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45 lines
1.2 KiB
Python
Executable File
45 lines
1.2 KiB
Python
Executable File
#!/usr/bin/python
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# coding=utf8
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# Added by Peter Mackay, relating to issue 571
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# "ARM NEON/VFP support seems to exist but is disabled by default"
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# https://github.com/unicorn-engine/unicorn/issues/571
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from unicorn import *
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from unicorn.arm_const import *
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import regress
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class FpVfpDisabled(regress.RegressTest):
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def runTest(self):
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# MRC p15, #0, r1, c1, c0, #2
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# ORR r1, r1, #(0xf << 20)
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# MCR p15, #0, r1, c1, c0, #2
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# MOV r1, #0
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# MCR p15, #0, r1, c7, c5, #4
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# MOV r0,#0x40000000
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# FMXR FPEXC, r0
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code = '11EE501F'
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code += '41F47001'
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code += '01EE501F'
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code += '4FF00001'
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code += '07EE951F'
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code += '4FF08040'
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code += 'E8EE100A'
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# vpush {d8}
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code += '2ded028b'
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address = 0x1000
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mem_size = 0x1000
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code_bytes = code.decode('hex')
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uc = Uc(UC_ARCH_ARM, UC_MODE_THUMB)
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uc.mem_map(address, mem_size)
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uc.mem_write(address, code_bytes)
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uc.reg_write(UC_ARM_REG_SP, address + mem_size)
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uc.emu_start(address + 1, address + len(code_bytes))
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if __name__ == '__main__':
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regress.main()
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