#ifndef CPU_X86_PAE_H
#define CPU_X86_PAE_H

#include <stdint.h>

/* Enable paging with cr3 value for page directory pointer table as well as PAE
   option in cr4. */
void paging_enable_pae_cr3(uintptr_t cr3);
/* Enable paging as well as PAE option in cr4. */
void paging_enable_pae(void);
/* Disable paging as well as PAE option in cr4. */
void paging_disable_pae(void);

/* Set/Clear NXE bit in IA32_EFER MSR */
void paging_set_nxe(int enable);

/* Set PAT MSR */
void paging_set_pat(uint64_t pat);

#define MAPPING_ERROR ((void *)0xffffffffUL)
void *map_2M_page(unsigned long page);

#endif /* CPU_X86_PAE_H  */