diff --git a/boards/risc-v/qemu-rv/rv-virt/configs/knetnsh64/defconfig b/boards/risc-v/qemu-rv/rv-virt/configs/knetnsh64/defconfig
index f779cbb01da..4096db7fe15 100644
--- a/boards/risc-v/qemu-rv/rv-virt/configs/knetnsh64/defconfig
+++ b/boards/risc-v/qemu-rv/rv-virt/configs/knetnsh64/defconfig
@@ -113,8 +113,9 @@ CONFIG_NSH_FILE_APPS=y
 CONFIG_NSH_READLINE=y
 CONFIG_OPENAMP=y
 CONFIG_PATH_INITIAL="/system/bin"
-CONFIG_RAM_SIZE=1048576
-CONFIG_RAM_START=0x80100000
+CONFIG_RAM_SIZE=2097152
+CONFIG_RAM_START=0x80200000
+CONFIG_RAM_VSTART=0x80200000
 CONFIG_READLINE_CMD_HISTORY=y
 CONFIG_RISCV_SEMIHOSTING_HOSTFS=y
 CONFIG_RR_INTERVAL=200
diff --git a/boards/risc-v/qemu-rv/rv-virt/configs/knetnsh64_smp/defconfig b/boards/risc-v/qemu-rv/rv-virt/configs/knetnsh64_smp/defconfig
index dff00bb3a73..8121bce81e5 100644
--- a/boards/risc-v/qemu-rv/rv-virt/configs/knetnsh64_smp/defconfig
+++ b/boards/risc-v/qemu-rv/rv-virt/configs/knetnsh64_smp/defconfig
@@ -116,8 +116,9 @@ CONFIG_NSH_FILE_APPS=y
 CONFIG_NSH_READLINE=y
 CONFIG_OPENAMP=y
 CONFIG_PATH_INITIAL="/system/bin"
-CONFIG_RAM_SIZE=1048576
-CONFIG_RAM_START=0x80100000
+CONFIG_RAM_SIZE=2097152
+CONFIG_RAM_START=0x80200000
+CONFIG_RAM_VSTART=0x80200000
 CONFIG_READLINE_CMD_HISTORY=y
 CONFIG_RISCV_SEMIHOSTING_HOSTFS=y
 CONFIG_RR_INTERVAL=200
diff --git a/boards/risc-v/qemu-rv/rv-virt/configs/knsh64/defconfig b/boards/risc-v/qemu-rv/rv-virt/configs/knsh64/defconfig
index 32fb1192d56..b665b39c6e4 100644
--- a/boards/risc-v/qemu-rv/rv-virt/configs/knsh64/defconfig
+++ b/boards/risc-v/qemu-rv/rv-virt/configs/knsh64/defconfig
@@ -75,8 +75,9 @@ CONFIG_NSH_FILEIOSIZE=512
 CONFIG_NSH_FILE_APPS=y
 CONFIG_NSH_READLINE=y
 CONFIG_PATH_INITIAL="/system/bin"
-CONFIG_RAM_SIZE=1048576
-CONFIG_RAM_START=0x80100000
+CONFIG_RAM_SIZE=2097152
+CONFIG_RAM_START=0x80200000
+CONFIG_RAM_VSTART=0x80200000
 CONFIG_READLINE_CMD_HISTORY=y
 CONFIG_RISCV_SEMIHOSTING_HOSTFS=y
 CONFIG_RR_INTERVAL=200
diff --git a/boards/risc-v/qemu-rv/rv-virt/configs/ksmp64/defconfig b/boards/risc-v/qemu-rv/rv-virt/configs/ksmp64/defconfig
index 10931a2f93f..d9e9dcd111c 100644
--- a/boards/risc-v/qemu-rv/rv-virt/configs/ksmp64/defconfig
+++ b/boards/risc-v/qemu-rv/rv-virt/configs/ksmp64/defconfig
@@ -74,8 +74,9 @@ CONFIG_NSH_FILEIOSIZE=512
 CONFIG_NSH_FILE_APPS=y
 CONFIG_NSH_READLINE=y
 CONFIG_PATH_INITIAL="/system/bin"
-CONFIG_RAM_SIZE=1048576
-CONFIG_RAM_START=0x80100000
+CONFIG_RAM_SIZE=2097152
+CONFIG_RAM_START=0x80200000
+CONFIG_RAM_VSTART=0x80200000
 CONFIG_READLINE_CMD_HISTORY=y
 CONFIG_RISCV_SEMIHOSTING_HOSTFS=y
 CONFIG_RR_INTERVAL=200