cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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bootstd.h (4747B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/* bootstd.h:  Bootloader system call interface
      3 *
      4 * (c) 1999, Rt-Control, Inc.
      5 */
      6
      7#ifndef __BOOTSTD_H__
      8#define __BOOTSTD_H__
      9
     10#define NR_BSC 21            /* last used bootloader system call */
     11
     12#define __BN_reset        0  /* reset and start the bootloader */
     13#define __BN_test         1  /* tests the system call interface */
     14#define __BN_exec         2  /* executes a bootloader image */
     15#define __BN_exit         3  /* terminates a bootloader image */
     16#define __BN_program      4  /* program FLASH from a chain */
     17#define __BN_erase        5  /* erase sector(s) of FLASH */
     18#define __BN_open         6
     19#define __BN_write        7
     20#define __BN_read         8
     21#define __BN_close        9
     22#define __BN_mmap         10 /* map a file descriptor into memory */
     23#define __BN_munmap       11 /* remove a file to memory mapping */
     24#define __BN_gethwaddr    12 /* get the hardware address of my interfaces */
     25#define __BN_getserialnum 13 /* get the serial number of this board */
     26#define __BN_getbenv      14 /* get a bootloader envvar */
     27#define __BN_setbenv      15 /* get a bootloader envvar */
     28#define __BN_setpmask     16 /* set the protection mask */
     29#define __BN_readenv      17 /* read environment variables */
     30#define __BN_flash_chattr_range		18
     31#define __BN_flash_erase_range		19
     32#define __BN_flash_write_range		20
     33
     34/* Calling conventions compatible to (uC)linux/68k
     35 * We use similar macros to call into the bootloader as for uClinux
     36 */
     37
     38#define __bsc_return(type, res) \
     39do { \
     40   if ((unsigned long)(res) >= (unsigned long)(-64)) { \
     41      /* let errno be a function, preserve res in %d0 */ \
     42      int __err = -(res); \
     43      errno = __err; \
     44      res = -1; \
     45   } \
     46   return (type)(res); \
     47} while (0)
     48
     49#define _bsc0(type,name) \
     50type name(void) \
     51{ \
     52   register long __res __asm__ ("%d0") = __BN_##name; \
     53   __asm__ __volatile__ ("trap #2" \
     54                         : "=g" (__res) \
     55                         : "0" (__res) \
     56                         ); \
     57   __bsc_return(type,__res); \
     58}
     59
     60#define _bsc1(type,name,atype,a) \
     61type name(atype a) \
     62{ \
     63   register long __res __asm__ ("%d0") = __BN_##name; \
     64   register long __a __asm__ ("%d1") = (long)a; \
     65   __asm__ __volatile__ ("trap #2" \
     66                         : "=g" (__res) \
     67                         : "0" (__res), "d" (__a) \
     68                         ); \
     69   __bsc_return(type,__res); \
     70}
     71
     72#define _bsc2(type,name,atype,a,btype,b) \
     73type name(atype a, btype b) \
     74{ \
     75   register long __res __asm__ ("%d0") = __BN_##name; \
     76   register long __a __asm__ ("%d1") = (long)a; \
     77   register long __b __asm__ ("%d2") = (long)b; \
     78   __asm__ __volatile__ ("trap #2" \
     79                         : "=g" (__res) \
     80                         : "0" (__res), "d" (__a), "d" (__b) \
     81                         ); \
     82   __bsc_return(type,__res); \
     83}
     84
     85#define _bsc3(type,name,atype,a,btype,b,ctype,c) \
     86type name(atype a, btype b, ctype c) \
     87{ \
     88   register long __res __asm__ ("%d0") = __BN_##name; \
     89   register long __a __asm__ ("%d1") = (long)a; \
     90   register long __b __asm__ ("%d2") = (long)b; \
     91   register long __c __asm__ ("%d3") = (long)c; \
     92   __asm__ __volatile__ ("trap #2" \
     93                         : "=g" (__res) \
     94                         : "0" (__res), "d" (__a), "d" (__b), \
     95                           "d" (__c) \
     96                         ); \
     97   __bsc_return(type,__res); \
     98}
     99
    100#define _bsc4(type,name,atype,a,btype,b,ctype,c,dtype,d) \
    101type name(atype a, btype b, ctype c, dtype d) \
    102{ \
    103   register long __res __asm__ ("%d0") = __BN_##name; \
    104   register long __a __asm__ ("%d1") = (long)a; \
    105   register long __b __asm__ ("%d2") = (long)b; \
    106   register long __c __asm__ ("%d3") = (long)c; \
    107   register long __d __asm__ ("%d4") = (long)d; \
    108   __asm__ __volatile__ ("trap #2" \
    109                         : "=g" (__res) \
    110                         : "0" (__res), "d" (__a), "d" (__b), \
    111                           "d" (__c), "d" (__d) \
    112                         ); \
    113   __bsc_return(type,__res); \
    114}
    115
    116#define _bsc5(type,name,atype,a,btype,b,ctype,c,dtype,d,etype,e) \
    117type name(atype a, btype b, ctype c, dtype d, etype e) \
    118{ \
    119   register long __res __asm__ ("%d0") = __BN_##name; \
    120   register long __a __asm__ ("%d1") = (long)a; \
    121   register long __b __asm__ ("%d2") = (long)b; \
    122   register long __c __asm__ ("%d3") = (long)c; \
    123   register long __d __asm__ ("%d4") = (long)d; \
    124   register long __e __asm__ ("%d5") = (long)e; \
    125   __asm__ __volatile__ ("trap #2" \
    126                         : "=g" (__res) \
    127                         : "0" (__res), "d" (__a), "d" (__b), \
    128                           "d" (__c), "d" (__d), "d" (__e) \
    129                         ); \
    130   __bsc_return(type,__res); \
    131}
    132
    133#endif /* __BOOTSTD_H__ */