Uwe Hermann | 75f5107 | 2008-03-04 16:29:54 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the flashrom project. |
| 3 | * |
| 4 | * Copyright (C) 2005-2008 coresystems GmbH |
| 5 | * (Written by Stefan Reinauer <stepan@coresystems.de> for coresystems GmbH) |
Stefan Tauner | 949ccc8 | 2013-09-15 14:01:06 +0000 | [diff] [blame] | 6 | * Copyright (C) 2011-2013 Stefan Tauner |
Uwe Hermann | 75f5107 | 2008-03-04 16:29:54 +0000 | [diff] [blame] | 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; version 2 of the License. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
Uwe Hermann | 75f5107 | 2008-03-04 16:29:54 +0000 | [diff] [blame] | 16 | */ |
| 17 | |
Nico Huber | 70461a9 | 2019-06-15 14:56:19 +0200 | [diff] [blame] | 18 | #include <errno.h> |
Carl-Daniel Hailfinger | 831e8f4 | 2010-05-30 22:24:40 +0000 | [diff] [blame] | 19 | #include <stdio.h> |
Ollie Lho | 184a404 | 2005-11-26 21:55:36 +0000 | [diff] [blame] | 20 | #include <stdlib.h> |
| 21 | #include <string.h> |
Carl-Daniel Hailfinger | cb6ad16 | 2010-11-02 03:12:51 +0000 | [diff] [blame] | 22 | #include <limits.h> |
Uwe Hermann | 0846f89 | 2007-08-23 13:34:59 +0000 | [diff] [blame] | 23 | #include "flash.h" |
Carl-Daniel Hailfinger | 5b997c3 | 2010-07-27 22:41:39 +0000 | [diff] [blame] | 24 | #include "programmer.h" |
Nico Huber | 3a9939b | 2016-04-27 15:56:14 +0200 | [diff] [blame] | 25 | #include "layout.h" |
Ollie Lho | 184a404 | 2005-11-26 21:55:36 +0000 | [diff] [blame] | 26 | |
Jacob Garber | afc3ad6 | 2019-06-24 16:05:28 -0600 | [diff] [blame] | 27 | static struct romentry entries[MAX_ROMLAYOUT]; |
Nico Huber | 2b94cdb | 2019-06-15 18:19:26 +0200 | [diff] [blame] | 28 | static struct flashrom_layout global_layout = { entries, 0 }; |
Stefan Tauner | c70bc8a | 2013-08-30 22:22:57 +0000 | [diff] [blame] | 29 | |
Nico Huber | 305f417 | 2013-06-14 11:55:26 +0200 | [diff] [blame] | 30 | struct flashrom_layout *get_global_layout(void) |
Nico Huber | 3a9939b | 2016-04-27 15:56:14 +0200 | [diff] [blame] | 31 | { |
Nico Huber | 2b94cdb | 2019-06-15 18:19:26 +0200 | [diff] [blame] | 32 | return &global_layout; |
Nico Huber | 3a9939b | 2016-04-27 15:56:14 +0200 | [diff] [blame] | 33 | } |
| 34 | |
dhendrix | beaefe0 | 2017-09-03 18:06:53 -0700 | [diff] [blame] | 35 | const struct flashrom_layout *get_layout(const struct flashrom_flashctx *const flashctx) |
| 36 | { |
| 37 | if (flashctx->layout && flashctx->layout->num_entries) |
| 38 | return flashctx->layout; |
| 39 | else |
| 40 | return &flashctx->fallback_layout.base; |
| 41 | } |
| 42 | |
Nico Huber | 354766b | 2019-06-16 19:28:35 +0200 | [diff] [blame^] | 43 | static struct romentry *mutable_layout_next( |
| 44 | const struct flashrom_layout *const layout, struct romentry *iterator) |
| 45 | { |
| 46 | const struct romentry *const end = layout->entries + layout->num_entries; |
| 47 | |
| 48 | if (iterator) |
| 49 | ++iterator; |
| 50 | else |
| 51 | iterator = &layout->entries[0]; |
| 52 | |
| 53 | if (iterator < end) |
| 54 | return iterator; |
| 55 | return NULL; |
| 56 | } |
| 57 | |
Patrick Georgi | a9095a9 | 2010-09-30 17:03:32 +0000 | [diff] [blame] | 58 | #ifndef __LIBPAYLOAD__ |
Mark Marshall | f20b7be | 2014-05-09 21:16:21 +0000 | [diff] [blame] | 59 | int read_romlayout(const char *name) |
Ollie Lho | 184a404 | 2005-11-26 21:55:36 +0000 | [diff] [blame] | 60 | { |
Nico Huber | 2b94cdb | 2019-06-15 18:19:26 +0200 | [diff] [blame] | 61 | struct flashrom_layout *const layout = get_global_layout(); |
Ollie Lho | 184a404 | 2005-11-26 21:55:36 +0000 | [diff] [blame] | 62 | FILE *romlayout; |
Nico Huber | 70461a9 | 2019-06-15 14:56:19 +0200 | [diff] [blame] | 63 | char tempstr[256], tempname[256]; |
Nico Huber | 519be66 | 2018-12-23 20:03:35 +0100 | [diff] [blame] | 64 | unsigned int i; |
| 65 | int ret = 1; |
Ollie Lho | 184a404 | 2005-11-26 21:55:36 +0000 | [diff] [blame] | 66 | |
Uwe Hermann | a7e0548 | 2007-05-09 10:17:44 +0000 | [diff] [blame] | 67 | romlayout = fopen(name, "r"); |
| 68 | |
| 69 | if (!romlayout) { |
Carl-Daniel Hailfinger | 831e8f4 | 2010-05-30 22:24:40 +0000 | [diff] [blame] | 70 | msg_gerr("ERROR: Could not open ROM layout (%s).\n", |
Uwe Hermann | a7e0548 | 2007-05-09 10:17:44 +0000 | [diff] [blame] | 71 | name); |
Ollie Lho | 184a404 | 2005-11-26 21:55:36 +0000 | [diff] [blame] | 72 | return -1; |
| 73 | } |
Uwe Hermann | a7e0548 | 2007-05-09 10:17:44 +0000 | [diff] [blame] | 74 | |
| 75 | while (!feof(romlayout)) { |
Ollie Lho | 184a404 | 2005-11-26 21:55:36 +0000 | [diff] [blame] | 76 | char *tstr1, *tstr2; |
Carl-Daniel Hailfinger | da53ada | 2010-12-04 11:56:52 +0000 | [diff] [blame] | 77 | |
Nico Huber | 2b94cdb | 2019-06-15 18:19:26 +0200 | [diff] [blame] | 78 | if (layout->num_entries >= MAX_ROMLAYOUT) { |
Carl-Daniel Hailfinger | da53ada | 2010-12-04 11:56:52 +0000 | [diff] [blame] | 79 | msg_gerr("Maximum number of ROM images (%i) in layout " |
Louis Yung-Chieh Lo | 9bcf268 | 2011-12-25 09:12:16 +0000 | [diff] [blame] | 80 | "file reached.\n", MAX_ROMLAYOUT); |
Nico Huber | 70461a9 | 2019-06-15 14:56:19 +0200 | [diff] [blame] | 81 | goto _close_ret; |
Carl-Daniel Hailfinger | da53ada | 2010-12-04 11:56:52 +0000 | [diff] [blame] | 82 | } |
Nico Huber | 70461a9 | 2019-06-15 14:56:19 +0200 | [diff] [blame] | 83 | if (2 != fscanf(romlayout, "%255s %255s\n", tempstr, tempname)) |
Peter Stuge | 1fec0f3 | 2009-01-12 21:00:35 +0000 | [diff] [blame] | 84 | continue; |
Ollie Lho | 184a404 | 2005-11-26 21:55:36 +0000 | [diff] [blame] | 85 | #if 0 |
| 86 | // fscanf does not like arbitrary comments like that :( later |
Uwe Hermann | a7e0548 | 2007-05-09 10:17:44 +0000 | [diff] [blame] | 87 | if (tempstr[0] == '#') { |
Ollie Lho | 184a404 | 2005-11-26 21:55:36 +0000 | [diff] [blame] | 88 | continue; |
| 89 | } |
| 90 | #endif |
Uwe Hermann | a7e0548 | 2007-05-09 10:17:44 +0000 | [diff] [blame] | 91 | tstr1 = strtok(tempstr, ":"); |
| 92 | tstr2 = strtok(NULL, ":"); |
Uwe Hermann | 58783e3 | 2008-12-22 16:42:59 +0000 | [diff] [blame] | 93 | if (!tstr1 || !tstr2) { |
Stefan Tauner | eb58257 | 2012-09-21 12:52:50 +0000 | [diff] [blame] | 94 | msg_gerr("Error parsing layout file. Offending string: \"%s\"\n", tempstr); |
Nico Huber | 70461a9 | 2019-06-15 14:56:19 +0200 | [diff] [blame] | 95 | goto _close_ret; |
Uwe Hermann | 58783e3 | 2008-12-22 16:42:59 +0000 | [diff] [blame] | 96 | } |
Nico Huber | 2b94cdb | 2019-06-15 18:19:26 +0200 | [diff] [blame] | 97 | layout->entries[layout->num_entries].start = strtol(tstr1, (char **)NULL, 16); |
| 98 | layout->entries[layout->num_entries].end = strtol(tstr2, (char **)NULL, 16); |
Edward O'Callaghan | 405e72a | 2020-12-19 11:21:49 +1100 | [diff] [blame] | 99 | layout->entries[layout->num_entries].included = false; |
Nico Huber | 70461a9 | 2019-06-15 14:56:19 +0200 | [diff] [blame] | 100 | layout->entries[layout->num_entries].name = strdup(tempname); |
| 101 | if (!layout->entries[layout->num_entries].name) { |
| 102 | msg_gerr("Error adding layout entry: %s\n", strerror(errno)); |
| 103 | goto _close_ret; |
| 104 | } |
Nico Huber | 2b94cdb | 2019-06-15 18:19:26 +0200 | [diff] [blame] | 105 | layout->num_entries++; |
Ollie Lho | 184a404 | 2005-11-26 21:55:36 +0000 | [diff] [blame] | 106 | } |
Uwe Hermann | a7e0548 | 2007-05-09 10:17:44 +0000 | [diff] [blame] | 107 | |
Nico Huber | 2b94cdb | 2019-06-15 18:19:26 +0200 | [diff] [blame] | 108 | for (i = 0; i < layout->num_entries; i++) { |
Carl-Daniel Hailfinger | 831e8f4 | 2010-05-30 22:24:40 +0000 | [diff] [blame] | 109 | msg_gdbg("romlayout %08x - %08x named %s\n", |
Nico Huber | 2b94cdb | 2019-06-15 18:19:26 +0200 | [diff] [blame] | 110 | layout->entries[i].start, |
| 111 | layout->entries[i].end, layout->entries[i].name); |
Ollie Lho | 184a404 | 2005-11-26 21:55:36 +0000 | [diff] [blame] | 112 | } |
| 113 | |
Nico Huber | 70461a9 | 2019-06-15 14:56:19 +0200 | [diff] [blame] | 114 | ret = 0; |
Uwe Hermann | ffec5f3 | 2007-08-23 16:08:21 +0000 | [diff] [blame] | 115 | |
Nico Huber | 70461a9 | 2019-06-15 14:56:19 +0200 | [diff] [blame] | 116 | _close_ret: |
| 117 | (void)fclose(romlayout); |
| 118 | return ret; |
Ollie Lho | 184a404 | 2005-11-26 21:55:36 +0000 | [diff] [blame] | 119 | } |
Patrick Georgi | a9095a9 | 2010-09-30 17:03:32 +0000 | [diff] [blame] | 120 | #endif |
Ollie Lho | 184a404 | 2005-11-26 21:55:36 +0000 | [diff] [blame] | 121 | |
Louis Yung-Chieh Lo | 9bcf268 | 2011-12-25 09:12:16 +0000 | [diff] [blame] | 122 | /* register an include argument (-i) for later processing */ |
Arthur Heymans | b04fef9 | 2019-02-05 17:35:05 +0100 | [diff] [blame] | 123 | int register_include_arg(struct layout_include_args **args, char *name) |
Louis Yung-Chieh Lo | 9bcf268 | 2011-12-25 09:12:16 +0000 | [diff] [blame] | 124 | { |
Arthur Heymans | b04fef9 | 2019-02-05 17:35:05 +0100 | [diff] [blame] | 125 | struct layout_include_args *tmp; |
Louis Yung-Chieh Lo | 9bcf268 | 2011-12-25 09:12:16 +0000 | [diff] [blame] | 126 | if (name == NULL) { |
| 127 | msg_gerr("<NULL> is a bad region name.\n"); |
| 128 | return 1; |
| 129 | } |
| 130 | |
Arthur Heymans | b04fef9 | 2019-02-05 17:35:05 +0100 | [diff] [blame] | 131 | tmp = *args; |
| 132 | while (tmp) { |
| 133 | if (!strcmp(tmp->name, name)) { |
| 134 | msg_gerr("Duplicate region name: \"%s\".\n", name); |
| 135 | return 1; |
| 136 | } |
| 137 | tmp = tmp->next; |
| 138 | } |
| 139 | |
Angel Pons | 690a944 | 2021-06-07 12:33:53 +0200 | [diff] [blame] | 140 | tmp = malloc(sizeof(*tmp)); |
Arthur Heymans | b04fef9 | 2019-02-05 17:35:05 +0100 | [diff] [blame] | 141 | if (tmp == NULL) { |
Edward O'Callaghan | a31a572 | 2022-11-12 12:05:36 +1100 | [diff] [blame] | 142 | msg_gerr("Out of memory"); |
Stefan Tauner | 23bb6d5 | 2012-04-15 14:09:16 +0000 | [diff] [blame] | 143 | return 1; |
| 144 | } |
| 145 | |
Arthur Heymans | b04fef9 | 2019-02-05 17:35:05 +0100 | [diff] [blame] | 146 | tmp->name = name; |
| 147 | tmp->next = *args; |
| 148 | *args = tmp; |
| 149 | |
Louis Yung-Chieh Lo | 9bcf268 | 2011-12-25 09:12:16 +0000 | [diff] [blame] | 150 | return 0; |
| 151 | } |
| 152 | |
Arthur Heymans | 32b9f5c | 2019-02-05 16:14:55 +0100 | [diff] [blame] | 153 | /* returns -1 if an entry is not found, 0 if found. */ |
Nico Huber | 305f417 | 2013-06-14 11:55:26 +0200 | [diff] [blame] | 154 | static int find_romentry(struct flashrom_layout *const l, char *name) |
Ollie Lho | 184a404 | 2005-11-26 21:55:36 +0000 | [diff] [blame] | 155 | { |
Nico Huber | 305f417 | 2013-06-14 11:55:26 +0200 | [diff] [blame] | 156 | if (l->num_entries == 0) |
Uwe Hermann | a7e0548 | 2007-05-09 10:17:44 +0000 | [diff] [blame] | 157 | return -1; |
Ollie Lho | 184a404 | 2005-11-26 21:55:36 +0000 | [diff] [blame] | 158 | |
Louis Yung-Chieh Lo | 9bcf268 | 2011-12-25 09:12:16 +0000 | [diff] [blame] | 159 | msg_gspew("Looking for region \"%s\"... ", name); |
Arthur Heymans | 32b9f5c | 2019-02-05 16:14:55 +0100 | [diff] [blame] | 160 | if (flashrom_layout_include_region(l, name)) { |
| 161 | msg_gspew("not found.\n"); |
| 162 | return -1; |
Ollie Lho | 184a404 | 2005-11-26 21:55:36 +0000 | [diff] [blame] | 163 | } |
Arthur Heymans | 32b9f5c | 2019-02-05 16:14:55 +0100 | [diff] [blame] | 164 | msg_gspew("found.\n"); |
| 165 | return 0; |
Ollie Lho | 184a404 | 2005-11-26 21:55:36 +0000 | [diff] [blame] | 166 | } |
| 167 | |
Louis Yung-Chieh Lo | 9bcf268 | 2011-12-25 09:12:16 +0000 | [diff] [blame] | 168 | /* process -i arguments |
| 169 | * returns 0 to indicate success, >0 to indicate failure |
| 170 | */ |
Arthur Heymans | b04fef9 | 2019-02-05 17:35:05 +0100 | [diff] [blame] | 171 | int process_include_args(struct flashrom_layout *l, const struct layout_include_args *const args) |
Louis Yung-Chieh Lo | 9bcf268 | 2011-12-25 09:12:16 +0000 | [diff] [blame] | 172 | { |
Nico Huber | 519be66 | 2018-12-23 20:03:35 +0100 | [diff] [blame] | 173 | unsigned int found = 0; |
Arthur Heymans | b04fef9 | 2019-02-05 17:35:05 +0100 | [diff] [blame] | 174 | const struct layout_include_args *tmp; |
Louis Yung-Chieh Lo | 9bcf268 | 2011-12-25 09:12:16 +0000 | [diff] [blame] | 175 | |
Arthur Heymans | b04fef9 | 2019-02-05 17:35:05 +0100 | [diff] [blame] | 176 | if (args == NULL) |
Louis Yung-Chieh Lo | 9bcf268 | 2011-12-25 09:12:16 +0000 | [diff] [blame] | 177 | return 0; |
| 178 | |
Stefan Tauner | 23bb6d5 | 2012-04-15 14:09:16 +0000 | [diff] [blame] | 179 | /* User has specified an area, but no layout file is loaded. */ |
Nico Huber | 305f417 | 2013-06-14 11:55:26 +0200 | [diff] [blame] | 180 | if (l->num_entries == 0) { |
Stefan Tauner | 23bb6d5 | 2012-04-15 14:09:16 +0000 | [diff] [blame] | 181 | msg_gerr("Region requested (with -i \"%s\"), " |
| 182 | "but no layout data is available.\n", |
Arthur Heymans | b04fef9 | 2019-02-05 17:35:05 +0100 | [diff] [blame] | 183 | args->name); |
Stefan Tauner | 23bb6d5 | 2012-04-15 14:09:16 +0000 | [diff] [blame] | 184 | return 1; |
| 185 | } |
Louis Yung-Chieh Lo | 9bcf268 | 2011-12-25 09:12:16 +0000 | [diff] [blame] | 186 | |
Arthur Heymans | b04fef9 | 2019-02-05 17:35:05 +0100 | [diff] [blame] | 187 | tmp = args; |
| 188 | while (tmp) { |
| 189 | if (find_romentry(l, tmp->name) < 0) { |
Stefan Tauner | 23bb6d5 | 2012-04-15 14:09:16 +0000 | [diff] [blame] | 190 | msg_gerr("Invalid region specified: \"%s\".\n", |
Arthur Heymans | b04fef9 | 2019-02-05 17:35:05 +0100 | [diff] [blame] | 191 | tmp->name); |
Louis Yung-Chieh Lo | 9bcf268 | 2011-12-25 09:12:16 +0000 | [diff] [blame] | 192 | return 1; |
| 193 | } |
Arthur Heymans | b04fef9 | 2019-02-05 17:35:05 +0100 | [diff] [blame] | 194 | tmp = tmp->next; |
| 195 | found++; |
Louis Yung-Chieh Lo | 9bcf268 | 2011-12-25 09:12:16 +0000 | [diff] [blame] | 196 | } |
| 197 | |
Arthur Heymans | b04fef9 | 2019-02-05 17:35:05 +0100 | [diff] [blame] | 198 | msg_ginfo("Using region%s:", found > 1 ? "s" : ""); |
| 199 | tmp = args; |
| 200 | while (tmp) { |
| 201 | msg_ginfo(" \"%s\"%s", tmp->name, found > 1 ? "," : ""); |
| 202 | found--; |
| 203 | tmp = tmp->next; |
| 204 | } |
Louis Yung-Chieh Lo | 9bcf268 | 2011-12-25 09:12:16 +0000 | [diff] [blame] | 205 | msg_ginfo(".\n"); |
| 206 | return 0; |
| 207 | } |
| 208 | |
Arthur Heymans | b04fef9 | 2019-02-05 17:35:05 +0100 | [diff] [blame] | 209 | void layout_cleanup(struct layout_include_args **args) |
Stefan Tauner | 949ccc8 | 2013-09-15 14:01:06 +0000 | [diff] [blame] | 210 | { |
Nico Huber | 2b94cdb | 2019-06-15 18:19:26 +0200 | [diff] [blame] | 211 | struct flashrom_layout *const layout = get_global_layout(); |
Nico Huber | 519be66 | 2018-12-23 20:03:35 +0100 | [diff] [blame] | 212 | unsigned int i; |
Arthur Heymans | b04fef9 | 2019-02-05 17:35:05 +0100 | [diff] [blame] | 213 | struct layout_include_args *tmp; |
| 214 | |
| 215 | while (*args) { |
| 216 | tmp = (*args)->next; |
| 217 | free(*args); |
| 218 | *args = tmp; |
Stefan Tauner | 949ccc8 | 2013-09-15 14:01:06 +0000 | [diff] [blame] | 219 | } |
Stefan Tauner | 949ccc8 | 2013-09-15 14:01:06 +0000 | [diff] [blame] | 220 | |
Nico Huber | 2b94cdb | 2019-06-15 18:19:26 +0200 | [diff] [blame] | 221 | for (i = 0; i < layout->num_entries; i++) { |
Nico Huber | 70461a9 | 2019-06-15 14:56:19 +0200 | [diff] [blame] | 222 | free(layout->entries[i].name); |
Edward O'Callaghan | 405e72a | 2020-12-19 11:21:49 +1100 | [diff] [blame] | 223 | layout->entries[i].included = false; |
Stefan Tauner | 949ccc8 | 2013-09-15 14:01:06 +0000 | [diff] [blame] | 224 | } |
Nico Huber | 2b94cdb | 2019-06-15 18:19:26 +0200 | [diff] [blame] | 225 | layout->num_entries = 0; |
Stefan Tauner | 949ccc8 | 2013-09-15 14:01:06 +0000 | [diff] [blame] | 226 | } |
| 227 | |
Stefan Tauner | 8268fdb | 2013-09-23 14:21:06 +0000 | [diff] [blame] | 228 | /* Validate and - if needed - normalize layout entries. */ |
| 229 | int normalize_romentries(const struct flashctx *flash) |
| 230 | { |
Nico Huber | 2b94cdb | 2019-06-15 18:19:26 +0200 | [diff] [blame] | 231 | struct flashrom_layout *const layout = get_global_layout(); |
Stefan Tauner | 8268fdb | 2013-09-23 14:21:06 +0000 | [diff] [blame] | 232 | chipsize_t total_size = flash->chip->total_size * 1024; |
| 233 | int ret = 0; |
| 234 | |
Nico Huber | 354766b | 2019-06-16 19:28:35 +0200 | [diff] [blame^] | 235 | const struct romentry *entry = NULL; |
| 236 | while ((entry = layout_next(layout, entry))) { |
| 237 | if (entry->start >= total_size || entry->end >= total_size) { |
| 238 | msg_gwarn("Warning: Address range of region \"%s\" " |
| 239 | "exceeds the current chip's address space.\n", entry->name); |
| 240 | if (entry->included) |
Stefan Tauner | 8268fdb | 2013-09-23 14:21:06 +0000 | [diff] [blame] | 241 | ret = 1; |
| 242 | } |
Nico Huber | 354766b | 2019-06-16 19:28:35 +0200 | [diff] [blame^] | 243 | if (entry->start > entry->end) { |
Stefan Tauner | 8268fdb | 2013-09-23 14:21:06 +0000 | [diff] [blame] | 244 | msg_gerr("Error: Size of the address range of region \"%s\" is not positive.\n", |
Nico Huber | 354766b | 2019-06-16 19:28:35 +0200 | [diff] [blame^] | 245 | entry->name); |
Stefan Tauner | 8268fdb | 2013-09-23 14:21:06 +0000 | [diff] [blame] | 246 | ret = 1; |
| 247 | } |
| 248 | } |
| 249 | |
| 250 | return ret; |
| 251 | } |
Nico Huber | 3d7b1e3 | 2018-12-22 00:53:14 +0100 | [diff] [blame] | 252 | |
| 253 | const struct romentry *layout_next_included_region( |
| 254 | const struct flashrom_layout *const l, const chipoff_t where) |
| 255 | { |
Nico Huber | 354766b | 2019-06-16 19:28:35 +0200 | [diff] [blame^] | 256 | const struct romentry *entry = NULL, *lowest = NULL; |
Nico Huber | 3d7b1e3 | 2018-12-22 00:53:14 +0100 | [diff] [blame] | 257 | |
Nico Huber | 354766b | 2019-06-16 19:28:35 +0200 | [diff] [blame^] | 258 | while ((entry = layout_next(l, entry))) { |
| 259 | if (!entry->included) |
Nico Huber | 3d7b1e3 | 2018-12-22 00:53:14 +0100 | [diff] [blame] | 260 | continue; |
Nico Huber | 354766b | 2019-06-16 19:28:35 +0200 | [diff] [blame^] | 261 | if (entry->end < where) |
Nico Huber | 3d7b1e3 | 2018-12-22 00:53:14 +0100 | [diff] [blame] | 262 | continue; |
Nico Huber | 354766b | 2019-06-16 19:28:35 +0200 | [diff] [blame^] | 263 | if (!lowest || lowest->start > entry->start) |
| 264 | lowest = entry; |
Nico Huber | 3d7b1e3 | 2018-12-22 00:53:14 +0100 | [diff] [blame] | 265 | } |
| 266 | |
| 267 | return lowest; |
| 268 | } |
Nico Huber | 4f21328 | 2019-06-15 17:33:49 +0200 | [diff] [blame] | 269 | |
Nico Huber | 5ca5523 | 2019-06-15 22:29:08 +0200 | [diff] [blame] | 270 | const struct romentry *layout_next_included( |
| 271 | const struct flashrom_layout *const layout, const struct romentry *iterator) |
| 272 | { |
Nico Huber | 354766b | 2019-06-16 19:28:35 +0200 | [diff] [blame^] | 273 | while ((iterator = layout_next(layout, iterator))) { |
| 274 | if (iterator->included) |
| 275 | break; |
Nico Huber | 5ca5523 | 2019-06-15 22:29:08 +0200 | [diff] [blame] | 276 | } |
Nico Huber | 354766b | 2019-06-16 19:28:35 +0200 | [diff] [blame^] | 277 | return iterator; |
| 278 | } |
| 279 | |
| 280 | const struct romentry *layout_next( |
| 281 | const struct flashrom_layout *const layout, const struct romentry *iterator) |
| 282 | { |
| 283 | return mutable_layout_next(layout, (struct romentry *)iterator); |
Nico Huber | 5ca5523 | 2019-06-15 22:29:08 +0200 | [diff] [blame] | 284 | } |
| 285 | |
Nico Huber | 4f21328 | 2019-06-15 17:33:49 +0200 | [diff] [blame] | 286 | /** |
| 287 | * @addtogroup flashrom-layout |
| 288 | * @{ |
| 289 | */ |
| 290 | |
| 291 | /** |
| 292 | * @brief Mark given region as included. |
| 293 | * |
| 294 | * @param layout The layout to alter. |
| 295 | * @param name The name of the region to include. |
| 296 | * |
| 297 | * @return 0 on success, |
| 298 | * 1 if the given name can't be found. |
| 299 | */ |
| 300 | int flashrom_layout_include_region(struct flashrom_layout *const layout, const char *name) |
| 301 | { |
Nico Huber | 354766b | 2019-06-16 19:28:35 +0200 | [diff] [blame^] | 302 | struct romentry *entry = NULL; |
| 303 | while ((entry = mutable_layout_next(layout, entry))) { |
| 304 | if (!strcmp(entry->name, name)) { |
| 305 | entry->included = true; |
Nico Huber | 4f21328 | 2019-06-15 17:33:49 +0200 | [diff] [blame] | 306 | return 0; |
| 307 | } |
| 308 | } |
| 309 | return 1; |
| 310 | } |
| 311 | |
| 312 | /** |
| 313 | * @brief Free a layout. |
| 314 | * |
| 315 | * @param layout Layout to free. |
| 316 | */ |
| 317 | void flashrom_layout_release(struct flashrom_layout *const layout) |
| 318 | { |
Nico Huber | 70461a9 | 2019-06-15 14:56:19 +0200 | [diff] [blame] | 319 | unsigned int i; |
| 320 | |
| 321 | if (!layout || layout == get_global_layout()) |
Nico Huber | 4f21328 | 2019-06-15 17:33:49 +0200 | [diff] [blame] | 322 | return; |
| 323 | |
Nico Huber | 70461a9 | 2019-06-15 14:56:19 +0200 | [diff] [blame] | 324 | for (i = 0; i < layout->num_entries; ++i) |
| 325 | free(layout->entries[i].name); |
Nico Huber | 4f21328 | 2019-06-15 17:33:49 +0200 | [diff] [blame] | 326 | free(layout); |
| 327 | } |
| 328 | |
| 329 | /** @} */ /* end flashrom-layout */ |