2 * This file is part of the libpayload project.
4 * Copyright (C) 2008 Advanced Micro Devices, Inc.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #include <arch/types.h>
36 #include <arch/virtual.h>
42 #define MIN(a,b) ((a) < (b) ? (a) : (b))
43 #define MAX(a,b) ((a) > (b) ? (a) : (b))
44 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
46 #define LITTLE_ENDIAN 1234
47 #define BIG_ENDIAN 4321
49 #define EXIT_SUCCESS 0
50 #define EXIT_FAILURE 1
52 #define RAND_MAX 0x7fffffff
54 /* Payload information parameters - these are used to pass information
55 * to the entity loading the payload
56 * Usage: PAYLOAD_INFO(key, value)
57 * Example: PAYLOAD_INFO(name, "CoreInfo!")
60 #define _pstruct(key) __pinfo_ ##key
61 #define PAYLOAD_INFO(key, value) \
62 static const char _pstruct(key)[] \
63 __attribute__((__used__)) \
64 __attribute__((section(".note.pinfo"),unused)) = #key "=" value
66 /* Some NVRAM byte definitions */
67 #define NVRAM_RTC_SECONDS 0
68 #define NVRAM_RTC_MINUTES 2
69 #define NVRAM_RTC_HOURS 4
70 #define NVRAM_RTC_DAY 7
71 #define NVRAM_RTC_MONTH 8
72 #define NVRAM_RTC_YEAR 9
73 #define NVRAM_RTC_FREQ_SELECT 10
74 #define NVRAM_RTC_UIP 0x80
89 u8 nvram_read(u8 addr);
90 void nvram_write(u8 val, u8 addr);
91 int nvram_updating(void);
92 void rtc_read_clock(struct tm *tm);
94 /* drivers/keyboard.c */
95 void keyboard_init(void);
96 int keyboard_havechar(void);
97 unsigned char keyboard_get_scancode(void);
98 int keyboard_getchar(void);
100 /* drivers/serial.c */
101 void serial_init(void);
102 void serial_putchar(unsigned char c);
103 int serial_havechar(void);
104 int serial_getchar(void);
106 void serial_clear(void);
107 void serial_start_bold(void);
108 void serial_end_bold(void);
109 void serial_start_altcharset(void);
110 void serial_end_altcharset(void);
111 void serial_set_cursor(int y, int x);
113 /* drivers/speaker.c */
114 void speaker_enable(u16 freq);
115 void speaker_disable(void);
116 void speaker_tone(u16 freq, unsigned int duration);
119 int video_console_init(void);
120 void video_console_putchar(unsigned int ch);
121 void video_console_putc(u8 row, u8 col, unsigned int ch);
122 void video_console_clear(void);
123 void video_console_cursor_enable(int state);
124 void video_console_get_cursor(unsigned int *x, unsigned int *y, unsigned int *en);
125 void video_console_set_cursor(unsigned int cursorx, unsigned int cursory);
127 /* drivers/option.c */
128 int get_option(void *dest, char *name);
131 void console_init(void);
133 int puts(const char *s);
136 int getchar_timeout(int *ms);
138 extern int last_putchar;
140 #define havechar havekey
159 /* libc/ipchecksum.c */
160 unsigned short ipchksum(const void *ptr, unsigned long nbytes);
163 void free(void *ptr);
164 void *malloc(size_t size);
165 void *calloc(size_t nmemb, size_t size);
166 void *realloc(void *ptr, size_t size);
169 int exec(long addr, int argc, char **argv);
175 long int labs(long int j);
176 long long int llabs(long long int j);
181 void *memset(void *s, int c, size_t n);
182 void *memcpy(void *dst, const void *src, size_t n);
183 void *memmove(void *dst, const void *src, size_t n);
184 int memcmp(const void *s1, const void *s2, size_t len);
187 int snprintf(char *str, size_t size, const char *fmt, ...);
188 int sprintf(char *str, const char *fmt, ...);
189 int vsnprintf(char *str, size_t size, const char *fmt, va_list ap);
190 int vsprintf(char *str, const char *fmt, va_list ap);
191 int printf(const char *fmt, ...);
192 int vprintf(const char *fmt, va_list ap);
195 int rand_r(unsigned int *seed);
197 void srand(unsigned int seed);
200 #define SHA1_BLOCK_LENGTH 64
201 #define SHA1_DIGEST_LENGTH 20
205 u8 buffer[SHA1_BLOCK_LENGTH];
207 void SHA1Init(SHA1_CTX *context);
208 void SHA1Transform(u32 state[5], const u8 buffer[SHA1_BLOCK_LENGTH]);
209 void SHA1Update(SHA1_CTX *context, const u8 *data, size_t len);
210 void SHA1Final(u8 digest[SHA1_DIGEST_LENGTH], SHA1_CTX *context);
211 u8 *sha1(const u8 *data, size_t len, u8 *buf);
214 size_t strnlen(const char *str, size_t maxlen);
215 size_t strlen(const char *str);
216 int strcmp(const char *s1, const char *s2);
217 int strncmp(const char *s1, const char *s2, size_t maxlen);
218 char *strncpy(char *d, const char *s, size_t n);
219 char *strcpy(char *d, const char *s);
220 char *strncat(char *d, const char *s, size_t n);
221 char *strchr(const char *s, int c);
222 char *strdup(const char *s);
223 char *strstr(const char *h, const char *n);
232 int gettimeofday(struct timeval *tv, void *tz);
246 u8 name[LAR_MAX_PATHLEN];
262 struct lar_header *header;
268 struct LAR *openlar(void *addr);
269 int closelar(struct LAR *lar);
270 struct larent *readlar(struct LAR *lar);
271 void rewindlar(struct LAR *lar);
272 int larstat(struct LAR *lar, const char *path, struct larstat *buf);
273 void *larfptr(struct LAR *lar, const char *filename);
274 int lfverify(struct LAR *lar, const char *filename);
275 struct LFILE * lfopen(struct LAR *lar, const char *filename);
276 int lfread(void *ptr, size_t size, size_t nmemb, struct LFILE *stream);
282 int lfseek(struct LFILE *stream, long offset, int whence);
283 int lfclose(struct LFILE *file);
285 /* i386/coreboot.c */
286 int get_coreboot_info(struct sysinfo_t *info);
289 void lib_get_sysinfo(void);
292 /* Timer functions - defined by each architecture. */
293 unsigned int get_cpu_speed(void);
294 void ndelay(unsigned int n);
295 void udelay(unsigned int n);
296 void mdelay(unsigned int n);
297 void delay(unsigned int n);
300 #define abort() halt()
301 void halt(void) __attribute__ ((noreturn));
302 void fatal(const char* msg) __attribute__ ((noreturn));
304 /* libc/readline.c */
305 char * readline(const char * prompt);
306 int getline(char *buffer, int len);