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[/] [openrisc/] [trunk/] [or1ksim/] [pm/] [pm.c] - Rev 412
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/* pm.c -- Simulation of OpenRISC 1000 power management Copyright (C) 1999 Damjan Lampret, lampret@opencores.org Copyright (C) 2008 Embecosm Limited Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> This file is part of OpenRISC 1000 Architectural Simulator. 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 the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ /* This program is commented throughout in a fashion suitable for processing with Doxygen. */ /* Autoconf and/or portability configuration */ #include "config.h" /* Package includes */ #include "spr-defs.h" #include "execute.h" #include "sim-config.h" /*---------------------------------------------------------------------------*/ /*!Reset power management Initializes PMR register by clearing it. */ /*---------------------------------------------------------------------------*/ void pm_reset () { if (config.sim.verbose) { PRINTF ("Resetting Power Management.\n"); } cpu_state.sprs[SPR_PMR] = 0; } /* pm_reset() */ /*---------------------------------------------------------------------------*/ /*!Enable or disable power management Set the corresponding field in the UPR @param[in] val The value to use @param[in] dat The config data structure (not used here) */ /*---------------------------------------------------------------------------*/ static void pm_enabled (union param_val val, void *dat) { if (val.int_val) { cpu_state.sprs[SPR_UPR] |= SPR_UPR_PMP; } else { cpu_state.sprs[SPR_UPR] &= ~SPR_UPR_PMP; } config.pm.enabled = val.int_val; } /* pm_enabled() */ /*---------------------------------------------------------------------------*/ /*!Set up a new power management configuration section */ /*---------------------------------------------------------------------------*/ void reg_pm_sec () { struct config_section *sec = reg_config_sec ("pm", NULL, NULL); reg_config_param (sec, "enabled", PARAMT_INT, pm_enabled); } /* reg_pm_sec() */
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