Fennix/Kernel
1
0
Fork 0
mirror of https://github.com/Fennix-Project/Kernel.git synced 2025-07-11 07:19:20 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

QoL and bug fixes

Browse Source
This commit is contained in:
Alex
2023-04-10 03:11:46 +03:00
parent 25aa9ff6a6
commit b4dbf2c281
83 changed files with 1438 additions and 1025 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
include/memory.hpp
View File

@ -62,7 +62,7 @@ extern uintptr_t _kernel_text_end, _kernel_data_end, _kernel_rodata_end;
#define USER_STACK_SIZE 0x2000 // 8kb
// To pages
#define TO_PAGES(d) ((d) / PAGE_SIZE + 1)
#define TO_PAGES(d) (((d) + PAGE_SIZE - 1) / PAGE_SIZE)
// From pages
#define FROM_PAGES(d) ((d)*PAGE_SIZE)
@ -436,6 +436,18 @@ namespace Memory
struct PageTable4
{
PageMapLevel4 Entries[511];
/**
* @brief Update CR3 with this PageTable4
*/
void Update()
{
#if defined(a86)
asmv("mov %0, %%cr3" ::"r"(this));
#elif defined(aa64)
asmv("msr ttbr0_el1, %0" ::"r"(this));
#endif
}
} __aligned(0x1000);
struct __packed PageMapLevel5
@ -460,11 +472,6 @@ namespace Memory
uint64_t PageBitmapIndex = 0;
Bitmap PageBitmap;
void ReservePage(void *Address);
void ReservePages(void *Address, size_t PageCount);
void UnreservePage(void *Address);
void UnreservePages(void *Address, size_t PageCount);
public:
Bitmap GetPageBitmap() { return PageBitmap; }
@ -549,6 +556,11 @@ namespace Memory
*/
void LockPages(void *Address, size_t PageCount);
void ReservePage(void *Address);
void ReservePages(void *Address, size_t PageCount);
void UnreservePage(void *Address);
void UnreservePages(void *Address, size_t PageCount);
/**
* @brief Request page
*
@ -869,7 +881,6 @@ void operator delete[](void *Pointer, long unsigned int Size);
extern Memory::Physical KernelAllocator;
extern Memory::PageTable4 *KernelPageTable;
extern Memory::PageTable4 *UserspaceKernelOnlyPageTable;
#endif // __cplusplus