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os-k/include/mm/palloc.h

59 lines
2.7 KiB
C

//----------------------------------------------------------------------------//
// GNU GPL OS/K //
// //
// Desc: Page allocator related functions //
// //
// //
// Copyright © 2018-2020 The OS/K Team //
// //
// This file is part of OS/K. //
// //
// OS/K is free software: you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation, either version 3 of the License, or //
// any later version. //
// //
// OS/K is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY//without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
//----------------------------------------------------------------------------//
#ifndef _KERNEL_H
#include <kernel.h>
#endif
#ifndef _MM_PALLOC_H
#define _MM_PALLOC_H
//----------------------------------------------------------------------------//
typedef struct AllocatedPage_t{
void *phyAddressBegin;
void *phyAddressEnd;
ulong id;
struct AllocatedPage_t *next;
} AllocatedPage_t;
#define CONTIGUOUS true
#define NORMAL false
//----------------------------------------------------------------------------//
ulong MmAllocPageFrameEx(void ***frameListPtr, size_t *pageNumber, size_t size, bool contiguous);
ulong MmAllocPageFrame(size_t size, bool contiguous);
void MmFreePageFrame(ulong id);
ulong MmGetBusyPageSize(void);
ulong MmGetTotalPageSize(void);
error_t MmMapPageFrame(ulong id, void *virtAddr, ulong flags);
error_t MmUnmapPageFrame(ulong id);
//----------------------------------------------------------------------------//
#endif