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robfinch |
// ============================================================================
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// __
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// \\__/ o\ (C) 2015-2023 Robert Finch, Waterloo
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// \ __ / All rights reserved.
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// \/_// robfinch@finitron.ca
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// ||
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//
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// BSD 3-Clause License
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this
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// list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// ============================================================================
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//
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package fta_bus_pkg;
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typedef logic [31:0] fta_address_t;
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typedef logic [5:0] fta_burst_len_t; // number of beats in a burst -1
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typedef logic [3:0] fta_channel_t; // channel for devices like system cache
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//typedef logic [7:0] fta_tranid_t; // transaction id
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typedef logic [7:0] fta_priv_level_t; // 0=all access,
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typedef logic [3:0] fta_priority_t; // network transaction priority, higher is better
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typedef logic [11:0] fta_asid_t; // address space identifier
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typedef struct packed {
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logic [5:0] core;
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logic [2:0] channel;
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logic [3:0] tranid;
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} fta_tranid_t;
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typedef enum logic [1:0] {
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APP = 2'd0,
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SUPERVISOR = 2'd1,
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HYPERVISOR = 2'd2,
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MACHINE = 2'd3
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} fta_operating_mode_t;
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typedef enum logic [2:0] {
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CLASSIC = 3'b000,
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FIXED = 3'b001, // constant data address
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INCR = 3'b010, // incrementing data address
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IRQA = 3'b110, // interrupt acknowledge
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EOB = 3'b111 // end of data burst
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} fta_cycle_type_t;
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typedef enum logic [2:0] {
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DATA = 3'b000,
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STACK = 3'b110,
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CODE = 3'b111
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} fta_segment_t;
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typedef enum logic [2:0] {
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LINEAR = 3'b000,
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WRAP4 = 3'b001,
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WRAP8 = 3'b010,
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WRAP16 = 3'b011,
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WRAP32 = 3'b100,
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WRAP64 = 3'b101,
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WRAP128 = 3'b110
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} fta_burst_type_t;
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// number of byte transferred in a beat
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typedef enum logic [3:0] {
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nul = 4'd0,
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byt = 4'd1,
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wyde = 4'd2,
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tetra = 4'd3,
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penta = 4'd4,
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octa = 4'd5,
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hexi = 4'd6,
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n96 = 4'd7,
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char = 4'd8,
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vect = 4'd10
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} fta_size_t;
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typedef enum logic [1:0] {
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OKAY = 2'b00, // no error
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DECERR = 2'd01, // decode error
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PROTERR = 2'b10, // security violation
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ERR = 2'b11 // general error
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} fta_error_t;
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typedef enum logic [3:0] {
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NC_NB = 4'd0, // Non-cacheable, non-bufferable
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NON_CACHEABLE = 4'd1,
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CACHEABLE_NB = 4'd2, // Cacheable, non-bufferable
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CACHEABLE = 4'd3, // Cacheable, bufferable
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WT_NO_ALLOCATE = 4'd8, // Write Through
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WT_READ_ALLOCATE = 4'd9,
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WT_WRITE_ALLOCATE = 4'd10,
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WT_READWRITE_ALLOCATE = 4'd11,
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WB_NO_ALLOCATE = 4'd12, // Write Back
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WB_READ_ALLOCATE = 4'd13,
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WB_WRITE_ALLOCATE = 4'd14,
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WB_READWRITE_ALLOCATE = 4'd15
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} fta_cache_t;
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typedef enum logic [4:0] {
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CMD_NONE = 5'd0,
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CMD_LOAD = 5'd1,
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CMD_LOADZ = 5'd2,
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CMD_STORE = 5'd3,
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CMD_STOREPTR = 5'd4,
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CMD_LEA = 5'd7,
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CMD_DCACHE_LOAD = 5'd10,
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CMD_ICACHE_LOAD = 5'd11,
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CMD_CACHE = 5'd13,
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CMD_SWAP = 5'd16,
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CMD_MIN = 5'd18,
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CMD_MAX = 5'd19,
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CMD_ADD = 5'd20,
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CMD_ASL = 5'd22,
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CMD_LSR = 5'd23,
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CMD_AND = 5'd24,
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CMD_OR = 5'd25,
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CMD_EOR = 5'd26,
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CMD_MINU = 5'd28,
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CMD_MAXU = 5'd29,
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CMD_CAS = 5'd31
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} fta_cmd_t;
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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// Command requests
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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typedef struct packed {
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fta_operating_mode_t om; // operating mode
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fta_cmd_t cmd; // command
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fta_burst_type_t bte; // burst type extension
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fta_cycle_type_t cti; // cycle type indicator
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fta_burst_len_t blen; // length of burst-1
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fta_size_t sz; // transfer size
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fta_segment_t seg; // segment
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logic cyc; // valid cycle
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logic stb; // data strobe
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logic we; // write enable
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fta_asid_t asid; // address space identifier
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fta_address_t vadr; // virtual address
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fta_address_t padr; // physical address
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logic [7:0] dat; // data
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fta_channel_t cid; // channel id
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fta_tranid_t tid; // transaction id
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logic csr; // set or clear reservation we:1=clear 0=set
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fta_priv_level_t pl; // privilege level
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fta_priority_t pri; // transaction priority
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fta_cache_t cache; // cache and buffer properties
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} fta_cmd_request8_t;
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typedef struct packed {
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fta_operating_mode_t om; // operating mode
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fta_cmd_t cmd; // command
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fta_burst_type_t bte; // burst type extension
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fta_cycle_type_t cti; // cycle type indicator
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fta_burst_len_t blen; // length of burst-1
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fta_size_t sz; // transfer size
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fta_segment_t seg; // segment
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logic cyc; // valid cycle
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logic stb; // data strobe
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logic we; // write enable
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fta_asid_t asid; // address space identifier
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fta_address_t vadr; // virtual address
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fta_address_t padr; // physical address
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logic [1:0] sel; // byte lane selects
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logic [15:0] dat; // data
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fta_channel_t cid; // channel id
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fta_tranid_t tid; // transaction id
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logic csr; // set or clear reservation we:1=clear 0=set
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fta_priv_level_t pl; // privilege level
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fta_priority_t pri; // transaction priority
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fta_cache_t cache; // cache and buffer properties
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} fta_cmd_request16_t;
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typedef struct packed {
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fta_operating_mode_t om; // operating mode
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fta_cmd_t cmd; // command
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fta_burst_type_t bte; // burst type extension
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fta_cycle_type_t cti; // cycle type indicator
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fta_burst_len_t blen; // length of burst-1
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fta_size_t sz; // transfer size
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fta_segment_t seg; // segment
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logic cyc; // valid cycle
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logic stb; // data strobe
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logic we; // write enable
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fta_asid_t asid; // address space identifier
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fta_address_t vadr; // virtual address
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fta_address_t padr; // physical address
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logic [3:0] sel; // byte lane selects
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logic [31:0] dat; // data
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fta_channel_t cid; // channel id
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fta_tranid_t tid; // transaction id
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logic csr; // set or clear reservation we:1=clear 0=set
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fta_priv_level_t pl; // privilege level
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fta_priority_t pri; // transaction priority
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fta_cache_t cache; // cache and buffer properties
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} fta_cmd_request32_t;
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typedef struct packed {
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fta_operating_mode_t om; // operating mode
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fta_cmd_t cmd; // command
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fta_burst_type_t bte; // burst type extension
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fta_cycle_type_t cti; // cycle type indicator
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fta_burst_len_t blen; // length of burst-1
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fta_size_t sz; // transfer size
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fta_segment_t seg; // segment
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logic cyc; // valid cycle
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logic stb; // data strobe
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logic we; // write enable
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fta_asid_t asid; // address space identifier
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fta_address_t vadr; // virtual address
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fta_address_t padr; // physical address
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logic [7:0] sel; // byte lane selects
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logic [63:0] dat; // data
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fta_channel_t cid; // channel id
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fta_tranid_t tid; // transaction id
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logic csr; // set or clear reservation we:1=clear 0=set
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fta_priv_level_t pl; // privilege level
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fta_priority_t pri; // transaction priority
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fta_cache_t cache; // cache and buffer properties
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} fta_cmd_request64_t;
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typedef struct packed {
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fta_operating_mode_t om; // operating mode
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fta_cmd_t cmd; // command
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fta_burst_type_t bte; // burst type extension
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fta_cycle_type_t cti; // cycle type indicator
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| 247 |
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fta_burst_len_t blen; // length of burst-1
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| 248 |
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fta_size_t sz; // transfer size
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| 249 |
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fta_segment_t seg; // segment
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| 250 |
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logic cyc; // valid cycle
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| 251 |
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logic stb; // data strobe
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| 252 |
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logic we; // write enable
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| 253 |
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fta_asid_t asid; // address space identifier
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| 254 |
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fta_address_t vadr; // virtual address
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| 255 |
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fta_address_t padr; // physical address
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logic [15:0] sel; // byte lane selects
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logic [127:0] data1; // data
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logic [127:0] data2; // data
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| 259 |
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fta_channel_t cid; // channel id
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| 260 |
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fta_tranid_t tid; // transaction id
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| 261 |
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logic csr; // set or clear reservation we:1=clear 0=set
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| 262 |
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fta_priv_level_t pl; // privilege level
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| 263 |
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fta_priority_t pri; // transaction priority
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| 264 |
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fta_cache_t cache; // cache and buffer properties
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| 265 |
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} fta_cmd_request128_t;
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| 266 |
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| 267 |
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typedef struct packed {
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| 268 |
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fta_operating_mode_t om; // operating mode
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| 269 |
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fta_cmd_t cmd; // command
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| 270 |
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fta_burst_type_t bte; // burst type extension
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| 271 |
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fta_cycle_type_t cti; // cycle type indicator
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| 272 |
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fta_burst_len_t blen; // length of burst-1
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| 273 |
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fta_size_t sz; // transfer size
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| 274 |
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fta_segment_t seg; // segment
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| 275 |
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logic cyc; // valid cycle
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| 276 |
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logic stb; // data strobe
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| 277 |
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logic we; // write enable
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| 278 |
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fta_asid_t asid; // address space identifier
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| 279 |
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fta_address_t vadr; // virtual address
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| 280 |
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fta_address_t padr; // physical address
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| 281 |
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logic [31:0] sel; // byte lane selects
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| 282 |
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logic [255:0] dat; // data
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| 283 |
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fta_channel_t cid; // channel id
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| 284 |
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fta_tranid_t tid; // transaction id
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| 285 |
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logic csr; // set or clear reservation we:1=clear 0=set
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| 286 |
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fta_priv_level_t pl; // privilege level
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| 287 |
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fta_priority_t pri; // transaction priority
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| 288 |
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fta_cache_t cache; // cache and buffer properties
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| 289 |
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} fta_cmd_request256_t;
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| 290 |
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| 291 |
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typedef struct packed {
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| 292 |
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fta_operating_mode_t om; // operating mode
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| 293 |
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fta_cmd_t cmd; // command
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| 294 |
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fta_burst_type_t bte; // burst type extension
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| 295 |
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fta_cycle_type_t cti; // cycle type indicator
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| 296 |
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fta_burst_len_t blen; // length of burst-1
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| 297 |
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fta_size_t sz; // transfer size
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| 298 |
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fta_segment_t seg; // segment
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| 299 |
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logic cyc; // valid cycle
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| 300 |
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logic stb; // data strobe
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| 301 |
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logic we; // write enable
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| 302 |
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fta_asid_t asid; // address space identifier
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| 303 |
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fta_address_t vadr; // virtual address
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| 304 |
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fta_address_t padr; // physical address
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| 305 |
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logic [63:0] sel; // byte lane selects
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| 306 |
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logic [511:0] dat; // data
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| 307 |
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fta_channel_t cid; // channel id
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| 308 |
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fta_tranid_t tid; // transaction id
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| 309 |
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logic csr; // set or clear reservation we:1=clear 0=set
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| 310 |
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fta_priv_level_t pl; // privilege level
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| 311 |
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fta_priority_t pri; // transaction priority
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| 312 |
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fta_cache_t cache; // cache and buffer properties
|
| 313 |
|
|
} fta_cmd_request512_t;
|
| 314 |
|
|
|
| 315 |
|
|
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
| 316 |
|
|
// Read responses
|
| 317 |
|
|
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
| 318 |
|
|
|
| 319 |
|
|
typedef struct packed {
|
| 320 |
|
|
fta_channel_t cid; // channel id
|
| 321 |
|
|
fta_tranid_t tid; // transaction id
|
| 322 |
|
|
logic stall; // stall pipeline
|
| 323 |
|
|
logic next; // advance to next transaction
|
| 324 |
|
|
logic ack; // response acknowledge
|
| 325 |
|
|
logic rty; // retry
|
| 326 |
|
|
logic err; // error
|
| 327 |
|
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fta_priority_t pri; // response priority
|
| 328 |
|
|
fta_address_t adr;
|
| 329 |
|
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logic [7:0] dat; // data
|
| 330 |
|
|
} fta_cmd_response8_t;
|
| 331 |
|
|
|
| 332 |
|
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typedef struct packed {
|
| 333 |
|
|
fta_channel_t cid; // channel id
|
| 334 |
|
|
fta_tranid_t tid; // transaction id
|
| 335 |
|
|
logic stall; // stall pipeline
|
| 336 |
|
|
logic next; // advance to next transaction
|
| 337 |
|
|
logic ack; // response acknowledge
|
| 338 |
|
|
logic rty; // retry
|
| 339 |
|
|
logic err; // error
|
| 340 |
|
|
fta_priority_t pri; // response priority
|
| 341 |
|
|
fta_address_t adr;
|
| 342 |
|
|
logic [15:0] dat; // data
|
| 343 |
|
|
} fta_cmd_response16_t;
|
| 344 |
|
|
|
| 345 |
|
|
typedef struct packed {
|
| 346 |
|
|
fta_channel_t cid; // channel id
|
| 347 |
|
|
fta_tranid_t tid; // transaction id
|
| 348 |
|
|
logic stall; // stall pipeline
|
| 349 |
|
|
logic next; // advance to next transaction
|
| 350 |
|
|
logic ack; // response acknowledge
|
| 351 |
|
|
logic rty; // retry
|
| 352 |
|
|
logic err; // error
|
| 353 |
|
|
fta_priority_t pri; // response priority
|
| 354 |
|
|
fta_address_t adr;
|
| 355 |
|
|
logic [31:0] dat; // data
|
| 356 |
|
|
} fta_cmd_response32_t;
|
| 357 |
|
|
|
| 358 |
|
|
typedef struct packed {
|
| 359 |
|
|
fta_channel_t cid; // channel id
|
| 360 |
|
|
fta_tranid_t tid; // transaction id
|
| 361 |
|
|
logic stall; // stall pipeline
|
| 362 |
|
|
logic next; // advance to next transaction
|
| 363 |
|
|
logic ack; // response acknowledge
|
| 364 |
|
|
logic rty; // retry
|
| 365 |
|
|
logic err; // error
|
| 366 |
|
|
fta_priority_t pri; // response priority
|
| 367 |
|
|
fta_address_t adr;
|
| 368 |
|
|
logic [31:0] dat; // data
|
| 369 |
|
|
} fta_response32_t;
|
| 370 |
|
|
|
| 371 |
|
|
typedef struct packed {
|
| 372 |
|
|
fta_channel_t cid; // channel id
|
| 373 |
|
|
fta_tranid_t tid; // transaction id
|
| 374 |
|
|
logic stall; // stall pipeline
|
| 375 |
|
|
logic next; // advance to next transaction
|
| 376 |
|
|
logic ack; // response acknowledge
|
| 377 |
|
|
logic rty; // retry
|
| 378 |
|
|
logic err; // error
|
| 379 |
|
|
fta_priority_t pri; // response priority
|
| 380 |
|
|
fta_address_t adr;
|
| 381 |
|
|
logic [63:0] dat; // data
|
| 382 |
|
|
} fta_cmd_response64_t;
|
| 383 |
|
|
|
| 384 |
|
|
typedef struct packed {
|
| 385 |
|
|
fta_channel_t cid; // channel id
|
| 386 |
|
|
fta_tranid_t tid; // transaction id
|
| 387 |
|
|
logic stall; // stall pipeline
|
| 388 |
|
|
logic next; // advance to next transaction
|
| 389 |
|
|
logic ack; // response acknowledge
|
| 390 |
|
|
logic rty; // retry
|
| 391 |
|
|
logic err; // error
|
| 392 |
|
|
fta_priority_t pri; // response priority
|
| 393 |
|
|
fta_address_t adr;
|
| 394 |
|
|
logic [127:0] dat; // data
|
| 395 |
|
|
} fta_cmd_response128_t;
|
| 396 |
|
|
|
| 397 |
|
|
typedef struct packed {
|
| 398 |
|
|
fta_channel_t cid; // channel id
|
| 399 |
|
|
fta_tranid_t tid; // transaction id
|
| 400 |
|
|
logic stall; // stall pipeline
|
| 401 |
|
|
logic next; // advance to next transaction
|
| 402 |
|
|
logic ack; // response acknowledge
|
| 403 |
|
|
logic rty; // retry
|
| 404 |
|
|
logic err; // error
|
| 405 |
|
|
fta_priority_t pri; // response priority
|
| 406 |
|
|
fta_address_t adr;
|
| 407 |
|
|
logic [127:0] dat; // data
|
| 408 |
|
|
} fta_response128_t;
|
| 409 |
|
|
|
| 410 |
|
|
typedef struct packed {
|
| 411 |
|
|
fta_channel_t cid; // channel id
|
| 412 |
|
|
fta_tranid_t tid; // transaction id
|
| 413 |
|
|
logic stall; // stall pipeline
|
| 414 |
|
|
logic next; // advance to next transaction
|
| 415 |
|
|
logic ack; // response acknowledge
|
| 416 |
|
|
logic rty; // retry
|
| 417 |
|
|
logic err; // error
|
| 418 |
|
|
fta_priority_t pri; // response priority
|
| 419 |
|
|
fta_address_t adr;
|
| 420 |
|
|
logic [255:0] dat; // data
|
| 421 |
|
|
} fta_cmd_response256_t;
|
| 422 |
|
|
|
| 423 |
|
|
typedef struct packed {
|
| 424 |
|
|
fta_channel_t cid; // channel id
|
| 425 |
|
|
fta_tranid_t tid; // transaction id
|
| 426 |
|
|
logic stall; // stall pipeline
|
| 427 |
|
|
logic next; // advance to next transaction
|
| 428 |
|
|
logic ack; // response acknowledge
|
| 429 |
|
|
logic rty; // retry
|
| 430 |
|
|
logic err; // error
|
| 431 |
|
|
fta_priority_t pri; // response priority
|
| 432 |
|
|
fta_address_t adr;
|
| 433 |
|
|
logic [511:0] dat; // data
|
| 434 |
|
|
} fta_cmd_response512_t;
|
| 435 |
|
|
|
| 436 |
|
|
endpackage
|