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-rw-r--r--include/bl31/context_mgmt.h91
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diff --git a/include/bl31/context_mgmt.h b/include/bl31/context_mgmt.h
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--- a/include/bl31/context_mgmt.h
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-/*
- * Copyright (c) 2013-2014, ARM Limited and Contributors. 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef __CM_H__
-#define __CM_H__
-
-#include <cpu_data.h>
-#include <stdint.h>
-
-/*******************************************************************************
- * Forward declarations
- ******************************************************************************/
-struct entry_point_info;
-
-/*******************************************************************************
- * Function & variable prototypes
- ******************************************************************************/
-void cm_init(void);
-void *cm_get_context_by_mpidr(uint64_t mpidr, uint32_t security_state);
-static inline void *cm_get_context(uint32_t security_state);
-void cm_set_context_by_mpidr(uint64_t mpidr,
- void *context,
- uint32_t security_state);
-static inline void cm_set_context(void *context, uint32_t security_state);
-void cm_init_context(uint64_t mpidr, const struct entry_point_info *ep);
-void cm_prepare_el3_exit(uint32_t security_state);
-void cm_el1_sysregs_context_save(uint32_t security_state);
-void cm_el1_sysregs_context_restore(uint32_t security_state);
-void cm_set_elr_el3(uint32_t security_state, uint64_t entrypoint);
-void cm_set_elr_spsr_el3(uint32_t security_state,
- uint64_t entrypoint, uint32_t spsr);
-void cm_write_scr_el3_bit(uint32_t security_state,
- uint32_t bit_pos,
- uint32_t value);
-void cm_set_next_eret_context(uint32_t security_state);
-uint32_t cm_get_scr_el3(uint32_t security_state);
-
-/* Inline definitions */
-
-/*******************************************************************************
- * This function returns a pointer to the most recent 'cpu_context' structure
- * for the calling CPU that was set as the context for the specified security
- * state. NULL is returned if no such structure has been specified.
- ******************************************************************************/
-void *cm_get_context(uint32_t security_state)
-{
- assert(security_state <= NON_SECURE);
-
- return get_cpu_data(cpu_context[security_state]);
-}
-
-/*******************************************************************************
- * This function sets the pointer to the current 'cpu_context' structure for the
- * specified security state for the calling CPU
- ******************************************************************************/
-void cm_set_context(void *context, uint32_t security_state)
-{
- assert(security_state <= NON_SECURE);
-
- set_cpu_data(cpu_context[security_state], context);
-}
-
-
-#endif /* __CM_H__ */