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[Project64] Clean up OpInfo.h

This commit is contained in:
zilmar 2017-09-13 20:17:17 +10:00
parent 5d66d688b3
commit d98eab7dcc
1 changed files with 253 additions and 254 deletions
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507
Source/Project64/N64System/Debugger/OpInfo.h
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@ -18,305 +18,304 @@ class COpInfo
{
public:
OPCODE m_OpCode;
OPCODE m_OpCode;
bool IsStaticJump()
{
// j, jal
bool IsStaticJump()
{
// j, jal
uint32_t op = m_OpCode.op;
uint32_t op = m_OpCode.op;
if (op == R4300i_J || op == R4300i_JAL)
{
return true;
}
if (op == R4300i_J || op == R4300i_JAL)
{
return true;
}
return false;
}
return false;
}
bool IsJump()
{
// j, jal, jr, jalr, exception
bool IsJump()
{
// j, jal, jr, jalr, exception
uint32_t op = m_OpCode.op;
uint32_t op = m_OpCode.op;
if (op == R4300i_J || op == R4300i_JAL)
{
return true;
}
if (op == R4300i_J || op == R4300i_JAL)
{
return true;
}
if (op == R4300i_SPECIAL)
{
uint32_t fn = m_OpCode.funct;
if (op == R4300i_SPECIAL)
{
uint32_t fn = m_OpCode.funct;
if (fn >= R4300i_SPECIAL_JR && fn <= R4300i_SPECIAL_BREAK)
{
return true;
}
}
if (fn >= R4300i_SPECIAL_JR && fn <= R4300i_SPECIAL_BREAK)
{
return true;
}
}
if (op == R4300i_REGIMM)
{
uint32_t rt = m_OpCode.rt;
if (op == R4300i_REGIMM)
{
uint32_t rt = m_OpCode.rt;
if (rt >= R4300i_REGIMM_TGEI && rt <= R4300i_REGIMM_TNEI)
{
return true;
}
}
if (rt >= R4300i_REGIMM_TGEI && rt <= R4300i_REGIMM_TNEI)
{
return true;
}
}
if (op == R4300i_CP0)
{
if ((m_OpCode.rs & 0x10) != 0)
{
uint32_t fn = m_OpCode.funct;
if (fn == R4300i_COP0_CO_ERET)
{
return true;
}
}
}
if (op == R4300i_CP0)
{
if ((m_OpCode.rs & 0x10) != 0)
{
uint32_t fn = m_OpCode.funct;
if (fn == R4300i_COP0_CO_ERET)
{
return true;
}
}
}
return false;
}
return false;
}
bool IsBranch()
{
uint32_t op = m_OpCode.op;
bool IsBranch()
{
uint32_t op = m_OpCode.op;
if (op >= R4300i_BEQ && op <= R4300i_BGTZ)
{
return true;
}
if (op >= R4300i_BEQ && op <= R4300i_BGTZ)
{
return true;
}
if (op >= R4300i_BEQL && op <= R4300i_BGTZL)
{
return true;
}
if (op >= R4300i_BEQL && op <= R4300i_BGTZL)
{
return true;
}
if (op == R4300i_REGIMM)
{
uint32_t rt = m_OpCode.rt;
if (op == R4300i_REGIMM)
{
uint32_t rt = m_OpCode.rt;
if (rt >= R4300i_REGIMM_BLTZ && rt <= R4300i_REGIMM_BGEZL)
{
return true;
}
if (rt >= R4300i_REGIMM_BLTZ && rt <= R4300i_REGIMM_BGEZL)
{
return true;
}
if (rt >= R4300i_REGIMM_BLTZAL && rt <= R4300i_REGIMM_BGEZALL)
{
return true;
}
}
if (rt >= R4300i_REGIMM_BLTZAL && rt <= R4300i_REGIMM_BGEZALL)
{
return true;
}
}
if (op == R4300i_CP1 && m_OpCode.fmt == R4300i_COP1_BC)
{
return true;
}
if (op == R4300i_CP1 && m_OpCode.fmt == R4300i_COP1_BC)
{
return true;
}
return false;
}
bool IsNOP()
{
if (m_OpCode.Hex == 0)
{
return true;
}
return false;
}
return false;
}
bool IsLoadStore()
{
return (m_OpCode.op >= R4300i_LDL && m_OpCode.op <= R4300i_SD && m_OpCode.op != R4300i_CACHE);
}
bool IsNOP()
{
if (m_OpCode.Hex == 0)
{
return true;
}
return false;
}
bool IsStackShift()
{
return (m_OpCode.op == R4300i_ADDIU || m_OpCode.op == R4300i_ADDI) && m_OpCode.rt == 29;
}
bool IsLoadStore()
{
return (m_OpCode.op >= R4300i_LDL && m_OpCode.op <= R4300i_SD && m_OpCode.op != R4300i_CACHE);
}
bool IsStackAlloc()
{
if (!IsStackShift())
{
return false;
}
bool IsStackShift()
{
return (m_OpCode.op == R4300i_ADDIU || m_OpCode.op == R4300i_ADDI) && m_OpCode.rt == 29;
}
return (short)m_OpCode.immediate < 0;
}
bool IsStackAlloc()
{
if (!IsStackShift())
{
return false;
}
bool IsStackFree()
{
if (!IsStackShift())
{
return false;
}
return (short)m_OpCode.immediate < 0;
}
return (short)m_OpCode.immediate > 0;
}
bool IsStackFree()
{
if (!IsStackShift())
{
return false;
}
bool ReadsGPR(int nReg)
{
uint32_t op = m_OpCode.op;
return (short)m_OpCode.immediate > 0;
}
if (op >= R4300i_LDL && op <= R4300i_LWU ||
op >= R4300i_ADDI && op <= R4300i_XORI ||
op == R4300i_LD ||
op == R4300i_BGTZ || op == R4300i_BGTZL ||
op == R4300i_BLEZ || op == R4300i_BLEZL)
{
if (m_OpCode.rs == nReg)
{
return true;
}
}
bool ReadsGPR(int nReg)
{
uint32_t op = m_OpCode.op;
if (op >= R4300i_SB && op <= R4300i_SWR ||
op >= R4300i_SC && op <= R4300i_SD ||
op == R4300i_BEQ || op == R4300i_BEQL ||
op == R4300i_BNE || op == R4300i_BNEL)
{
// stores read value and index
if (m_OpCode.rs == nReg || m_OpCode.rt == nReg)
{
return true;
}
}
if (op >= R4300i_LDL && op <= R4300i_LWU ||
op >= R4300i_ADDI && op <= R4300i_XORI ||
op == R4300i_LD ||
op == R4300i_BGTZ || op == R4300i_BGTZL ||
op == R4300i_BLEZ || op == R4300i_BLEZL)
{
if (m_OpCode.rs == nReg)
{
return true;
}
}
if (op == R4300i_SPECIAL)
{
uint32_t fn = m_OpCode.funct;
if (op >= R4300i_SB && op <= R4300i_SWR ||
op >= R4300i_SC && op <= R4300i_SD ||
op == R4300i_BEQ || op == R4300i_BEQL ||
op == R4300i_BNE || op == R4300i_BNEL)
{
// stores read value and index
if (m_OpCode.rs == nReg || m_OpCode.rt == nReg)
{
return true;
}
}
switch (fn)
{
case R4300i_SPECIAL_MTLO:
case R4300i_SPECIAL_MTHI:
case R4300i_SPECIAL_JR:
case R4300i_SPECIAL_JALR:
if (m_OpCode.rs == nReg)
{
return true;
}
break;
case R4300i_SPECIAL_SLL:
case R4300i_SPECIAL_SRL:
case R4300i_SPECIAL_SRA:
if (m_OpCode.rt == nReg)
{
return true;
}
break;
}
if (op == R4300i_SPECIAL)
{
uint32_t fn = m_OpCode.funct;
if (fn >= R4300i_SPECIAL_SLLV && fn <= R4300i_SPECIAL_SRAV ||
fn >= R4300i_SPECIAL_DSLLV && fn <= R4300i_SPECIAL_DSRAV ||
fn >= R4300i_SPECIAL_DIVU && fn <= R4300i_SPECIAL_DSUBU)
{
// two register operands
if (m_OpCode.rt == nReg || m_OpCode.rs == nReg)
{
return true;
}
}
}
switch (fn)
{
case R4300i_SPECIAL_MTLO:
case R4300i_SPECIAL_MTHI:
case R4300i_SPECIAL_JR:
case R4300i_SPECIAL_JALR:
if (m_OpCode.rs == nReg)
{
return true;
}
break;
case R4300i_SPECIAL_SLL:
case R4300i_SPECIAL_SRL:
case R4300i_SPECIAL_SRA:
if (m_OpCode.rt == nReg)
{
return true;
}
break;
}
return false;
}
if (fn >= R4300i_SPECIAL_SLLV && fn <= R4300i_SPECIAL_SRAV ||
fn >= R4300i_SPECIAL_DSLLV && fn <= R4300i_SPECIAL_DSRAV ||
fn >= R4300i_SPECIAL_DIVU && fn <= R4300i_SPECIAL_DSUBU)
{
// two register operands
if (m_OpCode.rt == nReg || m_OpCode.rs == nReg)
{
return true;
}
}
}
bool WritesGPR(int nReg)
{
uint32_t op = m_OpCode.op;
return false;
}
if (op >= R4300i_LDL && op <= R4300i_LWU ||
op >= R4300i_ADDI && op <= R4300i_XORI ||
op == R4300i_LUI || op == R4300i_LD)
{
// loads write value
if (m_OpCode.rt == nReg)
{
return true;
}
}
bool WritesGPR(int nReg)
{
uint32_t op = m_OpCode.op;
if (op == R4300i_JAL)
{
if (nReg == 31) // RA
{
return true;
}
}
if (op >= R4300i_LDL && op <= R4300i_LWU ||
op >= R4300i_ADDI && op <= R4300i_XORI ||
op == R4300i_LUI || op == R4300i_LD)
{
// loads write value
if (m_OpCode.rt == nReg)
{
return true;
}
}
if (op == R4300i_SPECIAL)
{
uint32_t fn = m_OpCode.funct;
if (op == R4300i_JAL)
{
if (nReg == 31) // RA
{
return true;
}
}
switch (fn)
{
case R4300i_SPECIAL_MFLO:
case R4300i_SPECIAL_MFHI:
case R4300i_SPECIAL_SLL:
case R4300i_SPECIAL_SRL:
case R4300i_SPECIAL_SRA:
if (m_OpCode.rd == nReg)
{
return true;
}
break;
}
if (op == R4300i_SPECIAL)
{
uint32_t fn = m_OpCode.funct;
if (fn >= R4300i_SPECIAL_SLLV && fn <= R4300i_SPECIAL_SRAV ||
fn >= R4300i_SPECIAL_DSLLV && fn <= R4300i_SPECIAL_DSRAV ||
fn >= R4300i_SPECIAL_DIVU && fn <= R4300i_SPECIAL_DSUBU ||
fn == R4300i_SPECIAL_JALR)
{
// result register
if (m_OpCode.rd == nReg)
{
return true;
}
}
}
switch (fn)
{
case R4300i_SPECIAL_MFLO:
case R4300i_SPECIAL_MFHI:
case R4300i_SPECIAL_SLL:
case R4300i_SPECIAL_SRL:
case R4300i_SPECIAL_SRA:
if (m_OpCode.rd == nReg)
{
return true;
}
break;
}
return false;
}
if (fn >= R4300i_SPECIAL_SLLV && fn <= R4300i_SPECIAL_SRAV ||
fn >= R4300i_SPECIAL_DSLLV && fn <= R4300i_SPECIAL_DSRAV ||
fn >= R4300i_SPECIAL_DIVU && fn <= R4300i_SPECIAL_DSUBU ||
fn == R4300i_SPECIAL_JALR)
{
// result register
if (m_OpCode.rd == nReg)
{
return true;
}
}
}
bool ReadsLO()
{
if (m_OpCode.op == R4300i_SPECIAL && m_OpCode.funct == R4300i_SPECIAL_MFLO)
{
return true;
}
return false;
}
return false;
}
bool WritesLO()
{
if (m_OpCode.op == R4300i_SPECIAL && m_OpCode.funct == R4300i_SPECIAL_MTLO)
{
return true;
}
return false;
}
bool ReadsLO()
{
if (m_OpCode.op == R4300i_SPECIAL && m_OpCode.funct == R4300i_SPECIAL_MFLO)
{
return true;
}
return false;
}
// todo add mult, div etc
bool WritesLO()
{
if (m_OpCode.op == R4300i_SPECIAL && m_OpCode.funct == R4300i_SPECIAL_MTLO)
{
return true;
}
return false;
}
bool ReadsHI()
{
if (m_OpCode.op == R4300i_SPECIAL && m_OpCode.funct == R4300i_SPECIAL_MFHI)
{
return true;
}
return false;
}
// todo add mult, div etc
bool WritesHI()
{
if (m_OpCode.op == R4300i_SPECIAL && m_OpCode.funct == R4300i_SPECIAL_MTHI)
{
return true;
}
return false;
}
bool ReadsHI()
{
if (m_OpCode.op == R4300i_SPECIAL && m_OpCode.funct == R4300i_SPECIAL_MFHI)
{
return true;
}
return false;
}
bool WritesHI()
{
if (m_OpCode.op == R4300i_SPECIAL && m_OpCode.funct == R4300i_SPECIAL_MTHI)
{
return true;
}
return false;
}
};