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[bsp/raspi3-32] fix some bug of funtion '__rt_ffs' (#6187)

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* [bsp/raspi3-32] fix some bug of funtion '__rt_ffs'

* Update trap.c

Co-authored-by: Man, Jianting (Meco) <920369182@qq.com>
This commit is contained in:
hipeanut
2022-08-02 11:18:17 +08:00
committed by GitHub
parent 2a7da005ba
commit 7882e42c61
1 changed files with 6 additions and 1 deletions
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bsp/raspberry-pi/raspi3-32/cpu/trap.c
Regular → Executable
+6 -1
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@@ -133,7 +133,12 @@ void rt_hw_trap_resv(struct rt_hw_exp_stack *regs)
#ifdef RT_USING_CPU_FFS
int __rt_ffs(int value)
{
int num = 0;
if (!value)
{
return 0;
}
int num = 1;
if ((value & 0xffff) == 0)
{