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