IAR: Add 8051 support

Issue: #17264

Modules/CMakePlatformId.h.in

@@ -177,6 +177,9 @@
 # elif defined(__ICCV850__)
 #  define ARCHITECTURE_ID "V850"
 
+# elif defined(__ICC8051__)
+#  define ARCHITECTURE_ID "8051"
+
 # else /* unknown architecture */
 #  define ARCHITECTURE_ID ""
 # endif

Modules/Compiler/IAR-ASM.cmake

@@ -42,6 +42,11 @@ elseif("${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID}" STREQUAL "V850")
   __compiler_iar_xlink(ASM)
   set(CMAKE_ASM_SOURCE_FILE_EXTENSIONS s85;asm;msa)
 
+elseif("${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID}" STREQUAL "8051")
+  set(CMAKE_ASM_COMPILE_OBJECT  "<CMAKE_ASM_COMPILER> -S <SOURCE> <DEFINES> <INCLUDES> <FLAGS> -o <OBJECT>")
+  __compiler_iar_xlink(ASM)
+  set(CMAKE_ASM_SOURCE_FILE_EXTENSIONS s51;asm;msa)
+
 else()
   message(FATAL_ERROR "CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID not detected. This should be automatic.")
 endif()

Modules/Compiler/IAR-C.cmake

@@ -65,6 +65,11 @@ elseif("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "V850")
   __compiler_check_default_language_standard(C 1.10 90 4.10 99)
   set(CMAKE_C_OUTPUT_EXTENSION ".r85")
 
+elseif("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "8051")
+  __compiler_iar_xlink(C)
+  __compiler_check_default_language_standard(C 6.10 90 8.10 99)
+  set(CMAKE_C_OUTPUT_EXTENSION ".r51")
+
 else()
   message(FATAL_ERROR "CMAKE_C_COMPILER_ARCHITECTURE_ID not detected. This should be automatic.")
 endif()

Modules/Compiler/IAR-CXX.cmake

@@ -72,6 +72,12 @@ elseif("${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "V850")
   __compiler_iar_xlink(CXX)
   __compiler_check_default_language_standard(CXX 1.10 98)
   set(CMAKE_C_OUTPUT_EXTENSION ".r85")
+
+elseif("${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "8051")
+  __compiler_iar_xlink(CXX)
+  __compiler_check_default_language_standard(CXX 6.10 98)
+  set(CMAKE_C_OUTPUT_EXTENSION ".r51")
+
 else()
   message(FATAL_ERROR "CMAKE_CXX_COMPILER_ARCHITECTURE_ID not detected. This should be automatic." )
 endif()

Modules/Compiler/IAR-DetermineCompiler.cmake

@@ -31,7 +31,7 @@ set(_compiler_id_version_compute "
 #  define @PREFIX@COMPILER_VERSION_MINOR @MACRO_DEC@(((__VER__) / 1000) % 1000)
 #  define @PREFIX@COMPILER_VERSION_PATCH @MACRO_DEC@((__VER__) % 1000)
 #  define @PREFIX@COMPILER_VERSION_INTERNAL @MACRO_DEC@(__IAR_SYSTEMS_ICC__)
-# elif defined(__VER__) && (defined(__ICCAVR__) || defined(__ICCRX__) || defined(__ICCRH850__) || defined(__ICCRL78__) || defined(__ICC430__) || defined(__ICCRISCV__) || defined(__ICCV850__))
+# elif defined(__VER__) && (defined(__ICCAVR__) || defined(__ICCRX__) || defined(__ICCRH850__) || defined(__ICCRL78__) || defined(__ICC430__) || defined(__ICCRISCV__) || defined(__ICCV850__) || defined(__ICC8051__))
 #  define @PREFIX@COMPILER_VERSION_MAJOR @MACRO_DEC@((__VER__) / 100)
 #  define @PREFIX@COMPILER_VERSION_MINOR @MACRO_DEC@((__VER__) - (((__VER__) / 100)*100))
 #  define @PREFIX@COMPILER_VERSION_PATCH @MACRO_DEC@(__SUBVERSION__)

Modules/Compiler/IAR-FindBinUtils.cmake

@@ -46,7 +46,8 @@ set(CMAKE_IAR_LINKER \"${CMAKE_IAR_LINKER}\")
 
 elseif("${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ARCHITECTURE_ID}" STREQUAL "AVR" OR
        "${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ARCHITECTURE_ID}" STREQUAL "MSP430" OR
-       "${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ARCHITECTURE_ID}" STREQUAL "V850")
+       "${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ARCHITECTURE_ID}" STREQUAL "V850" OR
+       "${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ARCHITECTURE_ID}" STREQUAL "8051")
 
   # Find the "xlink" linker and "xar" archiver:
   find_program(CMAKE_IAR_LINKER xlink HINTS ${__iar_hints}