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support avr architecture based on ATMega32

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1. IAR project, see TencentOS-tiny\board\ATMega32\IAR, both 4.12 and 7.20 is supplied.
This commit is contained in:
daishengdong
2020-03-03 18:27:24 +08:00
parent e3da94194e
commit 7e6ce005e6
56 changed files with 13225 additions and 244 deletions
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0
arch/stm8/iccarm/port.h → arch/avr/ATMega32/iccavr/port.h
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0
arch/stm8/iccarm/port_c.c → arch/avr/ATMega32/iccavr/port_c.c
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0
arch/stm8/iccarm/port_config.h → arch/avr/ATMega32/iccavr/port_config.h
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157
arch/avr/ATMega32/iccavr/port_s.asm Normal file
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#include <iom32.h>
RSEG CODE
EXTERN k_curr_task
EXTERN k_next_task
PUBLIC port_int_disable
PUBLIC port_int_enable
PUBLIC port_cpsr_save
PUBLIC port_cpsr_restore
PUBLIC port_sched_start
PUBLIC port_irq_context_switch
PUBLIC port_context_switch
port_int_disable:
CLI
RET
port_int_enable:
SEI
RET
port_cpsr_save:
IN R16, SREG
CLI
RET
port_cpsr_restore:
OUT SREG, R16
RET
port_sched_start:
JMP _context_restore
port_irq_context_switch:
port_context_switch:
_context_save:
PUSH R0
/* save SREG */
IN R0, SREG
CLI
PUSH R0
PUSH R1
PUSH R2
PUSH R3
PUSH R4
PUSH R5
PUSH R6
PUSH R7
PUSH R8
PUSH R9
PUSH R10
PUSH R11
PUSH R12
PUSH R13
PUSH R14
PUSH R15
PUSH R16
PUSH R17
PUSH R18
PUSH R19
PUSH R20
PUSH R21
PUSH R22
PUSH R23
PUSH R24
PUSH R25
PUSH R26
PUSH R27
PUSH R28
PUSH R29
PUSH R30
PUSH R31
/* k_curr_task->sp = SP */
LDS R30, k_curr_task
LDS R31, k_curr_task + 1
IN R0, SPL
IN R1, SPH
ST Z, R0
STD Z + 1, R1
_context_restore:
/* k_curr_task = k_next_task */
LDI R28, low(k_curr_task)
LDI R29, high(k_curr_task)
LDI R30, low(k_next_task)
LDI R31, high(k_next_task)
LD R0, Z
LDD R1, Z + 1
ST Y, R0
STD Y + 1, R1
/* SP = k_next_task->sp */
LDS R30, k_next_task
LDS R31, k_next_task + 1
LD R0, Z
LDD R1, Z + 1
OUT SPL, R0
OUT SPH, R1
/* do restore */
POP R31
POP R30
POP R29
POP R28
POP R27
POP R26
POP R25
POP R24
POP R23
POP R22
POP R21
POP R20
POP R19
POP R18
POP R17
POP R16
POP R15
POP R14
POP R13
POP R12
POP R11
POP R10
POP R9
POP R8
POP R7
POP R6
POP R5
POP R4
POP R3
POP R2
POP R1
POP R0
OUT SREG, R0
POP R0
RET
END

155
arch/avr/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 R31;
cpu_data_t R30;
cpu_data_t R29;
cpu_data_t R28;
cpu_data_t R27;
cpu_data_t R26;
cpu_data_t R25;
cpu_data_t R24;
cpu_data_t R23;
cpu_data_t R22;
cpu_data_t R21;
cpu_data_t R20;
cpu_data_t R19;
cpu_data_t R18;
cpu_data_t R17;
cpu_data_t R16;
cpu_data_t R15;
cpu_data_t R14;
cpu_data_t R13;
cpu_data_t R12;
cpu_data_t R11;
cpu_data_t R10;
cpu_data_t R9;
cpu_data_t R8;
cpu_data_t R7;
cpu_data_t R6;
cpu_data_t R5;
cpu_data_t R4;
cpu_data_t R3;
cpu_data_t R2;
cpu_data_t R1;
cpu_data_t SREG;
cpu_data_t R0;
cpu_data_t PCH;
cpu_data_t PCL;
cpu_data_t LRH;
cpu_data_t LRL;
} 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
__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_ */

30
arch/avr/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_
#define CPU_WORD_SIZE_08 1
#define CPU_WORD_SIZE_16 2
#define CPU_WORD_SIZE_32 3
#define CPU_WORD_SIZE_64 4
#define CPU_STK_GROWTH_ASCENDING 1
#define CPU_STK_GROWTH_DESCENDING 2
#endif /* _TOS_CPU_DEF_H_ */

56
arch/avr/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 cpu_cpsr_t;
#endif

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arch/avr/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
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;
} 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 */
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);
__KNL__ int fault_default_log_writer(const char *format, ...);
__KNL__ void fault_backtrace(cpu_addr_t lr, fault_exc_frame_t *frame);
#endif
#endif /* _TOS_FAULT_H_ */

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arch/avr/common/tos_cpu.c 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.
*---------------------------------------------------------------------------*/
#include "tos_k.h"
__API__ uint32_t tos_cpu_clz(uint32_t val)
{
#if defined(TOS_CFG_CPU_LEAD_ZEROS_ASM_PRESENT) && (TOS_CFG_CPU_LEAD_ZEROS_ASM_PRESENT == 0u)
uint32_t nbr_lead_zeros = 0;
if (!(val & 0XFFFF0000)) {
val <<= 16;
nbr_lead_zeros += 16;
}
if (!(val & 0XFF000000)) {
val <<= 8;
nbr_lead_zeros += 8;
}
if (!(val & 0XF0000000)) {
val <<= 4;
nbr_lead_zeros += 4;
}
if (!(val & 0XC0000000)) {
val <<= 2;
nbr_lead_zeros += 2;
}
if (!(val & 0X80000000)) {
nbr_lead_zeros += 1;
}
if (!val) {
nbr_lead_zeros += 1;
}
return (nbr_lead_zeros);
#else
return port_clz(val);
#endif
}
__API__ void tos_cpu_int_disable(void)
{
port_int_disable();
}
__API__ void tos_cpu_int_enable(void)
{
port_int_enable();
}
__API__ cpu_cpsr_t tos_cpu_cpsr_save(void)
{
return port_cpsr_save();
}
__API__ void tos_cpu_cpsr_restore(cpu_cpsr_t cpsr)
{
port_cpsr_restore(cpsr);
}
__KNL__ void cpu_init(void)
{
k_cpu_cycle_per_tick = TOS_CFG_CPU_CLOCK / k_cpu_tick_per_second;
cpu_systick_init(k_cpu_cycle_per_tick);
#if (TOS_CFG_CPU_HRTIMER_EN > 0)
tos_cpu_hrtimer_init();
#endif
}
__KNL__ void cpu_reset(void)
{
port_cpu_reset();
}
__KNL__ void cpu_sched_start(void)
{
port_sched_start();
}
__KNL__ void cpu_context_switch(void)
{
port_context_switch();
}
__KNL__ void cpu_irq_context_switch(void)
{
port_irq_context_switch();
}
__KNL__ void cpu_systick_init(k_cycle_t cycle_per_tick)
{
#if 0
port_systick_priority_set(TOS_CFG_CPU_SYSTICK_PRIO);
port_systick_config(cycle_per_tick);
#endif
}
#if TOS_CFG_TICKLESS_EN > 0u
/**
* @brief Set value to systick reload value register
*
* @param cycles The value set to register
*
* @return None
*/
__STATIC_INLINE__ void cpu_systick_reload(k_cycle_t cycle_per_tick)
{
port_systick_reload(cycle_per_tick);
}
/**
* @brief Enable systick interrupt
*
* @return None
*/
__KNL__ void cpu_systick_resume(void)
{
port_systick_resume();
}
/**
* @brief Disable systick interrupt
*
* @return None
*/
__KNL__ void cpu_systick_suspend(void)
{
port_systick_suspend();
}
__KNL__ k_time_t cpu_systick_max_delay_millisecond(void)
{
return port_systick_max_delay_millisecond();
}
__KNL__ void cpu_systick_expires_set(k_time_t millisecond)
{
k_cycle_t cycles;
cycles = (k_cycle_t)((uint64_t)millisecond * TOS_CFG_CPU_CLOCK / K_TIME_MILLISEC_PER_SEC); /* CLOCK means cycle per second */
cpu_systick_reload(cycles - 12); /* interrupt delay */
}
__KNL__ void cpu_systick_pending_reset(void)
{
port_systick_pending_reset();
}
__KNL__ void cpu_systick_reset(void)
{
cpu_systick_reload(k_cpu_cycle_per_tick);
}
#endif /* TOS_CFG_TICKLESS_EN */
#if TOS_CFG_PWR_MGR_EN > 0u
__KNL__ void cpu_sleep_mode_enter(void)
{
port_sleep_mode_enter();
}
__KNL__ void cpu_stop_mode_enter(void)
{
port_stop_mode_enter();
}
__KNL__ void cpu_standby_mode_enter(void)
{
port_standby_mode_enter();
}
#endif /* TOS_CFG_PWR_MGR_EN */
__KNL__ k_stack_t *cpu_task_stk_init(void *entry,
void *arg,
void *exit,
k_stack_t *stk_base,
size_t stk_size)
{
cpu_data_t *sp;
sp = (cpu_data_t *)&stk_base[stk_size];
#if TOS_CFG_TASK_STACK_DRAUGHT_DEPTH_DETACT_EN > 0u
uint8_t *slot = (uint8_t *)&stk_base[0];
for (; slot < (uint8_t *)sp; ++slot) {
*slot = 0xCC;
}
#endif
*--sp = (cpu_data_t)((uint16_t)exit & 0xFF); /* LRL */
*--sp = (cpu_data_t)(((uint16_t)exit >> 8) & 0xFF); /* LRH */
*--sp = (cpu_data_t)((uint16_t)entry & 0xFF); /* PCL */
*--sp = (cpu_data_t)(((uint16_t)entry >> 8) & 0xFF); /* PCH */
*--sp = 0x00; /* R0 */
/* SREG:
---------------------------------
| I | T | H | S | V | N | Z | C |
|--------------------------------
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
---------------------------------
*/
*--sp = 0x80; /* SREG */
*--sp = 0x01; /* R1 */
*--sp = 0x02; /* R2 */
*--sp = 0x03; /* R3 */
*--sp = 0x04; /* R4 */
*--sp = 0x05; /* R5 */
*--sp = 0x06; /* R6 */
*--sp = 0x07; /* R7 */
*--sp = 0x08; /* R8 */
*--sp = 0x09; /* R9 */
*--sp = 0x10; /* R10 */
*--sp = 0x11; /* R11 */
*--sp = 0x12; /* R12 */
*--sp = 0x13; /* R13 */
*--sp = 0x14; /* R14 */
*--sp = 0x15; /* R15 */
*--sp = 0x16; /* R16 */
*--sp = 0x17; /* R17 */
*--sp = 0x18; /* R18 */
*--sp = 0x19; /* R19 */
*--sp = 0x20; /* R20 */
*--sp = 0x21; /* R21 */
*--sp = 0x22; /* R22 */
*--sp = 0x23; /* R23 */
*--sp = (cpu_data_t)((uint16_t)arg & 0xFF); /* R24 */
*--sp = (cpu_data_t)(((uint16_t)arg >> 8) & 0xFF); /* R25 */
*--sp = 0x26; /* R26 X */
*--sp = 0x27; /* R27 */
*--sp = 0x28; /* R28 Y */
*--sp = 0x29; /* R29 */
*--sp = 0x30; /* R30 Z */
*--sp = 0x31; /* R31 */
/* ATTENTION:
must do a sp decrease here in AVR
*/
return (k_stack_t *)(--sp);
}
#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)
{
uint8_t *slot;
uint8_t *sp, *bp;
int the_depth = 0;
bp = (uint8_t *)&stk_base[0];
sp = &stk_base[stk_size];
for (slot = sp - 1; slot >= bp; --slot) {
if (*slot != 0xCC) {
the_depth = sp - slot;
}
}
*depth = the_depth;
if (the_depth == stk_size) {
return K_ERR_TASK_STK_OVERFLOW;
}
return K_ERR_NONE;
}
#endif
#if TOS_CFG_FAULT_BACKTRACE_EN > 0u
__KNL__ void cpu_fault_diagnosis(void)
{
port_fault_diagnosis();
}
#endif /* TOS_CFG_FAULT_BACKTRACE_EN */

205
arch/avr/common/tos_fault.c Normal file
View File

@@ -0,0 +1,205 @@
/*----------------------------------------------------------------------------
* 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.
*---------------------------------------------------------------------------*/
#include "tos_k.h"
#if TOS_CFG_FAULT_BACKTRACE_EN > 0u
__STATIC_INLINE__ void fault_spin(void)
{
tos_knl_sched_lock();
tos_cpu_int_disable();
while (K_TRUE) {
;
}
}
/* EXC_RETURN:
31 - 28 : EXC_RETURN flag
27 - 5 : reserved
4 : 1, basic stack frame; 0, extended stack frame
3 : 1, return to Thread mode; 0, return to Handler mode
2 : 1, return to PSP; 0, return to MSP
1 : reserved, 0
0 : reserved, 1
*/
__STATIC_INLINE__ int fault_is_on_task(cpu_data_t lr)
{
return (lr & (1u << 2)) != 0;
}
__STATIC_INLINE__ int fault_is_thumb(cpu_data_t psr)
{
return (psr & (1u << 24)) != 0;
}
__STATIC_INLINE__ int fault_is_code(fault_info_t *info, cpu_data_t value)
{
return value >= info->code_start && value <= info->code_limit;
}
__STATIC__ void fault_dump_cpu_frame(fault_cpu_frame_t *cpu_frame)
{
k_fault_log_writer("\n\n====================== CPU Registers =======================\n");
k_fault_log_writer(" %s: %08x %s: %08x %s: %08x %s: %08x\n",
"R0 ", cpu_frame->r0,
"R1 ", cpu_frame->r1,
"R2 ", cpu_frame->r2,
"R3 ", cpu_frame->r3);
k_fault_log_writer(" %s: %08x %s: %08x %s: %08x %s: %08x\n",
"R12", cpu_frame->r12,
"LR ", cpu_frame->lr,
"PC ", cpu_frame->pc,
"PSR", cpu_frame->spsr);
}
__STATIC__ void fault_dump_stack(fault_info_t *info, size_t depth)
{
cpu_addr_t sp = info->sp_before_fault;;
k_fault_log_writer("\nTASK STACK DUMP:\n");
while (sp <= info->stack_limit && depth--) {
k_fault_log_writer(" addr: %08x data: %08x\n", sp, (cpu_data_t)*(cpu_data_t *)sp);
sp += sizeof(cpu_addr_t);
}
}
__STATIC__ void fault_call_stack_backtrace(fault_info_t *info, size_t depth)
{
cpu_data_t value;
cpu_addr_t sp = info->sp_before_fault;
if (info->is_stk_ovrf) {
return;
}
k_fault_log_writer("\n\n====================== Dump Call Stack =====================\n");
k_fault_log_writer(" %x\n", info->pc);
/* walk through the stack, check every content on stack whether is a instruction(code) */
for (; sp < info->stack_limit && depth; sp += sizeof(cpu_addr_t)) {
value = *((cpu_addr_t *)sp) - sizeof(cpu_addr_t);
/* if thumb, a instruction's first bit must be 1 */
if (info->is_thumb && !(value & 1)) {
continue;
}
if (fault_is_code(info, value)) {
k_fault_log_writer(" %x\n", value);
--depth;
}
}
}
__STATIC__ void fault_dump_task(fault_info_t *info)
{
k_task_t *task;
if (!info->is_on_task) {
return;
}
task = k_curr_task;
k_fault_log_writer("\n\n====================== Fault on task =======================\n");
k_fault_log_writer(" TASK NAME: %s\n", task->name);
k_fault_log_writer(" STK BASE: %x\n", info->stack_start);
k_fault_log_writer(" STK SIZE: %x\n", task->stk_size * sizeof(k_stack_t));
k_fault_log_writer(" STK LIMIT: %x\n", info->stack_limit);
if (!info->is_stk_ovrf) {
fault_dump_stack(info, K_FAULT_STACK_DUMP_DEPTH);
}
}
__STATIC__ void fault_dump_information(fault_info_t *info)
{
k_fault_log_writer("\n\n================== Dump Fault Information ==================\n");
k_fault_log_writer(" THUMB: %s\n", info->is_thumb ? "TRUE" : "FALSE");
k_fault_log_writer(" ON TASK: %s\n", info->is_on_task? "TRUE" : "FALSE");
k_fault_log_writer(" STK OVRF: %s\n", info->is_stk_ovrf? "TRUE" : "FALSE");
k_fault_log_writer(" PC: %08x\n", info->pc);
k_fault_log_writer(" SP: %08x\n", info->sp_before_fault);
k_fault_log_writer(" STK START: %08x\n", info->stack_start);
k_fault_log_writer(" STK LIMIT: %08x\n", info->stack_limit);
k_fault_log_writer(" COD START: %08x\n", info->code_start);
k_fault_log_writer(" COD LIMIT: %08x\n", info->code_limit);
}
__STATIC__ void fault_gather_information(cpu_data_t lr, fault_exc_frame_t *frame, fault_info_t *info)
{
info->is_thumb = fault_is_thumb(frame->cpu_frame.spsr);
info->is_on_task = fault_is_on_task(lr);
info->pc = frame->cpu_frame.pc;
info->sp_before_fault = (cpu_addr_t)frame + sizeof(fault_cpu_frame_t);
info->code_start = fault_code_start();
info->code_limit = fault_code_limit();
if (info->is_on_task) {
info->stack_start = (cpu_addr_t)k_curr_task->stk_base;
info->stack_limit = info->stack_start + k_curr_task->stk_size * sizeof(k_task_t);
} else {
info->stack_start = fault_msp_start();
info->stack_limit = fault_msp_limit();
}
info->is_stk_ovrf = (info->sp_before_fault < info->stack_start || info->sp_before_fault > info->stack_limit);
}
__KNL__ int fault_default_log_writer(const char *format, ...)
{
int len;
va_list ap;
va_start(ap, format);
len = vprintf(format, ap);
va_end(ap);
return len;
}
__API__ void tos_fault_log_writer_set(k_fault_log_writer_t log_writer)
{
k_fault_log_writer = log_writer;
}
__KNL__ void fault_backtrace(cpu_addr_t lr, fault_exc_frame_t *frame)
{
fault_info_t info;
fault_gather_information(lr, frame, &info);
fault_dump_information(&info);
fault_dump_task(&info);
fault_dump_cpu_frame(&frame->cpu_frame);
fault_call_stack_backtrace(&info, K_FAULT_CALL_STACK_BACKTRACE_DEPTH);
cpu_fault_diagnosis();
fault_spin();
}
#endif

70
arch/stm8/iccstm8/port.h Normal file
View File

@@ -0,0 +1,70 @@
/*----------------------------------------------------------------------------
* 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 _PORT_H_
#define _PORT_H_
#if defined(TOS_CFG_CPU_LEAD_ZEROS_ASM_PRESENT) && (TOS_CFG_CPU_LEAD_ZEROS_ASM_PRESENT == 1u)
__PORT__ uint32_t port_clz(uint32_t val);
#endif
__PORT__ void port_int_disable(void);
__PORT__ void port_int_enable(void);
__PORT__ cpu_cpsr_t port_cpsr_save(void);
__PORT__ void port_cpsr_restore(cpu_cpsr_t cpsr);
__PORT__ void port_cpu_reset(void);
__PORT__ void port_sched_start(void) __NO_RETURN__;
__PORT__ void port_context_switch(void);
__PORT__ void port_irq_context_switch(void);
__PORT__ void port_systick_config(uint32_t cycle_per_tick);
__PORT__ void port_systick_priority_set(uint32_t prio);
#if TOS_CFG_TICKLESS_EN > 0u
__PORT__ void port_systick_resume(void);
__PORT__ void port_systick_suspend(void);
__PORT__ void port_systick_reload(uint32_t cycle_per_tick);
__PORT__ void port_systick_pending_reset(void);
__PORT__ k_time_t port_systick_max_delay_millisecond(void);
#endif
#if TOS_CFG_PWR_MGR_EN > 0u
__PORT__ void port_sleep_mode_enter(void);
__PORT__ void port_stop_mode_enter(void);
__PORT__ void port_standby_mode_enter(void);
#endif
#endif /* _PORT_H_ */

296
arch/stm8/iccstm8/port_c.c Normal file
View File

@@ -0,0 +1,296 @@
/*----------------------------------------------------------------------------
* 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.
*---------------------------------------------------------------------------*/
/*
* The MIT License (MIT)
*
* Copyright (c) 2016-2018 Armink (armink.ztl@gmail.com)
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* 'Software'), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "tos_k.h"
__PORT__ void port_cpu_reset(void)
{
#if 0
NVIC_SystemReset();
#endif
}
__PORT__ void port_systick_config(uint32_t cycle_per_tick)
{
#if 0
(void)SysTick_Config(cycle_per_tick);
#endif
}
__PORT__ void port_systick_priority_set(uint32_t prio)
{
#if 0
NVIC_SetPriority(SysTick_IRQn, prio);
#endif
}
#if TOS_CFG_TICKLESS_EN > 0u
__PORT__ k_time_t port_systick_max_delay_millisecond(void)
{
k_time_t max_millisecond;
uint32_t max_cycle;
max_cycle = SysTick_LOAD_RELOAD_Msk; // 24 bit
max_millisecond = (k_time_t)((uint64_t)max_cycle * K_TIME_MILLISEC_PER_SEC / TOS_CFG_CPU_CLOCK); // CLOCK: cycle per second
return max_millisecond;
}
__PORT__ void port_systick_resume(void)
{
SysTick->CTRL |= SysTick_CTRL_TICKINT_Msk;
SysTick->CTRL |= SysTick_CTRL_ENABLE_Msk;
}
__PORT__ void port_systick_suspend(void)
{
SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
SysTick->CTRL &= ~SysTick_CTRL_TICKINT_Msk;
}
__PORT__ k_cycle_t port_systick_max_reload_cycle(void)
{
return SysTick_LOAD_RELOAD_Msk;
}
__PORT__ void port_systick_reload(uint32_t cycle_per_tick)
{
uint32_t max_cycle;
max_cycle = SysTick_LOAD_RELOAD_Msk; // 24 bit
if (max_cycle - SysTick->VAL > cycle_per_tick - 1u) {
SysTick->LOAD = max_cycle;
} else {
SysTick->LOAD = (cycle_per_tick - 1u) + SysTick->VAL;
}
SysTick->VAL = 0;
}
__PORT__ void port_systick_pending_reset(void)
{
SCB->ICSR |= SCB_ICSR_PENDSTCLR_Msk;
}
#endif
#if TOS_CFG_PWR_MGR_EN > 0u
__PORT__ void port_sleep_mode_enter(void)
{
#if 1
HAL_PWR_EnterSLEEPMode(PWR_LOWPOWERREGULATOR_ON, PWR_SLEEPENTRY_WFI);
#else
HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
#endif
}
__PORT__ void port_stop_mode_enter(void)
{
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
}
__PORT__ void port_standby_mode_enter(void)
{
HAL_PWR_EnterSTANDBYMode();
}
#endif
#if TOS_CFG_FAULT_BACKTRACE_EN > 0u
__STATIC__ void port_fault_do_diagnosis(port_fault_regs_t *regs)
{
k_fault_log_writer("\n\n====================== Fault Diagnosis =====================\n");
if (regs->hfsr.bits.VECTBL) {
k_fault_log_writer(fault_msg[FAULT_INFO_HFSR_VECTBL]);
}
if (regs->hfsr.bits.FORCED) {
/* Memory Management Fault */
if (regs->cfsr.part.mfsr.value) {
if (regs->cfsr.part.mfsr.bits.IACCVIOL) {
k_fault_log_writer(fault_msg[FAULT_INFO_MFSR_IACCVIOL]);
}
if (regs->cfsr.part.mfsr.bits.DACCVIOL) {
k_fault_log_writer(fault_msg[FAULT_INFO_MFSR_DACCVIOL]);
}
if (regs->cfsr.part.mfsr.bits.MUNSTKERR) {
k_fault_log_writer(fault_msg[FAULT_INFO_MFSR_MUNSTKERR]);
}
if (regs->cfsr.part.mfsr.bits.MSTKERR) {
k_fault_log_writer(fault_msg[FAULT_INFO_MFSR_MSTKERR]);
}
if (regs->cfsr.part.mfsr.bits.MLSPERR) {
k_fault_log_writer(fault_msg[FAULT_INFO_MFSR_MLSPERR]);
}
if (regs->cfsr.part.mfsr.bits.MMARVALID) {
if (regs->cfsr.part.mfsr.bits.IACCVIOL || regs->cfsr.part.mfsr.bits.DACCVIOL) {
k_fault_log_writer(fault_msg[FAULT_INFO_MMAR], regs->mmar);
}
}
}
/* Bus Fault */
if (regs->cfsr.part.bfsr.value) {
if (regs->cfsr.part.bfsr.bits.IBUSERR) {
k_fault_log_writer(fault_msg[FAULT_INFO_BFSR_IBUSERR]);
}
if (regs->cfsr.part.bfsr.bits.PRECISERR) {
k_fault_log_writer(fault_msg[FAULT_INFO_BFSR_PRECISERR]);
}
if (regs->cfsr.part.bfsr.bits.IMPREISERR) {
k_fault_log_writer(fault_msg[FAULT_INFO_BFSR_IMPREISERR]);
}
if (regs->cfsr.part.bfsr.bits.UNSTKERR) {
k_fault_log_writer(fault_msg[FAULT_INFO_BFSR_UNSTKERR]);
}
if (regs->cfsr.part.bfsr.bits.STKERR) {
k_fault_log_writer(fault_msg[FAULT_INFO_BFSR_STKERR]);
}
if (regs->cfsr.part.bfsr.bits.LSPERR) {
k_fault_log_writer(fault_msg[FAULT_INFO_BFSR_LSPERR]);
}
if (regs->cfsr.part.bfsr.bits.BFARVALID) {
if (regs->cfsr.part.bfsr.bits.PRECISERR) {
k_fault_log_writer(fault_msg[FAULT_INFO_BFAR], regs->bfar);
}
}
}
/* Usage Fault */
if (regs->cfsr.part.ufsr.value) {
if (regs->cfsr.part.ufsr.bits.UNDEFINSTR) {
k_fault_log_writer(fault_msg[FAULT_INFO_UFSR_UNDEFINSTR]);
}
if (regs->cfsr.part.ufsr.bits.INVSTATE) {
k_fault_log_writer(fault_msg[FAULT_INFO_UFSR_INVSTATE]);
}
if (regs->cfsr.part.ufsr.bits.INVPC) {
k_fault_log_writer(fault_msg[FAULT_INFO_UFSR_INVPC]);
}
if (regs->cfsr.part.ufsr.bits.NOCP) {
k_fault_log_writer(fault_msg[FAULT_INFO_UFSR_NOCP]);
}
if (regs->cfsr.part.ufsr.bits.UNALIGNED) {
k_fault_log_writer(fault_msg[FAULT_INFO_UFSR_UNALIGNED]);
}
if (regs->cfsr.part.ufsr.bits.DIVBYZERO0) {
k_fault_log_writer(fault_msg[FAULT_INFO_UFSR_DIVBYZERO0]);
}
}
}
/* Debug Fault */
if (regs->hfsr.bits.DEBUGEVT) {
if (regs->dfsr.value) {
if (regs->dfsr.bits.HALTED) {
k_fault_log_writer(fault_msg[FAULT_INFO_DFSR_HALTED]);
}
if (regs->dfsr.bits.BKPT) {
k_fault_log_writer(fault_msg[FAULT_INFO_DFSR_BKPT]);
}
if (regs->dfsr.bits.DWTTRAP) {
k_fault_log_writer(fault_msg[FAULT_INFO_DFSR_DWTTRAP]);
}
if (regs->dfsr.bits.VCATCH) {
k_fault_log_writer(fault_msg[FAULT_INFO_DFSR_VCATCH]);
}
if (regs->dfsr.bits.EXTERNAL) {
k_fault_log_writer(fault_msg[FAULT_INFO_DFSR_EXTERNAL]);
}
}
}
}
__PORT__ void port_fault_diagnosis(void)
{
port_fault_regs_t regs;
regs.syshndctrl.value = SCB->SHCSR;
regs.cfsr.value = SCB->CFSR;
regs.mmar = SCB->MMFAR;
regs.bfar = SCB->BFAR;
regs.hfsr.value = SCB->HFSR;
regs.dfsr.value = SCB->DFSR;
regs.afsr = SCB->AFSR;
port_fault_do_diagnosis(&regs);
}
/*------------------ RealView Compiler -----------------*/
/* V5 */
#if defined(__CC_ARM)
__PORT__ __ASM__ void HardFault_Handler(void)
{
IMPORT fault_backtrace
MOV r0, lr
TST lr, #0x04
ITE EQ
MRSEQ r1, MSP
MRSNE r1, PSP
BL fault_backtrace
}
/*------------------ ARM Compiler V6 -------------------*/
#elif defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
__PORT__ void __NAKED__ HardFault_Handler(void)
{
__ASM__ __VOLATILE__ (
"MOV r0, lr\n\t"
"TST lr, #0x04\n\t"
"ITE EQ\n\t"
"MRSEQ r1, MSP\n\t"
"MRSNE r1, PSP\n\t"
"BL fault_backtrace\n\t"
);
}
#endif /* ARMCC VERSION */
#endif /* TOS_CFG_FAULT_BACKTRACE_EN */

30
arch/stm8/iccstm8/port_config.h Normal file
View File

@@ -0,0 +1,30 @@
/*----------------------------------------------------------------------------
* 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 _PORT_CONFIG_H_
#define _PORT_CONFIG_H_
#define TOS_CFG_CPU_ADDR_SIZE CPU_WORD_SIZE_08
#define TOS_CFG_CPU_DATA_SIZE CPU_WORD_SIZE_08
#define TOS_CFG_CPU_STK_GROWTH CPU_STK_GROWTH_DESCENDING
#define TOS_CFG_CPU_HRTIMER_EN 0u
#define TOS_CFG_CPU_LEAD_ZEROS_ASM_PRESENT 0u
#define TOS_CFG_CPU_ARM_FPU_EN 0u
#endif /* _PORT_CONFIG_H_ */

2
arch/stm8/iccarm/port_s.S → arch/stm8/iccstm8/port_s.S
View File

@@ -70,7 +70,7 @@ _context_save:
LDW (X), Y
_context_restore:
; k_curr_task = k_next_task
/* k_curr_task = k_next_task */
LDW X, k_next_task
LDW Y, #k_curr_task /* equals to: "ldr r0, =k_curr_task "*/
LDW (Y), X