From 80c3ff5fa03429f1e4ea15032f665ceb88c9b8c3 Mon Sep 17 00:00:00 2001 From: tmk Date: Wed, 18 Jun 2014 02:22:59 +0900 Subject: Fix build files for mbed --- tool/mbed/gcc.mk | 80 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 tool/mbed/gcc.mk (limited to 'tool/mbed/gcc.mk') diff --git a/tool/mbed/gcc.mk b/tool/mbed/gcc.mk new file mode 100644 index 0000000000..0fc41fe275 --- /dev/null +++ b/tool/mbed/gcc.mk @@ -0,0 +1,80 @@ +############################################################################### +GCC_BIN = +AS = $(GCC_BIN)arm-none-eabi-as +CC = $(GCC_BIN)arm-none-eabi-gcc +CPP = $(GCC_BIN)arm-none-eabi-g++ +LD = $(GCC_BIN)arm-none-eabi-gcc +OBJCOPY = $(GCC_BIN)arm-none-eabi-objcopy +OBJDUMP = $(GCC_BIN)arm-none-eabi-objdump +SIZE = $(GCC_BIN)arm-none-eabi-size +CHKSUM = ~/Dropbox/MBED/tool/lpc-vector-checksum + +CPU = -mcpu=cortex-m0 -mthumb + +CC_FLAGS += $(CPU) -c -g -fno-common -fmessage-length=0 -Wall -fno-exceptions -ffunction-sections -fdata-sections +CC_FLAGS += -MMD -MP +CC_SYMBOLS = -DTARGET_LPC11U35_401 -DTARGET_M0 -DTARGET_NXP -DTARGET_LPC11UXX -DTOOLCHAIN_GCC_ARM -DTOOLCHAIN_GCC -D__CORTEX_M0 -DARM_MATH_CM0 -DMBED_BUILD_TIMESTAMP=1399108688.49 -D__MBED__=1 + +LD_FLAGS = -mcpu=cortex-m0 -mthumb -Wl,--gc-sections --specs=nano.specs +LD_FLAGS += -Wl,-Map=$(OBJDIR)/$(PROJECT).map,--cref +LD_SYS_LIBS = -lstdc++ -lsupc++ -lm -lc -lgcc -lnosys + +ifeq ($(DEBUG), 1) + CC_FLAGS += -DDEBUG -O0 +else + CC_FLAGS += -DNDEBUG -Os +endif + +all: $(OBJDIR)/$(PROJECT).bin $(OBJDIR)/$(PROJECT).hex size + +clean: + rm -f $(OBJDIR)/$(PROJECT).bin $(OBJDIR)/$(PROJECT).elf $(OBJDIR)/$(PROJECT).hex $(OBJDIR)/$(PROJECT).map $(OBJDIR)/$(PROJECT).lst $(OBJECTS) $(DEPS) + rm -fr $(OBJDIR) + +$(OBJDIR)/%.o: %.s + mkdir -p $(@D) + $(AS) $(CPU) -o $@ $< + +$(OBJDIR)/%.o: %.c + mkdir -p $(@D) + $(CC) $(CC_FLAGS) $(CC_SYMBOLS) -std=gnu99 $(INCLUDE_PATHS) -o $@ $< + +$(OBJDIR)/%.o: %.cpp + mkdir -p $(@D) + $(CPP) $(CC_FLAGS) $(CC_SYMBOLS) -std=gnu++98 $(INCLUDE_PATHS) -o $@ $< + + +$(OBJDIR)/$(PROJECT).elf: $(OBJECTS) $(SYS_OBJECTS) + $(LD) $(LD_FLAGS) -T$(LINKER_SCRIPT) $(LIBRARY_PATHS) -o $@ $^ $(LIBRARIES) $(LD_SYS_LIBS) $(LIBRARIES) $(LD_SYS_LIBS) + @echo "" + @echo "*****" + @echo "***** You must modify vector checksum value in *.bin and *.hex files." + @echo "*****" + @echo "" + +$(OBJDIR)/$(PROJECT).bin: $(OBJDIR)/$(PROJECT).elf + @$(OBJCOPY) -O binary $< $@ + @echo "Writing vector checksum value into $@ ..." + @$(CHKSUM) $@ + @echo + +$(OBJDIR)/$(PROJECT).hex: $(OBJDIR)/$(PROJECT).elf + @$(OBJCOPY) -O ihex $< $@ + +$(OBJDIR)/$(PROJECT).lst: $(OBJDIR)/$(PROJECT).elf + @$(OBJDUMP) -Sdh $< > $@ + +lst: $(OBJDIR)/$(PROJECT).lst + +size: + $(SIZE) $(OBJDIR)/$(PROJECT).elf + +prog: $(OBJDIR)/$(PROJECT).bin + @echo "Program..." +ifneq ($(shell mount | grep 'CRP DISABLD'),) + umount /dev/nxpisp >/dev/null 2>&1 +endif + dd if=$< of=/dev/nxpisp seek=4 + +DEPS = $(OBJECTS:.o=.d) $(SYS_OBJECTS:.o=.d) +-include $(DEPS) -- cgit v1.2.3 From a9f5f201ad6b009675fdf16c4447033cc2ac0995 Mon Sep 17 00:00:00 2001 From: tmk Date: Fri, 20 Jun 2014 15:30:10 +0900 Subject: Add checksum tool for NXP LPC --- tool/mbed/gcc.mk | 2 +- tool/mbed/lpc-vector-checksum.c | 99 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 100 insertions(+), 1 deletion(-) create mode 100644 tool/mbed/lpc-vector-checksum.c (limited to 'tool/mbed/gcc.mk') diff --git a/tool/mbed/gcc.mk b/tool/mbed/gcc.mk index 0fc41fe275..032f7c6cae 100644 --- a/tool/mbed/gcc.mk +++ b/tool/mbed/gcc.mk @@ -7,7 +7,7 @@ LD = $(GCC_BIN)arm-none-eabi-gcc OBJCOPY = $(GCC_BIN)arm-none-eabi-objcopy OBJDUMP = $(GCC_BIN)arm-none-eabi-objdump SIZE = $(GCC_BIN)arm-none-eabi-size -CHKSUM = ~/Dropbox/MBED/tool/lpc-vector-checksum +CHKSUM = $(TMK_DIR)/tool/mbed/lpc-vector-checksum CPU = -mcpu=cortex-m0 -mthumb diff --git a/tool/mbed/lpc-vector-checksum.c b/tool/mbed/lpc-vector-checksum.c new file mode 100644 index 0000000000..316a1253a0 --- /dev/null +++ b/tool/mbed/lpc-vector-checksum.c @@ -0,0 +1,99 @@ +/*************************************************************************** +* https://github.com/dhylands/projects/blob/master/lpc/lpc-vector-checksum/lpc-vector-checksum.c +* +* Copyright (c) 2012 by Dave Hylands +* All Rights Reserved +* +* Permission is granted to any individual or institution to use, copy, +* modify, or redistribute this file so long as it is not sold for profit, +* and that this copyright notice is retained. +* +*************************************************************************** +* +* This program calculates the vector checksum used in LPC17xx binary +* images. +* +* Usage: lpc-vector-checksum file +* +***************************************************************************/ + +#include +#include +#include +#include +#include + +/***************************************************************************/ +/** +* update_vector_checksum +* +* The algorithim is to write the checksum such that the checksum of the +* first 8 words is equal to zero. +* +* The LPC1768 uses little-endian, and this particular routine assumes +* that it's running on a little-endian architecture. +*/ +static int update_vector_checksum( const char *filename ) +{ + uint32_t sum; + uint32_t header[8]; + FILE *fs; + int i; + + if (( fs = fopen( filename, "r+b" )) == NULL ) + { + fprintf( stderr, "Unable to open '%s' for reading/writing (%d): %s\n", + filename, errno, strerror( errno )); + return 0; + } + + if ( fread( header, sizeof( header ), 1, fs ) != 1 ) + { + fprintf( stderr, "Failed to read header from '%s' (perhaps the file is too small?)", + filename ); + fclose( fs ); + return 0; + } + + sum = 0; + for ( i = 0; i < 7; i++ ) + { + sum += header[i]; + } + printf( "sum = 0x%08x, value to write = 0x%08x\n", sum, -sum ); + + /* write back the checksum to location 7 + * http://sigalrm.blogspot.jp/2011/10/cortex-m3-exception-vector-checksum.html + */ + fseek(fs, 0x1c, SEEK_SET); + sum = -sum; + fwrite(&sum, 4, 1, fs); + + fclose( fs ); + + return 1; +} + +/***************************************************************************/ +/** +* main +*/ +int main( int argc, char **argv ) +{ + int arg; + + if ( argc < 2) + { + fprintf( stderr, "Usage: lpc-vector-checksum file ...\n" ); + exit( 1 ); + } + + for ( arg = 1; arg < argc; arg++ ) + { + update_vector_checksum( argv[ arg ]); + } + + exit( 0 ); + return 0; +} + -- cgit v1.2.3