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87 lines
2.2 KiB
Python
Executable File
87 lines
2.2 KiB
Python
Executable File
#!/usr/bin/env python3
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#############################################################################
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# trace2trace <inputfile> <outputfile>
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#
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# Converts a simulation trace file to the epiphany trace format
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#
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# Simulators supported: ovpsim, spike
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#
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#############################################################################
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import re
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import sys
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#Input Arguments
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with open(sys.argv[1], 'r') as f:
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file_content = f.read()
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fileout=open(sys.argv[2],"w")
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#Reading input file into buffer
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list=file_content.split('\'riscvOVPsim/cpu\'')
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#ABI dictionary
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regs={
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"zero":"r0",
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"ra":"r1",
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"sp":"r2",
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"gp":"r3",
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"tp":"r4",
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"t0":"r5",
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"t1":"r6",
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"t2":"r7",
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"s0":"r8",
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"s1":"r9",
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"a0":"r10",
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"a1":"r11",
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"a2":"r12",
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"a3":"r13",
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"a4":"r14",
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"a5":"r15",
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"a6":"r16",
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"a7":"r17",
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"s2":"r18",
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"s3":"r19",
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"s4":"r20",
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"s5":"r21",
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"s6":"r22",
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"s7":"r23",
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"s8":"r24",
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"s9":"r25",
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"s10":"r26",
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"s11":"r27",
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"t3":"r28",
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"t4":"r29",
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"t5":"r30",
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"t6":"r31",
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"mtvec":"mtvec",
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"pmpaddr0":"pmpaddr0",
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"pmpcfg0":"pmpcfg0",
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"mstatus":"mstatus",
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"mepc":"mepc",
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"mcause":"mcause",
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}
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#Format Trace
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for i in list:
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instr=i.replace('\n',' ') #replace all newlines in middle of strings
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instr=instr.replace('Info','') #remove info
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instr=re.sub('\(SIGNATURE_DUMP.*','',instr) #remove crud from end of file
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if(re.search('^\,',instr)) : #filter out more crud
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fields=instr.split() #split into fields
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pc=re.sub('\(.*','',fields[1])
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pc=re.sub('0x','',pc) #removing hex prefix
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opcode=fields[2]
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name=fields[3].rjust(8)
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if(re.search('\-\>',instr)) :
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#print("XXX" + instr)
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reg=fields[-4]
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reg=regs[reg]
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val=fields[-1]
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if(re.search('^r',reg)) :
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update=reg + "=" + val.zfill(16); #don't update csrs for now
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else :
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update=""
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fileout.write("TRACE: cpu_0.trace PC=" + pc + " I=" + name + " F=-------- " + update + "\n")
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fileout.close()
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