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Terry A. Davis authored and minexew committed 2018-09-08 21:45:45 +02:00
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TempleOS/Doc/MultiCore.TXT
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@@ -6,7 +6,7 @@ Only tasks on core#0 can have windows, but other cores can help render them.
Each core has a "seth task" which is the father of all tasks on that core. Adam is the seth task on core 0.
You give a job to a seth task with $LK,"MPJob","MN:MPJob"$() and get the result with $LK,"MPJobResult","MN:MPJobResult"$(). You spawn a task on another core with $LK,"MPSpawn","MN:MPSpawn"$().
You give a job to a seth task with $LK,"JobQue","MN:JobQue"$() and get the result with $LK,"GetResult","MN:GetResult"$(). You spawn a task on another core with $LK,"Spawn","MN:Spawn"$().
Note: you must use the $FG,2$LOCK$FG$ asm prefix when changing shared structures in a multicore environment. The $LK,"LBts","MN:LBts"$(), $LK,"LBtr","MN:LBtr"$() and $LK,"LBtc","MN:LBtc"$() instructions have $FG,2$LOCK$FG$ prefixes. The compiler has a $FG,2$lock{}$FG$ feature but it doesn't work well. See $LK-A,"::/TempleOS/Demo/MultiCore/Lock.CPP"$.