root / target-alpha / op.c @ f18cd223
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/*
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* Alpha emulation cpu micro-operations for qemu.
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*
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* Copyright (c) 2007 Jocelyn Mayer
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#define DEBUG_OP
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#include "config.h" |
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#include "exec.h" |
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#include "host-utils.h" |
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#include "op_helper.h" |
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/* Debug stuff */
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void OPPROTO op_no_op (void) |
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{
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#if !defined (DEBUG_OP)
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__asm__ __volatile__("nop" : : : "memory"); |
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#endif
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RETURN(); |
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} |
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/* Load and stores */
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#define MEMSUFFIX _raw
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#include "op_mem.h" |
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#if !defined(CONFIG_USER_ONLY)
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#define MEMSUFFIX _kernel
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#include "op_mem.h" |
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#define MEMSUFFIX _executive
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#include "op_mem.h" |
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#define MEMSUFFIX _supervisor
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#include "op_mem.h" |
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#define MEMSUFFIX _user
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#include "op_mem.h" |
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/* This is used for pal modes */
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#define MEMSUFFIX _data
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#include "op_mem.h" |
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#endif
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/* PALcode support special instructions */
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#if !defined (CONFIG_USER_ONLY)
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void OPPROTO op_hw_rei (void) |
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{
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env->pc = env->ipr[IPR_EXC_ADDR] & ~3;
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env->ipr[IPR_EXC_ADDR] = env->ipr[IPR_EXC_ADDR] & 1;
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/* XXX: re-enable interrupts and memory mapping */
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RETURN(); |
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} |
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void OPPROTO op_hw_ret (void) |
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{
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env->pc = T0 & ~3;
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env->ipr[IPR_EXC_ADDR] = T0 & 1;
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/* XXX: re-enable interrupts and memory mapping */
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RETURN(); |
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} |
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void OPPROTO op_mfpr (void) |
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{
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helper_mfpr(PARAM(1));
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RETURN(); |
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} |
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void OPPROTO op_mtpr (void) |
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{
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helper_mtpr(PARAM(1));
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RETURN(); |
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} |
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void OPPROTO op_set_alt_mode (void) |
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{
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env->saved_mode = env->ps & 0xC;
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env->ps = (env->ps & ~0xC) | (env->ipr[IPR_ALT_MODE] & 0xC); |
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RETURN(); |
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} |
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void OPPROTO op_restore_mode (void) |
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{
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env->ps = (env->ps & ~0xC) | env->saved_mode;
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RETURN(); |
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} |
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void OPPROTO op_ld_phys_to_virt (void) |
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{
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helper_ld_phys_to_virt(); |
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RETURN(); |
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} |
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void OPPROTO op_st_phys_to_virt (void) |
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{
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helper_st_phys_to_virt(); |
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RETURN(); |
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} |
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#endif /* !defined (CONFIG_USER_ONLY) */ |