boards: rv-virt: Add hostfs support to nsh and nsh64 defconfigs

Summary:
- This commit adds hostfs support to nsh and nsh64 defconfigs

Impact:
- None

Testing:
- Tested with qemu-6.2

Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>

boards/risc-v/qemu-rv/rv-virt/README.txt

@@ -22,11 +22,22 @@
 
 4. Run the nuttx with qemu
 
-  $ qemu-system-riscv32 -M virt -cpu rv32 -smp 8 -bios none -kernel nuttx -nographic
+  $ qemu-system-riscv32 -semihosting -M virt -cpu rv32 -smp 8 -bios none -kernel nuttx -nographic
 
   or
 
-  $ qemu-system-riscv64 -M virt -cpu rv64 -smp 8-bios none -kernel nuttx -nographic
+  $ qemu-system-riscv64 -semihosting -M virt -cpu rv64 -smp 8 -bios none -kernel nuttx -nographic
+
+  NuttShell (NSH) NuttX-10.3.0-RC1
+  nsh> mount -t hostfs -o fs=. /host
+  nsh> cat /host/AUTHORS
+  This is a list of all the contributors that have submitted ICLA, SGA
+  If you are not on this list and believe you should be, please inform us.
+
+  ICLA
+  ====
+  ...
+  nsh>
 
 5. TODO
 

boards/risc-v/qemu-rv/rv-virt/configs/nsh/defconfig

@@ -44,6 +44,7 @@ CONFIG_DEBUG_FULLOPT=y
 CONFIG_DEBUG_SYMBOLS=y
 CONFIG_DEFAULT_SMALL=y
 CONFIG_DEV_ZERO=y
+CONFIG_FS_HOSTFS=y
 CONFIG_FS_PROCFS=y
 CONFIG_IDLETHREAD_STACKSIZE=2048
 CONFIG_INIT_ENTRYPOINT="nsh_main"
@@ -58,6 +59,7 @@ CONFIG_NSH_FILEIOSIZE=64
 CONFIG_PREALLOC_TIMERS=0
 CONFIG_RAM_SIZE=33554432
 CONFIG_RAM_START=0x80000000
+CONFIG_RISCV_SEMIHOSTING_HOSTFS=y
 CONFIG_RR_INTERVAL=200
 CONFIG_SCHED_WAITPID=y
 CONFIG_SERIAL_UART_ARCH_MMIO=y

boards/risc-v/qemu-rv/rv-virt/configs/nsh64/defconfig

@@ -44,6 +44,7 @@ CONFIG_DEBUG_FULLOPT=y
 CONFIG_DEBUG_SYMBOLS=y
 CONFIG_DEFAULT_SMALL=y
 CONFIG_DEV_ZERO=y
+CONFIG_FS_HOSTFS=y
 CONFIG_FS_PROCFS=y
 CONFIG_IDLETHREAD_STACKSIZE=2048
 CONFIG_INIT_ENTRYPOINT="nsh_main"
@@ -59,6 +60,7 @@ CONFIG_NSH_FILEIOSIZE=64
 CONFIG_PREALLOC_TIMERS=0
 CONFIG_RAM_SIZE=33554432
 CONFIG_RAM_START=0x80000000
+CONFIG_RISCV_SEMIHOSTING_HOSTFS=y
 CONFIG_RR_INTERVAL=200
 CONFIG_SCHED_WAITPID=y
 CONFIG_SERIAL_UART_ARCH_MMIO=y