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https://github.com/Telecominfraproject/OpenCellular.git
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52538b9b3e
This patch adds call count, UID and version information SMC calls for the Trusted OS, as specified by the SMC calling convention. Change-Id: I9a3e84ac1bb046051db975d853dcbe9612aba6a9
202 lines
6.2 KiB
C
202 lines
6.2 KiB
C
/*
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* Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of ARM nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __TSP_H__
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#define __TSP_H__
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#include <bl_common.h>
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#include <platform.h>
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/*
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* SMC function IDs that TSP uses to signal various forms of completions
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* to the secure payload dispatcher.
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*/
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#define TSP_ENTRY_DONE 0xf2000000
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#define TSP_ON_DONE 0xf2000001
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#define TSP_OFF_DONE 0xf2000002
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#define TSP_SUSPEND_DONE 0xf2000003
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#define TSP_RESUME_DONE 0xf2000004
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#define TSP_WORK_DONE 0xf2000005
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/* SMC function ID that TSP uses to request service from secure montior */
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#define TSP_GET_ARGS 0xf2001000
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/* Function IDs for various TSP services */
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#define TSP_FID_ADD 0xf2002000
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#define TSP_FID_SUB 0xf2002001
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#define TSP_FID_MUL 0xf2002002
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#define TSP_FID_DIV 0xf2002003
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/*
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* Total number of function IDs implemented for services offered to NS clients.
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* The function IDs are defined above
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*/
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#define TSP_NUM_FID 0x4
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/* TSP implementation version numbers */
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#define TSP_VERSION_MAJOR 0x0 /* Major version */
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#define TSP_VERSION_MINOR 0x1 /* Minor version */
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/*
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* Standard Trusted OS Function IDs that fall under Trusted OS call range
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* according to SMC calling convention
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*/
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#define TOS_CALL_COUNT 0xbf00ff00 /* Number of calls implemented */
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#define TOS_UID 0xbf00ff01 /* Implementation UID */
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/* 0xbf00ff02 is reserved */
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#define TOS_CALL_VERSION 0xbf00ff03 /* Trusted OS Call Version */
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/* Definitions to help the assembler access the SMC/ERET args structure */
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#define TSP_ARGS_SIZE 0x40
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#define TSP_ARG0 0x0
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#define TSP_ARG1 0x8
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#define TSP_ARG2 0x10
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#define TSP_ARG3 0x18
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#define TSP_ARG4 0x20
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#define TSP_ARG5 0x28
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#define TSP_ARG6 0x30
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#define TSP_ARG7 0x38
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#define TSP_ARGS_END 0x40
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#ifndef __ASSEMBLY__
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#include <stdint.h>
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typedef void (*tsp_generic_fptr)(uint64_t arg0,
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uint64_t arg1,
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uint64_t arg2,
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uint64_t arg3,
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uint64_t arg4,
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uint64_t arg5,
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uint64_t arg6,
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uint64_t arg7);
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typedef struct {
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tsp_generic_fptr fast_smc_entry;
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tsp_generic_fptr cpu_on_entry;
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tsp_generic_fptr cpu_off_entry;
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tsp_generic_fptr cpu_resume_entry;
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tsp_generic_fptr cpu_suspend_entry;
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} entry_info;
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typedef struct {
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uint32_t smc_count; /* Number of returns on this cpu */
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uint32_t eret_count; /* Number of entries on this cpu */
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uint32_t cpu_on_count; /* Number of cpu on requests */
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uint32_t cpu_off_count; /* Number of cpu off requests */
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uint32_t cpu_suspend_count; /* Number of cpu suspend requests */
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uint32_t cpu_resume_count; /* Number of cpu resume requests */
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} __aligned(CACHE_WRITEBACK_GRANULE) work_statistics;
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typedef struct {
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uint64_t _regs[TSP_ARGS_END >> 3];
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} __aligned(CACHE_WRITEBACK_GRANULE) tsp_args;
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/* Macros to access members of the above structure using their offsets */
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#define read_sp_arg(args, offset) ((args)->_regs[offset >> 3])
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#define write_sp_arg(args, offset, val)(((args)->_regs[offset >> 3]) \
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= val)
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/*
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* Ensure that the assembler's view of the size of the tsp_args is the
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* same as the compilers
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*/
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CASSERT(TSP_ARGS_SIZE == sizeof(tsp_args), assert_sp_args_size_mismatch);
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extern void tsp_get_magic(uint64_t args[4]);
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extern void tsp_fast_smc_entry(uint64_t arg0,
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uint64_t arg1,
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uint64_t arg2,
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uint64_t arg3,
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uint64_t arg4,
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uint64_t arg5,
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uint64_t arg6,
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uint64_t arg7);
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extern void tsp_cpu_resume_entry(uint64_t arg0,
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uint64_t arg1,
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uint64_t arg2,
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uint64_t arg3,
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uint64_t arg4,
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uint64_t arg5,
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uint64_t arg6,
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uint64_t arg7);
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extern tsp_args *tsp_cpu_resume_main(uint64_t arg0,
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uint64_t arg1,
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uint64_t arg2,
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uint64_t arg3,
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uint64_t arg4,
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uint64_t arg5,
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uint64_t arg6,
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uint64_t arg7);
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extern void tsp_cpu_suspend_entry(uint64_t arg0,
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uint64_t arg1,
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uint64_t arg2,
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uint64_t arg3,
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uint64_t arg4,
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uint64_t arg5,
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uint64_t arg6,
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uint64_t arg7);
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extern tsp_args *tsp_cpu_suspend_main(uint64_t arg0,
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uint64_t arg1,
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uint64_t arg2,
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uint64_t arg3,
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uint64_t arg4,
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uint64_t arg5,
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uint64_t arg6,
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uint64_t arg7);
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extern void tsp_cpu_on_entry(uint64_t arg0,
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uint64_t arg1,
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uint64_t arg2,
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uint64_t arg3,
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uint64_t arg4,
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uint64_t arg5,
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uint64_t arg6,
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uint64_t arg7);
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extern tsp_args *tsp_cpu_on_main(void);
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extern void tsp_cpu_off_entry(uint64_t arg0,
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uint64_t arg1,
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uint64_t arg2,
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uint64_t arg3,
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uint64_t arg4,
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uint64_t arg5,
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uint64_t arg6,
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uint64_t arg7);
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extern tsp_args *tsp_cpu_off_main(uint64_t arg0,
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uint64_t arg1,
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uint64_t arg2,
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uint64_t arg3,
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uint64_t arg4,
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uint64_t arg5,
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uint64_t arg6,
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uint64_t arg7);
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#endif /* __ASSEMBLY__ */
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#endif /* __BL2_H__ */
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