vmem_map.h

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#pragma once
 
#include "mem/buddysystem.h"
#include "mem/zone_allocator.h"
#include "mem/paging.h"
 
#define VIRTUAL_MEMORY_SIZE_MB 128
 
typedef struct virt_map_page_manager_t {
    bb_instance_t bb_instance;
} virt_map_page_manager_t;
 
typedef struct virt_map_page_t {
    bb_page_t bbpage;
} virt_map_page_t;
 
int virt_init(void);
 
uint32_t virt_map_physical_pages(page_t *page, int pfn_count);
 
virt_map_page_t *virt_map_alloc(uint32_t size);
 
uint32_t virt_map_vaddress(mm_struct_t *mm, virt_map_page_t *vpage, uint32_t vaddr, uint32_t size);
 
int virtual_check_address(uint32_t addr);
 
int virt_unmap(uint32_t addr);
 
int virt_unmap_pg(virt_map_page_t *page);
 
void virt_memcpy(
    mm_struct_t *dst_mm,
    uint32_t dst_vaddr,
    mm_struct_t *src_mm,
    uint32_t src_vaddr,
    uint32_t size);