1 files changed, 84 insertions, 0 deletions
diff --git a/big-little/virtualisor/include/virtualisor.h b/big-little/virtualisor/include/virtualisor.h
new file mode 100644
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+++ b/big-little/virtualisor/include/virtualisor.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 __VIRTUALISOR_H__
+#define __VIRTUALISOR_H__
+
+#include "misc.h"
+#include "virt_helpers.h"
+
+/*
+ * Data structure that holds a copy of the virtualized regs
+ */
+typedef struct virt_regs {
+        unsigned cluster_id;
+        unsigned mpidr;
+        unsigned midr;
+} virt_reg_data;
+
+/* 
+ * Data structure that holds all the trap registers exported
+ * by the Virtualisation Extensions.
+ */
+typedef struct trap_regs {
+        unsigned hcr;
+        unsigned hdcr;
+        unsigned hcptr;
+        unsigned hstr;
+} reg_trap_data;
+
+typedef struct gp_regs {
+        unsigned r[15];
+} gp_regs;
+
+/*
+ * Descriptor exported by each processor describing
+ * which traps it wants to implement along with 
+ * handlers for saving and restoring for each conf-
+ * -igured trap.
+ */
+typedef struct virt_desc {
+        /* cpu midr contents */
+        unsigned cpu_no;
+        /* 
+         * Bitmask to inidicate that Virtualisor setup has been
+         * done on both host & target cpus.
+         */
+        unsigned char init[NUM_CPUS];
+        unsigned (*trap_setup) (unsigned, unsigned);
+        unsigned (*trap_handle) (gp_regs * regs, unsigned, unsigned);
+        unsigned (*trap_save) (unsigned, unsigned);
+        unsigned (*trap_restore) (unsigned, unsigned);
+} virt_descriptor;
+
+extern void SetupVirtualisor(unsigned);
+extern void SaveVirtualisor(unsigned);
+extern void RestoreVirtualisor(unsigned);
+extern void HandleVirtualisor(gp_regs *);
+extern void handle_vgic_distif_abort(unsigned, unsigned *, unsigned);
+extern unsigned find_sibling_cpu(void);
+extern virt_descriptor virt_desc_section$$Base;
+extern unsigned virt_desc_section$$Length;
+extern unsigned host_cluster;
+extern unsigned switcher;
+
+#endif /* __VIRTUALISOR_H__ */