Mark
e0f0087ccc
Better protection of reserved memory regions, merged "pool" allocation functions into main memory manager
36 lines
1.0 KiB
C
36 lines
1.0 KiB
C
/** vim: set ft=cpp.doxygen :
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* @file sys/mm.h
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* @brief Virtual memory space management functions
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*/
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#pragma once
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#include <stddef.h>
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#include <stdint.h>
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#if defined(ARCH_AMD64)
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#include "arch/amd64/mm/mm.h"
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#endif
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struct process;
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/// An invalid address analogous to NULL
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#define MM_NADDR ((uintptr_t) -1)
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#define MM_CLONE_FLG_KERNEL (1 << 0)
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#define MM_CLONE_FLG_USER (1 << 1)
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#define userspace
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mm_space_t mm_space_create(void);
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int mm_space_clone(mm_space_t dst, const mm_space_t src, uint32_t flags);
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int mm_space_fork(struct process *dst, const struct process *src, uint32_t flags);
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void mm_space_release(struct process *proc);
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void mm_space_free(struct process *proc);
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void mm_describe(const mm_space_t pd);
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int mm_map_single(mm_space_t pd, uintptr_t virt_page, uintptr_t phys_page, uint64_t flags);
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uintptr_t mm_umap_single(mm_space_t pd, uintptr_t virt_page, uint32_t size);
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uintptr_t mm_map_get(mm_space_t pd, uintptr_t virt, uint64_t *rflags);
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void userptr_check(const void *ptr);
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