static string RII(UInt64 instr)
{
string str;
Int128 rii = new Int128();
rii.digits[0] = (instr >> 16) & 0x7fffL;
rii.digits[0] |= ((instr >> 33) & 0x7fL) << 15;
rii.digits[1] = 0;
rii.digits[2] = 0;
rii.digits[3] = 0;
if ((rii.digits[0] & 0x200000L) != 0)
{
rii.digits[0] |= 0xffC00000L;
rii.digits[1] = 0xffffffffL;
rii.digits[2] = 0xffffffffL;
rii.digits[3] = 0xffffffffL;
}
str = rii.ToString80();
return(str);
}
public static string Disassemble(nvioCpu.e_unitTypes unit, Int64 instr, Int128 ip)
{
string str;
UInt16 op4;
UInt16 op6;
UInt16 func5;
Int16 Rd;
Int16 Rs1;
Int16 Rs2;
Int16 Rs3;
op4 = (UInt16)((instr >> 6) & 15L);
func5 = (UInt16)((instr >> 35) & 31L);
Rd = (Int16)(instr & 63);
Rs1 = (Int16)((instr >> 10) & 63);
Rs2 = (Int16)((instr >> 16) & 63);
Rs3 = (Int16)((instr >> 22) & 63);
str = "";
str = ip.ToString80().Substring(14, 6) + " ";
switch (unit)
{
case nvioCpu.e_unitTypes.B:
switch ((nvioCpu.e_bunit)op4)
{
case nvioCpu.e_bunit.CALL:
str = str + "CALL ";
str = str + CallTgt(instr);
break;
case nvioCpu.e_bunit.RET:
str = str + "RET";
break;
case nvioCpu.e_bunit.JMP:
str = str + "JMP";
str = str + CallTgt(instr);
break;
case nvioCpu.e_bunit.Bcc:
switch ((nvioCpu.e_bcond)(instr & 7))
{
case nvioCpu.e_bcond.BEQ:
str = str + "BEQ ";
str = str + Regstr(Rs1) + "," + Regstr(Rs2) + "," + BranchTgt(instr, ip);
break;
case nvioCpu.e_bcond.BNE:
str = str + "BNE ";
str = str + Regstr(Rs1) + "," + Regstr(Rs2) + "," + BranchTgt(instr, ip);
break;
case nvioCpu.e_bcond.BLT:
str = str + "BLT ";
str = str + Regstr(Rs1) + "," + Regstr(Rs2) + "," + BranchTgt(instr, ip);
break;
default:
str = str + "B?? ";
str = str + Regstr(Rs1) + "," + Regstr(Rs2) + "," + BranchTgt(instr, ip);
break;
}
break;
}
break;
case nvioCpu.e_unitTypes.I:
op6 = (UInt16)(((instr >> 6) & 15L) | (((instr >> 31) & 3L) << 4));
switch ((nvioCpu.e_iunit)op6)
{
case nvioCpu.e_iunit.R3E:
return(nvioCpu.DisProcessR3((UInt64)instr, Rd, Rs1, Rs2, Rs3));
case nvioCpu.e_iunit.ADDI:
str = str + "ADD ";
str = str + Regstr(Rd) + "," + Regstr(Rs1) + "," + RII((UInt64)instr);
break;
}
break;
case nvioCpu.e_unitTypes.M:
break;
}
return(str);
}
