mps3-an547:add defconfig for pic run ostest

1. ./tools/configure.sh mps3-an547:picostest
2. make -j20
3. genromfs -f romfs.img -d ../apps/bin/
4. qemu-system-arm -M mps3-an547 -m 2G -nographic \
   -kernel nuttx.bin -gdb tcp::1127 \
   -device loader,file=romfs.img,addr=0x60000000
5. nsh> /pic/hello
5. nsh> /pic/ostest

Signed-off-by: anjiahao <anjiahao@xiaomi.com>

Documentation/platforms/arm/mps/boards/mps3-an547/index.rst

@@ -28,6 +28,19 @@ Configuring and Running
    $ qemu-system-arm -M mps3-an547 -nographic -kernel nuttx.bin
    ```
 
+3. **Pic ostest:**
+
+   ```bash
+   $ ./tools/configure.sh mps3-an547:picostest
+   $ make -j20
+   $ genromfs -f romfs.img -d ../apps/bin/
+   $ qemu-system-arm -M mps3-an547 -m 2G -nographic \
+   -kernel nuttx.bin -gdb tcp::1127 \
+   -device loader,file=romfs.img,addr=0x60000000
+   $ nsh> /pic/hello
+   $ nsh> /pic/ostest
+   ```
+
 Debugging with QEMU
 ===================
 

boards/arm/mps/mps3-an547/configs/picostest/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_ARCH="arm"
+CONFIG_ARCH_BOARD="mps3-an547"
+CONFIG_ARCH_BOARD_MPS3_AN547=y
+CONFIG_ARCH_CHIP="mps"
+CONFIG_ARCH_CHIP_MPS3_AN547=y
+CONFIG_ARCH_CHIP_MPS=y
+CONFIG_ARCH_INTERRUPTSTACK=4096
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_ARMV8M_SYSTICK=y
+CONFIG_BUILTIN=y
+CONFIG_CMSDK_UART0=y
+CONFIG_CMSDK_UART0_BASE=0x49303000
+CONFIG_CMSDK_UART0_CLOCK=25000000
+CONFIG_CMSDK_UART0_OV_IRQ=59
+CONFIG_CMSDK_UART0_RX_IRQ=50
+CONFIG_CMSDK_UART0_SERIAL_CONSOLE=y
+CONFIG_CMSDK_UART0_TX_IRQ=49
+CONFIG_CMSDK_UART=y
+CONFIG_DEBUG_ASSERTIONS=y
+CONFIG_DEBUG_BINFMT=y
+CONFIG_DEBUG_BINFMT_ERROR=y
+CONFIG_DEBUG_BINFMT_INFO=y
+CONFIG_DEBUG_BINFMT_WARN=y
+CONFIG_DEBUG_FEATURES=y
+CONFIG_DEBUG_MM=y
+CONFIG_DEBUG_SCHED=y
+CONFIG_DEBUG_SCHED_ERROR=y
+CONFIG_DEBUG_SYMBOLS=y
+CONFIG_DEFAULT_TASK_STACKSIZE=4096
+CONFIG_DEV_ZERO=y
+CONFIG_ELF=y
+CONFIG_EXAMPLES_HELLO=m
+CONFIG_EXPERIMENTAL=y
+CONFIG_FS_PROCFS=y
+CONFIG_FS_ROMFS=y
+CONFIG_FS_TMPFS=y
+CONFIG_HAVE_CXX=y
+CONFIG_HAVE_CXXINITIALIZE=y
+CONFIG_IDLETHREAD_STACKSIZE=4096
+CONFIG_INIT_ENTRYPOINT="nsh_main"
+CONFIG_INTELHEX_BINARY=y
+CONFIG_LIBC_EXECFUNCS=y
+CONFIG_LIBC_MEMFD_ERROR=y
+CONFIG_MM_BACKTRACE=0
+CONFIG_MODULE=y
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_FILEIOSIZE=512
+CONFIG_NSH_FILE_APPS=y
+CONFIG_NSH_READLINE=y
+CONFIG_NSH_SYMTAB=y
+CONFIG_PIC=y
+CONFIG_PREALLOC_TIMERS=4
+CONFIG_RAMLOG=y
+CONFIG_RAM_SIZE=2097152
+CONFIG_RAM_START=0x01000000
+CONFIG_RAW_BINARY=y
+CONFIG_READLINE_CMD_HISTORY=y
+CONFIG_RR_INTERVAL=200
+CONFIG_SPINLOCK=y
+CONFIG_STACK_COLORATION=y
+CONFIG_STANDARD_SERIAL=y
+CONFIG_START_DAY=25
+CONFIG_START_MONTH=4
+CONFIG_START_YEAR=2023
+CONFIG_SYMTAB_ORDEREDBYNAME=y
+CONFIG_SYSTEM_NSH=y
+CONFIG_SYSTEM_SYSTEM=y
+CONFIG_TESTING_GETPRIME=y
+CONFIG_TESTING_OSTEST=m
+CONFIG_TIMER=y
+CONFIG_TIMER_ARCH=y
+CONFIG_USEC_PER_TICK=1000

boards/arm/mps/mps3-an547/src/mps3_bringup.c

@@ -25,9 +25,11 @@
 #include <nuttx/config.h>
 
 #include <sys/types.h>
+#include <sys/mount.h>
 #include <syslog.h>
 
 #include <nuttx/fs/fs.h>
+#include <nuttx/drivers/ramdisk.h>
 
 /****************************************************************************
  * Pre-processor Definitions
@@ -71,6 +73,23 @@ static int mps3_bringup(void)
     }
 #endif
 
+#ifdef CONFIG_FS_ROMFS
+  ret = romdisk_register(1, 0x60000000, 4096, 512);
+  if (ret < 0)
+    {
+      syslog(LOG_ERR, "ERROR: romdisk_register failed: %d\n", -ret);
+    }
+  else
+    {
+      ret = nx_mount("/dev/ram1", "/pic", "romfs", MS_RDONLY, NULL);
+      if (ret < 0)
+        {
+          syslog(LOG_ERR, "ERROR: Failed to mount romfs at /mnt: %d\n", ret);
+        }
+    }
+
+#endif
+
   return ret;
 }