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authorKyösti Mälkki <kyosti.malkki@gmail.com>2014-04-13 17:57:34 +0300
committerKyösti Mälkki <kyosti.malkki@gmail.com>2014-04-18 16:39:40 +0200
commitefb0b51e62667ade4d96f2a15eb6ed60bb29a9fe (patch)
tree18e4b0986c4ae43bee2f2689c2128ff2cf2ed554 /src/console
parent4076072b6c76debae0e328486d9bab71fe391db7 (diff)
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console: Split ROMCC helpers
These are potentially useful with GDB or SerialICE too. Also it reduces the amount of actual code we put in romcc_console. Change-Id: Id8c56e979660ad9f4eef39c648f68c7ec60edfba Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/5339 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Diffstat (limited to 'src/console')
-rw-r--r--src/console/early_print.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/src/console/early_print.c b/src/console/early_print.c
new file mode 100644
index 000000000..da6532f0f
--- /dev/null
+++ b/src/console/early_print.c
@@ -0,0 +1,64 @@
+/*
+ * 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/streams.h>
+
+void console_tx_nibble(unsigned nibble)
+{
+ unsigned char digit;
+ digit = nibble + '0';
+ if (digit > '9') {
+ digit += 39;
+ }
+ console_tx_byte(digit);
+}
+
+void console_tx_hex8(unsigned char value)
+{
+ console_tx_nibble((value >> 4U) & 0x0fU);
+ console_tx_nibble(value & 0x0fU);
+}
+
+void console_tx_hex16(unsigned short value)
+{
+ console_tx_nibble((value >> 12U) & 0x0fU);
+ console_tx_nibble((value >> 8U) & 0x0fU);
+ console_tx_nibble((value >> 4U) & 0x0fU);
+ console_tx_nibble(value & 0x0fU);
+}
+
+void console_tx_hex32(unsigned int value)
+{
+ console_tx_nibble((value >> 28U) & 0x0fU);
+ console_tx_nibble((value >> 24U) & 0x0fU);
+ console_tx_nibble((value >> 20U) & 0x0fU);
+ console_tx_nibble((value >> 16U) & 0x0fU);
+ console_tx_nibble((value >> 12U) & 0x0fU);
+ console_tx_nibble((value >> 8U) & 0x0fU);
+ console_tx_nibble((value >> 4U) & 0x0fU);
+ console_tx_nibble(value & 0x0fU);
+}
+
+void console_tx_string(const char *str)
+{
+ unsigned char ch;
+ while((ch = *str++) != '\0') {
+ if (ch == '\n')
+ console_tx_byte('\r');
+ console_tx_byte(ch);
+ }
+}