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[/] [openrisc/] [tags/] [or1ksim/] [or1ksim-0.4.0rc2/] [debug/] [debug-unit.h] - Rev 169
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/* debug-unit.h -- Simulation of Or1k debug unit Copyright (C) 2001 Chris Ziomkowski, chris@asics.ws Copyright (C) 2008 Embecosm Limited Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> This file is part of Or1ksim, the 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. */ #ifndef DEBUG_UNIT__H #define DEBUG_UNIT__H /*! The possible debug unit actions */ enum debug_unit_action { DebugInstructionFetch = 1, DebugLoadAddress = 2, DebugStoreAddress = 3, DebugLoadData = 4, DebugStoreData = 5 }; /*! Enumeration of the various JTAG scan chains. Only those actually implemented are specified. */ enum debug_scan_chain_ids { JTAG_CHAIN_GLOBAL = 0, JTAG_CHAIN_DEBUG_UNIT = 1, JTAG_CHAIN_TRACE = 3, JTAG_CHAIN_DEVELOPMENT = 4, JTAG_CHAIN_WISHBONE = 5, }; /* Function prototypes for external use */ extern void du_reset (); extern void set_stall_state (int state); extern int check_debug_unit (enum debug_unit_action action, unsigned long udata); extern int debug_get_register (oraddr_t address, uorreg_t *data); extern int debug_set_register (oraddr_t address, uorreg_t data); extern int debug_set_chain (enum debug_scan_chain_ids chain); extern int debug_ignore_exception (unsigned long except); extern void reg_debug_sec (); #endif /* DEBUG_UNIT__H */
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