2 * Copyright © <2010>, Intel Corporation.
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4 * This program is licensed under the terms and conditions of the
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5 * Eclipse Public License (EPL), version 1.0. The full text of the EPL is at
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6 * http://www.opensource.org/licenses/eclipse-1.0.php.
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9 //----- Open a Message Gateway -----
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10 // The parent thread is the recipient thread
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12 #if defined(_DEBUG)
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13 mov (1) EntrySignature:w 0x1111:w
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16 mov (8) GatewayPayload<1>:ud r0.0<8;8,1>:ud // Init payload to r0
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18 // r50- (16 GRFs) are the GRFs child thread can wtite to.
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20 // Reg base is at bit 28:21, Gateway size is at [bit 10:8]
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22 //000 00000110 0000000000 100 00000000 ==> 0000 0000 1100 0000 0000 0100 0000 0000
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23 mov (1) RegBase_GatewaySize:ud 0x00C00400:ud // Reg base + Gateway size (16 GRFs)
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26 //000 00110010 0000000000 100 00000000 ==> 0000 0110 0100 0000 0000 0100 0000 0000
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27 //mov (1) RegBase_GatewaySize:ud 0x06400400:ud // Reg base (r50 = 0x640 byte offset) + Gateway size (16 GRFs)
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29 //mov (1) DispatchID:ub r0.20:ub // Dispatch ID
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30 mov (1) GatewayPayloadKey:uw 0x1212:uw // Key=0x1212
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32 // Message descriptor
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34 // 27:24 FFID = 0x0011 for msg gateway
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35 // 23:20 msg length = 1 MRF
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36 // 19:16 Response length = 0
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38 // 1:0 SubFuncID = 00 for OpenGateway
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39 // Message descriptor: 0 000 0011 0001 0000 + 0 1 000000000000 00 ==> 0000 0011 0001 0000 0100 0000 0000 0000
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40 // Send message to gateway: the ack message is put into response GRF r49 ==> Good for debugging
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41 send (8) GatewayResponse:ud m7 GatewayPayload<8;8,1>:ud MSG_GW OGWMSGDSC
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43 //----- End of Open a Message Gateway -----
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