38 lines
728 B
C++
38 lines
728 B
C++
/*
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* \brief 64-bit Task State Segment (TSS)
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* \author Adrian-Ken Rueegsegger
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* \author Reto Buerki
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* \date 2015-02-21
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*/
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/*
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* Copyright (C) 2015 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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/* core includes */
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#include <mtc_util.h>
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#include <tss.h>
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using namespace Genode;
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extern int _mt_kernel_interrupt_stack;
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void Tss::setup(addr_t const virt_base)
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{
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addr_t const stack_addr =
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_virt_mtc_addr(virt_base, (addr_t)&_mt_kernel_interrupt_stack);
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this->rsp0 = stack_addr;
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this->rsp1 = stack_addr;
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this->rsp2 = stack_addr;
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}
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void Tss::load()
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{
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asm volatile ("ltr %w0" : : "r" (TSS_SELECTOR));
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}
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