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authorbelovdv <70999565+belovdv@users.noreply.github.com>2024-03-07 20:48:32 +0300
committeriximeow <me@iximeow.net>2024-03-09 17:59:54 -0800
commit098b030310a2b6dcc778c2e1cc765be2b3b5e95a (patch)
tree2ce241f9568d427e8378c65f874b35f51b26d881 /src/armv8/a64.rs
parent8b995b2763d4cb5c8c73913d795318c9ce7178f0 (diff)
fix armv8 a64 decoder hint instructions
Diffstat (limited to 'src/armv8/a64.rs')
-rw-r--r--src/armv8/a64.rs9
1 files changed, 3 insertions, 6 deletions
diff --git a/src/armv8/a64.rs b/src/armv8/a64.rs
index 85e2ced..0704262 100644
--- a/src/armv8/a64.rs
+++ b/src/armv8/a64.rs
@@ -10301,12 +10301,13 @@ impl Decoder<ARMv8> for InstDecoder {
0b000 => {
// MSR, HINT, CLREX, DSB, DMB, ISB
if Rt == 0b11111 {
+ let op1 = (word >> 16) & 0b111;
let CRn = (word >> 12) & 0xf;
- let op2 = (word >> 5) & 0x1f;
+ let CRm = (word >> 8) & 0xf;
+ let op2 = (word >> 5) & 0b111;
match CRn {
0b0010 => {
- let CRm = (word >> 12) & 0xf;
inst.opcode = Opcode::HINT;
inst.operands = [
Operand::ControlReg(CRm as u16),
@@ -10316,8 +10317,6 @@ impl Decoder<ARMv8> for InstDecoder {
];
},
0b0011 => {
- let CRm = (word >> 8) & 0xf;
- let op2 = (word >> 5) & 0b111;
match op2 {
0b010 => {
inst.opcode = Opcode::CLREX;
@@ -10385,8 +10384,6 @@ 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);