62 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
| #ifndef __ASM_SECURE_H
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| #define __ASM_SECURE_H
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| 
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| #include <config.h>
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| #include <asm/global_data.h>
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| 
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| #define __secure __section("._secure.text")
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| #define __secure_data __section("._secure.data")
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| 
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| #ifndef __ASSEMBLY__
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| 
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| typedef struct secure_svc_tbl {
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| 	u32	id;
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| #ifdef CONFIG_ARMV8_PSCI
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| 	u8	pad[4];
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| #endif
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| 	void	*func;
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| } secure_svc_tbl_t;
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| 
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| /*
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|  * Macro to declare a SiP function service in '_secure_svc_tbl_entries' section
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|  */
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| #define DECLARE_SECURE_SVC(_name, _id, _fn) \
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| 	static const secure_svc_tbl_t __secure_svc_ ## _name \
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| 		__used __section("._secure_svc_tbl_entries") \
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| 			 = { \
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| 				.id = _id, \
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| 				.func = _fn }
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| 
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| #else
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| 
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| #ifdef CONFIG_ARMV8_PSCI
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| #define SECURE_SVC_TBL_OFFSET		16
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| #else
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| #define SECURE_SVC_TBL_OFFSET		8
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| 
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| #endif
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| 
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| #endif /* __ASSEMBLY__ */
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| 
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| #if defined(CONFIG_ARMV7_SECURE_BASE) || defined(CONFIG_ARMV8_SECURE_BASE)
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| /*
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|  * Warning, horror ahead.
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|  *
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|  * The target code lives in our "secure ram", but u-boot doesn't know
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|  * that, and has blindly added reloc_off to every relocation
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|  * entry. Gahh. Do the opposite conversion. This hack also prevents
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|  * GCC from generating code veeners, which u-boot doesn't relocate at
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|  * all...
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|  */
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| #define secure_ram_addr(_fn) ({						\
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| 			DECLARE_GLOBAL_DATA_PTR;			\
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| 			void *__fn = _fn;				\
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| 			typeof(_fn) *__tmp = (__fn - gd->reloc_off);	\
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| 			__tmp;						\
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| 		})
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| #else
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| #define secure_ram_addr(_fn)	(_fn)
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| #endif
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| 
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| #endif
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