Add knsh target for icicle

Template for knsh target (e.g. protected build with user space nsh)

Requires MPU and linker script updates to work

boards/risc-v/mpfs/icicle/configs/knsh/defconfig

@@ -0,0 +1,80 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed .config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that includes your
+# modifications.
+#
+# CONFIG_DISABLE_OS_API is not set
+# CONFIG_NSH_DISABLE_LOSMART is not set
+CONFIG_ARCH="risc-v"
+CONFIG_ARCH_BOARD="icicle"
+CONFIG_ARCH_BOARD_ICICLE_MPFS=y
+CONFIG_ARCH_CHIP="mpfs"
+CONFIG_ARCH_CHIP_MPFS=y
+CONFIG_ARCH_INTERRUPTSTACK=2048
+CONFIG_ARCH_RISCV=y
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_ARCH_USE_MPU=y
+CONFIG_BUILD_PROTECTED=y
+CONFIG_SYS_RESERVED=9
+CONFIG_PASS1_BUILDIR="boards/risc-v/mpfs/common/kernel"
+CONFIG_NUTTX_USERSPACE=0x80040000
+CONFIG_BOARD_LOOPSPERMSEC=54000
+CONFIG_BUILTIN=y
+CONFIG_DEBUG_ASSERTIONS=y
+CONFIG_DEBUG_ERROR=y
+CONFIG_DEBUG_FEATURES=y
+CONFIG_DEBUG_FULLOPT=y
+CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_SYMBOLS=y
+CONFIG_DEBUG_WARN=y
+CONFIG_DEV_ZERO=y
+CONFIG_EXPERIMENTAL=y
+CONFIG_FS_PROCFS=y
+CONFIG_FS_ROMFS=y
+CONFIG_IDLETHREAD_STACKSIZE=2048
+CONFIG_INIT_ENTRYPOINT="nsh_main"
+CONFIG_INIT_STACKSIZE=3072
+CONFIG_INTELHEX_BINARY=y
+CONFIG_LIBC_FLOATINGPOINT=y
+CONFIG_LIBC_HOSTNAME="icicle"
+CONFIG_LIBC_PERROR_STDOUT=y
+CONFIG_LIBC_STRERROR=y
+CONFIG_MEMSET_64BIT=y
+CONFIG_MEMSET_OPTSPEED=y
+CONFIG_MPFS_ENABLE_DPFPU=y
+CONFIG_MPFS_UART1=y
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_DISABLE_IFUPDOWN=y
+CONFIG_NSH_DISABLE_MKDIR=y
+CONFIG_NSH_DISABLE_RM=y
+CONFIG_NSH_DISABLE_RMDIR=y
+CONFIG_NSH_DISABLE_UMOUNT=y
+CONFIG_NSH_LINELEN=160
+CONFIG_NSH_STRERROR=y
+CONFIG_PREALLOC_TIMERS=4
+CONFIG_RAM_SIZE=1048576
+CONFIG_RAM_START=0x80200000
+CONFIG_RAW_BINARY=y
+CONFIG_READLINE_CMD_HISTORY=y
+CONFIG_READLINE_TABCOMPLETION=y
+CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_HPWORK=y
+CONFIG_SCHED_LPWORK=y
+CONFIG_SCHED_WAITPID=y
+CONFIG_SERIAL_NPOLLWAITERS=2
+CONFIG_STACK_COLORATION=y
+CONFIG_START_MONTH=4
+CONFIG_START_YEAR=2021
+CONFIG_SYSLOG_COLOR_OUTPUT=y
+CONFIG_SYSTEM_CLE_CMD_HISTORY=y
+CONFIG_SYSTEM_COLOR_CLE=y
+CONFIG_SYSTEM_NSH=y
+CONFIG_SYSTEM_TIME64=y
+CONFIG_TASK_NAME_SIZE=20
+CONFIG_TESTING_GETPRIME=y
+CONFIG_TESTING_OSTEST=y
+CONFIG_TESTING_OSTEST_FPUSIZE=264
+CONFIG_UART1_SERIAL_CONSOLE=y