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Kernel: 64 bit MMU now properly identity maps kernel

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Bananymous
2023-05-05 14:18:18 +03:00
parent 3c5d3eb8ad
commit e7a170c89f
2 changed files with 19 additions and 33 deletions
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18
kernel/include/kernel/Memory/MMU.h
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@@ -4,11 +4,12 @@
namespace Kernel
{
class MMU
{
public:
enum Flags : uint8_t
using flags_t = uint8_t;
enum Flags : flags_t
{
Present = 1,
ReadWrite = 2,
@@ -22,15 +23,18 @@ namespace Kernel
MMU();
~MMU();
void identity_map_page(paddr_t, uint8_t);
void identity_map_range(paddr_t, ptrdiff_t, uint8_t);
void identity_map_page(paddr_t, flags_t);
void identity_map_range(paddr_t, size_t, flags_t);
void unmap_page(vaddr_t);
void unmap_range(vaddr_t, ptrdiff_t);
void unmap_range(vaddr_t, size_t);
void map_page_at(paddr_t, vaddr_t, uint8_t);
void map_page_at(paddr_t, vaddr_t, flags_t);
uint8_t get_page_flags(vaddr_t) const;
flags_t get_page_flags(vaddr_t) const;
vaddr_t get_free_page() const;
vaddr_t get_free_contiguous_pages(uint32_t) const;
void load();