137 lines
4.2 KiB
C
137 lines
4.2 KiB
C
/*----------------------------------------------------------------------------
|
|
* Tencent is pleased to support the open source community by making TencentOS
|
|
* available.
|
|
*
|
|
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
|
|
* If you have downloaded a copy of the TencentOS binary from Tencent, please
|
|
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
|
|
*
|
|
* If you have downloaded a copy of the TencentOS source code from Tencent,
|
|
* please note that TencentOS source code is licensed under the BSD 3-Clause
|
|
* License, except for the third-party components listed below which are
|
|
* subject to different license terms. Your integration of TencentOS into your
|
|
* own projects may require compliance with the BSD 3-Clause License, as well
|
|
* as the other licenses applicable to the third-party components included
|
|
* within TencentOS.
|
|
*---------------------------------------------------------------------------*/
|
|
|
|
#ifndef _TOS_CPU_H_
|
|
#define _TOS_CPU_H_
|
|
|
|
typedef struct cpu_context_st {
|
|
cpu_data_t mepc;
|
|
cpu_data_t mstatus;
|
|
union { cpu_data_t x1, ra; };
|
|
union { cpu_data_t x3, gp; };
|
|
union { cpu_data_t x4, tp; };
|
|
union { cpu_data_t x5, t0; };
|
|
union { cpu_data_t x6, t1; };
|
|
union { cpu_data_t x7, t2; };
|
|
union { cpu_data_t x8, s0, fp; };
|
|
union { cpu_data_t x9, s1; };
|
|
union { cpu_data_t x10, a0; };
|
|
union { cpu_data_t x11, a1; };
|
|
union { cpu_data_t x12, a2; };
|
|
union { cpu_data_t x13, a3; };
|
|
union { cpu_data_t x14, a4; };
|
|
union { cpu_data_t x15, a5; };
|
|
union { cpu_data_t x16, a6; };
|
|
union { cpu_data_t x17, a7; };
|
|
union { cpu_data_t x18, s2; };
|
|
union { cpu_data_t x19, s3; };
|
|
union { cpu_data_t x20, s4; };
|
|
union { cpu_data_t x21, s5; };
|
|
union { cpu_data_t x22, s6; };
|
|
union { cpu_data_t x23, s7; };
|
|
union { cpu_data_t x24, s8; };
|
|
union { cpu_data_t x25, s9; };
|
|
union { cpu_data_t x26, s10; };
|
|
union { cpu_data_t x27, s11; };
|
|
union { cpu_data_t x28, t3; };
|
|
union { cpu_data_t x29, t4; };
|
|
union { cpu_data_t x30, t5; };
|
|
union { cpu_data_t x31, t6; };
|
|
} cpu_context_t;
|
|
|
|
|
|
__API__ uint32_t tos_cpu_clz(uint32_t val);
|
|
|
|
__API__ void tos_cpu_int_disable(void);
|
|
|
|
__API__ void tos_cpu_int_enable(void);
|
|
|
|
__API__ cpu_cpsr_t tos_cpu_cpsr_save(void);
|
|
|
|
__API__ void tos_cpu_cpsr_restore(cpu_cpsr_t cpsr);
|
|
|
|
|
|
__KNL__ void cpu_init(void);
|
|
|
|
__KNL__ void cpu_reset(void);
|
|
|
|
__KNL__ void cpu_systick_init(k_cycle_t cycle_per_tick);
|
|
|
|
__KNL__ void cpu_sched_start(void);
|
|
|
|
__KNL__ void cpu_context_switch(void);
|
|
|
|
__KNL__ void cpu_irq_context_switch(void);
|
|
|
|
__KNL__ k_stack_t *cpu_task_stk_init(void *entry,
|
|
void *arg,
|
|
void *exit,
|
|
k_stack_t *stk_base,
|
|
size_t stk_size);
|
|
|
|
#if TOS_CFG_TICKLESS_EN > 0u
|
|
|
|
__KNL__ void cpu_systick_resume(void);
|
|
|
|
__KNL__ void cpu_systick_suspend(void);
|
|
|
|
__KNL__ void cpu_systick_reload_reset(void);
|
|
|
|
__KNL__ void cpu_systick_pending_reset(void);
|
|
|
|
__KNL__ k_time_t cpu_systick_max_delay_millisecond(void);
|
|
|
|
__KNL__ void cpu_systick_expires_set(k_time_t millisecond);
|
|
|
|
__KNL__ void cpu_systick_reset(void);
|
|
|
|
#endif
|
|
|
|
#if TOS_CFG_PWR_MGR_EN > 0u
|
|
|
|
__KNL__ void cpu_sleep_mode_enter(void);
|
|
|
|
__KNL__ void cpu_stop_mode_enter(void);
|
|
|
|
__KNL__ void cpu_standby_mode_enter(void);
|
|
|
|
#endif
|
|
|
|
#if TOS_CFG_FAULT_BACKTRACE_EN > 0u
|
|
|
|
#error "unsupport now"
|
|
|
|
#endif
|
|
|
|
/* Allocates CPU status register word. */
|
|
#define TOS_CPU_CPSR_ALLOC() cpu_cpsr_t cpu_cpsr = (cpu_cpsr_t)0u
|
|
|
|
/* Save CPU status word & disable interrupts.*/
|
|
#define TOS_CPU_INT_DISABLE() \
|
|
do { \
|
|
cpu_cpsr = tos_cpu_cpsr_save(); \
|
|
} while (0)
|
|
|
|
/* Restore CPU status word. */
|
|
#define TOS_CPU_INT_ENABLE() \
|
|
do { \
|
|
tos_cpu_cpsr_restore(cpu_cpsr); \
|
|
} while (0)
|
|
|
|
|
|
#endif /* _TOS_CPU_H_ */
|