Add support for Star-MC3 and correct the support of Cortex-M52

Author: AlbertHuang-CPU

tools/buildmgr/cbuildgen/config/AC6.6.16.2.cmake

@@ -402,31 +402,40 @@ elseif(CPU STREQUAL "Cortex-M35P")
   endif()
 elseif(CPU STREQUAL "Cortex-M52")
   set(ARMCLANG_ARCH "armv8.1m.main")
+  set(CPU_FEATURES "Cortex-M52")
   if(MVE STREQUAL "NO_MVE")
-    if(FPU STREQUAL "DP_FPU")
-      set(ARMCLANG_CPU "-mcpu=Cortex-M52+nomve -mfloat-abi=hard")
+    if(FPU STREQUAL "NO_FPU")
+      set(CPU_FEATURES "${CPU_FEATURES}+nomve+nofp")
     elseif(FPU STREQUAL "SP_FPU")
-      set(ARMCLANG_CPU "-mcpu=Cortex-M52+nomve+nofp.dp -mfloat-abi=hard")
-    else()
-      message(FATAL_ERROR "Error: Cortex-M52+nomve+nofp is not supported!")
+      set(CPU_FEATURES "${CPU_FEATURES}+nomve+nofp.dp")
+    elseif(FPU STREQUAL "DP_FPU")
+      set(CPU_FEATURES "${CPU_FEATURES}+nomve")
     endif()
   elseif(MVE STREQUAL "INT_MVE")
-    if(FPU STREQUAL "SP_FPU")
-      set(ARMCLANG_CPU "-mcpu=Cortex-M52+nomve.fp+nofp.dp -mfloat-abi=hard")
+    if(FPU STREQUAL "NO_FPU")
+      set(CPU_FEATURES "${CPU_FEATURES}+nomve.fp+nofp")
+    elseif(FPU STREQUAL "SP_FPU")
+      set(CPU_FEATURES "${CPU_FEATURES}+nomve.fp+nofp.dp")
     elseif(FPU STREQUAL "DP_FPU")
       message(FATAL_ERROR "Error: Cortex-M52+nomve.fp is not supported!")
-    else()
-      set(ARMCLANG_CPU "-mcpu=Cortex-M52+nomve.fp+nofp")
     endif()
-  else()
-    if(FPU STREQUAL "DP_FPU")
-      set(ARMCLANG_CPU "-mcpu=Cortex-M52 -mfloat-abi=hard")  
+  elseif(MVE STREQUAL "FP_MVE")
+    if(FPU STREQUAL "NO_FPU")
+      message(FATAL_ERROR "Error: Cortex-M52+nofp is not supported!")
     elseif(FPU STREQUAL "SP_FPU")
       message(FATAL_ERROR "Error: Cortex-M52+nofp.dp is not supported!")
-    else()
-      message(FATAL_ERROR "Error: Cortex-M52+nofp is not supported!")
+    elseif(FPU STREQUAL "DP_FPU")
+      set(CPU_FEATURES "${CPU_FEATURES}")
     endif()
   endif()
+  if(PACBTI STREQUAL "NO_PACBTI")
+    set(CPU_FEATURES "${CPU_FEATURES}+nopacbti")
+  endif()
+  if(FPU STREQUAL "NO_FPU")
+    set(ARMCLANG_CPU "-mcpu=${CPU_FEATURES}")
+  else()
+    set(ARMCLANG_CPU "-mcpu=${CPU_FEATURES} -mfloat-abi=hard")
+  endif()
 elseif(CPU STREQUAL "Cortex-M55")
   set(ARMCLANG_ARCH "armv8.1m.main")
   if(FPU STREQUAL "NO_FPU")

tools/buildmgr/cbuildgen/config/CLANG.17.0.1.cmake

@@ -195,6 +195,42 @@ elseif(CPU STREQUAL "Cortex-M52")
     set(CLANG_MFPU "fpv5-sp-d16")
     set(CLANG_MFLOATABI "hard")
   endif()
+elseif(CPU STREQUAL "Star-MC3")
+  set(CLANG_ARCH "armv8.1m.main")
+  set(CPU_FEATURES "Star-MC3")
+  if(MVE STREQUAL "NO_MVE")
+    if(FPU STREQUAL "NO_FPU")
+      set(CPU_FEATURES "${CPU_FEATURES}+nomve+nofp")
+    elseif(FPU STREQUAL "SP_FPU")
+      set(CPU_FEATURES "${CPU_FEATURES}+nomve+nofp.dp")
+    elseif(FPU STREQUAL "DP_FPU")
+      set(CPU_FEATURES "${CPU_FEATURES}+nomve")
+    endif()
+  elseif(MVE STREQUAL "INT_MVE")
+    if(FPU STREQUAL "NO_FPU")
+      set(CPU_FEATURES "${CPU_FEATURES}+nomve.fp+nofp")
+    elseif(FPU STREQUAL "SP_FPU")
+      set(CPU_FEATURES "${CPU_FEATURES}+nomve.fp+nofp.dp")
+    elseif(FPU STREQUAL "DP_FPU")
+      message(FATAL_ERROR "Error: Star-MC3+nomve.fp is not supported!")
+    endif()
+  elseif(MVE STREQUAL "FP_MVE")
+    if(FPU STREQUAL "NO_FPU")
+      message(FATAL_ERROR "Error: Star-MC3+nofp is not supported!")
+    elseif(FPU STREQUAL "SP_FPU")
+      message(FATAL_ERROR "Error: Star-MC3+nofp.dp is not supported!")
+    elseif(FPU STREQUAL "DP_FPU")
+      set(CPU_FEATURES "${CPU_FEATURES}")
+    endif()
+  endif()
+  if(PACBTI STREQUAL "NO_PACBTI")
+    set(CPU_FEATURES "${CPU_FEATURES}+nopacbti")
+  endif()
+  if(FPU STREQUAL "NO_FPU")
+    set(CLANG_MCPU "-mcpu=${CPU_FEATURES}")
+  else()
+    set(CLANG_MCPU "-mcpu=${CPU_FEATURES} -mfloat-abi=hard")
+  endif()  
 elseif(CPU STREQUAL "Cortex-M55")
   set(CLANG_ARCH "armv8.1m.main")
   if(FPU STREQUAL "NO_FPU")