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Add input checks option and add TKEEP to aws axi

This commit is contained in:
bsdevlin 2019-06-25 23:20:54 +08:00
parent e9433118a8
commit 189a301918
3 changed files with 40 additions and 31 deletions
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21
aws/cl_zcash/ip/axi_fifo_mm_s_0.xci
View File

@ -17,7 +17,7 @@
<spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.ACLK_S_AXI.PHASE">0.000</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.ACLK_S_AXI.PHASE">0.000</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_RXD.CLK_DOMAIN"/> <spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_RXD.CLK_DOMAIN"/>
<spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_RXD.FREQ_HZ">100000000</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_RXD.FREQ_HZ">100000000</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_RXD.HAS_TKEEP">0</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_RXD.HAS_TKEEP">1</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_RXD.HAS_TLAST">1</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_RXD.HAS_TLAST">1</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_RXD.HAS_TREADY">1</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_RXD.HAS_TREADY">1</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_RXD.HAS_TSTRB">0</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_RXD.HAS_TSTRB">0</spirit:configurableElementValue>
@ -43,7 +43,7 @@
<spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_TXC.TUSER_WIDTH">0</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_TXC.TUSER_WIDTH">0</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_TXD.CLK_DOMAIN"/> <spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_TXD.CLK_DOMAIN"/>
<spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_TXD.FREQ_HZ">100000000</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_TXD.FREQ_HZ">100000000</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_TXD.HAS_TKEEP">0</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_TXD.HAS_TKEEP">1</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_TXD.HAS_TLAST">1</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_TXD.HAS_TLAST">1</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_TXD.HAS_TREADY">1</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_TXD.HAS_TREADY">1</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_TXD.HAS_TSTRB">0</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.AXI_STR_TXD.HAS_TSTRB">0</spirit:configurableElementValue>
@ -122,19 +122,19 @@
<spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.S_AXI_FULL.WUSER_BITS_PER_BYTE">0</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.S_AXI_FULL.WUSER_BITS_PER_BYTE">0</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.S_AXI_FULL.WUSER_WIDTH">0</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="BUSIFPARAM_VALUE.S_AXI_FULL.WUSER_WIDTH">0</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_AXI4_BASEADDR">0x00000000</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_AXI4_BASEADDR">0x00000000</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_AXI4_HIGHADDR">0x00002FFF</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_AXI4_HIGHADDR">0x80002FFF</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_AXIS_TDEST_WIDTH">4</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_AXIS_TDEST_WIDTH">4</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_AXIS_TID_WIDTH">4</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_AXIS_TID_WIDTH">4</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_AXIS_TUSER_WIDTH">64</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_AXIS_TUSER_WIDTH">64</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_BASEADDR">0x00000000</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_BASEADDR">0x80000000</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_DATA_INTERFACE_TYPE">1</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_DATA_INTERFACE_TYPE">1</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_FAMILY">virtexuplus</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_FAMILY">virtexuplus</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_HAS_AXIS_TDEST">0</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_HAS_AXIS_TDEST">0</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_HAS_AXIS_TID">0</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_HAS_AXIS_TID">0</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_HAS_AXIS_TKEEP">0</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_HAS_AXIS_TKEEP">1</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_HAS_AXIS_TSTRB">0</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_HAS_AXIS_TSTRB">0</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_HAS_AXIS_TUSER">0</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_HAS_AXIS_TUSER">0</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_HIGHADDR">0x00000FFF</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_HIGHADDR">0x80000FFF</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_RX_FIFO_DEPTH">512</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_RX_FIFO_DEPTH">512</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_RX_FIFO_PE_THRESHOLD">5</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_RX_FIFO_PE_THRESHOLD">5</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_RX_FIFO_PF_THRESHOLD">507</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_RX_FIFO_PF_THRESHOLD">507</spirit:configurableElementValue>
@ -151,7 +151,7 @@
<spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_USE_TX_CUT_THROUGH">0</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_USE_TX_CUT_THROUGH">0</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_USE_TX_DATA">1</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="MODELPARAM_VALUE.C_USE_TX_DATA">1</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_AXI4_BASEADDR">0x00000000</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_AXI4_BASEADDR">0x00000000</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_AXI4_HIGHADDR">0x00002FFF</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_AXI4_HIGHADDR">0x80002FFF</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_AXIS_TDEST_WIDTH">4</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_AXIS_TDEST_WIDTH">4</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_AXIS_TID_WIDTH">4</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_AXIS_TID_WIDTH">4</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_AXIS_TUSER_WIDTH">64</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_AXIS_TUSER_WIDTH">64</spirit:configurableElementValue>
@ -161,11 +161,11 @@
<spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_AXI_STR_TXC_TDATA_WIDTH">32</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_AXI_STR_TXC_TDATA_WIDTH">32</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_AXI_STR_TXD_PROTOCOL">XIL_AXI_STREAM_ETH_DATA</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_AXI_STR_TXD_PROTOCOL">XIL_AXI_STREAM_ETH_DATA</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_AXI_STR_TXD_TDATA_WIDTH">32</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_AXI_STR_TXD_TDATA_WIDTH">32</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_BASEADDR">0x00000000</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_BASEADDR">0x80000000</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_DATA_INTERFACE_TYPE">1</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_DATA_INTERFACE_TYPE">1</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_HAS_AXIS_TDEST">false</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_HAS_AXIS_TDEST">false</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_HAS_AXIS_TID">false</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_HAS_AXIS_TID">false</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_HAS_AXIS_TKEEP">false</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_HAS_AXIS_TKEEP">true</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_HAS_AXIS_TSTRB">false</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_HAS_AXIS_TSTRB">false</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_HAS_AXIS_TUSER">false</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_HAS_AXIS_TUSER">false</spirit:configurableElementValue>
<spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_HIGHADDR">0x80000FFF</spirit:configurableElementValue> <spirit:configurableElementValue spirit:referenceId="PARAM_VALUE.C_HIGHADDR">0x80000FFF</spirit:configurableElementValue>
@ -212,10 +212,12 @@
<spirit:vendorExtensions> <spirit:vendorExtensions>
<xilinx:componentInstanceExtensions> <xilinx:componentInstanceExtensions>
<xilinx:configElementInfos> <xilinx:configElementInfos>
<xilinx:configElementInfo xilinx:referenceId="BUSIFPARAM_VALUE.AXI_STR_RXD.HAS_TKEEP" xilinx:valueSource="auto"/>
<xilinx:configElementInfo xilinx:referenceId="BUSIFPARAM_VALUE.AXI_STR_RXD.HAS_TLAST" xilinx:valueSource="auto"/> <xilinx:configElementInfo xilinx:referenceId="BUSIFPARAM_VALUE.AXI_STR_RXD.HAS_TLAST" xilinx:valueSource="auto"/>
<xilinx:configElementInfo xilinx:referenceId="BUSIFPARAM_VALUE.AXI_STR_RXD.TDATA_NUM_BYTES" xilinx:valueSource="auto"/> <xilinx:configElementInfo xilinx:referenceId="BUSIFPARAM_VALUE.AXI_STR_RXD.TDATA_NUM_BYTES" xilinx:valueSource="auto"/>
<xilinx:configElementInfo xilinx:referenceId="BUSIFPARAM_VALUE.AXI_STR_TXC.HAS_TREADY" xilinx:valueSource="auto"/> <xilinx:configElementInfo xilinx:referenceId="BUSIFPARAM_VALUE.AXI_STR_TXC.HAS_TREADY" xilinx:valueSource="auto"/>
<xilinx:configElementInfo xilinx:referenceId="BUSIFPARAM_VALUE.AXI_STR_TXC.TDATA_NUM_BYTES" xilinx:valueSource="auto"/> <xilinx:configElementInfo xilinx:referenceId="BUSIFPARAM_VALUE.AXI_STR_TXC.TDATA_NUM_BYTES" xilinx:valueSource="auto"/>
<xilinx:configElementInfo xilinx:referenceId="BUSIFPARAM_VALUE.AXI_STR_TXD.HAS_TKEEP" xilinx:valueSource="auto"/>
<xilinx:configElementInfo xilinx:referenceId="BUSIFPARAM_VALUE.AXI_STR_TXD.HAS_TLAST" xilinx:valueSource="auto"/> <xilinx:configElementInfo xilinx:referenceId="BUSIFPARAM_VALUE.AXI_STR_TXD.HAS_TLAST" xilinx:valueSource="auto"/>
<xilinx:configElementInfo xilinx:referenceId="BUSIFPARAM_VALUE.AXI_STR_TXD.TDATA_NUM_BYTES" xilinx:valueSource="auto"/> <xilinx:configElementInfo xilinx:referenceId="BUSIFPARAM_VALUE.AXI_STR_TXD.TDATA_NUM_BYTES" xilinx:valueSource="auto"/>
<xilinx:configElementInfo xilinx:referenceId="BUSIFPARAM_VALUE.S_AXI.ARUSER_WIDTH" xilinx:valueSource="constant"/> <xilinx:configElementInfo xilinx:referenceId="BUSIFPARAM_VALUE.S_AXI.ARUSER_WIDTH" xilinx:valueSource="constant"/>
@ -242,6 +244,7 @@
<xilinx:configElementInfo xilinx:referenceId="BUSIFPARAM_VALUE.S_AXI_FULL.WUSER_WIDTH" xilinx:valueSource="constant"/> <xilinx:configElementInfo xilinx:referenceId="BUSIFPARAM_VALUE.S_AXI_FULL.WUSER_WIDTH" xilinx:valueSource="constant"/>
<xilinx:configElementInfo xilinx:referenceId="PARAM_VALUE.C_AXIS_TUSER_WIDTH" xilinx:valueSource="user"/> <xilinx:configElementInfo xilinx:referenceId="PARAM_VALUE.C_AXIS_TUSER_WIDTH" xilinx:valueSource="user"/>
<xilinx:configElementInfo xilinx:referenceId="PARAM_VALUE.C_DATA_INTERFACE_TYPE" xilinx:valueSource="user"/> <xilinx:configElementInfo xilinx:referenceId="PARAM_VALUE.C_DATA_INTERFACE_TYPE" xilinx:valueSource="user"/>
<xilinx:configElementInfo xilinx:referenceId="PARAM_VALUE.C_HAS_AXIS_TKEEP" xilinx:valueSource="user"/>
<xilinx:configElementInfo xilinx:referenceId="PARAM_VALUE.C_S_AXI4_DATA_WIDTH" xilinx:valueSource="user"/> <xilinx:configElementInfo xilinx:referenceId="PARAM_VALUE.C_S_AXI4_DATA_WIDTH" xilinx:valueSource="user"/>
<xilinx:configElementInfo xilinx:referenceId="PARAM_VALUE.C_S_AXI_ID_WIDTH" xilinx:valueSource="user"/> <xilinx:configElementInfo xilinx:referenceId="PARAM_VALUE.C_S_AXI_ID_WIDTH" xilinx:valueSource="user"/>
<xilinx:configElementInfo xilinx:referenceId="PARAM_VALUE.C_USE_TX_CTRL" xilinx:valueSource="user"/> <xilinx:configElementInfo xilinx:referenceId="PARAM_VALUE.C_USE_TX_CTRL" xilinx:valueSource="user"/>

39
ip_cores/ec/src/rtl/ec_point_add.sv
View File

@ -44,7 +44,7 @@ module ec_point_add
if_axi_stream.sink i_sub_if if_axi_stream.sink i_sub_if
); );
localparam CHK_INPUT = 1;
/* /*
These are the equations that need to be computed, they are issued as variables These are the equations that need to be computed, they are issued as variables
become valid. We have a bitmask to track what equation results are valid which become valid. We have a bitmask to track what equation results are valid which
@ -96,6 +96,7 @@ logic [23:0] eq_val, eq_wait;
FE_TYPE A, B, C, D; FE_TYPE A, B, C, D;
FP_TYPE i_p1_l, i_p2_l; FP_TYPE i_p1_l, i_p2_l;
enum {IDLE, START, FINISHED} state; enum {IDLE, START, FINISHED} state;
always_ff @ (posedge i_clk) begin always_ff @ (posedge i_clk) begin
if (i_rst) begin if (i_rst) begin
@ -142,23 +143,25 @@ always_ff @ (posedge i_clk) begin
if (i_val && o_rdy) begin if (i_val && o_rdy) begin
state <= START; state <= START;
o_rdy <= 0; o_rdy <= 0;
// If one point is at infinity if (CHK_INPUT == 1) begin
if (i_p1.z == 0 || i_p2.z == 0) begin // If one point is at infinity
state <= FINISHED; if (i_p1.z == 0 || i_p2.z == 0) begin
o_val <= 1; state <= FINISHED;
o_p <= (i_p1.z == 0 ? i_p2 : i_p1); o_val <= 1;
end else o_p <= (i_p1.z == 0 ? i_p2 : i_p1);
// If the points are opposite each other end else
if ((i_p1.x == i_p2.x) && (i_p1.y != i_p2.y)) begin // If the points are opposite each other
state <= FINISHED; if ((i_p1.x == i_p2.x) && (i_p1.y != i_p2.y)) begin
o_val <= 1; state <= FINISHED;
o_p <= 0; // Return infinity o_val <= 1;
end else o_p <= 0; // Return infinity
// If the points are the same this module cannot be used end else
if ((i_p1.x == i_p2.x) && (i_p1.y == i_p2.y)) begin // If the points are the same this module cannot be used
state <= FINISHED; if ((i_p1.x == i_p2.x) && (i_p1.y == i_p2.y)) begin
o_err <= 1; state <= FINISHED;
o_val <= 1; o_err <= 1;
o_val <= 1;
end
end end
end end
end end

11
ip_cores/ec/src/rtl/ec_point_dbl.sv
View File

@ -41,6 +41,7 @@ module ec_point_dbl
if_axi_stream.sink i_sub_if if_axi_stream.sink i_sub_if
); );
localparam CHK_INPUT = 0;
/* /*
* These are the equations that need to be computed, they are issued as variables * These are the equations that need to be computed, they are issued as variables
* become valid. We have a bitmask to track what equation results are valid which * become valid. We have a bitmask to track what equation results are valid which
@ -116,10 +117,12 @@ always_ff @ (posedge i_clk) begin
if (i_val && o_rdy) begin if (i_val && o_rdy) begin
state <= START; state <= START;
o_rdy <= 0; o_rdy <= 0;
if (i_p.z == 0) begin if (CHK_INPUT == 1) begin
o_p <= i_p; if (i_p.z == 0) begin
o_val <= 1; o_p <= i_p;
state <= FINISHED; o_val <= 1;
state <= FINISHED;
end
end end
end end
end end