This patch drops arch/i386/lib/console.c and arch/i386/lib/console_print.c and
[coreboot.git] / src / include / console / console.h
1 #ifndef CONSOLE_CONSOLE_H_
2 #define CONSOLE_CONSOLE_H_
3
4 #include <stdint.h>
5 #include <console/loglevel.h>
6
7 #ifndef __PRE_RAM__
8 void console_init(void);
9 void console_tx_byte(unsigned char byte);
10 void console_tx_flush(void);
11 unsigned char console_rx_byte(void);
12 int console_tst_byte(void);
13 void post_code(uint8_t value);
14 void __attribute__ ((noreturn)) die(const char *msg);
15 #if CONFIG_CONSOLE_VGA == 1
16 void vga_console_init(void);
17 #endif
18
19 struct console_driver {
20         void (*init)(void);
21         void (*tx_byte)(unsigned char byte);
22         void (*tx_flush)(void);
23         unsigned char (*rx_byte)(void);
24         int (*tst_byte)(void);
25 };
26
27 #define __console       __attribute__((used, __section__ (".rodata.console_drivers")))
28
29 /* Defined by the linker... */
30 extern struct console_driver console_drivers[];
31 extern struct console_driver econsole_drivers[];
32
33 extern int console_loglevel;
34 #endif /* !__PRE_RAM__ */
35
36 #ifndef __ROMCC__
37 int do_printk(int msg_level, const char *fmt, ...) __attribute__((format(printf, 2, 3)));
38
39 #undef WE_CLEANED_UP_ALL_SIDE_EFFECTS
40 /* We saw some strange effects in the past like coreboot crashing while
41  * disabling cache as ram for a maximum console log level of 6 and above while
42  * it worked fine without. In order to catch such issues reliably we are
43  * always doing a function call to do_printk with the full number of arguments.
44  * Our favorite reason to do it this way was:
45  *   disable_car();
46  *   printk(BIOS_DEBUG, "CAR disabled\n"); // oops, garbage stack pointer
47  *   move_stack();
48  * This slightly increases the code size and some unprinted strings will end
49  * up in the final coreboot binary (most of them compressed). If you want to
50  * avoid this, do a
51  * #define WE_CLEANED_UP_ALL_SIDE_EFFECTS
52  */
53 #ifdef WE_CLEANED_UP_ALL_SIDE_EFFECTS
54
55 #define printk(LEVEL, fmt, args...)                             \
56         do {                                                    \
57                 if (CONFIG_MAXIMUM_CONSOLE_LOGLEVEL >= LEVEL) { \
58                         do_printk(LEVEL, fmt, ##args);          \
59                 }                                               \
60         } while(0)
61
62 #else
63
64 #define printk(LEVEL, fmt, args...)                             \
65         do {                                                    \
66                 if (CONFIG_MAXIMUM_CONSOLE_LOGLEVEL >= LEVEL) { \
67                         do_printk(LEVEL, fmt, ##args);          \
68                 } else {                                        \
69                         do_printk(BIOS_NEVER, fmt, ##args);     \
70                 }                                               \
71         } while(0)
72 #endif
73
74 #define print_emerg(STR)         printk(BIOS_EMERG,  "%s", (STR))
75 #define print_alert(STR)         printk(BIOS_ALERT,  "%s", (STR))
76 #define print_crit(STR)          printk(BIOS_CRIT,   "%s", (STR))
77 #define print_err(STR)           printk(BIOS_ERR,    "%s", (STR))
78 #define print_warning(STR)       printk(BIOS_WARNING,"%s", (STR))
79 #define print_notice(STR)        printk(BIOS_NOTICE, "%s", (STR))
80 #define print_info(STR)          printk(BIOS_INFO,   "%s", (STR))
81 #define print_debug(STR)         printk(BIOS_DEBUG,  "%s", (STR))
82 #define print_spew(STR)          printk(BIOS_SPEW,   "%s", (STR))
83
84 #define print_emerg_char(CH)     printk(BIOS_EMERG,  "%c", (CH))
85 #define print_alert_char(CH)     printk(BIOS_ALERT,  "%c", (CH))
86 #define print_crit_char(CH)      printk(BIOS_CRIT,   "%c", (CH))
87 #define print_err_char(CH)       printk(BIOS_ERR,    "%c", (CH))
88 #define print_warning_char(CH)   printk(BIOS_WARNING,"%c", (CH))
89 #define print_notice_char(CH)    printk(BIOS_NOTICE, "%c", (CH))
90 #define print_info_char(CH)      printk(BIOS_INFO,   "%c", (CH))
91 #define print_debug_char(CH)     printk(BIOS_DEBUG,  "%c", (CH))
92 #define print_spew_char(CH)      printk(BIOS_SPEW,   "%c", (CH))
93
94 #define print_emerg_hex8(HEX)    printk(BIOS_EMERG,  "%02x",  (HEX))
95 #define print_alert_hex8(HEX)    printk(BIOS_ALERT,  "%02x",  (HEX))
96 #define print_crit_hex8(HEX)     printk(BIOS_CRIT,   "%02x",  (HEX))
97 #define print_err_hex8(HEX)      printk(BIOS_ERR,    "%02x",  (HEX))
98 #define print_warning_hex8(HEX)  printk(BIOS_WARNING,"%02x",  (HEX))
99 #define print_notice_hex8(HEX)   printk(BIOS_NOTICE, "%02x",  (HEX))
100 #define print_info_hex8(HEX)     printk(BIOS_INFO,   "%02x",  (HEX))
101 #define print_debug_hex8(HEX)    printk(BIOS_DEBUG,  "%02x",  (HEX))
102 #define print_spew_hex8(HEX)     printk(BIOS_SPEW,   "%02x",  (HEX))
103
104 #define print_emerg_hex16(HEX)   printk(BIOS_EMERG,  "%04x", (HEX))
105 #define print_alert_hex16(HEX)   printk(BIOS_ALERT,  "%04x", (HEX))
106 #define print_crit_hex16(HEX)    printk(BIOS_CRIT,   "%04x", (HEX))
107 #define print_err_hex16(HEX)     printk(BIOS_ERR,    "%04x", (HEX))
108 #define print_warning_hex16(HEX) printk(BIOS_WARNING,"%04x", (HEX))
109 #define print_notice_hex16(HEX)  printk(BIOS_NOTICE, "%04x", (HEX))
110 #define print_info_hex16(HEX)    printk(BIOS_INFO,   "%04x", (HEX))
111 #define print_debug_hex16(HEX)   printk(BIOS_DEBUG,  "%04x", (HEX))
112 #define print_spew_hex16(HEX)    printk(BIOS_SPEW,   "%04x", (HEX))
113
114 #define print_emerg_hex32(HEX)   printk(BIOS_EMERG,  "%08x", (HEX))
115 #define print_alert_hex32(HEX)   printk(BIOS_ALERT,  "%08x", (HEX))
116 #define print_crit_hex32(HEX)    printk(BIOS_CRIT,   "%08x", (HEX))
117 #define print_err_hex32(HEX)     printk(BIOS_ERR,    "%08x", (HEX))
118 #define print_warning_hex32(HEX) printk(BIOS_WARNING,"%08x", (HEX))
119 #define print_notice_hex32(HEX)  printk(BIOS_NOTICE, "%08x", (HEX))
120 #define print_info_hex32(HEX)    printk(BIOS_INFO,   "%08x", (HEX))
121 #define print_debug_hex32(HEX)   printk(BIOS_DEBUG,  "%08x", (HEX))
122 #define print_spew_hex32(HEX)    printk(BIOS_SPEW,   "%08x", (HEX))
123 #else
124 /* __ROMCC__ */
125 static void __console_tx_byte(unsigned char byte)
126 {
127         uart_tx_byte(byte);
128 }
129
130 static void __console_tx_nibble(unsigned nibble)
131 {
132         unsigned char digit;
133         digit = nibble + '0';
134         if (digit > '9') {
135                 digit += 39;
136         }
137         __console_tx_byte(digit);
138 }
139
140 static void __console_tx_char(int loglevel, unsigned char byte)
141 {
142         if (ASM_CONSOLE_LOGLEVEL >= loglevel) {
143                 uart_tx_byte(byte);
144         }
145 }
146
147 static void __console_tx_hex8(int loglevel, unsigned char value)
148 {
149         if (ASM_CONSOLE_LOGLEVEL >= loglevel) {
150                 __console_tx_nibble((value >>  4U) & 0x0fU);
151                 __console_tx_nibble(value & 0x0fU);
152         }
153 }
154
155 static void __console_tx_hex16(int loglevel, unsigned short value)
156 {
157         if (ASM_CONSOLE_LOGLEVEL >= loglevel) {
158                 __console_tx_nibble((value >> 12U) & 0x0fU);
159                 __console_tx_nibble((value >>  8U) & 0x0fU);
160                 __console_tx_nibble((value >>  4U) & 0x0fU);
161                 __console_tx_nibble(value & 0x0fU);
162         }
163 }
164
165 static void __console_tx_hex32(int loglevel, unsigned int value)
166 {
167         if (ASM_CONSOLE_LOGLEVEL >= loglevel) {
168                 __console_tx_nibble((value >> 28U) & 0x0fU);
169                 __console_tx_nibble((value >> 24U) & 0x0fU);
170                 __console_tx_nibble((value >> 20U) & 0x0fU);
171                 __console_tx_nibble((value >> 16U) & 0x0fU);
172                 __console_tx_nibble((value >> 12U) & 0x0fU);
173                 __console_tx_nibble((value >>  8U) & 0x0fU);
174                 __console_tx_nibble((value >>  4U) & 0x0fU);
175                 __console_tx_nibble(value & 0x0fU);
176         }
177 }
178
179 static void __console_tx_string(int loglevel, const char *str)
180 {
181         if (ASM_CONSOLE_LOGLEVEL >= loglevel) {
182                 unsigned char ch;
183                 while((ch = *str++) != '\0') {
184                         if (ch == '\n')
185                                 __console_tx_byte('\r');
186                         __console_tx_byte(ch);
187                 }
188         }
189 }
190
191 #define FUNCTIONS_FOR_PRINT
192 #ifdef  FUNCTIONS_FOR_PRINT
193 static void print_emerg_char(unsigned char byte) { __console_tx_char(BIOS_EMERG, byte); }
194 static void print_emerg_hex8(unsigned char value){ __console_tx_hex8(BIOS_EMERG, value); }
195 static void print_emerg_hex16(unsigned short value){ __console_tx_hex16(BIOS_EMERG, value); }
196 static void print_emerg_hex32(unsigned int value) { __console_tx_hex32(BIOS_EMERG, value); }
197 static void print_emerg(const char *str) { __console_tx_string(BIOS_EMERG, str); }
198
199 static void print_alert_char(unsigned char byte) { __console_tx_char(BIOS_ALERT, byte); }
200 static void print_alert_hex8(unsigned char value) { __console_tx_hex8(BIOS_ALERT, value); }
201 static void print_alert_hex16(unsigned short value){ __console_tx_hex16(BIOS_ALERT, value); }
202 static void print_alert_hex32(unsigned int value) { __console_tx_hex32(BIOS_ALERT, value); }
203 static void print_alert(const char *str) { __console_tx_string(BIOS_ALERT, str); }
204
205 static void print_crit_char(unsigned char byte) { __console_tx_char(BIOS_CRIT, byte); }
206 static void print_crit_hex8(unsigned char value) { __console_tx_hex8(BIOS_CRIT, value); }
207 static void print_crit_hex16(unsigned short value){ __console_tx_hex16(BIOS_CRIT, value); }
208 static void print_crit_hex32(unsigned int value) { __console_tx_hex32(BIOS_CRIT, value); }
209 static void print_crit(const char *str) { __console_tx_string(BIOS_CRIT, str); }
210
211 static void print_err_char(unsigned char byte) { __console_tx_char(BIOS_ERR, byte); }
212 static void print_err_hex8(unsigned char value) { __console_tx_hex8(BIOS_ERR, value); }
213 static void print_err_hex16(unsigned short value){ __console_tx_hex16(BIOS_ERR, value); }
214 static void print_err_hex32(unsigned int value) { __console_tx_hex32(BIOS_ERR, value); }
215 static void print_err(const char *str) { __console_tx_string(BIOS_ERR, str); }
216
217 static void print_warning_char(unsigned char byte) { __console_tx_char(BIOS_WARNING, byte); }
218 static void print_warning_hex8(unsigned char value) { __console_tx_hex8(BIOS_WARNING, value); }
219 static void print_warning_hex16(unsigned short value){ __console_tx_hex16(BIOS_WARNING, value); }
220 static void print_warning_hex32(unsigned int value) { __console_tx_hex32(BIOS_WARNING, value); }
221 static void print_warning(const char *str) { __console_tx_string(BIOS_WARNING, str); }
222
223 static void print_notice_char(unsigned char byte) { __console_tx_char(BIOS_NOTICE, byte); }
224 static void print_notice_hex8(unsigned char value) { __console_tx_hex8(BIOS_NOTICE, value); }
225 static void print_notice_hex16(unsigned short value){ __console_tx_hex16(BIOS_NOTICE, value); }
226 static void print_notice_hex32(unsigned int value) { __console_tx_hex32(BIOS_NOTICE, value); }
227 static void print_notice(const char *str) { __console_tx_string(BIOS_NOTICE, str); }
228
229 static void print_info_char(unsigned char byte) { __console_tx_char(BIOS_INFO, byte); }
230 static void print_info_hex8(unsigned char value) { __console_tx_hex8(BIOS_INFO, value); }
231 static void print_info_hex16(unsigned short value){ __console_tx_hex16(BIOS_INFO, value); }
232 static void print_info_hex32(unsigned int value) { __console_tx_hex32(BIOS_INFO, value); }
233 static void print_info(const char *str) { __console_tx_string(BIOS_INFO, str); }
234
235 static void print_debug_char(unsigned char byte) { __console_tx_char(BIOS_DEBUG, byte); }
236 static void print_debug_hex8(unsigned char value) { __console_tx_hex8(BIOS_DEBUG, value); }
237 static void print_debug_hex16(unsigned short value){ __console_tx_hex16(BIOS_DEBUG, value); }
238 static void print_debug_hex32(unsigned int value) { __console_tx_hex32(BIOS_DEBUG, value); }
239 static void print_debug(const char *str) { __console_tx_string(BIOS_DEBUG, str); }
240
241 static void print_spew_char(unsigned char byte) { __console_tx_char(BIOS_SPEW, byte); }
242 static void print_spew_hex8(unsigned char value) { __console_tx_hex8(BIOS_SPEW, value); }
243 static void print_spew_hex16(unsigned short value){ __console_tx_hex16(BIOS_SPEW, value); }
244 static void print_spew_hex32(unsigned int value) { __console_tx_hex32(BIOS_SPEW, value); }
245 static void print_spew(const char *str) { __console_tx_string(BIOS_SPEW, str); }
246
247 #else
248 #define print_emerg(STR)         __console_tx_string(BIOS_EMERG, STR)
249 #define print_alert(STR)         __console_tx_string(BIOS_ALERT, STR)
250 #define print_crit(STR)          __console_tx_string(BIOS_CRIT, STR)
251 #define print_err(STR)           __console_tx_string(BIOS_ERR, STR)
252 #define print_warning(STR)       __console_tx_string(BIOS_WARNING, STR)
253 #define print_notice(STR)        __console_tx_string(BIOS_NOTICE, STR)
254 #define print_info(STR)          __console_tx_string(BIOS_INFO, STR)
255 #define print_debug(STR)         __console_tx_string(BIOS_DEBUG, STR)
256 #define print_spew(STR)          __console_tx_string(BIOS_SPEW, STR)
257
258 #define print_emerg_char(CH)     __console_tx_char(BIOS_EMERG, CH)
259 #define print_alert_char(CH)     __console_tx_char(BIOS_ALERT, CH)
260 #define print_crit_char(CH)      __console_tx_char(BIOS_CRIT, CH)
261 #define print_err_char(CH)       __console_tx_char(BIOS_ERR, CH)
262 #define print_warning_char(CH)   __console_tx_char(BIOS_WARNING, CH)
263 #define print_notice_char(CH)    __console_tx_char(BIOS_NOTICE, CH)
264 #define print_info_char(CH)      __console_tx_char(BIOS_INFO, CH)
265 #define print_debug_char(CH)     __console_tx_char(BIOS_DEBUG, CH)
266 #define print_spew_char(CH)      __console_tx_char(BIOS_SPEW, CH)
267
268 #define print_emerg_hex8(HEX)    __console_tx_hex8(BIOS_EMERG, HEX)
269 #define print_alert_hex8(HEX)    __console_tx_hex8(BIOS_ALERT, HEX)
270 #define print_crit_hex8(HEX)     __console_tx_hex8(BIOS_CRIT, HEX)
271 #define print_err_hex8(HEX)      __console_tx_hex8(BIOS_ERR, HEX)
272 #define print_warning_hex8(HEX)  __console_tx_hex8(BIOS_WARNING, HEX)
273 #define print_notice_hex8(HEX)   __console_tx_hex8(BIOS_NOTICE, HEX)
274 #define print_info_hex8(HEX)     __console_tx_hex8(BIOS_INFO, HEX)
275 #define print_debug_hex8(HEX)    __console_tx_hex8(BIOS_DEBUG, HEX)
276 #define print_spew_hex8(HEX)     __console_tx_hex8(BIOS_SPEW, HEX)
277
278 #define print_emerg_hex16(HEX)   __console_tx_hex16(BIOS_EMERG, HEX)
279 #define print_alert_hex16(HEX)   __console_tx_hex16(BIOS_ALERT, HEX)
280 #define print_crit_hex16(HEX)    __console_tx_hex16(BIOS_CRIT, HEX)
281 #define print_err_hex16(HEX)     __console_tx_hex16(BIOS_ERR, HEX)
282 #define print_warning_hex16(HEX) __console_tx_hex16(BIOS_WARNING, HEX)
283 #define print_notice_hex16(HEX)  __console_tx_hex16(BIOS_NOTICE, HEX)
284 #define print_info_hex16(HEX)    __console_tx_hex16(BIOS_INFO, HEX)
285 #define print_debug_hex16(HEX)   __console_tx_hex16(BIOS_DEBUG, HEX)
286 #define print_spew_hex16(HEX)    __console_tx_hex16(BIOS_SPEW, HEX)
287
288 #define print_emerg_hex32(HEX)   __console_tx_hex32(BIOS_EMERG, HEX)
289 #define print_alert_hex32(HEX)   __console_tx_hex32(BIOS_ALERT, HEX)
290 #define print_crit_hex32(HEX)    __console_tx_hex32(BIOS_CRIT, HEX)
291 #define print_err_hex32(HEX)     __console_tx_hex32(BIOS_ERR, HEX)
292 #define print_warning_hex32(HEX) __console_tx_hex32(BIOS_WARNING, HEX)
293 #define print_notice_hex32(HEX)  __console_tx_hex32(BIOS_NOTICE, HEX)
294 #define print_info_hex32(HEX)    __console_tx_hex32(BIOS_INFO, HEX)
295 #define print_debug_hex32(HEX)   __console_tx_hex32(BIOS_DEBUG, HEX)
296 #define print_spew_hex32(HEX)    __console_tx_hex32(BIOS_SPEW, HEX)
297 #endif
298
299 #endif
300
301 #endif /* CONSOLE_CONSOLE_H_ */