mirror of https://github.com/PCSX2/pcsx2.git
52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
/* PCSX2 - PS2 Emulator for PCs
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* Copyright (C) 2002-2009 PCSX2 Dev Team
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*
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* PCSX2 is free software: you can redistribute it and/or modify it under the terms
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* of the GNU Lesser General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the 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 along with PCSX2.
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* If not, see <http://www.gnu.org/licenses/>.
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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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extern void Munmap( void* base, u32 size );
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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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