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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5361 | serge | 1 | /* |
| 2 | * Set dependency control HW scoreboard kernel |
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| 3 | * Copyright © <2010>, Intel Corporation. |
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| 4 | * |
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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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| 8 | * |
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| 9 | */ |
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| 10 | // Kernel name: SetHWScoreboard.asm |
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| 11 | // |
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| 12 | // Set dependency control HW scoreboard kernel |
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| 13 | // |
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| 14 | |||
| 15 | // ---------------------------------------------------- |
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| 16 | // Main: SetHWScoreboard |
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| 17 | // ---------------------------------------------------- |
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| 18 | |||
| 19 | .kernel SetHWScoreboard |
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| 20 | |||
| 21 | SETHWSCOREBOARD: |
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| 22 | |||
| 23 | #ifdef _DEBUG |
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| 24 | // WA for FULSIM so we'll know which kernel is being debugged |
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| 25 | mov (1) acc0:ud 0xf0aa55a5:ud |
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| 26 | #endif |
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| 27 | |||
| 28 | #include "header.inc" |
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| 29 | #include "SetHWScoreboard_header.inc" |
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| 30 | |||
| 31 | // |
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| 32 | // Now, begin source code.... |
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| 33 | // |
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| 34 | |||
| 35 | .code |
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| 36 | |||
| 37 | // Separate the TotalMB so TotalMB will be multiple of 8 |
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| 38 | // and RemainderMB will hold the TotalMB%8 |
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| 39 | // |
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| 40 | and.z.f0.1 (1) RemainderMB<1>:uw TotalMB<0;1,0>:uw 0x0007:uw // number of %8 commands |
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| 41 | and.z.f0.0 (1) TotalMB<1>:uw TotalMB<0;1,0>:uw 0xfff8:uw // Number of 8-command blocks |
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| 42 | |||
| 43 | mov (1) MB_SHIFT_MASK_W<1>:uw 0x100*16+12:w // Set up shift values (12, 16) |
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| 44 | |||
| 45 | // Initialize common DAP read header |
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| 46 | // |
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| 47 | mov (8) MRF_READ_HEADER_SRC<1>:ud r0.0<8;8,1>:ud |
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| 48 | shl (1) MRF_READ_HEADER_SRC.2<1>:ud StartingMB<0;1,0>:uw 6:uw // Byte-aligned offset being read |
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| 49 | |||
| 50 | // Initialize Inter DAP write header |
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| 51 | mov (8) MRF_INTER_WRITE_HEADER<1>:ud r0.0<8;8,1>:ud |
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| 52 | |||
| 53 | (f0.0) jmpi (1) SetHWScoreboard_Remainder // Jump if TotalMB < 8 |
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| 54 | |||
| 55 | //------------------------------------------------------------------------ |
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| 56 | // Command buffer parsing loop |
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| 57 | // Each loop will handle 8 commands |
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| 58 | //------------------------------------------------------------------------ |
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| 59 | // |
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| 60 | SetHWScoreboard_Loop: |
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| 61 | // Load block 0 (Commands 0/1) |
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| 62 | mov (8) MRF_READ_HEADER0.0<1>:ud MRF_READ_HEADER_SRC.0<8;8,1>:ud |
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| 63 | send (16) CMD_BUFFER_W(0)<1> MRF_READ_HEADER0 null:uw DAPREAD RESP_LEN(4)+OWBRMSGDSC_SC+OWORD_8+BI_CMD_BUFFER |
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| 64 | |||
| 65 | // Load block 1 (Commands 2/3) |
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| 66 | mov (8) MRF_READ_HEADER1.0<1>:ud MRF_READ_HEADER_SRC.0<8;8,1>:ud |
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| 67 | add (1) MRF_READ_HEADER1.2<1>:ud MRF_READ_HEADER_SRC.2<0;1,0>:ud 128:ud // Point to next 2-command block |
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| 68 | send (16) CMD_BUFFER_W(4)<1> MRF_READ_HEADER1 null:uw DAPREAD RESP_LEN(4)+OWBRMSGDSC_SC+OWORD_8+BI_CMD_BUFFER |
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| 69 | |||
| 70 | // Load block 2 (Commands 4/5) |
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| 71 | mov (8) MRF_READ_HEADER2.0<1>:ud MRF_READ_HEADER_SRC.0<8;8,1>:ud |
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| 72 | add (1) MRF_READ_HEADER2.2<1>:ud MRF_READ_HEADER_SRC.2<0;1,0>:ud 256:ud // Point to next 2-command block |
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| 73 | send (16) CMD_BUFFER_W(8)<1> MRF_READ_HEADER2 null:uw DAPREAD RESP_LEN(4)+OWBRMSGDSC_SC+OWORD_8+BI_CMD_BUFFER |
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| 74 | |||
| 75 | // Load block 3 (Commands 6/7) |
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| 76 | mov (8) MRF_READ_HEADER3.0<1>:ud MRF_READ_HEADER_SRC.0<8;8,1>:ud |
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| 77 | add (1) MRF_READ_HEADER3.2<1>:ud MRF_READ_HEADER_SRC.2<0;1,0>:ud 384:ud // Point to next 2-command block |
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| 78 | send (16) CMD_BUFFER_W(12)<1> MRF_READ_HEADER3 null:uw DAPREAD RESP_LEN(4)+OWBRMSGDSC_SC+OWORD_8+BI_CMD_BUFFER |
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| 79 | |||
| 80 | // Start parsing commands |
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| 81 | $for(0; <16; 2) { |
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| 82 | and.nz.f0.1 (8) NULLREG CMD_BUFFER_D(%1,4)<0;1,0> IS_INTRA_MB:ud // Is it an "Intra" MB? |
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| 83 | or (1) CMD_BUFFER_D(%1,2)<1> CMD_BUFFER_D(%1,2)<0;1,0> BIT21:ud // Set "Use Scoreboard" for every MB |
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| 84 | shl (2) CMD_BUFFER_W(%1,2)<1> CMD_BUFFER_W(%1,14)<0;1,0> MB_SHIFT_MASK_B<2;2,1>:b // Set HW SB masks |
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| 85 | mov (2) CMD_BUFFER_B(%1,4)<2> CMD_BUFFER_B(%1,20)<2;2,1> // Set scoreboard (X,Y) for intra MB |
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| 86 | (-f0.1) mov (2) CMD_BUFFER_W(%1,2)<1> CMD_BUFFER_B(%1,20)<2;2,1> // Set scoreboard (X,Y) for inter MB |
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| 87 | (f0.1) jmpi (1) Parse_8_Loop_%1 |
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| 88 | |||
| 89 | // Inter Macroblock |
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| 90 | // Output MEDIA_OBJECT command in raster scan order |
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| 91 | mul (16) acc0<1>:uw CMD_BUFFER_B(%1,21)<0;1,0> PicWidthMB<0;1,0>:uw // MB offset = Y*W |
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| 92 | add (16) acc0<1>:uw acc0<8;8,1>:uw CMD_BUFFER_B(%1,20)<0;1,0> // MB offset = Y*W+X |
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| 93 | shl (1) MRF_INTER_WRITE_HEADER.2<1>:ud acc0.2<0;1,0>:uw 6:uw // Byte-aligned MB offset |
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| 94 | mov (16) MRF_INTER_WRITE_DATA0<1>:ud CMD_BUFFER_D(%1)<8;8,1> {Compr} // Copy entire command to inter buffer |
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| 95 | mov (16) CMD_BUFFER_D(%1)<1> 0:ud {Compr} // Clear original command |
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| 96 | send (16) NULLREGW MRF_INTER_WRITE_HEADER null:uw DAPWRITE MSG_LEN(2)+OWBWMSGDSC+OWORD_4+BI_CMD_BUFFER |
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| 97 | |||
| 98 | Parse_8_Loop_%1: |
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| 99 | } |
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| 100 | |||
| 101 | add.z.f0.0 (1) TotalMB<1>:w TotalMB<0;1,0>:w -8:w // Update remaining number of 8-command blocks |
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| 102 | |||
| 103 | // Output modified intra commands |
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| 104 | // Write block 0 |
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| 105 | mov (8) MRF_INTRA_WRITE_HEADER.0<1>:ud MRF_READ_HEADER_SRC.0<8;8,1>:ud |
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| 106 | $for(0; <4; 2) { |
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| 107 | mov (16) MRF_CMD_BUF_D(%1)<1> CMD_BUFFER_D(%1)<8;8,1> {Compr} |
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| 108 | } |
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| 109 | send (16) NULLREGW MRF_INTRA_WRITE_HEADER null:uw DAPWRITE MSG_LEN(4)+OWBWMSGDSC+OWORD_8+BI_CMD_BUFFER |
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| 110 | |||
| 111 | // Write block 1 |
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| 112 | mov (8) m1.0<1>:ud MRF_READ_HEADER_SRC.0<8;8,1>:ud |
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| 113 | add (1) m1.2<1>:ud MRF_READ_HEADER_SRC.2<0;1,0>:ud 128:ud // Point to next 2-command block |
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| 114 | mov (16) m2<1>:ud CMD_BUFFER_D(4)<8;8,1> {Compr} |
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| 115 | mov (16) m4<1>:ud CMD_BUFFER_D(6)<8;8,1> {Compr} |
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| 116 | send (16) NULLREGW m1 null:uw DAPWRITE MSG_LEN(4)+OWBWMSGDSC+OWORD_8+BI_CMD_BUFFER |
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| 117 | |||
| 118 | // Write block 2 |
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| 119 | add (1) MRF_INTRA_WRITE_HEADER.2<1>:ud MRF_READ_HEADER_SRC.2<0;1,0>:ud 256:ud // Point to next 2-command block |
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| 120 | $for(0; <4; 2) { |
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| 121 | mov (16) MRF_CMD_BUF_D(%1)<1> CMD_BUFFER_D(%1+8)<8;8,1> {Compr} |
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| 122 | } |
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| 123 | send (16) NULLREGW MRF_INTRA_WRITE_HEADER null:uw DAPWRITE MSG_LEN(4)+OWBWMSGDSC+OWORD_8+BI_CMD_BUFFER |
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| 124 | |||
| 125 | // Write block 3 |
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| 126 | add (1) m1.2<1>:ud MRF_READ_HEADER_SRC.2<0;1,0>:ud 384:ud // Point to next 2-command block |
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| 127 | mov (16) m2<1>:ud CMD_BUFFER_D(12)<8;8,1> {Compr} |
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| 128 | mov (16) m4<1>:ud CMD_BUFFER_D(14)<8;8,1> {Compr} |
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| 129 | send (16) NULLREGW m1 null:uw DAPWRITE MSG_LEN(4)+OWBWMSGDSC+OWORD_8+BI_CMD_BUFFER |
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| 130 | |||
| 131 | // Update message header for next DAP read |
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| 132 | add (1) MRF_READ_HEADER_SRC.2<1>:ud MRF_READ_HEADER_SRC.2<0;1,0>:ud 512:ud // Point to next block of 8-commands |
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| 133 | |||
| 134 | cmp.z.f0.1 (1) NULLREG RemainderMB<0;1,0>:w 0:uw // Check if remainder MB = 0 |
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| 135 | (-f0.0) jmpi (1) SetHWScoreboard_Loop // Continue if more command blocks remain |
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| 136 | |||
| 137 | SetHWScoreboard_Remainder: |
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| 138 | // f0.1 should have been set to indicate if RemainderMB = 0 |
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| 139 | // |
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| 140 | (f0.1) jmpi (1) SetHWScoreboard_Done // Stop if all commands have been updated |
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| 141 | |||
| 142 | // Blindly load next 8 commands anyway |
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| 143 | // |
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| 144 | // Load block 0 (Commands 0/1) |
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| 145 | mov (8) MRF_READ_HEADER0.0<1>:ud MRF_READ_HEADER_SRC.0<8;8,1>:ud |
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| 146 | send (16) CMD_BUFFER_W(0)<1> MRF_READ_HEADER0 null:uw DAPREAD RESP_LEN(4)+OWBRMSGDSC_SC+OWORD_8+BI_CMD_BUFFER |
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| 147 | |||
| 148 | // Load block 1 (Commands 2/3) |
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| 149 | mov (8) MRF_READ_HEADER1.0<1>:ud MRF_READ_HEADER_SRC.0<8;8,1>:ud |
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| 150 | add (1) MRF_READ_HEADER1.2<1>:ud MRF_READ_HEADER_SRC.2<0;1,0>:ud 128:ud // Point to next 2-command block |
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| 151 | send (16) CMD_BUFFER_W(4)<1> MRF_READ_HEADER1 null:uw DAPREAD RESP_LEN(4)+OWBRMSGDSC_SC+OWORD_8+BI_CMD_BUFFER |
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| 152 | |||
| 153 | // Load block 2 (Commands 4/5) |
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| 154 | mov (8) MRF_READ_HEADER2.0<1>:ud MRF_READ_HEADER_SRC.0<8;8,1>:ud |
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| 155 | add (1) MRF_READ_HEADER2.2<1>:ud MRF_READ_HEADER_SRC.2<0;1,0>:ud 256:ud // Point to next 2-command block |
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| 156 | send (16) CMD_BUFFER_W(8)<1> MRF_READ_HEADER2 null:uw DAPREAD RESP_LEN(4)+OWBRMSGDSC_SC+OWORD_8+BI_CMD_BUFFER |
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| 157 | |||
| 158 | // Load block 3 (Commands 6/7) |
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| 159 | mov (8) MRF_READ_HEADER3.0<1>:ud MRF_READ_HEADER_SRC.0<8;8,1>:ud |
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| 160 | add (1) MRF_READ_HEADER3.2<1>:ud MRF_READ_HEADER_SRC.2<0;1,0>:ud 384:ud // Point to next 2-command block |
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| 161 | send (16) CMD_BUFFER_W(12)<1> MRF_READ_HEADER3 null:uw DAPREAD RESP_LEN(4)+OWBRMSGDSC_SC+OWORD_8+BI_CMD_BUFFER |
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| 162 | |||
| 163 | // Initialize necessary pointers |
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| 164 | mov (1) a0.1<1>:ud ((CMD_BUFFER_REG_OFF+1)*0x10000+CMD_BUFFER_REG_OFF)*32 // a0.2:w points to command buffer (first half) |
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| 165 | // a0.3:w points to command buffer (second half) |
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| 166 | // Initialize Inter DAP write header |
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| 167 | mov (8) MRF_INTER_WRITE_HEADER<1>:ud r0.0<8;8,1>:ud |
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| 168 | |||
| 169 | SetHWScoreboard_Remainder_Loop: |
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| 170 | and.nz.f0.1 (8) NULLREG r[a0.2,4*4]<0;1,0>:ud IS_INTRA_MB:ud // Is it an "Intra" MB? |
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| 171 | add.z.f0.0 (1) RemainderMB<1>:w RemainderMB<0;1,0>:w -1:w // Decrement MB # |
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| 172 | or (1) r[a0.2,2*4]<1>:ud r[a0.2,2*4]<0;1,0>:ud BIT21:ud // Set "Use Scoreboard" for every MB |
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| 173 | shl (2) r[a0.2,2*2]<1>:uw r[a0.2,14*2]<0;1,0>:uw MB_SHIFT_MASK_B<2;2,1>:b // Set HW SB masks |
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| 174 | mov (2) r[a0.2,4*1]<2>:ub r[a0.2,5*4]<2;2,1>:ub // Set scoreboard (X,Y) for intra MB |
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| 175 | |||
| 176 | (-f0.1) mov (2) r[a0.2,4*1]<1>:uw r[a0.2,5*4]<2;2,1>:ub // Set scoreboard (X,Y) for inter MB |
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| 177 | (f0.1) jmpi (1) Output_Remainder_Intra |
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| 178 | |||
| 179 | // Inter Macroblock |
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| 180 | // Output MEDIA_OBJECT command in raster scan order |
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| 181 | mul (16) acc0<1>:uw r[a0.2,21]<0;1,0>:ub PicWidthMB<0;1,0>:uw // MB offset = Y*W |
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| 182 | add (16) acc0<1>:uw acc0<8;8,1>:uw r[a0.2,20]<0;1,0>:ub // MB offset = Y*W+X |
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| 183 | shl (1) MRF_INTER_WRITE_HEADER.2<1>:ud acc0.2<0;1,0>:uw 6:uw // Byte-aligned MB offset |
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| 184 | mov (16) MRF_INTER_WRITE_DATA0<1>:ud r[a0.2]<8;8,1>:ud {Compr} // Copy entire command to inter buffer |
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| 185 | mov (16) r[a0.2]<1>:ud 0:ud {Compr} // Clear original command |
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| 186 | send (16) NULLREGW MRF_INTER_WRITE_HEADER null:uw DAPWRITE MSG_LEN(2)+OWBWMSGDSC+OWORD_4+BI_CMD_BUFFER |
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| 187 | |||
| 188 | Output_Remainder_Intra: |
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| 189 | // Intra MB command always output |
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| 190 | mov (8) MRF_INTRA_WRITE_HEADER.0<1>:ud MRF_READ_HEADER_SRC.0<8;8,1>:ud |
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| 191 | mov (16) MRF_CMD_BUF_D(0)<1> r[a0.2]<8;8,1>:ud {Compr} // Copy entire command to intra buffer |
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| 192 | send (16) NULLREGW MRF_INTRA_WRITE_HEADER null:uw DAPWRITE MSG_LEN(2)+OWBWMSGDSC+OWORD_4+BI_CMD_BUFFER |
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| 193 | |||
| 194 | add (1) MRF_READ_HEADER_SRC.2<1>:ud MRF_READ_HEADER_SRC.2<0;1,0>:ud 64:ud // Point to next command |
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| 195 | add (1) a0.1<1>:ud a0.1<0;1,0>:ud 0x00400040:ud // Update pointers |
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| 196 | (-f0.0) jmpi (1) SetHWScoreboard_Remainder_Loop |
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| 197 | |||
| 198 | // All MBs have been decoded. Terminate the thread now |
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| 199 | // |
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| 200 | SetHWScoreboard_Done: |
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| 201 | END_THREAD |
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| 202 | |||
| 203 | #if !defined(COMBINED_KERNEL) // For standalone kernel only |
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| 204 | .end_code |
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| 205 | |||
| 206 | .end_kernel |
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| 207 | #endif |
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| 208 | |||
| 209 | // End of SetHWScoreboard |