| /* |
| * 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_WORK_DONE 0xf2000005 |
| |
| /* SMC function ID that TSP uses to request service from secure montior */ |
| #define TSP_GET_ARGS 0xf2001000 |
| |
| /* Function IDs for various TSP services */ |
| #define TSP_FID_ADD 0xf2002000 |
| #define TSP_FID_SUB 0xf2002001 |
| #define TSP_FID_MUL 0xf2002002 |
| #define TSP_FID_DIV 0xf2002003 |
| |
| /* |
| * 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 */ |
| |
| /* Definitions to help the assembler access the SMC/ERET args structure */ |
| #define TSP_ARGS_SIZE 0x40 |
| #define TSP_ARG0 0x0 |
| #define TSP_ARG1 0x8 |
| #define TSP_ARG2 0x10 |
| #define TSP_ARG3 0x18 |
| #define TSP_ARG4 0x20 |
| #define TSP_ARG5 0x28 |
| #define TSP_ARG6 0x30 |
| #define TSP_ARG7 0x38 |
| #define TSP_ARGS_END 0x40 |
| |
| #ifndef __ASSEMBLY__ |
| |
| #include <cassert.h> |
| #include <platform.h> /* For CACHE_WRITEBACK_GRANULE */ |
| #include <stdint.h> |
| |
| typedef void (*tsp_generic_fptr_t)(uint64_t arg0, |
| uint64_t arg1, |
| uint64_t arg2, |
| uint64_t arg3, |
| uint64_t arg4, |
| uint64_t arg5, |
| uint64_t arg6, |
| uint64_t arg7); |
| |
| typedef struct entry_info { |
| tsp_generic_fptr_t fast_smc_entry; |
| tsp_generic_fptr_t cpu_on_entry; |
| tsp_generic_fptr_t cpu_off_entry; |
| tsp_generic_fptr_t cpu_resume_entry; |
| tsp_generic_fptr_t cpu_suspend_entry; |
| } entry_info_t; |
| |
| typedef struct work_statistics { |
| uint32_t smc_count; /* Number of returns on this cpu */ |
| uint32_t eret_count; /* Number of entries on this cpu */ |
| uint32_t cpu_on_count; /* Number of cpu on requests */ |
| uint32_t cpu_off_count; /* Number of cpu off requests */ |
| uint32_t cpu_suspend_count; /* Number of cpu suspend requests */ |
| uint32_t cpu_resume_count; /* Number of cpu resume requests */ |
| } __aligned(CACHE_WRITEBACK_GRANULE) work_statistics_t; |
| |
| typedef struct tsp_args { |
| uint64_t _regs[TSP_ARGS_END >> 3]; |
| } __aligned(CACHE_WRITEBACK_GRANULE) tsp_args_t; |
| |
| /* Macros to access members of the above structure using their offsets */ |
| #define read_sp_arg(args, offset) ((args)->_regs[offset >> 3]) |
| #define write_sp_arg(args, offset, val)(((args)->_regs[offset >> 3]) \ |
| = val) |
| |
| /* |
| * Ensure that the assembler's view of the size of the tsp_args is the |
| * same as the compilers |
| */ |
| CASSERT(TSP_ARGS_SIZE == sizeof(tsp_args_t), assert_sp_args_size_mismatch); |
| |
| extern void tsp_get_magic(uint64_t args[4]); |
| |
| extern void tsp_fast_smc_entry(uint64_t arg0, |
| uint64_t arg1, |
| uint64_t arg2, |
| uint64_t arg3, |
| uint64_t arg4, |
| uint64_t arg5, |
| uint64_t arg6, |
| uint64_t arg7); |
| extern void tsp_cpu_resume_entry(uint64_t arg0, |
| uint64_t arg1, |
| uint64_t arg2, |
| uint64_t arg3, |
| uint64_t arg4, |
| uint64_t arg5, |
| uint64_t arg6, |
| uint64_t arg7); |
| extern tsp_args_t *tsp_cpu_resume_main(uint64_t arg0, |
| uint64_t arg1, |
| uint64_t arg2, |
| uint64_t arg3, |
| uint64_t arg4, |
| uint64_t arg5, |
| uint64_t arg6, |
| uint64_t arg7); |
| extern void tsp_cpu_suspend_entry(uint64_t arg0, |
| uint64_t arg1, |
| uint64_t arg2, |
| uint64_t arg3, |
| uint64_t arg4, |
| uint64_t arg5, |
| uint64_t arg6, |
| uint64_t arg7); |
| extern tsp_args_t *tsp_cpu_suspend_main(uint64_t arg0, |
| uint64_t arg1, |
| uint64_t arg2, |
| uint64_t arg3, |
| uint64_t arg4, |
| uint64_t arg5, |
| uint64_t arg6, |
| uint64_t arg7); |
| extern void tsp_cpu_on_entry(uint64_t arg0, |
| uint64_t arg1, |
| uint64_t arg2, |
| uint64_t arg3, |
| uint64_t arg4, |
| uint64_t arg5, |
| uint64_t arg6, |
| uint64_t arg7); |
| extern tsp_args_t *tsp_cpu_on_main(void); |
| extern void tsp_cpu_off_entry(uint64_t arg0, |
| uint64_t arg1, |
| uint64_t arg2, |
| uint64_t arg3, |
| uint64_t arg4, |
| uint64_t arg5, |
| uint64_t arg6, |
| uint64_t arg7); |
| extern tsp_args_t *tsp_cpu_off_main(uint64_t arg0, |
| uint64_t arg1, |
| uint64_t arg2, |
| uint64_t arg3, |
| uint64_t arg4, |
| uint64_t arg5, |
| uint64_t arg6, |
| uint64_t arg7); |
| #endif /* __ASSEMBLY__ */ |
| |
| #endif /* __BL2_H__ */ |