system.hhf

来自「High Level assembly language(HLA)软件」· HHF 代码 · 共 86 行

#if( ! @defined( system_hhf ))
?system_hhf := true;

namespace linux; @fast;

	// The __dummy[] arguments forces the use
	// of "()" after these macros so they better
	// match the C syntax.
	
	#macro mb(__dummy[]);
		returns
		({
			lock.add( 0, (type dword [esp]));
		},"" )
	#endmacro
	
	#macro rmb(__dummy[]);
		returns
		({
			lock.add( 0, (type dword [esp]));
		}, "" )
	#endmacro
	
	#macro wmb(__dummy[]);
		// Current intel CPUs already order writes.
	#endmacro
	
	#macro set_mb(__var, __value);
		returns
		({
			push( eax );
			mov( __value, eax );
			xchg( eax, __var );
			pop( eax );
		},"" )
	#endmacro
	
	#macro set_wmb(__var, __value );
		returns
		({
			push( eax );
			mov( __value, eax );
			mov( eax, __var );
			pop( eax );
		}, "", )
	#endmacro


	#if( @defined( __smp__ ))
		
		procedure __global_cli; @cdecl; @external;
		procedure __global_sti; @cdecl; @external;
		
	#endif
	
	#macro _cli;
		returns
		({
			#if( @defined( __smp__ ))
				__global_cli();
			#else
				cli();
			#endif
		}, "eax" )
	#endmacro
	
	
	
	#macro _sti;
		returns
		({
			#if( @defined( __smp__ ))
				__global_sti();
			#else
				sti();
			#endif
		}, "eax" )
	#endmacro
	
	
	
	
	

end linux;
#endif // system_hhf