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 BIN2HEX(b) ("0123456789abcdef"[b & 15])
45 #define HEX2BIN(h) (('0' <= h && h <= '9') ? (h - '0') : \
46 ('a' <= h && h <= 'f') ? (h - 'a' + 10) : 0)
48 #define LITTLE_ENDIAN 1234
49 #define BIG_ENDIAN 4321
50 #ifdef CONFIG_TARGET_I386
51 #define BYTE_ORDER LITTLE_ENDIAN
53 #define BYTE_ORDER BIG_ENDIAN
56 /* Some NVRAM byte definitions */
57 #define NVRAM_RTC_SECONDS 0
58 #define NVRAM_RTC_MINUTES 2
59 #define NVRAM_RTC_HOURS 4
60 #define NVRAM_RTC_DAY 7
61 #define NVRAM_RTC_MONTH 8
62 #define NVRAM_RTC_YEAR 9
65 u8 nvram_read(u8 addr);
66 void nvram_write(u8 val, u8 addr);
68 /* drivers/keyboard.c */
69 int keyboard_havechar(void);
70 unsigned char keyboard_get_scancode(void);
71 int keyboard_getchar(void);
73 /* drivers/serial.c */
74 void serial_init(void);
75 void serial_putchar(unsigned char c);
76 int serial_havechar(void);
77 int serial_getchar(void);
79 /* drivers/serial.c */
80 void vga_cursor_enable(int state);
81 void vga_clear_line(uint8_t row, uint8_t ch, uint8_t attr);
82 void vga_fill(uint8_t ch, uint8_t attr);
84 void vga_putc(uint8_t row, uint8_t col, unsigned int c);
85 void vga_putchar(unsigned int ch);
86 void vga_move_cursor(int x, int y);
90 void console_init(void);
92 int puts(const char *s);
96 extern int last_putchar;
98 #define havechar havekey
105 /* libc/ipchecksum.c */
106 unsigned short ipchksum(const unsigned short *ptr, unsigned long nbytes);
109 void free(void *ptr);
110 void *malloc(size_t size);
111 void *calloc(size_t nmemb, size_t size);
112 void *realloc(void *ptr, size_t size);
119 void *memset(void *s, int c, size_t n);
120 void *memcpy(void *dst, const void *src, size_t n);
121 void *memmove(void *dst, const void *src, size_t n);
122 int memcmp(const char *s1, const char *s2, size_t len);
125 int snprintf(char *str, size_t size, const char *fmt, ...);
126 int sprintf(char *str, const char *fmt, ...);
127 int vsnprintf(char *str, size_t size, const char *fmt, va_list ap);
128 int vsprintf(char *str, const char *fmt, va_list ap);
129 int printf(const char *fmt, ...);
130 int vprintf(const char *fmt, va_list ap);
133 #define SHA1_BLOCK_LENGTH 64
134 #define SHA1_DIGEST_LENGTH 20
138 u8 buffer[SHA1_BLOCK_LENGTH];
140 void SHA1Init(SHA1_CTX *context);
141 void SHA1Transform(u32 state[5], const u8 buffer[SHA1_BLOCK_LENGTH]);
142 void SHA1Update(SHA1_CTX *context, const u8 *data, size_t len);
143 void SHA1Final(u8 digest[SHA1_DIGEST_LENGTH], SHA1_CTX *context);
144 u8 *sha1(const u8 *data, size_t len, u8 *buf);
147 size_t strnlen(const char *str, size_t maxlen);
148 size_t strlen(const char *str);
149 int strcmp(const char *s1, const char *s2);
150 int strncmp(const char *s1, const char *s2, int maxlen);
151 char *strncpy(char *d, const char *s, int n);
152 char *strcpy(char *d, const char *s);
153 char *strncat(char *d, const char *s, int n);
154 char *strchr(const char *s, int c);
155 char *strdup(const char *s);
156 char *strstr(const char *h, const char *n);
158 /* i386/coreboot.c */
159 int get_coreboot_info(struct sysinfo_t *info);
162 void lib_get_sysinfo(void);
165 /* Timer functions - defined by each architecture. */
166 unsigned int get_cpu_speed(void);
167 void ndelay(unsigned int n);
168 void mdelay(unsigned int n);
169 void delay(unsigned int n);
172 #define abort() halt()
173 void halt(void) __attribute__ ((noreturn));