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Lunos's virtual memory system is split into two parts, the machine
dependent MMU layer and the machine independent layer. The MMU side
exposes a standard bridge header that allows the MI layer to interface
with the MD layer.
Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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This commit implements an interface to allow other parts of Lunos to
talk to the MMU:
- Added the 'vas' structure as the virtual address space
- Added MMU specific prot flags
- Added mmu_map_single() to map pages
- Added mmu_this_vas() to grab the current VAS
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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