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113 lines
2.9 KiB
Python
Executable File
113 lines
2.9 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 simulator trace file to the epiphany trace format
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#
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# Formats: spike, cgen
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#
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#############################################################################
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import re
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import sys
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simulator="spike"
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offset=0xffffffff00000000
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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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#RISC-V 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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#Reading input file into buffer
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if(simulator=="spike") :
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trap=0
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list=file_content.split('core 0: ') #split based on core 0
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for i in list:
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i=re.sub(r'\n', ' ', i) #combine lines
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i=re.sub(r'x (\d{1})',r'x\1', i) #fix brain dead spike print for regs
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i=re.sub(r'^0x0000000000001(.*)',r'', i) #remove spike boot rom
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if(bool(re.search('trap_user_ecall',i))):#filter out everything after ecall
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trap=1
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#filter empty instructions
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if((bool(re.search('0x',i))) & (trap==0)):
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fields=i.split()
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pc=int(fields[0],16)
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opcode=fields[1]
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asm=fields[2]
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#for j in fields:
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# print (j)
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if(re.search('0x',fields[-2])):
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memaddr="--"
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memdata="--"
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reg="--"
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regdata="--"
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elif(re.search('mem',i)):
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memaddr=fields[-2]
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memdata=fields[-1]
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reg="--"
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regdata="--"
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else:
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reg="x{0:02}".format(int(re.sub(r'x',r'', fields[-2])))
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regdata=fields[-1]
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memaddr="--"
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memdata="--"
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#Remove offsets
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if(pc>=offset):
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pc=pc-offset
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#List of entires
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flist=["0x{0:08x}".format(pc),
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opcode,
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"{:<8}".format(asm),
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"{:<3}".format(reg),
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"{:<10}".format(regdata),
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"{:<10}".format(memaddr),
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"{:<10}".format(memdata)]
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outputstring=' , '.join(flist)
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fileout.write(outputstring + "\n")
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fileout.close()
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