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import pic24
import pic18
import pic16
import sys
arch = "pic18"
hexfile = '../pk2cmd/pk2cmd/PK2V023200.hex'
if len(sys.argv) > 1:
hexfile = sys.argv[1]
if len(sys.argv) > 2:
arch = sys.argv[2]
if arch == "pic24":
arch = pic24
elif arch == "pic18":
arch = pic18
elif arch == "pic16":
arch = pic16
else:
raise Exception("Invalid arch " + arch)
lines = open(hexfile).readlines()
def read_hex(lines):
regions = { 0: [0] * 0x10000 }
curr_region = regions[0]
for line in lines:
if not line.startswith(':'):
continue
# raise Exception("invalid hex line, needs to start with a ':', but was: " + line)
bytecount = int(line[1:3], 16)
addr = int(line[3:7], 16)
rec_type = int(line[7:9], 16)
data_end = bytecount * 2 + 9
data = line[9:data_end]
# ignoring checksum because lazy
if rec_type == 4:
ext_linear_addr = int(data, 16)
if ext_linear_addr not in regions:
regions[ext_linear_addr] = [0] * 0x10000
curr_region = regions[ext_linear_addr]
elif rec_type == 0:
for i in range(bytecount):
curr_region[addr + i] = int(data[i*2:i*2 + 2], 16)
elif rec_type == 1:
print("Read HEX file")
return regions
else:
raise Exception("Unsupported record type: " + str(rec_type))
memory_regions = read_hex(lines)
i = 0
coderegion = memory_regions[0]
while i < len(coderegion):
(i, instr) = arch.disassemble(coderegion, i)
if "Unknown instr" in instr:
print(instr)
elif 'op' not in instr:
print(instr['mnemonic'])
else:
print("{} {}".format(instr['mnemonic'], instr['op']))
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