69 lines
2.9 KiB
C
69 lines
2.9 KiB
C
/*
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* This file is part of the COMROGUE Operating System for Raspberry Pi
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*
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* Copyright (c) 2013, Eric J. Bowersox / Erbosoft Enterprises
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* All rights reserved.
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*
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* This program is free for commercial and non-commercial use as long as the following conditions are
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* adhered to.
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*
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* Copyright in this file remains Eric J. Bowersox and/or Erbosoft, and as such any copyright notices
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* in the code are not to be removed.
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*
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* Redistribution and use in source and binary forms, with or without modification, are permitted
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* provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this list of conditions and
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* the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
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* the following disclaimer in the documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* "Raspberry Pi" is a trademark of the Raspberry Pi Foundation.
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*/
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#ifndef __MEMMGR_H_INCLUDED
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#define __MEMMGR_H_INCLUDED
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#ifdef __COMROGUE_INTERNALS__
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#ifndef __ASM__
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#include <comrogue/types.h>
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#include <comrogue/compiler_macros.h>
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#include <comrogue/internals/mmu.h>
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#include <comrogue/internals/startup.h>
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CDECL_BEGIN
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/* Kernel address space functions */
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extern KERNADDR _MmAllocKernelAddr(UINT32 cpgNeeded);
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extern void _MmFreeKernelAddr(KERNADDR kaBase, UINT32 cpgToFree);
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/* Page mapping functions */
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extern PHYSADDR MmGetPhysAddr(PTTB pTTB, KERNADDR vma);
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extern HRESULT MmDemapPages(PTTB pTTB, PTTBAUX pTTBAux, KERNADDR vmaBase, UINT32 cpg);
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extern HRESULT MmMapPages(PTTB pTTB, PTTBAUX pTTBAux, PHYSADDR paBase, KERNADDR vmaBase, UINT32 cpg,
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UINT32 uiTableFlags, UINT32 uiPageFlags, UINT32 uiAuxFlags);
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extern HRESULT MmMapKernelPages(PTTB pTTB, PTTBAUX pTTBAux, PHYSADDR paBase, UINT32 cpg, UINT32 uiTableFlags,
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UINT32 uiPageFlags, UINT32 uiAuxFlags, PKERNADDR pvmaLocation);
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extern HRESULT MmDemapKernelPages(PTTB pTTB, PTTBAUX pTTBAux, KERNADDR vmaBase, UINT32 cpg);
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/* Initialization functions only */
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extern void _MmInit(PSTARTUP_INFO pstartup);
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CDECL_END
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#endif /* __ASM__ */
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#endif /* __COMROGUE_INTERNALS__ */
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#endif /* __MEMMGR_H_INCLUDED */
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