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authorEric Biederman <ebiederm@xmission.com>2003-04-22 19:02:15 +0000
committerEric Biederman <ebiederm@xmission.com>2003-04-22 19:02:15 +0000
commit8ca8d7665d671e10d72b8fcb4d69121d75f7906e (patch)
treedaad2699b4e6b6014bce5a76e82dd9c974801777 /src/console/console.c
parentb138ac83b53da9abf3dc9a87a1cd4b3d3a8150bd (diff)
- Initial checkin of the freebios2 tree
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@784 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/console/console.c')
-rw-r--r--src/console/console.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/src/console/console.c b/src/console/console.c
new file mode 100644
index 0000000000..458fbb8fff
--- /dev/null
+++ b/src/console/console.c
@@ -0,0 +1,75 @@
+/*
+ * Bootstrap code for the INTEL
+ * $Id$
+ *
+ */
+
+#include <arch/io.h>
+#include <console/console.h>
+#include <string.h>
+#include <pc80/mc146818rtc.h>
+
+
+static int initialized;
+
+/* initialize the console */
+void console_init(void)
+{
+ struct console_driver *driver;
+ if(get_option(&console_loglevel, "debug_level"))
+ console_loglevel=DEFAULT_CONSOLE_LOGLEVEL;
+
+ for(driver = console_drivers; driver < econsole_drivers; driver++) {
+ if (!driver->init)
+ continue;
+ driver->init();
+ }
+ initialized = 1;
+}
+
+static void __console_tx_byte(unsigned char byte)
+{
+ struct console_driver *driver;
+ for(driver = console_drivers; driver < econsole_drivers; driver++) {
+ driver->tx_byte(byte);
+ }
+}
+
+void console_tx_flush(void)
+{
+ struct console_driver *driver;
+ for(driver = console_drivers; driver < econsole_drivers; driver++) {
+ if (!driver->tx_flush)
+ continue;
+ driver->tx_flush();
+ }
+}
+
+void console_tx_byte(unsigned char byte)
+{
+ if (!initialized)
+ return;
+ if (byte == '\n')
+ __console_tx_byte('\r');
+ __console_tx_byte(byte);
+}
+
+/*
+ * Write POST information
+ */
+void post_code(uint8_t value)
+{
+#ifdef CONFIG_SERIAL_POST
+ printk_info("POST: 0x%02x\n", value);
+#elsif !define(NO_POST)
+ outb(value, 0x80);
+#endif
+}
+
+/* Report a fatal error */
+void die(char *msg)
+{
+ printk_emerg("%s", msg);
+ post_code(0xff);
+ while (1); /* Halt */
+}