| Achin Gupta | 7aea908 | 2014-02-01 07:51:28 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are met: |
| 6 | * |
| 7 | * Redistributions of source code must retain the above copyright notice, this |
| 8 | * list of conditions and the following disclaimer. |
| 9 | * |
| 10 | * Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
| 13 | * |
| 14 | * Neither the name of ARM nor the names of its contributors may be used |
| 15 | * to endorse or promote products derived from this software without specific |
| 16 | * prior written permission. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| 22 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 28 | * POSSIBILITY OF SUCH DAMAGE. |
| 29 | */ |
| 30 | |
| 31 | #ifndef __CM_H__ |
| 32 | #define __CM_H__ |
| 33 | |
| Dan Handley | 2bd4ef2 | 2014-04-09 13:14:54 +0100 | [diff] [blame] | 34 | #include <stdint.h> |
| Achin Gupta | 7aea908 | 2014-02-01 07:51:28 +0000 | [diff] [blame] | 35 | |
| Achin Gupta | 7aea908 | 2014-02-01 07:51:28 +0000 | [diff] [blame] | 36 | /******************************************************************************* |
| 37 | * Function & variable prototypes |
| 38 | ******************************************************************************/ |
| 39 | extern void cm_init(void); |
| 40 | extern void *cm_get_context(uint64_t mpidr, uint32_t security_state); |
| 41 | extern void cm_set_context(uint64_t mpidr, |
| 42 | void *context, |
| 43 | uint32_t security_state); |
| 44 | extern void cm_el3_sysregs_context_save(uint32_t security_state); |
| 45 | extern void cm_el3_sysregs_context_restore(uint32_t security_state); |
| 46 | extern void cm_el1_sysregs_context_save(uint32_t security_state); |
| 47 | extern void cm_el1_sysregs_context_restore(uint32_t security_state); |
| Jeenu Viswambharan | caa8493 | 2014-02-06 10:36:15 +0000 | [diff] [blame] | 48 | extern void cm_set_el3_eret_context(uint32_t security_state, uint64_t entrypoint, |
| 49 | uint32_t spsr, uint32_t scr); |
| Achin Gupta | 27b895e | 2014-05-04 18:38:28 +0100 | [diff] [blame] | 50 | extern void cm_set_elr_el3(uint32_t security_state, uint64_t entrypoint); |
| 51 | extern void cm_write_scr_el3_bit(uint32_t security_state, |
| 52 | uint32_t bit_pos, |
| 53 | uint32_t value); |
| Achin Gupta | 7aea908 | 2014-02-01 07:51:28 +0000 | [diff] [blame] | 54 | extern void cm_set_next_eret_context(uint32_t security_state); |
| Soby Mathew | 5e5c207 | 2014-04-07 15:28:55 +0100 | [diff] [blame] | 55 | extern void cm_init_pcpu_ptr_cache(); |
| 56 | extern void cm_set_pcpu_ptr_cache(const void *pcpu_ptr); |
| 57 | extern void *cm_get_pcpu_ptr_cache(void); |
| Achin Gupta | 27b895e | 2014-05-04 18:38:28 +0100 | [diff] [blame] | 58 | extern uint32_t cm_get_scr_el3(uint32_t security_state); |
| Achin Gupta | 7aea908 | 2014-02-01 07:51:28 +0000 | [diff] [blame] | 59 | #endif /* __CM_H__ */ |