[people/ms/u-boot.git] / arch / x86 / include / asm / global_data.h

/*
 * (C) Copyright 2002-2010
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#ifndef	__ASM_GBL_DATA_H
#define __ASM_GBL_DATA_H

#ifndef __ASSEMBLY__

/* Architecture-specific global data */
struct arch_global_data {
	struct global_data *gd_addr;		/* Location of Global Data */
};

#endif

#include <asm-generic/global_data.h>

#ifndef __ASSEMBLY__
static inline gd_t *get_fs_gd_ptr(void)
{
	gd_t *gd_ptr;

	asm volatile("fs movl 0, %0\n" : "=r" (gd_ptr));

	return gd_ptr;
}

#define gd	get_fs_gd_ptr()

#endif

/*
 * Our private Global Data Flags
 */
#define GD_FLG_COLD_BOOT	0x00100	/* Cold Boot */
#define GD_FLG_WARM_BOOT	0x00200	/* Warm Boot */

#define DECLARE_GLOBAL_DATA_PTR

#endif /* __ASM_GBL_DATA_H */
Commit	Line	Data
2262cfee	1	/*
91a76751	2	* (C) Copyright 2002-2010
2262cfee WD	3	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	4	*
	5	* See file CREDITS for list of people who contributed to this
	6	* project.
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License as
	10	* published by the Free Software Foundation; either version 2 of
	11	* the License, or (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	21	* MA 02111-1307 USA
	22	*/
	23
	24	#ifndef __ASM_GBL_DATA_H
	25	#define __ASM_GBL_DATA_H
5cb48582 SG	26
	27	#ifndef __ASSEMBLY__
	28
	29	/* Architecture-specific global data */
	30	struct arch_global_data {
5a35e6c4	31	struct global_data gd_addr; / Location of Global Data */
5cb48582 SG	32	};
5cb48582 SG	33
9558b48a	34	#endif
2262cfee	35
43cff66e SG	36	#include <asm-generic/global_data.h>
	37
	38	#ifndef __ASSEMBLY__
9e6c572f GR	39	static inline gd_t *get_fs_gd_ptr(void)
	40	{
	41	gd_t *gd_ptr;
	42
	43	asm volatile("fs movl 0, %0\n" : "=r" (gd_ptr));
	44
	45	return gd_ptr;
	46	}
	47
	48	#define gd get_fs_gd_ptr()
161b3589 GR	49
	50	#endif
	51
91d82a29 GB	52	/*
	53	* Our private Global Data Flags
	54	*/
	55	#define GD_FLG_COLD_BOOT 0x00100 /* Cold Boot */
	56	#define GD_FLG_WARM_BOOT 0x00200 /* Warm Boot */
	57
3ef96ded	58	#define DECLARE_GLOBAL_DATA_PTR
2262cfee WD	59
2262cfee WD	60	#endif /* __ASM_GBL_DATA_H */