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port TencentOS tiny to RISC-V

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This commit is contained in:
acezhao
2019-09-13 00:45:38 +08:00
parent b95368685f
commit af245f2e5b
20 changed files with 3437 additions and 0 deletions
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1368
arch/risc-v/common/riscv_encoding.h Normal file
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190
arch/risc-v/common/tos_cpu.c Normal file
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/*
* tos_cpu.c
*
* Created on: Sep 8, 2019
* Author: ace
*/
#include <tos.h>
#include <riscv_encoding.h>
// soc code shoud not put here
#define __SYSTEM_CLOCK_108M_PLL_HXTAL (uint32_t)(108000000)
uint32_t SystemCoreClock = __SYSTEM_CLOCK_108M_PLL_HXTAL;
__KERNEL__ void cpu_systick_init(k_cycle_t cycle_per_tick)
{
port_systick_priority_set(TOS_CFG_CPU_SYSTICK_PRIO);
port_systick_config(cycle_per_tick);
}
__KERNEL__ 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);
//TODO
}
__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);
}
__KERNEL__ void cpu_context_switch(void)
{
port_context_switch();
}
__KERNEL__ void cpu_irq_context_switch(void)
{
port_irq_context_switch();
}
__KERNEL__ void cpu_sched_start(void)
{
port_sched_start();
}
/*
Inx Offset Register
31 124 x31 t6
32 120 x30 t5
29 116 x29 t4
28 112 x28 t3
27 108 x27 s11
26 104 x26 s10
25 100 x25 s9
24 096 x24 s8
23 092 x23 s7
22 088 x22 s6
21 084 x21 s5
20 080 x20 s4
19 076 x19 s3
18 072 x18 s2
17 068 x17 a7
16 064 x16 a6
15 060 x15 a5
14 056 x14 a4
13 052 x13 a3
12 048 x12 a2
11 044 x11 a1
10 040 x10 a0
09 036 x9 s1
08 032 x8 s0/fp
07 028 x7 t2
06 024 x6 t1
05 020 x5 t0
04 016 x4 tp
03 012 x3 gp
02 008 x1 ra
01 004 mstatus
00 000 epc
*/
__KERNEL__ 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 = 0;
cpu_context_t *regs = 0;
sp = (cpu_data_t *)&stk_base[stk_size];
sp = (cpu_data_t *)((cpu_addr_t)(sp) & 0xFFFFFFF8);
sp -= (sizeof(cpu_context_t)/sizeof(cpu_data_t));
regs = (cpu_context_t*) sp;
#if 1
for(int i=0; i<(sizeof(cpu_context_t)/sizeof(cpu_data_t)); i++) {
#define _V(v) ((unsigned int)((v/10) << 4 | (v % 10)))
*(sp + i) = (_V(i) << 24) | (_V(i) << 16) | (_V(i) << 8) | _V(i);
#undef _V
}
#endif
regs->a0 = (cpu_data_t)arg; // a0: argument
regs->ra = (cpu_data_t)0xACE00ACE; // ra: return address
regs->mstatus = (cpu_data_t)(MSTATUS_MPP | MSTATUS_MPIE); // return to machine mode and enable interrupt
regs->epc = (cpu_data_t)entry;
return (k_stack_t*)sp;
}
void cpu_trap_entry(cpu_data_t cause, cpu_context_t *regs)
{
int ddd = cause;
while(1) {
ddd++;
}
}
void SysTick_IRQHandler() {
//asm("csrs mip, %0"::"r"(MIP_MTIP));
port_systick_config(k_cpu_cycle_per_tick);
#if 1
if(tos_knl_is_running()) {
tos_knl_irq_enter();
tos_tick_handler();
tos_knl_irq_leave();
}
#endif
}
void cpu_irq_entry(cpu_data_t irq, cpu_context_t *regs)
{
void (*irq_handler)();
extern void (*handler_vector_table[])();
irq_handler = handler_vector_table[irq];
if((*irq_handler) == 0) {
return;
}
(*irq_handler)();
}
__API__ uint32_t tos_cpu_clz(uint32_t val)
{
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);
}

118
arch/risc-v/common/tos_cpu.h Normal file
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#ifndef _TOS_CPU_H_
#define _TOS_CPU_H_
typedef struct cpu_context_st {
cpu_data_t epc;
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);
__KERNEL__ void cpu_init(void);
__KERNEL__ void cpu_reset(void);
__KERNEL__ void cpu_systick_init(k_cycle_t cycle_per_tick);
__KERNEL__ void cpu_sched_start(void);
__KERNEL__ void cpu_context_switch(void);
__KERNEL__ void cpu_irq_context_switch(void);
__KERNEL__ 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
__KERNEL__ void cpu_systick_resume(void);
__KERNEL__ void cpu_systick_suspend(void);
__KERNEL__ void cpu_systick_reload_reset(void);
__KERNEL__ void cpu_systick_pending_reset(void);
__KERNEL__ k_time_t cpu_systick_max_delay_millisecond(void);
__KERNEL__ void cpu_systick_expires_set(k_time_t millisecond);
__KERNEL__ void cpu_systick_reset(void);
#endif
#if TOS_CFG_PWR_MGR_EN > 0u
__KERNEL__ void cpu_sleep_mode_enter(void);
__KERNEL__ void cpu_stop_mode_enter(void);
__KERNEL__ 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_ */

23
arch/risc-v/common/tos_cpu_def.h Normal file
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/*
* tos_cpu_def.h
*
* Created on: Sep 7, 2019
* Author: ace
*/
#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_ */

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arch/risc-v/common/tos_cpu_types.h Normal file
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/*
* tos_cpu_types.h
*
* Created on: Sep 7, 2019
* Author: ace
*/
#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

10
arch/risc-v/common/tos_fault.h Normal file
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#ifndef _TOS_FAULT_H_
#define _TOS_FAULT_H_
#if TOS_CFG_FAULT_BACKTRACE_EN > 0u
#error "unsupport now"
#endif
#endif /* _TOS_FAULT_H_ */

72
arch/risc-v/rv32i/port.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 _PORT_H_
#define _PORT_H_
__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
#if TOS_CFG_FAULT_BACKTRACE_EN > 0u
__PORT__ void HardFault_Handler(void);
__PORT__ void port_fault_diagnosis(void);
#endif
#endif /* _PORT_H_ */

148
arch/risc-v/rv32i/port_c.c Normal file
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/*
* port_c.c
*
* Created on: Sep 9, 2019
* Author: ace
*/
#include "riscv_encoding.h"
#include <tos.h>
#define CLINT_CTRL_ADDR 0x2000000
#define CLINT_MSIP 0x0000
#define CLINT_MTIMECMP 0x4000
#define CLINT_MTIME 0xBFF8
static uint32_t mtime_lo(void)
{
return *(volatile uint32_t *)(CLINT_CTRL_ADDR + CLINT_MTIME);
}
static uint32_t mtime_hi(void)
{
return *(volatile uint32_t *)(CLINT_CTRL_ADDR + CLINT_MTIME + 4);
}
uint64_t get_mtime_val()
{
while (1) {
uint32_t hi = mtime_hi();
uint32_t lo = mtime_lo();
uint32_t nhi = mtime_hi();
if (hi == nhi) {
return (((uint64_t)hi) << 32) | lo;
} {
uint32_t a = hi;
uint32_t b = nhi;
}
}
}
void set_mtimecmp_lo(uint32_t v)
{
*(volatile uint32_t *)(CLINT_CTRL_ADDR + CLINT_MTIMECMP) = v;
}
void set_mtimecmp_hi(uint32_t v)
{
*(volatile uint32_t *)(CLINT_CTRL_ADDR + CLINT_MTIMECMP + 4) = v;
}
void set_mtimecmp_val(uint64_t v)
{
uint32_t hi = (v >> 32) & 0xFFFFFFFF;
uint32_t lo = (v >> 0) & 0xFFFFFFFF;
set_mtimecmp_lo(0xFFFFFFFF); // No smaller than old value.
set_mtimecmp_hi(hi); // No smaller than new value.
set_mtimecmp_lo(lo); // New value.
}
__PORT__ void port_systick_config(uint32_t cycle_per_tick)
{
#if 0
asm("csrc mie, %0"::"r"(MIP_MTIP));
#if 1
uint64_t mtime = get_mtime_val();
#else
static uint64_t last_mtime = 0;
if(last_mtime == 0) {
last_mtime = get_mtime_val();
}
uint64_t mtime = get_mtime_val();
if((mtime - last_mtime)/cycle_per_tick >= 4) {
mtime = last_mtime+2*cycle_per_tick;
}
last_mtime = mtime;
#endif
uint64_t mtimecmp;
do {
tick_inc();
mtimecmp = ((uint64_t)tos_get_tick())* cycle_per_tick;
} while(mtimecmp <= mtime);
set_mtimecmp_val(mtimecmp);
asm("csrs mie, %0"::"r"(MIP_MTIP));
#endif
#if 0
clear_csr(mie, MIP_MTIP);
static uint64_t then = 0;
volatile uint64_t * mtime = (uint64_t*) (CLINT_CTRL_ADDR + CLINT_MTIME);
volatile uint64_t * mtimecmp = (uint64_t*) (CLINT_CTRL_ADDR + CLINT_MTIMECMP);
if(then != 0) {
//next timer irq is 1 second from previous
then += 1*cycle_per_tick;
} else{ //first time setting the timer
uint64_t now = *mtime;
then = now + 1*cycle_per_tick;
}
*mtimecmp = then;
set_csr(mie, MIP_MTIP);
#endif
//asm("csrc mie, %0"::"r"(MIP_MTIP));
#if 0
uint64_t next_tick = get_mtime_val();
next_tick += cycle_per_tick;
set_mtimecmp_val(next_tick);
#endif
#if 0
uint64_t new_tick = get_mtime_val() + cycle_per_tick;
uint64_t tick = 0;
if(new_tick - next_tick > 50000) {
tick = get_mtime_val() + cycle_per_tick;
}
next_tick = new_tick;
set_mtimecmp_val(next_tick);
#endif
#if 1
// this is illegal in ricsv-32
// it cost cpu read two times, first mtime_lo and then mtime_hi
// if mtime_lo == 0xFFFFFFFF and mtime_hi = 0 at first read
// then mtime_lo == 0 and mtime_hi = 1 at next read
// the result will be 0x1FFFFFFFF, not 0x100000000
//*(volatile uint32_t *)(CLINT_CTRL_ADDR + CLINT_MTIMECMP + 4) = 0xFFFFFFFF;
//*(volatile uint32_t *)(CLINT_CTRL_ADDR + CLINT_MTIMECMP + 0) = 0xFFFFFFFF;
uint64_t mtime = *(volatile uint64_t *)(CLINT_CTRL_ADDR + CLINT_MTIME);
mtime += cycle_per_tick;
*(volatile uint32_t *)(CLINT_CTRL_ADDR + CLINT_MTIMECMP + 4) = (mtime >> 32) & 0xFFFFFFFF;
asm("csrc mip, %0"::"r"(MIP_MTIP));
*(volatile uint32_t *)(CLINT_CTRL_ADDR + CLINT_MTIMECMP + 0) = (mtime >> 0) & 0xFFFFFFFF;
//asm("csrc mip, %0"::"r"(MIP_MTIP));
#endif
//asm("csrs mie, %0"::"r"(MIP_MTIP));
}
__PORT__ void port_systick_priority_set(uint32_t prio)
{
//NVIC_SetPriority(SysTick_IRQn, prio);
}

27
arch/risc-v/rv32i/port_config.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 _PORT_CONFIG_H_
#define _PORT_CONFIG_H_
#define TOS_CFG_CPU_ADDR_SIZE CPU_WORD_SIZE_32
#define TOS_CFG_CPU_DATA_SIZE CPU_WORD_SIZE_32
#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
#endif /* _PORT_CONFIG_H_ */

407
arch/risc-v/rv32i/port_s.S Normal file
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.global port_int_disable
.global port_int_enable
.global port_cpsr_save
.global port_cpsr_restore
.global port_sched_start
.global port_context_switch
.global port_irq_context_switch
#include "riscv_encoding.h"
.text
.align 2
.type port_int_disable, %function
port_int_disable:
csrci mstatus, MSTATUS_MIE
ret
.type port_int_enable, %function
port_int_enable:
csrsi mstatus, MSTATUS_MIE
ret
.type port_cpsr_save, %function
port_cpsr_save:
csrrci a0, mstatus, MSTATUS_MIE
#csrrci a0, mstatus, MSTATUS_MPIE
ret
.type port_cpsr_restore, %function
port_cpsr_restore:
csrw mstatus, a0
ret
#define REGBYTES 4
#define LOAD lw
#define STORE sw
.extern k_curr_task
.type port_sched_start, %function
port_sched_start:
// enable timer interrupt
li t0, MIE_MTIE
csrs mie, t0
la t0, k_curr_task // t0 = &k_curr_task
LOAD t0, (t0) // t0 = &(k_curr_task->sp)
LOAD sp, (t0) // k_curr_task->sp = sp
// save sp
addi t1, sp, 32*REGBYTES
STORE t1, (t0)
LOAD t0, 0*REGBYTES(sp)
csrw mepc, t0
LOAD t0, 1*REGBYTES(sp)
csrw mstatus, t0
LOAD x1, 2*REGBYTES(sp)
LOAD x3, 3*REGBYTES(sp)
LOAD x4, 4*REGBYTES(sp)
LOAD x5, 5*REGBYTES(sp)
LOAD x6, 6*REGBYTES(sp)
LOAD x7, 7*REGBYTES(sp)
LOAD x8, 8*REGBYTES(sp)
LOAD x9, 9*REGBYTES(sp)
LOAD x10, 10*REGBYTES(sp)
LOAD x11, 11*REGBYTES(sp)
LOAD x12, 12*REGBYTES(sp)
LOAD x13, 13*REGBYTES(sp)
LOAD x14, 14*REGBYTES(sp)
LOAD x15, 15*REGBYTES(sp)
LOAD x16, 16*REGBYTES(sp)
LOAD x17, 17*REGBYTES(sp)
LOAD x18, 18*REGBYTES(sp)
LOAD x19, 19*REGBYTES(sp)
LOAD x20, 20*REGBYTES(sp)
LOAD x21, 21*REGBYTES(sp)
LOAD x22, 22*REGBYTES(sp)
LOAD x23, 23*REGBYTES(sp)
LOAD x24, 24*REGBYTES(sp)
LOAD x25, 25*REGBYTES(sp)
LOAD x26, 26*REGBYTES(sp)
LOAD x27, 27*REGBYTES(sp)
LOAD x28, 28*REGBYTES(sp)
LOAD x29, 29*REGBYTES(sp)
LOAD x30, 30*REGBYTES(sp)
LOAD x31, 31*REGBYTES(sp)
addi sp, sp, 32*REGBYTES
mret
.align 2
.global machine_trap_entry
machine_trap_entry:
addi sp, sp, -32*REGBYTES
STORE x1, 2*REGBYTES(sp)
STORE x3, 3*REGBYTES(sp)
STORE x4, 4*REGBYTES(sp)
STORE x5, 5*REGBYTES(sp)
STORE x6, 6*REGBYTES(sp)
STORE x7, 7*REGBYTES(sp)
STORE x8, 8*REGBYTES(sp)
STORE x9, 9*REGBYTES(sp)
STORE x10, 10*REGBYTES(sp)
STORE x11, 11*REGBYTES(sp)
STORE x12, 12*REGBYTES(sp)
STORE x13, 13*REGBYTES(sp)
STORE x14, 14*REGBYTES(sp)
STORE x15, 15*REGBYTES(sp)
STORE x16, 16*REGBYTES(sp)
STORE x17, 17*REGBYTES(sp)
STORE x18, 18*REGBYTES(sp)
STORE x19, 19*REGBYTES(sp)
STORE x20, 20*REGBYTES(sp)
STORE x21, 21*REGBYTES(sp)
STORE x22, 22*REGBYTES(sp)
STORE x23, 23*REGBYTES(sp)
STORE x24, 24*REGBYTES(sp)
STORE x25, 25*REGBYTES(sp)
STORE x26, 26*REGBYTES(sp)
STORE x27, 27*REGBYTES(sp)
STORE x28, 28*REGBYTES(sp)
STORE x29, 29*REGBYTES(sp)
STORE x30, 30*REGBYTES(sp)
STORE x31, 31*REGBYTES(sp)
#if 1
//li t0, MSTATUS_MPP | MSTATUS_MPIE // acutally MPIE is not need
csrr t0, mstatus
STORE t0, 1*REGBYTES(sp)
csrr t0, mepc // just save information for handler
STORE t0, 0*REGBYTES(sp)
// save sp to k_curr_task.sp
la t0, k_curr_task // t0 = &k_curr_task
LOAD t1, (t0)
STORE sp, (t1)
csrr a0, mcause
mv a1, sp
bltz a0, irq
call cpu_trap_entry
j restore
irq:
slli a0, a0, 1
srli a0, a0, 1
call cpu_irq_entry
restore:
LOAD t0, 0*REGBYTES(sp)
csrw mepc, t0
LOAD t0, 1*REGBYTES(sp)
csrw mstatus, t0
#else
// for debug timer interrupt only
csrr a0, mcause
slli a0, a0, 1
srli a0, a0, 1
call cpu_irq_entry
#endif
LOAD x1, 2*REGBYTES(sp)
LOAD x3, 3*REGBYTES(sp)
LOAD x4, 4*REGBYTES(sp)
LOAD x5, 5*REGBYTES(sp)
LOAD x6, 6*REGBYTES(sp)
LOAD x7, 7*REGBYTES(sp)
LOAD x8, 8*REGBYTES(sp)
LOAD x9, 9*REGBYTES(sp)
LOAD x10, 10*REGBYTES(sp)
LOAD x11, 11*REGBYTES(sp)
LOAD x12, 12*REGBYTES(sp)
LOAD x13, 13*REGBYTES(sp)
LOAD x14, 14*REGBYTES(sp)
LOAD x15, 15*REGBYTES(sp)
LOAD x16, 16*REGBYTES(sp)
LOAD x17, 17*REGBYTES(sp)
LOAD x18, 18*REGBYTES(sp)
LOAD x19, 19*REGBYTES(sp)
LOAD x20, 20*REGBYTES(sp)
LOAD x21, 21*REGBYTES(sp)
LOAD x22, 22*REGBYTES(sp)
LOAD x23, 23*REGBYTES(sp)
LOAD x24, 24*REGBYTES(sp)
LOAD x25, 25*REGBYTES(sp)
LOAD x26, 26*REGBYTES(sp)
LOAD x27, 27*REGBYTES(sp)
LOAD x28, 28*REGBYTES(sp)
LOAD x29, 29*REGBYTES(sp)
LOAD x30, 30*REGBYTES(sp)
LOAD x31, 31*REGBYTES(sp)
addi sp, sp, 32*REGBYTES
mret
.align 2
.type port_context_switch, %function
port_context_switch:
nop
nop
addi sp, sp, -32*REGBYTES
STORE x1, 2*REGBYTES(sp)
STORE x3, 3*REGBYTES(sp)
STORE x4, 4*REGBYTES(sp)
STORE x5, 5*REGBYTES(sp)
STORE x6, 6*REGBYTES(sp)
STORE x7, 7*REGBYTES(sp)
STORE x8, 8*REGBYTES(sp)
STORE x9, 9*REGBYTES(sp)
STORE x10, 10*REGBYTES(sp)
STORE x11, 11*REGBYTES(sp)
STORE x12, 12*REGBYTES(sp)
STORE x13, 13*REGBYTES(sp)
STORE x14, 14*REGBYTES(sp)
STORE x15, 15*REGBYTES(sp)
STORE x16, 16*REGBYTES(sp)
STORE x17, 17*REGBYTES(sp)
STORE x18, 18*REGBYTES(sp)
STORE x19, 19*REGBYTES(sp)
STORE x20, 20*REGBYTES(sp)
STORE x21, 21*REGBYTES(sp)
STORE x22, 22*REGBYTES(sp)
STORE x23, 23*REGBYTES(sp)
STORE x24, 24*REGBYTES(sp)
STORE x25, 25*REGBYTES(sp)
STORE x26, 26*REGBYTES(sp)
STORE x27, 27*REGBYTES(sp)
STORE x28, 28*REGBYTES(sp)
STORE x29, 29*REGBYTES(sp)
STORE x30, 30*REGBYTES(sp)
STORE x31, 31*REGBYTES(sp)
li t0, MSTATUS_MPP // force use machine mode
csrr t1, mstatus
and t1, t1, MSTATUS_MIE
beqz t1, save_mstatus
or t0, t0, MSTATUS_MPIE
save_mstatus:
STORE t0, 1*REGBYTES(sp)
la t0, port_context_switch_return // just save information for handler
STORE t0, 0*REGBYTES(sp)
// save sp to k_curr_task.sp
la t0, k_curr_task // t0 = &k_curr_task
LOAD t1, (t0)
STORE sp, (t1)
// k_curr_task = k_next_task
la t1, k_next_task // t1 = &k_next_task
LOAD t1, (t1) // t1 = k_next_task
STORE t1, (t0)
// load sp from k_next_task.sp
LOAD sp, (t1)
LOAD t0, 0*REGBYTES(sp)
csrw mepc, t0
LOAD t0, 1*REGBYTES(sp)
csrw mstatus, t0
LOAD x1, 2*REGBYTES(sp)
LOAD x3, 3*REGBYTES(sp)
LOAD x4, 4*REGBYTES(sp)
LOAD x5, 5*REGBYTES(sp)
LOAD x6, 6*REGBYTES(sp)
LOAD x7, 7*REGBYTES(sp)
LOAD x8, 8*REGBYTES(sp)
LOAD x9, 9*REGBYTES(sp)
LOAD x10, 10*REGBYTES(sp)
LOAD x11, 11*REGBYTES(sp)
LOAD x12, 12*REGBYTES(sp)
LOAD x13, 13*REGBYTES(sp)
LOAD x14, 14*REGBYTES(sp)
LOAD x15, 15*REGBYTES(sp)
LOAD x16, 16*REGBYTES(sp)
LOAD x17, 17*REGBYTES(sp)
LOAD x18, 18*REGBYTES(sp)
LOAD x19, 19*REGBYTES(sp)
LOAD x20, 20*REGBYTES(sp)
LOAD x21, 21*REGBYTES(sp)
LOAD x22, 22*REGBYTES(sp)
LOAD x23, 23*REGBYTES(sp)
LOAD x24, 24*REGBYTES(sp)
LOAD x25, 25*REGBYTES(sp)
LOAD x26, 26*REGBYTES(sp)
LOAD x27, 27*REGBYTES(sp)
LOAD x28, 28*REGBYTES(sp)
LOAD x29, 29*REGBYTES(sp)
LOAD x30, 30*REGBYTES(sp)
LOAD x31, 31*REGBYTES(sp)
addi sp, sp, 32*REGBYTES
mret
.align 2
port_context_switch_return:
ret
.align 2
.type port_irq_context_switch, %function
port_irq_context_switch:
addi sp, sp, -32*REGBYTES
STORE x1, 2*REGBYTES(sp)
STORE x3, 3*REGBYTES(sp)
STORE x4, 4*REGBYTES(sp)
STORE x5, 5*REGBYTES(sp)
STORE x6, 6*REGBYTES(sp)
STORE x7, 7*REGBYTES(sp)
STORE x8, 8*REGBYTES(sp)
STORE x9, 9*REGBYTES(sp)
STORE x10, 10*REGBYTES(sp)
STORE x11, 11*REGBYTES(sp)
STORE x12, 12*REGBYTES(sp)
STORE x13, 13*REGBYTES(sp)
STORE x14, 14*REGBYTES(sp)
STORE x15, 15*REGBYTES(sp)
STORE x16, 16*REGBYTES(sp)
STORE x17, 17*REGBYTES(sp)
STORE x18, 18*REGBYTES(sp)
STORE x19, 19*REGBYTES(sp)
STORE x20, 20*REGBYTES(sp)
STORE x21, 21*REGBYTES(sp)
STORE x22, 22*REGBYTES(sp)
STORE x23, 23*REGBYTES(sp)
STORE x24, 24*REGBYTES(sp)
STORE x25, 25*REGBYTES(sp)
STORE x26, 26*REGBYTES(sp)
STORE x27, 27*REGBYTES(sp)
STORE x28, 28*REGBYTES(sp)
STORE x29, 29*REGBYTES(sp)
STORE x30, 30*REGBYTES(sp)
STORE x31, 31*REGBYTES(sp)
li t0, MSTATUS_MPP
STORE t0, 1*REGBYTES(sp)
la t0, irq_context_return
STORE t0, 0*REGBYTES(sp)
// save sp to k_curr_task.sp
la t0, k_curr_task // t0 = &k_curr_task
LOAD t1, (t0)
STORE sp, (t1)
// k_curr_task = k_next_task
la t1, k_next_task // t1 = &k_next_task
LOAD t1, (t1) // t1 = k_next_task
STORE t1, (t0)
// load sp from k_next_task.sp
LOAD sp, (t1)
LOAD t0, 1*REGBYTES(sp)
csrw mstatus, t0
LOAD t0, 0*REGBYTES(sp)
csrw mepc, t0
LOAD x1, 2*REGBYTES(sp)
LOAD x3, 3*REGBYTES(sp)
LOAD x4, 4*REGBYTES(sp)
LOAD x5, 5*REGBYTES(sp)
LOAD x6, 6*REGBYTES(sp)
LOAD x7, 7*REGBYTES(sp)
LOAD x8, 8*REGBYTES(sp)
LOAD x9, 9*REGBYTES(sp)
LOAD x10, 10*REGBYTES(sp)
LOAD x11, 11*REGBYTES(sp)
LOAD x12, 12*REGBYTES(sp)
LOAD x13, 13*REGBYTES(sp)
LOAD x14, 14*REGBYTES(sp)
LOAD x15, 15*REGBYTES(sp)
LOAD x16, 16*REGBYTES(sp)
LOAD x17, 17*REGBYTES(sp)
LOAD x18, 18*REGBYTES(sp)
LOAD x19, 19*REGBYTES(sp)
LOAD x20, 20*REGBYTES(sp)
LOAD x21, 21*REGBYTES(sp)
LOAD x22, 22*REGBYTES(sp)
LOAD x23, 23*REGBYTES(sp)
LOAD x24, 24*REGBYTES(sp)
LOAD x25, 25*REGBYTES(sp)
LOAD x26, 26*REGBYTES(sp)
LOAD x27, 27*REGBYTES(sp)
LOAD x28, 28*REGBYTES(sp)
LOAD x29, 29*REGBYTES(sp)
LOAD x30, 30*REGBYTES(sp)
LOAD x31, 31*REGBYTES(sp)
addi sp, sp, 32*REGBYTES
mret
irq_context_return:
ret

209
arch/risc-v/rv32i/start.S Normal file
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@@ -0,0 +1,209 @@
// See LICENSE for license details.
#include "riscv_encoding.h"
.section .text.entry
.globl _start
.type _start,@function
_start:
csrc mstatus, MSTATUS_MIE
csrw mie, 0
la t0, machine_trap_entry
csrw mtvec, t0
#if 1
// before kernel run, the stack is unused
// so just borrow to use
la t0, k_idle_task_stk_addr
lw t1, k_idle_task_stk_size
add sp, t0, t1
#else
// uncomment in link.ld
la sp, _stack_top
#endif
/* Load data section */
la a0, _load_data
la a1, _data
la a2, _edata
bgeu a1, a2, begin_clear_bss
clear_data:
lw t0, (a0)
sw t0, (a1)
addi a0, a0, 4
addi a1, a1, 4
bltu a1, a2, clear_data
begin_clear_bss:
// clear bss section
la a0, _bss
la a1, _ebss
bgeu a0, a1, init_finish
clear_bss:
sw zero, (a0)
addi a0, a0, 4
bltu a0, a1, clear_bss
init_finish:
call main
__die:
j __die
.section .text
.weak eclic_msip_handler
.weak eclic_mtip_handler
.weak SysTick_IRQHandler
.weak eclic_bwei_handler
.weak eclic_pmovi_handler
.weak WWDGT_IRQHandler
.weak LVD_IRQHandler
.weak TAMPER_IRQHandler
.weak RTC_IRQHandler
.weak FMC_IRQHandler
.weak RCU_IRQHandler
.weak EXTI0_IRQHandler
.weak EXTI1_IRQHandler
.weak EXTI2_IRQHandler
.weak EXTI3_IRQHandler
.weak EXTI4_IRQHandler
.weak DMA0_Channel0_IRQHandler
.weak DMA0_Channel1_IRQHandler
.weak DMA0_Channel2_IRQHandler
.weak DMA0_Channel3_IRQHandler
.weak DMA0_Channel4_IRQHandler
.weak DMA0_Channel5_IRQHandler
.weak DMA0_Channel6_IRQHandler
.weak ADC0_1_IRQHandler
.weak CAN0_TX_IRQHandler
.weak CAN0_RX0_IRQHandler
.weak CAN0_RX1_IRQHandler
.weak CAN0_EWMC_IRQHandler
.weak EXTI5_9_IRQHandler
.weak TIMER0_BRK_IRQHandler
.weak TIMER0_UP_IRQHandler
.weak TIMER0_TRG_CMT_IRQHandler
.weak TIMER0_Channel_IRQHandler
.weak TIMER1_IRQHandler
.weak TIMER2_IRQHandler
.weak TIMER3_IRQHandler
.weak I2C0_EV_IRQHandler
.weak I2C0_ER_IRQHandler
.weak I2C1_EV_IRQHandler
.weak I2C1_ER_IRQHandler
.weak SPI0_IRQHandler
.weak SPI1_IRQHandler
.weak USART0_IRQHandler
.weak USART1_IRQHandler
.weak USART2_IRQHandler
.weak EXTI10_15_IRQHandler
.weak RTC_Alarm_IRQHandler
.weak USBFS_WKUP_IRQHandler
.weak EXMC_IRQHandler
.weak TIMER4_IRQHandler
.weak SPI2_IRQHandler
.weak UART3_IRQHandler
.weak UART4_IRQHandler
.weak TIMER5_IRQHandler
.weak TIMER6_IRQHandler
.weak DMA1_Channel0_IRQHandler
.weak DMA1_Channel1_IRQHandler
.weak DMA1_Channel2_IRQHandler
.weak DMA1_Channel3_IRQHandler
.weak DMA1_Channel4_IRQHandler
.weak CAN1_TX_IRQHandler
.weak CAN1_RX0_IRQHandler
.weak CAN1_RX1_IRQHandler
.weak CAN1_EWMC_IRQHandler
.weak USBFS_IRQHandler
.global handler_vector_table
.align 2
handler_vector_table:
.word 0
.word 0
.word 0
.word eclic_msip_handler
.word 0
.word 0
.word 0
.word SysTick_IRQHandler
.word 0
.word 0
.word 0
.word 0
.word 0
.word 0
.word 0
.word 0
.word 0
.word eclic_bwei_handler
.word eclic_pmovi_handler
.word WWDGT_IRQHandler
.word LVD_IRQHandler
.word TAMPER_IRQHandler
.word RTC_IRQHandler
.word FMC_IRQHandler
.word RCU_IRQHandler
.word EXTI0_IRQHandler
.word EXTI1_IRQHandler
.word EXTI2_IRQHandler
.word EXTI3_IRQHandler
.word EXTI4_IRQHandler
.word DMA0_Channel0_IRQHandler
.word DMA0_Channel1_IRQHandler
.word DMA0_Channel2_IRQHandler
.word DMA0_Channel3_IRQHandler
.word DMA0_Channel4_IRQHandler
.word DMA0_Channel5_IRQHandler
.word DMA0_Channel6_IRQHandler
.word ADC0_1_IRQHandler
.word CAN0_TX_IRQHandler
.word CAN0_RX0_IRQHandler
.word CAN0_RX1_IRQHandler
.word CAN0_EWMC_IRQHandler
.word EXTI5_9_IRQHandler
.word TIMER0_BRK_IRQHandler
.word TIMER0_UP_IRQHandler
.word TIMER0_TRG_CMT_IRQHandler
.word TIMER0_Channel_IRQHandler
.word TIMER1_IRQHandler
.word TIMER2_IRQHandler
.word TIMER3_IRQHandler
.word I2C0_EV_IRQHandler
.word I2C0_ER_IRQHandler
.word I2C1_EV_IRQHandler
.word I2C1_ER_IRQHandler
.word SPI0_IRQHandler
.word SPI1_IRQHandler
.word USART0_IRQHandler
.word USART1_IRQHandler
.word USART2_IRQHandler
.word EXTI10_15_IRQHandler
.word RTC_Alarm_IRQHandler
.word USBFS_WKUP_IRQHandler
.word 0
.word 0
.word 0
.word 0
.word 0
.word EXMC_IRQHandler
.word 0
.word TIMER4_IRQHandler
.word SPI2_IRQHandler
.word UART3_IRQHandler
.word UART4_IRQHandler
.word TIMER5_IRQHandler
.word TIMER6_IRQHandler
.word DMA1_Channel0_IRQHandler
.word DMA1_Channel1_IRQHandler
.word DMA1_Channel2_IRQHandler
.word DMA1_Channel3_IRQHandler
.word DMA1_Channel4_IRQHandler
.word 0
.word 0
.word CAN1_TX_IRQHandler
.word CAN1_RX0_IRQHandler
.word CAN1_RX1_IRQHandler
.word CAN1_EWMC_IRQHandler
.word USBFS_IRQHandler

436
board/QEMU_Spike/eclipse/hello_world/.cproject Normal file
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@@ -0,0 +1,436 @@
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<tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.createlisting.1648235016" name="GNU RISC-V Cross Create Listing" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.createlisting">
<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.source.1252659705" name="Display source (--source|-S)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.source" value="true" valueType="boolean"/>
<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.allheaders.1918721537" name="Display all headers (--all-headers|-x)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.allheaders" value="true" valueType="boolean"/>
<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.demangle.1876846984" name="Demangle names (--demangle|-C)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.demangle" value="true" valueType="boolean"/>
<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.linenumbers.538855900" name="Display line numbers (--line-numbers|-l)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.linenumbers" value="true" valueType="boolean"/>
<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.wide.1461816723" name="Wide lines (--wide|-w)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.wide" value="true" valueType="boolean"/>
</tool>
<tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.printsize.1453145303" name="GNU RISC-V Cross Print Size" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.printsize">
<option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.printsize.format.1020841393" name="Size format" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.printsize.format"/>
</tool>
</toolChain>
</folderInfo>
<sourceEntries>
<entry excluding="Src" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name=""/>
<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="Src"/>
</sourceEntries>
</configuration>
</storageModule>
<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
</cconfiguration>
</storageModule>
<storageModule moduleId="cdtBuildSystem" version="4.0.0">
<project id="hello_world.ilg.gnumcueclipse.managedbuild.cross.riscv.target.elf.955814930" name="Executable" projectType="ilg.gnumcueclipse.managedbuild.cross.riscv.target.elf"/>
</storageModule>
<storageModule moduleId="scannerConfiguration">
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<scannerConfigBuildInfo instanceId="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.419702514;ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.419702514.;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.1032790189;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.input.123089053">
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<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
</scannerConfigBuildInfo>
</storageModule>
<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets"/>
<storageModule moduleId="org.eclipse.cdt.internal.ui.text.commentOwnerProjectMappings"/>
<storageModule moduleId="refreshScope" versionNumber="2">
<configuration configurationName="Debug">
<resource resourceType="PROJECT" workspacePath="/hello_world"/>
</configuration>
<configuration configurationName="Release">
<resource resourceType="PROJECT" workspacePath="/hello_world"/>
</configuration>
</storageModule>
</cproject>

1
board/QEMU_Spike/eclipse/hello_world/.gitignore vendored Normal file
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@@ -0,0 +1 @@
/Debug/

53
board/QEMU_Spike/eclipse/hello_world/.project Normal file
View File

@@ -0,0 +1,53 @@
<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>hello_world</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
<triggers>clean,full,incremental,</triggers>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
<triggers>full,incremental,</triggers>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.cdt.core.cnature</nature>
<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
</natures>
<linkedResources>
<link>
<name>TencentOS_tiny</name>
<type>2</type>
<locationURI>virtual:/virtual</locationURI>
</link>
<link>
<name>TencentOS_tiny/arch</name>
<type>2</type>
<locationURI>virtual:/virtual</locationURI>
</link>
<link>
<name>TencentOS_tiny/kernel</name>
<type>2</type>
<locationURI>$%7BPARENT-4-PROJECT_LOC%7D/kernel</locationURI>
</link>
<link>
<name>TencentOS_tiny/osal</name>
<type>2</type>
<locationURI>$%7BPARENT-4-PROJECT_LOC%7D/osal</locationURI>
</link>
<link>
<name>TencentOS_tiny/arch/risc-v</name>
<type>2</type>
<locationURI>$%7BPARENT-4-PROJECT_LOC%7D/arch/risc-v</locationURI>
</link>
</linkedResources>
</projectDescription>

48
board/QEMU_Spike/eclipse/hello_world/.settings/language.settings.xml Normal file
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@@ -0,0 +1,48 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<project>
<configuration id="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.471104145" name="Debug">
<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="1353384052355236260" id="ilg.gnumcueclipse.managedbuild.cross.riscv.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT RISC-V Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
<language-scope id="org.eclipse.cdt.core.gcc"/>
<language-scope id="org.eclipse.cdt.core.g++"/>
</provider>
</extension>
</configuration>
<configuration id="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.419702514" name="Release">
<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="1317474887408019048" id="ilg.gnumcueclipse.managedbuild.cross.riscv.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT RISC-V Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
<language-scope id="org.eclipse.cdt.core.gcc"/>
<language-scope id="org.eclipse.cdt.core.g++"/>
</provider>
</extension>
</configuration>
</project>

75
board/QEMU_Spike/eclipse/hello_world/.settings/org.eclipse.cdt.codan.core.prefs Normal file
View File

@@ -0,0 +1,75 @@
eclipse.preferences.version=1
org.eclipse.cdt.codan.checkers.errnoreturn=Warning
org.eclipse.cdt.codan.checkers.errnoreturn.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"No return\\")",implicit\=>false}
org.eclipse.cdt.codan.checkers.errreturnvalue=Error
org.eclipse.cdt.codan.checkers.errreturnvalue.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Unused return value\\")"}
org.eclipse.cdt.codan.checkers.nocommentinside=-Error
org.eclipse.cdt.codan.checkers.nocommentinside.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Nesting comments\\")"}
org.eclipse.cdt.codan.checkers.nolinecomment=-Error
org.eclipse.cdt.codan.checkers.nolinecomment.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Line comments\\")"}
org.eclipse.cdt.codan.checkers.noreturn=Error
org.eclipse.cdt.codan.checkers.noreturn.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"No return value\\")",implicit\=>false}
org.eclipse.cdt.codan.internal.checkers.AbstractClassCreation=Error
org.eclipse.cdt.codan.internal.checkers.AbstractClassCreation.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Abstract class cannot be instantiated\\")"}
org.eclipse.cdt.codan.internal.checkers.AmbiguousProblem=Error
org.eclipse.cdt.codan.internal.checkers.AmbiguousProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Ambiguous problem\\")"}
org.eclipse.cdt.codan.internal.checkers.AssignmentInConditionProblem=Warning
org.eclipse.cdt.codan.internal.checkers.AssignmentInConditionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Assignment in condition\\")"}
org.eclipse.cdt.codan.internal.checkers.AssignmentToItselfProblem=Error
org.eclipse.cdt.codan.internal.checkers.AssignmentToItselfProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Assignment to itself\\")"}
org.eclipse.cdt.codan.internal.checkers.CaseBreakProblem=Warning
org.eclipse.cdt.codan.internal.checkers.CaseBreakProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"No break at end of case\\")",no_break_comment\=>"no break",last_case_param\=>false,empty_case_param\=>false,enable_fallthrough_quickfix_param\=>false}
org.eclipse.cdt.codan.internal.checkers.CatchByReference=Warning
org.eclipse.cdt.codan.internal.checkers.CatchByReference.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Catching by reference is recommended\\")",unknown\=>false,exceptions\=>()}
org.eclipse.cdt.codan.internal.checkers.CircularReferenceProblem=Error
org.eclipse.cdt.codan.internal.checkers.CircularReferenceProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Circular inheritance\\")"}
org.eclipse.cdt.codan.internal.checkers.ClassMembersInitialization=Warning
org.eclipse.cdt.codan.internal.checkers.ClassMembersInitialization.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Class members should be properly initialized\\")",skip\=>true}
org.eclipse.cdt.codan.internal.checkers.DecltypeAutoProblem=Error
org.eclipse.cdt.codan.internal.checkers.DecltypeAutoProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Invalid 'decltype(auto)' specifier\\")"}
org.eclipse.cdt.codan.internal.checkers.FieldResolutionProblem=Error
org.eclipse.cdt.codan.internal.checkers.FieldResolutionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Field cannot be resolved\\")"}
org.eclipse.cdt.codan.internal.checkers.FunctionResolutionProblem=Error
org.eclipse.cdt.codan.internal.checkers.FunctionResolutionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Function cannot be resolved\\")"}
org.eclipse.cdt.codan.internal.checkers.InvalidArguments=Error
org.eclipse.cdt.codan.internal.checkers.InvalidArguments.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Invalid arguments\\")"}
org.eclipse.cdt.codan.internal.checkers.InvalidTemplateArgumentsProblem=Error
org.eclipse.cdt.codan.internal.checkers.InvalidTemplateArgumentsProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Invalid template argument\\")"}
org.eclipse.cdt.codan.internal.checkers.LabelStatementNotFoundProblem=Error
org.eclipse.cdt.codan.internal.checkers.LabelStatementNotFoundProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Label statement not found\\")"}
org.eclipse.cdt.codan.internal.checkers.MemberDeclarationNotFoundProblem=Error
org.eclipse.cdt.codan.internal.checkers.MemberDeclarationNotFoundProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Member declaration not found\\")"}
org.eclipse.cdt.codan.internal.checkers.MethodResolutionProblem=Error
org.eclipse.cdt.codan.internal.checkers.MethodResolutionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Method cannot be resolved\\")"}
org.eclipse.cdt.codan.internal.checkers.NamingConventionFunctionChecker=-Info
org.eclipse.cdt.codan.internal.checkers.NamingConventionFunctionChecker.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Name convention for function\\")",pattern\=>"^[a-z]",macro\=>true,exceptions\=>()}
org.eclipse.cdt.codan.internal.checkers.NonVirtualDestructorProblem=Warning
org.eclipse.cdt.codan.internal.checkers.NonVirtualDestructorProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Class has a virtual method and non-virtual destructor\\")"}
org.eclipse.cdt.codan.internal.checkers.OverloadProblem=Error
org.eclipse.cdt.codan.internal.checkers.OverloadProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Invalid overload\\")"}
org.eclipse.cdt.codan.internal.checkers.RedeclarationProblem=Error
org.eclipse.cdt.codan.internal.checkers.RedeclarationProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Invalid redeclaration\\")"}
org.eclipse.cdt.codan.internal.checkers.RedefinitionProblem=Error
org.eclipse.cdt.codan.internal.checkers.RedefinitionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Invalid redefinition\\")"}
org.eclipse.cdt.codan.internal.checkers.ReturnStyleProblem=-Warning
org.eclipse.cdt.codan.internal.checkers.ReturnStyleProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Return with parenthesis\\")"}
org.eclipse.cdt.codan.internal.checkers.ScanfFormatStringSecurityProblem=-Warning
org.eclipse.cdt.codan.internal.checkers.ScanfFormatStringSecurityProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Format String Vulnerability\\")"}
org.eclipse.cdt.codan.internal.checkers.StatementHasNoEffectProblem=Warning
org.eclipse.cdt.codan.internal.checkers.StatementHasNoEffectProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Statement has no effect\\")",macro\=>true,exceptions\=>()}
org.eclipse.cdt.codan.internal.checkers.SuggestedParenthesisProblem=Warning
org.eclipse.cdt.codan.internal.checkers.SuggestedParenthesisProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Suggested parenthesis around expression\\")",paramNot\=>false}
org.eclipse.cdt.codan.internal.checkers.SuspiciousSemicolonProblem=Warning
org.eclipse.cdt.codan.internal.checkers.SuspiciousSemicolonProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Suspicious semicolon\\")",else\=>false,afterelse\=>false}
org.eclipse.cdt.codan.internal.checkers.TypeResolutionProblem=Error
org.eclipse.cdt.codan.internal.checkers.TypeResolutionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Type cannot be resolved\\")"}
org.eclipse.cdt.codan.internal.checkers.UnusedFunctionDeclarationProblem=Warning
org.eclipse.cdt.codan.internal.checkers.UnusedFunctionDeclarationProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Unused function declaration\\")",macro\=>true}
org.eclipse.cdt.codan.internal.checkers.UnusedStaticFunctionProblem=Warning
org.eclipse.cdt.codan.internal.checkers.UnusedStaticFunctionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Unused static function\\")",macro\=>true}
org.eclipse.cdt.codan.internal.checkers.UnusedVariableDeclarationProblem=Warning
org.eclipse.cdt.codan.internal.checkers.UnusedVariableDeclarationProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Unused variable declaration in file scope\\")",macro\=>true,exceptions\=>("@(\#)","$Id")}
org.eclipse.cdt.codan.internal.checkers.VariableResolutionProblem=Error
org.eclipse.cdt.codan.internal.checkers.VariableResolutionProblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>true,RUN_ON_INC_BUILD\=>true,RUN_ON_FILE_OPEN\=>false,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>"@suppress(\\"Symbol is not resolved\\")"}
org.eclipse.cdt.qt.core.qtproblem=Warning
org.eclipse.cdt.qt.core.qtproblem.params={launchModes\=>{RUN_ON_FULL_BUILD\=>false,RUN_ON_INC_BUILD\=>false,RUN_ON_FILE_OPEN\=>true,RUN_ON_FILE_SAVE\=>false,RUN_AS_YOU_TYPE\=>true,RUN_ON_DEMAND\=>true},suppression_comment\=>null}

2
board/QEMU_Spike/eclipse/hello_world/.settings/org.eclipse.ltk.core.refactoring.prefs Normal file
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eclipse.preferences.version=1
org.eclipse.ltk.core.refactoring.enable.project.refactoring.history=false

55
board/QEMU_Spike/eclipse/hello_world/Inc/tos_config.h Normal file
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/*
* tos_config.h
*
* Created on: Sep 7, 2019
* Author: ace
*/
#ifndef INC_TOS_CONFIG_H_
#define INC_TOS_CONFIG_H_
#include "stddef.h"
#define TOS_CFG_TASK_PRIO_MAX 10u // 配置TencentOS tiny默认支持的最大优先级数量
#define TOS_CFG_ROUND_ROBIN_EN 0u // 配置TencentOS tiny的内核是否开启时间片轮转
#define TOS_CFG_OBJECT_VERIFY 0u // 配置TencentOS tiny是否校验指针合法
#define TOS_CFG_EVENT_EN 1u // TencentOS tiny 事件模块功能宏
#define TOS_CFG_MMHEAP_EN 1u // 配置TencentOS tiny是否开启动态内存模块
#define TOS_CFG_MMHEAP_POOL_SIZE 8192 // 配置TencentOS tiny动态内存池大小
#define TOS_CFG_MUTEX_EN 1u // 配置TencentOS tiny是否开启互斥锁模块
#define TOS_CFG_QUEUE_EN 1u // 配置TencentOS tiny是否开启队列模块
#define TOS_CFG_TIMER_EN 0u // 配置TencentOS tiny是否开启软件定时器模块
#define TOS_CFG_SEM_EN 1u // 配置TencentOS tiny是否开启信号量模块
#if (TOS_CFG_QUEUE_EN > 0u)
#define TOS_CFG_MSG_EN 1u
#else
#define TOS_CFG_MSG_EN 0u
#endif
#define TOS_CFG_MSG_POOL_SIZE 10u // 配置TencentOS tiny消息队列大小
#define TOS_CFG_IDLE_TASK_STK_SIZE 512u // 配置TencentOS tiny空闲任务栈大小
#define TOS_CFG_CPU_TICK_PER_SECOND 1000u // 配置TencentOS tiny的tick频率
extern uint32_t SystemCoreClock;
#define TOS_CFG_CPU_CLOCK (SystemCoreClock) // 配置TencentOS tiny CPU频率
#define TOS_CFG_TIMER_AS_PROC 1u // 配置是否将TIMER配置成函数模式
#define TOS_CFG_VFS_EN 1u
#define TOS_CFG_MMBLK_EN 1u
#endif /* INC_TOS_CONFIG_H_ */

97
board/QEMU_Spike/eclipse/hello_world/Src/main.c Normal file
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/*
* main.c
*
* Created on: Sep 13, 2019
* Author: ace
*/
#include "tos.h"
#include "riscv_encoding.h"
#define RISCV_MSTATUS_MIE (1<<3) /*machine-level interrupt bit*/
#define RISCV_MSTATUS_MPIE (1<<7) /*machine-level pre interrupt bit*/
#define RISCV_MSTATUS_MPP (0x3<<10) /*machine-level MPP bit*/
#define RISCV_MSTATUS_MPP_MPIE (RISCV_MSTATUS_MPIE | RISCV_MSTATUS_MPP)
void port_sched_start();
#define STACK_SIZE 512
char stack[STACK_SIZE];
void debug_task() {
int idle = 0;
int cnt = 0;
while(1) {
idle++;
cnt++;
}
}
#include "cmsis_os.h"
//task1
#define TASK1_STK_SIZE 512
void task1(void *pdata);
k_task_t k_task_task1;
uint8_t k_task1_stk[TASK1_STK_SIZE];
int shit = 123;
void task1(void *pdata)
{
int c = 0;
while(1)
{
c++;
shit++;
//k_tick_t delay = tos_millisec2tick(10);
//tos_task_delay(delay);
tos_task_yield();
//osDelay(10);
//asm("wfi;");
}
}
void task2(void *pdata);
k_task_t k_task_task2;
uint8_t k_task2_stk[TASK1_STK_SIZE];
void task2(void *pdata)
{
int c = 0;
while(1)
{
c--;
shit--;
//osDelay(10);
tos_task_yield();
asm("wfi;");
}
}
uint32_t *stack_sp;
int main(void)
{
osKernelInitialize();
#if 0
while(1) {
asm("csrs mie, %0"::"r"(MIE_MTIE));
asm("csrs mstatus, %0"::"r"(MSTATUS_MIE));
asm("wfi;");
}
#endif
tos_task_create(&k_task_task1, "task1", task1, NULL, 3, k_task1_stk, TASK1_STK_SIZE, 0);
tos_task_create(&k_task_task2, "task2", task2, NULL, 3, k_task2_stk, TASK1_STK_SIZE, 0);
osKernelStart();
uint32_t *sp = stack+STACK_SIZE - 4;
sp = (uint32_t*)(((uint32_t)sp) & 0xFFFFFFF0);
*(sp - 22) = 0x0ACE0ACE; // Reg R0: argument
*(sp - 30) = 0x1234ABCD; // ra
*(sp - 31) = debug_task;
*(sp - 32) = RISCV_MSTATUS_MPIE | RISCV_MSTATUS_MPP;
sp -= 32;
stack_sp = sp;
port_sched_start();
int c = 0;
while(1) {
c++;
}
}

52
board/QEMU_Spike/eclipse/hello_world/link.ld Normal file
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OUTPUT_ARCH( "riscv" )
ENTRY( _start )
MEMORY
{
ROM (rxai!w) : ORIGIN = 0x80000000, LENGTH = 512K
RAM (wxa!ri) : ORIGIN = 0x84000000, LENGTH = 128K
}
SECTIONS
{
.text : {
PROVIDE( _text = . );
*(.text.entry)
*(.text)
*(.rodata)
PROVIDE( _etext = . );
} >ROM AT>ROM
. = ALIGN(4);
_load_data = LOADADDR(.data);
. = ALIGN(4);
.data : {
PROVIDE( _data = . );
*(.data)
. = ALIGN(4);
} >RAM AT>ROM
. = ALIGN(4);
PROVIDE( _edata = . );
. = ALIGN(0x1000);
PROVIDE( _bss = . );
.bss : {
*(.bss)
} >RAM AT>RAM
. = ALIGN(4);
PROVIDE( _ebss = . );
. = ALIGN(8);
PROVIDE( end = . );
/*
_stack_size = 256;
.stack ORIGIN(RAM) + LENGTH(RAM) - _stack_size :
{
. = _stack_size;
PROVIDE( _stack_top = . );
} >RAM AT>RAM
*/
}