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>

5 files changed, 241 insertions, 178 deletions

diff --git a/src/arch/x86/lib/romcc_console.c b/src/arch/x86/lib/romcc_console.c
index 0557a52e5c..6c7f0506c6 100644
--- a/src/arch/x86/lib/romcc_console.c
+++ b/src/arch/x86/lib/romcc_console.c
@@ -17,12 +17,10 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include <console/uart.h>
-#include <console/ne2k.h>
-
-/* While in romstage, console loglevel is built-time constant. */
-#define console_log_level(msg_level) (CONFIG_DEFAULT_CONSOLE_LOGLEVEL >= msg_level)
+#include <console/streams.h>
+#include <console/early_print.h>
 
+/* Include the sources. */
 #if CONFIG_CONSOLE_SERIAL && CONFIG_DRIVERS_UART_8250IO
 #include "drivers/uart/util.c"
 #include "drivers/uart/uart8250io.c"
@@ -31,7 +29,17 @@
 #include "drivers/net/ne2k.c"
 #endif
 
-static void __console_tx_byte(unsigned char byte)
+void console_hw_init(void)
+{
+#if CONFIG_CONSOLE_SERIAL
+	uart_init();
+#endif
+#if CONFIG_CONSOLE_NE2K
+	ne2k_init(CONFIG_CONSOLE_NE2K_IO_PORT);
+#endif
+}
+
+void console_tx_byte(unsigned char byte)
 {
 #if CONFIG_CONSOLE_SERIAL
 	uart_tx_byte(byte);
@@ -41,7 +49,7 @@ static void __console_tx_byte(unsigned char byte)
 #endif
 }
 
-static void __console_tx_flush(void)
+void console_tx_flush(void)
 {
 #if CONFIG_CONSOLE_SERIAL
 	uart_tx_flush();
@@ -51,74 +59,7 @@ static void __console_tx_flush(void)
 #endif
 }
 
-static void __console_tx_nibble(unsigned nibble)
-{
-	unsigned char digit;
-	digit = nibble + '0';
-	if (digit > '9') {
-		digit += 39;
-	}
-	__console_tx_byte(digit);
-}
-
-static void __console_tx_char(int loglevel, unsigned char byte)
-{
-	if (console_log_level(loglevel)) {
-		__console_tx_byte(byte);
-		__console_tx_flush();
-	}
-}
-
-static void __console_tx_hex8(int loglevel, unsigned char value)
-{
-	if (console_log_level(loglevel)) {
-		__console_tx_nibble((value >>  4U) & 0x0fU);
-		__console_tx_nibble(value & 0x0fU);
-		__console_tx_flush();
-	}
-}
-
-static void __console_tx_hex16(int loglevel, unsigned short value)
-{
-	if (console_log_level(loglevel)) {
-		__console_tx_nibble((value >> 12U) & 0x0fU);
-		__console_tx_nibble((value >>  8U) & 0x0fU);
-		__console_tx_nibble((value >>  4U) & 0x0fU);
-		__console_tx_nibble(value & 0x0fU);
-		__console_tx_flush();
-	}
-}
-
-static void __console_tx_hex32(int loglevel, unsigned int value)
-{
-	if (console_log_level(loglevel)) {
-		__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);
-		__console_tx_flush();
-	}
-}
-
-static void __console_tx_string(int loglevel, const char *str)
-{
-	if (console_log_level(loglevel)) {
-		unsigned char ch;
-		while((ch = *str++) != '\0') {
-			if (ch == '\n')
-				__console_tx_byte('\r');
-			__console_tx_byte(ch);
-		}
-		__console_tx_flush();
-	}
-}
-
-/* if included by romcc, include the sources, too. romcc can't use prototypes */
-#include <console/console.c>
+#include <console/early_print.c>
 #include <console/init.c>
 #include <console/post.c>
 #include <console/die.c>
diff --git a/src/console/early_print.c b/src/console/early_print.c
new file mode 100644
index 0000000000..da6532f0fb
--- /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);
+	}
+}
diff --git a/src/include/console/console.h b/src/include/console/console.h
index 54e454547c..a15f608407 100644
--- a/src/include/console/console.h
+++ b/src/include/console/console.h
@@ -21,7 +21,6 @@
 #define CONSOLE_CONSOLE_H_
 
 #include <stdint.h>
-#include <console/loglevel.h>
 #include <console/post_codes.h>
 
 #ifndef __ROMCC__
@@ -73,109 +72,12 @@ static inline void do_vtxprintf(const char *fmt, va_list args) {};
 #endif
 #endif
 
-#define print_emerg(STR)         printk(BIOS_EMERG,  "%s", (STR))
-#define print_alert(STR)         printk(BIOS_ALERT,  "%s", (STR))
-#define print_crit(STR)          printk(BIOS_CRIT,   "%s", (STR))
-#define print_err(STR)           printk(BIOS_ERR,    "%s", (STR))
-#define print_warning(STR)       printk(BIOS_WARNING,"%s", (STR))
-#define print_notice(STR)        printk(BIOS_NOTICE, "%s", (STR))
-#define print_info(STR)          printk(BIOS_INFO,   "%s", (STR))
-#define print_debug(STR)         printk(BIOS_DEBUG,  "%s", (STR))
-#define print_spew(STR)          printk(BIOS_SPEW,   "%s", (STR))
-
-#define print_emerg_char(CH)     printk(BIOS_EMERG,  "%c", (CH))
-#define print_alert_char(CH)     printk(BIOS_ALERT,  "%c", (CH))
-#define print_crit_char(CH)      printk(BIOS_CRIT,   "%c", (CH))
-#define print_err_char(CH)       printk(BIOS_ERR,    "%c", (CH))
-#define print_warning_char(CH)   printk(BIOS_WARNING,"%c", (CH))
-#define print_notice_char(CH)    printk(BIOS_NOTICE, "%c", (CH))
-#define print_info_char(CH)      printk(BIOS_INFO,   "%c", (CH))
-#define print_debug_char(CH)     printk(BIOS_DEBUG,  "%c", (CH))
-#define print_spew_char(CH)      printk(BIOS_SPEW,   "%c", (CH))
-
-#define print_emerg_hex8(HEX)    printk(BIOS_EMERG,  "%02x",  (HEX))
-#define print_alert_hex8(HEX)    printk(BIOS_ALERT,  "%02x",  (HEX))
-#define print_crit_hex8(HEX)     printk(BIOS_CRIT,   "%02x",  (HEX))
-#define print_err_hex8(HEX)      printk(BIOS_ERR,    "%02x",  (HEX))
-#define print_warning_hex8(HEX)  printk(BIOS_WARNING,"%02x",  (HEX))
-#define print_notice_hex8(HEX)   printk(BIOS_NOTICE, "%02x",  (HEX))
-#define print_info_hex8(HEX)     printk(BIOS_INFO,   "%02x",  (HEX))
-#define print_debug_hex8(HEX)    printk(BIOS_DEBUG,  "%02x",  (HEX))
-#define print_spew_hex8(HEX)     printk(BIOS_SPEW,   "%02x",  (HEX))
-
-#define print_emerg_hex16(HEX)   printk(BIOS_EMERG,  "%04x", (HEX))
-#define print_alert_hex16(HEX)   printk(BIOS_ALERT,  "%04x", (HEX))
-#define print_crit_hex16(HEX)    printk(BIOS_CRIT,   "%04x", (HEX))
-#define print_err_hex16(HEX)     printk(BIOS_ERR,    "%04x", (HEX))
-#define print_warning_hex16(HEX) printk(BIOS_WARNING,"%04x", (HEX))
-#define print_notice_hex16(HEX)  printk(BIOS_NOTICE, "%04x", (HEX))
-#define print_info_hex16(HEX)    printk(BIOS_INFO,   "%04x", (HEX))
-#define print_debug_hex16(HEX)   printk(BIOS_DEBUG,  "%04x", (HEX))
-#define print_spew_hex16(HEX)    printk(BIOS_SPEW,   "%04x", (HEX))
-
-#define print_emerg_hex32(HEX)   printk(BIOS_EMERG,  "%08x", (HEX))
-#define print_alert_hex32(HEX)   printk(BIOS_ALERT,  "%08x", (HEX))
-#define print_crit_hex32(HEX)    printk(BIOS_CRIT,   "%08x", (HEX))
-#define print_err_hex32(HEX)     printk(BIOS_ERR,    "%08x", (HEX))
-#define print_warning_hex32(HEX) printk(BIOS_WARNING,"%08x", (HEX))
-#define print_notice_hex32(HEX)  printk(BIOS_NOTICE, "%08x", (HEX))
-#define print_info_hex32(HEX)    printk(BIOS_INFO,   "%08x", (HEX))
-#define print_debug_hex32(HEX)   printk(BIOS_DEBUG,  "%08x", (HEX))
-#define print_spew_hex32(HEX)    printk(BIOS_SPEW,   "%08x", (HEX))
-
-#else
-
-/* __ROMCC__ */
-
-#define print_emerg(STR)         __console_tx_string(BIOS_EMERG, STR)
-#define print_alert(STR)         __console_tx_string(BIOS_ALERT, STR)
-#define print_crit(STR)          __console_tx_string(BIOS_CRIT, STR)
-#define print_err(STR)           __console_tx_string(BIOS_ERR, STR)
-#define print_warning(STR)       __console_tx_string(BIOS_WARNING, STR)
-#define print_notice(STR)        __console_tx_string(BIOS_NOTICE, STR)
-#define print_info(STR)          __console_tx_string(BIOS_INFO, STR)
-#define print_debug(STR)         __console_tx_string(BIOS_DEBUG, STR)
-#define print_spew(STR)          __console_tx_string(BIOS_SPEW, STR)
-
-#define print_emerg_char(CH)     __console_tx_char(BIOS_EMERG, CH)
-#define print_alert_char(CH)     __console_tx_char(BIOS_ALERT, CH)
-#define print_crit_char(CH)      __console_tx_char(BIOS_CRIT, CH)
-#define print_err_char(CH)       __console_tx_char(BIOS_ERR, CH)
-#define print_warning_char(CH)   __console_tx_char(BIOS_WARNING, CH)
-#define print_notice_char(CH)    __console_tx_char(BIOS_NOTICE, CH)
-#define print_info_char(CH)      __console_tx_char(BIOS_INFO, CH)
-#define print_debug_char(CH)     __console_tx_char(BIOS_DEBUG, CH)
-#define print_spew_char(CH)      __console_tx_char(BIOS_SPEW, CH)
-
-#define print_emerg_hex8(HEX)    __console_tx_hex8(BIOS_EMERG, HEX)
-#define print_alert_hex8(HEX)    __console_tx_hex8(BIOS_ALERT, HEX)
-#define print_crit_hex8(HEX)     __console_tx_hex8(BIOS_CRIT, HEX)
-#define print_err_hex8(HEX)      __console_tx_hex8(BIOS_ERR, HEX)
-#define print_warning_hex8(HEX)  __console_tx_hex8(BIOS_WARNING, HEX)
-#define print_notice_hex8(HEX)   __console_tx_hex8(BIOS_NOTICE, HEX)
-#define print_info_hex8(HEX)     __console_tx_hex8(BIOS_INFO, HEX)
-#define print_debug_hex8(HEX)    __console_tx_hex8(BIOS_DEBUG, HEX)
-#define print_spew_hex8(HEX)     __console_tx_hex8(BIOS_SPEW, HEX)
-
-#define print_emerg_hex16(HEX)   __console_tx_hex16(BIOS_EMERG, HEX)
-#define print_alert_hex16(HEX)   __console_tx_hex16(BIOS_ALERT, HEX)
-#define print_crit_hex16(HEX)    __console_tx_hex16(BIOS_CRIT, HEX)
-#define print_err_hex16(HEX)     __console_tx_hex16(BIOS_ERR, HEX)
-#define print_warning_hex16(HEX) __console_tx_hex16(BIOS_WARNING, HEX)
-#define print_notice_hex16(HEX)  __console_tx_hex16(BIOS_NOTICE, HEX)
-#define print_info_hex16(HEX)    __console_tx_hex16(BIOS_INFO, HEX)
-#define print_debug_hex16(HEX)   __console_tx_hex16(BIOS_DEBUG, HEX)
-#define print_spew_hex16(HEX)    __console_tx_hex16(BIOS_SPEW, HEX)
+/* A lot of code still uses print_debug() et al. while use of printk()
+ * would be preferred.
+ */
+#include <console/early_print.h>
 
-#define print_emerg_hex32(HEX)   __console_tx_hex32(BIOS_EMERG, HEX)
-#define print_alert_hex32(HEX)   __console_tx_hex32(BIOS_ALERT, HEX)
-#define print_crit_hex32(HEX)    __console_tx_hex32(BIOS_CRIT, HEX)
-#define print_err_hex32(HEX)     __console_tx_hex32(BIOS_ERR, HEX)
-#define print_warning_hex32(HEX) __console_tx_hex32(BIOS_WARNING, HEX)
-#define print_notice_hex32(HEX)  __console_tx_hex32(BIOS_NOTICE, HEX)
-#define print_info_hex32(HEX)    __console_tx_hex32(BIOS_INFO, HEX)
-#define print_debug_hex32(HEX)   __console_tx_hex32(BIOS_DEBUG, HEX)
-#define print_spew_hex32(HEX)    __console_tx_hex32(BIOS_SPEW, HEX)
+#else /* __ROMCC__ */
 
 #include "arch/x86/lib/romcc_console.c"
 
diff --git a/src/include/console/early_print.h b/src/include/console/early_print.h
new file mode 100644
index 0000000000..8bc1489dd4
--- /dev/null
+++ b/src/include/console/early_print.h
@@ -0,0 +1,149 @@
+/*
+ * 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
+ */
+
+#ifndef __CONSOLE_EARLY_PRINT_H_
+#define __CONSOLE_EARLY_PRINT_H_
+
+#include <console/console.h>
+#include <console/streams.h>
+#include <console/loglevel.h>
+
+#if defined(__ROMCC__)
+/* While in romstage, console loglevel is built-time constant.
+ * With ROMCC we inline this test with help from preprocessor.
+ */
+#define console_log_level(msg_level) (CONFIG_DEFAULT_CONSOLE_LOGLEVEL >= msg_level)
+
+#define CALL_CONSOLE_TX(loglevel, tx_func, x) \
+	do { 						\
+		if (console_log_level(loglevel)) { 	\
+			tx_func(x);		 	\
+			console_tx_flush();		\
+		}	\
+	} while (0)
+
+#define __console_tx_char(level, x)	CALL_CONSOLE_TX(level, console_tx_byte, x)
+#define __console_tx_hex8(level, x)	CALL_CONSOLE_TX(level, console_tx_hex8, x)
+#define __console_tx_hex16(level, x)	CALL_CONSOLE_TX(level, console_tx_hex16, x)
+#define __console_tx_hex32(level, x)	CALL_CONSOLE_TX(level, console_tx_hex32, x)
+#define __console_tx_string(level, x)	CALL_CONSOLE_TX(level, console_tx_string, x)
+
+#define print_emerg(STR)         __console_tx_string(BIOS_EMERG, STR)
+#define print_alert(STR)         __console_tx_string(BIOS_ALERT, STR)
+#define print_crit(STR)          __console_tx_string(BIOS_CRIT, STR)
+#define print_err(STR)           __console_tx_string(BIOS_ERR, STR)
+#define print_warning(STR)       __console_tx_string(BIOS_WARNING, STR)
+#define print_notice(STR)        __console_tx_string(BIOS_NOTICE, STR)
+#define print_info(STR)          __console_tx_string(BIOS_INFO, STR)
+#define print_debug(STR)         __console_tx_string(BIOS_DEBUG, STR)
+#define print_spew(STR)          __console_tx_string(BIOS_SPEW, STR)
+
+#define print_emerg_char(CH)     __console_tx_char(BIOS_EMERG, CH)
+#define print_alert_char(CH)     __console_tx_char(BIOS_ALERT, CH)
+#define print_crit_char(CH)      __console_tx_char(BIOS_CRIT, CH)
+#define print_err_char(CH)       __console_tx_char(BIOS_ERR, CH)
+#define print_warning_char(CH)   __console_tx_char(BIOS_WARNING, CH)
+#define print_notice_char(CH)    __console_tx_char(BIOS_NOTICE, CH)
+#define print_info_char(CH)      __console_tx_char(BIOS_INFO, CH)
+#define print_debug_char(CH)     __console_tx_char(BIOS_DEBUG, CH)
+#define print_spew_char(CH)      __console_tx_char(BIOS_SPEW, CH)
+
+#define print_emerg_hex8(HEX)    __console_tx_hex8(BIOS_EMERG, HEX)
+#define print_alert_hex8(HEX)    __console_tx_hex8(BIOS_ALERT, HEX)
+#define print_crit_hex8(HEX)     __console_tx_hex8(BIOS_CRIT, HEX)
+#define print_err_hex8(HEX)      __console_tx_hex8(BIOS_ERR, HEX)
+#define print_warning_hex8(HEX)  __console_tx_hex8(BIOS_WARNING, HEX)
+#define print_notice_hex8(HEX)   __console_tx_hex8(BIOS_NOTICE, HEX)
+#define print_info_hex8(HEX)     __console_tx_hex8(BIOS_INFO, HEX)
+#define print_debug_hex8(HEX)    __console_tx_hex8(BIOS_DEBUG, HEX)
+#define print_spew_hex8(HEX)     __console_tx_hex8(BIOS_SPEW, HEX)
+
+#define print_emerg_hex16(HEX)   __console_tx_hex16(BIOS_EMERG, HEX)
+#define print_alert_hex16(HEX)   __console_tx_hex16(BIOS_ALERT, HEX)
+#define print_crit_hex16(HEX)    __console_tx_hex16(BIOS_CRIT, HEX)
+#define print_err_hex16(HEX)     __console_tx_hex16(BIOS_ERR, HEX)
+#define print_warning_hex16(HEX) __console_tx_hex16(BIOS_WARNING, HEX)
+#define print_notice_hex16(HEX)  __console_tx_hex16(BIOS_NOTICE, HEX)
+#define print_info_hex16(HEX)    __console_tx_hex16(BIOS_INFO, HEX)
+#define print_debug_hex16(HEX)   __console_tx_hex16(BIOS_DEBUG, HEX)
+#define print_spew_hex16(HEX)    __console_tx_hex16(BIOS_SPEW, HEX)
+
+#define print_emerg_hex32(HEX)   __console_tx_hex32(BIOS_EMERG, HEX)
+#define print_alert_hex32(HEX)   __console_tx_hex32(BIOS_ALERT, HEX)
+#define print_crit_hex32(HEX)    __console_tx_hex32(BIOS_CRIT, HEX)
+#define print_err_hex32(HEX)     __console_tx_hex32(BIOS_ERR, HEX)
+#define print_warning_hex32(HEX) __console_tx_hex32(BIOS_WARNING, HEX)
+#define print_notice_hex32(HEX)  __console_tx_hex32(BIOS_NOTICE, HEX)
+#define print_info_hex32(HEX)    __console_tx_hex32(BIOS_INFO, HEX)
+#define print_debug_hex32(HEX)   __console_tx_hex32(BIOS_DEBUG, HEX)
+#define print_spew_hex32(HEX)    __console_tx_hex32(BIOS_SPEW, HEX)
+
+#else
+
+#define print_emerg(STR)         printk(BIOS_EMERG,  "%s", (STR))
+#define print_alert(STR)         printk(BIOS_ALERT,  "%s", (STR))
+#define print_crit(STR)          printk(BIOS_CRIT,   "%s", (STR))
+#define print_err(STR)           printk(BIOS_ERR,    "%s", (STR))
+#define print_warning(STR)       printk(BIOS_WARNING,"%s", (STR))
+#define print_notice(STR)        printk(BIOS_NOTICE, "%s", (STR))
+#define print_info(STR)          printk(BIOS_INFO,   "%s", (STR))
+#define print_debug(STR)         printk(BIOS_DEBUG,  "%s", (STR))
+#define print_spew(STR)          printk(BIOS_SPEW,   "%s", (STR))
+
+#define print_emerg_char(CH)     printk(BIOS_EMERG,  "%c", (CH))
+#define print_alert_char(CH)     printk(BIOS_ALERT,  "%c", (CH))
+#define print_crit_char(CH)      printk(BIOS_CRIT,   "%c", (CH))
+#define print_err_char(CH)       printk(BIOS_ERR,    "%c", (CH))
+#define print_warning_char(CH)   printk(BIOS_WARNING,"%c", (CH))
+#define print_notice_char(CH)    printk(BIOS_NOTICE, "%c", (CH))
+#define print_info_char(CH)      printk(BIOS_INFO,   "%c", (CH))
+#define print_debug_char(CH)     printk(BIOS_DEBUG,  "%c", (CH))
+#define print_spew_char(CH)      printk(BIOS_SPEW,   "%c", (CH))
+
+#define print_emerg_hex8(HEX)    printk(BIOS_EMERG,  "%02x",  (HEX))
+#define print_alert_hex8(HEX)    printk(BIOS_ALERT,  "%02x",  (HEX))
+#define print_crit_hex8(HEX)     printk(BIOS_CRIT,   "%02x",  (HEX))
+#define print_err_hex8(HEX)      printk(BIOS_ERR,    "%02x",  (HEX))
+#define print_warning_hex8(HEX)  printk(BIOS_WARNING,"%02x",  (HEX))
+#define print_notice_hex8(HEX)   printk(BIOS_NOTICE, "%02x",  (HEX))
+#define print_info_hex8(HEX)     printk(BIOS_INFO,   "%02x",  (HEX))
+#define print_debug_hex8(HEX)    printk(BIOS_DEBUG,  "%02x",  (HEX))
+#define print_spew_hex8(HEX)     printk(BIOS_SPEW,   "%02x",  (HEX))
+
+#define print_emerg_hex16(HEX)   printk(BIOS_EMERG,  "%04x", (HEX))
+#define print_alert_hex16(HEX)   printk(BIOS_ALERT,  "%04x", (HEX))
+#define print_crit_hex16(HEX)    printk(BIOS_CRIT,   "%04x", (HEX))
+#define print_err_hex16(HEX)     printk(BIOS_ERR,    "%04x", (HEX))
+#define print_warning_hex16(HEX) printk(BIOS_WARNING,"%04x", (HEX))
+#define print_notice_hex16(HEX)  printk(BIOS_NOTICE, "%04x", (HEX))
+#define print_info_hex16(HEX)    printk(BIOS_INFO,   "%04x", (HEX))
+#define print_debug_hex16(HEX)   printk(BIOS_DEBUG,  "%04x", (HEX))
+#define print_spew_hex16(HEX)    printk(BIOS_SPEW,   "%04x", (HEX))
+
+#define print_emerg_hex32(HEX)   printk(BIOS_EMERG,  "%08x", (HEX))
+#define print_alert_hex32(HEX)   printk(BIOS_ALERT,  "%08x", (HEX))
+#define print_crit_hex32(HEX)    printk(BIOS_CRIT,   "%08x", (HEX))
+#define print_err_hex32(HEX)     printk(BIOS_ERR,    "%08x", (HEX))
+#define print_warning_hex32(HEX) printk(BIOS_WARNING,"%08x", (HEX))
+#define print_notice_hex32(HEX)  printk(BIOS_NOTICE, "%08x", (HEX))
+#define print_info_hex32(HEX)    printk(BIOS_INFO,   "%08x", (HEX))
+#define print_debug_hex32(HEX)   printk(BIOS_DEBUG,  "%08x", (HEX))
+#define print_spew_hex32(HEX)    printk(BIOS_SPEW,   "%08x", (HEX))
+
+#endif
+
+#endif /* __CONSOLE_EARLY_PRINT_H_ */
diff --git a/src/include/console/streams.h b/src/include/console/streams.h
index 288fade63e..9d4d3fcc6b 100644
--- a/src/include/console/streams.h
+++ b/src/include/console/streams.h
@@ -22,4 +22,11 @@ void console_hw_init(void);
 void console_tx_byte(unsigned char byte);
 void console_tx_flush(void);
 
+/* Helpers for ROMCC console. */
+void console_tx_nibble(unsigned nibble);
+void console_tx_hex8(unsigned char value);
+void console_tx_hex16(unsigned short value);
+void console_tx_hex32(unsigned int value);
+void console_tx_string(const char *str);
+
 #endif /* _CONSOLE_STREAMS_H_ */