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bdbrd 2025-10-22 15:51:24 +02:00
commit cbc51f523e
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src/mm/vmm.h Normal file
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#include <stdint.h>
#define PTE_BIT_PRESENT 0x1 // Present bit
#define PTE_BIT_RW 0x2 // Read/write bit
#define PTE_BIT_US 0x4 // User and Supervisor bit
#define PTE_BIT_NX 0x4000000000000000 // Non-executable bit
#define PTE_BIT_UNCACHABLE (1 << 4)
#define PAGE_SIZE 4096
void tlb_flush(void);
void vmm_map_page(uint64_t *page_map, uint64_t virt_address, uint64_t phys_address, uint64_t flags);
int vmm_map_continous_pages(uint64_t *page_map, uint64_t virt_addr, uint64_t phys_addr, uint64_t size, uint64_t flags);
void vmm_free_page(uint64_t *page_map, uint64_t virt_addr);
void vmm_init();
void vmm_set_ctx(uint64_t *page_map);
void *kernel_allocate_memory(uint64_t size, uint64_t flags);
void kernel_map_pages(void *phys_addr, uint64_t size, uint64_t flags);
void kernel_unmap_pages(void *addr, uint64_t size);
typedef char link_symbol_ptr[];