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Detect LZ4 files correctly now

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jaby
2023-04-13 21:51:45 +02:00
parent 37156a1432
commit 30561183fd
3 changed files with 11 additions and 12 deletions
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15
src/Tools/psxcdgen_ex/src/types/overlay/mod.rs
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@@ -8,11 +8,6 @@ pub type LBANameVec = Vec<String>;
mod main;
/*
Size in sectors [22, 31];
Is LZ4 compressed [19];
LBA value [0, 18]
*/
#[repr(packed)]
struct LBAEntry {
raw: u32,
@@ -20,10 +15,10 @@ struct LBAEntry {
impl LBAEntry {
const SIZE_IN_SECTOR_RANGE:BitRange = BitRange::from_to(22, 31);
const _IS_LZ4_COMPRESSED:Bit = Bit::at(19);
const IS_LZ4_COMPRESSED:Bit = Bit::at(19);
const LBA_VALUE_RANGE:BitRange = BitRange::from_to(0, 18);
pub fn write_entry(&mut self, lba: usize, size_bytes: usize, _is_lz4: bool) -> Result<(), Error> {
pub fn write_entry(&mut self, lba: usize, size_bytes: usize, is_lz4: bool) -> Result<(), Error> {
if lba > Self::LBA_VALUE_RANGE.max_value() {
return Err(Error::from_text(format!("LBA of value {} is impossible and can not be encoded! Maximum LBA value is: {}", lba, Self::LBA_VALUE_RANGE.max_value())));
}
@@ -40,7 +35,11 @@ impl LBAEntry {
return Err(Error::from_str("LBA Entry will overwrite non-zero value!\nIs no space allocated for the LBA Entries?"));
}
self.raw = Self::SIZE_IN_SECTOR_RANGE.or_value(Self::LBA_VALUE_RANGE.or_value(0, lba), size_in_sectors) as u32;
let new_raw = Self::LBA_VALUE_RANGE.or_value(0, lba);
let new_raw = Self::SIZE_IN_SECTOR_RANGE.or_value(new_raw, size_in_sectors);
let new_raw = Self::IS_LZ4_COMPRESSED.or_value(new_raw, is_lz4);
self.raw = new_raw as u32;
Ok(())
}
}