30 lines
1.4 KiB
C
30 lines
1.4 KiB
C
#ifndef _KERNEL_PLATFORM_X86_X86_64_VMM_MMU_H
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#define _KERNEL_PLATFORM_X86_X86_64_VMM_MMU_H
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#include <libkern/types.h>
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#include <mem/bits/mmu.h>
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// x86_64 uses one table to manage virtual space.
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#undef DOUBLE_TABLE_PAGING
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typedef uint64_t ptable_entity_t;
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typedef uint64_t arch_pf_info_t;
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ptable_entity_t vm_mmu_to_arch_flags(mmu_flags_t mmu_flags, ptable_lv_t lv);
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mmu_flags_t vm_arch_to_mmu_flags(ptable_entity_t* entity, ptable_lv_t lv);
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mmu_pf_info_flags_t vm_arch_parse_pf_info(arch_pf_info_t info);
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void vm_ptable_entity_set_default_flags(ptable_entity_t* entity, ptable_lv_t lv);
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void vm_ptable_entity_allocated(ptable_entity_t* entity, ptable_lv_t lv);
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void vm_ptable_entity_invalidate(ptable_entity_t* entity, ptable_lv_t lv);
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void vm_ptable_entity_set_mmu_flags(ptable_entity_t* entity, ptable_lv_t lv, mmu_flags_t mmu_flags);
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void vm_ptable_entity_rm_mmu_flags(ptable_entity_t* entity, ptable_lv_t lv, mmu_flags_t mmu_flags);
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void vm_ptable_entity_set_frame(ptable_entity_t* entity, ptable_lv_t lv, uintptr_t frame);
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uintptr_t vm_ptable_entity_get_frame(ptable_entity_t* entity, ptable_lv_t lv);
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ptable_state_t vm_ptable_entity_state(ptable_entity_t* entity, ptable_lv_t lv);
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bool vm_ptable_entity_is_present(ptable_entity_t* entity, ptable_lv_t lv);
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bool vm_ptable_entity_is_only_allocated(ptable_entity_t* entity, ptable_lv_t lv);
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#endif // _KERNEL_PLATFORM_X86_X86_64_VMM_MMU_H
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