blob: c0b191f79cbb448e31b6a06b4f24c22922f44e4e [file] [log] [blame]
/*
* 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 __TSP_H__
#define __TSP_H__
/*
* SMC function IDs that TSP uses to signal various forms of completions
* to the secure payload dispatcher.
*/
#define TSP_ENTRY_DONE 0xf2000000
#define TSP_ON_DONE 0xf2000001
#define TSP_OFF_DONE 0xf2000002
#define TSP_SUSPEND_DONE 0xf2000003
#define TSP_RESUME_DONE 0xf2000004
#define TSP_PREEMPTED 0xf2000005
/*
* Function identifiers to handle FIQs through the synchronous handling model.
* If the TSP was previously interrupted then control has to be returned to
* the TSPD after handling the interrupt else execution can remain in the TSP.
*/
#define TSP_HANDLED_S_EL1_FIQ 0xf2000006
#define TSP_EL3_FIQ 0xf2000007
/* SMC function ID that TSP uses to request service from secure monitor */
#define TSP_GET_ARGS 0xf2001000
/*
* Identifiers for various TSP services. Corresponding function IDs (whether
* fast or standard) are generated by macros defined below
*/
#define TSP_ADD 0x2000
#define TSP_SUB 0x2001
#define TSP_MUL 0x2002
#define TSP_DIV 0x2003
#define TSP_HANDLE_FIQ_AND_RETURN 0x2004
/*
* Generate function IDs for TSP services to be used in SMC calls, by
* appropriately setting bit 31 to differentiate standard and fast SMC calls
*/
#define TSP_STD_FID(fid) ((fid) | 0x72000000 | (0 << 31))
#define TSP_FAST_FID(fid) ((fid) | 0x72000000 | (1 << 31))
/* SMC function ID to request a previously preempted std smc */
#define TSP_FID_RESUME TSP_STD_FID(0x3000)
/*
* Identify a TSP service from function ID filtering the last 16 bits from the
* SMC function ID
*/
#define TSP_BARE_FID(fid) ((fid) & 0xffff)
/*
* Total number of function IDs implemented for services offered to NS clients.
* The function IDs are defined above
*/
#define TSP_NUM_FID 0x4
/* TSP implementation version numbers */
#define TSP_VERSION_MAJOR 0x0 /* Major version */
#define TSP_VERSION_MINOR 0x1 /* Minor version */
/*
* Standard Trusted OS Function IDs that fall under Trusted OS call range
* according to SMC calling convention
*/
#define TOS_CALL_COUNT 0xbf00ff00 /* Number of calls implemented */
#define TOS_UID 0xbf00ff01 /* Implementation UID */
/* 0xbf00ff02 is reserved */
#define TOS_CALL_VERSION 0xbf00ff03 /* Trusted OS Call Version */
#ifndef __ASSEMBLY__
#include <stdint.h>
typedef uint32_t tsp_vector_isn_t;
typedef struct tsp_vectors {
tsp_vector_isn_t std_smc_entry;
tsp_vector_isn_t fast_smc_entry;
tsp_vector_isn_t cpu_on_entry;
tsp_vector_isn_t cpu_off_entry;
tsp_vector_isn_t cpu_resume_entry;
tsp_vector_isn_t cpu_suspend_entry;
tsp_vector_isn_t fiq_entry;
} tsp_vectors_t;
#endif /* __ASSEMBLY__ */
#endif /* __TSP_H__ */