From e5aa6a01b5bbe1675c3aa8872e1203413ded83d1 Mon Sep 17 00:00:00 2001
From: Luca Bertaccini <55843305+lucabertaccini@users.noreply.github.com>
Date: Fri, 27 Sep 2024 11:52:27 +0200
Subject: [PATCH] Fix illegal Verilog assignment (#15)

---
 docs/CHANGELOG-PULP.md                                       | 5 +++++
 .../C910_RTL_FACTORY/gen_rtl/vfdsu/rtl/ct_vfdsu_round.v      | 2 +-
 .../0001-Add-FP16ALT-support-to-THMULTI-DivSqrt-unit.patch   | 2 +-
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/docs/CHANGELOG-PULP.md b/docs/CHANGELOG-PULP.md
index 94d245be..17ef11f5 100644
--- a/docs/CHANGELOG-PULP.md
+++ b/docs/CHANGELOG-PULP.md
@@ -7,6 +7,11 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
 In this sense, we interpret the "Public API" of a hardware module as its port/parameter list.
 Versions of the IP in the same major relase are "pin-compatible" with each other. Minor relases are permitted to add new parameters as long as their default bindings ensure backwards compatibility.
 
+## [pulp-v0.2.3] - 2024-09-27
+
+### Fix
+- Fix illegal Verilog `'0`
+
 ## [pulp-v0.2.2] - 2024-06-24
 
 ### Added
diff --git a/vendor/openc910/C910_RTL_FACTORY/gen_rtl/vfdsu/rtl/ct_vfdsu_round.v b/vendor/openc910/C910_RTL_FACTORY/gen_rtl/vfdsu/rtl/ct_vfdsu_round.v
index cb3dc8e3..69462eb9 100644
--- a/vendor/openc910/C910_RTL_FACTORY/gen_rtl/vfdsu/rtl/ct_vfdsu_round.v
+++ b/vendor/openc910/C910_RTL_FACTORY/gen_rtl/vfdsu/rtl/ct_vfdsu_round.v
@@ -763,7 +763,7 @@ case(vfdsu_ex3_bfloat_expnt_rst[8:0])
   9'h17a:begin qt_result_bfloat_denorm_for_round[10:0] = {total_qt_rt_58[56:46]}; //-93 -6
                 bfloat_denorm_lst_frac =  1'b0;
           end//-1022 1
-  default:  begin qt_result_bfloat_denorm_for_round[10:0] = '0;
+  default:  begin qt_result_bfloat_denorm_for_round[10:0] = 11'b0;
                  bfloat_denorm_lst_frac = 1'b0;
             end//-1022 1
 endcase
diff --git a/vendor/patches/openc910/0001-Add-FP16ALT-support-to-THMULTI-DivSqrt-unit.patch b/vendor/patches/openc910/0001-Add-FP16ALT-support-to-THMULTI-DivSqrt-unit.patch
index 7d1ce903..fab95f9d 100644
--- a/vendor/patches/openc910/0001-Add-FP16ALT-support-to-THMULTI-DivSqrt-unit.patch
+++ b/vendor/patches/openc910/0001-Add-FP16ALT-support-to-THMULTI-DivSqrt-unit.patch
@@ -817,7 +817,7 @@ index 6eece52..a419289 100644
 +  9'h17a:begin qt_result_bfloat_denorm_for_round[10:0] = {total_qt_rt_58[56:46]}; //-93 -6
 +                bfloat_denorm_lst_frac =  1'b0;
 +          end//-1022 1
-+  default:  begin qt_result_bfloat_denorm_for_round[10:0] = '0;
++  default:  begin qt_result_bfloat_denorm_for_round[10:0] = 11'b0;
 +                 bfloat_denorm_lst_frac = 1'b0;
 +            end//-1022 1
 +endcase