| 1 | /* |
| 2 | * ========== Copyright Header Begin ========================================== |
| 3 | * |
| 4 | * OpenSPARC T2 Processor File: magictraps.h |
| 5 | * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. |
| 6 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. |
| 7 | * |
| 8 | * The above named program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public |
| 10 | * License version 2 as published by the Free Software Foundation. |
| 11 | * |
| 12 | * The above named program is distributed in the hope that it will be |
| 13 | * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public |
| 18 | * License along with this work; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. |
| 20 | * |
| 21 | * ========== Copyright Header End ============================================ |
| 22 | */ |
| 23 | /* |
| 24 | * Copyright 2006 Sun Microsystems, Inc. All rights reserved. |
| 25 | * Use is subject to license terms. |
| 26 | */ |
| 27 | |
| 28 | #ifndef _MAGICTRAPS_H |
| 29 | #define _MAGICTRAPS_H |
| 30 | |
| 31 | #pragma ident "@(#)magictraps.h 1.4 06/10/27 SMI" |
| 32 | |
| 33 | #ifdef __cplusplus |
| 34 | extern "C" { |
| 35 | #endif |
| 36 | |
| 37 | #if ENABLE_MAGIC_TRAPS /* { */ |
| 38 | |
| 39 | #define MAGIC_TRAP_SETDBG 0x70 |
| 40 | #define MAGIC_TRAP_SIMEXIT 0x71 |
| 41 | #define MAGIC_TRAP_GOT_HERE 0x72 |
| 42 | #define MAGIC_TRAP_LOG_DUMP 0x74 |
| 43 | #define MAGIC_TRAP_PABCOPY 0x75 |
| 44 | #define MAGIC_TRAP_INST_CNT 0x76 |
| 45 | #define MAGIC_TRAP_ALLDBG 0x77 |
| 46 | #define MAGIC_TRAP_NO_DBG 0x78 |
| 47 | #define MAGIC_TRAP_SAVE_STATE 0x79 |
| 48 | |
| 49 | #define MAGIC_TRAP_START 0x70 |
| 50 | #define MAGIC_TRAP_END 0x79 |
| 51 | |
| 52 | /* Bits in %o0 for MAGIC_TRAP_INST_CNT: */ |
| 53 | #define MT_INST_CNT_SET_PREV 1LL /* Set previous count from ICOUNT */ |
| 54 | #define MT_INST_CNT_PRINT 2LL /* Print current and delta counts */ |
| 55 | |
| 56 | extern bool_t ss_magic_trap(simcpu_t *, uint32_t); |
| 57 | |
| 58 | /* |
| 59 | * Test the value of the condition code field for |
| 60 | * magic traps - '== 0' for %icc, '!= 0' for %xcc or |
| 61 | * '(true)' for don't care. |
| 62 | */ |
| 63 | #define SS_MAGIC_TRAP_CC(_cc) ((_cc) != 0) |
| 64 | |
| 65 | /* |
| 66 | * Main trap number test, including overall enable. |
| 67 | * Final filtering is done in ss_magic_trap() which |
| 68 | * also performs the magic function requested. |
| 69 | */ |
| 70 | #define SS_MAGIC_TRAP(_sp, _tt) (options.magic_traps && \ |
| 71 | (_tt) >= MAGIC_TRAP_START && (_tt) <= MAGIC_TRAP_END && \ |
| 72 | ss_magic_trap((_sp), (_tt))) |
| 73 | |
| 74 | #else /* } { */ |
| 75 | |
| 76 | #define SS_MAGIC_TRAP_CC(_cc) (false) |
| 77 | #define SS_MAGIC_TRAP(_sp, _tt) (false) |
| 78 | |
| 79 | #endif /* } */ |
| 80 | |
| 81 | #ifdef __cplusplus |
| 82 | } |
| 83 | #endif |
| 84 | |
| 85 | #endif /* _MAGICTRAPS_H */ |