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
35 #include <arch/types.h>
41 #define MIN(a,b) ((a) < (b) ? (a) : (b))
42 #define MAX(a,b) ((a) > (b) ? (a) : (b))
43 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
45 #define LITTLE_ENDIAN 1234
46 #define BIG_ENDIAN 4321
47 #ifdef CONFIG_TARGET_I386
48 #define BYTE_ORDER LITTLE_ENDIAN
50 #define BYTE_ORDER BIG_ENDIAN
53 #define EXIT_SUCCESS 0
54 #define EXIT_FAILURE 1
56 #define RAND_MAX 0x7fffffff
58 /* Some NVRAM byte definitions */
59 #define NVRAM_RTC_SECONDS 0
60 #define NVRAM_RTC_MINUTES 2
61 #define NVRAM_RTC_HOURS 4
62 #define NVRAM_RTC_DAY 7
63 #define NVRAM_RTC_MONTH 8
64 #define NVRAM_RTC_YEAR 9
65 #define NVRAM_RTC_FREQ_SELECT 10
66 #define NVRAM_RTC_UIP 0x80
81 u8 nvram_read(u8 addr);
82 void nvram_write(u8 val, u8 addr);
83 int nvram_updating(void);
84 void rtc_read_clock(struct tm *tm);
86 /* drivers/keyboard.c */
87 void keyboard_init(void);
88 int keyboard_havechar(void);
89 unsigned char keyboard_get_scancode(void);
90 int keyboard_getchar(void);
92 /* drivers/serial.c */
93 void serial_init(void);
94 void serial_putchar(unsigned char c);
95 int serial_havechar(void);
96 int serial_getchar(void);
98 /* drivers/speaker.c */
99 void speaker_enable(u16 freq);
100 void speaker_disable(void);
101 void speaker_tone(u16 freq, unsigned int duration);
104 int video_console_init(void);
105 void video_console_putchar(unsigned int ch);
106 void video_console_putc(u8 row, u8 col, unsigned int ch);
107 void video_console_clear(void);
108 void video_console_cursor_enable(int state);
111 void console_init(void);
113 int puts(const char *s);
116 int getchar_timeout(int *ms);
118 extern int last_putchar;
120 #define havechar havekey
139 /* libc/ipchecksum.c */
140 unsigned short ipchksum(const unsigned short *ptr, unsigned long nbytes);
143 void free(void *ptr);
144 void *malloc(size_t size);
145 void *calloc(size_t nmemb, size_t size);
146 void *realloc(void *ptr, size_t size);
149 int exec(long addr, int argc, char **argv);
155 long int labs(long int j);
156 long long int llabs(long long int j);
161 void *memset(void *s, int c, size_t n);
162 void *memcpy(void *dst, const void *src, size_t n);
163 void *memmove(void *dst, const void *src, size_t n);
164 int memcmp(const char *s1, const char *s2, size_t len);
167 int snprintf(char *str, size_t size, const char *fmt, ...);
168 int sprintf(char *str, const char *fmt, ...);
169 int vsnprintf(char *str, size_t size, const char *fmt, va_list ap);
170 int vsprintf(char *str, const char *fmt, va_list ap);
171 int printf(const char *fmt, ...);
172 int vprintf(const char *fmt, va_list ap);
175 int rand_r(unsigned int *seed);
177 void srand(unsigned int seed);
180 #define SHA1_BLOCK_LENGTH 64
181 #define SHA1_DIGEST_LENGTH 20
185 u8 buffer[SHA1_BLOCK_LENGTH];
187 void SHA1Init(SHA1_CTX *context);
188 void SHA1Transform(u32 state[5], const u8 buffer[SHA1_BLOCK_LENGTH]);
189 void SHA1Update(SHA1_CTX *context, const u8 *data, size_t len);
190 void SHA1Final(u8 digest[SHA1_DIGEST_LENGTH], SHA1_CTX *context);
191 u8 *sha1(const u8 *data, size_t len, u8 *buf);
194 size_t strnlen(const char *str, size_t maxlen);
195 size_t strlen(const char *str);
196 int strcmp(const char *s1, const char *s2);
197 int strncmp(const char *s1, const char *s2, int maxlen);
198 char *strncpy(char *d, const char *s, int n);
199 char *strcpy(char *d, const char *s);
200 char *strncat(char *d, const char *s, int n);
201 char *strchr(const char *s, int c);
202 char *strdup(const char *s);
203 char *strstr(const char *h, const char *n);
212 int gettimeofday(struct timeval *tv, void *tz);
226 u8 name[LAR_MAX_PATHLEN];
242 struct lar_header *header;
248 struct LAR *openlar(void *addr);
249 int closelar(struct LAR *lar);
250 struct larent *readlar(struct LAR *lar);
251 void rewindlar(struct LAR *lar);
252 int larstat(struct LAR *lar, const char *path, struct larstat *buf);
253 void *larfptr(struct LAR *lar, const char *filename);
254 int lfverify(struct LAR *lar, const char *filename);
255 struct LFILE * lfopen(struct LAR *lar, const char *filename);
256 int lfread(void *ptr, size_t size, size_t nmemb, struct LFILE *stream);
262 int lfseek(struct LFILE *stream, long offset, int whence);
263 int lfclose(struct LFILE *file);
265 /* i386/coreboot.c */
266 int get_coreboot_info(struct sysinfo_t *info);
269 void lib_get_sysinfo(void);
272 /* Timer functions - defined by each architecture. */
273 unsigned int get_cpu_speed(void);
274 void ndelay(unsigned int n);
275 void udelay(unsigned int n);
276 void mdelay(unsigned int n);
277 void delay(unsigned int n);
280 #define abort() halt()
281 void halt(void) __attribute__ ((noreturn));