kernel/exec/startup.h

   1 #ifndef _STARTUP_H
   2 #define _STARTUP_H
   3
   4 #include <exec/types.h>
   5 #include <asm/macros.h>
   6
   7 /* external data definitions */
   8
   9 extern const UBYTE core_id[];
  10 extern const UBYTE _END;
  11
  12 extern const UBYTE Exec_Start;
  13 extern const UBYTE Exec_End;
  14
  15 extern const ULONG ExecFunctions[];
  16
  17 /* external function definitions */
  18
  19 void startup(void);
  20 ULONG ** RomTagScanner(struct ExecBase *, UWORD **);
  21
  22 /* inlined functions taken from c library, needed by bootup */
  23
  24 static inline __attribute__((always_inline))
  25 char *strncpy(char *dest, const char *src, ULONG n)
  26 {
  27     char *ret = dest;
  28     while(n--)
  29     {
  30         *dest++ = *src++;
  31         if (*src == 0)
  32             break;
  33     }
  34     return ret;
  35 }
  36
  37 static inline __attribute__((always_inline))
  38 APTR memcpy(APTR dest, APTR src, ULONG n)
  39 {
  40     while(n--)
  41     {
  42         ((UBYTE*)dest)[n] = ((UBYTE*)src)[n];
  43     }
  44 }
  45
  46 static inline __attribute__((always_inline))
  47 void bzero(APTR s, ULONG n)
  48 {
  49     while(n--)
  50         ((UBYTE*)s)[n] = 0;
  51 }
  52
  53 #define offsetof(struct_, field) ((int)(&((struct struct_*)0UL)->field))
  54
  55 #endif /* _STARTUP_H */
  56