57 lines
1.9 KiB
Python
57 lines
1.9 KiB
Python
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#!/usr/bin/python3
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import os
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import sys
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import traceback
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import re
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def search_custom_inst(logfile, opcode, funct, xd = 0, xs1 = 0, xs2 = 0, xd_filter = 0, xs1_filter = 0, xs2_filter = 0):
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lines = logfile.readlines()
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funct3 = 0
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if xd != 0:
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funct3 = funct3 | 0x4
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if xs1 != 0:
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funct3 = funct3 | 0x2
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if xs2 != 0:
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funct3 = funct3 | 0x1
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for line in lines:
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inst = re.findall(r"inst=\[[\da-fA-F]{8}\]", line)
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wreg = re.findall(r"W\[r[\ \d]{2}=[\da-fA-F]{8}\]", line)
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rreg = re.findall(r"R\[r[\ \d]{2}=[\da-fA-F]{8}\]", line)
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if len(inst) > 0:
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inst = int('0x' + inst[0][6:-1], 16)
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wreg_val = int('0x' + wreg[0][6:-1], 16)
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rreg1_val = int('0x' + rreg[0][6:-1], 16)
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rreg2_val = int('0x' + rreg[1][6:-1], 16)
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ins_opcode = inst & 0x7f
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#只对R系列的custom0进行解码
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if opcode == ins_opcode:
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ins_funct = (inst >> 25) & 0x7f
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ins_funct3 = (inst >> 12) & 0x7
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if (ins_funct == funct) and (funct3 == ins_funct3):
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outline = line.rstrip()
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if (xs1 != 0) and ((rreg1_val & xs1_filter) != 0):
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print(outline)
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if (xd != 0) and ((wreg_val & xd_filter) != 0):
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print(outline)
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if (xs2 != 0) and ((rreg2_val & xs2_filter) != 0):
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print(outline)
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else:
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pass
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if __name__ == '__main__':
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path = sys.argv[0]
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path = path.split('/')[0:-1]
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path = '/'.join(path)
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logfile_path = path + '/../build/cpu1_log.txt'
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if len(sys.argv) > 1:
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logfile_path = sys.argv[1]
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print(logfile_path)
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with open(logfile_path, 'rt') as logfile:
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search_custom_inst(logfile, 0xb, 0x17, xs1=1, xs1_filter=(1<<7))
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logfile.close()
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