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Diffstat (limited to 'payloads/coreinfo/bootlog_module.c')
-rw-r--r--payloads/coreinfo/bootlog_module.c143
1 files changed, 143 insertions, 0 deletions
diff --git a/payloads/coreinfo/bootlog_module.c b/payloads/coreinfo/bootlog_module.c
new file mode 100644
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+++ b/payloads/coreinfo/bootlog_module.c
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+/*
+ * This file is part of the coreinfo project.
+ *
+ * Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "coreinfo.h"
+
+#ifdef CONFIG_MODULE_BOOTLOG
+
+#define CONFIG_COREBOOT_PRINTK_BUFFER_ADDR 0x90000
+#define CONFIG_COREBOOT_PRINTK_BUFFER_SIZE 65536
+
+static char *buf;
+static s32 cursor = 0;
+static s32 cursor_max;
+
+static int bootlog_module_init(void)
+{
+ int i;
+ volatile unsigned long *ptr =
+ (void *)(CONFIG_COREBOOT_PRINTK_BUFFER_ADDR + 16); /* FIXME */
+
+ buf = malloc(CONFIG_COREBOOT_PRINTK_BUFFER_SIZE);
+ if (!buf) {
+ /* TODO */
+ }
+
+ memcpy(buf, (char *)ptr, CONFIG_COREBOOT_PRINTK_BUFFER_SIZE);
+
+ cursor_max = CONFIG_COREBOOT_PRINTK_BUFFER_SIZE;
+ for (i = 0; i < 20; i++) {
+ do {
+ cursor_max--;
+ } while (*(buf + cursor_max) != '\n');
+ }
+ cursor_max++; /* Stay _behind_ the newline. */
+
+ /* TODO: Maybe a _cleanup hook where we call free()? */
+
+ return 0;
+}
+
+static int bootlog_module_redraw(WINDOW *win)
+{
+ int x = 0, y = 0;
+ char *tmp = buf + cursor;
+
+ print_module_title(win, "Coreboot Bootlog");
+
+ /* FIXME: Handle lines longer than 80 characters. */
+ while (y <= 18) {
+ mvwaddnstr(win, y + 2, x, tmp, 1);
+ x++;
+ tmp++;
+ if (*tmp == '\n') {
+ y++;
+ x = 0;
+ tmp++; /* Skip the newline. */
+ }
+ }
+
+ return 0;
+}
+
+/* TODO: Simplify code. */
+static int bootlog_module_handle(int key)
+{
+ int i;
+
+ switch (key) {
+ case KEY_DOWN:
+ if (cursor == cursor_max)
+ return 0;
+ while (*(buf + cursor) != '\n')
+ cursor++;
+ cursor++; /* Skip the newline. */
+ break;
+ case KEY_UP:
+ if (cursor == 0)
+ return 0;
+ cursor--; /* Skip the newline. */
+ do {
+ cursor--;
+ } while (*(buf + cursor) != '\n');
+ cursor++; /* Stay _behind_ the newline. */
+ break;
+ case KEY_NPAGE:
+ if (cursor == cursor_max)
+ return 0;
+ for (i = 0; i < 20; i++) {
+ while (*(buf + cursor) != '\n')
+ cursor++;
+ cursor++; /* Skip the newline. */
+ }
+ break;
+ case KEY_PPAGE:
+ if (cursor == 0)
+ return 0;
+ for (i = 0; i < 20; i++) {
+ do {
+ cursor--;
+ } while (*(buf + cursor) != '\n');
+ }
+ cursor++; /* Stay _behind_ the newline. */
+ break;
+ }
+
+ if (cursor > cursor_max)
+ cursor = cursor_max;
+
+ if (cursor < 0)
+ cursor = 0;
+
+ return 1;
+}
+
+struct coreinfo_module bootlog_module = {
+ .name = "Bootlog",
+ .init = bootlog_module_init,
+ .redraw = bootlog_module_redraw,
+ .handle = bootlog_module_handle,
+};
+
+#else
+
+struct coreinfo_module bootlog_module = {
+};
+
+#endif