cp/include/nucleus.h

   1 /*
   2  * (C) Copyright 2007-2019  Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
   3  *
   4  * This file is released under the GPLv2.  See the COPYING file for more
   5  * details.
   6  */
   7
   8 #ifndef __NUCLEUS_H
   9 #define __NUCLEUS_H
  10
  11 #ifndef _ASM
  12
  13 #include <compiler.h>
  14 #include <errno.h>
  15 #include <string.h>
  16 #include <binfmt_elf.h>
  17 #include <sclp.h>
  18 #include <arch.h>
  19
  20 extern volatile u64 ticks;
  21
  22 extern struct datetime ipltime;
  23
  24 /* The beginning of it all... */
  25 extern void start(u64 __memsize, u32 __iplsch, Elf64_Ehdr *__symtab);
  26
  27 /* borrowed from Linux */
  28 #define container_of(ptr, type, member) ({                      \
  29          const typeof( ((type *)0)->member ) *__mptr = (ptr);    \
  30          (type *)( (char *)__mptr - offsetof(type,member) );})
  31
  32 /* borrowed from Linux */
  33 #define offsetof(type, member) __builtin_offsetof(type,member)
  34
  35 #define BUG()           do { \
  36                                 asm volatile(".byte 0x00,0x00,0x00,0x00" : : : "memory"); \
  37                         } while(0)
  38 #define BUG_ON(cond)    do { \
  39                                 if (unlikely(cond)) \
  40                                         BUG(); \
  41                         } while(0)
  42 #define assert(cond)    do { \
  43                                 if (unlikely(!(cond))) \
  44                                         BUG(); \
  45                         } while(0)
  46 #define assert(cond)    do { \
  47                                 if (unlikely(!(cond))) \
  48                                         BUG(); \
  49                         } while(0)
  50
  51 #define FIXME(fmt, ...) sclp_msg("FIXME @ " __FILE__ ":%d: " fmt, __LINE__, ##__VA_ARGS__)
  52
  53 #include <config.h>
  54
  55 /*
  56  * stdio.h equivalents
  57  */
  58 struct virt_cons;
  59
  60 extern int con_printf(struct virt_cons *con, const char *fmt, ...)
  61         __attribute__ ((format (printf, 2, 3)));
  62 extern int con_vprintf(struct virt_cons *con, const char *fmt, va_list args)
  63         __attribute__ ((format (printf, 2, 0)));
  64
  65 #endif
  66
  67 #endif