1 files changed, 165 insertions, 0 deletions

diff --git a/arch/parisc/include/asm/compat.h b/arch/parisc/include/asm/compat.h
new file mode 100644
index 000000000000..7f32611a7a5e
--- /dev/null
+++ b/arch/parisc/include/asm/compat.h
@@ -0,0 +1,165 @@
+#ifndef _ASM_PARISC_COMPAT_H
+#define _ASM_PARISC_COMPAT_H
+/*
+ * Architecture specific compatibility types
+ */
+#include <linux/types.h>
+#include <linux/sched.h>
+#include <linux/thread_info.h>
+
+#define COMPAT_USER_HZ 100
+
+typedef u32     compat_size_t;
+typedef s32     compat_ssize_t;
+typedef s32     compat_time_t;
+typedef s32     compat_clock_t;
+typedef s32     compat_pid_t;
+typedef u32     __compat_uid_t;
+typedef u32     __compat_gid_t;
+typedef u32     __compat_uid32_t;
+typedef u32     __compat_gid32_t;
+typedef u16     compat_mode_t;
+typedef u32     compat_ino_t;
+typedef u32     compat_dev_t;
+typedef s32     compat_off_t;
+typedef s64     compat_loff_t;
+typedef u16     compat_nlink_t;
+typedef u16     compat_ipc_pid_t;
+typedef s32     compat_daddr_t;
+typedef u32     compat_caddr_t;
+typedef s32     compat_timer_t;
+
+typedef s32     compat_int_t;
+typedef s32     compat_long_t;
+typedef s64     compat_s64;
+typedef u32     compat_uint_t;
+typedef u32     compat_ulong_t;
+typedef u64     compat_u64;
+
+struct compat_timespec {
+        compat_time_t           tv_sec;
+        s32                     tv_nsec;
+};
+
+struct compat_timeval {
+        compat_time_t           tv_sec;
+        s32                     tv_usec;
+};
+
+struct compat_stat {
+        compat_dev_t            st_dev; /* dev_t is 32 bits on parisc */
+        compat_ino_t            st_ino; /* 32 bits */
+        compat_mode_t           st_mode;        /* 16 bits */
+        compat_nlink_t          st_nlink;       /* 16 bits */
+        u16                     st_reserved1;   /* old st_uid */
+        u16                     st_reserved2;   /* old st_gid */
+        compat_dev_t            st_rdev;
+        compat_off_t            st_size;
+        compat_time_t           st_atime;
+        u32                     st_atime_nsec;
+        compat_time_t           st_mtime;
+        u32                     st_mtime_nsec;
+        compat_time_t           st_ctime;
+        u32                     st_ctime_nsec;
+        s32                     st_blksize;
+        s32                     st_blocks;
+        u32                     __unused1;      /* ACL stuff */
+        compat_dev_t            __unused2;      /* network */
+        compat_ino_t            __unused3;      /* network */
+        u32                     __unused4;      /* cnodes */
+        u16                     __unused5;      /* netsite */
+        short                   st_fstype;
+        compat_dev_t            st_realdev;
+        u16                     st_basemode;
+        u16                     st_spareshort;
+        __compat_uid32_t        st_uid;
+        __compat_gid32_t        st_gid;
+        u32                     st_spare4[3];
+};
+
+struct compat_flock {
+        short                   l_type;
+        short                   l_whence;
+        compat_off_t            l_start;
+        compat_off_t            l_len;
+        compat_pid_t            l_pid;
+};
+
+struct compat_flock64 {
+        short                   l_type;
+        short                   l_whence;
+        compat_loff_t           l_start;
+        compat_loff_t           l_len;
+        compat_pid_t            l_pid;
+};
+
+struct compat_statfs {
+        s32             f_type;
+        s32             f_bsize;
+        s32             f_blocks;
+        s32             f_bfree;
+        s32             f_bavail;
+        s32             f_files;
+        s32             f_ffree;
+        __kernel_fsid_t f_fsid;
+        s32             f_namelen;
+        s32             f_frsize;
+        s32             f_spare[5];
+};
+
+struct compat_sigcontext {
+        compat_int_t sc_flags;
+        compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */
+        u64 sc_fr[32];
+        compat_int_t sc_iasq[2];
+        compat_int_t sc_iaoq[2];
+        compat_int_t sc_sar; /* cr11 */
+};
+
+#define COMPAT_RLIM_INFINITY 0xffffffff
+
+typedef u32             compat_old_sigset_t;    /* at least 32 bits */
+
+#define _COMPAT_NSIG            64
+#define _COMPAT_NSIG_BPW        32
+
+typedef u32             compat_sigset_word;
+
+#define COMPAT_OFF_T_MAX        0x7fffffff
+#define COMPAT_LOFF_T_MAX       0x7fffffffffffffffL
+
+/*
+ * A pointer passed in from user mode. This should not
+ * be used for syscall parameters, just declare them
+ * as pointers because the syscall entry code will have
+ * appropriately converted them already.
+ */
+typedef u32             compat_uptr_t;
+
+static inline void __user *compat_ptr(compat_uptr_t uptr)
+{
+        return (void __user *)(unsigned long)uptr;
+}
+
+static inline compat_uptr_t ptr_to_compat(void __user *uptr)
+{
+        return (u32)(unsigned long)uptr;
+}
+
+static __inline__ void __user *compat_alloc_user_space(long len)
+{
+        struct pt_regs *regs = &current->thread.regs;
+        return (void __user *)regs->gr[30];
+}
+
+static inline int __is_compat_task(struct task_struct *t)
+{
+        return test_ti_thread_flag(task_thread_info(t), TIF_32BIT);
+}
+
+static inline int is_compat_task(void)
+{
+        return __is_compat_task(current);
+}
+
+#endif /* _ASM_PARISC_COMPAT_H */