1 /* 2 * Copyright (c) 2014-2022, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #ifndef TSP_PRIVATE_H 8 #define TSP_PRIVATE_H 9 10 /******************************************************************************* 11 * The TSP memory footprint starts at address BL32_BASE and ends with the 12 * linker symbol __BL32_END__. Use these addresses to compute the TSP image 13 * size. 14 ******************************************************************************/ 15 #define BL32_TOTAL_LIMIT BL32_END 16 #define BL32_TOTAL_SIZE (BL32_TOTAL_LIMIT - (unsigned long) BL32_BASE) 17 18 #ifndef __ASSEMBLER__ 19 20 #include <stdint.h> 21 22 #include <bl32/tsp/tsp.h> 23 #include <lib/cassert.h> 24 #include <lib/spinlock.h> 25 #include <smccc_helpers.h> 26 27 typedef struct work_statistics { 28 /* Number of s-el1 interrupts on this cpu */ 29 uint32_t sel1_intr_count; 30 /* Number of non s-el1 interrupts on this cpu which preempted TSP */ 31 uint32_t preempt_intr_count; 32 /* Number of sync s-el1 interrupts on this cpu */ 33 uint32_t sync_sel1_intr_count; 34 /* Number of s-el1 interrupts returns on this cpu */ 35 uint32_t sync_sel1_intr_ret_count; 36 uint32_t smc_count; /* Number of returns on this cpu */ 37 uint32_t eret_count; /* Number of entries on this cpu */ 38 uint32_t cpu_on_count; /* Number of cpu on requests */ 39 uint32_t cpu_off_count; /* Number of cpu off requests */ 40 uint32_t cpu_suspend_count; /* Number of cpu suspend requests */ 41 uint32_t cpu_resume_count; /* Number of cpu resume requests */ 42 } __aligned(CACHE_WRITEBACK_GRANULE) work_statistics_t; 43 44 /* Macros to access members of the above structure using their offsets */ 45 #define read_sp_arg(args, offset) ((args)->_regs[offset >> 3]) 46 #define write_sp_arg(args, offset, val) (((args)->_regs[offset >> 3]) \ 47 = val) 48 49 uint128_t tsp_get_magic(void); 50 51 smc_args_t *set_smc_args(uint64_t arg0, 52 uint64_t arg1, 53 uint64_t arg2, 54 uint64_t arg3, 55 uint64_t arg4, 56 uint64_t arg5, 57 uint64_t arg6, 58 uint64_t arg7); 59 smc_args_t *tsp_cpu_resume_main(uint64_t max_off_pwrlvl, 60 uint64_t arg1, 61 uint64_t arg2, 62 uint64_t arg3, 63 uint64_t arg4, 64 uint64_t arg5, 65 uint64_t arg6, 66 uint64_t arg7); 67 smc_args_t *tsp_cpu_suspend_main(uint64_t arg0, 68 uint64_t arg1, 69 uint64_t arg2, 70 uint64_t arg3, 71 uint64_t arg4, 72 uint64_t arg5, 73 uint64_t arg6, 74 uint64_t arg7); 75 smc_args_t *tsp_cpu_on_main(void); 76 smc_args_t *tsp_cpu_off_main(uint64_t arg0, 77 uint64_t arg1, 78 uint64_t arg2, 79 uint64_t arg3, 80 uint64_t arg4, 81 uint64_t arg5, 82 uint64_t arg6, 83 uint64_t arg7); 84 85 /* Generic Timer functions */ 86 void tsp_generic_timer_start(void); 87 void tsp_generic_timer_handler(void); 88 void tsp_generic_timer_stop(void); 89 void tsp_generic_timer_save(void); 90 void tsp_generic_timer_restore(void); 91 92 /* S-EL1 interrupt management functions */ 93 void tsp_update_sync_sel1_intr_stats(uint32_t type, uint64_t elr_el3); 94 95 96 /* Data structure to keep track of TSP statistics */ 97 extern spinlock_t console_lock; 98 extern work_statistics_t tsp_stats[PLATFORM_CORE_COUNT]; 99 100 /* Vector table of jumps */ 101 extern tsp_vectors_t tsp_vector_table; 102 103 /* functions */ 104 int32_t tsp_common_int_handler(void); 105 int32_t tsp_handle_preemption(void); 106 107 smc_args_t *tsp_abort_smc_handler(uint64_t func, 108 uint64_t arg1, 109 uint64_t arg2, 110 uint64_t arg3, 111 uint64_t arg4, 112 uint64_t arg5, 113 uint64_t arg6, 114 uint64_t arg7); 115 116 smc_args_t *tsp_smc_handler(uint64_t func, 117 uint64_t arg1, 118 uint64_t arg2, 119 uint64_t arg3, 120 uint64_t arg4, 121 uint64_t arg5, 122 uint64_t arg6, 123 uint64_t arg7); 124 125 smc_args_t *tsp_system_reset_main(uint64_t arg0, 126 uint64_t arg1, 127 uint64_t arg2, 128 uint64_t arg3, 129 uint64_t arg4, 130 uint64_t arg5, 131 uint64_t arg6, 132 uint64_t arg7); 133 134 smc_args_t *tsp_system_off_main(uint64_t arg0, 135 uint64_t arg1, 136 uint64_t arg2, 137 uint64_t arg3, 138 uint64_t arg4, 139 uint64_t arg5, 140 uint64_t arg6, 141 uint64_t arg7); 142 143 uint64_t tsp_main(void); 144 #endif /* __ASSEMBLER__ */ 145 146 #endif /* TSP_PRIVATE_H */ 147