Fennix/Kernel
1
0
Fork 0
mirror of https://github.com/Fennix-Project/Kernel.git synced 2025-05-27 23:14:38 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Add 2MB and 1GB PAGE_SIZE macro

Browse Source
This commit is contained in:
Alex 2023-04-06 18:17:56 +03:00
parent 5e5819e3be
commit 9b84d0147d
Signed by untrusted user who does not match committer: enderice2
GPG Key ID: EACC3AD603BAB4DD
2 changed files with 20 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Core/Memory/Memory.cpp
View File

@ -84,7 +84,7 @@ NIF void MapFromZero(PageTable4 *PT, BootInfo *Info)
va.Map((void *)0, (void *)NullAddress, PTFlag::RW | PTFlag::US);
size_t MemSize = Info->Memory.Size;
for (size_t t = 0; t < MemSize; t += PAGE_SIZE)
va.Map((void *)t, (void *)t, PTFlag::RW /* | PTFlag::US */);
va.Map((void *)t, (void *)t, PTFlag::RW);
}
else
{

18
include/memory.hpp
View File

@ -54,6 +54,10 @@ extern uintptr_t _kernel_text_end, _kernel_data_end, _kernel_rodata_end;
#define TO_GPB(d) (d / 1024 / 1024 / 1024 / 1024 / 1024 / 1024 / 1024 / 1024 / 1024 / 1024)
#define PAGE_SIZE 0x1000 // 4KB
#define PAGE_SIZE_4K PAGE_SIZE // 4KB
#define PAGE_SIZE_2M 0x200000 // 2MB
#define PAGE_SIZE_1G 0x40000000 // 1GB
#define STACK_SIZE 0x4000 // 16kb
#define USER_STACK_SIZE 0x2000 // 8kb
@ -421,24 +425,28 @@ namespace Memory
public:
Bitmap GetPageBitmap() { return PageBitmap; }
/**
* @brief Get Total Memory
*
* @return uint64_t
*/
uint64_t GetTotalMemory();
/**
* @brief Get Free Memory
*
* @return uint64_t
*/
uint64_t GetFreeMemory();
/**
* @brief Get Reserved Memory
*
* @return uint64_t
*/
uint64_t GetReservedMemory();
/**
* @brief Get Used Memory
*
@ -454,6 +462,7 @@ namespace Memory
* @return false if swap was unsuccessful
*/
bool SwapPage(void *Address);
/**
* @brief Swap pages
*
@ -463,6 +472,7 @@ namespace Memory
* @return false if swap was unsuccessful
*/
bool SwapPages(void *Address, size_t PageCount);
/**
* @brief Unswap page
*
@ -471,6 +481,7 @@ namespace Memory
* @return false if unswap was unsuccessful
*/
bool UnswapPage(void *Address);
/**
* @brief Unswap pages
*
@ -487,6 +498,7 @@ namespace Memory
* @param Address Address of the page
*/
void LockPage(void *Address);
/**
* @brief Lock pages
*
@ -501,6 +513,7 @@ namespace Memory
* @return void* Allocated page address
*/
void *RequestPage();
/**
* @brief Request pages
*
@ -508,12 +521,14 @@ namespace Memory
* @return void* Allocated pages address
*/
void *RequestPages(size_t Count);
/**
* @brief Free page
*
* @param Address Address of the page
*/
void FreePage(void *Address);
/**
* @brief Free pages
*
@ -521,10 +536,13 @@ namespace Memory
* @param PageCount Number of pages
*/
void FreePages(void *Address, size_t Count);
/** @brief Do not use. */
void Init(BootInfo *Info);
/** @brief Do not use. */
Physical();
/** @brief Do not use. */
~Physical();
};