xref: /OK3568_Linux_fs/u-boot/arch/nds32/include/asm/global_data.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * (C) Copyright 2002
3*4882a593Smuzhiyun  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (C) 2011 Andes Technology Corporation
6*4882a593Smuzhiyun  * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
7*4882a593Smuzhiyun  * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
8*4882a593Smuzhiyun  *
9*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
10*4882a593Smuzhiyun  */
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun /**************************************************************
13*4882a593Smuzhiyun  * CAUTION:
14*4882a593Smuzhiyun  *   - do not implement for NDS32 Arch yet.
15*4882a593Smuzhiyun  *   - so far no one uses the macros defined in this head file.
16*4882a593Smuzhiyun  **************************************************************/
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun #ifndef	__ASM_GBL_DATA_H
19*4882a593Smuzhiyun #define __ASM_GBL_DATA_H
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun /* Architecture-specific global data */
22*4882a593Smuzhiyun struct arch_global_data {
23*4882a593Smuzhiyun };
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun #include <asm-generic/global_data.h>
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun #ifdef CONFIG_GLOBAL_DATA_NOT_REG10
28*4882a593Smuzhiyun extern volatile gd_t g_gd;
29*4882a593Smuzhiyun #define DECLARE_GLOBAL_DATA_PTR		static volatile gd_t *gd = &g_gd
30*4882a593Smuzhiyun #else
31*4882a593Smuzhiyun #define DECLARE_GLOBAL_DATA_PTR		register volatile gd_t *gd asm ("$r10")
32*4882a593Smuzhiyun #endif
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun #endif /* __ASM_GBL_DATA_H */
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