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   1 /*
   2  * include/asm-v850/simsyscall.h -- `System calls' under the v850e emulator
   3  *
   4  *  Copyright (C) 2001  NEC Corporation
   5  *  Copyright (C) 2001  Miles Bader <miles@gnu.org>
   6  *
   7  * This file is subject to the terms and conditions of the GNU General
   8  * Public License.  See the file COPYING in the main directory of this
   9  * archive for more details.
  10  *
  11  * Written by Miles Bader <miles@gnu.org>
  12  */
  13
  14 #ifndef __V850_SIMSYSCALL_H__
  15 #define __V850_SIMSYSCALL_H__
  16
  17 #define V850_SIM_SYS_exit(a...)         V850_SIM_SYSCALL_1 (1   , ##a)
  18 #define V850_SIM_SYS_fork(a...)         V850_SIM_SYSCALL_0 (2   , ##a)
  19 #define V850_SIM_SYS_read(a...)         V850_SIM_SYSCALL_3 (3   , ##a)
  20 #define V850_SIM_SYS_write(a...)        V850_SIM_SYSCALL_3 (4   , ##a)
  21 #define V850_SIM_SYS_open(a...)         V850_SIM_SYSCALL_2 (5   , ##a)
  22 #define V850_SIM_SYS_close(a...)        V850_SIM_SYSCALL_1 (6   , ##a)
  23 #define V850_SIM_SYS_wait4(a...)        V850_SIM_SYSCALL_4 (7   , ##a)
  24 /* #define V850_SIM_SYS_creat(a...)     V850_SIM_SYSCALL_1 (8   , ##a) */
  25 /* #define V850_SIM_SYS_link(a...)      V850_SIM_SYSCALL_1 (9   , ##a) */
  26 /* #define V850_SIM_SYS_unlink(a...)    V850_SIM_SYSCALL_1 (10  , ##a) */
  27 #define V850_SIM_SYS_execv(a...)        V850_SIM_SYSCALL_2 (11  , ##a)
  28 /* #define V850_SIM_SYS_chdir(a...)     V850_SIM_SYSCALL_1 (12  , ##a) */
  29 /* #define V850_SIM_SYS_mknod(a...)     V850_SIM_SYSCALL_1 (14  , ##a) */
  30 #define V850_SIM_SYS_chmod(a...)        V850_SIM_SYSCALL_2 (15  , ##a)
  31 #define V850_SIM_SYS_chown(a...)        V850_SIM_SYSCALL_2 (16  , ##a)
  32 #define V850_SIM_SYS_lseek(a...)        V850_SIM_SYSCALL_3 (19  , ##a)
  33 /* #define V850_SIM_SYS_getpid(a...)    V850_SIM_SYSCALL_1 (20  , ##a) */
  34 /* #define V850_SIM_SYS_isatty(a...)    V850_SIM_SYSCALL_1 (21  , ##a) */
  35 /* #define V850_SIM_SYS_fstat(a...)     V850_SIM_SYSCALL_1 (22  , ##a) */
  36 #define V850_SIM_SYS_time(a...)         V850_SIM_SYSCALL_1 (23  , ##a)
  37 #define V850_SIM_SYS_poll(a...)         V850_SIM_SYSCALL_3 (24  , ##a)
  38 #define V850_SIM_SYS_stat(a...)         V850_SIM_SYSCALL_2 (38  , ##a)
  39 #define V850_SIM_SYS_pipe(a...)         V850_SIM_SYSCALL_1 (42  , ##a)
  40 #define V850_SIM_SYS_times(a...)        V850_SIM_SYSCALL_1 (43  , ##a)
  41 #define V850_SIM_SYS_execve(a...)       V850_SIM_SYSCALL_3 (59  , ##a)
  42 #define V850_SIM_SYS_gettimeofday(a...) V850_SIM_SYSCALL_2 (116 , ##a)
  43 /* #define V850_SIM_SYS_utime(a...)     V850_SIM_SYSCALL_2 (201 , ##a) */
  44 /* #define V850_SIM_SYS_wait(a...)      V850_SIM_SYSCALL_1 (202 , ##a) */
  45
  46 #define V850_SIM_SYS_make_raw(a...)     V850_SIM_SYSCALL_1 (1024 , ##a)
  47
  48
  49 #define V850_SIM_SYSCALL_0(_call)                                             \
  50 ({                                                                            \
  51         register int call __asm__ ("r6") = _call;                             \
  52         register int rval __asm__ ("r10");                                    \
  53         __asm__ __volatile__ ("trap 31"                                       \
  54                               : "=r" (rval)                                   \
  55                               : "r" (call)                                    \
  56                               : "r11", "memory");                             \
  57         rval;                                                                 \
  58 })
  59 #define V850_SIM_SYSCALL_1(_call, _arg0)                                      \
  60 ({                                                                            \
  61         register int call __asm__ ("r6") = _call;                             \
  62         register long arg0 __asm__ ("r7") = (long)_arg0;                      \
  63         register int rval __asm__ ("r10");                                    \
  64         __asm__ __volatile__ ("trap 31"                                       \
  65                               : "=r" (rval)                                   \
  66                               : "r" (call), "r" (arg0)                        \
  67                               : "r11", "memory");                             \
  68         rval;                                                                 \
  69 })
  70 #define V850_SIM_SYSCALL_2(_call, _arg0, _arg1)                               \
  71 ({                                                                            \
  72         register int call __asm__ ("r6") = _call;                             \
  73         register long arg0 __asm__ ("r7") = (long)_arg0;                      \
  74         register long arg1 __asm__ ("r8") = (long)_arg1;                      \
  75         register int rval __asm__ ("r10");                                    \
  76         __asm__ __volatile__ ("trap 31"                                       \
  77                               : "=r" (rval)                                   \
  78                               : "r" (call), "r" (arg0), "r" (arg1)            \
  79                               : "r11", "memory");                             \
  80         rval;                                                                 \
  81 })
  82 #define V850_SIM_SYSCALL_3(_call, _arg0, _arg1, _arg2)                        \
  83 ({                                                                            \
  84         register int call __asm__ ("r6") = _call;                             \
  85         register long arg0 __asm__ ("r7") = (long)_arg0;                      \
  86         register long arg1 __asm__ ("r8") = (long)_arg1;                      \
  87         register long arg2 __asm__ ("r9") = (long)_arg2;                      \
  88         register int rval __asm__ ("r10");                                    \
  89         __asm__ __volatile__ ("trap 31"                                       \
  90                               : "=r" (rval)                                   \
  91                               : "r" (call), "r" (arg0), "r" (arg1), "r" (arg2)\
  92                               : "r11", "memory");                             \
  93         rval;                                                                 \
  94 })
  95
  96 #define V850_SIM_SYSCALL(call, args...) \
  97    V850_SIM_SYS_##call (args)
  98
  99 #endif /* __V850_SIMSYSCALL_H__ */