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acpi_tables: aml: Add support for binary operators

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Signed-off-by: Qiu Wenbo <qiuwenbo@phytium.com.cn>
This commit is contained in:
Qiu Wenbo 2019-11-29 12:34:32 +08:00 committed by Rob Bradford
parent f787139805
commit 861d902c21
1 changed files with 41 additions and 20 deletions
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31
acpi_tables/src/aml.rs
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@ -1064,28 +1064,49 @@ impl<'a> Aml for While<'a> {
} }
} }
pub struct Add<'a> { macro_rules! binary_op {
($name:ident, $opcode:expr) => {
pub struct $name<'a> {
a: &'a dyn Aml, a: &'a dyn Aml,
b: &'a dyn Aml, b: &'a dyn Aml,
target: &'a dyn Aml, target: &'a dyn Aml,
} }
impl<'a> Add<'a> { impl<'a> $name<'a> {
pub fn new(target: &'a dyn Aml, a: &'a dyn Aml, b: &'a dyn Aml) -> Self { pub fn new(target: &'a dyn Aml, a: &'a dyn Aml, b: &'a dyn Aml) -> Self {
Add { target, a, b } $name { target, a, b }
} }
} }
impl<'a> Aml for Add<'a> { impl<'a> Aml for $name<'a> {
fn to_aml_bytes(&self) -> Vec<u8> { fn to_aml_bytes(&self) -> Vec<u8> {
let mut bytes = Vec::new(); let mut bytes = Vec::new();
bytes.push(0x72); /* AddOp */ bytes.push($opcode); /* Op for the binary operator */
bytes.extend_from_slice(&self.a.to_aml_bytes()); bytes.extend_from_slice(&self.a.to_aml_bytes());
bytes.extend_from_slice(&self.b.to_aml_bytes()); bytes.extend_from_slice(&self.b.to_aml_bytes());
bytes.extend_from_slice(&self.target.to_aml_bytes()); bytes.extend_from_slice(&self.target.to_aml_bytes());
bytes bytes
} }
} }
};
}
/* binary operators: TermArg TermArg Target */
binary_op!(Add, 0x72);
binary_op!(Concat, 0x73);
binary_op!(Subtract, 0x74);
binary_op!(Multiply, 0x77);
binary_op!(ShiftLeft, 0x79);
binary_op!(ShiftRight, 0x7A);
binary_op!(And, 0x7B);
binary_op!(Nand, 0x7C);
binary_op!(Or, 0x7D);
binary_op!(Nor, 0x7E);
binary_op!(Xor, 0x7F);
binary_op!(ConateRes, 0x84);
binary_op!(Mod, 0x85);
binary_op!(Index, 0x88);
binary_op!(ToString, 0x9C);
pub struct MethodCall<'a> { pub struct MethodCall<'a> {
name: Path, name: Path,