Philipp Oppermann
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01f8c43ffb
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Map the heap pages to physical frames
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7 years ago |
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Philipp Oppermann
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f2bbe43099
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Use once crate to ensure that memory::init is only called once
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7 years ago |
|
Philipp Oppermann
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76550dcd95
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Refactor: Move memory initialization to memory::init function
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7 years ago |
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Philipp Oppermann
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c0d403abbe
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Set a global allocator
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7 years ago |
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Philipp Oppermann
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9dc998222a
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Make the bump allocator lock free and impl Alloc for shared reference
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7 years ago |
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Philipp Oppermann
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1f6633fe44
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Add a heap_allocator module with a basic bump allocator
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7 years ago |
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Philipp Oppermann
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5f017124dd
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Add a dependency on the alloc crate
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7 years ago |
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Philipp Oppermann
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36369cfbe2
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Update Readme for “Kernel Heap” post
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7 years ago |
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Philipp Oppermann
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c6dd37dcc5
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Turn page of old P4 into guard page
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7 years ago |
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Philipp Oppermann
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2a3ce863fd
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Enable write protect bit to improve safety
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7 years ago |
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Philipp Oppermann
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ffaddeb84e
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Fix boot loop by enabling the NXE bit in the EFER register
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7 years ago |
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Philipp Oppermann
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0ce2b46ad1
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Use the correct entry flags for kernel sections
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7 years ago |
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Philipp Oppermann
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11993b7e15
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Also identity map the multiboot info structure
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7 years ago |
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Philipp Oppermann
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fdacfb24f0
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Fix boot loop by identity mapping the vga buffer
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7 years ago |
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Philipp Oppermann
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564c6b64e9
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Switch to the new page table after mapping all sections
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7 years ago |
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Philipp Oppermann
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fa3b572d68
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Only print kernel/multiboot start/end in rust_main
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7 years ago |
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Philipp Oppermann
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40f1732ccb
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Call remap_the_kernel from rust_main
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7 years ago |
|
Philipp Oppermann
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5d898d8474
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Page align all sections as they will be individually mapped
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7 years ago |
|
Philipp Oppermann
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e029eabe18
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Add a remap_the_kernel function
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7 years ago |
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Philipp Oppermann
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60d7c736a5
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Add a (now safe) `with` method
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7 years ago |
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Philipp Oppermann
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2f30b0f7cf
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Create a new ActivePageTable struct that derefs to Mapper
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7 years ago |
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Philipp Oppermann
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ce9c4d6e43
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Refactor: Move ActivePageTable to new mapper submodule and rename to `Mapper`
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7 years ago |
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Philipp Oppermann
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4160cb6d7e
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Begin creating an ActivePageTable::with function
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7 years ago |
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Philipp Oppermann
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b2e79752fd
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Fix InactivePageTable::new function using a temporary page
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7 years ago |
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Philipp Oppermann
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11ae7e8aeb
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Create a temporary_page module
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7 years ago |
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Philipp Oppermann
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1737f48284
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Create a InactivePageTable struct
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7 years ago |
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Philipp Oppermann
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1f1f6c62da
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Derive Copy and Clone for Page and add a Frame::clone method
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7 years ago |
|
Philipp Oppermann
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bb3f17c0b9
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Update Readme for “Remap the Kernel” post
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7 years ago |
|
Philipp Oppermann
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1007c5157d
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Remove paging testing code again
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7 years ago |
|
Philipp Oppermann
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55e602dc61
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Fix unmap function by flushing the TLB
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7 years ago |
|
Philipp Oppermann
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eb5c9afa51
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Add a dependency on the x86_64 crate
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7 years ago |
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Philipp Oppermann
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0ee4ed738a
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Test the unmap function (it doesn't work correctly)
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7 years ago |
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Philipp Oppermann
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b49cb6986c
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Test the map_to function
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7 years ago |
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Philipp Oppermann
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15c9f43622
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Add an (unfinished) `unmap` method
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7 years ago |
|
Philipp Oppermann
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3696c7bacb
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Add `map` and `identity_map` functions for convenience
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7 years ago |
|
Philipp Oppermann
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bb473c7907
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Make translate and map_to safe by making them methods of a new ActivePageTable struct
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7 years ago |
|
Philipp Oppermann
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dedf6e8959
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Add a map_to function
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7 years ago |
|
Philipp Oppermann
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83d56aa9de
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Add translate and translate_page functions
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7 years ago |
|
Philipp Oppermann
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a7170a4a44
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Use type system tricks to make next_table methods safe
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7 years ago |
|
Philipp Oppermann
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0874625269
|
Add methods to retrieve a (mutual) reference to the next table
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7 years ago |
|
Philipp Oppermann
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3706331a43
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Add a P4 constant and a Table::next_table_address method
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7 years ago |
|
Philipp Oppermann
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8fcea7951b
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Recursive map the P4 table
|
7 years ago |
|
Philipp Oppermann
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e50d70c02e
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Add a Table::zero method to clear all entries
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7 years ago |
|
Philipp Oppermann
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2b7fa410fb
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Implement the Index and IndexMut traits for Table
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7 years ago |
|
Philipp Oppermann
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62d655fbdd
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Create a memory::paging::table submodule with a Table struct
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7 years ago |
|
Philipp Oppermann
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fe464463eb
|
Add `pointed_frame` and `set` methods to `Entry`
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7 years ago |
|
Philipp Oppermann
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148d506629
|
Use bitflags to create an EntryFlags type
|
7 years ago |
|
Philipp Oppermann
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f957f2ecde
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Add a dependency on the bitflags crate
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7 years ago |
|
Philipp Oppermann
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c4c27c10e6
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Create a memory::paging::entry submodule with an Entry struct
|
7 years ago |
|
Philipp Oppermann
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c7c02d7dca
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Create a memory::paging module with a Page struct
|
7 years ago |
