projects / OpenSPARC-T2-SAM / blame
| Commit | Line | Data |
|---|---|---|
| 920dae64 AT |
1 | /* |
| 2 | * ========== Copyright Header Begin ========================================== | |
| 3 | * | |
| 4 | * OpenSPARC T2 Processor File: breakpoint.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 2007 Sun Microsystems, Inc. All rights reserved. | |
| 25 | * Use is subject to license terms. | |
| 26 | */ | |
| 27 | ||
| 28 | #ifndef _BREAKPOINT_H_ | |
| 29 | #define _BREAKPOINT_H_ | |
| 30 | ||
| 31 | #pragma ident "@(#)breakpoint.h 1.7 07/05/30 SMI" | |
| 32 | ||
| 33 | #ifdef __cplusplus | |
| 34 | extern "C" { | |
| 35 | #endif | |
| 36 | ||
| 37 | #define BREAK_HASH_BITS 4 | |
| 38 | #define BREAK_HASH_SIZE (1<<BREAK_HASH_BITS) | |
| 39 | #define BREAK_HASH_MASK (BREAK_HASH_SIZE-1) | |
| 40 | ||
| 41 | ||
| 42 | struct BP_INFO { | |
| 43 | breakpoint_t *hash[BREAK_HASH_SIZE]; | |
| 44 | ||
| 45 | int next_id; | |
| 46 | breakpoint_t *free_listp; | |
| 47 | int active_count; | |
| 48 | breakpoint_t *active_listp; | |
| 49 | int disabled_count; | |
| 50 | breakpoint_t *disabled_listp; | |
| 51 | ||
| 52 | int do_step; | |
| 53 | int on_this; | |
| 54 | }; | |
| 55 | ||
| 56 | struct BREAKPOINT { | |
| 57 | uint64_t pc; | |
| 58 | uint32_t context; | |
| 59 | bool_t enabled; | |
| 60 | bool_t first_strike; | |
| 61 | int id; | |
| 62 | breakpoint_t *free_nextp; | |
| 63 | breakpoint_t *active_nextp; | |
| 64 | breakpoint_t *disabled_nextp; | |
| 65 | breakpoint_t *hash_nextp; | |
| 66 | }; | |
| 67 | ||
| 68 | ||
| 69 | /* | |
| 70 | * for the moment use a global to indicate system wide | |
| 71 | * breakpoints ... will go away when we define multiple | |
| 72 | * systems. | |
| 73 | */ | |
| 74 | ||
| 75 | typedef enum { | |
| 76 | NOTHING, ON_BREAKPOINT | |
| 77 | } breakpoint_check_code_t; | |
| 78 | ||
| 79 | ||
| 80 | /* | |
| 81 | * FIXME: eventually blaze will understand different | |
| 82 | * MMU translation contexts - ultimately this will | |
| 83 | * morph into thread ids .... so we can properly | |
| 84 | * debug this stuff .. | |
| 85 | */ | |
| 86 | #define DEFAULT_BP_CONTEXT 0 | |
| 87 | ||
| 88 | ||
| 89 | /* | |
| 90 | * FIXME - need to decide if breakpoints are global | |
| 91 | * or isolated to certian cpus, or both ? | |
| 92 | */ | |
| 93 | ||
| 94 | extern bp_info_t *system_breakpointsp; | |
| 95 | ||
| 96 | ||
| 97 | /* Internal breakpoint manipulation interface */ | |
| 98 | extern bp_info_t *breakpoint_init(); | |
| 99 | extern breakpoint_t *breakpoint_insert(bp_info_t *bip, tvaddr_t pc, | |
| 100 | int context); | |
| 101 | extern void breakpoint_insert_next(bp_info_t *bip); | |
| 102 | extern void breakpoint_clear_next(bp_info_t *bip); | |
| 103 | extern int breakpoint_delete_by_id(bp_info_t *bip, int id); | |
| 104 | extern breakpoint_t *breakpoint_find_by_addr(bp_info_t *bip, uint64_t addr, | |
| 105 | int context); | |
| 106 | extern int breakpoint_delete_by_addr(bp_info_t *bip, uint64_t addr, | |
| 107 | int context); | |
| 108 | extern int breakpoint_disable_by_id(bp_info_t *bip, int id); | |
| 109 | extern int breakpoint_enable_by_id(bp_info_t *bip, int id); | |
| 110 | extern bool_t breakpoint_any_reached(void); | |
| 111 | ||
| 112 | ||
| 113 | ||
| 114 | ||
| 115 | /* Blaze UI calls for breakpoint stuff */ | |
| 116 | extern bool_t breakpoint_parse_command(bp_info_t *bip, char *args, | |
| 117 | char *stage_name /* default: NULL */); | |
| 118 | extern void breakpoint_print(bp_info_t *); | |
| 119 | extern bool_t breakpoint_dump(bp_info_t *, FILE *); | |
| 120 | extern bool_t breakpoint_restore(bp_info_t *, FILE *); | |
| 121 | ||
| 122 | extern breakpoint_check_code_t breakpoint_check(bp_info_t *bip, uint64_t pc, | |
| 123 | int context, breakpoint_t **bpp); | |
| 124 | ||
| 125 | ||
| 126 | #ifdef __cplusplus | |
| 127 | } | |
| 128 | #endif | |
| 129 | ||
| 130 | #endif /* !_BREAKPOINT_H_ */ |