floating point support fixes

hw/rtl/interfaces/VX_cmt_to_csr_if.v

@@ -0,0 +1,21 @@
+`ifndef VX_CMT_TO_CSR_IF
+`define VX_CMT_TO_CSR_IF
+
+`include "VX_define.vh"
+
+interface VX_cmt_to_csr_if ();
+
+    wire valid;
+    wire [`NE_BITS:0] num_commits;
+
+    wire upd_fflags;
+    wire [`NW_BITS-1:0] fpu_warp_num;
+    wire fflags_NV;
+	wire fflags_DZ;
+	wire fflags_OF;
+	wire fflags_UF;
+	wire fflags_NX;   
+
+endinterface
+
+`endif

hw/rtl/interfaces/VX_cmt_to_issue_if.v

@@ -1,5 +1,5 @@
-`ifndef VX_COMMIT_IS_IF
-`define VX_COMMIT_IS_IF
+`ifndef VX_CMT_TO_ISSUE_IF
+`define VX_CMT_TO_ISSUE_IF
 
 `include "VX_define.vh"
 
@@ -13,7 +13,7 @@ typedef struct packed {
 } is_data_t;
 
 
-interface VX_commit_is_if ();
+interface VX_cmt_to_issue_if ();
 
     wire alu_valid;
     wire lsu_valid;

hw/rtl/interfaces/VX_csr_to_fpu_if.v

@@ -1,5 +1,5 @@
-`ifndef VX_FPU_FROM_CSR_IF
-`define VX_FPU_FROM_CSR_IF
+`ifndef VX_CSR_TO_FPU_IF
+`define VX_CSR_TO_FPU_IF
 
 `include "VX_define.vh"
 
@@ -7,9 +7,9 @@
     `IGNORE_WARNINGS_BEGIN
 `endif
 
-interface VX_fpu_from_csr_if ();
+interface VX_csr_to_fpu_if ();
 
-	wire [`NW_BITS-1:0] warp_num;
+	wire [`NW_BITS-1:0]  warp_num;
 	wire [`FRM_BITS-1:0] frm;
 
 endinterface

hw/rtl/interfaces/VX_fpu_to_cmt_if.v

@@ -0,0 +1,21 @@
+`ifndef VX_FPU_TO_CMT_IF
+`define VX_FPU_TO_CMT_IF
+
+`include "VX_define.vh"
+
+interface VX_fpu_to_cmt_if ();
+
+    wire                            valid;
+    wire [`ISTAG_BITS-1:0]          issue_tag;     
+    wire [`NUM_THREADS-1:0][31:0]	data;  
+    wire                            upd_fflags;
+    wire                            fflags_NV;
+	wire                            fflags_DZ;
+	wire                            fflags_OF;
+	wire                            fflags_UF;
+	wire                            fflags_NX;
+    wire                            ready;
+
+endinterface
+
+`endif

hw/rtl/interfaces/VX_gpr_data_if.v

@@ -1,14 +0,0 @@
-`ifndef VX_GPR_DATA_IF
-`define VX_GPR_DATA_IF
-
-`include "VX_define.vh"
-
-interface VX_gpr_data_if ();  
-
-    wire [`NUM_THREADS-1:0][31:0] rs1_data;
-    wire [`NUM_THREADS-1:0][31:0] rs2_data;
-    wire [`NUM_THREADS-1:0][31:0] rs3_data;
-
-endinterface
-
-`endif

hw/rtl/interfaces/VX_gpr_read_if.v

@@ -0,0 +1,29 @@
+`ifndef VX_GPR_READ_IF
+`define VX_GPR_READ_IF
+
+`include "VX_define.vh"
+
+interface VX_gpr_read_if ();  
+
+    wire                    valid;
+
+    wire [`NW_BITS-1:0]     warp_num;
+    
+    wire [`NR_BITS-1:0]     rs1;
+    wire [`NR_BITS-1:0]     rs2;  
+    wire [`NR_BITS-1:0]     rs3;
+    
+    wire                    use_rs3;
+    
+    wire                    rs1_is_fp;
+    wire                    rs2_is_fp;    
+
+    wire [`NUM_THREADS-1:0][31:0] rs1_data;
+    wire [`NUM_THREADS-1:0][31:0] rs2_data;
+    wire [`NUM_THREADS-1:0][31:0] rs3_data;
+
+    wire                    ready;
+
+endinterface
+
+`endif

hw/rtl/interfaces/VX_perf_cntrs_if.v

@@ -1,13 +0,0 @@
-`ifndef VX_PERF_CNTRS_IF
-`define VX_PERF_CNTRS_IF
-
-`include "VX_define.vh"
-
-interface VX_perf_cntrs_if ();
-
-    wire [63:0] total_cycles;
-    wire [63:0] total_instrs;
-
-endinterface
-
-`endif