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46 lines
1.1 KiB
Python
46 lines
1.1 KiB
Python
from riscemu import *
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if __name__ == '__main__':
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example_progr = """
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.data 0x200
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fibs: .space 56
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.text
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main:
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addi s1, zero, 0 # storage index
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addi s2, zero, 56 # last storage index
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addi t0, zero, 1 # t0 = F_{i}
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addi t1, zero, 1 # t1 = F_{i+1}
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loop:
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sw t0, fibs(s1) # save
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add t2, t1, t0 # t2 = F_{i+2}
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addi t0, t1, 0 # t0 = t1
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addi t1, t2, 0 # t1 = t2
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addi s1, s1, 4 # increment storage pointer
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blt s1, s2, loop # loop as long as we did not reach array length
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# exit gracefully
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addi a0, zero, 0
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addi a7, zero, 93
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ebreak # launch debugger
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scall # exit with code 0
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"""
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tk = RiscVTokenizer(RiscVInput(example_progr))
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tk.tokenize()
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print("tokens:")
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for token in tk.tokens:
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print(token)
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ep = ExecutableParser(tk)
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ep.parse()
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exe = ep.get_execuable()
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cpu = CPU(RunConfig())
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le = cpu.load(exe)
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cpu.run_loaded(le)
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