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Diffstat (limited to 'include/bl31/context_mgmt.h')
-rw-r--r-- | include/bl31/context_mgmt.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/include/bl31/context_mgmt.h b/include/bl31/context_mgmt.h new file mode 100644 index 0000000..ce4f7a8 --- /dev/null +++ b/include/bl31/context_mgmt.h @@ -0,0 +1,59 @@ +/* + * 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 <stdint.h> + +/******************************************************************************* + * Function & variable prototypes + ******************************************************************************/ +void cm_init(void); +void *cm_get_context(uint64_t mpidr, uint32_t security_state); +void cm_set_context(uint64_t mpidr, + void *context, + uint32_t security_state); +void cm_el3_sysregs_context_save(uint32_t security_state); +void cm_el3_sysregs_context_restore(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_el3_eret_context(uint32_t security_state, uint64_t entrypoint, + uint32_t spsr, uint32_t scr); +void cm_set_elr_el3(uint32_t security_state, uint64_t entrypoint); +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); +void cm_init_pcpu_ptr_cache(); +void cm_set_pcpu_ptr_cache(const void *pcpu_ptr); +void *cm_get_pcpu_ptr_cache(void); +uint32_t cm_get_scr_el3(uint32_t security_state); +#endif /* __CM_H__ */ |