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