Nick Hu  
		
	
	
		ddf4972834 
		
	 
	
	
	riscv: Avoid io read/write cause wrong result  
		
			... 
			io read/write may cause wrong result because they may read/write data
from/to register instead of memory. Add 'volatile' to avoid it.
Signed-off-by: Nick Hu <nick.hu@sifive.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com> 
		
	 
 
		2021-10-20 10:59:17 +08:00 
	 
	
	
		  ..
	 
	
	
		
			
			
			
			
			
			2021-09-07 10:34:29 +08:00 
		 
	
		
			
			
			
			
			
			2021-09-07 10:34:29 +08:00 
		 
	
		
			
			
			
			
			
			2020-12-13 16:51:09 -07:00 
		 
	
		
			
			
			
			
			
			2019-08-15 13:42:28 +08:00 
		 
	
		
			
			
			
			
			
			2018-11-26 13:57:30 +08:00 
		 
	
		
			
			
			
			
			
			2018-05-15 21:44:05 -04:00 
		 
	
		
			
			
			
			
			
			2018-01-12 08:05:12 -05:00 
		 
	
		
			
			
			
			
			
			2021-09-07 10:34:29 +08:00 
		 
	
		
			
			
			
			
			
			2021-04-22 14:09:45 -04:00 
		 
	
		
			
			
			
			
			
			2020-07-01 15:01:22 +08:00 
		 
	
		
			
			
			
			
			
			2020-02-19 21:27:30 +08:00 
		 
	
		
			
			
			
			
			
			2020-05-18 21:19:23 -04:00 
		 
	
		
			
			
			
			
			
			2021-05-17 16:42:24 +08:00 
		 
	
		
			
			
			
			
			
			2019-10-18 09:04:01 +08:00 
		 
	
		
			
			
			
			
			
			2021-10-20 10:59:17 +08:00 
		 
	
		
			
			
			
			
			
			2018-05-07 09:34:12 -04:00 
		 
	
		
			
			
			
			
			
			2018-11-26 13:57:29 +08:00 
		 
	
		
			
			
			
			
			
			2018-01-12 08:05:12 -05:00 
		 
	
		
			
			
			
			
			
			2018-03-30 13:13:22 +08:00 
		 
	
		
			
			
			
			
			
			2021-10-07 16:08:23 +08:00 
		 
	
		
			
			
			
			
			
			2018-05-07 09:34:12 -04:00 
		 
	
		
			
			
			
			
			
			2018-05-29 14:44:21 +08:00 
		 
	
		
			
			
			
			
			
			2020-09-30 08:54:52 +08:00 
		 
	
		
			
			
			
			
			
			2020-08-14 14:38:53 +08:00 
		 
	
		
			
			
			
			
			
			2021-04-08 15:37:29 +08:00 
		 
	
		
			
			
			
			
			
			2020-09-30 08:54:45 +08:00 
		 
	
		
			
			
			
			
			
			2018-05-07 09:34:12 -04:00 
		 
	
		
			
			
			
			
			
			2021-02-03 03:38:41 -07:00 
		 
	
		
			
			
			
			
			
			2020-04-23 10:14:16 +08:00 
		 
	
		
			
			
			
			
			
			2020-06-25 13:24:10 -04:00 
		 
	
		
			
			
			
			
			
			2018-01-12 08:05:12 -05:00