1 #ifndef __ASM_SECURE_H
2 #define __ASM_SECURE_H
3 
4 #include <config.h>
5 #include <asm/global_data.h>
6 
7 #define __secure __attribute__ ((section ("._secure.text")))
8 #define __secure_data __attribute__ ((section ("._secure.data")))
9 
10 #ifndef __ASSEMBLY__
11 
12 typedef struct secure_svc_tbl {
13 	u32	id;
14 #ifdef CONFIG_ARMV8_PSCI
15 	u8	pad[4];
16 #endif
17 	void	*func;
18 } secure_svc_tbl_t;
19 
20 /*
21  * Macro to declare a SiP function service in '_secure_svc_tbl_entries' section
22  */
23 #define DECLARE_SECURE_SVC(_name, _id, _fn) \
24 	static const secure_svc_tbl_t __secure_svc_ ## _name \
25 		__attribute__((used, section("._secure_svc_tbl_entries"))) \
26 			 = { \
27 				.id = _id, \
28 				.func = _fn }
29 
30 #else
31 
32 #ifdef CONFIG_ARMV8_PSCI
33 #define SECURE_SVC_TBL_OFFSET		16
34 #else
35 #define SECURE_SVC_TBL_OFFSET		8
36 
37 #endif
38 
39 #endif /* __ASSEMBLY__ */
40 
41 #if defined(CONFIG_ARMV7_SECURE_BASE) || defined(CONFIG_ARMV8_SECURE_BASE)
42 /*
43  * Warning, horror ahead.
44  *
45  * The target code lives in our "secure ram", but u-boot doesn't know
46  * that, and has blindly added reloc_off to every relocation
47  * entry. Gahh. Do the opposite conversion. This hack also prevents
48  * GCC from generating code veeners, which u-boot doesn't relocate at
49  * all...
50  */
51 #define secure_ram_addr(_fn) ({						\
52 			DECLARE_GLOBAL_DATA_PTR;			\
53 			void *__fn = _fn;				\
54 			typeof(_fn) *__tmp = (__fn - gd->reloc_off);	\
55 			__tmp;						\
56 		})
57 #else
58 #define secure_ram_addr(_fn)	(_fn)
59 #endif
60 
61 #endif
62