Add support for Microchip XC32 toolchain in the CMSIS toolbox

tools/buildmgr/cbuildgen/config/XC.5.0.0.cmake

@@ -0,0 +1,127 @@
+# This file maps the CMSIS project options to toolchain settings.
+#
+#   - Applies to toolchain: Microchip XC32 Compiler version 5.0.0 and greater
+
+set(AS "xc32-gcc")
+set(CC "xc32-gcc")
+set(CPP "xc32-gcc")
+set(CXX "xc32-g++")
+set(OC "xc32-objcopy")
+
+set(TOOLCHAIN_ROOT "${REGISTERED_TOOLCHAIN_ROOT}")
+set(TOOLCHAIN_VERSION "${REGISTERED_TOOLCHAIN_VERSION}")
+
+if(DEFINED TOOLCHAIN_ROOT)
+  set(PREFIX)
+  set(EXT)
+
+  set(AS ${TOOLCHAIN_ROOT}/${PREFIX}${AS}${EXT})
+  set(CC ${TOOLCHAIN_ROOT}/${PREFIX}${CC}${EXT})
+  set(CPP ${TOOLCHAIN_ROOT}/${PREFIX}${CPP}${EXT})
+  set(CXX ${TOOLCHAIN_ROOT}/${PREFIX}${CXX}${EXT})
+  set(OC ${TOOLCHAIN_ROOT}/${PREFIX}${OC}${EXT})
+endif()
+
+# Helpers
+
+function(cbuild_set_option_flags lang option value flags)
+  if(NOT DEFINED ${option}_${lang}_FLAGS)
+    return()
+  endif()
+  list(FIND ${option}_VALUES "${value}" _index)
+  if (${_index} GREATER -1)
+    list(GET ${option}_${lang}_FLAGS ${_index} flag)
+    if(NOT flag STREQUAL "")
+      string(STRIP "${flag} ${${flags}}" ${flags})
+      set(${flags} "${${flags}}" PARENT_SCOPE)
+    endif()
+  elseif(NOT value STREQUAL "")
+    string(TOLOWER "${option}" _option)
+    message(FATAL_ERROR "unknown '${_option}' value '${value}' !")
+  endif()
+endfunction()
+
+function(cbuild_set_options_flags lang optimize debug warnings language flags)
+  set(tmp "")
+  cbuild_set_option_flags(${lang} OPTIMIZE "${optimize}" tmp)
+  cbuild_set_option_flags(${lang} DEBUG    "${debug}"    tmp)
+  cbuild_set_option_flags(${lang} WARNINGS "${warnings}" tmp)
+  if(lang STREQUAL "CC" OR lang STREQUAL "CXX")
+    cbuild_set_option_flags(${lang} LANGUAGE "${language}" tmp)
+  endif()
+  set(${flags} "${tmp}" PARENT_SCOPE)
+endfunction()
+
+
+set(OPTIMIZE_VALUES       "debug" "none" "balanced" "size" "speed")
+set(OPTIMIZE_CC_FLAGS     "-Og"   "-O0"  "-O2"      "-Os"  "-O1")
+set(OPTIMIZE_CXX_FLAGS    ${OPTIMIZE_CC_FLAGS})
+set(OPTIMIZE_LD_FLAGS     ${OPTIMIZE_CC_FLAGS})
+set(OPTIMIZE_ASM_FLAGS    ${OPTIMIZE_CC_FLAGS})
+
+set(DEBUG_VALUES          "on"    "off")
+set(DEBUG_CC_FLAGS        "-g"    "")
+set(DEBUG_CXX_FLAGS       "-g"    "")
+set(DEBUG_LD_FLAGS        "-g"    "")
+set(DEBUG_ASM_FLAGS       "-g"    "")
+
+set(WARNINGS_VALUES       "on"     "off"       "all")
+set(WARNINGS_CC_FLAGS     "-Wall"  "-w"        "-Wall -Wextra")
+set(WARNINGS_CXX_FLAGS    "-Wall"  "-w"        "-Wall -Wextra")
+set(WARNINGS_ASM_FLAGS    "-Wall"  "-w"        "-Wall -Wextra")
+set(WARNINGS_LD_FLAGS     ""       ""          "")
+
+set(LANGUAGE_VALUES       "c90"      "gnu90"      "c99"      "gnu99"      "c11"      "gnu11"       ""    ""    "c++98"      "gnu++98"      "c++03"      "gnu++03"      "c++11"      "gnu++11"      "c++14"      "gnu++14"      "c++17"      "gnu++17"      "" "" "" "" )
+set(LANGUAGE_CC_FLAGS     "-std=c90" "-std=gnu90" "-std=c99" "-std=gnu99" "-std=c11" "-std=gnu11"  ""    ""    ""           ""             ""           ""             ""           ""             ""           ""             ""           ""             "" "" "" "" )
+set(LANGUAGE_CXX_FLAGS    ""         ""           ""         ""           ""         ""            ""    ""    "-std=c++98" "-std=gnu++98" "-std=c++03" "-std=gnu++03" "-std=c++11" "-std=gnu++11" "-std=c++14" "-std=gnu++14" "-std=c++17" "-std=gnu++17" "" "" "" "" )
+
+# XC32 Processor/DFP flags
+set(XC32_COMMON_FLAGS "-mprocessor=${DNAME} -mdfp=${DPACK_DIR}")
+
+set(CPP_FLAGS "-E -P ${XC32_COMMON_FLAGS} -xc")
+set(CPP_DEFINES ${LD_SCRIPT_PP_DEFINES})
+if(DEFINED LD_REGIONS AND NOT LD_REGIONS STREQUAL "")
+  set(CPP_INCLUDES "-include \"${LD_REGIONS}\"")
+endif()
+set(CPP_ARGS_LD_SCRIPT "${CPP_FLAGS} ${CPP_DEFINES} ${CPP_INCLUDES} \"${LD_SCRIPT}\" -o \"${LD_SCRIPT_PP}\"")
+separate_arguments(CPP_ARGS_LD_SCRIPT NATIVE_COMMAND ${CPP_ARGS_LD_SCRIPT})
+
+# C Compiler
+
+set(CC_OPTIONS_FLAGS "")
+cbuild_set_options_flags(CC "${OPTIMIZE}" "${DEBUG}" "${WARNINGS}" "${LANGUAGE_CC}" CC_OPTIONS_FLAGS)
+set(CMAKE_C_FLAGS "${XC32_COMMON_FLAGS} ${CC_OPTIONS_FLAGS}")
+
+
+# C++ Compiler
+
+set(CXX_OPTIONS_FLAGS "")
+cbuild_set_options_flags(CXX "${OPTIMIZE}" "${DEBUG}" "${WARNINGS}" "${LANGUAGE_CXX}" CXX_OPTIONS_FLAGS)
+set(CMAKE_CXX_FLAGS "${XC32_COMMON_FLAGS} ${CXX_OPTIONS_FLAGS}")
+
+# Assembler
+
+set(ASM_OPTIONS_FLAGS "")
+cbuild_set_options_flags(ASM "${OPTIMIZE}" "${DEBUG}" "${WARNINGS}" "" ASM_OPTIONS_FLAGS)
+set(CMAKE_ASM_FLAGS "${XC32_COMMON_FLAGS} ${ASM_OPTIONS_FLAGS}")
+
+# Linker
+
+set(LD_OPTIONS_FLAGS "")
+cbuild_set_options_flags(LD "${OPTIMIZE}" "${DEBUG}" "${WARNINGS}" "" LD_OPTIONS_FLAGS)
+set(CMAKE_EXE_LINKER_FLAGS "${XC32_COMMON_FLAGS} ${LD_OPTIONS_FLAGS} -T")
+
+# ELF to HEX conversion
+set(ELF2HEX  -O ihex   "${OUT_DIR}/$<TARGET_PROPERTY:${TARGET},OUTPUT_NAME>.elf" "${OUT_DIR}/${HEX_FILE}")
+
+# ELF to BIN conversion
+set(ELF2BIN  -O binary "${OUT_DIR}/$<TARGET_PROPERTY:${TARGET},OUTPUT_NAME>.elf" "${OUT_DIR}/${BIN_FILE}")
+
+# Set CMake variables for toolchain initialization
+set(CMAKE_SYSTEM_NAME Generic)
+set(CMAKE_CROSSCOMPILING TRUE)
+set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
+set(CMAKE_ASM_COMPILER "${AS}")
+set(CMAKE_C_COMPILER "${CC}")
+set(CMAKE_CXX_COMPILER "${CXX}")
+set(CMAKE_OBJCOPY "${OC}")

tools/projmgr/schemas/common.schema.json

@@ -187,7 +187,7 @@
     "CompilerType": {
       "title":"compiler:\nDocumentation: https://open-cmsis-pack.github.io/cmsis-toolbox/YML-Input-Format/#compiler",
       "type": "string",
-      "pattern": "^(GCC|CLANG|AC6|IAR|CLANG_TI)(@(>=)?([0-9]+\\.[0-9]+\\.[0-9]+((\\+|\\-)[a-zA-Z0-9_\\.\\+-]+)?))?$",
+      "pattern": "^(GCC|CLANG|AC6|IAR|CLANG_TI|XC)(@(>=)?([0-9]+\\.[0-9]+\\.[0-9]+((\\+|\\-)[a-zA-Z0-9_\\.\\+-]+)?))?$",
       "description": "Compiler toolchain to be used, optionally with version, for example AC6@6.23.0."
     },
     "ConsumesProvidesType": {

tools/projmgr/templates/xc_linker_script.ld.src

@@ -0,0 +1,140 @@
+/*
+ * Copyright (c) 2026 Microchip Technology Inc. and its subsidiaries.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+SEARCH_DIR(.)
+
+/*
+ *  Define the __XC32_RESET_HANDLER_NAME macro on the command line when you
+ *  want to use a different name for the Reset Handler function.
+ */
+#ifndef __XC32_RESET_HANDLER_NAME
+#define __XC32_RESET_HANDLER_NAME Reset_Handler
+#endif /* __XC32_RESET_HANDLER_NAME */
+
+ENTRY(__XC32_RESET_HANDLER_NAME)
+
+/* ----------------------------------------------------------------------------
+  Memory definition
+ *----------------------------------------------------------------------------*/
+MEMORY
+{
+  rom  (rx)  : ORIGIN = __ROM0_BASE, LENGTH = __ROM0_SIZE
+  ram  (rwx) : ORIGIN = __RAM0_BASE, LENGTH = __RAM0_SIZE
+}
+
+#ifndef CODE_REGION
+# if ROM0_SIZE > 0
+#   define CODE_REGION rom
+# else
+#   define CODE_REGION ram
+# endif
+#endif
+#ifndef DATA_REGION
+# define DATA_REGION ram
+#endif 
+#ifndef VECTOR_REGION
+# define VECTOR_REGION CODE_REGION
+#endif
+
+SECTIONS
+{
+  .vectors :
+  {
+    . = ALIGN(4);
+    _sfixed = .;
+    KEEP(*(.vectors .vectors.* .vectors_default .vectors_default.*))
+    KEEP(*(.isr_vector))
+    KEEP(*(.reset*))
+    KEEP(*(.after_vectors))
+  } > VECTOR_REGION
+
+  .text :
+  {
+    . = ALIGN(4);
+    *(.glue_7t) *(.glue_7)
+    *(.gnu.linkonce.r.*)
+    *(.ARM.extab* .gnu.linkonce.armextab.*)
+
+    /* Support C constructors, and C destructors in both user code
+       and the C library. This also provides support for C++ code. */
+    . = ALIGN(4);
+    KEEP(*(.init))
+    . = ALIGN(4);
+    __preinit_array_start = .;
+    KEEP (*(.preinit_array))
+    __preinit_array_end = .;
+
+    . = ALIGN(4);
+    __init_array_start = .;
+    KEEP (*(SORT(.init_array.*)))
+    KEEP (*(.init_array))
+    __init_array_end = .;
+
+    . = ALIGN(0x4);
+    KEEP (*crtbegin.o(.ctors))
+    KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
+    KEEP (*(SORT(.ctors.*)))
+    KEEP (*crtend.o(.ctors))
+
+    . = ALIGN(4);
+    KEEP(*(.fini))
+
+    . = ALIGN(4);
+    __fini_array_start = .;
+    KEEP (*(.fini_array))
+    KEEP (*(SORT(.fini_array.*)))
+    __fini_array_end = .;
+
+    KEEP (*crtbegin.o(.dtors))
+    KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
+    KEEP (*(SORT(.dtors.*)))
+    KEEP (*crtend.o(.dtors))
+
+    . = ALIGN(4);
+    _efixed = .;            /* End of text section */
+  } > CODE_REGION
+
+  PROVIDE_HIDDEN (__exidx_start = .);
+  .ARM.exidx :
+  {
+    *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+  } > CODE_REGION
+  PROVIDE_HIDDEN (__exidx_end = .);
+
+  . = ALIGN(4);
+  _etext = .;
+
+  .bss (NOLOAD) :
+  {
+      . = ALIGN(4);
+      __bss_start__ = .;
+      _sbss = . ;
+      _szero = .;
+      *(COMMON)
+      . = ALIGN(4);
+      __bss_end__ = .;
+      _ebss = . ;
+      _ezero = .;
+  } > DATA_REGION
+
+  . = ALIGN(4);
+  _end = . ;
+  _ram_end_ = ORIGIN(ram) + LENGTH(ram) -1 ;
+}