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/*
* Set dependency control HW scoreboard kernel for MBAFF picture
* 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.
*
*/
// Kernel name: SetHWScoreboard_MBAFF.asm
//
// Set dependency control HW scoreboard kernel for MBAFF picture
//
// ----------------------------------------------------
// Main: SetHWScoreboard_MBAFF
// ----------------------------------------------------
.kernel SetHWScoreboard_MBAFF
SETHWSCOREBOARD_MBAFF:
#ifdef _DEBUG
// WA for FULSIM so we'll know which kernel is being debugged
mov (1) acc0:ud 0xf1aa55a5:ud
#endif
#include "header.inc"
#include "SetHWScoreboard_header.inc"
//
// Now, begin source code....
//
.code
// Separate the TotalMB so TotalMB will be multiple of 8
// and RemainderMB will hold the TotalMB%8
//
and.z.f0.1 (1) RemainderMB<1>:uw TotalMB<0;1,0>:uw 0x0007:uw // number of %8 commands
and.z.f0.0 (1) TotalMB<1>:uw TotalMB<0;1,0>:uw 0xfff8:uw // Number of 8-command blocks
// Initialize common DAP read header
//
mov (8) MRF_READ_HEADER_SRC<1>:ud r0.0<8;8,1>:ud
shl (1) MRF_READ_HEADER_SRC.2<1>:ud StartingMB<0;1,0>:uw 6:uw // Byte-aligned offset being read
// Initialize Inter DAP write header
mov (8) MRF_INTER_WRITE_HEADER<1>:ud r0.0<8;8,1>:ud
(f0.0) jmpi (1) SetHWScoreboard_MBAFF_Remainder // Jump if TatalMB < 8
//------------------------------------------------------------------------
// Command buffer parsing loop
// Each loop will handle 8 commands
//------------------------------------------------------------------------
//
SetHWScoreboard_MBAFF_Loop:
// Load block 0 (Commands 0/1)
mov (8) MRF_READ_HEADER0.0<1>:ud MRF_READ_HEADER_SRC.0<8;8,1>:ud
send (16) CMD_BUFFER_W(0)<1> MRF_READ_HEADER0 null:uw DAPREAD RESP_LEN(4)+OWBRMSGDSC_SC+OWORD_8+BI_CMD_BUFFER
// Load block 1 (Commands 2/3)
mov (8) MRF_READ_HEADER1.0<1>:ud MRF_READ_HEADER_SRC.0<8;8,1>:ud
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
send (16) CMD_BUFFER_W(4)<1> MRF_READ_HEADER1 null:uw DAPREAD RESP_LEN(4)+OWBRMSGDSC_SC+OWORD_8+BI_CMD_BUFFER
// Load block 2 (Commands 4/5)
mov (8) MRF_READ_HEADER2.0<1>:ud MRF_READ_HEADER_SRC.0<8;8,1>:ud
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
send (16) CMD_BUFFER_W(8)<1> MRF_READ_HEADER2 null:uw DAPREAD RESP_LEN(4)+OWBRMSGDSC_SC+OWORD_8+BI_CMD_BUFFER
// Load block 3 (Commands 6/7)
mov (8) MRF_READ_HEADER3.0<1>:ud MRF_READ_HEADER_SRC.0<8;8,1>:ud
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
send (16) CMD_BUFFER_W(12)<1> MRF_READ_HEADER3 null:uw DAPREAD RESP_LEN(4)+OWBRMSGDSC_SC+OWORD_8+BI_CMD_BUFFER
// Start parsing commands
$for(0; <16; 2) {
// Adjust MB Y origin for field MBs
//
mov (2) TEMP_FD_X_W<1>:uw CMD_BUFFER_B(%1,20)<2;2,1> // Initialize temp (X,Y) location
and.nz.f0.1 (8) NULLREG CMD_BUFFER_D(%1,4)<0;1,0> IS_BOT_FD:ud // Is it a "Bottom Field MB"?
and.nz.f0.0 (8) NULLREG CMD_BUFFER_D(%1,4)<0;1,0> IS_FIELD_MB:ud // Is it a "Field MB"?
mul (8) acc0<1>:w CMD_BUFFER_B(%1,21)<0;1,0> 2:w
(-f0.1) mov (1) TEMP_FD_Y_W<1>:w acc0<0;1,0>:w
(f0.1) add (1) TEMP_FD_Y_W<1>:w acc0<0;1,0>:w 1:w
(-f0.0) mov (1) TEMP_FD_Y_W<1>:w CMD_BUFFER_B(%1,21)<0;1,0> // Discard field MB Y origin handling
and.nz.f0.0 (8) NULLREG CMD_BUFFER_D(%1,4)<0;1,0> IS_INTRA_MB:ud // Is it an "Intra" MB?
and.nz.f0.1 (8) NULLREG TEMP_FD_Y_W<0;1,0>:uw BIT0 // Is it "Bottom MB"?
or (1) CMD_BUFFER_D(%1,2)<1> CMD_BUFFER_D(%1,2)<0;1,0> BIT21 // Set "Use Scoreboard"
mov (2) CMD_BUFFER_W(%1,2)<1> TEMP_FD_X_W<2;2,1>:uw // Set scoreboard (X,Y) for inter MB
(f0.0) jmpi (1) SET_SB_MBAFF_INTRA_%1 // Jump if intra MB.
// Inter Macroblock
// Output MEDIA_OBJECT command in raster scan order
mul (16) acc0<1>:uw TEMP_FD_Y_W<0;1,0>:uw PicWidthMB<0;1,0>:uw // MB offset = Y*W
add (16) acc0<1>:uw acc0<8;8,1>:uw TEMP_FD_X_W<0;1,0>:uw // MB offset = Y*W+X
shl (1) MRF_INTER_WRITE_HEADER.2<1>:ud acc0.2<0;1,0>:uw 6:uw // Byte-aligned MB offset
mov (16) MRF_INTER_WRITE_DATA0<1>:ud CMD_BUFFER_D(%1)<8;8,1> {Compr} // Copy entire command to inter buffer
mov (16) CMD_BUFFER_D(%1)<1> 0:ud {Compr} // Clear original command
send (16) NULLREGW MRF_INTER_WRITE_HEADER null:uw DAPWRITE MSG_LEN(2)+OWBWMSGDSC+OWORD_4+BI_CMD_BUFFER
jmpi (1) NEXT_MB_MBAFF_%1 // Done for inter MB. Move to next MB.
SET_SB_MBAFF_INTRA_%1:
// Intra MB
//
and.nz.f0.0 (8) NULLREG CMD_BUFFER_D(%1,4)<0;1,0> IS_FIELD_MB:ud // Is it an "Field" MB?
(f0.1) sel (2) MB_MASK_D<1>:ud BOT_FD_MASK1_D<2;2,1>:ud TOP_FD_MASK1_D<2;2,1>:ud // Assume field MB
mov (1) TEMP_INTRA_FLAG_W<1>:uw CMD_BUFFER_W(%1,14)<0;1,0> // Don't want to alter original in-line data
(f0.0) jmpi (1) SET_SB_MBAFF_%1 // Jump if it's really field MB
// Frame MB
//
// Derive E'
and.nz.f0.0 (8) NULLREG CMD_BUFFER_W(%1,14)<0;1,0> E_FLAG // Is "E" = 1
(f0.1) sel (2) MB_MASK_D<1>:ud BOT_FM_MASK1_D<2;2,1>:ud TOP_FM_MASK1_D<2;2,1>:ud
and.z.f0.1 (8) NULLREG CMD_BUFFER_W(%1,14)<0;1,0> A_FLAG // "A" = 0?
(f0.0) jmpi (1) SET_SB_MBAFF_%1 // If "E" flag = 1, skip the rest of derivation
(f0.1) and.nz.f0.1 (8) NULLREG CMD_BUFFER_D(%1,4)<0;1,0> IS_INTRA8X8
(f0.1) and.nz.f0.1 (8) NULLREG CMD_BUFFER_W(%1,14)<0;1,0> F_FLAG
(f0.1) or (1) TEMP_INTRA_FLAG_W<1>:uw CMD_BUFFER_W(%1,14)<0;1,0> E_FLAG
SET_SB_MBAFF_%1:
and.nz.f0.1 (16) NULLREGW TEMP_INTRA_FLAG_W<0;1,0>:uw MB_MASK_B<0;8,1>:ub
shl (1) CMD_BUFFER_W(%1,2)<1> f0.1<0;1,0>:uw 12:w // Masks 0-3
and (1) CMD_BUFFER_W(%1,3)<1> f0.1<0;1,0>:uw 0xf000:uw // Masks 4-7
mov (2) CMD_BUFFER_B(%1,4)<2> TEMP_FD_X_B<4;2,2>:ub // Set scoreboard (X,Y) for intra MB
NEXT_MB_MBAFF_%1:
}
add.z.f0.0 (1) TotalMB<1>:w TotalMB<0;1,0>:w -8:w // Update remaining number of 8-command blocks
// Output modified intra commands
// Write block 0
mov (8) MRF_INTRA_WRITE_HEADER.0<1>:ud MRF_READ_HEADER_SRC.0<8;8,1>:ud
$for(0; <4; 2) {
mov (16) MRF_CMD_BUF_D(%1)<1> CMD_BUFFER_D(%1)<8;8,1> {Compr}
}
send (16) NULLREGW MRF_INTRA_WRITE_HEADER null:uw DAPWRITE MSG_LEN(4)+OWBWMSGDSC+OWORD_8+BI_CMD_BUFFER
// Write block 1
mov (8) m1.0<1>:ud MRF_READ_HEADER_SRC.0<8;8,1>:ud
add (1) m1.2<1>:ud MRF_READ_HEADER_SRC.2<0;1,0>:ud 128:ud // Point to next 2-command block
mov (16) m2<1>:ud CMD_BUFFER_D(4)<8;8,1> {Compr}
mov (16) m4<1>:ud CMD_BUFFER_D(6)<8;8,1> {Compr}
send (16) NULLREGW m1 null:uw DAPWRITE MSG_LEN(4)+OWBWMSGDSC+OWORD_8+BI_CMD_BUFFER
// Write block 2
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
$for(0; <4; 2) {
mov (16) MRF_CMD_BUF_D(%1)<1> CMD_BUFFER_D(%1+8)<8;8,1> {Compr}
}
send (16) NULLREGW MRF_INTRA_WRITE_HEADER null:uw DAPWRITE MSG_LEN(4)+OWBWMSGDSC+OWORD_8+BI_CMD_BUFFER
// Write block 3
add (1) m1.2<1>:ud MRF_READ_HEADER_SRC.2<0;1,0>:ud 384:ud // Point to next 2-command block
mov (16) m2<1>:ud CMD_BUFFER_D(12)<8;8,1> {Compr}
mov (16) m4<1>:ud CMD_BUFFER_D(14)<8;8,1> {Compr}
send (16) NULLREGW m1 null:uw DAPWRITE MSG_LEN(4)+OWBWMSGDSC+OWORD_8+BI_CMD_BUFFER
// Update message header for next DAP read
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
cmp.z.f0.1 (1) NULLREG RemainderMB<0;1,0>:w 0:uw // Check if remaining MB = 0
(-f0.0) jmpi (1) SetHWScoreboard_MBAFF_Loop // Continue if more command blocks remain
SetHWScoreboard_MBAFF_Remainder:
// f0.1 should have been set to indicate if RemainderMB = 0
//
(f0.1) jmpi (1) SetHWScoreboard_MBAFF_Done // Stop if all commands have been updated
// Blindly load next 8 commands anyway
//
// Load block 0 (Commands 0/1)
mov (8) MRF_READ_HEADER0.0<1>:ud MRF_READ_HEADER_SRC.0<8;8,1>:ud
send (16) CMD_BUFFER_W(0)<1> MRF_READ_HEADER0 null:uw DAPREAD RESP_LEN(4)+OWBRMSGDSC_SC+OWORD_8+BI_CMD_BUFFER
// Load block 1 (Commands 2/3)
mov (8) MRF_READ_HEADER1.0<1>:ud MRF_READ_HEADER_SRC.0<8;8,1>:ud
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
send (16) CMD_BUFFER_W(4)<1> MRF_READ_HEADER1 null:uw DAPREAD RESP_LEN(4)+OWBRMSGDSC_SC+OWORD_8+BI_CMD_BUFFER
// Load block 2 (Commands 4/5)
mov (8) MRF_READ_HEADER2.0<1>:ud MRF_READ_HEADER_SRC.0<8;8,1>:ud
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
send (16) CMD_BUFFER_W(8)<1> MRF_READ_HEADER2 null:uw DAPREAD RESP_LEN(4)+OWBRMSGDSC_SC+OWORD_8+BI_CMD_BUFFER
// Load block 3 (Commands 6/7)
mov (8) MRF_READ_HEADER3.0<1>:ud MRF_READ_HEADER_SRC.0<8;8,1>:ud
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
send (16) CMD_BUFFER_W(12)<1> MRF_READ_HEADER3 null:uw DAPREAD RESP_LEN(4)+OWBRMSGDSC_SC+OWORD_8+BI_CMD_BUFFER
// Initialize necessary pointers
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)
// a0.3:w points to command buffer (second half)
// Initialize Inter DAP write header
mov (8) MRF_INTER_WRITE_HEADER<1>:ud r0.0<8;8,1>:ud
SetHWScoreboard_MBAFF_Remainder_Loop:
// Adjust MB Y origin for field MBs
//
mov (2) TEMP_FD_X_W<1>:uw r[a0.2,5*4]<2;2,1>:ub // Initialize temp (X,Y) location
and.nz.f0.1 (8) NULLREG r[a0.2,4*4]<0;1,0>:ud IS_BOT_FD:ud // Is it a "Bottom Field MB"?
and.nz.f0.0 (8) NULLREG r[a0.2,4*4]<0;1,0>:ud IS_FIELD_MB:ud // Is it a "Field MB"?
mul (8) acc0<1>:w r[a0.2,21]<0;1,0>:ub 2:w
(-f0.1) mov (1) TEMP_FD_Y_W<1>:w acc0<0;1,0>:w
(f0.1) add (1) TEMP_FD_Y_W<1>:w acc0<0;1,0>:w 1:w
(-f0.0) mov (1) TEMP_FD_Y_W<1>:w r[a0.2,5*4+1]<0;1,0>:ub // Discard field MB Y origin handling
and.nz.f0.0 (8) NULLREG r[a0.2,4*4]<0;1,0>:ud IS_INTRA_MB:ud // Is it an "Intra" MB?
add.z.f0.1 (1) RemainderMB<1>:w RemainderMB<0;1,0>:w -1:w // Decrement MB #
or (1) r[a0.2,2*4]<1>:ud r[a0.2,2*4]<0;1,0>:ud BIT21:ud // Set "Use Scoreboard"
mov (2) r[a0.2,2*2]<1>:uw TEMP_FD_X_W<2;2,1>:uw // Set scoreboard (X,Y) for inter MB
(f0.0) jmpi (1) SET_SB_MBAFF_REM_INTRA // Jump if intra MB.
// Inter Macroblock
// Output MEDIA_OBJECT command in raster scan order
mul (16) acc0<1>:uw TEMP_FD_Y_W<0;1,0>:uw PicWidthMB<0;1,0>:uw // MB offset = Y*W
add (16) acc0<1>:uw acc0<8;8,1>:uw TEMP_FD_X_W<0;1,0>:uw // MB offset = Y*W+X
shl (1) MRF_INTER_WRITE_HEADER.2<1>:ud acc0.2<0;1,0>:uw 6:uw // Byte-aligned MB offset
mov (16) MRF_INTER_WRITE_DATA0<1>:ud r[a0.2]<8;8,1>:ud {Compr} // Copy entire command to inter buffer
mov (16) r[a0.2]<1>:ud 0:ud {Compr} // Clear original command
send (16) NULLREGW MRF_INTER_WRITE_HEADER null:uw DAPWRITE MSG_LEN(2)+OWBWMSGDSC+OWORD_4+BI_CMD_BUFFER
jmpi (1) Output_MBAFF_Remainder_Intra // Done for inter MB. Move to dump intra MB.
SET_SB_MBAFF_REM_INTRA:
// Intra MB
//
and.nz.f0.1 (8) NULLREG TEMP_FD_Y_W<0;1,0>:uw BIT0:ud // Is it "Bottom MB"?
and.nz.f0.0 (8) NULLREG r[a0.2,4*4]<0;1,0>:ud IS_FIELD_MB:ud // Is it "Field MB"?
mov (1) TEMP_INTRA_FLAG_W<1>:uw r[a0.2,14*2]<0;1,0>:uw // Don't want to alter original in-line data
(f0.1) sel (2) MB_MASK_D<1>:ud BOT_FD_MASK1_D<2;2,1>:ud TOP_FD_MASK1_D<2;2,1>:ud // Assume field MB
(f0.0) jmpi (1) SET_SB_MBAFF_REM // Jump if it's really field MB
// Frame MB
//
// Derive E'
and.nz.f0.0 (8) NULLREG r[a0.2,14*2]<0;1,0>:uw E_FLAG // Is "E" = 1
(f0.1) sel (2) MB_MASK_D<1>:ud BOT_FM_MASK1_D<2;2,1>:ud TOP_FM_MASK1_D<2;2,1>:ud
and.z.f0.1 (8) NULLREG r[a0.2,14*2]<0;1,0>:uw A_FLAG // "A" = 0?
(f0.0) jmpi (1) SET_SB_MBAFF_REM // If "E" flag = 1, skip the rest of derivation
(f0.1) and.nz.f0.1 (8) NULLREG r[a0.2,4*4]<0;1,0>:ud IS_INTRA8X8
(f0.1) and.nz.f0.1 (8) NULLREG r[a0.2,14*2]<0;1,0>:uw F_FLAG
(f0.1) or (1) TEMP_INTRA_FLAG_W<1>:uw r[a0.2,14*2]<0;1,0>:uw E_FLAG
SET_SB_MBAFF_REM:
and.nz.f0.0 (16) NULLREGW TEMP_INTRA_FLAG_W<0;1,0>:uw MB_MASK_B<0;8,1>:ub
add.z.f0.1 (1) RemainderMB<1>:w RemainderMB<0;1,0>:w 0:w // Check remaining MB #
shl (1) r[a0.2,2*2]<1>:uw f0.0<0;1,0>:uw 12:w // Masks 0-3
and (1) r[a0.2,3*2]<1>:uw f0.0<0;1,0>:uw 0xf000:uw // Masks 4-7
mov (2) r[a0.2,4*1]<2>:ub TEMP_FD_X_B<4;2,2>:ub // Set scoreboard (X,Y) for intra MB
Output_MBAFF_Remainder_Intra:
// Intra MB command always output
mov (8) MRF_INTRA_WRITE_HEADER.0<1>:ud MRF_READ_HEADER_SRC.0<8;8,1>:ud
mov (16) MRF_CMD_BUF_D(0)<1> r[a0.2]<8;8,1>:ud {Compr} // Copy entire command to intra buffer
send (16) NULLREGW MRF_INTRA_WRITE_HEADER null:uw DAPWRITE MSG_LEN(2)+OWBWMSGDSC+OWORD_4+BI_CMD_BUFFER
add (1) MRF_READ_HEADER_SRC.2<1>:ud MRF_READ_HEADER_SRC.2<0;1,0>:ud 64:ud // Point to next command
add (1) a0.1<1>:ud a0.1<0;1,0>:ud 0x00400040:ud // Update pointers
(-f0.1) jmpi (1) SetHWScoreboard_MBAFF_Remainder_Loop
// All MBs have been decoded. Terminate the thread now
//
SetHWScoreboard_MBAFF_Done:
END_THREAD
#if !defined(COMBINED_KERNEL) // For standalone kernel only
.end_code
.end_kernel
#endif
// End of SetHWScoreboard_MBAFF
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