79 lines
2.1 KiB
Python
79 lines
2.1 KiB
Python
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#!/usr/bin/env python3
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import sys,os
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sf = sys.argv[1]
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tf = os.path.splitext(sf)[0] + ".mmap"
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hf = os.path.splitext(sf)[0] + ".mh"
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with open(sf) as f:
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code = [ x[:-1] for x in f.readlines()]
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obj = []
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endian='little'
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bits=32
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for line in code:
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data = b''
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a = line.split(' ')
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if a[0] == "DEVICETYPE":
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data+=b'\x00'
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data+=b'\x01'
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devicetypes={"PC":b'\x00', "CONSOLE":b'\x01', "EMBEDDED":b'\x02'}
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data+=devicetypes[a[1]]
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elif a[0] == "DEVICENAME":
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data+=b'\x01'
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data+=len(a[1]).to_bytes(1,'little')
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data+=a[1].encode("UTF-8")
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elif a[0] == "CPUARCH":
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data+=b'\x02'
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data+=b'\x01'
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archs = {"X86":b'\x00', "X86_64":b'\x01', "ARM":b'\x02'}
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data+=archs[a[1]]
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elif a[0] == "ENDIAN":
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data+=b'\x03'
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data+=b'\x01'
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if a[1] == "BIG":
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data+=b'\x00'
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endian='big'
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else:
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data+=b'\x01'
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endian="little"
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elif a[0] == "BITS":
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data+=b'\x04'
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data+=b'\x01'
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if a[1] == "32":
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data+=b'\x20'
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bits=32
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else:
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data+=b'\x40'
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bits=64
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elif a[0] == "REGION":
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data+=b'\x05'
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data+=(bits//4+1).to_bytes(1,endian)
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data+=int(a[1],16).to_bytes(bits//8,endian)
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data+=int(a[2],16).to_bytes(bits//8,endian)
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perms={
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"NONE": 0,
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"X": 1,
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"W": 2,
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"WX": 3,
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"R": 4,
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"RX": 5,
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"RW": 6,
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"RWX": 7
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}
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data+=perms[a[3]].to_bytes(1,endian)
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elif a[0] == "":
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continue
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else:
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raise ValueError("Unknown command '"+a[0]+"'")
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obj.append(data)
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mmdata = b'MMAP' + bytes(4) + len(obj).to_bytes(4,'little')
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for o in obj:
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mmdata += o
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with open(tf,"wb") as f:
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f.write(mmdata)
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with open(hf, "w") as f:
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f.write("#pragma once\n")
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f.write("#include <stdint.h>\n")
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f.write("uint8_t mmap[] = {\n")
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for b in mmdata:
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f.write(hex(b)+", ")
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f.write("\n};\n")
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