loic/bringelle
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Enable .bss zeroing and improve paging

Browse source
This commit is contained in:
Loic Guegan 2021-04-13 15:31:45 +02:00
parent 457a211770
commit 5a9a57177f
7 changed files with 135 additions and 19 deletions
Download patch file Download diff file Expand all files Collapse all files

17
src/core/paging.h
View file

@ -2,12 +2,25 @@
#define PAGING_H
#define PAGING_CR0_BIT 0x80000000
#define PAGING_DIR_LOCATION 0x1000
#define PAGING_TABLE_LOCATION 0x5000
#define PAGING_PAGE_SIZE 4096
#define PAGING_MAX_PAGES 2048
#if PAGING_MAX_PAGES%1024>0
#define PAGING_MAX_DIR_ENTRY PAGING_MAX_PAGES/1024+1
#else
#define PAGING_MAX_DIR_ENTRY PAGING_MAX_PAGES/1024
#endif
/*
* Configure and enable paging
*/
void paging_enable();
char* paging_allocate_next_page();
void paging_set_usage(int addr,char state);
/**
* Create a new page directory containing
* p pages.
*/
char *paging_allocate(int p);
void paging_dump(int min,int max);
#endif