GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/arch/arm/include/asm/secure.h

@@ -0,0 +1,60 @@
+#ifndef __ASM_SECURE_H
+#define __ASM_SECURE_H
+
+#include <config.h>
+
+#define __secure __attribute__ ((section ("._secure.text")))
+#define __secure_data __attribute__ ((section ("._secure.data")))
+
+#ifndef __ASSEMBLY__
+
+typedef struct secure_svc_tbl {
+	u32	id;
+#ifdef CONFIG_ARMV8_PSCI
+	u8	pad[4];
+#endif
+	void	*func;
+} secure_svc_tbl_t;
+
+/*
+ * Macro to declare a SiP function service in '_secure_svc_tbl_entries' section
+ */
+#define DECLARE_SECURE_SVC(_name, _id, _fn) \
+	static const secure_svc_tbl_t __secure_svc_ ## _name \
+		__attribute__((used, section("._secure_svc_tbl_entries"))) \
+			 = { \
+				.id = _id, \
+				.func = _fn }
+
+#else
+
+#ifdef CONFIG_ARMV8_PSCI
+#define SECURE_SVC_TBL_OFFSET		16
+#else
+#define SECURE_SVC_TBL_OFFSET		8
+
+#endif
+
+#endif /* __ASSEMBLY__ */
+
+#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