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37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
/**
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* @file virtmem.h
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* @brief Virtual memory mapping utilities
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* @author plutoo
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* @copyright libnx Authors
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*/
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#pragma once
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#include "../types.h"
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/**
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* @brief Reserves a slice of general purpose address space.
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* @param size The size of the slice of address space that will be reserved (rounded up to page alignment).
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* @return Pointer to the slice of address space, or NULL on failure.
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*/
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void* virtmemReserve(size_t size);
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/**
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* @brief Relinquishes a slice of address space reserved with virtmemReserve (currently no-op).
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* @param addr Pointer to the slice.
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* @param size Size of the slice.
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*/
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void virtmemFree(void* addr, size_t size);
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/**
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* @brief Reserves a slice of address space inside the alias memory mapping region(s) (for use with svcMapMemory).
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* @param size The size of the slice of address space that will be reserved (rounded up to page alignment).
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* @return Pointer to the slice of address space, or NULL on failure.
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*/
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void* virtmemReserveMap(size_t size);
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/**
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* @brief Relinquishes a slice of address space reserved with virtmemReserveMap (currently no-op).
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* @param addr Pointer to the slice.
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* @param size Size of the slice.
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*/
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void virtmemFreeMap(void* addr, size_t size);
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