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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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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 [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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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_request128_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 [31:0] sel; // byte lane selects
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logic [255:0] 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_request256_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 [63:0] sel; // byte lane selects
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logic [511:0] 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_request512_t;
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315 |
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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// Read responses
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317 |
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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318 |
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319 |
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typedef struct packed {
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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 stall; // stall pipeline
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logic next; // advance to next transaction
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logic ack; // response acknowledge
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325 |
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logic rty; // retry
|
326 |
|
|
logic err; // error
|
327 |
|
|
fta_priority_t pri; // response priority
|
328 |
|
|
fta_address_t adr;
|
329 |
|
|
logic [7:0] dat; // data
|
330 |
|
|
} fta_cmd_response8_t;
|
331 |
|
|
|
332 |
|
|
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
|