mirror of https://gitee.com/openkylin/linux.git
133 lines
4.6 KiB
C
133 lines
4.6 KiB
C
/* 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 simmilar 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) \
|
|
: "%d0"); \
|
|
__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) \
|
|
: "%d0"); \
|
|
__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) \
|
|
: "%d0"); \
|
|
__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) \
|
|
: "%d0"); \
|
|
__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) \
|
|
: "%d0"); \
|
|
__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) \
|
|
: "%d0"); \
|
|
__bsc_return(type,__res); \
|
|
}
|
|
|
|
#endif /* __BOOTSTD_H__ */
|