9090311a06
With this patch, the register contents of a paused thread (which is not currently executing a syscall) can get modified by the 'Cpu_session::state()' function. Fixes #896.
63 lines
1.4 KiB
C++
63 lines
1.4 KiB
C++
/*
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* \brief Fiasco.OC pager framework
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* \author Stefan Kalkowski
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* \date 2011-09-08
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*
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* ARM specific parts, when handling cpu-exceptions.
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*/
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/*
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* Copyright (C) 2011-2013 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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/* Genode includes */
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#include <base/ipc_pager.h>
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void Genode::Ipc_pager::get_regs(Thread_state *state)
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{
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state->ip = _regs.pc;
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state->sp = _regs.sp;
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state->r0 = _regs.r[0];
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state->r1 = _regs.r[1];
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state->r2 = _regs.r[2];
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state->r3 = _regs.r[3];
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state->r4 = _regs.r[4];
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state->r5 = _regs.r[5];
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state->r6 = _regs.r[6];
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state->r7 = _regs.r[7];
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state->r8 = _regs.r[8];
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state->r9 = _regs.r[9];
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state->r10 = _regs.r[10];
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state->r11 = _regs.r[11];
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state->r12 = _regs.r[12];
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state->lr = _regs.ulr;
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state->cpsr = _regs.cpsr;
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}
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void Genode::Ipc_pager::set_regs(Thread_state state)
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{
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_regs.pc = state.ip;
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_regs.sp = state.sp;
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_regs.r[0] = state.r0;
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_regs.r[1] = state.r1;
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_regs.r[2] = state.r2;
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_regs.r[3] = state.r3;
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_regs.r[4] = state.r4;
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_regs.r[5] = state.r5;
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_regs.r[6] = state.r6;
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_regs.r[7] = state.r7;
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_regs.r[8] = state.r8;
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_regs.r[9] = state.r9;
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_regs.r[10] = state.r10;
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_regs.r[11] = state.r11;
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_regs.r[12] = state.r12;
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_regs.ulr = state.lr;
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_regs.cpsr = state.cpsr;
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}
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