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52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
/******************************************************************************
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COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
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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
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with Sortix. If not, see <http://www.gnu.org/licenses/>.
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x64/scheduler.cpp
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CPU specific things related to the scheduler.
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******************************************************************************/
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#include "platform.h"
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#include "scheduler.h"
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#include "../memorymanagement.h"
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#include "descriptor_tables.h"
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namespace Sortix
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{
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namespace Scheduler
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{
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const size_t KERNEL_STACK_SIZE = 256UL * 1024UL;
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const addr_t KERNEL_STACK_END = 0xFFFF800000001000UL;
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const addr_t KERNEL_STACK_START = KERNEL_STACK_END + KERNEL_STACK_SIZE;
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void InitCPU()
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{
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// TODO: Prevent the kernel heap and other stuff from accidentally
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// also allocating this virtual memory region!
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if ( !Memory::MapRangeKernel(KERNEL_STACK_END, KERNEL_STACK_SIZE) )
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{
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PanicF("could not create kernel stack (%zx to %zx)",
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KERNEL_STACK_END, KERNEL_STACK_START);
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}
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GDT::SetKernelStack((size_t*) KERNEL_STACK_START);
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}
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}
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}
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