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Matheus
26 lines
789 B
C
26 lines
789 B
C
#ifndef _MMU_H_INCLUDE
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#define _MMU_H_INCLUDE
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#include <stdbool.h>
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#include <stdint.h>
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#include <stddef.h>
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#define PAGE_SIZE 4096
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#define ARCH_MMU_FLAG_READ (uint64_t)1
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#define ARCH_MMU_FLAG_WRITE (uint64_t)2
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#define ARCH_MMU_FLAG_USER (uint64_t)4
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#define ARCH_MMU_FLAG_NOEXEC ((uint64_t)1 << 63)
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typedef uint64_t mmuflags_t;
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typedef uint64_t * pagetableptr_t; // physical address
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bool arch_mmu_map(pagetableptr_t table, void *paddr, void *vaddr, mmuflags_t flags);
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void arch_mmu_invalidate(void *vaddr);
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void arch_mmu_unmap(pagetableptr_t table, void *vaddr);
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void arch_mmu_remap(pagetableptr_t table, void *paddr, void *vaddr, mmuflags_t flags);
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void arch_mmu_switch(pagetableptr_t table);
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void *arch_mmu_getphysical(pagetableptr_t table, void *vaddr);
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void arch_mmu_init();
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#endif
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