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kern: implement process(pagetable) init

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This commit is contained in:
Michael Scire
2020-02-19 01:22:27 -08:00
parent fba8fb539d
commit 05a3e95834
16 changed files with 502 additions and 24 deletions
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1
libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_page_table.hpp
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@@ -172,6 +172,7 @@ namespace ams::kern::arch::arm64 {
}
NOINLINE Result InitializeForKernel(void *table, KVirtualAddress start, KVirtualAddress end);
NOINLINE Result InitializeForProcess(u32 id, ams::svc::CreateProcessFlag as_type, bool enable_aslr, bool from_back, KMemoryManager::Pool pool, KProcessAddress code_address, size_t code_size, KMemoryBlockSlabManager *mem_block_slab_manager, KBlockInfoManager *block_info_manager, KPageTableManager *pt_manager);
Result Finalize();
private:
Result Map(KProcessAddress virt_addr, KPhysicalAddress phys_addr, size_t num_pages, PageTableEntry entry_template, PageLinkedList *page_list, bool reuse_ll);

1
libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_page_table_impl.hpp
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@@ -103,6 +103,7 @@ namespace ams::kern::arch::arm64 {
constexpr KPageTableImpl() : table(), is_kernel(), num_entries() { /* ... */ }
NOINLINE void InitializeForKernel(void *tb, KVirtualAddress start, KVirtualAddress end);
NOINLINE void InitializeForProcess(void *tb, KVirtualAddress start, KVirtualAddress end);
L1PageTableEntry *Finalize();
bool BeginTraversal(TraversalEntry *out_entry, TraversalContext *out_context, KProcessAddress address) const;

13
libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_process_page_table.hpp
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@@ -24,6 +24,19 @@ namespace ams::kern::arch::arm64 {
KPageTable page_table;
public:
constexpr KProcessPageTable() : page_table() { /* ... */ }
Result Initialize(u32 id, ams::svc::CreateProcessFlag as_type, bool enable_aslr, bool from_back, KMemoryManager::Pool pool, KProcessAddress code_address, size_t code_size, KMemoryBlockSlabManager *mem_block_slab_manager, KBlockInfoManager *block_info_manager, KPageTableManager *pt_manager) {
return this->page_table.InitializeForProcess(id, as_type, enable_aslr, from_back, pool, code_address, code_size, mem_block_slab_manager, block_info_manager, pt_manager);
}
void Finalize() { this->page_table.Finalize(); }
Result MapPageGroup(KProcessAddress addr, const KPageGroup &pg, KMemoryState state, KMemoryPermission perm) {
return this->page_table.MapPageGroup(addr, pg, state, perm);
}
bool CanContain(KProcessAddress addr, size_t size) const { return this->page_table.CanContain(addr, size); }
bool CanContain(KProcessAddress addr, size_t size, KMemoryState state) const { return this->page_table.CanContain(addr, size, state); }
};
}