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>
40 #define MIN(a,b) ((a) < (b) ? (a) : (b))
41 #define MAX(a,b) ((a) > (b) ? (a) : (b))
42 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
44 #define LITTLE_ENDIAN 1234
45 #define BIG_ENDIAN 4321
46 #ifdef CONFIG_TARGET_I386
47 #define BYTE_ORDER LITTLE_ENDIAN
49 #define BYTE_ORDER BIG_ENDIAN
52 #define EXIT_SUCCESS 0
53 #define EXIT_FAILURE 1
55 #define RAND_MAX 0x7fffffff
57 /* Some NVRAM byte definitions */
58 #define NVRAM_RTC_SECONDS 0
59 #define NVRAM_RTC_MINUTES 2
60 #define NVRAM_RTC_HOURS 4
61 #define NVRAM_RTC_DAY 7
62 #define NVRAM_RTC_MONTH 8
63 #define NVRAM_RTC_YEAR 9
64 #define NVRAM_RTC_FREQ_SELECT 10
65 #define NVRAM_RTC_UIP 0x80
80 u8 nvram_read(u8 addr);
81 void nvram_write(u8 val, u8 addr);
82 int nvram_updating(void);
83 void rtc_read_clock(struct tm *tm);
85 /* drivers/keyboard.c */
86 void keyboard_init(void);
87 int keyboard_havechar(void);
88 unsigned char keyboard_get_scancode(void);
89 int keyboard_getchar(void);
91 /* drivers/serial.c */
92 void serial_init(void);
93 void serial_putchar(unsigned char c);
94 int serial_havechar(void);
95 int serial_getchar(void);
97 /* drivers/speaker.c */
98 void speaker_enable(u16 freq);
99 void speaker_disable(void);
100 void speaker_tone(u16 freq, unsigned int duration);
103 int video_console_init(void);
104 void video_console_putchar(unsigned int ch);
105 void video_console_putc(u8 row, u8 col, unsigned int ch);
106 void video_console_clear(void);
107 void video_console_cursor_enable(int state);
110 void console_init(void);
112 int puts(const char *s);
115 int getchar_timeout(int *ms);
117 extern int last_putchar;
119 #define havechar havekey
138 /* libc/ipchecksum.c */
139 unsigned short ipchksum(const unsigned short *ptr, unsigned long nbytes);
142 void free(void *ptr);
143 void *malloc(size_t size);
144 void *calloc(size_t nmemb, size_t size);
145 void *realloc(void *ptr, size_t size);
151 long int labs(long int j);
152 long long int llabs(long long int j);
157 void *memset(void *s, int c, size_t n);
158 void *memcpy(void *dst, const void *src, size_t n);
159 void *memmove(void *dst, const void *src, size_t n);
160 int memcmp(const char *s1, const char *s2, size_t len);
163 int snprintf(char *str, size_t size, const char *fmt, ...);
164 int sprintf(char *str, const char *fmt, ...);
165 int vsnprintf(char *str, size_t size, const char *fmt, va_list ap);
166 int vsprintf(char *str, const char *fmt, va_list ap);
167 int printf(const char *fmt, ...);
168 int vprintf(const char *fmt, va_list ap);
171 int rand_r(unsigned int *seed);
173 void srand(unsigned int seed);
176 #define SHA1_BLOCK_LENGTH 64
177 #define SHA1_DIGEST_LENGTH 20
181 u8 buffer[SHA1_BLOCK_LENGTH];
183 void SHA1Init(SHA1_CTX *context);
184 void SHA1Transform(u32 state[5], const u8 buffer[SHA1_BLOCK_LENGTH]);
185 void SHA1Update(SHA1_CTX *context, const u8 *data, size_t len);
186 void SHA1Final(u8 digest[SHA1_DIGEST_LENGTH], SHA1_CTX *context);
187 u8 *sha1(const u8 *data, size_t len, u8 *buf);
190 size_t strnlen(const char *str, size_t maxlen);
191 size_t strlen(const char *str);
192 int strcmp(const char *s1, const char *s2);
193 int strncmp(const char *s1, const char *s2, int maxlen);
194 char *strncpy(char *d, const char *s, int n);
195 char *strcpy(char *d, const char *s);
196 char *strncat(char *d, const char *s, int n);
197 char *strchr(const char *s, int c);
198 char *strdup(const char *s);
199 char *strstr(const char *h, const char *n);
208 int gettimeofday(struct timeval *tv, void *tz);
210 /* i386/coreboot.c */
211 int get_coreboot_info(struct sysinfo_t *info);
214 void lib_get_sysinfo(void);
217 /* Timer functions - defined by each architecture. */
218 unsigned int get_cpu_speed(void);
219 void ndelay(unsigned int n);
220 void udelay(unsigned int n);
221 void mdelay(unsigned int n);
222 void delay(unsigned int n);
225 #define abort() halt()
226 void halt(void) __attribute__ ((noreturn));