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# @Time : 2020/12/31
# @Author : David Dai
# @File : mkimage.py
#!/usr/bin/python2
import os
import argparse
import struct
parser = argparse.ArgumentParser()
parser.add_argument('-t', '--type')
parser.add_argument('-b', '--bin')
parser.add_argument('-o', '--out', default = "load.bin")
parser.add_argument('-g', '--img', default = "load.img")
parser.add_argument('-a', '--addr', default = "0x00000000")
parser.add_argument('-e', '--ep', default = "0x00000000")
args = parser.parse_args()
args.addr = int(args.addr, 16)
args.ep = int(args.ep, 16)
def stm32image():
checksum = 0
with open(args.out, 'wb') as f:
#write head 'STM32'
f.write(struct.pack('<B', 0x53))
f.write(struct.pack('<B', 0x54))
f.write(struct.pack('<B', 0x4D))
f.write(struct.pack('<B', 0x32))
for i in range(16):
f.write(struct.pack('<I', 0x00000000))
#write checksum
with open(args.bin, 'rb') as b:
while(True):
raw = b.read(1)
if len(raw) == 0:
b.close()
break
else:
checksum = checksum + ord(raw)
checksum = checksum & 0xffffffff
f.write(struct.pack('<I', checksum))
f.write(struct.pack('<I', 0x00010000))
#write size
f.write(struct.pack('<I', os.path.getsize(args.bin)))
#write entry point
f.write(struct.pack('<I', args.ep))
f.write(struct.pack('<I', 0x00000000))
#write image load
f.write(struct.pack('<I', args.addr))
f.write(struct.pack('<I', 0x00000000))
f.write(struct.pack('<I', 0x00000000))
f.write(struct.pack('<I', 0x00000001))
f.write(struct.pack('<I', 0x00000001))
for i in range(37):
f.write(struct.pack('<I', 0x00000000))
#write bin data
with open(args.bin, 'rb') as b:
while(True):
raw = b.read(1024)
if len(raw) == 0:
b.close()
break
else:
f.write(raw)
f.close()
print('Image Type : STMicroelectronics STM32 Image')
print('Bin File : %s' % args.bin)
print('Out File : %s' % args.out)
print('Image Size : %d bytes' % os.path.getsize(args.bin))
print('Image Load : 0x%x' % args.addr)
print('Entry Point : 0x%x' % args.ep)
print('Checksum : 0x%x' % checksum)
def imx6ullimage():
dcdConfig = [
['0x020c4068', '0xffffffff'],
['0x020c406c', '0xffffffff'],
['0x020c4070', '0xffffffff'],
['0x020c4074', '0xffffffff'],
['0x020c4078', '0xffffffff'],
['0x020c407c', '0xffffffff'],
['0x020c4080', '0xffffffff'],
['0x020E04B4', '0x000C0000'],
['0x020E04AC', '0x00000000'],
['0x020E027C', '0x00000030'],
['0x020E0250', '0x00000030'],
['0x020E024C', '0x00000030'],
['0x020E0490', '0x00000030'],
['0x020E0288', '0x000C0030'],
['0x020E0270', '0x00000000'],
['0x020E0260', '0x00000030'],
['0x020E0264', '0x00000030'],
['0x020E04A0', '0x00000030'],
['0x020E0494', '0x00020000'],
['0x020E0280', '0x00000030'],
['0x020E0284', '0x00000030'],
['0x020E04B0', '0x00020000'],
['0x020E0498', '0x00000030'],
['0x020E04A4', '0x00000030'],
['0x020E0244', '0x00000030'],
['0x020E0248', '0x00000030'],
['0x021B001C', '0x00008000'],
['0x021B0800', '0xA1390003'],
['0x021B080C', '0x00000004'],
['0x021B083C', '0x41640158'],
['0x021B0848', '0x40403237'],
['0x021B0850', '0x40403C33'],
['0x021B081C', '0x33333333'],
['0x021B0820', '0x33333333'],
['0x021B082C', '0xf3333333'],
['0x021B0830', '0xf3333333'],
['0x021B08C0', '0x00944009'],
['0x021B08b8', '0x00000800'],
['0x021B0004', '0x0002002D'],
['0x021B0008', '0x1B333030'],
['0x021B000C', '0x676B52F3'],
['0x021B0010', '0xB66D0B63'],
['0x021B0014', '0x01FF00DB'],
['0x021B0018', '0x00201740'],
['0x021B001C', '0x00008000'],
['0x021B002C', '0x000026D2'],
['0x021B0030', '0x006B1023'],
['0x021B0040', '0x0000004F'],
['0x021B0000', '0x84180000'],
['0x021B0890', '0x00400000'],
['0x021B001C', '0x02008032'],
['0x021B001C', '0x00008033'],
['0x021B001C', '0x00048031'],
['0x021B001C', '0x15208030'],
['0x021B001C', '0x04008040'],
['0x021B0020', '0x00000800'],
['0x021B0818', '0x00000227'],
['0x021B0004', '0x0002552D'],
['0x021B0404', '0x00011006'],
['0x021B001C', '0x00000000']
]
with open(args.out, 'wb') as f:
#write ivt
f.write(struct.pack('<B', 0xD1))
f.write(struct.pack('>H', 32))
f.write(struct.pack('<B', 0x40))
f.write(struct.pack('<I', args.addr))
f.write(struct.pack('<I', 0x00000000))
f.write(struct.pack('<I', args.addr - ((len(dcdConfig) + 318) << 3) - 4))
f.write(struct.pack('<I', args.addr - ((len(dcdConfig) + 318) << 3) - 16))
f.write(struct.pack('<I', args.addr - ((len(dcdConfig) + 318) << 3) - 48))
f.write(struct.pack('<I', 0x00000000))
f.write(struct.pack('<I', 0x00000000))
#write boot data
f.write(struct.pack('<I', args.addr - ((len(dcdConfig) + 318) << 3) - 1072))
f.write(struct.pack('<I', ((os.path.getsize(args.bin) + 0x1000 - 1) & ~(0x1000 - 1)) + 4096))
f.write(struct.pack('<I', 0x00000000))
#write DCD
#dcd header
f.write(struct.pack('<B', 0xD2))
f.write(struct.pack('>H', (len(dcdConfig) << 3) + 8))
f.write(struct.pack('<B', 0x40))
#dcd wrute header
f.write(struct.pack('<B', 0xCC))
f.write(struct.pack('>H', (len(dcdConfig) << 3) + 4))
f.write(struct.pack('<B', 0x04))
#dcd wrute data
for d in dcdConfig:
f.write(struct.pack('>I', int(d[0], 16)))
f.write(struct.pack('>I', int(d[1], 16)))
#padding data
for i in range(0x27B):
f.write(struct.pack('<I', 0x00000000))
#write bin data
with open(args.bin, 'rb') as b:
while(True):
raw = b.read(1024)
if len(raw) == 0:
b.close()
break
else:
f.write(raw)
#padding data
for i in range(((os.path.getsize(args.bin) + 0x1000 - 1) & ~(0x1000 - 1)) - os.path.getsize(args.bin)):
f.write(struct.pack('<B', 0x00))
f.close()
#build img file
with open(args.img, 'wb') as g:
#Header write 1K data
for i in range(0x100):
g.write(struct.pack('<I', 0x00000000))
#write imx data
with open(args.out, 'rb') as f:
while(True):
raw = f.read(1024)
if len(raw) == 0:
f.close()
break
else:
g.write(raw)
g.close()
print('Image Type : Freescale i.MX Boot Image')
print('Bin File : %s' % args.bin)
print('IMX File : %s' % args.out)
print('IMG File : %s' % args.img)
print('Image Size : %d bytes' % os.path.getsize(args.bin))
print('Image Load : 0x%x' % args.addr)
if __name__ == '__main__':
if args.bin is not None and args.type is not None:
if not os.path.exists(args.bin):
print('Bin File : %s is not exist' % args.bin)
exit()
if args.type == 'stm32image':
stm32image()
elif args.type == "imximage":
imx6ullimage()
else:
print('%s type image no found!' % args.type)
else:
print('Help : mkimage.py -b [name.bin] -t [stm32image|imx6ullimage]')
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