AbleOS/holey-bytes
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fixed imm shl/r

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This commit is contained in:
Erin 2023-07-24 16:48:13 +02:00
parent 4ca4e81ac3
commit fce3fa5210
1 changed files with 18 additions and 13 deletions
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31
hbvm/src/vm/mod.rs
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@ -48,19 +48,16 @@ macro_rules! binary_op {
),
);
}};
}
/// Parform bitshift operations
macro_rules! binary_op_sh {
($self:expr, $ty:ident, $handler:expr) => {{
($self:expr, $ty:ident, $handler:expr, $con:ty) => {{
let ParamBBB(tg, a0, a1) = param!($self, ParamBBB);
$self.write_reg(
tg,
$handler(
Value::$ty(&$self.read_reg(a0)),
$self.read_reg(a1).as_u64() as u32,
)
)
Value::$ty(&$self.read_reg(a1)) as $con,
),
);
}};
}
@ -73,6 +70,14 @@ macro_rules! binary_op_imm {
$handler(Value::$ty(&$self.read_reg(a0)), Value::$ty(&imm.into())),
);
}};
($self:expr, $ty:ident, $handler:expr, $con:ty) => {{
let ParamBBD(tg, a0, imm) = param!($self, ParamBBD);
$self.write_reg(
tg,
$handler(Value::$ty(&$self.read_reg(a0)), Value::$ty(&imm.into()) as $con),
);
}};
}
/// Jump at `#3` if ordering on `#0 <=> #1` is equal to expected
@ -182,9 +187,9 @@ impl<'a, PfHandler: HandlePageFault, const TIMER_QUOTIENT: usize>
AND => binary_op!(self, as_u64, ops::BitAnd::bitand),
OR => binary_op!(self, as_u64, ops::BitOr::bitor),
XOR => binary_op!(self, as_u64, ops::BitXor::bitxor),
SL => binary_op_sh!(self, as_u64, u64::wrapping_shl),
SR => binary_op_sh!(self, as_u64, u64::wrapping_shr),
SRS => binary_op_sh!(self, as_i64, i64::wrapping_shr),
SL => binary_op!(self, as_u64, u64::wrapping_shl, u32),
SR => binary_op!(self, as_u64, u64::wrapping_shr, u32),
SRS => binary_op!(self, as_i64, i64::wrapping_shr, u32),
CMP => {
// Compare a0 <=> a1
// < → -1
@ -234,9 +239,9 @@ impl<'a, PfHandler: HandlePageFault, const TIMER_QUOTIENT: usize>
ANDI => binary_op_imm!(self, as_u64, ops::BitAnd::bitand),
ORI => binary_op_imm!(self, as_u64, ops::BitOr::bitor),
XORI => binary_op_imm!(self, as_u64, ops::BitXor::bitxor),
SLI => binary_op_imm!(self, as_u64, ops::Shl::shl),
SRI => binary_op_imm!(self, as_u64, ops::Shr::shr),
SRSI => binary_op_imm!(self, as_i64, ops::Shr::shr),
SLI => binary_op_imm!(self, as_u64, u64::wrapping_shl, u32),
SRI => binary_op_imm!(self, as_u64, u64::wrapping_shr, u32),
SRSI => binary_op_imm!(self, as_i64, i64::wrapping_shr, u32),
CMPI => {
let ParamBBD(tg, a0, imm) = param!(self, ParamBBD);
self.write_reg(