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75 lines
1.8 KiB
C++
75 lines
1.8 KiB
C++
/******************************************************************************
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COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
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This file is part of LibMaxsi.
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LibMaxsi is free software: you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by the Free
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Software Foundation, either version 3 of the License, or (at your option)
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any later version.
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LibMaxsi is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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more details.
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You should have received a copy of the GNU Lesser General Public License
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along with LibMaxsi. If not, see <http://www.gnu.org/licenses/>.
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memory.cpp
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Useful functions for manipulating and handling memory.
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******************************************************************************/
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#include "platform.h"
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#include "memory.h"
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#include "error.h"
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#ifndef SORTIX_KERNEL
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#include "syscall.h"
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#endif
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namespace Maxsi
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{
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namespace Memory
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{
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#ifndef SORTIX_KERNEL
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DEFN_SYSCALL2(int, SysMemStat, SYSCALL_MEMSTAT, size_t*, size_t*);
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DEFN_SYSCALL1(void*, SysSbrk, SYSCALL_SBRK, intptr_t);
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extern "C" int memstat(size_t* memused, size_t* memtotal)
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{
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return SysMemStat(memused, memtotal);
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}
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extern "C" void* sbrk(intptr_t increment)
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{
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return SysSbrk(increment);
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}
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#endif
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DUAL_FUNCTION(void*, memcpy, Copy, (void* Dest, const void* Src, size_t Length))
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{
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char* D = (char*) Dest; const char* S = (const char*) Src;
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for ( size_t I = 0; I < Length; I++ )
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{
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D[I] = S[I];
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}
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return Dest;
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}
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DUAL_FUNCTION(void*, memset, Set, (void* Dest, int Value, size_t Length))
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{
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byte* D = (byte*) Dest;
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for ( size_t I = 0; I < Length; I++ )
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{
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D[I] = Value & 0xFF;
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}
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return Dest;
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}
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}
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}
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