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VexRiscv.v
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VexRiscv.v
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// Generator : SpinalHDL v1.3.5 git head : f0505d24810c8661a24530409359554b7cfa271a
// Date : 09/06/2019, 12:33:14
// Component : VexRiscv
`define Src1CtrlEnum_defaultEncoding_type [1:0]
`define Src1CtrlEnum_defaultEncoding_RS 2'b00
`define Src1CtrlEnum_defaultEncoding_IMU 2'b01
`define Src1CtrlEnum_defaultEncoding_PC_INCREMENT 2'b10
`define Src1CtrlEnum_defaultEncoding_URS1 2'b11
`define AluBitwiseCtrlEnum_defaultEncoding_type [1:0]
`define AluBitwiseCtrlEnum_defaultEncoding_XOR_1 2'b00
`define AluBitwiseCtrlEnum_defaultEncoding_OR_1 2'b01
`define AluBitwiseCtrlEnum_defaultEncoding_AND_1 2'b10
`define EnvCtrlEnum_defaultEncoding_type [0:0]
`define EnvCtrlEnum_defaultEncoding_NONE 1'b0
`define EnvCtrlEnum_defaultEncoding_XRET 1'b1
`define BranchCtrlEnum_defaultEncoding_type [1:0]
`define BranchCtrlEnum_defaultEncoding_INC 2'b00
`define BranchCtrlEnum_defaultEncoding_B 2'b01
`define BranchCtrlEnum_defaultEncoding_JAL 2'b10
`define BranchCtrlEnum_defaultEncoding_JALR 2'b11
`define Src2CtrlEnum_defaultEncoding_type [1:0]
`define Src2CtrlEnum_defaultEncoding_RS 2'b00
`define Src2CtrlEnum_defaultEncoding_IMI 2'b01
`define Src2CtrlEnum_defaultEncoding_IMS 2'b10
`define Src2CtrlEnum_defaultEncoding_PC 2'b11
`define AluCtrlEnum_defaultEncoding_type [1:0]
`define AluCtrlEnum_defaultEncoding_ADD_SUB 2'b00
`define AluCtrlEnum_defaultEncoding_SLT_SLTU 2'b01
`define AluCtrlEnum_defaultEncoding_BITWISE 2'b10
`define ShiftCtrlEnum_defaultEncoding_type [1:0]
`define ShiftCtrlEnum_defaultEncoding_DISABLE_1 2'b00
`define ShiftCtrlEnum_defaultEncoding_SLL_1 2'b01
`define ShiftCtrlEnum_defaultEncoding_SRL_1 2'b10
`define ShiftCtrlEnum_defaultEncoding_SRA_1 2'b11
module InstructionCache (
input io_flush,
input io_cpu_prefetch_isValid,
output reg io_cpu_prefetch_haltIt,
input [31:0] io_cpu_prefetch_pc,
input io_cpu_fetch_isValid,
input io_cpu_fetch_isStuck,
input io_cpu_fetch_isRemoved,
input [31:0] io_cpu_fetch_pc,
output [31:0] io_cpu_fetch_data,
input io_cpu_fetch_dataBypassValid,
input [31:0] io_cpu_fetch_dataBypass,
output io_cpu_fetch_mmuBus_cmd_isValid,
output [31:0] io_cpu_fetch_mmuBus_cmd_virtualAddress,
output io_cpu_fetch_mmuBus_cmd_bypassTranslation,
input [31:0] io_cpu_fetch_mmuBus_rsp_physicalAddress,
input io_cpu_fetch_mmuBus_rsp_isIoAccess,
input io_cpu_fetch_mmuBus_rsp_allowRead,
input io_cpu_fetch_mmuBus_rsp_allowWrite,
input io_cpu_fetch_mmuBus_rsp_allowExecute,
input io_cpu_fetch_mmuBus_rsp_exception,
input io_cpu_fetch_mmuBus_rsp_refilling,
output io_cpu_fetch_mmuBus_end,
input io_cpu_fetch_mmuBus_busy,
output [31:0] io_cpu_fetch_physicalAddress,
output io_cpu_fetch_haltIt,
input io_cpu_decode_isValid,
input io_cpu_decode_isStuck,
input [31:0] io_cpu_decode_pc,
output [31:0] io_cpu_decode_physicalAddress,
output [31:0] io_cpu_decode_data,
output io_cpu_decode_cacheMiss,
output io_cpu_decode_error,
output io_cpu_decode_mmuRefilling,
output io_cpu_decode_mmuException,
input io_cpu_decode_isUser,
input io_cpu_fill_valid,
input [31:0] io_cpu_fill_payload,
output io_mem_cmd_valid,
input io_mem_cmd_ready,
output [31:0] io_mem_cmd_payload_address,
output [2:0] io_mem_cmd_payload_size,
input io_mem_rsp_valid,
input [31:0] io_mem_rsp_payload_data,
input io_mem_rsp_payload_error,
input clk,
input reset);
reg [21:0] _zz_10_;
reg [31:0] _zz_11_;
wire _zz_12_;
wire _zz_13_;
wire [0:0] _zz_14_;
wire [0:0] _zz_15_;
wire [21:0] _zz_16_;
reg _zz_1_;
reg _zz_2_;
reg lineLoader_fire;
reg lineLoader_valid;
reg [31:0] lineLoader_address;
reg lineLoader_hadError;
reg lineLoader_flushPending;
reg [7:0] lineLoader_flushCounter;
reg _zz_3_;
reg lineLoader_cmdSent;
reg lineLoader_wayToAllocate_willIncrement;
wire lineLoader_wayToAllocate_willClear;
wire lineLoader_wayToAllocate_willOverflowIfInc;
wire lineLoader_wayToAllocate_willOverflow;
reg [2:0] lineLoader_wordIndex;
wire lineLoader_write_tag_0_valid;
wire [6:0] lineLoader_write_tag_0_payload_address;
wire lineLoader_write_tag_0_payload_data_valid;
wire lineLoader_write_tag_0_payload_data_error;
wire [19:0] lineLoader_write_tag_0_payload_data_address;
wire lineLoader_write_data_0_valid;
wire [9:0] lineLoader_write_data_0_payload_address;
wire [31:0] lineLoader_write_data_0_payload_data;
wire _zz_4_;
wire [6:0] _zz_5_;
wire _zz_6_;
wire fetchStage_read_waysValues_0_tag_valid;
wire fetchStage_read_waysValues_0_tag_error;
wire [19:0] fetchStage_read_waysValues_0_tag_address;
wire [21:0] _zz_7_;
wire [9:0] _zz_8_;
wire _zz_9_;
wire [31:0] fetchStage_read_waysValues_0_data;
wire fetchStage_hit_hits_0;
wire fetchStage_hit_valid;
wire fetchStage_hit_error;
wire [31:0] fetchStage_hit_data;
wire [31:0] fetchStage_hit_word;
reg [31:0] io_cpu_fetch_data_regNextWhen;
reg [31:0] decodeStage_mmuRsp_physicalAddress;
reg decodeStage_mmuRsp_isIoAccess;
reg decodeStage_mmuRsp_allowRead;
reg decodeStage_mmuRsp_allowWrite;
reg decodeStage_mmuRsp_allowExecute;
reg decodeStage_mmuRsp_exception;
reg decodeStage_mmuRsp_refilling;
reg decodeStage_hit_valid;
reg decodeStage_hit_error;
(* ram_style = "block" *) reg [21:0] ways_0_tags [0:127];
(* ram_style = "block" *) reg [31:0] ways_0_datas [0:1023];
assign _zz_12_ = (! lineLoader_flushCounter[7]);
assign _zz_13_ = (lineLoader_flushPending && (! (lineLoader_valid || io_cpu_fetch_isValid)));
assign _zz_14_ = _zz_7_[0 : 0];
assign _zz_15_ = _zz_7_[1 : 1];
assign _zz_16_ = {lineLoader_write_tag_0_payload_data_address,{lineLoader_write_tag_0_payload_data_error,lineLoader_write_tag_0_payload_data_valid}};
always @ (posedge clk) begin
if(_zz_2_) begin
ways_0_tags[lineLoader_write_tag_0_payload_address] <= _zz_16_;
end
end
always @ (posedge clk) begin
if(_zz_6_) begin
_zz_10_ <= ways_0_tags[_zz_5_];
end
end
always @ (posedge clk) begin
if(_zz_1_) begin
ways_0_datas[lineLoader_write_data_0_payload_address] <= lineLoader_write_data_0_payload_data;
end
end
always @ (posedge clk) begin
if(_zz_9_) begin
_zz_11_ <= ways_0_datas[_zz_8_];
end
end
always @ (*) begin
_zz_1_ = 1'b0;
if(lineLoader_write_data_0_valid)begin
_zz_1_ = 1'b1;
end
end
always @ (*) begin
_zz_2_ = 1'b0;
if(lineLoader_write_tag_0_valid)begin
_zz_2_ = 1'b1;
end
end
assign io_cpu_fetch_haltIt = io_cpu_fetch_mmuBus_busy;
always @ (*) begin
lineLoader_fire = 1'b0;
if(io_mem_rsp_valid)begin
if((lineLoader_wordIndex == (3'b111)))begin
lineLoader_fire = 1'b1;
end
end
end
always @ (*) begin
io_cpu_prefetch_haltIt = (lineLoader_valid || lineLoader_flushPending);
if(_zz_12_)begin
io_cpu_prefetch_haltIt = 1'b1;
end
if((! _zz_3_))begin
io_cpu_prefetch_haltIt = 1'b1;
end
if(io_flush)begin
io_cpu_prefetch_haltIt = 1'b1;
end
end
assign io_mem_cmd_valid = (lineLoader_valid && (! lineLoader_cmdSent));
assign io_mem_cmd_payload_address = {lineLoader_address[31 : 5],(5'b00000)};
assign io_mem_cmd_payload_size = (3'b101);
always @ (*) begin
lineLoader_wayToAllocate_willIncrement = 1'b0;
if(lineLoader_fire)begin
lineLoader_wayToAllocate_willIncrement = 1'b1;
end
end
assign lineLoader_wayToAllocate_willClear = 1'b0;
assign lineLoader_wayToAllocate_willOverflowIfInc = 1'b1;
assign lineLoader_wayToAllocate_willOverflow = (lineLoader_wayToAllocate_willOverflowIfInc && lineLoader_wayToAllocate_willIncrement);
assign _zz_4_ = 1'b1;
assign lineLoader_write_tag_0_valid = ((_zz_4_ && lineLoader_fire) || (! lineLoader_flushCounter[7]));
assign lineLoader_write_tag_0_payload_address = (lineLoader_flushCounter[7] ? lineLoader_address[11 : 5] : lineLoader_flushCounter[6 : 0]);
assign lineLoader_write_tag_0_payload_data_valid = lineLoader_flushCounter[7];
assign lineLoader_write_tag_0_payload_data_error = (lineLoader_hadError || io_mem_rsp_payload_error);
assign lineLoader_write_tag_0_payload_data_address = lineLoader_address[31 : 12];
assign lineLoader_write_data_0_valid = (io_mem_rsp_valid && _zz_4_);
assign lineLoader_write_data_0_payload_address = {lineLoader_address[11 : 5],lineLoader_wordIndex};
assign lineLoader_write_data_0_payload_data = io_mem_rsp_payload_data;
assign _zz_5_ = io_cpu_prefetch_pc[11 : 5];
assign _zz_6_ = (! io_cpu_fetch_isStuck);
assign _zz_7_ = _zz_10_;
assign fetchStage_read_waysValues_0_tag_valid = _zz_14_[0];
assign fetchStage_read_waysValues_0_tag_error = _zz_15_[0];
assign fetchStage_read_waysValues_0_tag_address = _zz_7_[21 : 2];
assign _zz_8_ = io_cpu_prefetch_pc[11 : 2];
assign _zz_9_ = (! io_cpu_fetch_isStuck);
assign fetchStage_read_waysValues_0_data = _zz_11_;
assign fetchStage_hit_hits_0 = (fetchStage_read_waysValues_0_tag_valid && (fetchStage_read_waysValues_0_tag_address == io_cpu_fetch_mmuBus_rsp_physicalAddress[31 : 12]));
assign fetchStage_hit_valid = (fetchStage_hit_hits_0 != (1'b0));
assign fetchStage_hit_error = fetchStage_read_waysValues_0_tag_error;
assign fetchStage_hit_data = fetchStage_read_waysValues_0_data;
assign fetchStage_hit_word = fetchStage_hit_data[31 : 0];
assign io_cpu_fetch_data = (io_cpu_fetch_dataBypassValid ? io_cpu_fetch_dataBypass : fetchStage_hit_word);
assign io_cpu_decode_data = io_cpu_fetch_data_regNextWhen;
assign io_cpu_fetch_mmuBus_cmd_isValid = io_cpu_fetch_isValid;
assign io_cpu_fetch_mmuBus_cmd_virtualAddress = io_cpu_fetch_pc;
assign io_cpu_fetch_mmuBus_cmd_bypassTranslation = 1'b0;
assign io_cpu_fetch_mmuBus_end = ((! io_cpu_fetch_isStuck) || io_cpu_fetch_isRemoved);
assign io_cpu_fetch_physicalAddress = io_cpu_fetch_mmuBus_rsp_physicalAddress;
assign io_cpu_decode_cacheMiss = (! decodeStage_hit_valid);
assign io_cpu_decode_error = decodeStage_hit_error;
assign io_cpu_decode_mmuRefilling = decodeStage_mmuRsp_refilling;
assign io_cpu_decode_mmuException = ((! decodeStage_mmuRsp_refilling) && (decodeStage_mmuRsp_exception || (! decodeStage_mmuRsp_allowExecute)));
assign io_cpu_decode_physicalAddress = decodeStage_mmuRsp_physicalAddress;
always @ (posedge clk) begin
if(reset) begin
lineLoader_valid <= 1'b0;
lineLoader_hadError <= 1'b0;
lineLoader_flushPending <= 1'b1;
lineLoader_cmdSent <= 1'b0;
lineLoader_wordIndex <= (3'b000);
end else begin
if(lineLoader_fire)begin
lineLoader_valid <= 1'b0;
end
if(lineLoader_fire)begin
lineLoader_hadError <= 1'b0;
end
if(io_cpu_fill_valid)begin
lineLoader_valid <= 1'b1;
end
if(io_flush)begin
lineLoader_flushPending <= 1'b1;
end
if(_zz_13_)begin
lineLoader_flushPending <= 1'b0;
end
if((io_mem_cmd_valid && io_mem_cmd_ready))begin
lineLoader_cmdSent <= 1'b1;
end
if(lineLoader_fire)begin
lineLoader_cmdSent <= 1'b0;
end
if(io_mem_rsp_valid)begin
lineLoader_wordIndex <= (lineLoader_wordIndex + (3'b001));
if(io_mem_rsp_payload_error)begin
lineLoader_hadError <= 1'b1;
end
end
end
end
always @ (posedge clk) begin
if(io_cpu_fill_valid)begin
lineLoader_address <= io_cpu_fill_payload;
end
if(_zz_12_)begin
lineLoader_flushCounter <= (lineLoader_flushCounter + (8'b00000001));
end
_zz_3_ <= lineLoader_flushCounter[7];
if(_zz_13_)begin
lineLoader_flushCounter <= (8'b00000000);
end
if((! io_cpu_decode_isStuck))begin
io_cpu_fetch_data_regNextWhen <= io_cpu_fetch_data;
end
if((! io_cpu_decode_isStuck))begin
decodeStage_mmuRsp_physicalAddress <= io_cpu_fetch_mmuBus_rsp_physicalAddress;
decodeStage_mmuRsp_isIoAccess <= io_cpu_fetch_mmuBus_rsp_isIoAccess;
decodeStage_mmuRsp_allowRead <= io_cpu_fetch_mmuBus_rsp_allowRead;
decodeStage_mmuRsp_allowWrite <= io_cpu_fetch_mmuBus_rsp_allowWrite;
decodeStage_mmuRsp_allowExecute <= io_cpu_fetch_mmuBus_rsp_allowExecute;
decodeStage_mmuRsp_exception <= io_cpu_fetch_mmuBus_rsp_exception;
decodeStage_mmuRsp_refilling <= io_cpu_fetch_mmuBus_rsp_refilling;
end
if((! io_cpu_decode_isStuck))begin
decodeStage_hit_valid <= fetchStage_hit_valid;
end
if((! io_cpu_decode_isStuck))begin
decodeStage_hit_error <= fetchStage_hit_error;
end
end
endmodule
module DataCache (
input io_cpu_execute_isValid,
input [31:0] io_cpu_execute_address,
input io_cpu_execute_args_wr,
input [31:0] io_cpu_execute_args_data,
input [1:0] io_cpu_execute_args_size,
input io_cpu_memory_isValid,
input io_cpu_memory_isStuck,
input io_cpu_memory_isRemoved,
output io_cpu_memory_isWrite,
input [31:0] io_cpu_memory_address,
output io_cpu_memory_mmuBus_cmd_isValid,
output [31:0] io_cpu_memory_mmuBus_cmd_virtualAddress,
output io_cpu_memory_mmuBus_cmd_bypassTranslation,
input [31:0] io_cpu_memory_mmuBus_rsp_physicalAddress,
input io_cpu_memory_mmuBus_rsp_isIoAccess,
input io_cpu_memory_mmuBus_rsp_allowRead,
input io_cpu_memory_mmuBus_rsp_allowWrite,
input io_cpu_memory_mmuBus_rsp_allowExecute,
input io_cpu_memory_mmuBus_rsp_exception,
input io_cpu_memory_mmuBus_rsp_refilling,
output io_cpu_memory_mmuBus_end,
input io_cpu_memory_mmuBus_busy,
input io_cpu_writeBack_isValid,
input io_cpu_writeBack_isStuck,
input io_cpu_writeBack_isUser,
output reg io_cpu_writeBack_haltIt,
output io_cpu_writeBack_isWrite,
output reg [31:0] io_cpu_writeBack_data,
input [31:0] io_cpu_writeBack_address,
output io_cpu_writeBack_mmuException,
output io_cpu_writeBack_unalignedAccess,
output reg io_cpu_writeBack_accessError,
output reg io_cpu_redo,
input io_cpu_flush_valid,
output reg io_cpu_flush_ready,
output reg io_mem_cmd_valid,
input io_mem_cmd_ready,
output reg io_mem_cmd_payload_wr,
output reg [31:0] io_mem_cmd_payload_address,
output [31:0] io_mem_cmd_payload_data,
output [3:0] io_mem_cmd_payload_mask,
output reg [2:0] io_mem_cmd_payload_length,
output reg io_mem_cmd_payload_last,
input io_mem_rsp_valid,
input [31:0] io_mem_rsp_payload_data,
input io_mem_rsp_payload_error,
input clk,
input reset);
reg [21:0] _zz_10_;
reg [31:0] _zz_11_;
wire _zz_12_;
wire _zz_13_;
wire _zz_14_;
wire _zz_15_;
wire _zz_16_;
wire _zz_17_;
wire [0:0] _zz_18_;
wire [0:0] _zz_19_;
wire [0:0] _zz_20_;
wire [2:0] _zz_21_;
wire [1:0] _zz_22_;
wire [21:0] _zz_23_;
reg _zz_1_;
reg _zz_2_;
wire haltCpu;
reg tagsReadCmd_valid;
reg [6:0] tagsReadCmd_payload;
reg tagsWriteCmd_valid;
reg [0:0] tagsWriteCmd_payload_way;
reg [6:0] tagsWriteCmd_payload_address;
reg tagsWriteCmd_payload_data_valid;
reg tagsWriteCmd_payload_data_error;
reg [19:0] tagsWriteCmd_payload_data_address;
reg tagsWriteLastCmd_valid;
reg [0:0] tagsWriteLastCmd_payload_way;
reg [6:0] tagsWriteLastCmd_payload_address;
reg tagsWriteLastCmd_payload_data_valid;
reg tagsWriteLastCmd_payload_data_error;
reg [19:0] tagsWriteLastCmd_payload_data_address;
reg dataReadCmd_valid;
reg [9:0] dataReadCmd_payload;
reg dataWriteCmd_valid;
reg [0:0] dataWriteCmd_payload_way;
reg [9:0] dataWriteCmd_payload_address;
reg [31:0] dataWriteCmd_payload_data;
reg [3:0] dataWriteCmd_payload_mask;
wire _zz_3_;
wire ways_0_tagsReadRsp_valid;
wire ways_0_tagsReadRsp_error;
wire [19:0] ways_0_tagsReadRsp_address;
wire [21:0] _zz_4_;
wire _zz_5_;
wire [31:0] ways_0_dataReadRsp;
reg [3:0] _zz_6_;
wire [3:0] stage0_mask;
wire [0:0] stage0_colisions;
reg stageA_request_wr;
reg [31:0] stageA_request_data;
reg [1:0] stageA_request_size;
reg [3:0] stageA_mask;
wire stageA_wayHits_0;
reg [0:0] stage0_colisions_regNextWhen;
wire [0:0] _zz_7_;
wire [0:0] stageA_colisions;
reg stageB_request_wr;
reg [31:0] stageB_request_data;
reg [1:0] stageB_request_size;
reg stageB_mmuRspFreeze;
reg [31:0] stageB_mmuRsp_physicalAddress;
reg stageB_mmuRsp_isIoAccess;
reg stageB_mmuRsp_allowRead;
reg stageB_mmuRsp_allowWrite;
reg stageB_mmuRsp_allowExecute;
reg stageB_mmuRsp_exception;
reg stageB_mmuRsp_refilling;
reg stageB_tagsReadRsp_0_valid;
reg stageB_tagsReadRsp_0_error;
reg [19:0] stageB_tagsReadRsp_0_address;
reg [31:0] stageB_dataReadRsp_0;
wire [0:0] _zz_8_;
reg [0:0] stageB_waysHits;
wire stageB_waysHit;
wire [31:0] stageB_dataMux;
reg [3:0] stageB_mask;
reg [0:0] stageB_colisions;
reg stageB_loaderValid;
reg stageB_flusher_valid;
wire [31:0] stageB_requestDataBypass;
wire stageB_isAmo;
reg stageB_memCmdSent;
wire [0:0] _zz_9_;
reg loader_valid;
reg loader_counter_willIncrement;
wire loader_counter_willClear;
reg [2:0] loader_counter_valueNext;
reg [2:0] loader_counter_value;
wire loader_counter_willOverflowIfInc;
wire loader_counter_willOverflow;
reg [0:0] loader_waysAllocator;
reg loader_error;
(* ram_style = "block" *) reg [21:0] ways_0_tags [0:127];
(* ram_style = "block" *) reg [7:0] ways_0_data_symbol0 [0:1023];
(* ram_style = "block" *) reg [7:0] ways_0_data_symbol1 [0:1023];
(* ram_style = "block" *) reg [7:0] ways_0_data_symbol2 [0:1023];
(* ram_style = "block" *) reg [7:0] ways_0_data_symbol3 [0:1023];
reg [7:0] _zz_24_;
reg [7:0] _zz_25_;
reg [7:0] _zz_26_;
reg [7:0] _zz_27_;
assign _zz_12_ = (io_cpu_execute_isValid && (! io_cpu_memory_isStuck));
assign _zz_13_ = (((stageB_mmuRsp_refilling || io_cpu_writeBack_accessError) || io_cpu_writeBack_mmuException) || io_cpu_writeBack_unalignedAccess);
assign _zz_14_ = (stageB_waysHit || (stageB_request_wr && (! stageB_isAmo)));
assign _zz_15_ = (loader_valid && io_mem_rsp_valid);
assign _zz_16_ = ((((io_cpu_flush_valid && (! io_cpu_execute_isValid)) && (! io_cpu_memory_isValid)) && (! io_cpu_writeBack_isValid)) && (! io_cpu_redo));
assign _zz_17_ = ((! io_cpu_writeBack_isStuck) && (! stageB_mmuRspFreeze));
assign _zz_18_ = _zz_4_[0 : 0];
assign _zz_19_ = _zz_4_[1 : 1];
assign _zz_20_ = loader_counter_willIncrement;
assign _zz_21_ = {2'd0, _zz_20_};
assign _zz_22_ = {loader_waysAllocator,loader_waysAllocator[0]};
assign _zz_23_ = {tagsWriteCmd_payload_data_address,{tagsWriteCmd_payload_data_error,tagsWriteCmd_payload_data_valid}};
always @ (posedge clk) begin
if(_zz_2_) begin
ways_0_tags[tagsWriteCmd_payload_address] <= _zz_23_;
end
end
always @ (posedge clk) begin
if(_zz_3_) begin
_zz_10_ <= ways_0_tags[tagsReadCmd_payload];
end
end
always @ (*) begin
_zz_11_ = {_zz_27_, _zz_26_, _zz_25_, _zz_24_};
end
always @ (posedge clk) begin
if(dataWriteCmd_payload_mask[0] && _zz_1_) begin
ways_0_data_symbol0[dataWriteCmd_payload_address] <= dataWriteCmd_payload_data[7 : 0];
end
if(dataWriteCmd_payload_mask[1] && _zz_1_) begin
ways_0_data_symbol1[dataWriteCmd_payload_address] <= dataWriteCmd_payload_data[15 : 8];
end
if(dataWriteCmd_payload_mask[2] && _zz_1_) begin
ways_0_data_symbol2[dataWriteCmd_payload_address] <= dataWriteCmd_payload_data[23 : 16];
end
if(dataWriteCmd_payload_mask[3] && _zz_1_) begin
ways_0_data_symbol3[dataWriteCmd_payload_address] <= dataWriteCmd_payload_data[31 : 24];
end
end
always @ (posedge clk) begin
if(_zz_5_) begin
_zz_24_ <= ways_0_data_symbol0[dataReadCmd_payload];
_zz_25_ <= ways_0_data_symbol1[dataReadCmd_payload];
_zz_26_ <= ways_0_data_symbol2[dataReadCmd_payload];
_zz_27_ <= ways_0_data_symbol3[dataReadCmd_payload];
end
end
always @ (*) begin
_zz_1_ = 1'b0;
if((dataWriteCmd_valid && dataWriteCmd_payload_way[0]))begin
_zz_1_ = 1'b1;
end
end
always @ (*) begin
_zz_2_ = 1'b0;
if((tagsWriteCmd_valid && tagsWriteCmd_payload_way[0]))begin
_zz_2_ = 1'b1;
end
end
assign haltCpu = 1'b0;
assign _zz_3_ = (tagsReadCmd_valid && (! io_cpu_memory_isStuck));
assign _zz_4_ = _zz_10_;
assign ways_0_tagsReadRsp_valid = _zz_18_[0];
assign ways_0_tagsReadRsp_error = _zz_19_[0];
assign ways_0_tagsReadRsp_address = _zz_4_[21 : 2];
assign _zz_5_ = (dataReadCmd_valid && (! io_cpu_memory_isStuck));
assign ways_0_dataReadRsp = _zz_11_;
always @ (*) begin
tagsReadCmd_valid = 1'b0;
if(_zz_12_)begin
tagsReadCmd_valid = 1'b1;
end
end
always @ (*) begin
tagsReadCmd_payload = (7'bxxxxxxx);
if(_zz_12_)begin
tagsReadCmd_payload = io_cpu_execute_address[11 : 5];
end
end
always @ (*) begin
dataReadCmd_valid = 1'b0;
if(_zz_12_)begin
dataReadCmd_valid = 1'b1;
end
end
always @ (*) begin
dataReadCmd_payload = (10'bxxxxxxxxxx);
if(_zz_12_)begin
dataReadCmd_payload = io_cpu_execute_address[11 : 2];
end
end
always @ (*) begin
tagsWriteCmd_valid = 1'b0;
if(stageB_flusher_valid)begin
tagsWriteCmd_valid = stageB_flusher_valid;
end
if(_zz_13_)begin
tagsWriteCmd_valid = 1'b0;
end
if(loader_counter_willOverflow)begin
tagsWriteCmd_valid = 1'b1;
end
end
always @ (*) begin
tagsWriteCmd_payload_way = (1'bx);
if(stageB_flusher_valid)begin
tagsWriteCmd_payload_way = (1'b1);
end
if(loader_counter_willOverflow)begin
tagsWriteCmd_payload_way = loader_waysAllocator;
end
end
always @ (*) begin
tagsWriteCmd_payload_address = (7'bxxxxxxx);
if(stageB_flusher_valid)begin
tagsWriteCmd_payload_address = stageB_mmuRsp_physicalAddress[11 : 5];
end
if(loader_counter_willOverflow)begin
tagsWriteCmd_payload_address = stageB_mmuRsp_physicalAddress[11 : 5];
end
end
always @ (*) begin
tagsWriteCmd_payload_data_valid = 1'bx;
if(stageB_flusher_valid)begin
tagsWriteCmd_payload_data_valid = 1'b0;
end
if(loader_counter_willOverflow)begin
tagsWriteCmd_payload_data_valid = 1'b1;
end
end
always @ (*) begin
tagsWriteCmd_payload_data_error = 1'bx;
if(loader_counter_willOverflow)begin
tagsWriteCmd_payload_data_error = (loader_error || io_mem_rsp_payload_error);
end
end
always @ (*) begin
tagsWriteCmd_payload_data_address = (20'bxxxxxxxxxxxxxxxxxxxx);
if(loader_counter_willOverflow)begin
tagsWriteCmd_payload_data_address = stageB_mmuRsp_physicalAddress[31 : 12];
end
end
always @ (*) begin
dataWriteCmd_valid = 1'b0;
if(io_cpu_writeBack_isValid)begin
if(! stageB_mmuRsp_isIoAccess) begin
if(_zz_14_)begin
if((stageB_request_wr && stageB_waysHit))begin
dataWriteCmd_valid = 1'b1;
end
end
end
end
if(_zz_13_)begin
dataWriteCmd_valid = 1'b0;
end
if(_zz_15_)begin
dataWriteCmd_valid = 1'b1;
end
end
always @ (*) begin
dataWriteCmd_payload_way = (1'bx);
if(io_cpu_writeBack_isValid)begin
if(! stageB_mmuRsp_isIoAccess) begin
if(_zz_14_)begin
dataWriteCmd_payload_way = stageB_waysHits;
end
end
end
if(_zz_15_)begin
dataWriteCmd_payload_way = loader_waysAllocator;
end
end
always @ (*) begin
dataWriteCmd_payload_address = (10'bxxxxxxxxxx);
if(io_cpu_writeBack_isValid)begin
if(! stageB_mmuRsp_isIoAccess) begin
if(_zz_14_)begin
dataWriteCmd_payload_address = stageB_mmuRsp_physicalAddress[11 : 2];
end
end
end
if(_zz_15_)begin
dataWriteCmd_payload_address = {stageB_mmuRsp_physicalAddress[11 : 5],loader_counter_value};
end
end
always @ (*) begin
dataWriteCmd_payload_data = (32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx);
if(io_cpu_writeBack_isValid)begin
if(! stageB_mmuRsp_isIoAccess) begin
if(_zz_14_)begin
dataWriteCmd_payload_data = stageB_requestDataBypass;
end
end
end
if(_zz_15_)begin
dataWriteCmd_payload_data = io_mem_rsp_payload_data;
end
end
always @ (*) begin
dataWriteCmd_payload_mask = (4'bxxxx);
if(io_cpu_writeBack_isValid)begin
if(! stageB_mmuRsp_isIoAccess) begin
if(_zz_14_)begin
dataWriteCmd_payload_mask = stageB_mask;
end
end
end
if(_zz_15_)begin
dataWriteCmd_payload_mask = (4'b1111);
end
end
always @ (*) begin
case(io_cpu_execute_args_size)
2'b00 : begin
_zz_6_ = (4'b0001);
end
2'b01 : begin
_zz_6_ = (4'b0011);
end
default : begin
_zz_6_ = (4'b1111);
end
endcase
end
assign stage0_mask = (_zz_6_ <<< io_cpu_execute_address[1 : 0]);
assign stage0_colisions[0] = (((dataWriteCmd_valid && dataWriteCmd_payload_way[0]) && (dataWriteCmd_payload_address == io_cpu_execute_address[11 : 2])) && ((stage0_mask & dataWriteCmd_payload_mask) != (4'b0000)));
assign io_cpu_memory_mmuBus_cmd_isValid = io_cpu_memory_isValid;
assign io_cpu_memory_mmuBus_cmd_virtualAddress = io_cpu_memory_address;
assign io_cpu_memory_mmuBus_cmd_bypassTranslation = 1'b0;
assign io_cpu_memory_mmuBus_end = ((! io_cpu_memory_isStuck) || io_cpu_memory_isRemoved);
assign io_cpu_memory_isWrite = stageA_request_wr;
assign stageA_wayHits_0 = ((io_cpu_memory_mmuBus_rsp_physicalAddress[31 : 12] == ways_0_tagsReadRsp_address) && ways_0_tagsReadRsp_valid);
assign _zz_7_[0] = (((dataWriteCmd_valid && dataWriteCmd_payload_way[0]) && (dataWriteCmd_payload_address == io_cpu_memory_address[11 : 2])) && ((stageA_mask & dataWriteCmd_payload_mask) != (4'b0000)));
assign stageA_colisions = (stage0_colisions_regNextWhen | _zz_7_);
always @ (*) begin
stageB_mmuRspFreeze = 1'b0;
if((stageB_loaderValid || loader_valid))begin
stageB_mmuRspFreeze = 1'b1;
end
end
assign _zz_8_[0] = stageA_wayHits_0;
assign stageB_waysHit = (stageB_waysHits != (1'b0));
assign stageB_dataMux = stageB_dataReadRsp_0;
always @ (*) begin
stageB_loaderValid = 1'b0;
if(io_cpu_writeBack_isValid)begin
if(! stageB_mmuRsp_isIoAccess) begin
if(! _zz_14_) begin
if(io_mem_cmd_ready)begin
stageB_loaderValid = 1'b1;
end
end
end
end
if(_zz_13_)begin
stageB_loaderValid = 1'b0;
end
end
always @ (*) begin
io_cpu_writeBack_haltIt = io_cpu_writeBack_isValid;
if(stageB_flusher_valid)begin
io_cpu_writeBack_haltIt = 1'b1;
end
if(io_cpu_writeBack_isValid)begin
if(stageB_mmuRsp_isIoAccess)begin
if((stageB_request_wr ? io_mem_cmd_ready : io_mem_rsp_valid))begin
io_cpu_writeBack_haltIt = 1'b0;
end
end else begin
if(_zz_14_)begin
if(((! stageB_request_wr) || io_mem_cmd_ready))begin
io_cpu_writeBack_haltIt = 1'b0;
end
end
end
end
if(_zz_13_)begin
io_cpu_writeBack_haltIt = 1'b0;
end
end
always @ (*) begin
io_cpu_flush_ready = 1'b0;
if(_zz_16_)begin
io_cpu_flush_ready = 1'b1;
end
end
assign stageB_requestDataBypass = stageB_request_data;
assign stageB_isAmo = 1'b0;
always @ (*) begin
io_cpu_redo = 1'b0;
if(io_cpu_writeBack_isValid)begin
if(! stageB_mmuRsp_isIoAccess) begin
if(_zz_14_)begin
if((((! stageB_request_wr) || stageB_isAmo) && ((stageB_colisions & stageB_waysHits) != (1'b0))))begin
io_cpu_redo = 1'b1;
end
end
end
end
if((io_cpu_writeBack_isValid && stageB_mmuRsp_refilling))begin
io_cpu_redo = 1'b1;
end
if(loader_valid)begin
io_cpu_redo = 1'b1;
end
end
always @ (*) begin
io_cpu_writeBack_accessError = 1'b0;
if(stageB_mmuRsp_isIoAccess)begin
io_cpu_writeBack_accessError = (io_mem_rsp_valid && io_mem_rsp_payload_error);
end else begin
io_cpu_writeBack_accessError = ((stageB_waysHits & _zz_9_) != (1'b0));
end
end
assign io_cpu_writeBack_mmuException = (io_cpu_writeBack_isValid && ((stageB_mmuRsp_exception || ((! stageB_mmuRsp_allowWrite) && stageB_request_wr)) || ((! stageB_mmuRsp_allowRead) && ((! stageB_request_wr) || stageB_isAmo))));
assign io_cpu_writeBack_unalignedAccess = (io_cpu_writeBack_isValid && (((stageB_request_size == (2'b10)) && (stageB_mmuRsp_physicalAddress[1 : 0] != (2'b00))) || ((stageB_request_size == (2'b01)) && (stageB_mmuRsp_physicalAddress[0 : 0] != (1'b0)))));
assign io_cpu_writeBack_isWrite = stageB_request_wr;
always @ (*) begin
io_mem_cmd_valid = 1'b0;
if(io_cpu_writeBack_isValid)begin
if(stageB_mmuRsp_isIoAccess)begin
io_mem_cmd_valid = (! stageB_memCmdSent);
end else begin
if(_zz_14_)begin
if(stageB_request_wr)begin
io_mem_cmd_valid = 1'b1;
end
end else begin
if((! stageB_memCmdSent))begin
io_mem_cmd_valid = 1'b1;
end
end
end
end
if(_zz_13_)begin
io_mem_cmd_valid = 1'b0;
end
end
always @ (*) begin
io_mem_cmd_payload_address = (32'bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx);
if(io_cpu_writeBack_isValid)begin
if(stageB_mmuRsp_isIoAccess)begin
io_mem_cmd_payload_address = {stageB_mmuRsp_physicalAddress[31 : 2],(2'b00)};
end else begin
if(_zz_14_)begin
io_mem_cmd_payload_address = {stageB_mmuRsp_physicalAddress[31 : 2],(2'b00)};
end else begin
io_mem_cmd_payload_address = {stageB_mmuRsp_physicalAddress[31 : 5],(5'b00000)};
end
end
end
end
always @ (*) begin
io_mem_cmd_payload_length = (3'bxxx);
if(io_cpu_writeBack_isValid)begin
if(stageB_mmuRsp_isIoAccess)begin
io_mem_cmd_payload_length = (3'b000);
end else begin
if(_zz_14_)begin
io_mem_cmd_payload_length = (3'b000);
end else begin
io_mem_cmd_payload_length = (3'b111);
end
end
end
end
always @ (*) begin
io_mem_cmd_payload_last = 1'bx;
if(io_cpu_writeBack_isValid)begin
if(stageB_mmuRsp_isIoAccess)begin
io_mem_cmd_payload_last = 1'b1;
end else begin
if(_zz_14_)begin
io_mem_cmd_payload_last = 1'b1;
end else begin
io_mem_cmd_payload_last = 1'b1;
end
end
end
end
always @ (*) begin
io_mem_cmd_payload_wr = stageB_request_wr;
if(io_cpu_writeBack_isValid)begin
if(! stageB_mmuRsp_isIoAccess) begin
if(! _zz_14_) begin
io_mem_cmd_payload_wr = 1'b0;
end
end
end
end
assign io_mem_cmd_payload_mask = stageB_mask;
assign io_mem_cmd_payload_data = stageB_requestDataBypass;
always @ (*) begin
if(stageB_mmuRsp_isIoAccess)begin
io_cpu_writeBack_data = io_mem_rsp_payload_data;
end else begin
io_cpu_writeBack_data = stageB_dataMux;
end
end
assign _zz_9_[0] = stageB_tagsReadRsp_0_error;
always @ (*) begin
loader_counter_willIncrement = 1'b0;
if(_zz_15_)begin
loader_counter_willIncrement = 1'b1;
end
end
assign loader_counter_willClear = 1'b0;
assign loader_counter_willOverflowIfInc = (loader_counter_value == (3'b111));
assign loader_counter_willOverflow = (loader_counter_willOverflowIfInc && loader_counter_willIncrement);
always @ (*) begin
loader_counter_valueNext = (loader_counter_value + _zz_21_);
if(loader_counter_willClear)begin
loader_counter_valueNext = (3'b000);
end
end
always @ (posedge clk) begin
tagsWriteLastCmd_valid <= tagsWriteCmd_valid;
tagsWriteLastCmd_payload_way <= tagsWriteCmd_payload_way;
tagsWriteLastCmd_payload_address <= tagsWriteCmd_payload_address;
tagsWriteLastCmd_payload_data_valid <= tagsWriteCmd_payload_data_valid;
tagsWriteLastCmd_payload_data_error <= tagsWriteCmd_payload_data_error;
tagsWriteLastCmd_payload_data_address <= tagsWriteCmd_payload_data_address;
if((! io_cpu_memory_isStuck))begin
stageA_request_wr <= io_cpu_execute_args_wr;
stageA_request_data <= io_cpu_execute_args_data;
stageA_request_size <= io_cpu_execute_args_size;
end
if((! io_cpu_memory_isStuck))begin
stageA_mask <= stage0_mask;
end
if((! io_cpu_memory_isStuck))begin
stage0_colisions_regNextWhen <= stage0_colisions;
end
if((! io_cpu_writeBack_isStuck))begin
stageB_request_wr <= stageA_request_wr;
stageB_request_data <= stageA_request_data;
stageB_request_size <= stageA_request_size;
end
if(_zz_17_)begin
stageB_mmuRsp_isIoAccess <= io_cpu_memory_mmuBus_rsp_isIoAccess;
stageB_mmuRsp_allowRead <= io_cpu_memory_mmuBus_rsp_allowRead;
stageB_mmuRsp_allowWrite <= io_cpu_memory_mmuBus_rsp_allowWrite;
stageB_mmuRsp_allowExecute <= io_cpu_memory_mmuBus_rsp_allowExecute;
stageB_mmuRsp_exception <= io_cpu_memory_mmuBus_rsp_exception;
stageB_mmuRsp_refilling <= io_cpu_memory_mmuBus_rsp_refilling;
end
if((! io_cpu_writeBack_isStuck))begin
stageB_tagsReadRsp_0_valid <= ways_0_tagsReadRsp_valid;
stageB_tagsReadRsp_0_error <= ways_0_tagsReadRsp_error;
stageB_tagsReadRsp_0_address <= ways_0_tagsReadRsp_address;
end
if((! io_cpu_writeBack_isStuck))begin
stageB_dataReadRsp_0 <= ways_0_dataReadRsp;
end
if((! io_cpu_writeBack_isStuck))begin
stageB_waysHits <= _zz_8_;
end
if((! io_cpu_writeBack_isStuck))begin
stageB_mask <= stageA_mask;
end
if((! io_cpu_writeBack_isStuck))begin
stageB_colisions <= stageA_colisions;
end
if(!(! ((io_cpu_writeBack_isValid && (! io_cpu_writeBack_haltIt)) && io_cpu_writeBack_isStuck))) begin
$display("ERROR writeBack stuck by another plugin is not allowed");
end
end
always @ (posedge clk) begin
if(reset) begin
stageB_flusher_valid <= 1'b1;
stageB_mmuRsp_physicalAddress <= (32'b00000000000000000000000000000000);
stageB_memCmdSent <= 1'b0;
loader_valid <= 1'b0;
loader_counter_value <= (3'b000);
loader_waysAllocator <= (1'b1);
loader_error <= 1'b0;
end else begin
if(_zz_17_)begin
stageB_mmuRsp_physicalAddress <= io_cpu_memory_mmuBus_rsp_physicalAddress;
end