rtl/fpu: initial commit

Imported from https://github.com/taneroksuz/fpu-sp

1 files changed, 191 insertions, 0 deletions

diff --git a/rtl/fpu/float/fp_unit.sv b/rtl/fpu/float/fp_unit.sv
new file mode 100644
index 0000000..71ddf14
--- /dev/null
+++ b/rtl/fpu/float/fp_unit.sv
@@ -0,0 +1,191 @@
+// https://github.com/taneroksuz/fpu-sp
+
+import lzc_wire::*;
+import fp_wire::*;
+
+module fp_unit (
+    input reset,
+    input clock,
+    input fp_unit_in_type fp_unit_i,
+    output fp_unit_out_type fp_unit_o
+);
+
+  lzc_64_in_type lzc1_64_i;
+  lzc_64_out_type lzc1_64_o;
+  lzc_64_in_type lzc2_64_i;
+  lzc_64_out_type lzc2_64_o;
+  lzc_64_in_type lzc3_64_i;
+  lzc_64_out_type lzc3_64_o;
+  lzc_64_in_type lzc4_64_i;
+  lzc_64_out_type lzc4_64_o;
+
+  lzc_256_in_type lzc_256_i;
+  lzc_256_out_type lzc_256_o;
+
+  fp_ext_in_type fp_ext1_i;
+  fp_ext_out_type fp_ext1_o;
+  fp_ext_in_type fp_ext2_i;
+  fp_ext_out_type fp_ext2_o;
+  fp_ext_in_type fp_ext3_i;
+  fp_ext_out_type fp_ext3_o;
+
+  fp_cmp_in_type fp_cmp_i;
+  fp_cmp_out_type fp_cmp_o;
+  fp_max_in_type fp_max_i;
+  fp_max_out_type fp_max_o;
+  fp_sgnj_in_type fp_sgnj_i;
+  fp_sgnj_out_type fp_sgnj_o;
+  fp_fma_in_type fp_fma_i;
+  fp_fma_out_type fp_fma_o;
+  fp_rnd_in_type fp_rnd_i;
+  fp_rnd_out_type fp_rnd_o;
+
+  fp_cvt_f2f_in_type fp_cvt_f2f_i;
+  fp_cvt_f2f_out_type fp_cvt_f2f_o;
+  fp_cvt_f2i_in_type fp_cvt_f2i_i;
+  fp_cvt_f2i_out_type fp_cvt_f2i_o;
+  fp_cvt_i2f_in_type fp_cvt_i2f_i;
+  fp_cvt_i2f_out_type fp_cvt_i2f_o;
+
+  fp_mac_in_type fp_mac_i;
+  fp_mac_out_type fp_mac_o;
+  fp_fdiv_in_type fp_fdiv_i;
+  fp_fdiv_out_type fp_fdiv_o;
+
+  lzc_64 lzc_64_comp_1 (
+      .a(lzc1_64_i.a),
+      .c(lzc1_64_o.c),
+      .v(lzc1_64_o.v)
+  );
+
+  lzc_64 lzc_64_comp_2 (
+      .a(lzc2_64_i.a),
+      .c(lzc2_64_o.c),
+      .v(lzc2_64_o.v)
+  );
+
+  lzc_64 lzc_64_comp_3 (
+      .a(lzc3_64_i.a),
+      .c(lzc3_64_o.c),
+      .v(lzc3_64_o.v)
+  );
+
+  lzc_64 lzc_64_comp_4 (
+      .a(lzc4_64_i.a),
+      .c(lzc4_64_o.c),
+      .v(lzc4_64_o.v)
+  );
+
+  lzc_256 lzc_256_comp (
+      .a(lzc_256_i.a),
+      .c(lzc_256_o.c),
+      .v(lzc_256_o.v)
+  );
+
+  fp_ext fp_ext_comp_1 (
+      .fp_ext_i(fp_ext1_i),
+      .fp_ext_o(fp_ext1_o),
+      .lzc_o(lzc1_64_o),
+      .lzc_i(lzc1_64_i)
+  );
+
+  fp_ext fp_ext_comp_2 (
+      .fp_ext_i(fp_ext2_i),
+      .fp_ext_o(fp_ext2_o),
+      .lzc_o(lzc2_64_o),
+      .lzc_i(lzc2_64_i)
+  );
+
+  fp_ext fp_ext_comp_3 (
+      .fp_ext_i(fp_ext3_i),
+      .fp_ext_o(fp_ext3_o),
+      .lzc_o(lzc3_64_o),
+      .lzc_i(lzc3_64_i)
+  );
+
+  fp_cmp fp_cmp_comp (
+      .fp_cmp_i(fp_cmp_i),
+      .fp_cmp_o(fp_cmp_o)
+  );
+
+  fp_max fp_max_comp (
+      .fp_max_i(fp_max_i),
+      .fp_max_o(fp_max_o)
+  );
+
+  fp_sgnj fp_sgnj_comp (
+      .fp_sgnj_i(fp_sgnj_i),
+      .fp_sgnj_o(fp_sgnj_o)
+  );
+
+  fp_cvt fp_cvt_comp (
+      .fp_cvt_f2f_i(fp_cvt_f2f_i),
+      .fp_cvt_f2f_o(fp_cvt_f2f_o),
+      .fp_cvt_f2i_i(fp_cvt_f2i_i),
+      .fp_cvt_f2i_o(fp_cvt_f2i_o),
+      .fp_cvt_i2f_i(fp_cvt_i2f_i),
+      .fp_cvt_i2f_o(fp_cvt_i2f_o),
+      .lzc_o(lzc4_64_o),
+      .lzc_i(lzc4_64_i)
+  );
+
+  fp_fma fp_fma_comp (
+      .reset(reset),
+      .clock(clock),
+      .fp_fma_i(fp_fma_i),
+      .fp_fma_o(fp_fma_o),
+      .lzc_o(lzc_256_o),
+      .lzc_i(lzc_256_i)
+  );
+
+  fp_mac fp_mac_comp (
+      .reset(reset),
+      .clock(clock),
+      .fp_mac_i(fp_mac_i),
+      .fp_mac_o(fp_mac_o)
+  );
+
+  fp_fdiv fp_fdiv_comp (
+      .reset(reset),
+      .clock(clock),
+      .fp_fdiv_i(fp_fdiv_i),
+      .fp_fdiv_o(fp_fdiv_o),
+      .fp_mac_o(fp_mac_o),
+      .fp_mac_i(fp_mac_i)
+  );
+
+  fp_rnd fp_rnd_comp (
+      .fp_rnd_i(fp_rnd_i),
+      .fp_rnd_o(fp_rnd_o)
+  );
+
+  fp_exe fp_exe_comp (
+      .fp_exe_i(fp_unit_i.fp_exe_i),
+      .fp_exe_o(fp_unit_o.fp_exe_o),
+      .fp_ext1_o(fp_ext1_o),
+      .fp_ext1_i(fp_ext1_i),
+      .fp_ext2_o(fp_ext2_o),
+      .fp_ext2_i(fp_ext2_i),
+      .fp_ext3_o(fp_ext3_o),
+      .fp_ext3_i(fp_ext3_i),
+      .fp_cmp_o(fp_cmp_o),
+      .fp_cmp_i(fp_cmp_i),
+      .fp_max_o(fp_max_o),
+      .fp_max_i(fp_max_i),
+      .fp_sgnj_o(fp_sgnj_o),
+      .fp_sgnj_i(fp_sgnj_i),
+      .fp_cvt_f2f_i(fp_cvt_f2f_i),
+      .fp_cvt_f2f_o(fp_cvt_f2f_o),
+      .fp_cvt_f2i_i(fp_cvt_f2i_i),
+      .fp_cvt_f2i_o(fp_cvt_f2i_o),
+      .fp_cvt_i2f_i(fp_cvt_i2f_i),
+      .fp_cvt_i2f_o(fp_cvt_i2f_o),
+      .fp_fma_o(fp_fma_o),
+      .fp_fma_i(fp_fma_i),
+      .fp_fdiv_o(fp_fdiv_o),
+      .fp_fdiv_i(fp_fdiv_i),
+      .fp_rnd_o(fp_rnd_o),
+      .fp_rnd_i(fp_rnd_i)
+  );
+
+endmodule