1 /*
2  * (C) Copyright 2002-2010
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #ifndef	__ASM_GBL_DATA_H
9 #define __ASM_GBL_DATA_H
10 
11 #ifndef __ASSEMBLY__
12 
13 /* Architecture-specific global data */
14 struct arch_global_data {
15 	struct global_data *gd_addr;		/* Location of Global Data */
16 	uint64_t tsc_base;		/* Initial value returned by rdtsc() */
17 	uint32_t tsc_base_kclocks;	/* Initial tsc as a kclocks value */
18 	uint32_t tsc_prev;		/* For show_boot_progress() */
19 	void *new_fdt;			/* Relocated FDT */
20 };
21 
22 #endif
23 
24 #include <asm-generic/global_data.h>
25 
26 #ifndef __ASSEMBLY__
27 static inline __attribute__((no_instrument_function)) gd_t *get_fs_gd_ptr(void)
28 {
29 	gd_t *gd_ptr;
30 
31 	asm volatile("fs movl 0, %0\n" : "=r" (gd_ptr));
32 
33 	return gd_ptr;
34 }
35 
36 #define gd	get_fs_gd_ptr()
37 
38 #endif
39 
40 /*
41  * Our private Global Data Flags
42  */
43 #define GD_FLG_COLD_BOOT	0x00100	/* Cold Boot */
44 #define GD_FLG_WARM_BOOT	0x00200	/* Warm Boot */
45 
46 #define DECLARE_GLOBAL_DATA_PTR
47 
48 #endif /* __ASM_GBL_DATA_H */
49