1 /*
2 * Copyright (C) 2008 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the
13 * distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <boot/boot.h>
30 #include <boot/flash.h>
31
32 #define MAX_PTN 16
33
34 static ptentry ptable[MAX_PTN];
35 static unsigned pcount = 0;
36
flash_add_ptn(ptentry * ptn)37 void flash_add_ptn(ptentry *ptn)
38 {
39 if(pcount < MAX_PTN){
40 memcpy(ptable + pcount, ptn, sizeof(*ptn));
41 pcount++;
42 }
43 }
44
flash_dump_ptn(void)45 void flash_dump_ptn(void)
46 {
47 unsigned n;
48 for(n = 0; n < pcount; n++) {
49 ptentry *ptn = ptable + n;
50 dprintf("ptn %d name='%s' start=%d len=%d\n",
51 n, ptn->name, ptn->start, ptn->length);
52 }
53 }
54
55
flash_find_ptn(const char * name)56 ptentry *flash_find_ptn(const char *name)
57 {
58 unsigned n;
59 for(n = 0; n < pcount; n++) {
60 if(!strcmp(ptable[n].name, name)) {
61 return ptable + n;
62 }
63 }
64 return 0;
65 }
66
flash_get_ptn(unsigned n)67 ptentry *flash_get_ptn(unsigned n)
68 {
69 if(n < pcount) {
70 return ptable + n;
71 } else {
72 return 0;
73 }
74 }
75
flash_get_ptn_count(void)76 unsigned flash_get_ptn_count(void)
77 {
78 return pcount;
79 }
80