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59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2014.
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This file is part of Sortix.
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Sortix is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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Sortix 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 General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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Sortix. If not, see <http://www.gnu.org/licenses/>.
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x64/memorymanagement.h
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Handles memory for the x64 architecture.
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*******************************************************************************/
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#ifndef SORTIX_X64_MEMORYMANAGEMENT_H
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#define SORTIX_X64_MEMORYMANAGEMENT_H
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namespace Sortix {
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namespace Memory {
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const size_t TOPPMLLEVEL = 4;
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const size_t ENTRIES = 4096UL / sizeof(addr_t);
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const size_t TRANSBITS = 9;
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PML* const PMLS[TOPPMLLEVEL + 1] =
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{
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(PML* const) 0x0,
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(PML* const) 0xFFFFFF8000000000UL,
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(PML* const) 0xFFFFFF7FC0000000UL,
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(PML* const) 0XFFFFFF7FBFE00000UL,
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(PML* const) 0xFFFFFF7FBFDFF000UL,
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};
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PML* const FORKPML = (PML* const) 0xFFFFFF0000000000UL;
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} // namespace Memory
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} // namespace Sortix
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namespace Sortix {
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namespace Page {
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addr_t* const STACK = (addr_t* const) 0xFFFFFE8000000000UL;
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const size_t MAXSTACKSIZE = (512UL*1024UL*1024UL*1024UL);
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const size_t MAXSTACKLENGTH = MAXSTACKSIZE / sizeof(addr_t);
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} // namespace Page
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} // namespace Sortix
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#endif
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