/* pm.c -- Simulation of OpenRISC 1000 power management
|
/* pm.c -- Simulation of OpenRISC 1000 power management
|
Copyright (C) 1999 Damjan Lampret, lampret@opencores.org
|
Copyright (C) 1999 Damjan Lampret, lampret@opencores.org
|
|
|
This file is part of OpenRISC 1000 Architectural Simulator.
|
This file is part of OpenRISC 1000 Architectural Simulator.
|
|
|
This program is free software; you can redistribute it and/or modify
|
This program is free software; you can redistribute it and/or modify
|
it under the terms of the GNU General Public License as published by
|
it under the terms of the GNU General Public License as published by
|
the Free Software Foundation; either version 2 of the License, or
|
the Free Software Foundation; either version 2 of the License, or
|
(at your option) any later version.
|
(at your option) any later version.
|
|
|
This program is distributed in the hope that it will be useful,
|
This program is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program; if not, write to the Free Software
|
along with this program; if not, write to the Free Software
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
|
|
/* This is functional simulation of OpenRISC 1000 architectural
|
/* This is functional simulation of OpenRISC 1000 architectural
|
power management.
|
power management.
|
*/
|
*/
|
|
|
#include <stdlib.h>
|
#include <stdlib.h>
|
#include <stdio.h>
|
#include <stdio.h>
|
#include <string.h>
|
#include <string.h>
|
|
|
#include "config.h"
|
#include "config.h"
|
|
|
#ifdef HAVE_INTTYPES_H
|
#ifdef HAVE_INTTYPES_H
|
#include <inttypes.h>
|
#include <inttypes.h>
|
#endif
|
#endif
|
|
|
#include "port.h"
|
#include "port.h"
|
#include "arch.h"
|
#include "arch.h"
|
#include "abstract.h"
|
#include "abstract.h"
|
#include "pm.h"
|
#include "pm.h"
|
#include "opcode/or32.h"
|
#include "opcode/or32.h"
|
#include "spr_defs.h"
|
#include "spr_defs.h"
|
#include "execute.h"
|
#include "execute.h"
|
#include "sprs.h"
|
#include "sprs.h"
|
|
|
extern int cont_run;
|
extern int cont_run;
|
|
|
/* Reset. It initializes PMR register. */
|
/* Reset. It initializes PMR register. */
|
void pm_reset()
|
void pm_reset()
|
{
|
{
|
if (config.sim.verbose) PRINTF("Resetting Power Management.\n");
|
if (config.sim.verbose) PRINTF("Resetting Power Management.\n");
|
mtspr(SPR_PMR, 0);
|
mtspr(SPR_PMR, 0);
|
}
|
}
|
|
|
/*-----------------------------------------------------[ PM Configuration ]---*/
|
/*-----------------------------------------------------[ PM Configuration ]---*/
|
void pm_enabled(union param_val val, void *dat)
|
void pm_enabled(union param_val val, void *dat)
|
{
|
{
|
config.pm.enabled = val.int_val;
|
config.pm.enabled = val.int_val;
|
}
|
}
|
|
|
void reg_pm_sec(void)
|
void reg_pm_sec(void)
|
{
|
{
|
struct config_section *sec = reg_config_sec("pm", NULL, NULL);
|
struct config_section *sec = reg_config_sec("pm", NULL, NULL);
|
|
|
reg_config_param(sec, "enabled", paramt_int, pm_enabled);
|
reg_config_param(sec, "enabled", paramt_int, pm_enabled);
|
}
|
}
|
|
|