Function parse_me_fwsts

framework_lib/src/csme.rs:400–463

Parse SMBIOS type 0xDB (ME FWSTS) table Structure: - Offset 0: type (0xDB) - Offset 1: length - Offset 2-3: handle (u16le) - Offset 4: version (should be 0x01) - Offset 5: count (number of records) - Offset 6+: records, each 25 bytes: - 1 byte: component name - 24 bytes: 6 x u32le HFSTS registers

(raw: &RawStructure)

///   - 1 byte: component name
///   - 24 bytes: 6 x u32le HFSTS registers
pub fn parse_me_fwsts(raw: &RawStructure) -> Option<MeSmbiosInfo> {
    // Verify this is type 0xDB
    if raw.info != InfoType::Oem(SMBIOS_TYPE_ME_FWSTS) {
        return None;
    }

    let length = raw.length as usize;
    let handle = raw.handle;

    // Minimum header size: 6 bytes (type, length, handle, version, count)
    if length < 6 {
        return None;
    }

    // Get version and count from offsets 4 and 5
    let version = raw.get::<u8>(4).ok()?;
    let count = raw.get::<u8>(5).ok()?;

    // Version should be 0x01
    if version != 0x01 {
        return None;
    }

    let mut records = Vec::new();
    let record_size = 25; // 1 byte component + 6 * 4 bytes HFSTS

    for i in 0..count {
        let record_offset = 6 + (i as usize * record_size);

        // Check we have enough data
        // TODO: Should this `return None;`?
        if record_offset + record_size > length {
            break;
        }

        let component = MeComponent::from(raw.get::<u8>(record_offset).ok()?);

        // Parse 6 HFSTS registers (u32le each)
        let hfsts1 = raw.get::<u32>(record_offset + 1).ok()?;
        let hfsts2 = raw.get::<u32>(record_offset + 5).ok()?;
        let hfsts3 = raw.get::<u32>(record_offset + 9).ok()?;
        let hfsts4 = raw.get::<u32>(record_offset + 13).ok()?;
        let hfsts5 = raw.get::<u32>(record_offset + 17).ok()?;
        let hfsts6 = raw.get::<u32>(record_offset + 21).ok()?;

        records.push(MeFwstsRecord {
            component,
            hfsts: HfStsRegisters {
                hfsts1,
                hfsts2,
                hfsts3,
                hfsts4,
                hfsts5,
                hfsts6,
            },
        });
    }