add rs, w0s, w1s, ws and wos bit field types

lib/rggen/veryl.rb

@@ -29,6 +29,7 @@
     'veryl/bit_field/type/rohw',
     'veryl/bit_field/type/row0trg_row1trg',
     'veryl/bit_field/type/rowo_rowotrg',
+    'veryl/bit_field/type/rs_w0s_w1s_ws_wos',
     'veryl/bit_field/type/rw_rwtrg_w1',
     'veryl/bit_field/veryl_top',
     'veryl/register/veryl_top',

lib/rggen/veryl/bit_field/type/rs_w0s_w1s_ws_wos.erb

@@ -0,0 +1,21 @@
+inst u_bit_field: rggen_bit_field #(
+  WIDTH:            <%= width %>,
+  INITIAL_VALUE:    <%= initial_value %>,
+  SW_READ_ACTION:   rggen_sw_action::<%= read_action %>,
+  SW_WRITE_ACTION:  rggen_sw_action::<%= write_action %>
+)(
+  i_clk:              <%= clock %>,
+  i_rst:              <%= reset %>,
+  bit_field_if:       <%= bit_field_if %>,
+  o_write_trigger:    _,
+  o_read_trigger:     _,
+  i_sw_write_enable:  <%= sw_write_enable %>,
+  i_hw_write_enable:  '0,
+  i_hw_write_data:    '0,
+  i_hw_set:           '0,
+  i_hw_clear:         <%= clear[loop_variables] %>,
+  i_value:            '0,
+  i_mask:             '1,
+  o_value:            <%= value_out[loop_variables] %>,
+  o_value_unmasked:   _
+);

lib/rggen/veryl/bit_field/type/rs_w0s_w1s_ws_wos.rb

@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+RgGen.define_list_item_feature(:bit_field, :type, [:rs, :w0s, :w1s, :ws, :wos]) do
+  veryl do
+    build do
+      input :clear, {
+        name: "i_#{full_name}_clear",
+        width: width, array_size: array_size
+      }
+      output :value_out, {
+        name: "o_#{full_name}",
+        width: width, array_size: array_size
+      }
+    end
+
+    main_code :bit_field, from_template: true
+
+    private
+
+    def read_action
+      {
+        rs: 'READ_SET', wos: 'READ_NONE'
+      }.fetch(bit_field.type, 'READ_DEFAULT')
+    end
+
+    def write_action
+      {
+        rs: 'WRITE_NONE', w0s: 'WRITE_0_SET', w1s: 'WRITE_1_SET'
+      }.fetch(bit_field.type, 'WRITE_SET')
+    end
+
+    def sw_write_enable
+      bit_field.writable? && all_bits_1 || all_bits_0
+    end
+  end
+end