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

INCLUDED FROM

DEFINITIONS

1. setup_vdso_page

   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 */