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Kernel: Remove two unused MemoryManager functions

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This commit is contained in:
Andreas Kling 2020-01-18 08:23:49 +01:00
parent f60bd255f5
commit 345f92d5ac
2 changed files with 0 additions and 34 deletions
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30
Kernel/VM/MemoryManager.cpp
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@ -203,36 +203,6 @@ PageTableEntry& MemoryManager::ensure_pte(PageDirectory& page_directory, Virtual
return quickmap_pt(PhysicalAddress((u32)pde.page_table_base()))[page_table_index]; return quickmap_pt(PhysicalAddress((u32)pde.page_table_base()))[page_table_index];
} }
void MemoryManager::map_protected(VirtualAddress vaddr, size_t length)
{
InterruptDisabler disabler;
ASSERT(vaddr.is_page_aligned());
for (u32 offset = 0; offset < length; offset += PAGE_SIZE) {
auto pte_address = vaddr.offset(offset);
auto& pte = ensure_pte(kernel_page_directory(), pte_address);
pte.set_physical_page_base(pte_address.get());
pte.set_user_allowed(false);
pte.set_present(false);
pte.set_writable(false);
flush_tlb(pte_address);
}
}
void MemoryManager::create_identity_mapping(PageDirectory& page_directory, VirtualAddress vaddr, size_t size)
{
InterruptDisabler disabler;
ASSERT((vaddr.get() & ~PAGE_MASK) == 0);
for (u32 offset = 0; offset < size; offset += PAGE_SIZE) {
auto pte_address = vaddr.offset(offset);
auto& pte = ensure_pte(page_directory, pte_address);
pte.set_physical_page_base(pte_address.get());
pte.set_user_allowed(false);
pte.set_present(true);
pte.set_writable(true);
flush_tlb(pte_address);
}
}
void MemoryManager::initialize() void MemoryManager::initialize()
{ {
s_the = new MemoryManager; s_the = new MemoryManager;

4
Kernel/VM/MemoryManager.h
View file

@ -127,10 +127,6 @@ private:
void flush_entire_tlb(); void flush_entire_tlb();
void flush_tlb(VirtualAddress); void flush_tlb(VirtualAddress);
void map_protected(VirtualAddress, size_t length);
void create_identity_mapping(PageDirectory&, VirtualAddress, size_t length);
static Region* user_region_from_vaddr(Process&, VirtualAddress); static Region* user_region_from_vaddr(Process&, VirtualAddress);
static Region* kernel_region_from_vaddr(VirtualAddress); static Region* kernel_region_from_vaddr(VirtualAddress);