/* Reference code from RFC1952. Not meant to be used outside test code. */ #include "stm32f4xx_hal.h" /* Table of CRCs of all 8-bit messages. */ unsigned long crc_table[256]; /* Flag: has the table been computed? Initially false. */ int crc_table_computed = 0; /* Make the table for a fast CRC. */ void make_crc_table(void) { unsigned long c; int n, k; for (n = 0; n < 256; n++) { c = (unsigned long) n; for (k = 0; k < 8; k++) { if (c & 1) { c = 0xedb88320L ^ (c >> 1); } else { c = c >> 1; } } crc_table[n] = c; } crc_table_computed = 1; } /* Update a running crc with the bytes buf[0..len-1] and return the updated crc. The crc should be initialized to zero. Pre- and post-conditioning (one's complement) is performed within this function so it shouldn't be done by the caller. Usage example: unsigned long crc = 0L; while (read_buffer(buffer, length) != EOF) { crc = update_crc(crc, buffer, length); } if (crc != original_crc) error(); */ uint32_t update_crc(uint32_t crc, uint8_t *buf, int len) { unsigned long c = crc ^ 0xffffffffL; int n; if (!crc_table_computed) make_crc_table(); for (n = 0; n < len; n++) { c = crc_table[(c ^ buf[n]) & 0xff] ^ (c >> 8); } return c ^ 0xffffffffL; } /* Return the CRC of the bytes buf[0..len-1]. */ unsigned long crc(unsigned char *buf, int len) { return update_crc(0L, buf, len); } class='sub'>Cryptech HSM on STM-32 ARM processorgit repositories
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path: root/projects/bootloader/Makefile
blob: 7de93c0683469be7fdfbac55d575e7d6d3d9b9cb (plain) (blame) 
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PROG = bootloader

OBJS = crc32.o dfu.o

BOARD_OBJS = \
	./stm-init.o \
	$(TOPLEVEL)/stm-fmc.o \
	$(TOPLEVEL)/stm-uart.o \
	$(TOPLEVEL)/spiflash_n25q128.o \
	$(TOPLEVEL)/stm-fpgacfg.o \
	$(TOPLEVEL)/stm-keystore.o \
	$(TOPLEVEL)/stm-flash.o \
	$(TOPLEVEL)/syscalls.o \
	$(BOARD_DIR)/system_stm32f4xx.o \
	$(BOARD_DIR)/stm32f4xx_hal_msp.o \
	./startup_stm32f429xx.o \
	$(BOARD_DIR)/stm32f4xx_it.o

CFLAGS += -I$(LIBHAL_SRC)
LIBS += $(LIBHAL_BLD)/libhal.a $(LIBTFM_BLD)/libtfm.a

all: $(PROG:=.elf)

%.elf: %.o $(BOARD_OBJS) $(OBJS) $(LIBS)
	$(CC) $(CFLAGS) $^ -o $@ -T$(BOOTLOADER_LDSCRIPT) -g -Wl,-Map=$*.map
	$(OBJCOPY) -O ihex $*.elf $*.hex
	$(OBJCOPY) -O binary $*.elf $*.bin
	$(OBJDUMP) -St $*.elf >$*.lst
	$(SIZE) $*.elf

clean:
	rm -f *.o
	rm -f *.elf
	rm -f *.hex
	rm -f *.bin
	rm -f *.map
	rm -f *.lst
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