142 lines
4.1 KiB
C
142 lines
4.1 KiB
C
/*----------------------------------------------------------------------------
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* Tencent is pleased to support the open source community by making TencentOS
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* available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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* If you have downloaded a copy of the TencentOS binary from Tencent, please
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* note that the TencentOS binary is licensed under the BSD 3-Clause License.
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*
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* If you have downloaded a copy of the TencentOS source code from Tencent,
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* please note that TencentOS source code is licensed under the BSD 3-Clause
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* License, except for the third-party components listed below which are
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* subject to different license terms. Your integration of TencentOS into your
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* own projects may require compliance with the BSD 3-Clause License, as well
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* as the other licenses applicable to the third-party components included
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* within TencentOS.
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*---------------------------------------------------------------------------*/
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#ifndef _TOS_CPU_H_
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#define _TOS_CPU_H_
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typedef struct cpu_context_st {
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cpu_data_t _R4;
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cpu_data_t _R5;
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cpu_data_t _R6;
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cpu_data_t _R7;
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cpu_data_t _R8;
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cpu_data_t _R9;
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cpu_data_t _R10;
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cpu_data_t _R11;
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#if defined (TOS_CFG_CPU_ARM_FPU_EN) && (TOS_CFG_CPU_ARM_FPU_EN == 1U)
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cpu_data_t EXC_RETURN;
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#endif
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cpu_data_t _R0;
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cpu_data_t _R1;
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cpu_data_t _R2;
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cpu_data_t _R3;
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cpu_data_t _R12;
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cpu_data_t _R14;
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cpu_data_t _PC;
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cpu_data_t _xPSR;
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} cpu_context_t;
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__API__ uint32_t tos_cpu_clz(uint32_t val);
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__API__ void tos_cpu_int_disable(void);
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__API__ void tos_cpu_int_enable(void);
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__API__ cpu_cpsr_t tos_cpu_cpsr_save(void);
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__API__ void tos_cpu_cpsr_restore(cpu_cpsr_t cpsr);
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#if (TOS_CFG_CPU_HRTIMER_EN > 0u)
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__API__ void tos_cpu_hrtimer_init(void);
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__API__ cpu_hrtimer_t tos_cpu_hrtimer_read(void);
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#endif
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__KNL__ void cpu_init(void);
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__KNL__ void cpu_reset(void);
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__KNL__ void cpu_systick_init(k_cycle_t cycle_per_tick);
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__KNL__ void cpu_sched_start(void);
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__KNL__ void cpu_context_switch(void);
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__KNL__ void cpu_irq_context_switch(void);
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#if TOS_CFG_TASK_STACK_DRAUGHT_DEPTH_DETACT_EN > 0u
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__KNL__ k_err_t cpu_task_stack_draught_depth(k_stack_t *stk_base, size_t stk_size, int *depth);
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#endif
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__KNL__ k_stack_t *cpu_task_stk_init(void *entry,
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void *arg,
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void *exit,
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k_stack_t *stk_base,
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size_t stk_size);
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#if TOS_CFG_TICKLESS_EN > 0u
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__KNL__ void cpu_systick_resume(void);
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__KNL__ void cpu_systick_suspend(void);
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__KNL__ void cpu_systick_reload_reset(void);
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__KNL__ void cpu_systick_pending_reset(void);
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__KNL__ k_time_t cpu_systick_max_delay_millisecond(void);
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__KNL__ void cpu_systick_expires_set(k_time_t millisecond);
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__KNL__ void cpu_systick_reset(void);
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#endif
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#if TOS_CFG_PWR_MGR_EN > 0u
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__KNL__ void cpu_sleep_mode_enter(void);
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__KNL__ void cpu_stop_mode_enter(void);
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__KNL__ void cpu_standby_mode_enter(void);
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#endif
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#if TOS_CFG_FAULT_BACKTRACE_EN > 0u
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#if defined (TOS_CFG_CPU_ARM_FPU_EN) && (TOS_CFG_CPU_ARM_FPU_EN == 1U)
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__KNL__ void cpu_flush_fpu(void);
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#endif /* TOS_CFG_CPU_ARM_FPU_EN */
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__KNL__ void cpu_fault_diagnosis(void);
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#endif
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/* Allocates CPU status register word. */
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#define TOS_CPU_CPSR_ALLOC() cpu_cpsr_t cpu_cpsr = (cpu_cpsr_t)0u
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/* Save CPU status word & disable interrupts.*/
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#define TOS_CPU_INT_DISABLE() \
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do { \
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cpu_cpsr = tos_cpu_cpsr_save(); \
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} while (0)
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/* Restore CPU status word. */
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#define TOS_CPU_INT_ENABLE() \
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do { \
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tos_cpu_cpsr_restore(cpu_cpsr); \
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} while (0)
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#endif /* _TOS_CPU_H_ */
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