66 lines
1.3 KiB
C++
66 lines
1.3 KiB
C++
/*
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* \brief CPU specific implementations of core
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* \author Sebastian Sumpf
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* \date 2015-06-02
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*/
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/*
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* Copyright (C) 2015-2016 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 <kernel/thread.h>
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#include <kernel/pd.h>
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#include <kernel/kernel.h>
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using namespace Kernel;
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/*************************
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** Kernel::Thread_base **
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*************************/
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Thread_base::Thread_base(Thread * const t)
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:
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_fault(t),
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_fault_pd(0),
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_fault_addr(0),
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_fault_writes(0),
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_fault_signal(0)
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{ }
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/*************************
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** Kernel::Cpu_context **
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*************************/
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void Kernel::Cpu_context::_init(size_t const stack_size, addr_t const table)
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{
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/*
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* the stack pointer already contains the stack base address
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* of all CPU's kernel stacks, on this uni-processor platform
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* it is sufficient to increase it by the stack's size
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*/
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sp = sp + stack_size;
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}
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/*************************
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** CPU-state utilities **
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*************************/
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typedef Thread_reg_id Reg_id;
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static addr_t const _cpu_state_regs[] = { };
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addr_t const * cpu_state_regs() { return _cpu_state_regs; }
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size_t cpu_state_regs_length()
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{
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return sizeof(_cpu_state_regs)/sizeof(_cpu_state_regs[0]);
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}
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