arch/blackfin/include/uapi/asm/fixed_code.h

   1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
   2 /*
   3  * This file defines the fixed addresses where userspace programs
   4  * can find atomic code sequences.
   5  *
   6  * Copyright 2007-2008 Analog Devices Inc.
   7  *
   8  * Licensed under the GPL-2 or later.
   9  */
  10
  11 #ifndef _UAPI__BFIN_ASM_FIXED_CODE_H__
  12 #define _UAPI__BFIN_ASM_FIXED_CODE_H__
  13
  14
  15 #ifndef CONFIG_PHY_RAM_BASE_ADDRESS
  16 #define CONFIG_PHY_RAM_BASE_ADDRESS     0x0
  17 #endif
  18
  19 #define FIXED_CODE_START        (CONFIG_PHY_RAM_BASE_ADDRESS + 0x400)
  20
  21 #define SIGRETURN_STUB          (CONFIG_PHY_RAM_BASE_ADDRESS + 0x400)
  22
  23 #define ATOMIC_SEQS_START       (CONFIG_PHY_RAM_BASE_ADDRESS + 0x410)
  24
  25 #define ATOMIC_XCHG32           (CONFIG_PHY_RAM_BASE_ADDRESS + 0x410)
  26 #define ATOMIC_CAS32            (CONFIG_PHY_RAM_BASE_ADDRESS + 0x420)
  27 #define ATOMIC_ADD32            (CONFIG_PHY_RAM_BASE_ADDRESS + 0x430)
  28 #define ATOMIC_SUB32            (CONFIG_PHY_RAM_BASE_ADDRESS + 0x440)
  29 #define ATOMIC_IOR32            (CONFIG_PHY_RAM_BASE_ADDRESS + 0x450)
  30 #define ATOMIC_AND32            (CONFIG_PHY_RAM_BASE_ADDRESS + 0x460)
  31 #define ATOMIC_XOR32            (CONFIG_PHY_RAM_BASE_ADDRESS + 0x470)
  32
  33 #define ATOMIC_SEQS_END         (CONFIG_PHY_RAM_BASE_ADDRESS + 0x480)
  34
  35 #define SAFE_USER_INSTRUCTION   (CONFIG_PHY_RAM_BASE_ADDRESS + 0x480)
  36
  37 #define FIXED_CODE_END          (CONFIG_PHY_RAM_BASE_ADDRESS + 0x490)
  38
  39 #endif /* _UAPI__BFIN_ASM_FIXED_CODE_H__ */