58 lines
1.7 KiB
Python
Executable File
58 lines
1.7 KiB
Python
Executable File
#!/usr/bin/env python
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'''
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Created for Unicorn Engine by Eric Poole <eric.poole@aptiv.com>, 2022
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Copyright 2022 Aptiv
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'''
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from __future__ import print_function
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from unicorn import *
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from unicorn.tricore_const import *
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# code to be emulated
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TRICORE_CODE = b"\x82\x11\xbb\x00\x00\x08" # mov d0, #0x1; mov.u d0, #0x8000
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# memory address where emulation starts
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ADDRESS = 0x10000
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# callback for tracing basic blocks
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def hook_block(uc, address, size, user_data):
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print(">>> Tracing basic block at 0x%x, block size = 0x%x" %(address, size))
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# callback for tracing instructions
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def hook_code(uc, address, size, user_data):
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print(">>> Tracing instruction at 0x%x, instruction size = 0x%x" %(address, size))
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# Test TriCore
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def test_tricore():
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print("Emulate TriCore code")
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try:
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# Initialize emulator in TriCore mode
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mu = Uc(UC_ARCH_TRICORE, UC_MODE_LITTLE_ENDIAN)
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# map 2MB memory for this emulation
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mu.mem_map(ADDRESS, 2 * 1024 * 1024)
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# write machine code to be emulated to memory
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mu.mem_write(ADDRESS, TRICORE_CODE)
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# tracing all basic blocks with customized callback
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mu.hook_add(UC_HOOK_BLOCK, hook_block)
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# tracing one instruction at ADDRESS with customized callback
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mu.hook_add(UC_HOOK_CODE, hook_code)
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# emulate machine code in infinite time
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mu.emu_start(ADDRESS, ADDRESS + len(TRICORE_CODE))
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# now print out some registers
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print(">>> Emulation done. Below is the CPU context")
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r0 = mu.reg_read(UC_TRICORE_REG_D0)
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print(">>> D0 = 0x%x" %r0)
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except UcError as e:
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print("ERROR: %s" % e)
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if __name__ == '__main__':
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test_tricore()
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