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import mmap
import os
import struct
MAP_MASK = mmap.PAGESIZE - 1
WORD = 4
def read(addr):
""" Read from any location in memory
Returns the readed value in hexadecimal format
Keyword arguments:
- addr: The memory address to be readed.
"""
fd = os.open("/dev/mem", os.O_RDWR | os.O_SYNC)
# Map one page
mm = mmap.mmap(fd, mmap.PAGESIZE, mmap.MAP_SHARED, mmap.PROT_WRITE | mmap.PROT_READ, offset=addr & ~MAP_MASK)
mm.seek(addr & MAP_MASK)
retval = struct.unpack('I', mm.read(WORD))
mm.close()
os.close(fd)
return "%08X" % retval[0]
def getRegisters(model):
if model.find("IGEP0046") == 0:
registers = [0x021BC420, 0x021BC410]
elif model.find("IGEP0000") == 0:
registers = [0x021BC420, 0x021BC410]
elif model.find("IGEP0034") == 0 or model.find("SOPA0000") == 0:
registers = [0x44e10630, 0x44e10634, 0x44e10638, 0x44e1063C]
elif model.find("OMAP3") == 0:
registers = [0x4830A224, 0x4830A220, 0x4830A21C, 0x4830A218]
elif model.find("OMAP5") == 0:
registers = [0x4A002210, 0x4A00220C, 0x4A002208, 0x4A002200]
return registers
def genDieid(modelid):
registers=getRegisters(modelid)
id=""
for i in range(len(registers)):
id=id+(read(registers[i]))
return id
#if __name__ == "__main__":
#registers = [0x021BC420, 0x021BC410]
#print(main(registers))
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