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-rw-r--r--arch/parisc/include/asm/compat.h165
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 */