diff options
Diffstat (limited to 'src/armv8')
| -rw-r--r-- | src/armv8/a64.rs | 87 |
1 files changed, 43 insertions, 44 deletions
diff --git a/src/armv8/a64.rs b/src/armv8/a64.rs index 7fc1609..a1f977f 100644 --- a/src/armv8/a64.rs +++ b/src/armv8/a64.rs @@ -578,32 +578,35 @@ impl Display for Instruction { ops.op2(), ); } - Opcode::HINT(v) => { - match v { - 0 => { write!(fmt, "nop")?; }, - 1 => { write!(fmt, "yield")?; }, - 2 => { write!(fmt, "wfe")?; }, - 3 => { write!(fmt, "wfi")?; }, - 4 => { write!(fmt, "sev")?; }, - 5 => { write!(fmt, "sevl")?; }, - 7 => { write!(fmt, "xpaclri")?; }, - 8 => { write!(fmt, "pacia1716")?; }, - 10 => { write!(fmt, "pacib1716")?; }, - 12 => { write!(fmt, "autia1716")?; }, - 14 => { write!(fmt, "autib1716")?; }, - 16 => { write!(fmt, "esb")?; }, - 17 => { write!(fmt, "psb csync")?; }, - 18 => { write!(fmt, "tsb csync")?; }, - 20 => { write!(fmt, "csdb")?; }, - 24 => { write!(fmt, "paciaz")?; }, - 25 => { write!(fmt, "paciasp")?; }, - 26 => { write!(fmt, "pacibz")?; }, - 27 => { write!(fmt, "pacibsp")?; }, - 28 => { write!(fmt, "autiaz")?; }, - 29 => { write!(fmt, "autiasp")?; }, - 30 => { write!(fmt, "autibz")?; }, - 31 => { write!(fmt, "autibsp")?; }, - _ => { write!(fmt, "hint #{:#x}", v)?; } + Opcode::HINT => { + if let (Operand::ControlReg(CRn), Operand::Immediate(op2)) = (self.operands[0], self.operands[1]) { + let hint_num = (CRn << 3) | op2 as u16; + return match hint_num { + 0 => { write!(fmt, "nop") }, + 1 => { write!(fmt, "yield") }, + 2 => { write!(fmt, "wfe") }, + 3 => { write!(fmt, "wfi") }, + 4 => { write!(fmt, "sev") }, + 5 => { write!(fmt, "sevl") }, + 7 => { write!(fmt, "xpaclri") }, + 8 => { write!(fmt, "pacia1716") }, + 10 => { write!(fmt, "pacib1716") }, + 12 => { write!(fmt, "autia1716") }, + 14 => { write!(fmt, "autib1716") }, + 16 => { write!(fmt, "esb") }, + 17 => { write!(fmt, "psb csync") }, + 18 => { write!(fmt, "tsb csync") }, + 20 => { write!(fmt, "csdb") }, + 24 => { write!(fmt, "paciaz") }, + 25 => { write!(fmt, "paciasp") }, + 26 => { write!(fmt, "pacibz") }, + 27 => { write!(fmt, "pacibsp") }, + 28 => { write!(fmt, "autiaz") }, + 29 => { write!(fmt, "autiasp") }, + 30 => { write!(fmt, "autibz") }, + 31 => { write!(fmt, "autibsp") }, + _ => { write!(fmt, "hint #{:#x}", hint_num) } + } } } Opcode::CSNEG => { @@ -1228,7 +1231,7 @@ pub enum Opcode { DMB(u8), SB, SSSB, - HINT(u8), + HINT, CLREX, CSEL, CSNEG, @@ -2568,17 +2571,7 @@ impl Display for Opcode { _ => write!(fmt, "dsb {:x}", option) }; } - Opcode::HINT(v) => { - return match v { - 0 => { write!(fmt, "nop") }, - 1 => { write!(fmt, "yield") }, - 2 => { write!(fmt, "wfe") }, - 3 => { write!(fmt, "wfi") }, - 4 => { write!(fmt, "sev") }, - 5 => { write!(fmt, "sevl") }, - _ => { write!(fmt, "hint({:#x})", v) } - } - } + Opcode::HINT => "hint", Opcode::CASB(ar) => { if ar == 0 { "casb" @@ -10123,16 +10116,18 @@ impl Decoder<ARMv8> for InstDecoder { // MSR, HINT, CLREX, DSB, DMB, ISB if Rt == 0b11111 { let CRn = (word >> 12) & 0xf; - let op1 = (word >> 16) & 0x7; let op2 = (word >> 5) & 0x1f; match CRn { 0b0010 => { - if op1 == 0b011 { - inst.opcode = Opcode::HINT(op2 as u8); - } else { - inst.opcode = Opcode::Invalid; - } + let CRm = (word >> 12) & 0xf; + inst.opcode = Opcode::HINT; + inst.operands = [ + Operand::ControlReg(CRm as u16), + Operand::Immediate(op2), + Operand::Nothing, + Operand::Nothing, + ]; }, 0b0011 => { let CRm = (word >> 8) & 0xf; @@ -10204,6 +10199,9 @@ impl Decoder<ARMv8> for InstDecoder { 0b0100 => { inst.opcode = Opcode::MSR; + let op1 = (word >> 16) & 0b1111; + + /* if op1 == 0b001 || op1 == 0b010 || op1 >= 0b100 { return Err(DecodeError::InvalidOperand); } else if op1 == 0b000 && op2 >= 0b110 { @@ -10215,6 +10213,7 @@ impl Decoder<ARMv8> for InstDecoder { } else if op1 == 0b011 && op2 == 0b101 { return Err(DecodeError::InvalidOperand); } + */ inst.operands = [ Operand::PstateField(((op1 << 3) | op2 << 3) as u8), |