arch/x86_64/memory/page-mapping.c


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#include "arch/x86_64/page-mapping.h"
#include "arch/x86_64/page.h"
#include "memory.h"
#include "error.h"
#include <stddef.h>
#include "print.h"

void
mapping_setup_init()
{
    pml4_setup_init();
}

void
mapping_setup(objdir_entry_t *mapping)
{
    pmle_t *pml4 = (pmle_t*)ko_entry_data(mapping);
    pml4_setup(pml4);
}

int 
mapping_try_map_obj(objdir_entry_t *mapping, uintptr_t vptr, objdir_entry_t *obj)
{
    if(vptr & 0xFFFF800000000000) return KE_OOB;
    pmle_t *pml4 = (pmle_t*)ko_entry_data(mapping);
    uintptr_t pptr = (uintptr_t)ko_entry_data(obj);
    return pml4_try_map(pml4, pptr, vptr);
}