summaryrefslogtreecommitdiff
path: root/src/include/console/console.h
blob: 004ff44bcaaa507a79439a09bbb5572ac5ace09c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
/*
 * 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>

#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_ */