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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2003 Eric Biederman
*
* 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_CONSOLE_H_
#define CONSOLE_CONSOLE_H_
#include <stdint.h>
#include <console/loglevel.h>
#include <console/post_codes.h>
#ifndef __PRE_RAM__
void console_tx_byte(unsigned char byte);
void console_tx_flush(void);
unsigned char console_rx_byte(void);
int console_tst_byte(void);
#if CONFIG_USBDEBUG
#include <usbdebug.h>
#endif
struct console_driver {
void (*init)(void);
void (*tx_byte)(unsigned char byte);
void (*tx_flush)(void);
unsigned char (*rx_byte)(void);
int (*tst_byte)(void);
};
#define __console __attribute__((used, __section__ (".rodata.console_drivers")))
/* Defined by the linker... */
extern struct console_driver console_drivers[];
extern struct console_driver econsole_drivers[];
extern int console_loglevel;
#else
/* __PRE_RAM__ */
/* Using a global varible can cause problems when we reset the stack
* from cache as ram to ram. If we make this a define USE_SHARED_STACK
* we could use the same code on all architectures.
*/
#define console_loglevel CONFIG_DEFAULT_CONSOLE_LOGLEVEL
#if CONFIG_CONSOLE_SERIAL8250
#include <uart8250.h>
#endif
#endif
#ifndef __ROMCC__
void console_init(void);
void post_code(u8 value);
void __attribute__ ((noreturn)) die(const char *msg);
int do_printk(int msg_level, const char *fmt, ...) __attribute__((format(printf, 2, 3)));
#undef WE_CLEANED_UP_ALL_SIDE_EFFECTS
/* We saw some strange effects in the past like coreboot crashing while
* disabling cache as ram for a maximum console log level of 6 and above while
* it worked fine without. In order to catch such issues reliably we are
* always doing a function call to do_printk with the full number of arguments.
* Our favorite reason to do it this way was:
* disable_car();
* printk(BIOS_DEBUG, "CAR disabled\n"); // oops, garbage stack pointer
* move_stack();
* This slightly increases the code size and some unprinted strings will end
* up in the final coreboot binary (most of them compressed). If you want to
* avoid this, do a
* #define WE_CLEANED_UP_ALL_SIDE_EFFECTS
*/
#ifdef WE_CLEANED_UP_ALL_SIDE_EFFECTS
#define printk(LEVEL, fmt, args...) \
do { \
if (CONFIG_MAXIMUM_CONSOLE_LOGLEVEL >= LEVEL) { \
do_printk(LEVEL, fmt, ##args); \
} \
} while(0)
#else
#define printk(LEVEL, fmt, args...) \
do { \
if (CONFIG_MAXIMUM_CONSOLE_LOGLEVEL >= LEVEL) { \
do_printk(LEVEL, fmt, ##args); \
} else { \
do_printk(BIOS_NEVER, fmt, ##args); \
} \
} while(0)
#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__ */
#if CONFIG_CONSOLE_SERIAL8250
#include "lib/uart8250.c"
#endif
#if CONFIG_CONSOLE_NE2K
#include "lib/ne2k.c"
#endif
static void __console_tx_byte(unsigned char byte)
{
#if CONFIG_CONSOLE_SERIAL8250
uart8250_tx_byte(CONFIG_TTYS0_BASE, byte);
#endif
#if CONFIG_CONSOLE_NE2K
ne2k_append_data_byte(byte, CONFIG_CONSOLE_NE2K_IO_PORT);
#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_loglevel >= loglevel) {
#if CONFIG_CONSOLE_SERIAL8250
uart8250_tx_byte(CONFIG_TTYS0_BASE, byte);
#endif
#if CONFIG_CONSOLE_NE2K
ne2k_append_data_byte(byte, CONFIG_CONSOLE_NE2K_IO_PORT);
ne2k_transmit(CONFIG_CONSOLE_NE2K_IO_PORT);
#endif
}
}
static void __console_tx_hex8(int loglevel, unsigned char value)
{
if (console_loglevel >= loglevel) {
__console_tx_nibble((value >> 4U) & 0x0fU);
__console_tx_nibble(value & 0x0fU);
}
#if CONFIG_CONSOLE_NE2K
ne2k_transmit(CONFIG_CONSOLE_NE2K_IO_PORT);
#endif
}
static void __console_tx_hex16(int loglevel, unsigned short value)
{
if (console_loglevel >= loglevel) {
__console_tx_nibble((value >> 12U) & 0x0fU);
__console_tx_nibble((value >> 8U) & 0x0fU);
__console_tx_nibble((value >> 4U) & 0x0fU);
__console_tx_nibble(value & 0x0fU);
}
#if CONFIG_CONSOLE_NE2K
ne2k_transmit(CONFIG_CONSOLE_NE2K_IO_PORT);
#endif
}
static void __console_tx_hex32(int loglevel, unsigned int value)
{
if (console_loglevel >= 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);
}
#if CONFIG_CONSOLE_NE2K
ne2k_transmit(CONFIG_CONSOLE_NE2K_IO_PORT);
#endif
}
static void __console_tx_string(int loglevel, const char *str)
{
if (console_loglevel >= loglevel) {
unsigned char ch;
while((ch = *str++) != '\0') {
if (ch == '\n')
__console_tx_byte('\r');
__console_tx_byte(ch);
}
#if CONFIG_CONSOLE_NE2K
ne2k_transmit(CONFIG_CONSOLE_NE2K_IO_PORT);
#endif
}
}
#define FUNCTIONS_FOR_PRINT
#ifdef FUNCTIONS_FOR_PRINT
static void print_emerg_char(unsigned char byte) { __console_tx_char(BIOS_EMERG, byte); }
static void print_emerg_hex8(unsigned char value){ __console_tx_hex8(BIOS_EMERG, value); }
static void print_emerg_hex16(unsigned short value){ __console_tx_hex16(BIOS_EMERG, value); }
static void print_emerg_hex32(unsigned int value) { __console_tx_hex32(BIOS_EMERG, value); }
static void print_emerg(const char *str) { __console_tx_string(BIOS_EMERG, str); }
static void print_alert_char(unsigned char byte) { __console_tx_char(BIOS_ALERT, byte); }
static void print_alert_hex8(unsigned char value) { __console_tx_hex8(BIOS_ALERT, value); }
static void print_alert_hex16(unsigned short value){ __console_tx_hex16(BIOS_ALERT, value); }
static void print_alert_hex32(unsigned int value) { __console_tx_hex32(BIOS_ALERT, value); }
static void print_alert(const char *str) { __console_tx_string(BIOS_ALERT, str); }
static void print_crit_char(unsigned char byte) { __console_tx_char(BIOS_CRIT, byte); }
static void print_crit_hex8(unsigned char value) { __console_tx_hex8(BIOS_CRIT, value); }
static void print_crit_hex16(unsigned short value){ __console_tx_hex16(BIOS_CRIT, value); }
static void print_crit_hex32(unsigned int value) { __console_tx_hex32(BIOS_CRIT, value); }
static void print_crit(const char *str) { __console_tx_string(BIOS_CRIT, str); }
static void print_err_char(unsigned char byte) { __console_tx_char(BIOS_ERR, byte); }
static void print_err_hex8(unsigned char value) { __console_tx_hex8(BIOS_ERR, value); }
static void print_err_hex16(unsigned short value){ __console_tx_hex16(BIOS_ERR, value); }
static void print_err_hex32(unsigned int value) { __console_tx_hex32(BIOS_ERR, value); }
static void print_err(const char *str) { __console_tx_string(BIOS_ERR, str); }
static void print_warning_char(unsigned char byte) { __console_tx_char(BIOS_WARNING, byte); }
static void print_warning_hex8(unsigned char value) { __console_tx_hex8(BIOS_WARNING, value); }
static void print_warning_hex16(unsigned short value){ __console_tx_hex16(BIOS_WARNING, value); }
static void print_warning_hex32(unsigned int value) { __console_tx_hex32(BIOS_WARNING, value); }
static void print_warning(const char *str) { __console_tx_string(BIOS_WARNING, str); }
static void print_notice_char(unsigned char byte) { __console_tx_char(BIOS_NOTICE, byte); }
static void print_notice_hex8(unsigned char value) { __console_tx_hex8(BIOS_NOTICE, value); }
static void print_notice_hex16(unsigned short value){ __console_tx_hex16(BIOS_NOTICE, value); }
static void print_notice_hex32(unsigned int value) { __console_tx_hex32(BIOS_NOTICE, value); }
static void print_notice(const char *str) { __console_tx_string(BIOS_NOTICE, str); }
static void print_info_char(unsigned char byte) { __console_tx_char(BIOS_INFO, byte); }
static void print_info_hex8(unsigned char value) { __console_tx_hex8(BIOS_INFO, value); }
static void print_info_hex16(unsigned short value){ __console_tx_hex16(BIOS_INFO, value); }
static void print_info_hex32(unsigned int value) { __console_tx_hex32(BIOS_INFO, value); }
static void print_info(const char *str) { __console_tx_string(BIOS_INFO, str); }
static void print_debug_char(unsigned char byte) { __console_tx_char(BIOS_DEBUG, byte); }
static void print_debug_hex8(unsigned char value) { __console_tx_hex8(BIOS_DEBUG, value); }
static void print_debug_hex16(unsigned short value){ __console_tx_hex16(BIOS_DEBUG, value); }
static void print_debug_hex32(unsigned int value) { __console_tx_hex32(BIOS_DEBUG, value); }
static void print_debug(const char *str) { __console_tx_string(BIOS_DEBUG, str); }
static void print_spew_char(unsigned char byte) { __console_tx_char(BIOS_SPEW, byte); }
static void print_spew_hex8(unsigned char value) { __console_tx_hex8(BIOS_SPEW, value); }
static void print_spew_hex16(unsigned short value){ __console_tx_hex16(BIOS_SPEW, value); }
static void print_spew_hex32(unsigned int value) { __console_tx_hex32(BIOS_SPEW, value); }
static void print_spew(const char *str) { __console_tx_string(BIOS_SPEW, str); }
#else
#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)
#endif
/* if included by romcc, include the sources, too. romcc can't use prototypes */
#include <console/console.c>
#include <console/post.c>
#include <console/die.c>
#endif
#endif /* CONSOLE_CONSOLE_H_ */
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