arch/nds32/include/asm/global_data.h

   1 /*
   2  * (C) Copyright 2002
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * Copyright (C) 2011 Andes Technology Corporation
   6  * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
   7  * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
   8  *
   9  * SPDX-License-Identifier:     GPL-2.0+
  10  */
  11
  12 /**************************************************************
  13  * CAUTION:
  14  *   - do not implement for NDS32 Arch yet.
  15  *   - so far no one uses the macros defined in this head file.
  16  **************************************************************/
  17
  18 #ifndef __ASM_GBL_DATA_H
  19 #define __ASM_GBL_DATA_H
  20
  21 /* Architecture-specific global data */
  22 struct arch_global_data {
  23 };
  24
  25 #include <asm-generic/global_data.h>
  26
  27 #ifdef CONFIG_GLOBAL_DATA_NOT_REG10
  28 extern volatile gd_t g_gd;
  29 #define DECLARE_GLOBAL_DATA_PTR         static volatile gd_t *gd = &g_gd
  30 #else
  31 #define DECLARE_GLOBAL_DATA_PTR         register volatile gd_t *gd asm ("$r10")
  32 #endif
  33
  34 #endif /* __ASM_GBL_DATA_H */