1 files changed, 87 insertions, 0 deletions
diff --git a/big-little/secure_world/secure_world.h b/big-little/secure_world/secure_world.h
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+++ b/big-little/secure_world/secure_world.h
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+/*
+ * Copyright (c) 2011, ARM Limited. All rights reserved.
+ *       
+ * Redistribution and use in source and binary forms, with
+ * or without modification, are permitted provided that the
+ * following conditions are met:
+ *     
+ * Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the 
+ * following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the
+ * above copyright notice, this list of conditions and 
+ * the following disclaimer in the documentation 
+ * and/or other materials provided with the distribution.
+ *      
+ * Neither the name of ARM nor the names of its
+ * contributors may be used to endorse or promote products
+ * derived from this software without specific prior written
+ * permission.                        
+ */ 
+
+#ifndef __SECURE_WORLD_H__
+#define __SECURE_WORLD_H__
+
+#include "hyp_types.h"
+#include "virt_helpers.h"
+#include "events.h"
+#include "misc.h"
+#include "gic_registers.h"
+#include "hyp_vmmap.h"
+
+/* Definitions for creating a 4K page table entry */
+#define PAGE_SHIFT              12
+#define PAGE_SIZE               (1UL << PAGE_SHIFT)
+#define PAGE_MASK               (~(PAGE_SIZE-1))
+#define PAGE_ALIGN(x)           (x & PAGE_MASK)
+
+#define MB_SHIFT                20
+#define MB_SIZE                 (1UL << MB_SHIFT)
+#define MB_MASK                 (~(MB_SIZE-1))
+#define MB_ALIGN(x)             (x & MB_MASK)
+
+#define SP_L1_BASE_SHIFT        10
+#define SP_L1_BASE_MASK         (~((1UL << SP_L1_BASE_SHIFT) - 1))
+
+/* Definitions for first level small page descriptors */
+#define SMALL_PAGE      (1 << 0)
+#define SMALL_PAGE_NS   (1 << 3)
+
+/* Definitions for second level small page descriptors */
+#define SP_XN           (1 << 0)
+#define SP_SBO          (1 << 1)
+#define SP_BUFFERABLE   (1 << 2)
+#define SP_CACHEABLE    (1 << 3)
+#define SP_AP0          (1 << 4)
+#define SP_AP1          (1 << 5)
+#define SP_AP2          (1 << 9)
+#define SP_TEX0         (1 << 6)
+#define SP_TEX1         (1 << 7)
+#define SP_TEX2         (1 << 8)
+#define SP_SHARED       (1 << 10)
+#define SP_GLOBAL       (1 << 11)
+
+typedef struct sec_stack {
+        unsigned stack[STACK_SIZE];
+} sec_stack;
+
+typedef struct sec_context {
+        unsigned sctlr;
+        unsigned actlr;
+        unsigned cpacr;
+        unsigned nsacr;
+        unsigned scr;
+        unsigned vbar;
+        unsigned mvbar;
+        unsigned cntfrq;
+        unsigned cci_sar;
+        unsigned vgic_icdisr0;
+        unsigned vgic_iccpmr;
+} sec_context;
+
+extern void enable_caches(void);
+extern void secure_context_restore(void);
+extern void secure_context_save(unsigned);
+
+#endif                          /* __SECURE_WORLD_H__ */