mirror of https://github.com/PCSX2/pcsx2.git
58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
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/* Pcsx2 - Pc Ps2 Emulator
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* Copyright (C) 2002-2009 Pcsx2 Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#pragma once
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enum PageProtectionMode
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{
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Protect_NoAccess = 0,
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Protect_ReadOnly,
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Protect_ReadWrite
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};
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//////////////////////////////////////////////////////////////////////////////////////////
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// HostSys - Namespace housing general system-level implementations relating to loading
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// plugins and allocating memory. For now, these functions are all accessed via Sys*
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// versions defined in System.h/cpp.
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//
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namespace HostSys
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{
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// Maps a block of memory for use as a recompiled code buffer.
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// The allocated block has code execution privileges.
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// Returns NULL on allocation failure.
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extern void *Mmap(uptr base, u32 size);
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// Unmaps a block allocated by SysMmap
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extern void Munmap(uptr base, u32 size);
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extern void MemProtect( void* baseaddr, size_t size, PageProtectionMode mode, bool allowExecution=false );
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static __forceinline void Munmap( void* base, u32 size )
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{
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Munmap( (uptr)base, size );
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}
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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extern void InitCPUTicks();
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extern u64 GetTickFrequency();
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extern u64 GetCPUTicks();
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