arch/csky/abiv2/inc/abi/vdso.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2
   3 #ifndef __ABI_CSKY_VDSO_H
   4 #define __ABI_CSKY_VDSO_H
   5
   6 #include <linux/uaccess.h>
   7
   8 static inline int setup_vdso_page(unsigned short *ptr)
   9 {
  10         int err = 0;
  11
  12         /* movi r7, 173 */
  13         err |= __put_user(0xea07, ptr);
  14         err |= __put_user(0x008b,      ptr+1);
  15
  16         /* trap 0 */
  17         err |= __put_user(0xc000,   ptr+2);
  18         err |= __put_user(0x2020,   ptr+3);
  19
  20         return err;
  21 }
  22
  23 #endif /* __ABI_CSKY_STRING_H */