[people/ms/u-boot.git] / arch / arm / include / asm / secure.h

#ifndef __ASM_SECURE_H
#define __ASM_SECURE_H

#include <config.h>

#define __secure __attribute__ ((section ("._secure.text")))
#define __secure_data __attribute__ ((section ("._secure.data")))

#if defined(CONFIG_ARMV7_SECURE_BASE) || defined(CONFIG_ARMV8_SECURE_BASE)
/*
 * Warning, horror ahead.
 *
 * The target code lives in our "secure ram", but u-boot doesn't know
 * that, and has blindly added reloc_off to every relocation
 * entry. Gahh. Do the opposite conversion. This hack also prevents
 * GCC from generating code veeners, which u-boot doesn't relocate at
 * all...
 */
#define secure_ram_addr(_fn) ({						\
			DECLARE_GLOBAL_DATA_PTR;			\
			void *__fn = _fn;				\
			typeof(_fn) *__tmp = (__fn - gd->reloc_off);	\
			__tmp;						\
		})
#else
#define secure_ram_addr(_fn)	(_fn)
#endif

#endif
Commit	Line	Data
f510aeae MZ	1	#ifndef __ASM_SECURE_H
	2	#define __ASM_SECURE_H
	3
	4	#include <config.h>
	5
afc1f65f	6	#define __secure __attribute__ ((section ("._secure.text")))
a5aa7ff3	7	#define __secure_data __attribute__ ((section ("._secure.data")))
afc1f65f	8
9a561753	9	#if defined(CONFIG_ARMV7_SECURE_BASE) \|\| defined(CONFIG_ARMV8_SECURE_BASE)
f510aeae MZ	10	/*
	11	* Warning, horror ahead.
	12	*
	13	* The target code lives in our "secure ram", but u-boot doesn't know
	14	* that, and has blindly added reloc_off to every relocation
	15	* entry. Gahh. Do the opposite conversion. This hack also prevents
	16	* GCC from generating code veeners, which u-boot doesn't relocate at
	17	* all...
	18	*/
	19	#define secure_ram_addr(_fn) ({ \
	20	DECLARE_GLOBAL_DATA_PTR; \
	21	void *__fn = _fn; \
	22	typeof(_fn) *__tmp = (__fn - gd->reloc_off); \
	23	__tmp; \
	24	})
	25	#else
	26	#define secure_ram_addr(_fn) (_fn)
	27	#endif
	28
	29	#endif