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review.coreboot.org / coreboot / 1458228b2ee33a93d2c850dd1d0633c2b18283e5 / . / payloads / coreinfo / bootlog_module.c
blob: 1dc7bbec709cf3019e51436e8e8240ea9abb76bc [file] [log] [blame]
Uwe Hermann0ab8cdd2008-04-22 20:19:53 +0000[diff] [blame]1/*
2 * This file is part of the coreinfo project.
3 *
4 * Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20#include "coreinfo.h"
21
22#ifdef CONFIG_MODULE_BOOTLOG
23
24#define CONFIG_COREBOOT_PRINTK_BUFFER_ADDR 0x90000
25#define CONFIG_COREBOOT_PRINTK_BUFFER_SIZE 65536
26
27static char *buf;
28static s32 cursor = 0;
29static s32 cursor_max;
30
31static int bootlog_module_init(void)
32{
33 int i;
34 volatile unsigned long *ptr =
35 (void *)(CONFIG_COREBOOT_PRINTK_BUFFER_ADDR + 16); /* FIXME */
36
37 buf = malloc(CONFIG_COREBOOT_PRINTK_BUFFER_SIZE);
38 if (!buf) {
39 /* TODO */
40 }
41
42 memcpy(buf, (char *)ptr, CONFIG_COREBOOT_PRINTK_BUFFER_SIZE);
43
44 cursor_max = CONFIG_COREBOOT_PRINTK_BUFFER_SIZE;
45 for (i = 0; i < 20; i++) {
46 do {
47 cursor_max--;
48 } while (*(buf + cursor_max) != '\n');
49 }
50 cursor_max++; /* Stay _behind_ the newline. */
51
52 /* TODO: Maybe a _cleanup hook where we call free()? */
53
54 return 0;
55}
56
57static int bootlog_module_redraw(WINDOW *win)
58{
59 int x = 0, y = 0;
60 char *tmp = buf + cursor;
61
62 print_module_title(win, "Coreboot Bootlog");
63
64 /* FIXME: Handle lines longer than 80 characters. */
65 while (y <= 18) {
Ulf Jordan94c1bd82008-09-30 06:13:54 +0000[diff] [blame]66 mvwaddch(win, y + 2, x, isprint(*tmp) ? *tmp : ' ');
Uwe Hermann0ab8cdd2008-04-22 20:19:53 +0000[diff] [blame]67 x++;
68 tmp++;
69 if (*tmp == '\n') {
70 y++;
71 x = 0;
72 tmp++; /* Skip the newline. */
73 }
74 }
75
76 return 0;
77}
78
79/* TODO: Simplify code. */
80static int bootlog_module_handle(int key)
81{
82 int i;
83
84 switch (key) {
85 case KEY_DOWN:
86 if (cursor == cursor_max)
87 return 0;
88 while (*(buf + cursor) != '\n')
89 cursor++;
90 cursor++; /* Skip the newline. */
91 break;
92 case KEY_UP:
93 if (cursor == 0)
94 return 0;
95 cursor--; /* Skip the newline. */
96 do {
97 cursor--;
98 } while (*(buf + cursor) != '\n');
99 cursor++; /* Stay _behind_ the newline. */
100 break;
101 case KEY_NPAGE:
102 if (cursor == cursor_max)
103 return 0;
104 for (i = 0; i < 20; i++) {
105 while (*(buf + cursor) != '\n')
106 cursor++;
107 cursor++; /* Skip the newline. */
108 }
109 break;
110 case KEY_PPAGE:
111 if (cursor == 0)
112 return 0;
113 for (i = 0; i < 20; i++) {
114 do {
115 cursor--;
116 } while (*(buf + cursor) != '\n');
117 }
118 cursor++; /* Stay _behind_ the newline. */
119 break;
120 }
121
122 if (cursor > cursor_max)
123 cursor = cursor_max;
124
125 if (cursor < 0)
126 cursor = 0;
127
128 return 1;
129}
130
131struct coreinfo_module bootlog_module = {
132 .name = "Bootlog",
133 .init = bootlog_module_init,
134 .redraw = bootlog_module_redraw,
135 .handle = bootlog_module_handle,
136};
137
138#else
139
140struct coreinfo_module bootlog_module = {
141};
142
143#endif