56 lines
1.7 KiB
Markdown
56 lines
1.7 KiB
Markdown
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# Changelog
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## 0.3.0
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### Breaking changes
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- Made `Translation` trait responsible for allocating page tables. This should help make it possible
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to use more complex mapping schemes, and to construct page tables in a different context to where
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they are used.
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- Renamed `AddressRangeError` to `MapError`, which is now an enum with three variants and implements
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`Display`.
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- `From<*const T>` and `From<*mut T>` are no longer implemented for `VirtualAddress`.
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- Added support for using TTBR1 as well as TTBR0; this changes various constructors to take an extra
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parameter.
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### New features
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- Made `alloc` dependency optional via a feature flag.
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- Added support for linear mappings with new `LinearMap`.
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- Implemented subtraction of usize from address types.
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### Bugfixes
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- Fixed memory leak introduced in 0.2.0: dropping a page table will now actually free its memory.
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## 0.2.1
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### New features
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- Implemented `Debug` and `Display` for `MemoryRegion`.
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- Implemented `From<Range<VirtualAddress>>` for `MemoryRegion`.
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- Implemented arithmetic operations for `PhysicalAddress` and `VirtualAddress`.
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## 0.2.0
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### Breaking changes
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- Added bounds check to `IdMap::map_range`; it will now return an error if you attempt to map a
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virtual address outside the range of the page table given its configured root level.
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### New features
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- Implemented `Debug` for `PhysicalAddress` and `VirtualAddress`.
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- Validate that chosen root level is supported.
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### Bugfixes
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- Fixed bug in `Display` and `Drop` implementation for `RootTable` that would result in a crash for
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any pagetable with non-zero mappings.
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- Fixed `Display` implementation for `PhysicalAddress` and `VirtualAddress` to use correct number of
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digits.
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## 0.1.0
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Initial release.
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