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Kernel: Add vaddr->paddr getter to VirtualRange

This commit is contained in:
Bananymous 2025-04-15 21:25:15 +03:00
parent 0f936fc163
commit 00015285ab
1 changed files with 10 additions and 0 deletions
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10
kernel/include/kernel/Memory/VirtualRange.h
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@ -26,6 +26,16 @@ namespace Kernel
size_t size() const { return m_size; } size_t size() const { return m_size; }
PageTable::flags_t flags() const { return m_flags; } PageTable::flags_t flags() const { return m_flags; }
paddr_t paddr_of(vaddr_t vaddr) const
{
ASSERT(vaddr % PAGE_SIZE == 0);
const size_t index = (vaddr - m_vaddr) / PAGE_SIZE;
ASSERT(index < m_paddrs.size());
const paddr_t paddr = m_paddrs[index];
ASSERT(paddr);
return paddr;
}
bool contains(vaddr_t address) const { return vaddr() <= address && address < vaddr() + size(); } bool contains(vaddr_t address) const { return vaddr() <= address && address < vaddr() + size(); }
BAN::ErrorOr<void> allocate_page_for_demand_paging(vaddr_t address); BAN::ErrorOr<void> allocate_page_for_demand_paging(vaddr_t address);