}
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if(update)
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{
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fseek(fbanner, 0, SEEK_SET);
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fwrite(bannerbuf, 0x23c0, 1, fbanner);
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}
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fclose(fbanner);
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return 0;
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}
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