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arch: arc: update the ARC port

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* add basic synopsys arc em processor support
* add basic arc nsim em virtual board support
* add basic arc mwdt toolchain support

Signed-off-by: Watson Zeng <zhiwei@synopsys.com>
This commit is contained in:
Watson Zeng
2020-03-25 17:11:52 +08:00
committed by Jingru
parent 13eaef3d46
commit 0d4593ee5e
169 changed files with 871 additions and 46371 deletions
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147
arch/arc/common/include/tos_cpu.h Normal file
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/*----------------------------------------------------------------------------
* 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 pc;
cpu_data_t blink;
cpu_data_t task;
cpu_data_t status32;
cpu_data_t r0;
} 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);
#if (TOS_CFG_CPU_HRTIMER_EN > 0u)
__API__ void tos_cpu_hrtimer_init(void);
__API__ cpu_hrtimer_t tos_cpu_hrtimer_read(void);
#endif
__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);
#if TOS_CFG_TASK_STACK_DRAUGHT_DEPTH_DETACT_EN > 0u
__KNL__ k_err_t cpu_task_stack_draught_depth(k_stack_t *stk_base, size_t stk_size, int *depth);
#endif
__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
#if defined (TOS_CFG_CPU_ARM_FPU_EN) && (TOS_CFG_CPU_ARM_FPU_EN == 1U)
__KNL__ void cpu_flush_fpu(void);
#endif /* TOS_CFG_CPU_ARM_FPU_EN */
__KNL__ void cpu_fault_diagnosis(void);
#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_ */

34
arch/arc/common/include/tos_cpu_def.h Normal file
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/*----------------------------------------------------------------------------
* 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_DEF_H_
#define _TOS_CPU_DEF_H_
enum CPU_WORD_SIZE {
CPU_WORD_SIZE_08,
CPU_WORD_SIZE_16,
CPU_WORD_SIZE_32,
CPU_WORD_SIZE_64,
};
enum CPU_STK_GROWTH {
CPU_STK_GROWTH_ASCENDING,
CPU_STK_GROWTH_DESCENDING,
};
#endif /* _TOS_CPU_DEF_H_ */

57
arch/arc/common/include/tos_cpu_types.h Normal file
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/*----------------------------------------------------------------------------
* 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_TYPES_H_
#define _TOS_CPU_TYPES_H_
/* CPU address type based on address bus size. */
#if (TOS_CFG_CPU_ADDR_SIZE == CPU_WORD_SIZE_32)
typedef uint32_t cpu_addr_t;
#elif (TOS_CFG_CPU_ADDR_SIZE == CPU_WORD_SIZE_16)
typedef uint16_t cpu_addr_t;
#else
typedef uint8_t cpu_addr_t;
#endif
/* CPU data type based on data bus size. */
#if (TOS_CFG_CPU_DATA_SIZE == CPU_WORD_SIZE_32)
typedef uint32_t cpu_data_t;
#elif (TOS_CFG_CPU_DATA_SIZE == CPU_WORD_SIZE_16)
typedef uint16_t cpu_data_t;
#else
typedef uint8_t cpu_data_t;
#endif
#if (TOS_CFG_CPU_HRTIMER_EN > 0)
#if (TOS_CFG_CPU_HRTIMER_SIZE == CPU_WORD_SIZE_08)
typedef uint8_t cpu_hrtimer_t;
#elif (TOS_CFG_CPU_HRTIMER_SIZE == CPU_WORD_SIZE_16)
typedef uint16_t cpu_hrtimer_t;
#elif (TOS_CFG_CPU_HRTIMER_SIZE == CPU_WORD_SIZE_64)
typedef uint64_t cpu_hrtimer_t;
#else
typedef uint32_t cpu_hrtimer_t;
#endif
#else
typedef uint32_t cpu_hrtimer_t;
#endif
//typedef cpu_addr_t size_t;
typedef cpu_addr_t cpu_cpsr_t;
#endif

236
arch/arc/common/include/tos_fault.h Normal file
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/*----------------------------------------------------------------------------
* 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_FAULT_H_
#define _TOS_FAULT_H_
#if TOS_CFG_FAULT_BACKTRACE_EN > 0u
typedef int (*k_fault_log_writer_t)(const char *format, ...);
#define K_FAULT_STACK_DUMP_DEPTH 10u
#define K_FAULT_CALL_STACK_BACKTRACE_DEPTH 5u
#if defined (TOS_CFG_CPU_ARM_FPU_EN) && (TOS_CFG_CPU_ARM_FPU_EN == 1U)
typedef struct fault_fpu_frame_st {
cpu_data_t s0;
cpu_data_t s1;
cpu_data_t s2;
cpu_data_t s3;
cpu_data_t s4;
cpu_data_t s5;
cpu_data_t s6;
cpu_data_t s7;
cpu_data_t s8;
cpu_data_t s9;
cpu_data_t s10;
cpu_data_t s11;
cpu_data_t s12;
cpu_data_t s13;
cpu_data_t s14;
cpu_data_t s15;
cpu_data_t fpscr;
} fault_fpu_frame_t;
#endif
typedef struct fault_cpu_frame_st {
cpu_data_t r0;
cpu_data_t r1;
cpu_data_t r2;
cpu_data_t r3;
cpu_data_t r12;
cpu_data_t lr;
cpu_data_t pc;
cpu_data_t spsr;
} fault_cpu_frame_t;
typedef struct fault_exc_frame_st {
fault_cpu_frame_t cpu_frame;
#if defined (TOS_CFG_CPU_ARM_FPU_EN) && (TOS_CFG_CPU_ARM_FPU_EN == 1U)
fault_fpu_frame_t fpu_frame;
#endif
} fault_exc_frame_t;
/**
* information we need to do fault backtrace
*/
typedef struct fault_information_st {
int is_thumb : 1; /**< whether it is thumb we use when we fall into fault? */
int is_on_task : 1; /**< whether we are on a task when fall into fault? */
int is_stk_ovrf : 1; /**< whether we get a stack overflow */
#if defined (TOS_CFG_CPU_ARM_FPU_EN) && (TOS_CFG_CPU_ARM_FPU_EN == 1U)
int is_ext_stk_frm : 1; /**< whether it is a extended stack frame?(whether the cpu has pushed fpu registers onto the stack) */
#endif
cpu_addr_t pc; /**< just where fault happens */
cpu_addr_t sp_before_fault; /**< original sp just before the cpu push the fault exception frame */
/**
* we need main_stack_start & main_stack_limit to do call stack backtrace
* when we fall into fault during a task, we should do the call stack backtrace on the task's stack
* but if not, which means we are in kernel, we should do the call stack backtrace on the main stack
* in arm v7-m, this should be the MSP's start and limit
* in arm v7-a, call stack backtrace is another story(much more elegant because we have FP).
*/
cpu_addr_t stack_start; /**< current sp start address we use. if on task, it'll be the task's stack, otherwise it'll be the msp */
cpu_addr_t stack_limit; /**< current sp limit address */
cpu_addr_t code_start; /**< current code start address */
cpu_addr_t code_limit; /**< current code limit address */
} fault_info_t;
#if defined(__CC_ARM) || (defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050))
#define DEFAULT_CODE_SECTION_NAME ER_IROM1
#define DEFAULT_CSTACK_SECTION_NAME STACK
#define SECTION_START(_name_) _name_##$$Base
#define SECTION_END(_name_) _name_##$$Limit
#define IMAGE_SECTION_START(_name_) Image$$##_name_##$$Base
#define IMAGE_SECTION_END(_name_) Image$$##_name_##$$Limit
#define CSTACK_BLOCK_START(_name_) SECTION_START(_name_)
#define CSTACK_BLOCK_END(_name_) SECTION_END(_name_)
#define CODE_SECTION_START(_name_) IMAGE_SECTION_START(_name_)
#define CODE_SECTION_END(_name_) IMAGE_SECTION_END(_name_)
extern const int CSTACK_BLOCK_START(DEFAULT_CSTACK_SECTION_NAME);
extern const int CSTACK_BLOCK_END(DEFAULT_CSTACK_SECTION_NAME);
extern const int CODE_SECTION_START(DEFAULT_CODE_SECTION_NAME);
extern const int CODE_SECTION_END(DEFAULT_CODE_SECTION_NAME);
__STATIC_INLINE__ cpu_addr_t fault_code_start(void)
{
return (cpu_addr_t)&CODE_SECTION_START(DEFAULT_CODE_SECTION_NAME);
}
__STATIC_INLINE__ cpu_addr_t fault_code_limit(void)
{
return (cpu_addr_t)&CODE_SECTION_END(DEFAULT_CODE_SECTION_NAME);
}
__STATIC_INLINE__ cpu_addr_t fault_msp_start(void)
{
return (cpu_addr_t)&CSTACK_BLOCK_START(DEFAULT_CSTACK_SECTION_NAME);
}
__STATIC_INLINE__ cpu_addr_t fault_msp_limit(void)
{
return (cpu_addr_t)&CSTACK_BLOCK_END(DEFAULT_CSTACK_SECTION_NAME);
}
#elif defined(__ICCARM__)
#define DEFAULT_CODE_SECTION_NAME ".text"
#define DEFAULT_CSTACK_SECTION_NAME "CSTACK"
#pragma section=DEFAULT_CSTACK_SECTION_NAME
#pragma section=DEFAULT_CODE_SECTION_NAME
__STATIC_INLINE__ cpu_addr_t fault_code_start(void)
{
return (cpu_addr_t)__section_begin(DEFAULT_CODE_SECTION_NAME);
}
__STATIC_INLINE__ cpu_addr_t fault_code_limit(void)
{
return (cpu_addr_t)__section_end(DEFAULT_CODE_SECTION_NAME);
}
__STATIC_INLINE__ cpu_addr_t fault_msp_start(void)
{
return (cpu_addr_t)__section_begin(DEFAULT_CSTACK_SECTION_NAME);
}
__STATIC_INLINE__ cpu_addr_t fault_msp_limit(void)
{
return (cpu_addr_t)__section_end(DEFAULT_CSTACK_SECTION_NAME);
}
#elif defined(__GNUC__)
/**
* if we are using keil(armcc) or mdk(iccarm), we probably use the defult link script supplied by the IDE.
* the way to locate the text/stack section start and limit is to find them in default link script.
* but if we build our project by makefile(or something like scons, cmake, etc), we probably need to write
* our own link scrpit, if so, we should do like this(just a demo):
*
_stext = .;
.text : {
*(.text.startup)
*(.text)
*(.text.*)
}
_etext = .;
__bss_start = .;
.bss : {
*(.bss)
*(.bss.*)
*(COMMON)
_sstack = .;
*(.cstack)
_estack = .;
}
__bss_end = .;
* by this, we can locate text/stack section start and limit by _stext/_etext and _sstack/_estack
*/
#define DEFAULT_CODE_SECTION_START _stext
#define DEFAULT_CODE_SECTION_END _etext
#define DEFAULT_CSTACK_SECTION_START _sstack
#define DEFAULT_CSTACK_SECTION_END _estack
extern const int DEFAULT_CODE_SECTION_START;
extern const int DEFAULT_CODE_SECTION_END;
extern const int DEFAULT_CSTACK_SECTION_START;
extern const int DEFAULT_CSTACK_SECTION_END;
__STATIC_INLINE__ cpu_addr_t fault_code_start(void)
{
return (cpu_addr_t)(&(DEFAULT_CODE_SECTION_START));
}
__STATIC_INLINE__ cpu_addr_t fault_code_limit(void)
{
return (cpu_addr_t)(&(DEFAULT_CODE_SECTION_END));
}
__STATIC_INLINE__ cpu_addr_t fault_msp_start(void)
{
return (cpu_addr_t)(&(DEFAULT_CSTACK_SECTION_START));
}
__STATIC_INLINE__ cpu_addr_t fault_msp_limit(void)
{
return (cpu_addr_t)(&(DEFAULT_CSTACK_SECTION_END));
}
#endif
__API__ void tos_fault_log_writer_set(k_fault_log_writer_t log_writer);
__KERNEL__ int fault_default_log_writer(const char *format, ...);
__KERNEL__ void fault_backtrace(cpu_addr_t lr, fault_exc_frame_t *frame);
#endif
#endif /* _TOS_FAULT_H_ */