Release 4.14 arch/m68k/include/asm/bootstd.h

/* SPDX-License-Identifier: GPL-2.0 */
/* bootstd.h:  Bootloader system call interface
 *
 * (c) 1999, Rt-Control, Inc.
 */

#ifndef __BOOTSTD_H__

#define __BOOTSTD_H__


#define NR_BSC 21            
/* last used bootloader system call */


#define __BN_reset        0  
/* reset and start the bootloader */

#define __BN_test         1  
/* tests the system call interface */

#define __BN_exec         2  
/* executes a bootloader image */

#define __BN_exit         3  
/* terminates a bootloader image */

#define __BN_program      4  
/* program FLASH from a chain */

#define __BN_erase        5  
/* erase sector(s) of FLASH */

#define __BN_open         6

#define __BN_write        7

#define __BN_read         8

#define __BN_close        9

#define __BN_mmap         10 
/* map a file descriptor into memory */

#define __BN_munmap       11 
/* remove a file to memory mapping */

#define __BN_gethwaddr    12 
/* get the hardware address of my interfaces */

#define __BN_getserialnum 13 
/* get the serial number of this board */

#define __BN_getbenv      14 
/* get a bootloader envvar */

#define __BN_setbenv      15 
/* get a bootloader envvar */

#define __BN_setpmask     16 
/* set the protection mask */

#define __BN_readenv      17 
/* read environment variables */

#define __BN_flash_chattr_range		18

#define __BN_flash_erase_range		19

#define __BN_flash_write_range		20

/* Calling conventions compatible to (uC)linux/68k
 * We use similar macros to call into the bootloader as for uClinux
 */


#define __bsc_return(type, res) \
do { \
   if ((unsigned long)(res) >= (unsigned long)(-64)) { \
      /* let errno be a function, preserve res in %d0 */ \
      int __err = -(res); \
      errno = __err; \
      res = -1; \
   } \
   return (type)(res); \
} while (0)


#define _bsc0(type,name) \
type name(void) \
{ \
   register long __res __asm__ ("%d0") = __BN_##name; \
   __asm__ __volatile__ ("trap #2" \
                         : "=g" (__res) \
                         : "0" (__res) \
                         ); \
   __bsc_return(type,__res); \
}


#define _bsc1(type,name,atype,a) \
type name(atype a) \
{ \
   register long __res __asm__ ("%d0") = __BN_##name; \
   register long __a __asm__ ("%d1") = (long)a; \
   __asm__ __volatile__ ("trap #2" \
                         : "=g" (__res) \
                         : "0" (__res), "d" (__a) \
                         ); \
   __bsc_return(type,__res); \
}


#define _bsc2(type,name,atype,a,btype,b) \
type name(atype a, btype b) \
{ \
   register long __res __asm__ ("%d0") = __BN_##name; \
   register long __a __asm__ ("%d1") = (long)a; \
   register long __b __asm__ ("%d2") = (long)b; \
   __asm__ __volatile__ ("trap #2" \
                         : "=g" (__res) \
                         : "0" (__res), "d" (__a), "d" (__b) \
                         ); \
   __bsc_return(type,__res); \
}


#define _bsc3(type,name,atype,a,btype,b,ctype,c) \
type name(atype a, btype b, ctype c) \
{ \
   register long __res __asm__ ("%d0") = __BN_##name; \
   register long __a __asm__ ("%d1") = (long)a; \
   register long __b __asm__ ("%d2") = (long)b; \
   register long __c __asm__ ("%d3") = (long)c; \
   __asm__ __volatile__ ("trap #2" \
                         : "=g" (__res) \
                         : "0" (__res), "d" (__a), "d" (__b), \
                           "d" (__c) \
                         ); \
   __bsc_return(type,__res); \
}


#define _bsc4(type,name,atype,a,btype,b,ctype,c,dtype,d) \
type name(atype a, btype b, ctype c, dtype d) \
{ \
   register long __res __asm__ ("%d0") = __BN_##name; \
   register long __a __asm__ ("%d1") = (long)a; \
   register long __b __asm__ ("%d2") = (long)b; \
   register long __c __asm__ ("%d3") = (long)c; \
   register long __d __asm__ ("%d4") = (long)d; \
   __asm__ __volatile__ ("trap #2" \
                         : "=g" (__res) \
                         : "0" (__res), "d" (__a), "d" (__b), \
                           "d" (__c), "d" (__d) \
                         ); \
   __bsc_return(type,__res); \
}


#define _bsc5(type,name,atype,a,btype,b,ctype,c,dtype,d,etype,e) \
type name(atype a, btype b, ctype c, dtype d, etype e) \
{ \
   register long __res __asm__ ("%d0") = __BN_##name; \
   register long __a __asm__ ("%d1") = (long)a; \
   register long __b __asm__ ("%d2") = (long)b; \
   register long __c __asm__ ("%d3") = (long)c; \
   register long __d __asm__ ("%d4") = (long)d; \
   register long __e __asm__ ("%d5") = (long)e; \
   __asm__ __volatile__ ("trap #2" \
                         : "=g" (__res) \
                         : "0" (__res), "d" (__a), "d" (__b), \
                           "d" (__c), "d" (__d), "d" (__e) \
                         ); \
   __bsc_return(type,__res); \
}

#endif /* __BOOTSTD_H__ */
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Alan Cox
239
96.76%
1
25.00%
Greg Ungerer
6
2.43%
1
25.00%
Greg Kroah-Hartman
1
0.40%
1
25.00%
Lucas De Marchi
1
0.40%
1
25.00%
Total
247
100.00%
4
100.00%
Directory: arch/m68k/include/asm

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.