+/*
+ * 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>
-void console_init(void);
+#if CONFIG_CONSOLE_SERIAL8250 || CONFIG_CONSOLE_SERIAL8250MEM
+#include <uart8250.h>
+#endif
+#if CONFIG_USBDEBUG
+#include <usbdebug.h>
+#endif
+#if CONFIG_CONSOLE_NE2K
+#include <console/ne2k.h>
+#endif
+#if CONFIG_CONSOLE_CBMEM
+#include <console/cbmem_console.h>
+#endif
+
+#ifndef __PRE_RAM__
void console_tx_byte(unsigned char byte);
void console_tx_flush(void);
-void post_code(uint8_t value);
-void die(char *msg);
-
+unsigned char console_rx_byte(void);
+int console_tst_byte(void);
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__((unused, __section__ (".rodata.console_drivers")))
+#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;
-int do_printk(int msg_level, const char *fmt, ...);
-
-#define printk_emerg(fmt, arg...) do_printk(BIOS_EMERG ,fmt, ##arg)
-#define printk_alert(fmt, arg...) do_printk(BIOS_ALERT ,fmt, ##arg)
-#define printk_crit(fmt, arg...) do_printk(BIOS_CRIT ,fmt, ##arg)
-#define printk_err(fmt, arg...) do_printk(BIOS_ERR ,fmt, ##arg)
-#define printk_warning(fmt, arg...) do_printk(BIOS_WARNING ,fmt, ##arg)
-#define printk_notice(fmt, arg...) do_printk(BIOS_NOTICE ,fmt, ##arg)
-#define printk_info(fmt, arg...) do_printk(BIOS_INFO ,fmt, ##arg)
-#define printk_debug(fmt, arg...) do_printk(BIOS_DEBUG ,fmt, ##arg)
-#define printk_spew(fmt, arg...) do_printk(BIOS_SPEW ,fmt, ##arg)
-
-#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_EMERG
-#undef printk_emerg
-#define printk_emerg(fmt, arg...) do {} while(0)
-#endif
-#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_ALERT
-#undef printk_alert
-#define printk_alart(fmt, arg...) do {} while(0)
+#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
#endif
-#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_CRIT
-#undef printk_crit
-#define printk_crit(fmt, arg...) do {} while(0)
-#endif
-#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_ERR
-#undef printk_err
-#define printk_err(fmt, arg...) do {} while(0)
-#endif
-#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_WARNING
-#undef printk_warning
-#define printk_warning(fmt, arg...) do {} while(0)
-#endif
-#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_NOTICE
-#undef printk_notice
-#define printk_notice(fmt, arg...) do {} while(0)
-#endif
-#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_INFO
-#undef printk_info
-#define printk_info(fmt, arg...) do {} while(0)
-#endif
-#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_DEBUG
-#undef printk_debug
-#define printk_debug(fmt, arg...) do {} while(0)
-#endif
-#if MAXIMUM_CONSOLE_LOGLEVEL <= BIOS_SPEW
-#undef printk_spew
-#define printk_spew(fmt, arg...) do {} while(0)
+
+#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_emerg ("%s", (STR))
-#define print_alert(STR) printk_alert ("%s", (STR))
-#define print_crit(STR) printk_crit ("%s", (STR))
-#define print_err(STR) printk_err ("%s", (STR))
-#define print_warning(STR) printk_warning("%s", (STR))
-#define print_notice(STR) printk_notice ("%s", (STR))
-#define print_info(STR) printk_info ("%s", (STR))
-#define print_debug(STR) printk_debug ("%s", (STR))
-#define print_spew(STR) printk_spew ("%s", (STR))
-
-#define print_emerg_char(CH) printk_emerg ("%c", (CH))
-#define print_alert_char(CH) printk_alert ("%c", (CH))
-#define print_crit_char(CH) printk_crit ("%c", (CH))
-#define print_err_char(CH) printk_err ("%c", (CH))
-#define print_warning_char(CH) printk_warning("%c", (CH))
-#define print_notice_char(CH) printk_notice ("%c", (CH))
-#define print_info_char(CH) printk_info ("%c", (CH))
-#define print_debug_char(CH) printk_debug ("%c", (CH))
-#define print_spew_char(CH) printk_spew ("%c", (CH))
-
-#define print_emerg_hex8(HEX) printk_emerg ("%02x", (HEX))
-#define print_alert_hex8(HEX) printk_alert ("%02x", (HEX))
-#define print_crit_hex8(HEX) printk_crit ("%02x", (HEX))
-#define print_err_hex8(HEX) printk_err ("%02x", (HEX))
-#define print_warning_hex8(HEX) printk_warning("%02x", (HEX))
-#define print_notice_hex8(HEX) printk_notice ("%02x", (HEX))
-#define print_info_hex8(HEX) printk_info ("%02x", (HEX))
-#define print_debug_hex8(HEX) printk_debug ("%02x", (HEX))
-#define print_spew_hex8(HEX) printk_spew ("%02x", (HEX))
-
-#define print_emerg_hex16(HEX) printk_emerg ("%04x", (HEX))
-#define print_alert_hex16(HEX) printk_alert ("%04x", (HEX))
-#define print_crit_hex16(HEX) printk_crit ("%04x", (HEX))
-#define print_err_hex16(HEX) printk_err ("%04x", (HEX))
-#define print_warning_hex16(HEX) printk_warning("%04x", (HEX))
-#define print_notice_hex16(HEX) printk_notice ("%04x", (HEX))
-#define print_info_hex16(HEX) printk_info ("%04x", (HEX))
-#define print_debug_hex16(HEX) printk_debug ("%04x", (HEX))
-#define print_spew_hex16(HEX) printk_spew ("%04x", (HEX))
-
-#define print_emerg_hex32(HEX) printk_emerg ("%08x", (HEX))
-#define print_alert_hex32(HEX) printk_alert ("%08x", (HEX))
-#define print_crit_hex32(HEX) printk_crit ("%08x", (HEX))
-#define print_err_hex32(HEX) printk_err ("%08x", (HEX))
-#define print_warning_hex32(HEX) printk_warning("%08x", (HEX))
-#define print_notice_hex32(HEX) printk_notice ("%08x", (HEX))
-#define print_info_hex32(HEX) printk_info ("%08x", (HEX))
-#define print_debug_hex32(HEX) printk_debug ("%08x", (HEX))
-#define print_spew_hex32(HEX) printk_spew ("%08x", (HEX))
+#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)
+
+#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)
+
+#include "arch/x86/lib/romcc_console.c"
+
+#endif /* __ROMCC__ */
#endif /* CONSOLE_CONSOLE_H_ */
projects / coreboot.git / blobdiff