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Diffstat (limited to 'src/arch/x86/lib/printk_init.c')
-rw-r--r--src/arch/x86/lib/printk_init.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/src/arch/x86/lib/printk_init.c b/src/arch/x86/lib/printk_init.c
new file mode 100644
index 0000000000..2f7f751832
--- /dev/null
+++ b/src/arch/x86/lib/printk_init.c
@@ -0,0 +1,57 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * 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 <console/console.h>
+#include <console/vtxprintf.h>
+#include <uart8250.h>
+
+#if CONFIG_CONSOLE_NE2K
+#include <console/ne2k.h>
+#endif
+
+static void console_tx_byte(unsigned char byte)
+{
+#if CONFIG_CONSOLE_NE2K
+#ifdef __PRE_RAM__
+ ne2k_append_data(&byte, 1, CONFIG_CONSOLE_NE2K_IO_PORT);
+#endif
+#endif
+ if (byte == '\n')
+ uart8250_tx_byte(CONFIG_TTYS0_BASE, '\r');
+
+ uart8250_tx_byte(CONFIG_TTYS0_BASE, byte);
+}
+
+int do_printk(int msg_level, const char *fmt, ...)
+{
+ va_list args;
+ int i;
+
+ if (msg_level > console_loglevel) {
+ return 0;
+ }
+
+ va_start(args, fmt);
+ i = vtxprintf(console_tx_byte, fmt, args);
+ va_end(args);
+#if CONFIG_CONSOLE_NE2K
+ ne2k_transmit(CONFIG_CONSOLE_NE2K_IO_PORT);
+#endif
+ return i;
+}