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Diffstat (limited to '')
| -rw-r--r-- | bl32/tsp/tsp_private.h | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/bl32/tsp/tsp_private.h b/bl32/tsp/tsp_private.h new file mode 100644 index 0000000..66873e2 --- /dev/null +++ b/bl32/tsp/tsp_private.h @@ -0,0 +1,145 @@ +/* + * Copyright (c) 2014-2022, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef TSP_PRIVATE_H +#define TSP_PRIVATE_H + +/******************************************************************************* + * The TSP memory footprint starts at address BL32_BASE and ends with the + * linker symbol __BL32_END__. Use these addresses to compute the TSP image + * size. + ******************************************************************************/ +#define BL32_TOTAL_LIMIT BL32_END +#define BL32_TOTAL_SIZE (BL32_TOTAL_LIMIT - (unsigned long) BL32_BASE) + +#ifndef __ASSEMBLER__ + +#include <stdint.h> + +#include <bl32/tsp/tsp.h> +#include <lib/cassert.h> +#include <lib/spinlock.h> +#include <smccc_helpers.h> + +typedef struct work_statistics { + /* Number of s-el1 interrupts on this cpu */ + uint32_t sel1_intr_count; + /* Number of non s-el1 interrupts on this cpu which preempted TSP */ + uint32_t preempt_intr_count; + /* Number of sync s-el1 interrupts on this cpu */ + uint32_t sync_sel1_intr_count; + /* Number of s-el1 interrupts returns on this cpu */ + uint32_t sync_sel1_intr_ret_count; + 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; + +/* 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) + +uint128_t tsp_get_magic(void); + +smc_args_t *set_smc_args(uint64_t arg0, + uint64_t arg1, + uint64_t arg2, + uint64_t arg3, + uint64_t arg4, + uint64_t arg5, + uint64_t arg6, + uint64_t arg7); +smc_args_t *tsp_cpu_resume_main(uint64_t max_off_pwrlvl, + uint64_t arg1, + uint64_t arg2, + uint64_t arg3, + uint64_t arg4, + uint64_t arg5, + uint64_t arg6, + uint64_t arg7); +smc_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); +smc_args_t *tsp_cpu_on_main(void); +smc_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); + +/* Generic Timer functions */ +void tsp_generic_timer_start(void); +void tsp_generic_timer_handler(void); +void tsp_generic_timer_stop(void); +void tsp_generic_timer_save(void); +void tsp_generic_timer_restore(void); + +/* S-EL1 interrupt management functions */ +void tsp_update_sync_sel1_intr_stats(uint32_t type, uint64_t elr_el3); + + +/* Data structure to keep track of TSP statistics */ +extern work_statistics_t tsp_stats[PLATFORM_CORE_COUNT]; + +/* Vector table of jumps */ +extern tsp_vectors_t tsp_vector_table; + +/* functions */ +int32_t tsp_common_int_handler(void); +int32_t tsp_handle_preemption(void); + +smc_args_t *tsp_abort_smc_handler(uint64_t func, + uint64_t arg1, + uint64_t arg2, + uint64_t arg3, + uint64_t arg4, + uint64_t arg5, + uint64_t arg6, + uint64_t arg7); + +smc_args_t *tsp_smc_handler(uint64_t func, + uint64_t arg1, + uint64_t arg2, + uint64_t arg3, + uint64_t arg4, + uint64_t arg5, + uint64_t arg6, + uint64_t arg7); + +smc_args_t *tsp_system_reset_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); + +smc_args_t *tsp_system_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); + +uint64_t tsp_main(void); +#endif /* __ASSEMBLER__ */ + +#endif /* TSP_PRIVATE_H */ |