source: bootcd/isolinux/syslinux-6.03/com32/hdt/hdt-menu-disk.c

Last change on this file was e16e8f2, checked in by Edwin Eefting <edwin@datux.nl>, 3 years ago

bootstuff
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File size: 10.0 KB
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1/* ----------------------------------------------------------------------- *
2 *
3 *   Copyright 2009 Erwan Velu - All Rights Reserved
4 *
5 *   Permission is hereby granted, free of charge, to any person
6 *   obtaining a copy of this software and associated documentation
7 *   files (the "Software"), to deal in the Software without
8 *   restriction, including without limitation the rights to use,
9 *   copy, modify, merge, publish, distribute, sublicense, and/or
10 *   sell copies of the Software, and to permit persons to whom
11 *   the Software is furnished to do so, subject to the following
12 *   conditions:
13 *
14 *   The above copyright notice and this permission notice shall
15 *   be included in all copies or substantial portions of the Software.
16 *
17 *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
19 *   OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 *   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
21 *   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
22 *   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23 *   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
24 *   OTHER DEALINGS IN THE SOFTWARE.
25 *
26 * -----------------------------------------------------------------------
27 */
28
29#include <stdlib.h>
30
31#include "hdt-menu.h"
32#include "hdt-util.h"
33
34static int dn;
35
36static void show_partition_information(struct driveinfo *drive_info,
37                                       struct part_entry *ptab __unused,
38                                       int partition_offset __unused,
39                                       int nb_partitions_seen)
40{
41    char menu_title[MENULEN + 1];
42    char menu_title_ref[MENULEN + 1];
43
44    if (nb_partitions_seen == 1)
45        add_sep();
46
47    memset(menu_title, 0, sizeof menu_title);
48    memset(menu_title_ref, 0, sizeof menu_title_ref);
49    snprintf(menu_title_ref, sizeof menu_title_ref, "disk_%x_part_%d",
50             drive_info[dn].disk, nb_partitions_seen);
51    snprintf(menu_title, sizeof menu_title, "Partition %d", nb_partitions_seen);
52
53    add_item(menu_title,
54             "Partition information (start, end, length, type, ...)",
55             OPT_SUBMENU, menu_title_ref, 0);
56}
57
58/**
59 * compute_partition_information - print information about a partition
60 * @ptab:       part_entry describing the partition
61 * @i:          Partition number (UI purposes only)
62 * @ptab_root:  part_entry describing the root partition (extended only)
63 * @drive_info: driveinfo struct describing the drive on which the partition
64 *              is
65 *
66 * Note on offsets (from hpa, see chain.c32):
67 *
68 *  To make things extra confusing: data partition offsets are relative to where
69 *  the data partition record is stored, whereas extended partition offsets
70 *  are relative to the beginning of the extended partition all the way back
71 *  at the MBR... but still not absolute!
72 **/
73static void compute_partition_information(struct driveinfo *drive_info,
74                                          struct part_entry *ptab,
75                                          int partition_offset,
76                                          int nb_partitions_seen)
77{
78    char size[11];
79    char bootloader_name[9];
80    char *parttype;
81    unsigned int start, end;
82    char buffer[SUBMENULEN + 1];
83    char statbuffer[STATLEN + 1];
84    char menu_title[MENULEN + 1];
85    char menu_title_ref[MENULEN + 1];
86
87    memset(buffer, 0, sizeof buffer);
88    memset(statbuffer, 0, sizeof statbuffer);
89    memset(menu_title, 0, sizeof menu_title);
90    memset(menu_title_ref, 0, sizeof menu_title_ref);
91    snprintf(menu_title_ref, sizeof menu_title_ref, "disk_%x_part_%d",
92             drive_info[dn].disk, nb_partitions_seen);
93    snprintf(menu_title, sizeof menu_title, "Partition %d", nb_partitions_seen);
94
95    add_named_menu(menu_title_ref, menu_title, -1);
96    set_menu_pos(SUBMENU_Y, SUBMENU_X);
97
98    start = partition_offset;
99    end = start + ptab->length - 1;
100
101    if (ptab->length > 0)
102        sectors_to_size(ptab->length, size);
103    else
104        memset(size, 0, sizeof size);
105
106    get_label(ptab->ostype, &parttype);
107
108    snprintf(buffer, sizeof buffer, "Size        : %s", remove_spaces(size));
109    snprintf(statbuffer, sizeof statbuffer, "Size : %s", remove_spaces(size));
110    add_item(buffer, statbuffer, OPT_INACTIVE, NULL, 0);
111
112    snprintf(buffer, sizeof buffer, "Type        : %s", parttype);
113    snprintf(statbuffer, sizeof statbuffer, "Type: %s", parttype);
114    add_item(buffer, statbuffer, OPT_INACTIVE, NULL, 0);
115
116    if (get_bootloader_string(drive_info, ptab, bootloader_name, 9) == 0) {
117        snprintf(buffer, sizeof buffer, "Bootloader  : %s", bootloader_name);
118        snprintf(statbuffer, sizeof statbuffer, "Bootloader: %s",
119                 bootloader_name);
120        add_item(buffer, statbuffer, OPT_INACTIVE, NULL, 0);
121    }
122
123    snprintf(buffer, sizeof buffer, "Boot Flag   : %s",
124             (ptab->active_flag == 0x80) ? "Yes" : "No");
125    snprintf(statbuffer, sizeof statbuffer, "Boot Flag: %s",
126             (ptab->active_flag == 0x80) ? "Yes" : "No");
127    add_item(buffer, statbuffer, OPT_INACTIVE, NULL, 0);
128
129    snprintf(buffer, sizeof buffer, "Start       : %d", start);
130    snprintf(statbuffer, sizeof statbuffer, "Start: %d", start);
131    add_item(buffer, statbuffer, OPT_INACTIVE, NULL, 0);
132
133    snprintf(buffer, sizeof buffer, "End         : %d", end);
134    snprintf(statbuffer, sizeof statbuffer, "End: %d", end);
135    add_item(buffer, statbuffer, OPT_INACTIVE, NULL, 0);
136
137    snprintf(buffer, sizeof buffer, "Id          : %X", ptab->ostype);
138    snprintf(statbuffer, sizeof statbuffer, "Id: %X", ptab->ostype);
139    add_item(buffer, statbuffer, OPT_INACTIVE, NULL, 0);
140
141    free(parttype);
142
143    /* Extra info */
144    if (ptab->ostype == 0x82 && swsusp_check(drive_info, ptab) != -1) {
145        snprintf(buffer, sizeof buffer, "%s", "Swsusp sig  : detected");
146        snprintf(statbuffer, sizeof statbuffer, "%s", "Swsusp sig  : detected");
147        add_item(buffer, statbuffer, OPT_INACTIVE, NULL, 0);
148    }
149}
150
151/* Compute the disk submenu */
152static int compute_disk_module(struct s_my_menu *menu, int nb_sub_disk_menu,
153                               const struct s_hardware *hardware,
154                               int disk_number)
155{
156    char buffer[MENULEN + 1];
157    char statbuffer[STATLEN + 1];
158    char mbr_name[50];
159    struct driveinfo *d = (struct driveinfo *)hardware->disk_info;
160
161    snprintf(buffer, sizeof buffer, " Disk <0x%X> (EDD %X)",
162             d[disk_number].disk, d[disk_number].edd_version);
163    menu[nb_sub_disk_menu].menu = add_menu(buffer, -1);
164    menu[nb_sub_disk_menu].items_count = 0;
165
166    int previous_size, size;
167    char previous_unit[3], unit[3];     // GB
168    char size_iec[11];          // GiB
169    char size_dec[11];          // GB
170    sectors_to_size_dec(previous_unit, &previous_size, unit, &size,
171                        d[disk_number].edd_params.sectors);
172    sectors_to_size(d[disk_number].edd_params.sectors, size_iec);
173    sectors_to_size_dec2(d[disk_number].edd_params.sectors, size_dec);
174
175    snprintf(buffer, sizeof buffer, "Size              : %s/%s (%d %s)",
176             remove_spaces(size_iec), remove_spaces(size_dec), previous_size,
177             previous_unit);
178    snprintf(statbuffer, sizeof statbuffer, "Size: %s/%s (%d %s)",
179             remove_spaces(size_iec), remove_spaces(size_dec), previous_size,
180             previous_unit);
181    add_item(buffer, statbuffer, OPT_INACTIVE, NULL, 0);
182    menu[nb_sub_disk_menu].items_count++;
183
184    /* Do not print Host Bus & Interface if EDD isn't 3.0 or more */
185    if (d[disk_number].edd_version >= 0x30) {
186        snprintf(buffer, sizeof buffer, "Host Bus/Interface: %s / %s",
187                 remove_spaces((char *)d[disk_number].edd_params.host_bus_type),
188                 d[disk_number].edd_params.interface_type);
189        snprintf(statbuffer, sizeof statbuffer, "Host Bus / Interface: %s / %s",
190                 remove_spaces((char *)d[disk_number].edd_params.host_bus_type),
191                 d[disk_number].edd_params.interface_type);
192        add_item(buffer, statbuffer, OPT_INACTIVE, NULL, 0);
193        menu[nb_sub_disk_menu].items_count++;
194    }
195
196    snprintf(buffer, sizeof buffer, "C / H / S         : %d / %d / %d",
197             d[disk_number].legacy_max_cylinder + 1,
198             d[disk_number].legacy_max_head + 1,
199             (int)d[disk_number].edd_params.sectors);
200    snprintf(statbuffer, sizeof statbuffer,
201             "Cylinders / Heads / Sectors: %d / %d / %d",
202             d[disk_number].legacy_max_cylinder + 1,
203             d[disk_number].legacy_max_head + 1,
204             (int)d[disk_number].edd_params.sectors);
205    add_item(buffer, statbuffer, OPT_INACTIVE, NULL, 0);
206    menu[nb_sub_disk_menu].items_count++;
207
208    snprintf(buffer, sizeof buffer, "Sectors/Track     : %d",
209             d[disk_number].legacy_sectors_per_track);
210    snprintf(statbuffer, sizeof statbuffer, "Sectors per Track: %d",
211             d[disk_number].legacy_sectors_per_track);
212    add_item(buffer, statbuffer, OPT_INACTIVE, NULL, 0);
213    menu[nb_sub_disk_menu].items_count++;
214
215    get_mbr_string(hardware->mbr_ids[disk_number], &mbr_name, 50);
216
217    snprintf(buffer, sizeof buffer, "MBR               : %s (0x%X)",
218             remove_spaces(mbr_name), hardware->mbr_ids[disk_number]);
219    snprintf(statbuffer, sizeof statbuffer, "MBR: %s (id 0x%X)",
220             remove_spaces(mbr_name), hardware->mbr_ids[disk_number]);
221    add_item(buffer, statbuffer, OPT_INACTIVE, NULL, 0);
222    menu[nb_sub_disk_menu].items_count++;
223
224    dn = disk_number;
225
226    parse_partition_table(&d[disk_number], &show_partition_information);
227    if (!parse_partition_table(&d[disk_number], &compute_partition_information)) {
228        get_error("parse_partition_table");
229        menu[nb_sub_disk_menu].items_count++;
230    }
231
232    return 0;
233}
234
235/* Compute the Disks menu */
236void compute_disks(struct s_hdt_menu *menu, struct s_hardware *hardware)
237{
238    char buffer[MENULEN + 1];
239    int nb_sub_disk_menu = 0;
240
241    /* No need to compute that menu if no disks were detected */
242    menu->disk_menu.items_count = 0;
243    if (hardware->disks_count == 0)
244        return;
245
246    for (int drive = 0x80; drive < 0xff; drive++) {
247        if (!hardware->disk_info[drive - 0x80].cbios)
248            continue;           /* Invalid geometry */
249        compute_disk_module
250            ((struct s_my_menu *)&(menu->disk_sub_menu), nb_sub_disk_menu,
251             hardware, drive - 0x80);
252        nb_sub_disk_menu++;
253    }
254
255    menu->disk_menu.menu = add_menu(" Disks ", -1);
256
257    for (int i = 0; i < nb_sub_disk_menu; i++) {
258        snprintf(buffer, sizeof buffer, " Disk <%d> ", i + 1);
259        add_item(buffer, "Disk", OPT_SUBMENU, NULL,
260                 menu->disk_sub_menu[i].menu);
261        menu->disk_menu.items_count++;
262    }
263    printf("MENU: Disks menu done (%d items)\n", menu->disk_menu.items_count);
264}
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