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   1 #ifndef _ASM_PARISC_COMPAT_H
   2 #define _ASM_PARISC_COMPAT_H
   3 /*
   4  * Architecture specific compatibility types
   5  */
   6 #include <linux/types.h>
   7 #include <linux/sched.h>
   8
   9 #define COMPAT_USER_HZ 100
  10
  11 typedef u32     compat_size_t;
  12 typedef s32     compat_ssize_t;
  13 typedef s32     compat_time_t;
  14 typedef s32     compat_clock_t;
  15 typedef s32     compat_pid_t;
  16 typedef u32     compat_uid_t;
  17 typedef u32     compat_gid_t;
  18 typedef u16     compat_mode_t;
  19 typedef u32     compat_ino_t;
  20 typedef u32     compat_dev_t;
  21 typedef s32     compat_off_t;
  22 typedef s64     compat_loff_t;
  23 typedef u16     compat_nlink_t;
  24 typedef u16     compat_ipc_pid_t;
  25 typedef s32     compat_daddr_t;
  26 typedef u32     compat_caddr_t;
  27 typedef s32     compat_timer_t;
  28
  29 typedef s32     compat_int_t;
  30 typedef s32     compat_long_t;
  31 typedef u32     compat_uint_t;
  32 typedef u32     compat_ulong_t;
  33
  34 struct compat_timespec {
  35         compat_time_t           tv_sec;
  36         s32                     tv_nsec;
  37 };
  38
  39 struct compat_timeval {
  40         compat_time_t           tv_sec;
  41         s32                     tv_usec;
  42 };
  43
  44 struct compat_stat {
  45         compat_dev_t            st_dev; /* dev_t is 32 bits on parisc */
  46         compat_ino_t            st_ino; /* 32 bits */
  47         compat_mode_t           st_mode;        /* 16 bits */
  48         compat_nlink_t          st_nlink;       /* 16 bits */
  49         u16                     st_reserved1;   /* old st_uid */
  50         u16                     st_reserved2;   /* old st_gid */
  51         compat_dev_t            st_rdev;
  52         compat_off_t            st_size;
  53         compat_time_t           st_atime;
  54         u32                     st_atime_nsec;
  55         compat_time_t           st_mtime;
  56         u32                     st_mtime_nsec;
  57         compat_time_t           st_ctime;
  58         u32                     st_ctime_nsec;
  59         s32                     st_blksize;
  60         s32                     st_blocks;
  61         u32                     __unused1;      /* ACL stuff */
  62         compat_dev_t            __unused2;      /* network */
  63         compat_ino_t            __unused3;      /* network */
  64         u32                     __unused4;      /* cnodes */
  65         u16                     __unused5;      /* netsite */
  66         short                   st_fstype;
  67         compat_dev_t            st_realdev;
  68         u16                     st_basemode;
  69         u16                     st_spareshort;
  70         compat_uid_t            st_uid;
  71         compat_gid_t            st_gid;
  72         u32                     st_spare4[3];
  73 };
  74
  75 struct compat_flock {
  76         short                   l_type;
  77         short                   l_whence;
  78         compat_off_t            l_start;
  79         compat_off_t            l_len;
  80         compat_pid_t            l_pid;
  81 };
  82
  83 struct compat_flock64 {
  84         short                   l_type;
  85         short                   l_whence;
  86         compat_loff_t           l_start;
  87         compat_loff_t           l_len;
  88         compat_pid_t            l_pid;
  89 };
  90
  91 struct compat_statfs {
  92         s32             f_type;
  93         s32             f_bsize;
  94         s32             f_blocks;
  95         s32             f_bfree;
  96         s32             f_bavail;
  97         s32             f_files;
  98         s32             f_ffree;
  99         __kernel_fsid_t f_fsid;
 100         s32             f_namelen;
 101         s32             f_frsize;
 102         s32             f_spare[5];
 103 };
 104
 105 struct compat_sigcontext {
 106         compat_int_t sc_flags;
 107         compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */
 108         u64 sc_fr[32];
 109         compat_int_t sc_iasq[2];
 110         compat_int_t sc_iaoq[2];
 111         compat_int_t sc_sar; /* cr11 */
 112 };
 113
 114 #define COMPAT_RLIM_INFINITY 0xffffffff
 115
 116 typedef u32             compat_old_sigset_t;    /* at least 32 bits */
 117
 118 #define _COMPAT_NSIG            64
 119 #define _COMPAT_NSIG_BPW        32
 120
 121 typedef u32             compat_sigset_word;
 122
 123 #define COMPAT_OFF_T_MAX        0x7fffffff
 124 #define COMPAT_LOFF_T_MAX       0x7fffffffffffffffL
 125
 126 /*
 127  * A pointer passed in from user mode. This should not
 128  * be used for syscall parameters, just declare them
 129  * as pointers because the syscall entry code will have
 130  * appropriately comverted them already.
 131  */
 132 typedef u32             compat_uptr_t;
 133
 134 static inline void __user *compat_ptr(compat_uptr_t uptr)
 135 {
 136         return (void __user *)(unsigned long)uptr;
 137 }
 138
 139 static __inline__ void __user *compat_alloc_user_space(long len)
 140 {
 141         struct pt_regs *regs = &current->thread.regs;
 142         return (void __user *)regs->gr[30];
 143 }
 144
 145 #endif /* _ASM_PARISC_COMPAT_H */