16 lines
		
	
	
		
			229 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			16 lines
		
	
	
		
			229 B
		
	
	
	
		
			C
		
	
	
	
	
	
| #include "sys.h"
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| 
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| void sys_halt(void)
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| {
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|    asm volatile("hlt" ::: "memory");
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| }
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| 
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| void sys_enable_interrupts(void)
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| {
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|    asm volatile("sti" ::: "memory");
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| }
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| 
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| void sys_disable_interrupts(void)
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| {
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|    asm volatile("cli" ::: "memory");
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| } |