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| author | aqua <aqua@iserlohn-fortress.net> | 2022-12-11 21:42:29 +0200 |
|---|---|---|
| committer | aqua <aqua@iserlohn-fortress.net> | 2022-12-11 21:42:29 +0200 |
| commit | f398efa1ac52e967d9673a0efebd9a27f17d60bf (patch) | |
| tree | ddf0460a1cf6f1ab8fd71de250e581f7f4e51b37 /doc.src/mem.rst | |
| parent | Move symlink target to leaf makefiles (diff) | |
| download | kernel-f398efa1ac52e967d9673a0efebd9a27f17d60bf.tar.xz | |
Generate docs using doxygen instead of sphinx
Diffstat (limited to 'doc.src/mem.rst')
| -rw-r--r-- | doc.src/mem.rst | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/doc.src/mem.rst b/doc.src/mem.rst deleted file mode 100644 index 2dd86a9..0000000 --- a/doc.src/mem.rst +++ /dev/null @@ -1,32 +0,0 @@ -================= -Memory management -================= - -A frame is a fixed-sized block of physical memory. A page is a fixed-size block of virtual memory. Both are of the same size (4kB). - -Physical memory allocator -========================= -The FrameAllocator takes a bitmap describing available physical memory and allocates free frames. There is one global -instance. - -Virtual memory allocator -======================== -The PageAllocator takes allocated Frames and mounts them in virtual memory. - -.. table:: Virtual address space layout - :widths: auto - - ============== ==================== =========== - address symbol description - ============== ==================== =========== - ``ffff ffff`` virtual memory end - ``d000 0000`` MMIO - ``c040 0000`` kernel allocator - page-aligned ``__data_begin`` - page-aligned ``__bss_begin`` - page-aligned ``__rodata_begin`` - ``c000 0000`` ``__text_begin`` kernel text - ``0000 0000`` virtual memory start - ============== ==================== =========== - -.. include:: mem/constinit.rst |