[otbn] Style fixes in case statements
Tweaks to formatting so clauses in case statements are either entirely
on one line or consistently use begin/end.
Signed-off-by: Greg Chadwick <gac@lowrisc.org>
diff --git a/hw/ip/otbn/rtl/otbn_controller.sv b/hw/ip/otbn/rtl/otbn_controller.sv
index 7461a18..ff37904 100644
--- a/hw/ip/otbn/rtl/otbn_controller.sv
+++ b/hw/ip/otbn/rtl/otbn_controller.sv
@@ -264,26 +264,19 @@
// Base ALU Operand A MUX
always_comb begin
unique case (insn_dec_base_i.op_a_sel)
- OpASelRegister:
- alu_base_operation_o.operand_a = rf_base_rd_data_a_i;
- OpASelZero:
- alu_base_operation_o.operand_a = '0;
- OpASelCurrPc:
- alu_base_operation_o.operand_a = {{(32 - ImemAddrWidth){1'b0}}, insn_addr_i};
- default:
- alu_base_operation_o.operand_a = rf_base_rd_data_a_i;
+ OpASelRegister: alu_base_operation_o.operand_a = rf_base_rd_data_a_i;
+ OpASelZero: alu_base_operation_o.operand_a = '0;
+ OpASelCurrPc: alu_base_operation_o.operand_a = {{(32 - ImemAddrWidth){1'b0}}, insn_addr_i};
+ default: alu_base_operation_o.operand_a = rf_base_rd_data_a_i;
endcase
end
// Base ALU Operand B MUX
always_comb begin
unique case (insn_dec_base_i.op_b_sel)
- OpBSelRegister:
- alu_base_operation_o.operand_b = rf_base_rd_data_b_i;
- OpBSelImmediate:
- alu_base_operation_o.operand_b = insn_dec_base_i.i;
- default:
- alu_base_operation_o.operand_b = rf_base_rd_data_b_i;
+ OpBSelRegister: alu_base_operation_o.operand_b = rf_base_rd_data_b_i;
+ OpBSelImmediate: alu_base_operation_o.operand_b = insn_dec_base_i.i;
+ default: alu_base_operation_o.operand_b = rf_base_rd_data_b_i;
endcase
end
@@ -301,18 +294,12 @@
always_comb begin
unique case (insn_dec_base_i.rf_wdata_sel)
- RfWdSelEx:
- rf_base_wr_data_o = alu_base_operation_result_i;
- RfWdSelLsu:
- rf_base_wr_data_o = lsu_base_rdata_i;
- RfWdSelNextPc:
- rf_base_wr_data_o = {{(32-ImemAddrWidth){1'b0}}, next_insn_addr};
- RfWdSelIspr:
- rf_base_wr_data_o = csr_rdata;
- RfWdSelIncr:
- rf_base_wr_data_o = increment_out;
- default:
- rf_base_wr_data_o = alu_base_operation_result_i;
+ RfWdSelEx: rf_base_wr_data_o = alu_base_operation_result_i;
+ RfWdSelLsu: rf_base_wr_data_o = lsu_base_rdata_i;
+ RfWdSelNextPc: rf_base_wr_data_o = {{(32-ImemAddrWidth){1'b0}}, next_insn_addr};
+ RfWdSelIspr: rf_base_wr_data_o = csr_rdata;
+ RfWdSelIncr: rf_base_wr_data_o = increment_out;
+ default: rf_base_wr_data_o = alu_base_operation_result_i;
endcase
end
@@ -327,12 +314,9 @@
// Base ALU Operand B MUX
always_comb begin
unique case (insn_dec_bignum_i.op_b_sel)
- OpBSelRegister:
- alu_bignum_operation_o.operand_b = rf_bignum_rd_data_b_i;
- OpBSelImmediate:
- alu_bignum_operation_o.operand_b = insn_dec_bignum_i.i;
- default:
- alu_bignum_operation_o.operand_b = rf_bignum_rd_data_b_i;
+ OpBSelRegister: alu_bignum_operation_o.operand_b = rf_bignum_rd_data_b_i;
+ OpBSelImmediate: alu_bignum_operation_o.operand_b = insn_dec_bignum_i.i;
+ default: alu_bignum_operation_o.operand_b = rf_bignum_rd_data_b_i;
endcase
end
@@ -353,14 +337,10 @@
always_comb begin
unique case (insn_dec_bignum_i.rf_wdata_sel)
- RfWdSelEx:
- rf_bignum_wr_data_o = alu_bignum_operation_result_i;
- RfWdSelLsu:
- rf_bignum_wr_data_o = lsu_bignum_rdata_i;
- RfWdSelIspr:
- rf_bignum_wr_data_o = ispr_rdata_i;
- default:
- rf_bignum_wr_data_o = alu_bignum_operation_result_i;
+ RfWdSelEx: rf_bignum_wr_data_o = alu_bignum_operation_result_i;
+ RfWdSelLsu: rf_bignum_wr_data_o = lsu_bignum_rdata_i;
+ RfWdSelIspr: rf_bignum_wr_data_o = ispr_rdata_i;
+ default: rf_bignum_wr_data_o = alu_bignum_operation_result_i;
endcase
end