解析bin文件信息
This commit is contained in:
166
bin_to_hex.py
166
bin_to_hex.py
@@ -1,9 +1,11 @@
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import re
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import sys
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import struct
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import json
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# kunlun1,kunlun2,kunlun3的img类型
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# FRW是指未压缩的fw CFRW是指压缩之后的fw
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_ImgType={
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0x0000:"imgROM", # Maybe,ROM doesn't need a imgType */
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0xFC00:"imgSP", # sp */
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@@ -45,6 +47,9 @@ _DevType={
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}
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_PKT_HEADER_MAGIC_NO = 0x00005566
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_IMG_HEADER_MAGIC_NO = 0xa4e49a17
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def load_flash_info(file_name:str):
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flash_info_list:list[dict]=[]
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with open(file_name,mode='r',encoding='utf-8') as f:
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@@ -64,9 +69,133 @@ def load_flash_info(file_name:str):
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return flash_info_list
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# 查看是不是数据头,不是返回 "",是返回解析值
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def tran_pkg_header(data:bytearray):
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size=len(data)
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ret={}
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if(size>=96):
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# 大写为无符号 B 单字节 H 双字节 I 4字节 L 4字节 Q 8字节
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# f 单精度浮点 d 双精度浮点 s 字符串
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a=struct.unpack('>BBHIIIIIIIIIIIIIIIIIIIIIIHBB',data)
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if(a[5]==_PKT_HEADER_MAGIC_NO):
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ret["enctype"]=str(a[0])
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ret["pattern"]=hex(a[1])
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ret["dev_type"]=hex(a[2])
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ret["file_crc"]=hex(a[3])
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ret["file_len"]=str(a[4])
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ret["magic_no"]=hex(a[5])
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ret["version"]=hex(a[6])
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ret["sp_start"]=hex(a[7])
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ret["sp_len"]=str(a[8])
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ret["sbl_start"]=hex(a[9]) # 32bytes
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ret["sbl_len"]=str(a[10])
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ret["oem_start"]=hex(a[11])
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ret["oem_len"]=str(a[12])
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ret["pib_start"]=hex(a[13])
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ret["pib_len"]=str(a[14])
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ret["fw_start"]=hex(a[15])
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ret["fw_len"]=str(a[16])
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ret["efuse_start"]=hex(a[17]) # 64bytes
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ret["efuse_len"]=str(a[18])
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ret["fw2_start"]=hex(a[19])
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ret["fw2_len"]=str(a[20])
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ret["ref_start"]=hex(a[21])
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ret["ref_len"]=str(a[22])
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ret["cus_start"]=hex(a[23])
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ret["cus_len"]=str(a[24])
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ret["vendor_id"]=hex(a[25])
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ret["img_type"]=hex(a[26])
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ret["img_flag"]=hex(a[27])
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t=str(ret)
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t=t.replace(',','\n')
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# t=json.dumps(ret, sort_keys=True, indent=2, separators=(',', ': '))
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return t
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return ""
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def tran_img_headerv0(data:bytearray):
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size=len(data)
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ret={}
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if(size>=64):
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# 大写为无符号 B 单字节 H 双字节 I 4字节 L 4字节 Q 8字节
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# f 单精度浮点 d 双精度浮点 s 字符串
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a=struct.unpack('>HHIHBBIIIBBBBI',data[0:32])
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if(a[8]==_IMG_HEADER_MAGIC_NO):
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ret["devType"]=hex(a[0])+f"({_DevType[a[0]]})"
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ret["imgType"]=hex(a[1])+f"({_ImgType[a[1]]})"
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ret["imgSize"]=str(a[2])
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ret["imgVer"]=hex(a[3])
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ret["psramSize"]=str(a[4])
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ret["hdrVer"]=hex(a[5])
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ret["fwSize"]=str(a[6])
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ret["imgCRC"]=hex(a[7])
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ret["guard"]=hex(a[8])
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ret["layoutIdx"]=hex(a[9])
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# reserved 3bytes
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ret["fwCRC"]=hex(a[13])
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ret["sha256"]=data[32:].hex()
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t=str(ret)
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t=t.replace(',','\n')
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return t
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return ""
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def tran_img_headerv1(data:bytearray):
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size=len(data)
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ret={}
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if(size>=64):
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# 大写为无符号 B 单字节 H 双字节 I 4字节 L 4字节 Q 8字节
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# f 单精度浮点 d 双精度浮点 s 字符串
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a=struct.unpack('>BBBBIBBBBIIIBBBBI',data[0:32])
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if(a[11]==_IMG_HEADER_MAGIC_NO):
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ret["devType"]=hex(a[0])+f"({_DevType[a[0]]})"
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ret["imgType"]=hex(a[1])+f"({_ImgType[a[1]]})"
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ret["encType"]=hex(a[2])
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ret["cfg"]=hex(a[3])
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ret["imgSize"]=str(a[4])
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ret["zipType"]=hex(a[5])
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ret["flashSize"]=str(a[6])
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ret["psramSize"]=hex(a[7])
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ret["hdrVer"]=hex(a[8])
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ret["imgVer"]=hex(a[9])
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ret["imgCRC"]=hex(a[10])
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ret["guard"]=hex(a[11])
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ret["layoutIdx"]=hex(a[12])
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# reserved 3bytes
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ret["runAddr"]=hex(a[16])
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ret["sha256"]=data[32:].hex()
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t=str(ret)
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t=t.replace(',','\n')
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return t
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return ""
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# 判断是不是pkt_header
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def pkt_header_check(data:bytearray):
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magic=(data[12]<<24)|(data[13]<<16)|(data[14]<<8)|(data[15])
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if (magic==_PKT_HEADER_MAGIC_NO):
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return True
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print(f"magic={hex(magic)}")
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return False
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# 判断是不是img_header
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def img_header_check(data:bytearray):
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if(len(data)<32):
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return ''
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magic=(data[20]<<24)|(data[21]<<16)|(data[22]<<8)|(data[23])
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if (magic==_IMG_HEADER_MAGIC_NO):
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imghdr_v=data[11]
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print(f"magic={hex(magic)}, imghdr_v={imghdr_v}")
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# 返回使用的结构体类型
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if(imghdr_v==0x10):
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return 'V1'
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else:
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return "V0"
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return ""
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def bin_to_hex(bin:bytearray,flash_info:list[dict]=[]):
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all_size=len(bin)
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pack_size=64
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pack_size=32
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turned=0
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turned_old=0
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out_text=''
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@@ -86,6 +215,34 @@ def bin_to_hex(bin:bytearray,flash_info:list[dict]=[]):
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out_text+=f"[{hex(turned_old)}] {data.hex(' ')}\n"
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return out_text
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# 这个是从固件里直接读出数据头
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def bin_to_hex2(bin:bytearray):
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all_size=len(bin)
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pack_size=32
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turned=0
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turned_old=0
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out_text=''
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if(pkt_header_check(bin)):
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out_text+=tran_pkg_header(bin[0:96])+'\n'
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while turned < all_size:
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if(turned+pack_size<=all_size):
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data=bin[turned:turned+pack_size]
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turned_old=turned
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turned+=pack_size
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else:
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data=bin[turned:]
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turned=all_size
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if(all_size-turned_old>=64):
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hdr_data=bin[turned_old:turned_old+64]
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else:
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hdr_data=bytearray()
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hdr_v=img_header_check(hdr_data)
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if(hdr_v=='V0'):
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out_text+=tran_img_headerv0(hdr_data)+'\n'
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elif(hdr_v=='V1'):
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out_text+=tran_img_headerv1(hdr_data)+'\n'
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out_text+=f"[{hex(turned_old)}] {data.hex(' ')}\n"
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return out_text
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@@ -96,11 +253,12 @@ def bin_to_hex_file(bin_file_name:str,hex_file_name:str,info_file_name:str=None)
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info=[]
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else:
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info=load_flash_info(info_file_name)
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text=bin_to_hex(bin,info)
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text=bin_to_hex2(bin)
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with open(hex_file_name,mode='w+',encoding="utf-8") as f:
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f.write(text)
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# bin_to_hex.py input_file output_file
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if __name__ == "__main__":
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bin_to_hex_file(sys.argv[1],sys.argv[2],sys.argv[3])
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# bin_to_hex_file(sys.argv[1],sys.argv[2],sys.argv[3])
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# load_flash_info("work/upload-test.info")
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bin_to_hex_file(sys.argv[1],sys.argv[2])
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