| Dan Handley | e2c27f5 | 2014-08-01 17:58:27 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 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 __TSP_PRIVATE_H__ |
| 32 | #define __TSP_PRIVATE_H__ |
| 33 | |
| 34 | /* Definitions to help the assembler access the SMC/ERET args structure */ |
| 35 | #define TSP_ARGS_SIZE 0x40 |
| 36 | #define TSP_ARG0 0x0 |
| 37 | #define TSP_ARG1 0x8 |
| 38 | #define TSP_ARG2 0x10 |
| 39 | #define TSP_ARG3 0x18 |
| 40 | #define TSP_ARG4 0x20 |
| 41 | #define TSP_ARG5 0x28 |
| 42 | #define TSP_ARG6 0x30 |
| 43 | #define TSP_ARG7 0x38 |
| 44 | #define TSP_ARGS_END 0x40 |
| 45 | |
| 46 | |
| 47 | #ifndef __ASSEMBLY__ |
| 48 | |
| 49 | #include <cassert.h> |
| 50 | #include <platform_def.h> /* For CACHE_WRITEBACK_GRANULE */ |
| 51 | #include <spinlock.h> |
| 52 | #include <stdint.h> |
| 53 | #include <tsp.h> |
| 54 | |
| 55 | |
| 56 | typedef struct work_statistics { |
| 57 | uint32_t fiq_count; /* Number of FIQs on this cpu */ |
| 58 | uint32_t irq_count; /* Number of IRQs on this cpu */ |
| 59 | uint32_t sync_fiq_count; /* Number of sync. fiqs on this cpu */ |
| 60 | uint32_t sync_fiq_ret_count; /* Number of fiq returns on this cpu */ |
| 61 | uint32_t smc_count; /* Number of returns on this cpu */ |
| 62 | uint32_t eret_count; /* Number of entries on this cpu */ |
| 63 | uint32_t cpu_on_count; /* Number of cpu on requests */ |
| 64 | uint32_t cpu_off_count; /* Number of cpu off requests */ |
| 65 | uint32_t cpu_suspend_count; /* Number of cpu suspend requests */ |
| 66 | uint32_t cpu_resume_count; /* Number of cpu resume requests */ |
| 67 | } __aligned(CACHE_WRITEBACK_GRANULE) work_statistics_t; |
| 68 | |
| 69 | typedef struct tsp_args { |
| 70 | uint64_t _regs[TSP_ARGS_END >> 3]; |
| 71 | } __aligned(CACHE_WRITEBACK_GRANULE) tsp_args_t; |
| 72 | |
| 73 | /* Macros to access members of the above structure using their offsets */ |
| 74 | #define read_sp_arg(args, offset) ((args)->_regs[offset >> 3]) |
| 75 | #define write_sp_arg(args, offset, val) (((args)->_regs[offset >> 3]) \ |
| 76 | = val) |
| 77 | /* |
| 78 | * Ensure that the assembler's view of the size of the tsp_args is the |
| 79 | * same as the compilers |
| 80 | */ |
| 81 | CASSERT(TSP_ARGS_SIZE == sizeof(tsp_args_t), assert_sp_args_size_mismatch); |
| 82 | |
| 83 | void tsp_get_magic(uint64_t args[4]); |
| 84 | |
| 85 | tsp_args_t *tsp_cpu_resume_main(uint64_t arg0, |
| 86 | uint64_t arg1, |
| 87 | uint64_t arg2, |
| 88 | uint64_t arg3, |
| 89 | uint64_t arg4, |
| 90 | uint64_t arg5, |
| 91 | uint64_t arg6, |
| 92 | uint64_t arg7); |
| 93 | tsp_args_t *tsp_cpu_suspend_main(uint64_t arg0, |
| 94 | uint64_t arg1, |
| 95 | uint64_t arg2, |
| 96 | uint64_t arg3, |
| 97 | uint64_t arg4, |
| 98 | uint64_t arg5, |
| 99 | uint64_t arg6, |
| 100 | uint64_t arg7); |
| 101 | tsp_args_t *tsp_cpu_on_main(void); |
| 102 | tsp_args_t *tsp_cpu_off_main(uint64_t arg0, |
| 103 | uint64_t arg1, |
| 104 | uint64_t arg2, |
| 105 | uint64_t arg3, |
| 106 | uint64_t arg4, |
| 107 | uint64_t arg5, |
| 108 | uint64_t arg6, |
| 109 | uint64_t arg7); |
| 110 | |
| 111 | /* Generic Timer functions */ |
| 112 | void tsp_generic_timer_start(void); |
| 113 | void tsp_generic_timer_handler(void); |
| 114 | void tsp_generic_timer_stop(void); |
| 115 | void tsp_generic_timer_save(void); |
| 116 | void tsp_generic_timer_restore(void); |
| 117 | |
| 118 | /* FIQ management functions */ |
| 119 | void tsp_update_sync_fiq_stats(uint32_t type, uint64_t elr_el3); |
| 120 | |
| 121 | |
| 122 | /* Data structure to keep track of TSP statistics */ |
| 123 | extern spinlock_t console_lock; |
| 124 | extern work_statistics_t tsp_stats[PLATFORM_CORE_COUNT]; |
| 125 | |
| 126 | /* Vector table of jumps */ |
| 127 | extern tsp_vectors_t tsp_vector_table; |
| 128 | |
| 129 | |
| 130 | #endif /* __ASSEMBLY__ */ |
| 131 | |
| 132 | #endif /* __TSP_PRIVATE_H__ */ |
| 133 | |