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  1. /*
  2.  * Copyright © 2012 Intel Corporation
  3.  *
  4.  * Permission is hereby granted, free of charge, to any person obtaining a
  5.  * copy of this software and associated documentation files (the "Software"),
  6.  * to deal in the Software without restriction, including without limitation
  7.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8.  * and/or sell copies of the Software, and to permit persons to whom the
  9.  * Software is furnished to do so, subject to the following conditions:
  10.  *
  11.  * The above copyright notice and this permission notice (including the next
  12.  * paragraph) shall be included in all copies or substantial portions of the
  13.  * Software.
  14.  *
  15.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18.  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19.  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20.  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21.  * IN THE SOFTWARE.
  22.  *
  23.  * Authors:
  24.  *    Xiang Haihao <haihao.xiang@intel.com>
  25.  */
  26.        
  27. /*
  28.  * __START
  29.  */
  30. __START:
  31.         mov             (16)    tmp_reg0<1>:ud                  0x0:ud {align1} ;
  32.         mov             (16)    tmp_reg2<1>:ud                  0x0:ud {align1} ;
  33.        
  34.         mov             (1)     tmp_slice_header.20<1>:ub       thread_id_ub {align1};                  /* dispatch id */
  35.         mov             (1)     tmp_slice_header.8<1>:ud        head_offset<0,1,0>:ud {align1};
  36.         mov             (1)     tmp_mfc_batchbuffer.20<1>:ub    thread_id_ub {align1};                  /* dispatch id */
  37.         mov             (1)     tmp_mfc_batchbuffer.8<1>:ud     batchbuffer_offset<0,1,0>:ud {align1};
  38.  
  39. __HEAD:
  40.         and.z.f0.0      (1)     null<1>:uw                      flags<0,1,0>:uw         FLAG_MASK_FIRST_OBJECT {align1};
  41.         (f0.0)jmpi      (1)     __PAK_OBJECT ;
  42.        
  43. __HEAD_LOOP:
  44.         mov             (8)     msg_reg0.0<1>:ud                tmp_slice_header<8,8,1>:ud {align1} ;
  45.  
  46. send (16)
  47.         msg_ind
  48.         ob_read_wb
  49.         null
  50.         data_port(
  51.                 OB_CACHE_TYPE,
  52.                 OB_READ,
  53.                 OB_CONTROL_0,
  54.                 BIND_IDX_MFC_SLICE_HEADER,
  55.                 OB_WRITE_COMMIT_CATEGORY,
  56.                 OB_HEADER_PRESENT
  57.         )
  58.         mlen 1
  59.         rlen ob_read_wb_len_slice_header
  60.         {align1};
  61.  
  62.         mov             (8)     msg_reg0.0<1>:ud                tmp_mfc_batchbuffer<8,8,1>:ud {align1} ;        
  63.         mov             (8)     msg_reg1.0<1>:ud                ob_read_wb0<8,8,1>:ud {align1} ;
  64.  
  65. send (16)
  66.         msg_ind
  67.         ob_write_wb
  68.         null
  69.         data_port(
  70.                 OB_CACHE_TYPE,
  71.                 OB_WRITE,
  72.                 OB_CONTROL_0,
  73.                 BIND_IDX_MFC_BATCHBUFFER,
  74.                 OB_WRITE_COMMIT_CATEGORY,
  75.                 OB_HEADER_PRESENT
  76.         )
  77.         mlen 2
  78.         rlen ob_write_wb_length
  79.         {align1};
  80.  
  81.         /* the new offset */
  82.         add             (1)     tmp_slice_header.8<1>:ud        tmp_slice_header.8<0,1,0>:ud    1:ud {align1} ;
  83.         add             (1)     tmp_mfc_batchbuffer.8<1>:ud     tmp_mfc_batchbuffer.8<0,1,0>:ud 1:ud {align1} ;
  84.  
  85.         add.z.f0.0      (1)     head_size<1>:w                  head_size<0,1,0>:w      -1:w {align1};
  86.         (-f0.0)jmpi     (1)     __HEAD_LOOP ;
  87.        
  88.