2 * Save scoreboard data before content switching
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3 * Copyright © <2010>, Intel Corporation.
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5 * This program is licensed under the terms and conditions of the
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6 * Eclipse Public License (EPL), version 1.0. The full text of the EPL is at
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7 * http://www.opensource.org/licenses/eclipse-1.0.php.
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10 // Module name: scoreboard_save_AS.asm
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12 // Save scoreboard data before content switching
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15 // r1 - r35 need to be saved
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16 // They are saved in a 2D surface with width of 32 and height of 64.
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17 // Each row corresponds to one GRF register in the following order
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18 // r4 - r35 : Scoreboard message
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19 // r1 - r3 : Scoreboard kernel control data
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21 mov (8) MSGHDR<1>:ud r0.0<8;8,1>:ud // Initialize message header payload with r0
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22 mov (1) MSGHDR.2:ud 0x0007001f:ud // for 8 registers
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24 mov (2) MSGHDR.0:ud 0:ud
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26 mov (16) MSGPAYLOADD(%1)<1> CMD_SB(%1)REGION(8,1) {Compr}
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28 send (8) NULLREG MSGHDR null:ud DWBWMSGDSC+0x00800000+AS_SAVE // Save r4 - r11
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30 mov (1) MSGHDR.1:ud 8:ud
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32 mov (16) MSGPAYLOADD(%1)<1> CMD_SB(%1+8)REGION(8,1) {Compr}
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34 send (8) NULLREG MSGHDR null:ud DWBWMSGDSC+0x00800000+AS_SAVE // Save r12 - r19
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36 mov (1) MSGHDR.1:ud 16:ud
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38 mov (16) MSGPAYLOADD(%1)<1> CMD_SB(%1+16)REGION(8,1) {Compr}
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40 send (8) NULLREG MSGHDR null:ud DWBWMSGDSC+0x00800000+AS_SAVE // Save r20 - r27
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42 mov (1) MSGHDR.1:ud 24:ud
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44 mov (16) MSGPAYLOADD(%1)<1> CMD_SB(%1+24)REGION(8,1) {Compr}
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46 send (8) NULLREG MSGHDR null:ud DWBWMSGDSC+0x00800000+AS_SAVE // Save r28 - r35
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48 mov (1) MSGHDR.1:ud 32:ud
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50 mov (16) MSGPAYLOADD(%1)<1> CMD_SB(%1+32)REGION(8,1) {Compr}
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52 send (8) NULLREG MSGHDR null:ud DWBWMSGDSC+0x00800000+AS_SAVE // Save r36 - r43
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54 mov (1) MSGHDR.1:ud 40:ud
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56 mov (16) MSGPAYLOADD(%1)<1> CMD_SB(%1+40)REGION(8,1) {Compr}
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58 send (8) NULLREG MSGHDR null:ud DWBWMSGDSC+0x00800000+AS_SAVE // Save r44 - r51
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60 mov (1) MSGHDR.1:ud 48:ud
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62 mov (16) MSGPAYLOADD(%1)<1> CMD_SB(%1+48)REGION(8,1) {Compr}
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64 send (8) NULLREG MSGHDR null:ud DWBWMSGDSC+0x00800000+AS_SAVE // Save r52 - r59
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66 mov (1) MSGHDR.1:ud 56:ud
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68 mov (16) MSGPAYLOADD(%1)<1> CMD_SB(%1+56)REGION(8,1) {Compr}
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70 send (8) NULLREG MSGHDR null:ud DWBWMSGDSC+0x00800000+AS_SAVE // Save r60 - r67
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72 // End of scoreboard_save_AS
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