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>
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
48 #ifdef CONFIG_TARGET_I386
49 #define BYTE_ORDER LITTLE_ENDIAN
51 #define BYTE_ORDER BIG_ENDIAN
54 #define EXIT_SUCCESS 0
55 #define EXIT_FAILURE 1
57 #define RAND_MAX 0x7fffffff
59 /* Payload information parameters - these are used to pass information
60 * to the entity loading the payload
61 * Usage: PAYLOAD_INFO(key, value)
62 * Example: PAYLOAD_INFO(name, "CoreInfo!")
65 #define _pstruct(key) __pinfo_ ##key
66 #define PAYLOAD_INFO(key, value) \
67 static const char _pstruct(key)[] \
68 __attribute__((__used__)) \
69 __attribute__((section(".note.pinfo"),unused)) = #key "=" value
71 /* Some NVRAM byte definitions */
72 #define NVRAM_RTC_SECONDS 0
73 #define NVRAM_RTC_MINUTES 2
74 #define NVRAM_RTC_HOURS 4
75 #define NVRAM_RTC_DAY 7
76 #define NVRAM_RTC_MONTH 8
77 #define NVRAM_RTC_YEAR 9
78 #define NVRAM_RTC_FREQ_SELECT 10
79 #define NVRAM_RTC_UIP 0x80
94 u8 nvram_read(u8 addr);
95 void nvram_write(u8 val, u8 addr);
96 int nvram_updating(void);
97 void rtc_read_clock(struct tm *tm);
99 /* drivers/keyboard.c */
100 void keyboard_init(void);
101 int keyboard_havechar(void);
102 unsigned char keyboard_get_scancode(void);
103 int keyboard_getchar(void);
105 /* drivers/serial.c */
106 void serial_init(void);
107 void serial_putchar(unsigned char c);
108 int serial_havechar(void);
109 int serial_getchar(void);
111 void serial_clear(void);
112 void serial_start_bold(void);
113 void serial_end_bold(void);
114 void serial_set_cursor(int y, int x);
116 /* drivers/speaker.c */
117 void speaker_enable(u16 freq);
118 void speaker_disable(void);
119 void speaker_tone(u16 freq, unsigned int duration);
122 int video_console_init(void);
123 void video_console_putchar(unsigned int ch);
124 void video_console_putc(u8 row, u8 col, unsigned int ch);
125 void video_console_clear(void);
126 void video_console_cursor_enable(int state);
129 void console_init(void);
131 int puts(const char *s);
134 int getchar_timeout(int *ms);
136 extern int last_putchar;
138 #define havechar havekey
157 /* libc/ipchecksum.c */
158 unsigned short ipchksum(const unsigned short *ptr, unsigned long nbytes);
161 void free(void *ptr);
162 void *malloc(size_t size);
163 void *calloc(size_t nmemb, size_t size);
164 void *realloc(void *ptr, size_t size);
167 int exec(long addr, int argc, char **argv);
173 long int labs(long int j);
174 long long int llabs(long long int j);
179 void *memset(void *s, int c, size_t n);
180 void *memcpy(void *dst, const void *src, size_t n);
181 void *memmove(void *dst, const void *src, size_t n);
182 int memcmp(const char *s1, const char *s2, size_t len);
185 int snprintf(char *str, size_t size, const char *fmt, ...);
186 int sprintf(char *str, const char *fmt, ...);
187 int vsnprintf(char *str, size_t size, const char *fmt, va_list ap);
188 int vsprintf(char *str, const char *fmt, va_list ap);
189 int printf(const char *fmt, ...);
190 int vprintf(const char *fmt, va_list ap);
193 int rand_r(unsigned int *seed);
195 void srand(unsigned int seed);
198 #define SHA1_BLOCK_LENGTH 64
199 #define SHA1_DIGEST_LENGTH 20
203 u8 buffer[SHA1_BLOCK_LENGTH];
205 void SHA1Init(SHA1_CTX *context);
206 void SHA1Transform(u32 state[5], const u8 buffer[SHA1_BLOCK_LENGTH]);
207 void SHA1Update(SHA1_CTX *context, const u8 *data, size_t len);
208 void SHA1Final(u8 digest[SHA1_DIGEST_LENGTH], SHA1_CTX *context);
209 u8 *sha1(const u8 *data, size_t len, u8 *buf);
212 size_t strnlen(const char *str, size_t maxlen);
213 size_t strlen(const char *str);
214 int strcmp(const char *s1, const char *s2);
215 int strncmp(const char *s1, const char *s2, int maxlen);
216 char *strncpy(char *d, const char *s, int n);
217 char *strcpy(char *d, const char *s);
218 char *strncat(char *d, const char *s, int n);
219 char *strchr(const char *s, int c);
220 char *strdup(const char *s);
221 char *strstr(const char *h, const char *n);
230 int gettimeofday(struct timeval *tv, void *tz);
244 u8 name[LAR_MAX_PATHLEN];
260 struct lar_header *header;
266 struct LAR *openlar(void *addr);
267 int closelar(struct LAR *lar);
268 struct larent *readlar(struct LAR *lar);
269 void rewindlar(struct LAR *lar);
270 int larstat(struct LAR *lar, const char *path, struct larstat *buf);
271 void *larfptr(struct LAR *lar, const char *filename);
272 int lfverify(struct LAR *lar, const char *filename);
273 struct LFILE * lfopen(struct LAR *lar, const char *filename);
274 int lfread(void *ptr, size_t size, size_t nmemb, struct LFILE *stream);
280 int lfseek(struct LFILE *stream, long offset, int whence);
281 int lfclose(struct LFILE *file);
283 /* i386/coreboot.c */
284 int get_coreboot_info(struct sysinfo_t *info);
287 void lib_get_sysinfo(void);
290 /* Timer functions - defined by each architecture. */
291 unsigned int get_cpu_speed(void);
292 void ndelay(unsigned int n);
293 void udelay(unsigned int n);
294 void mdelay(unsigned int n);
295 void delay(unsigned int n);
298 #define abort() halt()
299 void halt(void) __attribute__ ((noreturn));