include/common.h

   1 /*
   2  * (C) Copyright 2000-2004
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #ifndef __COMMON_H_
  25 #define __COMMON_H_     1
  26
  27 #include <stdio.h>
  28 #include <module.h>
  29 #include <config.h>
  30 #include <linux/bitops.h>
  31 #include <linux/types.h>
  32 #include <linux/string.h>
  33 #include <linux/kernel.h>
  34 #include <asm/common.h>
  35
  36 #define pr_info(fmt, arg...)    printf(fmt, ##arg)
  37 #define pr_notice(fmt, arg...)  printf(fmt, ##arg)
  38 #define pr_err(fmt, arg...)     printf(fmt, ##arg)
  39 #define pr_warning(fmt, arg...) printf(fmt, ##arg)
  40 #define pr_crit(fmt, arg...)    printf(fmt, ##arg)
  41 #define pr_alert(fmt, arg...)   printf(fmt, ##arg)
  42 #define pr_emerg(fmt, arg...)   printf(fmt, ##arg)
  43
  44 #ifdef DEBUG
  45 #define pr_debug(fmt, arg...)   printf(fmt, ##arg)
  46 #else
  47 #define pr_debug(fmt, arg...) do {} while(0)
  48 #endif
  49
  50 #define debug(fmt, arg...)      pr_debug(fmt, ##arg)
  51
  52 #define BUG() do { \
  53         printf("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \
  54         panic("BUG!"); \
  55 } while (0)
  56 #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0)
  57
  58 typedef void (interrupt_handler_t)(void *);
  59
  60 #include <asm/u-boot.h> /* boot information for Linux kernel */
  61
  62 /*
  63  * Function Prototypes
  64  */
  65 void reginfo(void);
  66
  67 void    hang (void) __attribute__ ((noreturn));
  68 void    panic(const char *fmt, ...);
  69
  70 /* */
  71 long int initdram (int);
  72 char *size_human_readable(ulong size);
  73
  74 /* common/main.c */
  75 int     run_command     (const char *cmd, int flag);
  76 int     readline        (const char *prompt, char *buf, int len);
  77
  78 /* common/memsize.c */
  79 long    get_ram_size  (volatile long *, long);
  80
  81 /* $(CPU)/cpu.c */
  82 void    reset_cpu     (ulong addr);
  83
  84 /* $(CPU)/interrupts.c */
  85 //void  timer_interrupt    (struct pt_regs *);
  86 //void  external_interrupt (struct pt_regs *);
  87 void    irq_install_handler(int, interrupt_handler_t *, void *);
  88 void    irq_free_handler   (int);
  89 #ifdef CONFIG_USE_IRQ
  90 void    enable_interrupts  (void);
  91 int     disable_interrupts (void);
  92 #else
  93 #define enable_interrupts() do {} while (0)
  94 #define disable_interrupts() 0
  95 #endif
  96
  97 /* lib_$(ARCH)/time.c */
  98 void    udelay (unsigned long);
  99 void    mdelay (unsigned long);
 100
 101 int gunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp);
 102
 103 /* lib_generic/vsprintf.c */
 104 ulong   simple_strtoul(const char *cp,char **endp,unsigned int base);
 105 #ifdef CFG_64BIT_VSPRINTF
 106 unsigned long long      simple_strtoull(const char *cp,char **endp,unsigned int base);
 107 #endif
 108 long    simple_strtol(const char *cp,char **endp,unsigned int base);
 109
 110 /* lib_generic/crc32.c */
 111 ulong crc32 (ulong, const unsigned char *, uint);
 112 ulong crc32_no_comp (ulong, const unsigned char *, uint);
 113
 114 /* common/console.c */
 115 int     ctrlc (void);
 116
 117 #define MEMAREA_SIZE_SPECIFIED 1
 118
 119 struct memarea_info {
 120         struct device_d *device;
 121         unsigned long start;
 122         unsigned long end;
 123         unsigned long size;
 124         unsigned long flags;
 125 };
 126
 127 int spec_str_to_info(const char *str, struct memarea_info *info);
 128 int parse_area_spec(const char *str, ulong *start, ulong *size);
 129
 130 /* Just like simple_strtoul(), but this one honors a K/M/G suffix */
 131 unsigned long strtoul_suffix(const char *str, char **endp, int base);
 132
 133 void start_uboot(void);
 134 void shutdown_uboot(void);
 135
 136 int arch_execute(unsigned long address, int argc, char *argv[]);
 137
 138 int run_shell(void);
 139
 140 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
 141
 142 /**
 143  * container_of - cast a member of a structure out to the containing structure
 144  * @ptr:        the pointer to the member.
 145  * @type:       the type of the container struct this is embedded in.
 146  * @member:     the name of the member within the struct.
 147  *
 148  */
 149 #define container_of(ptr, type, member) ({                      \
 150         const typeof( ((type *)0)->member ) *__mptr = (ptr);    \
 151         (type *)( (char *)__mptr - offsetof(type,member) );})
 152
 153 #define USHORT_MAX      ((u16)(~0U))
 154 #define SHORT_MAX       ((s16)(USHORT_MAX>>1))
 155 #define SHORT_MIN       (-SHORT_MAX - 1)
 156 #define INT_MAX         ((int)(~0U>>1))
 157 #define INT_MIN         (-INT_MAX - 1)
 158 #define UINT_MAX        (~0U)
 159 #define LONG_MAX        ((long)(~0UL>>1))
 160 #define LONG_MIN        (-LONG_MAX - 1)
 161 #define ULONG_MAX       (~0UL)
 162 #define LLONG_MAX       ((long long)(~0ULL>>1))
 163 #define LLONG_MIN       (-LLONG_MAX - 1)
 164 #define ULLONG_MAX      (~0ULL)
 165
 166 #endif  /* __COMMON_H_ */