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Signed-off-by: Ian Moffett <ian@osmora.org>
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This commit adds support for page-level cacheability attributes. We have
added the pmap_set_cache() as well as some MMU_CACHE_* bits
Signed-off-by: Ian Moffett <ian@osmora.org>
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Introduce a new resource deallocation function that destroys a specified
virtual address space.
Signed-off-by: Ian Moffett <ian@osmora.org>
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This commit introduces a new mmu_write_vas() function to allow the
caller to change the virtual address space used by the current
processor.
Signed-off-by: Ian Moffett <ian@osmora.org>
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This commit introduces the ability to create new virtual address spaces
for user programs and a zeroed lower half.
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 moves the VAS structure into a standard MD layer side and
makes it accessible through a standard MI layer header. This indirection
reduces coupling so that the codebase wont break if a name change or
anything is needed.
Signed-off-by: Ian Moffett <ian@osmora.org>
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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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