From eec9313a252ddef0a437efabd2fb742db9948d2f Mon Sep 17 00:00:00 2001
From: Eyck-Alexander Jentzsch <alex@minres.com>
Date: Fri, 18 Sep 2026 12:59:22 +0200
Subject: [PATCH] adds build option to disable vector vms As the vector
 implementation is heavy in instantiating templates, this option can be used
 to reduce compilation times if vector cores are not needed Consuming projects
 can set the introduced option to OFF

---
 CMakeLists.txt | 35 +++++++++++++++++++++++++----------
 1 file changed, 25 insertions(+), 10 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 405c4b8..a994a13 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,8 @@ project(dbt-rise-riscv VERSION 2.1.0 LANGUAGES C CXX)
 
 option(UPDATE_EXTERNAL_PROJECT "Whether to pull changes in external projects" ON)
 option(OPTIMIZE_FOR_NATIVE "Build with -march=native" OFF)
-option(NO_GENERIC_CORES "Leave out the genric cores to improve build times" OFF)
+option(NO_GENERIC_CORES "Leave out the generic cores to improve build times" OFF)
+option(DBT_RISE_RISCV_ENABLE_VECTOR "Build RISC-V vector cores and VMs" ON)
 include(GNUInstallDirs)
 include(flink)
 
@@ -80,21 +81,25 @@ if(NOT NO_GENERIC_CORES)
         src/iss/arch/rv32i.cpp
         src/iss/arch/rv32imac.cpp
         src/iss/arch/rv32gc.cpp
-        src/iss/arch/rv32gcv.cpp
         src/iss/arch/rv64i.cpp
         src/iss/arch/rv64imac.cpp
         src/iss/arch/rv64gc.cpp
-        src/iss/arch/rv64gcv.cpp
         src/vm/interp/vm_rv32i.cpp
         src/vm/interp/vm_rv32imac.cpp
         src/vm/interp/vm_rv32gc.cpp
-        src/vm/interp/vm_rv32gcv.cpp
         src/vm/interp/vm_rv64i.cpp
         src/vm/interp/vm_rv64imac.cpp
         src/vm/interp/vm_rv64gc.cpp
         src/vm/interp/vm_rv64gc_mp.cpp
-        src/vm/interp/vm_rv64gcv.cpp
     )
+    if(DBT_RISE_RISCV_ENABLE_VECTOR)
+        list(APPEND LIB_SOURCES
+            src/iss/arch/rv32gcv.cpp
+            src/iss/arch/rv64gcv.cpp
+            src/vm/interp/vm_rv32gcv.cpp
+            src/vm/interp/vm_rv64gcv.cpp
+        )
+    endif()
 endif()
 if(TARGET yaml-cpp::yaml-cpp)
     list(APPEND LIB_SOURCES
@@ -128,12 +133,16 @@ if(WITH_ASMJIT)
             src/vm/asmjit/vm_rv32i.cpp
             src/vm/asmjit/vm_rv32imac.cpp
             src/vm/asmjit/vm_rv32gc.cpp
-            src/vm/asmjit/vm_rv32gcv.cpp
             src/vm/asmjit/vm_rv64i.cpp
             src/vm/asmjit/vm_rv64imac.cpp
             src/vm/asmjit/vm_rv64gc.cpp
-            src/vm/asmjit/vm_rv64gcv.cpp
         )
+        if(DBT_RISE_RISCV_ENABLE_VECTOR)
+            list(APPEND LIB_SOURCES
+                src/vm/asmjit/vm_rv32gcv.cpp
+                src/vm/asmjit/vm_rv64gcv.cpp
+            )
+        endif()
     endif()
 endif()
 
@@ -283,10 +292,16 @@ if(TARGET scc-sysc)
 
     set(LIB_SOURCES
         src/sysc/core_complex.cpp
-        src/sysc/register_cores.cpp
-        src/sysc/register_rv32gcv.cpp
-        src/sysc/register_rv64gcv.cpp
     )
+    if(NOT NO_GENERIC_CORES)
+        list(APPEND LIB_SOURCES src/sysc/register_cores.cpp)
+        if(DBT_RISE_RISCV_ENABLE_VECTOR)
+            list(APPEND LIB_SOURCES
+                src/sysc/register_rv32gcv.cpp
+                src/sysc/register_rv64gcv.cpp
+            )
+        endif()
+    endif()
 
     if(IS_DIRECTORY "${PROJECT_SOURCE_DIR}/../dbt-rise-custom")
         FILE(GLOB GEN_SC_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/../dbt-rise-custom/src/sysc/register_*.cpp)