diff --git a/boards/risc-v/qemu-rv/rv-virt/configs/knsh64/defconfig b/boards/risc-v/qemu-rv/rv-virt/configs/knsh64/defconfig
new file mode 100644
index 0000000000..ce821e008a
--- /dev/null
+++ b/boards/risc-v/qemu-rv/rv-virt/configs/knsh64/defconfig
@@ -0,0 +1,96 @@
+#
+# 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_16550_ADDRWIDTH=0
+CONFIG_16550_UART0=y
+CONFIG_16550_UART0_BASE=0x10000000
+CONFIG_16550_UART0_CLOCK=3686400
+CONFIG_16550_UART0_IRQ=35
+CONFIG_16550_UART0_SERIAL_CONSOLE=y
+CONFIG_16550_UART=y
+CONFIG_ARCH="risc-v"
+CONFIG_ARCH_ADDRENV=y
+CONFIG_ARCH_BOARD="rv-virt"
+CONFIG_ARCH_BOARD_QEMU_RV_VIRT=y
+CONFIG_ARCH_CHIP="qemu-rv"
+CONFIG_ARCH_CHIP_QEMU_RV64=y
+CONFIG_ARCH_CHIP_QEMU_RV=y
+CONFIG_ARCH_CHIP_QEMU_RV_ISA_A=y
+CONFIG_ARCH_CHIP_QEMU_RV_ISA_C=y
+CONFIG_ARCH_CHIP_QEMU_RV_ISA_M=y
+CONFIG_ARCH_DATA_NPAGES=128
+CONFIG_ARCH_DATA_VBASE=0xC0000000
+CONFIG_ARCH_HEAP_NPAGES=128
+CONFIG_ARCH_HEAP_VBASE=0x00000000
+CONFIG_ARCH_INTERRUPTSTACK=2048
+CONFIG_ARCH_KERNEL_STACKSIZE=3072
+CONFIG_ARCH_PGPOOL_MAPPING=y
+CONFIG_ARCH_PGPOOL_PBASE=0x80400000
+CONFIG_ARCH_PGPOOL_SIZE=4194304
+CONFIG_ARCH_PGPOOL_VBASE=0x80400000
+CONFIG_ARCH_RISCV=y
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_ARCH_TEXT_NPAGES=0
+CONFIG_ARCH_TEXT_VBASE=0x00000000
+CONFIG_ARCH_USE_MMU=y
+CONFIG_ARCH_USE_MPU=y
+CONFIG_ARCH_USE_S_MODE=y
+CONFIG_BOARD_LOOPSPERMSEC=6366
+CONFIG_BUILD_KERNEL=y
+CONFIG_DEBUG_ASSERTIONS=y
+CONFIG_DEBUG_ERROR=y
+CONFIG_DEBUG_FEATURES=y
+CONFIG_DEBUG_FULLOPT=y
+CONFIG_DEBUG_SYMBOLS=y
+CONFIG_DEV_ZERO=y
+CONFIG_ELF=y
+CONFIG_EXAMPLES_HELLO=m
+CONFIG_FS_HOSTFS=y
+CONFIG_FS_PROCFS=y
+CONFIG_IDLETHREAD_STACKSIZE=3072
+CONFIG_INIT_FILEPATH="/system/bin/init"
+CONFIG_INIT_MOUNT=y
+CONFIG_INIT_MOUNT_DATA="fs=../apps"
+CONFIG_INIT_MOUNT_FLAGS=0x1
+CONFIG_INIT_MOUNT_FSTYPE="hostfs"
+CONFIG_INIT_MOUNT_SOURCE=""
+CONFIG_INIT_MOUNT_TARGET="/system"
+CONFIG_INIT_STACKSIZE=3072
+CONFIG_INTELHEX_BINARY=y
+CONFIG_LIBC_ENVPATH=y
+CONFIG_LIBC_EXECFUNCS=y
+CONFIG_LIBC_FLOATINGPOINT=y
+CONFIG_LIBC_PERROR_STDOUT=y
+CONFIG_LIBC_STRERROR=y
+CONFIG_MEMSET_64BIT=y
+CONFIG_MEMSET_OPTSPEED=y
+CONFIG_MM_PGALLOC=y
+CONFIG_NFILE_DESCRIPTORS_PER_BLOCK=6
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_FILEIOSIZE=512
+CONFIG_NSH_FILE_APPS=y
+CONFIG_NSH_READLINE=y
+CONFIG_PATH_INITIAL="/system/bin"
+CONFIG_PREALLOC_TIMERS=0
+CONFIG_RAM_SIZE=1048576
+CONFIG_RAM_START=0x80100000
+CONFIG_READLINE_CMD_HISTORY=y
+CONFIG_RISCV_SEMIHOSTING_HOSTFS=y
+CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_WAITPID=y
+CONFIG_SERIAL_UART_ARCH_MMIO=y
+CONFIG_STACK_COLORATION=y
+CONFIG_START_MONTH=12
+CONFIG_START_YEAR=2021
+CONFIG_SYMTAB_ORDEREDBYNAME=y
+CONFIG_SYSLOG_TIMESTAMP=y
+CONFIG_SYSTEM_NSH=y
+CONFIG_SYSTEM_NSH_PROGNAME="init"
+CONFIG_TESTING_GETPRIME=y
+CONFIG_USEC_PER_TICK=1000
diff --git a/boards/risc-v/qemu-rv/rv-virt/include/board_memorymap.h b/boards/risc-v/qemu-rv/rv-virt/include/board_memorymap.h
new file mode 100644
index 0000000000..c0c6336b01
--- /dev/null
+++ b/boards/risc-v/qemu-rv/rv-virt/include/board_memorymap.h
@@ -0,0 +1,98 @@
+/****************************************************************************
+ * boards/risc-v/qemu-rv/rv-virt/include/board_memorymap.h
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you 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
+ *
+ *   http://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.
+ *
+ ****************************************************************************/
+
+#ifndef __BOARDS_RISCV_QEMURV_RVVIRT_INCLUDE_BOARD_MEMORYMAP_H
+#define __BOARDS_RISCV_QEMURV_RVVIRT_INCLUDE_BOARD_MEMORYMAP_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <stdint.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* DDR start address */
+
+#define QEMURV_DDR_BASE   (0x80000000)
+#define QEMURV_DDR_SIZE   (0x40000000)
+
+/* Kernel code memory (RX) */
+
+#define KFLASH_START    (uintptr_t)&__kflash_start
+#define KFLASH_SIZE     (uintptr_t)&__kflash_size
+#define KSRAM_START     (uintptr_t)&__ksram_start
+#define KSRAM_SIZE      (uintptr_t)&__ksram_size
+#define KSRAM_END       (uintptr_t)&__ksram_end
+
+/* Kernel RAM (RW) */
+
+#define PGPOOL_START    (uintptr_t)&__pgheap_start
+#define PGPOOL_SIZE     (uintptr_t)&__pgheap_size
+
+/* Page pool (RWX) */
+
+#define PGPOOL_START    (uintptr_t)&__pgheap_start
+#define PGPOOL_SIZE     (uintptr_t)&__pgheap_size
+#define PGPOOL_END      (PGPOOL_START + PGPOOL_SIZE)
+
+/* User flash */
+
+#define UFLASH_START    (uintptr_t)&__uflash_start
+#define UFLASH_SIZE     (uintptr_t)&__uflash_size
+
+/* User RAM */
+
+#define USRAM_START     (uintptr_t)&__usram_start
+#define USRAM_SIZE      (uintptr_t)&__usram_size
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/* Kernel code memory (RX)  */
+
+extern uintptr_t        __kflash_start;
+extern uintptr_t        __kflash_size;
+
+/* Kernel RAM (RW) */
+
+extern uintptr_t        __ksram_start;
+extern uintptr_t        __ksram_size;
+extern uintptr_t        __ksram_end;
+
+/* Page pool (RWX) */
+
+extern uintptr_t        __pgheap_start;
+extern uintptr_t        __pgheap_size;
+
+/* User code memory (RX) */
+
+extern uintptr_t        __uflash_start;
+extern uintptr_t        __uflash_size;
+
+/* User RAM (RW) */
+
+extern uintptr_t        __usram_start;
+extern uintptr_t        __usram_size;
+
+#endif /* __BOARDS_RISC_V_QEMURV_RVVIRT_INCLUDE_BOARD_MEMORYMAP_H */
diff --git a/boards/risc-v/qemu-rv/rv-virt/scripts/Make.defs b/boards/risc-v/qemu-rv/rv-virt/scripts/Make.defs
index 596a800bbb..051f362e18 100644
--- a/boards/risc-v/qemu-rv/rv-virt/scripts/Make.defs
+++ b/boards/risc-v/qemu-rv/rv-virt/scripts/Make.defs
@@ -23,8 +23,12 @@ include $(TOPDIR)/tools/Config.mk
 include $(TOPDIR)/arch/risc-v/src/common/Toolchain.defs
 
 ifeq ($(CONFIG_ARCH_CHIP_QEMU_RV),y)
+ifeq ($(CONFIG_BUILD_KERNEL),y)
+  LDSCRIPT = ld-kernel.script
+else
   LDSCRIPT = ld.script
 endif
+endif
 
 ARCHSCRIPT += $(BOARD_DIR)$(DELIM)scripts$(DELIM)$(LDSCRIPT)
 
diff --git a/boards/risc-v/qemu-rv/rv-virt/scripts/ld-kernel.script b/boards/risc-v/qemu-rv/rv-virt/scripts/ld-kernel.script
new file mode 100755
index 0000000000..1c29fa58cf
--- /dev/null
+++ b/boards/risc-v/qemu-rv/rv-virt/scripts/ld-kernel.script
@@ -0,0 +1,143 @@
+/****************************************************************************
+ * boards/risc-v/qemu-rv/rv-virt/scripts/ld.script
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you 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
+ *
+ *   http://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.
+ *
+ ****************************************************************************/
+
+MEMORY
+{
+    kflash (rx) : ORIGIN = 0x80000000, LENGTH = 2048K   /* w/ cache */
+    ksram (rwx) : ORIGIN = 0x80200000, LENGTH = 2048K   /* w/ cache */
+    pgram (rwx) : ORIGIN = 0x80400000, LENGTH = 4096K   /* w/ cache */
+}
+
+OUTPUT_ARCH("riscv")
+
+/* Provide the kernel boundaries */
+
+__kflash_start = ORIGIN(kflash);
+__kflash_size = LENGTH(kflash);
+__ksram_start = ORIGIN(ksram);
+__ksram_size = LENGTH(ksram);
+__ksram_end = ORIGIN(ksram) + LENGTH(ksram);
+
+/* Page heap */
+
+__pgheap_start = ORIGIN(pgram);
+__pgheap_size = LENGTH(pgram);
+
+SECTIONS
+{
+  . = 0x80000000;
+
+  .text :
+    {
+      _stext = . ;
+      *(.text)
+      *(.text.*)
+      *(.gnu.warning)
+      *(.stub)
+      *(.glue_7)
+      *(.glue_7t)
+      *(.jcr)
+
+      /* C++ support:  The .init and .fini sections contain specific logic
+       * to manage static constructors and destructors.
+       */
+
+      *(.gnu.linkonce.t.*)
+      *(.init)             /* Old ABI */
+      *(.fini)             /* Old ABI */
+      _etext = . ;
+    }
+
+  .rodata :
+    {
+      _srodata = . ;
+      *(.rodata)
+      *(.rodata1)
+      *(.rodata.*)
+      *(.gnu.linkonce.r*)
+      _erodata = . ;
+    }
+
+  .tdata : {
+      _stdata = ABSOLUTE(.);
+      *(.tdata .tdata.* .gnu.linkonce.td.*);
+      _etdata = ABSOLUTE(.);
+  }
+
+  .tbss : {
+      _stbss = ABSOLUTE(.);
+      *(.tbss .tbss.* .gnu.linkonce.tb.* .tcommon);
+      _etbss = ABSOLUTE(.);
+  }
+
+  _eronly = ABSOLUTE(.);
+
+  .data :
+    {
+      _sdata = . ;
+      *(.data)
+      *(.data1)
+      *(.data.*)
+      *(.gnu.linkonce.d*)
+      . = ALIGN(4);
+      _edata = . ;
+    }
+
+  .bss :
+    {
+      _sbss = . ;
+      *(.bss)
+      *(.bss.*)
+      *(.sbss)
+      *(.sbss.*)
+      *(.gnu.linkonce.b*)
+      *(COMMON)
+      _ebss = . ;
+    } > ksram
+
+    /* Page tables here, align to 4K boundary */
+
+    .pgtables : ALIGN(0x1000) {
+        *(.pgtables)
+        . = ALIGN(4);
+    } > ksram
+
+    /* Stack top */
+
+    .stack_top : {
+        . = ALIGN(32);
+        _ebss = ABSOLUTE(.);
+    } > ksram
+
+    /* Stabs debugging sections.    */
+
+    .stab 0 : { *(.stab) }
+    .stabstr 0 : { *(.stabstr) }
+    .stab.excl 0 : { *(.stab.excl) }
+    .stab.exclstr 0 : { *(.stab.exclstr) }
+    .stab.index 0 : { *(.stab.index) }
+    .stab.indexstr 0 : { *(.stab.indexstr) }
+    .comment 0 : { *(.comment) }
+    .debug_abbrev 0 : { *(.debug_abbrev) }
+    .debug_info 0 : { *(.debug_info) }
+    .debug_line 0 : { *(.debug_line) }
+    .debug_pubnames 0 : { *(.debug_pubnames) }
+    .debug_aranges 0 : { *(.debug_aranges) }
+}