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Diffstat (limited to 'core/include/kernel/tee_time.h')
| -rw-r--r-- | core/include/kernel/tee_time.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/core/include/kernel/tee_time.h b/core/include/kernel/tee_time.h new file mode 100644 index 0000000..58c8438 --- /dev/null +++ b/core/include/kernel/tee_time.h @@ -0,0 +1,45 @@ +/* + * Copyright (c) 2014, STMicroelectronics International N.V. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. 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. + * + * 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 TEE_TIME_H +#define TEE_TIME_H + +#include "tee_api_types.h" + +#define TEE_TIME_BOOT_TICKS_HZ 10UL + +TEE_Result tee_time_get_sys_time(TEE_Time *time); +uint32_t tee_time_get_sys_time_protection_level(void); +TEE_Result tee_time_get_ta_time(const TEE_UUID *uuid, TEE_Time *time); +TEE_Result tee_time_get_ree_time(TEE_Time *time); +TEE_Result tee_time_set_ta_time(const TEE_UUID *uuid, const TEE_Time *time); +/* Releases CPU through OP-TEE RPC which switches to Normal World */ +void tee_time_wait(uint32_t milliseconds_delay); +/* Busy wait */ +void tee_time_busy_wait(uint32_t milliseconds_delay); + +#endif |