Subversion Repositories s1_core

// ========== Copyright Header Begin ==========================================

// 

// OpenSPARC T1 Processor File: lsu_asi_decode.v

// Copyright (c) 2006 Sun Microsystems, Inc.  All Rights Reserved.

// DO NOT ALTER OR REMOVE COPYRIGHT NOTICES.

// 

// The above named program is free software; you can redistribute it and/or

// modify it under the terms of the GNU General Public

// License version 2 as published by the Free Software Foundation.

// 

// The above named program is distributed in the hope that it will be 

// useful, but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

// General Public License for more details.

// 

// You should have received a copy of the GNU General Public

// License along with this work; if not, write to the Free Software

// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.

// 

// ========== Copyright Header End ============================================

////////////////////////////////////////////////////////////////////////

/*

//      Description:    ASI Decode for LSU

*/

////////////////////////////////////////////////////////////////////////

// Global header file includes

////////////////////////////////////////////////////////////////////////

`include        "sys.h" // system level definition file which contains the

                                        // time scale definition

////////////////////////////////////////////////////////////////////////

// Local header file includes / local defines

////////////////////////////////////////////////////////////////////////    

module lsu_asi_decode (/*AUTOARG*/

   // Outputs

   asi_internal_d, nucleus_asi_d, primary_asi_d, secondary_asi_d,

   lendian_asi_d, nofault_asi_d, quad_asi_d, binit_quad_asi_d,

   dcache_byp_asi_d, tlb_lng_ltncy_asi_d, tlb_byp_asi_d,

   as_if_user_asi_d, atomic_asi_d, blk_asi_d, dc_diagnstc_asi_d,

   dtagv_diagnstc_asi_d, wr_only_asi_d, rd_only_asi_d, unimp_asi_d,

   ifu_nontlb_asi_d, recognized_asi_d, ifill_tlb_asi_d,

   dfill_tlb_asi_d, rd_only_ltlb_asi_d, wr_only_ltlb_asi_d,

   phy_use_ec_asi_d, phy_byp_ec_asi_d, mmu_rd_only_asi_d,

   intrpt_disp_asi_d, dmmu_asi58_d, immu_asi50_d,

   // Inputs

   asi_d

   );

input   [7:0]    asi_d ;

output          asi_internal_d ;

output          nucleus_asi_d ;

output          primary_asi_d ;

output          secondary_asi_d ;

output          lendian_asi_d ;

output          nofault_asi_d ;

output          quad_asi_d ;

output          binit_quad_asi_d ;

output          dcache_byp_asi_d ;

output          tlb_lng_ltncy_asi_d ;

output          tlb_byp_asi_d ;

output          as_if_user_asi_d ;

output          atomic_asi_d ;

output          blk_asi_d ;

//output                blk_cmt_asi_d ;

output          dc_diagnstc_asi_d;

output          dtagv_diagnstc_asi_d;

output          wr_only_asi_d ;

output          rd_only_asi_d ;

output          unimp_asi_d ;

output          ifu_nontlb_asi_d ;      // non-tlb asi's in ifu

output          recognized_asi_d ;

output          ifill_tlb_asi_d ;       // itlb fill asi

output          dfill_tlb_asi_d ;       // dtlb fill asi

output          rd_only_ltlb_asi_d ;    // read-only long-latency asi

output          wr_only_ltlb_asi_d ;    // write-only long-latency asi

output          phy_use_ec_asi_d ;

output          phy_byp_ec_asi_d ;

output          mmu_rd_only_asi_d ;     // does not include asi with va

output          intrpt_disp_asi_d ;

output          dmmu_asi58_d ;

output    immu_asi50_d;

wire    quad_ldd_real, quad_ldd_real_little ;

wire    asi_if_user_prim_all_d,asi_if_user_sec_all_d ;

wire    asi_if_user_prim_d,asi_if_user_sec_d ;

wire    nucleus_asi_exact_d ;

wire    prim_asi_exact_d ;

wire    phy_use_ec_asi ;

wire    phy_byp_ec_asi ;

wire    sec_asi_exact_d ;

wire    idemap,ddemap,ddata_in,ddaccess ;

wire    dtag_read,idata_in,idaccess,invld_all,itag_read ;

wire    blk_asif_usr_plittle, blk_asif_usr_slittle ;

wire    blk_plittle, blk_slittle ;

wire    blk_asif_usr_p, blk_asif_usr_s ;

wire    blk_cmt_p, blk_cmt_s;

wire    blk_p, blk_s ;

wire    binit_nucleus_d, binit_nucleus_little_d ;

wire    real_mem_little,real_io_little ;

   wire unimp_CD_prm;

   wire unimp_CD_sec;

// Start decode in d-stage. Required late e-stage. The logic could

// be moved to the e-stage to save staging flops.

wire    dtsb_8k_ptr, dtsb_64k_ptr, dtsb_dir_ptr;

wire    itsb_8k_ptr, itsb_64k_ptr;

assign  dtsb_8k_ptr = (asi_d[7:0] == 8'h59) ;

assign  dtsb_64k_ptr = (asi_d[7:0] == 8'h5A) ;

assign  dtsb_dir_ptr = (asi_d[7:0] == 8'h5B) ;

assign  itsb_8k_ptr = (asi_d[7:0] == 8'h51) ;

assign  itsb_64k_ptr = (asi_d[7:0] == 8'h52) ;

assign  mmu_rd_only_asi_d =

        dtsb_8k_ptr | dtsb_64k_ptr | dtsb_dir_ptr | itsb_8k_ptr | itsb_64k_ptr ;

assign intrpt_disp_asi_d = (asi_d[7:0] == 8'h73) ; // INTR_W 

assign  dmmu_asi58_d =  (asi_d[7:0] == 8'h58) ;

assign  immu_asi50_d =  (asi_d[7:0] == 8'h50) ;

// ASI Internal Registers - switches out thread among other things

assign  asi_internal_d =

        (asi_d[7:0] == 8'h40) |  // streaming/ma

        (asi_d[7:0] == 8'h45) |  // LSU Control 

        (asi_d[7:0] == 8'h50) | // I-TSB Tag Target/SFSR/TSB/Tag-Access

        itsb_8k_ptr           | // I-TSB 8K Ptr 

        itsb_64k_ptr          | // I-TSB 64K Ptr

        dmmu_asi58_d |

        //(asi_d[7:0] == 8'h58) | // D-TSB Tag Target/SFSR/SFAR/TSB/Tag-Access/VA-PA-Watchpt

        (asi_d[7:0] == 8'h21) | // Primary/Secondary Context

        (asi_d[7:0] == 8'h20) | // Scratchpad.

        (asi_d[7:0] == 8'h25) | // Queue

        (asi_d[7:0] == 8'h4F) | // Hyp Scratchpad

        dtsb_8k_ptr           | // D-TSB 8K Ptr

        dtsb_64k_ptr          | // D-TSB 64K Ptr

        dtsb_dir_ptr          | // D-TSB Direct Ptr

        (asi_d[7:0] == 8'h72) | // INTR_RECEIVE

        intrpt_disp_asi_d     | // INTR_W

        (asi_d[7:0] == 8'h74) | // INTR_R

        (asi_d[7:0] == 8'h44) | // Self-Timed Margin Ctl

        (asi_d[7:0] == 8'h31) | // dmmu_zctxt_ps0_tsb

        (asi_d[7:0] == 8'h32) | // dmmu_zctxt_ps1_tsb

        (asi_d[7:0] == 8'h39) | // dmmu_nzctxt_ps0_tsb

        (asi_d[7:0] == 8'h3A) | // dmmu_nzctxt_ps1_tsb

        (asi_d[7:0] == 8'h33) | // dmmu_zctxt_cfg_tsb

        (asi_d[7:0] == 8'h3B) | // dmmu_nzctxt_cfg_tsb

        (asi_d[7:0] == 8'h35) | // immu_zctxt_ps0_tsb

        (asi_d[7:0] == 8'h36) | // immu_zctxt_ps1_tsb

        (asi_d[7:0] == 8'h3D) | // immu_nzctxt_ps0_tsb

        (asi_d[7:0] == 8'h3E) | // immu_nzctxt_ps1_tsb

        (asi_d[7:0] == 8'h37) | // immu_zctxt_cfg_tsb

        (asi_d[7:0] == 8'h3F) | // immu_nzctxt_cfg_tsb

        dc_diagnstc_asi_d     | // Dcache Diagnostic

        dtagv_diagnstc_asi_d  | // Dcache Diagnostic

        tlb_lng_ltncy_asi_d   |

        ifu_nontlb_asi_d      ;

assign  ifu_nontlb_asi_d =

        (asi_d[7:0] == 8'h42) | // instruction-mask

        (asi_d[7:0] == 8'h43) | // error-inj

        (asi_d[7:0] == 8'h4B) | // sparc-error-enable

        (asi_d[7:0] == 8'h4C) | // sparc-error-status

        (asi_d[7:0] == 8'h4D) | // sparc-error-address

        (asi_d[7:0] == 8'h66) | // icache-instr

        (asi_d[7:0] == 8'h67) ; // icache-tag

assign  dc_diagnstc_asi_d = (asi_d[7:0] == 8'h46) ;

assign  dtagv_diagnstc_asi_d = (asi_d[7:0] == 8'h47) ;

assign  idemap = (asi_d[7:0] == 8'h57) ; // I-MMU Demap Operation

assign  ddemap = (asi_d[7:0] == 8'h5F) ; // D-MMU Demap Operation

assign  ddata_in = (asi_d[7:0] == 8'h5C) ; // D-TLB Data-In

assign  ddaccess = (asi_d[7:0] == 8'h5D) ; // D-TLB Data-Access

assign  dtag_read = (asi_d[7:0] == 8'h5E) ; // D-TLB Tag Read

assign  idata_in = (asi_d[7:0] == 8'h54) ; // I-TLB Data-In

assign  idaccess = (asi_d[7:0] == 8'h55) ; // I-TLB Data-Access

assign  invld_all = (asi_d[7:0] == 8'h60) ; // I/D Invalidate All

assign  itag_read = (asi_d[7:0] == 8'h56) ; // I-TLB Tag Read

assign  tlb_lng_ltncy_asi_d =

        idemap          | ddemap        | ddata_in      |

        ddaccess        | dtag_read     | idata_in      |

        idaccess        | invld_all     | itag_read     ;

assign  wr_only_ltlb_asi_d =

        ddata_in        |       idata_in        |

        idemap          |       ddemap          |

        invld_all ;

assign  rd_only_ltlb_asi_d =

        dtag_read       |       itag_read       ;

assign  ifill_tlb_asi_d =       // itlb fill asi

        idata_in        |       idaccess        ;

assign  dfill_tlb_asi_d =       // i/d tlb fill asi

        ddata_in        |       ddaccess        ;

assign  nucleus_asi_exact_d =

        (asi_d[7:0] == 8'h04) |  // asi_nucleus

        (asi_d[7:0] == 8'h0C) ; // asi_nucleus_little

// Nucleus Ctxt

assign  nucleus_asi_d =

         nucleus_asi_exact_d |

        (asi_d[7:0] == 8'h24) | // asi_nucleus_quad_ldd

        (asi_d[7:0] == 8'h2C) ; // asi_nucleus_quad_ldd_little

assign  asi_if_user_prim_d =

        (asi_d[7:0] == 8'h10) |  // asi_as_if_user_primary

        (asi_d[7:0] == 8'h18) ;  // asi_as_if_user_primary_little

// asi_if_user primary asi

assign  asi_if_user_prim_all_d =

         asi_if_user_prim_d   |

        (asi_d[7:0] == 8'h22) |  // asi_as_if_user_primary_quad_ldd (blk-init)

        (asi_d[7:0] == 8'h2A) ;  // asi_as_if_user_primary_quad_ldd_little (blk-init)

assign  prim_asi_exact_d =

        (asi_d[7:0] == 8'h80) |  // asi_primary

        (asi_d[7:0] == 8'h88) ;  // asi_primary_little

// Primary Ctxt

assign  primary_asi_d =

         asi_if_user_prim_all_d   |

         prim_asi_exact_d     |

        (asi_d[7:0] == 8'h82) |  // asi_primary_no_fault

        (asi_d[7:0] == 8'h8A) |  // asi_primary_no_fault_little

        (asi_d[7:0] == 8'hE2) |  // asi_primary_quad_ldd (blk-init)

        (asi_d[7:0] == 8'hEA) |  // asi_primary_quad_ldd_little (blk-init)

        blk_asif_usr_p | blk_asif_usr_plittle |

        blk_plittle | blk_p | // block primary asi

        blk_cmt_p |     // Bug 4051

  unimp_CD_prm ;  // Bug 4532

assign  asi_if_user_sec_d =

        (asi_d[7:0] == 8'h11) | // asi_as_if_user_secondary

        (asi_d[7:0] == 8'h19) ; // asi_as_if_user_secondary_little

// asi_if_user secondary asi

assign  asi_if_user_sec_all_d =

         asi_if_user_sec_d   |

        (asi_d[7:0] == 8'h23) |  // asi_as_if_user_secondary_quad_ldd (blk-init)

        (asi_d[7:0] == 8'h2B) ;  // asi_as_if_user_secondary_quad_ldd_little (blk-init)

assign  as_if_user_asi_d = asi_if_user_prim_all_d | asi_if_user_sec_all_d |

blk_asif_usr_p | blk_asif_usr_plittle | blk_asif_usr_s | blk_asif_usr_slittle ;

assign  sec_asi_exact_d =

        (asi_d[7:0] == 8'h81) | // asi_secondary

        (asi_d[7:0] == 8'h89) ; // asi_secondary_little

// Secondary Ctxt

assign  secondary_asi_d =

         asi_if_user_sec_all_d    |

         sec_asi_exact_d      |

        (asi_d[7:0] == 8'h83) | // asi_secondary_no_fault

        (asi_d[7:0] == 8'h8B) | // asi_secondary_no_fault_little

        (asi_d[7:0] == 8'hE3) |  // asi_secondary_quad_ldd (blk-init)

        (asi_d[7:0] == 8'hEB) |  // asi_secondary_quad_ldd_little (blk-init)

        blk_asif_usr_s | blk_asif_usr_slittle |

        blk_slittle |  blk_s | // block secondary asi

        blk_cmt_s |  // Bug 4051

  unimp_CD_sec; // Bug 4532

// Little Endian

assign  lendian_asi_d =

        (asi_d[7:0] == 8'h0C) | // asi_nucleus_little

        (asi_d[7:0] == 8'h2C) | // asi_nucleus_quad_ldd_little 

        (asi_d[7:0] == 8'h18) |  // asi_as_if_user_primary_little

        (asi_d[7:0] == 8'h8A) |  // asi_primary_no_fault_little

        (asi_d[7:0] == 8'h8B) | // asi_secondary_no_fault_little

        (asi_d[7:0] == 8'h2A) |  // asi_as_if_user_primary_quad_ldd_little (blk-init)

        (asi_d[7:0] == 8'hEA) |  // asi_primary_quad_ldd_little (blk-init)

        (asi_d[7:0] == 8'h19) | // asi_as_if_user_secondary_little

        (asi_d[7:0] == 8'h89) | // asi_secondary_little

        (asi_d[7:0] == 8'h88) |  // asi_primary_little

        (asi_d[7:0] == 8'h2B) |  // asi_as_if_user_secondary_quad_ldd_little (blk-init)

        (asi_d[7:0] == 8'hEB) |  // asi_secondary_quad_ldd_little (blk-init)

        real_mem_little |

        real_io_little  |

        //(asi_d[7:0] == 8'h1D) |       // asi_phys_bypass_ec_with_ebit_littl

        //(asi_d[7:0] == 8'h1C) |       // asi_phys_bypass_ec_with_ebit_littl

        blk_asif_usr_plittle  | blk_asif_usr_slittle |  // little

        blk_plittle           | blk_slittle |           // little

        quad_ldd_real_little  | // asi_quad_ldd_real_little

        binit_nucleus_little_d ;// asi_nucleus_blk_init_st_quad_ldd_little

// No Fault

assign  nofault_asi_d =

        (asi_d[7:0] == 8'h82) |  // asi_primary_no_fault

        (asi_d[7:0] == 8'h8A) |  // asi_primary_no_fault_little

        (asi_d[7:0] == 8'h83) | // asi_secondary_no_fault

        (asi_d[7:0] == 8'h8B) ; // asi_secondary_no_fault_little

assign  binit_nucleus_d =

        (asi_d[7:0] == 8'h27) ;  // asi_nucleus_blk_init_st_quad_ldd

assign  binit_nucleus_little_d =

        (asi_d[7:0] == 8'h2F) ;  // asi_nucleus_blk_init_st_quad_ldd_little

// Quad (These are duplicated - they can be shared)

assign  binit_quad_asi_d =

        binit_nucleus_d |       // asi_nucleus_blk_init_st_quad_ldd

        binit_nucleus_little_d |// asi_nucleus_blk_init_st_quad_ldd_little

        (asi_d[7:0] == 8'h22) |  // asi_as_if_user_primary_quad_ldd (blk-init)

        (asi_d[7:0] == 8'h2A) |  // asi_as_if_user_primary_quad_ldd_little (blk-init)

        (asi_d[7:0] == 8'h23) |  // asi_as_if_user_secondary_quad_ldd (blk-init)

        (asi_d[7:0] == 8'h2B) |  // asi_as_if_user_secondary_quad_ldd_little (blk-init)

        (asi_d[7:0] == 8'hE2) |  // asi_primary_quad_ldd (blk-init)

        (asi_d[7:0] == 8'hEA) |  // asi_primary_quad_ldd_little (blk-init)

        (asi_d[7:0] == 8'hE3) |  // asi_secondary_quad_ldd (blk-init)

        (asi_d[7:0] == 8'hEB) ;  // asi_secondary_quad_ldd_little (blk-init)

assign  quad_ldd_real =

        (asi_d[7:0] == 8'h26) ; // asi_quad_ldd_real

assign  quad_ldd_real_little =

        (asi_d[7:0] == 8'h2E) ; // asi_quad_ldd_real_little

assign  quad_asi_d =

        binit_quad_asi_d      | // blk-init quad asi

        quad_ldd_real         | // asi_quad_ldd_real

        quad_ldd_real_little  | // asi_quad_ldd_real_little

        (asi_d[7:0] == 8'h24) | // asi_nucleus_quad_ldd 

        (asi_d[7:0] == 8'h2C) ; // asi_nucleus_quad_ldd_little 

// EC

assign  real_io_little = (asi_d[7:0] == 8'h1D) ;

assign  real_mem_little = (asi_d[7:0] == 8'h1C) ;

assign  phy_byp_ec_asi =

        (asi_d[7:0] == 8'h15) |  // asi_phys_bypass_ec_with_ebit(real_io)

        real_io_little ;        // asi_phys_bypass_ec_with_ebit_little(real_io_little)

        //(asi_d[7:0] == 8'h1D) ;       // asi_phys_bypass_ec_with_ebit_little(real_io_little)

                                // asi assumed for io address specifically !!

                                // asi assumed for io address specifically !!

assign  phy_use_ec_asi =

        (asi_d[7:0] == 8'h14) |  // asi_phys_use_ec(real_mem)

        real_mem_little ;       // asi_phys_use_ec_little(real_mem_little)

        //(asi_d[7:0] == 8'h1C) ;       // asi_phys_use_ec_little(real_mem_little)

assign  phy_use_ec_asi_d = phy_use_ec_asi ;

assign  phy_byp_ec_asi_d = phy_byp_ec_asi ;

// Physical Use - Always results in R->P xslation.

assign  tlb_byp_asi_d =

                phy_byp_ec_asi | phy_use_ec_asi |

                quad_ldd_real  | quad_ldd_real_little ;

// Atomic asi

assign  atomic_asi_d = nucleus_asi_exact_d | prim_asi_exact_d | sec_asi_exact_d |

                asi_if_user_prim_d | asi_if_user_sec_d | phy_use_ec_asi ;

assign  dcache_byp_asi_d = tlb_byp_asi_d ;

// ASI causing Data Access Exceptions - (TBD)

assign  rd_only_asi_d =

        (asi_d[7:0] == 8'h82) |  // asi_primary_no_fault

        (asi_d[7:0] == 8'h8A) |  // asi_primary_no_fault_little

        (asi_d[7:0] == 8'h83) | // asi_secondary_no_fault

        (asi_d[7:0] == 8'h8B) | // asi_secondary_no_fault_little

        (asi_d[7:0] == 8'h74) ; // asi_swrvr_udb_intr_r !! Does not have to be done by intrpt blk !!

assign  wr_only_asi_d =

        (asi_d[7:0] == 8'h73) ; // asi_swrvr_udb_intr_w

// Block Asi

assign  blk_asif_usr_p = (asi_d[7:0] == 8'h16) ; // asi_block_as_if_user_primary

assign  blk_asif_usr_plittle = (asi_d[7:0] == 8'h1E) ; // asi_block_as_if_user_primary_little

assign  blk_asif_usr_s = (asi_d[7:0] == 8'h17) ; // asi_block_as_if_user_secondary

assign  blk_asif_usr_slittle = (asi_d[7:0] == 8'h1F) ; // asi_block_as_if_user_secondary_little

assign  blk_plittle = (asi_d[7:0] == 8'hF8) ; // asi_block_primary_little 

assign  blk_slittle = (asi_d[7:0] == 8'hF9) ; // asi_block_secondary_little 

assign  blk_cmt_p = (asi_d[7:0] == 8'hE0) ; // asi_block_commit_primary ?? behaviour 

assign  blk_cmt_s = (asi_d[7:0] == 8'hE1) ; // asi_block_commit_secondary ?? behaviour 

assign  blk_p = (asi_d[7:0] == 8'hF0) ; // asi_block_primary

assign  blk_s = (asi_d[7:0] == 8'hF1) ; // asi_block_secondary

//assign        blk_cmt_asi_d = blk_cmt_p | blk_cmt_s ;

assign  blk_asi_d =

        blk_asif_usr_p  | blk_asif_usr_s |

        blk_plittle     | blk_slittle    |

        //blk_cmt_p     | blk_cmt_s      |

        blk_p           | blk_s          |

        blk_asif_usr_plittle  | blk_asif_usr_slittle |  // little

        blk_plittle           | blk_slittle ;           // little

// add to little-endian decode

// add to use_real ...

//assign      as_if_supv = 

//    (asi_d[7:0] == 8'h??) | // asi_if_supv_real 

//    (asi_d[7:0] == 8'h??) ; // asi_if_supv_real_little 

wire    unimp_C ;

assign  unimp_C =

        ((asi_d[7:4]==4'hC) &

                ~((asi_d[3:0]==4'h6) |

                  (asi_d[3:0]==4'h7) |

                  (asi_d[3:0]==4'hE) |

                  (asi_d[3:0]==4'hF))) ;

wire    unimp_D ;

assign  unimp_D =

        ((asi_d[7:4]==4'hD) &

                ~((asi_d[3:0]==4'h4) |

                  (asi_d[3:0]==4'h5) |

                  (asi_d[3:0]==4'h6) |

                  (asi_d[3:0]==4'h7) |

                  (asi_d[3:0]==4'hC) |

                  (asi_d[3:0]==4'hD) |

                  (asi_d[3:0]==4'hE) |

                  (asi_d[3:0]==4'hF))) ;

assign  unimp_CD_prm =

(asi_d[7:0] == 8'hC0) |

(asi_d[7:0] == 8'hC2) |

(asi_d[7:0] == 8'hC4) |

(asi_d[7:0] == 8'hC8) |

(asi_d[7:0] == 8'hCA) |

(asi_d[7:0] == 8'hCC) |

(asi_d[7:0] == 8'hD0) |

(asi_d[7:0] == 8'hD2) |

(asi_d[7:0] == 8'hD8) |

(asi_d[7:0] == 8'hDA) ;

assign  unimp_CD_sec =

(asi_d[7:0] == 8'hC1) |

(asi_d[7:0] == 8'hC3) |

(asi_d[7:0] == 8'hC5) |

(asi_d[7:0] == 8'hC9) |

(asi_d[7:0] == 8'hCB) |

(asi_d[7:0] == 8'hCD) |

(asi_d[7:0] == 8'hD1) |

(asi_d[7:0] == 8'hD3) |

(asi_d[7:0] == 8'hD9) |

(asi_d[7:0] == 8'hDB) ;

// Unimplemented asi

assign  unimp_asi_d =

// Bug 4692 - all unimplemented internal asi are now

// illegal.

//      (asi_d[7:0] == 8'h6E) | // asi_icache_pre_decode

//      (asi_d[7:0] == 8'h6F) | // asi_icache_next_field

//      (asi_d[7:0] == 8'h48) | // asi_intr_dispatch_status

//      (asi_d[7:0] == 8'h49) | // asi_intr_receive

//      (asi_d[7:0] == 8'h4A) | // asi_upa_config_register

//      (asi_d[7:0] == 8'h4E) | // asi_ecache_tag_data

//      dflush_asi_d |      //Bug 4580

        unimp_C | unimp_D | // Bug 4438 

        blk_cmt_p | blk_cmt_s ;

// Set of recognized asi's

assign  recognized_asi_d =

        asi_internal_d | nucleus_asi_d |  primary_asi_d | secondary_asi_d | lendian_asi_d |

        nofault_asi_d | quad_asi_d | tlb_byp_asi_d | unimp_asi_d | blk_asi_d ;

// Displacement Flush for L2

//assign        dflush_asi_d =

//      (asi_d[7:0] == 8'h30) ; // asi_direct_map_ecache

endmodule