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console: Split ROMCC helpers

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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>
This commit is contained in:
Kyösti Mälkki
2014-04-13 17:57:34 +03:00
parent 4076072b6c
commit efb0b51e62
5 changed files with 241 additions and 178 deletions
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64
src/console/early_print.c Normal file
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/*
* 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);
}
}