83 lines
1.8 KiB
C
83 lines
1.8 KiB
C
|
// Copyright 2020-2021 Beken
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
// you may not use this file except in compliance with the License.
|
||
|
|
// You may obtain a copy of the License at
|
||
|
|
//
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
|
||
|
|
#include <rthw.h>
|
||
|
|
#include <rtthread.h>
|
||
|
|
|
||
|
|
RT_WEAK void machine_reset(void)
|
||
|
|
{
|
||
|
|
rt_kprintf("reboot system...\n");
|
||
|
|
rt_hw_interrupt_disable();
|
||
|
|
while(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
RT_WEAK void machine_shutdown(void)
|
||
|
|
{
|
||
|
|
rt_kprintf("shutdown...\n");
|
||
|
|
rt_hw_interrupt_disable();
|
||
|
|
while(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
void rtos_shutdown()
|
||
|
|
{
|
||
|
|
uint32_t level;
|
||
|
|
rt_kprintf("shutdown...\n");
|
||
|
|
|
||
|
|
level = rt_hw_interrupt_disable();
|
||
|
|
machine_shutdown();
|
||
|
|
while (level)
|
||
|
|
{
|
||
|
|
RT_ASSERT(0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef RT_USING_CPU_FFS
|
||
|
|
/**
|
||
|
|
* This function finds the first bit set (beginning with the least significant bit)
|
||
|
|
* in value and return the index of that bit.
|
||
|
|
*
|
||
|
|
* Bits are numbered starting at 1 (the least significant bit). A return value of
|
||
|
|
* zero from any of these functions means that the argument was zero.
|
||
|
|
*
|
||
|
|
* @return return the index of the first bit set. If value is 0, then this function
|
||
|
|
* shall return 0.
|
||
|
|
*/
|
||
|
|
#if defined(__CC_ARM)
|
||
|
|
int __rt_ffs(int value)
|
||
|
|
{
|
||
|
|
register uint32_t x;
|
||
|
|
|
||
|
|
if (value == 0)
|
||
|
|
return value;
|
||
|
|
|
||
|
|
__asm
|
||
|
|
{
|
||
|
|
rsb x, value, #0
|
||
|
|
and x, x, value
|
||
|
|
clz x, x
|
||
|
|
rsb x, x, #32
|
||
|
|
}
|
||
|
|
|
||
|
|
return x;
|
||
|
|
}
|
||
|
|
#elif defined(__GNUC__) || defined(__ICCARM__)
|
||
|
|
int __rt_ffs(int value)
|
||
|
|
{
|
||
|
|
return __builtin_ffs(value);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|