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acpi_tables: aml: Implement Aml::append_aml_bytes() for ResourceTemplate
For now it still relies on Aml::to_aml_bytes() for the children as not all structures have been ported. Signed-off-by: Rob Bradford <robert.bradford@intel.com>
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@ -303,36 +303,31 @@ pub struct ResourceTemplate<'a> {
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}
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}
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impl<'a> Aml for ResourceTemplate<'a> {
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impl<'a> Aml for ResourceTemplate<'a> {
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fn to_aml_bytes(&self) -> Vec<u8> {
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fn append_aml_bytes(&self, bytes: &mut Vec<u8>) {
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let mut bytes = Vec::new();
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let mut tmp = Vec::new();
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// Add buffer data
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// Add buffer data
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for child in &self.children {
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for child in &self.children {
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bytes.append(&mut child.to_aml_bytes());
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tmp.append(&mut child.to_aml_bytes());
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}
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}
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// Mark with end and mark checksum as as always valid
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// Mark with end and mark checksum as as always valid
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bytes.push(0x79); /* EndTag */
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tmp.push(0x79); /* EndTag */
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bytes.push(0); /* zero checksum byte */
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tmp.push(0); /* zero checksum byte */
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// Buffer length is an encoded integer including buffer data
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// Buffer length is an encoded integer including buffer data
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// and EndTag and checksum byte
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// and EndTag and checksum byte
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let mut buffer_length = bytes.len().to_aml_bytes();
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let mut buffer_length = tmp.len().to_aml_bytes();
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buffer_length.reverse();
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buffer_length.reverse();
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for byte in buffer_length {
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for byte in buffer_length {
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bytes.insert(0, byte);
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tmp.insert(0, byte);
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}
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}
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// PkgLength is everything else
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// PkgLength is everything else
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let mut pkg_length = create_pkg_length(&bytes, true);
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let mut pkg_length = create_pkg_length(&tmp, true);
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pkg_length.reverse();
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for byte in pkg_length {
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bytes.insert(0, byte);
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}
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bytes.insert(0, 0x11); /* BufferOp */
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bytes.push(0x11); /* BufferOp */
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bytes.append(&mut pkg_length);
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bytes
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bytes.append(&mut tmp);
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}
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}
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}
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}
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