tools: add flash_loader
Signed-off-by: liangkangnan <liangkangnan@163.com>pull/4/head
liangkangnan
parent
27dc2ed0c1
commit
cfc170f896
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@ -0,0 +1,9 @@
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# Object files
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*.o
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*.ko
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*.obj
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*.bin
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*.dump
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*.mem
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flash_loader
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tinyriscv.inc
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@ -0,0 +1,58 @@
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TARGET := flash_loader
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BSP_DIR := ../../sdk/bsp
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RISCV_TOOLS_PATH := /opt/riscv32/bin
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RISCV_TOOLS_PREFIX := riscv32-unknown-elf-
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RISCV_GCC := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)gcc)
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RISCV_AS := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)as)
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RISCV_GXX := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)g++)
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RISCV_OBJDUMP := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)objdump)
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RISCV_GDB := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)gdb)
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RISCV_AR := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)ar)
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RISCV_OBJCOPY := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)objcopy)
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RISCV_READELF := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)readelf)
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.PHONY: all
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all: $(TARGET)
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ASM_SRCS += start.S
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C_SRCS += main.c
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C_SRCS += $(BSP_DIR)/lib/flash_ctrl.c
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LINKER_SCRIPT := link.ld
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INCLUDES += -I$(BSP_DIR)/include
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LDFLAGS += -Os -T $(LINKER_SCRIPT) -nostartfiles -Wl,--gc-sections -Wl,--check-sections
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ASM_OBJS := $(ASM_SRCS:.S=.o)
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C_OBJS := $(C_SRCS:.c=.o)
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LINK_OBJS += $(ASM_OBJS) $(C_OBJS)
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LINK_DEPS += $(LINKER_SCRIPT)
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CLEAN_OBJS += $(TARGET) $(LINK_OBJS) $(TARGET).dump $(TARGET).bin $(TARGET).hex $(TARGET).mem tinyriscv.inc
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CFLAGS += -march=rv32im
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CFLAGS += -mabi=ilp32
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CFLAGS += -mcmodel=medlow -ffunction-sections -fdata-sections -fno-builtin-printf -fno-builtin-malloc
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$(TARGET): $(LINK_OBJS) $(LINK_DEPS) Makefile
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$(RISCV_GCC) $(CFLAGS) $(INCLUDES) $(LINK_OBJS) -o $@ $(LDFLAGS)
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$(RISCV_OBJCOPY) -O binary $@ $@.bin
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$(RISCV_OBJDUMP) --disassemble-all $@ > $@.dump
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./bin2char.sh < flash_loader.bin > tinyriscv.inc
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$(ASM_OBJS): %.o: %.S
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$(RISCV_GCC) $(CFLAGS) $(INCLUDES) -c -o $@ $<
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$(C_OBJS): %.o: %.c
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$(RISCV_GCC) $(CFLAGS) $(INCLUDES) -c -o $@ $<
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.PHONY: clean
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clean:
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rm -f $(CLEAN_OBJS)
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@ -0,0 +1,14 @@
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#!/bin/sh
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[ $# != 0 ] && {
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echo "Usage: $0"
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echo
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echo "Read binary data from standard input and write it as a comma separated"
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echo "list of hexadecimal byte values to standard ouput. The output is usable"
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echo "as a C array initializer. It is terminated with a comma so it can be"
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echo "continued e.g. for zero termination."
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exit 1
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}
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echo "/* Autogenerated with $0 */"
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od -v -A n -t x1 | sed 's/ *\(..\) */0x\1,/g'
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OUTPUT_ARCH( "riscv" )
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ENTRY(_start)
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MEMORY
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{
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flash (wxa!ri) : ORIGIN = 0x20000000, LENGTH = 4K
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ram (wxa!ri) : ORIGIN = 0x20001000, LENGTH = 1K
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}
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SECTIONS
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{
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__stack_size = DEFINED(__stack_size) ? __stack_size : 256;
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.init :
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{
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KEEP (*(SORT_NONE(.init)))
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} >flash AT>flash
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.text :
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{
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*(.text.unlikely .text.unlikely.*)
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*(.text.startup .text.startup.*)
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*(.text .text.*)
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*(.gnu.linkonce.t.*)
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} >flash AT>flash
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. = ALIGN(4);
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PROVIDE (__etext = .);
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PROVIDE (_etext = .);
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PROVIDE (etext = .);
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.preinit_array :
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{
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PROVIDE_HIDDEN (__preinit_array_start = .);
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KEEP (*(.preinit_array))
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PROVIDE_HIDDEN (__preinit_array_end = .);
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} >flash AT>flash
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.init_array :
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{
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PROVIDE_HIDDEN (__init_array_start = .);
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KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
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KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
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PROVIDE_HIDDEN (__init_array_end = .);
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} >flash AT>flash
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.fini_array :
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{
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PROVIDE_HIDDEN (__fini_array_start = .);
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KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
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KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
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PROVIDE_HIDDEN (__fini_array_end = .);
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} >flash AT>flash
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.ctors :
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{
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/* gcc uses crtbegin.o to find the start of
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the constructors, so we make sure it is
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first. Because this is a wildcard, it
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doesn't matter if the user does not
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actually link against crtbegin.o; the
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linker won't look for a file to match a
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wildcard. The wildcard also means that it
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doesn't matter which directory crtbegin.o
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is in. */
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KEEP (*crtbegin.o(.ctors))
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KEEP (*crtbegin?.o(.ctors))
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/* We don't want to include the .ctor section from
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the crtend.o file until after the sorted ctors.
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The .ctor section from the crtend file contains the
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end of ctors marker and it must be last */
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KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
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KEEP (*(SORT(.ctors.*)))
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KEEP (*(.ctors))
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} >flash AT>flash
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.dtors :
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{
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KEEP (*crtbegin.o(.dtors))
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KEEP (*crtbegin?.o(.dtors))
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KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
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KEEP (*(SORT(.dtors.*)))
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KEEP (*(.dtors))
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} >flash AT>flash
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.lalign :
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{
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. = ALIGN(4);
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PROVIDE( _data_lma = . );
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} >flash AT>flash
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.dalign :
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{
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. = ALIGN(4);
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PROVIDE( _data = . );
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} >ram AT>flash
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.data :
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{
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*(.rdata)
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*(.rodata .rodata.*)
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*(.gnu.linkonce.r.*)
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*(.data .data.*)
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*(.gnu.linkonce.d.*)
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. = ALIGN(8);
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PROVIDE( __global_pointer$ = . + 0x800 );
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*(.sdata .sdata.*)
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*(.gnu.linkonce.s.*)
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. = ALIGN(8);
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*(.srodata.cst16)
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*(.srodata.cst8)
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*(.srodata.cst4)
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*(.srodata.cst2)
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*(.srodata .srodata.*)
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} >ram AT>flash
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. = ALIGN(4);
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PROVIDE( _edata = . );
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PROVIDE( edata = . );
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PROVIDE( _fbss = . );
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PROVIDE( __bss_start = . );
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.bss :
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{
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*(.sbss*)
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*(.gnu.linkonce.sb.*)
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*(.bss .bss.*)
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*(.gnu.linkonce.b.*)
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*(COMMON)
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. = ALIGN(4);
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} >ram AT>ram
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. = ALIGN(8);
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PROVIDE( _end = . );
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PROVIDE( end = . );
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.stack ORIGIN(ram) + LENGTH(ram) - __stack_size :
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{
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PROVIDE( _heap_end = . );
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. = __stack_size;
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PROVIDE( _sp = . );
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__freertos_irq_stack_top = .;
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} >ram AT>ram
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}
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@ -0,0 +1,63 @@
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#include <stdint.h>
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#include "flash_ctrl.h"
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// 烧写数据地址：4K + 1K + 256
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#define DATA_ADDR (0x20001500)
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// 烧写数据长度
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#define DATA_LEN (0x20001400)
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// 烧写(擦除)地址
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#define PROGRAM_ADDR (0x20001404)
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// 擦除标志
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// 0: 不擦除，1：擦除
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#define ERASE_FLAG (0x20001408)
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// 烧写状态标志
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// bit0为烧写结束标志，0：未烧写完成，1：烧写完成。
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// bit1为烧写结果标志，0：烧写失败，1：烧写成功
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#define RESULT_FLAG (0x2000140C)
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#define PAGE_SIZE (256)
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static uint32_t *data_p;
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static uint32_t *result_p;
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static uint32_t len, addr;
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static uint32_t erase;
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static uint8_t succ;
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int main()
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{
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data_p = (uint32_t *)DATA_ADDR;
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result_p = (uint32_t *)RESULT_FLAG;
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len = *((uint32_t *)DATA_LEN);
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addr = *((uint32_t *)PROGRAM_ADDR);
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erase = *((uint32_t *)ERASE_FLAG);
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*result_p = 0;
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flash_ctrl_init();
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// 擦除操作
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if (erase) {
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// 擦除子扇区
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succ = flash_ctrl_sector_erase(addr);
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// 编程操作
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} else {
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// 编程
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succ = flash_ctrl_page_program(addr, data_p, len);
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}
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flash_ctrl_deinit();
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if (succ)
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*result_p = 0x3;
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else
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*result_p = 0x1;
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while (1);
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}
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@ -0,0 +1,41 @@
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.section .init;
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.globl _start;
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.type _start,@function
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_start:
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.option push
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.option norelax
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la gp, __global_pointer$
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.option pop
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la sp, _sp
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/* Load data section */
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la a0, _data_lma
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la a1, _data
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la a2, _edata
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bgeu a1, a2, 2f
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1:
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lw t0, (a0)
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sw t0, (a1)
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addi a0, a0, 4
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addi a1, a1, 4
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bltu a1, a2, 1b
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2:
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/* Clear bss section */
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la a0, __bss_start
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la a1, _end
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bgeu a0, a1, 2f
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1:
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sw zero, (a0)
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addi a0, a0, 4
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bltu a0, a1, 1b
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2:
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li a0, 0
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li a1, 0
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call main
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loop:
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j loop
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