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MemoryManager: initial multi paging system implementation.

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This commit is contained in:
Fernando Sahmkow
2022-02-05 18:15:26 +01:00
parent 98b5e236d4
commit 4d60410dd9
6 changed files with 346 additions and 212 deletions
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3
src/common/multi_level_page_table.inc
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@ -19,6 +19,9 @@ MultiLevelPageTable<BaseAddr>::MultiLevelPageTable(std::size_t address_space_bit
std::size_t page_bits_)
: address_space_bits{address_space_bits_},
first_level_bits{first_level_bits_}, page_bits{page_bits_} {
if (page_bits == 0) {
return;
}
first_level_shift = address_space_bits - first_level_bits;
first_level_chunk_size = (1ULL << (first_level_shift - page_bits)) * sizeof(BaseAddr);
alloc_size = (1ULL << (address_space_bits - page_bits)) * sizeof(BaseAddr);