diff --git a/ChangeLog b/ChangeLog
index a3ebf96e79772af53df87ff3d77f8315c9c7a836..0fb5348d7eb39e8566dfec90b09f9bfb0236a5f9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -451,4 +451,6 @@
* NSH: Created an HTML document and a more detailed README file describing NSH.
* Added basic TFTP client logic (netutils/tftpc). Untested as of initial check-in.
* NSH: Add get and put commands to support TFTP get and put operations.
+ * NSH: Added a mkrd command that will create a RAMDISK that can be formatted
+ and mounted.
diff --git a/Documentation/NuttShell.html b/Documentation/NuttShell.html
index 2c8d8e2fb1962cee2e91dec4fe6c17bfc8e44a9e..fa8003a17c07d82cd18347fd013a9b6ae6b7891b 100644
--- a/Documentation/NuttShell.html
+++ b/Documentation/NuttShell.html
@@ -179,73 +179,79 @@
<tr>
<td><br></td>
<td>
- <a href="#cmdmount">2.18 Mount a File System (mount)</a>
+ <a href="#cmdmkrd">2.18 Create a RAMDISK (mkrd)</a>
</td>
</tr>
<tr>
<td><br></td>
<td>
- <a href="#cmdping">2.19 Check Network Peer (ping)</a>
+ <a href="#cmdmount">2.19 Mount a File System (mount)</a>
</td>
</tr>
<tr>
<td><br></td>
<td>
- <a href="#cmdput">2.20 Send File Via TFTP (put)</a>
+ <a href="#cmdping">2.20 Check Network Peer (ping)</a>
</td>
</tr>
<tr>
<td><br></td>
<td>
- <a href="#cmdpwd">2.21 Show Current Working Directory (pwd)</a>
+ <a href="#cmdput">2.21 Send File Via TFTP (put)</a>
</td>
</tr>
<tr>
<td><br></td>
<td>
- <a href="#cmdrm">2.22 Remove a File (rm)</a>
+ <a href="#cmdpwd">2.22 Show Current Working Directory (pwd)</a>
</td>
</tr>
<tr>
<td><br></td>
<td>
- <a href="#cmdrmdir">2.23 Remove a Directory (rmdir)</a>
+ <a href="#cmdrm">2.23 Remove a File (rm)</a>
</td>
</tr>
<tr>
<td><br></td>
<td>
- <a href="#cmdset">2.24 Set an Environment Variable (set)</a>
+ <a href="#cmdrmdir">2.24 Remove a Directory (rmdir)</a>
</td>
</tr>
<tr>
<td><br></td>
<td>
- <a href="#cmdsh">2.25 Execute an NSH Script (sh)</a>
+ <a href="#cmdset">2.25 Set an Environment Variable (set)</a>
</td>
</tr>
<tr>
<td><br></td>
<td>
- <a href="#cmdsleep">2.26 Wait for Seconds (sleep)</a>
+ <a href="#cmdsh">2.26 Execute an NSH Script (sh)</a>
</td>
</tr>
<tr>
<td><br></td>
<td>
- <a href="#cmdunmount">2.27 Unmount a File System (umount)</a>
+ <a href="#cmdsleep">2.27 Wait for Seconds (sleep)</a>
</td>
</tr>
<tr>
<td><br></td>
<td>
- <a href="#cmdunset">2.28 Unset an Environment Variable (unset)</a>
+ <a href="#cmdunmount">2.28 Unmount a File System (umount)</a>
</td>
</tr>
<tr>
<td><br></td>
<td>
- <a href="#cmdusleep">2.29 Wait for Microseconds (usleep)</a>
+ <a href="#cmdunset">2.29 Unset an Environment Variable (unset)</a>
+ </td>
+</tr>
+<tr>
+ <td><br></td>
+ <td>
+ <a href="#cmdusleep">2.30 Wait for Microseconds (usleep)</a>
</td>
</tr>
<tr>
@@ -989,7 +995,58 @@ nsh>
<table width ="100%">
<tr bgcolor="#e4e4e4">
<td>
- <a name="cmdmount"><h2>2.18 Mount a File System (mount)</h2></a>
+ <a name="cmdmkrd"><h2>2.18 Create a RAMDISK (mkrd)</h2></a>
+ </td>
+</tr>
+</table>
+
+<p><b>Command Syntax:</b></p>
+<ul><pre>
+mkrd [-m <minor>] [-s <sector-size>] <nsectors>
+</pre></ul>
+<p>
+ <b>Synopsis</b>.
+ Create a ramdisk consisting of <code><nsectors></code>, each of size
+ <code><sector-size></code> (or 512 bytes if <code><sector-size></code> is not specified.
+ The ramdisk will be registered as <code>/dev/ram<n></code> (if <code><n></code> is not
+ specified, mkrd will attempt to register the ramdisk as <code>/dev/ram0</code>.
+</p>
+<p><b>Example</b></p>
+<ul><pre>
+nsh> ls /dev
+/dev:
+ console
+ null
+ ttyS0
+ ttyS1
+nsh> mkrd 1024
+nsh> ls /dev
+/dev:
+ console
+ null
+ ram0
+ ttyS0
+ ttyS1
+nsh>
+</pre></ul>
+<p>
+ Once the ramdisk has been created, it may be formatted using
+ the <code>mkfatfs</code> command and mounted using the <code>mount</code> command.
+</p>
+<p><b>Example</b></p>
+<ul><pre>
+nsh> mkrd 1024
+nsh> mkfatfs /dev/ram0
+nsh> mount -t vfat /dev/ram0 /tmp
+nsh> ls /tmp
+/tmp:
+nsh>
+</pre></ul>
+
+<table width ="100%">
+ <tr bgcolor="#e4e4e4">
+ <td>
+ <a name="cmdmount"><h2>2.19 Mount a File System (mount)</h2></a>
</td>
</tr>
</table>
@@ -1056,7 +1113,7 @@ nsh>
<table width ="100%">
<tr bgcolor="#e4e4e4">
<td>
- <a name="cmdping"><h2>2.19 Check Network Peer (ping)</h2></a>
+ <a name="cmdping"><h2>2.20 Check Network Peer (ping)</h2></a>
</td>
</tr>
</table>
@@ -1089,7 +1146,7 @@ nsh>
<table width ="100%">
<tr bgcolor="#e4e4e4">
<td>
- <a name="cmdput"><h2>2.20 Send File Via TFTP (put)</h2></a>
+ <a name="cmdput"><h2>2.21 Send File Via TFTP (put)</h2></a>
</td>
</tr>
</table>
@@ -1124,7 +1181,7 @@ put [-b|-n] [-f <remote-path>] -h <ip-address> <local-path>
<table width ="100%">
<tr bgcolor="#e4e4e4">
<td>
- <a name="cmdpwd"><h2>2.21 Show Current Working Directory (pwd)</h2></a>
+ <a name="cmdpwd"><h2>2.22 Show Current Working Directory (pwd)</h2></a>
</td>
</tr>
</table>
@@ -1154,7 +1211,7 @@ nsh>
<table width ="100%">
<tr bgcolor="#e4e4e4">
<td>
- <a name="cmdrm"><h2>2.22 Remove a File (rm)</h2></a>
+ <a name="cmdrm"><h2>2.23 Remove a File (rm)</h2></a>
</td>
</tr>
</table>
@@ -1188,7 +1245,7 @@ nsh>
<table width ="100%">
<tr bgcolor="#e4e4e4">
<td>
- <a name="cmdrmdir"><h2>2.23 Remove a Directory (rmdir)</h2></a>
+ <a name="cmdrmdir"><h2>2.24 Remove a Directory (rmdir)</h2></a>
</td>
</tr>
</table>
@@ -1223,7 +1280,7 @@ nsh>
<table width ="100%">
<tr bgcolor="#e4e4e4">
<td>
- <a name="cmdset"><h2>2.24 Set an Environment Variable (set)</h2></a>
+ <a name="cmdset"><h2>2.25 Set an Environment Variable (set)</h2></a>
</td>
</tr>
</table>
@@ -1249,7 +1306,7 @@ nsh>
<table width ="100%">
<tr bgcolor="#e4e4e4">
<td>
- <a name="cmdsh"><h2>2.25 Execute an NSH Script (sh)</h2></a>
+ <a name="cmdsh"><h2>2.26 Execute an NSH Script (sh)</h2></a>
</td>
</tr>
</table>
@@ -1267,7 +1324,7 @@ sh <script-path>
<table width ="100%">
<tr bgcolor="#e4e4e4">
<td>
- <a name="cmdsleep"><h2>2.26 Wait for Seconds (sleep)</h2></a>
+ <a name="cmdsleep"><h2>2.27 Wait for Seconds (sleep)</h2></a>
</td>
</tr>
</table>
@@ -1284,7 +1341,7 @@ sleep <sec>
<table width ="100%">
<tr bgcolor="#e4e4e4">
<td>
- <a name="cmdunmount"><h2>2.27 Unmount a File System (umount)</h2></a>
+ <a name="cmdunmount"><h2>2.28 Unmount a File System (umount)</h2></a>
</td>
</tr>
</table>
@@ -1314,7 +1371,7 @@ nsh>
<table width ="100%">
<tr bgcolor="#e4e4e4">
<td>
- <a name="cmdunset"><h2>2.28 Unset an Environment Variable (unset)</h2></a>
+ <a name="cmdunset"><h2>2.29 Unset an Environment Variable (unset)</h2></a>
</td>
</tr>
</table>
@@ -1340,7 +1397,7 @@ nsh>
<table width ="100%">
<tr bgcolor="#e4e4e4">
<td>
- <a name="cmdusleep"><h2>2.29 Wait for Microseconds (usleep)</h2></a>
+ <a name="cmdusleep"><h2>2.30 Wait for Microseconds (usleep)</h2></a>
</td>
</tr>
</table>
@@ -1448,7 +1505,11 @@ usleep <usec>
</tr>
<tr>
<td><b><code>mkfifo</code></b></td>
- <td>!<code>CONFIG_DISABLE_MOUNTPOINT</code> && <code>CONFIG_NFILE_DESCRIPTORS</code> > 0</td>
+ <td><code>CONFIG_NFILE_DESCRIPTORS</code> > 0</td>
+ </tr>
+ <tr>
+ <td><b><code>mkrd</code></b></td>
+ <td>!<code>CONFIG_DISABLE_MOUNTPOINT</code> && <code>CONFIG_NFILE_DESCRIPTORS</code> > 0 && <code>CONFIG_FS_FAT</code></td>
</tr>
<tr>
<td><b><code>mount</code></b></td>
@@ -1711,6 +1772,7 @@ usleep <usec>
<li><a href="#cmdmkdir"><code>mkdir</code></a></li>
<li><a href="#cmdmkfatfs"><code>mkfatfs</code></a></li>
<li><a href="#cmdmkfifo"><code>mkfifo</code></a></li>
+ <li><a href="#cmdmkrd"><code>mkrd</code></a></li>
<li><a href="#cmdmount"><code>mount</code></a></li>
<li><a href="#cmdoverview"><code>nice</code></a></li>
<li><a href="#environvars"><code>OLDPWD</code></a></li>
diff --git a/Documentation/NuttX.html b/Documentation/NuttX.html
index 2e936dee9e2514831c6ba4212511d6a448a4ca7b..59f2afdf97bc4f76405b9289ea4adaa646fac007 100644
--- a/Documentation/NuttX.html
+++ b/Documentation/NuttX.html
@@ -8,7 +8,7 @@
<tr align="center" bgcolor="#e4e4e4">
<td>
<h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1>
- <p>Last Updated: September 5, 2008</p>
+ <p>Last Updated: September 6, 2008</p>
</td>
</tr>
</table>
@@ -1078,6 +1078,8 @@ nuttx-0.3.14 2008-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
* NSH: Created an HTML document and a more detailed README file describing NSH.
* Added basic TFTP client logic (netutils/tftpc). Untested as of initial check-in.
* NSH: Add get and put commands to support TFTP get and put operations.
+ * NSH: Added a mkrd command that will create a RAMDISK that can be formatted
+ and mounted.
pascal-0.1.3 2008-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
diff --git a/arch/arm/src/common/up_exit.c b/arch/arm/src/common/up_exit.c
index 2660ed80bbb047cc4370946c4e2be54c84957e2d..79ff212183814ced728c7c1d45cdee0f06bb82ab 100644
--- a/arch/arm/src/common/up_exit.c
+++ b/arch/arm/src/common/up_exit.c
@@ -78,21 +78,21 @@ static void _up_dumponexit(FAR _TCB *tcb, FAR void *arg)
int i;
#endif
- dbg(" TCB=%p name=%s\n", tcb, tcb->argv[0]);
+ sdbg(" TCB=%p name=%s\n", tcb, tcb->argv[0]);
#if CONFIG_NFILE_DESCRIPTORS > 0
if (tcb->filelist)
{
- dbg(" filelist refcount=%d\n",
- tcb->filelist->fl_crefs);
+ sdbg(" filelist refcount=%d\n",
+ tcb->filelist->fl_crefs);
for (i = 0; i < CONFIG_NFILE_DESCRIPTORS; i++)
{
struct inode *inode = tcb->filelist->fl_files[i].f_inode;
if (inode)
{
- dbg(" fd=%d refcount=%d\n",
- i, inode->i_crefs);
+ sdbg(" fd=%d refcount=%d\n",
+ i, inode->i_crefs);
}
}
}
@@ -101,8 +101,8 @@ static void _up_dumponexit(FAR _TCB *tcb, FAR void *arg)
#if CONFIG_NFILE_STREAMS > 0
if (tcb->streams)
{
- dbg(" streamlist refcount=%d\n",
- tcb->streams->sl_crefs);
+ sdbg(" streamlist refcount=%d\n",
+ tcb->streams->sl_crefs);
for (i = 0; i < CONFIG_NFILE_STREAMS; i++)
{
@@ -110,11 +110,11 @@ static void _up_dumponexit(FAR _TCB *tcb, FAR void *arg)
if (filep->fs_filedes >= 0)
{
#if CONFIG_STDIO_BUFFER_SIZE > 0
- dbg(" fd=%d nbytes=%d\n",
- filep->fs_filedes,
+ sdbg(" fd=%d nbytes=%d\n",
+ filep->fs_filedes,
filep->fs_bufpos - filep->fs_bufstart);
#else
- dbg(" fd=%d\n", filep->fs_filedes);
+ sdbg(" fd=%d\n", filep->fs_filedes);
#endif
}
}
@@ -148,10 +148,10 @@ void _exit(int status)
(void)irqsave();
- lldbg("TCB=%p exitting\n", tcb);
+ slldbg("TCB=%p exitting\n", tcb);
#if defined(CONFIG_DUMP_ON_EXIT) && defined(CONFIG_DEBUG)
- lldbg("Other tasks:\n");
+ slldbg("Other tasks:\n");
sched_foreach(_up_dumponexit, NULL);
#endif
@@ -164,7 +164,7 @@ void _exit(int status)
*/
tcb = (_TCB*)g_readytorun.head;
- lldbg("New Active Task TCB=%p\n", tcb);
+ slldbg("New Active Task TCB=%p\n", tcb);
/* Then switch contexts */
diff --git a/arch/arm/src/common/up_initialize.c b/arch/arm/src/common/up_initialize.c
index 0f70fcca5cd17573e68dcff7c88df913725476e8..583142ec05dd2d665bd48f8cd58cbf50181dd2f8 100644
--- a/arch/arm/src/common/up_initialize.c
+++ b/arch/arm/src/common/up_initialize.c
@@ -75,12 +75,12 @@
static void up_calibratedelay(void)
{
int i;
- lldbg("Beginning 100s delay\n");
+ slldbg("Beginning 100s delay\n");
for (i = 0; i < 100; i++)
{
up_mdelay(1000);
}
- lldbg("End 100s delay\n");
+ slldbg("End 100s delay\n");
}
#else
# define up_calibratedelay()
diff --git a/arch/arm/src/common/up_releasepending.c b/arch/arm/src/common/up_releasepending.c
index 7f8016d53a0fc25b8d717bb78ed018621bdeff55..44b36590f4166dd45307824b08171a7faf9cd6a6 100644
--- a/arch/arm/src/common/up_releasepending.c
+++ b/arch/arm/src/common/up_releasepending.c
@@ -76,7 +76,7 @@ void up_release_pending(void)
{
_TCB *rtcb = (_TCB*)g_readytorun.head;
- lldbg("From TCB=%p\n", rtcb);
+ slldbg("From TCB=%p\n", rtcb);
/* Merge the g_pendingtasks list into the g_readytorun task list */
@@ -101,7 +101,7 @@ void up_release_pending(void)
*/
rtcb = (_TCB*)g_readytorun.head;
- lldbg("New Active Task TCB=%p\n", rtcb);
+ slldbg("New Active Task TCB=%p\n", rtcb);
/* Then switch contexts */
@@ -121,7 +121,7 @@ void up_release_pending(void)
*/
rtcb = (_TCB*)g_readytorun.head;
- lldbg("New Active Task TCB=%p\n", rtcb);
+ slldbg("New Active Task TCB=%p\n", rtcb);
/* Then switch contexts */
diff --git a/arch/arm/src/common/up_reprioritizertr.c b/arch/arm/src/common/up_reprioritizertr.c
index 1f589b73fa9a98b5c6a32420e2657e13f110c7ea..13081958220cd28ae6ab6606178889ad03a33dde 100644
--- a/arch/arm/src/common/up_reprioritizertr.c
+++ b/arch/arm/src/common/up_reprioritizertr.c
@@ -97,7 +97,7 @@ void up_reprioritize_rtr(_TCB *tcb, ubyte priority)
_TCB *rtcb = (_TCB*)g_readytorun.head;
boolean switch_needed;
- lldbg("TCB=%p PRI=%d\n", tcb, priority);
+ slldbg("TCB=%p PRI=%d\n", tcb, priority);
/* Remove the tcb task from the ready-to-run list.
* sched_removereadytorun will return TRUE if we just
@@ -149,7 +149,7 @@ void up_reprioritize_rtr(_TCB *tcb, ubyte priority)
*/
rtcb = (_TCB*)g_readytorun.head;
- lldbg("New Active Task TCB=%p\n", rtcb);
+ slldbg("New Active Task TCB=%p\n", rtcb);
/* Then switch contexts */
@@ -168,7 +168,7 @@ void up_reprioritize_rtr(_TCB *tcb, ubyte priority)
*/
rtcb = (_TCB*)g_readytorun.head;
- lldbg("New Active Task TCB=%p\n", rtcb);
+ slldbg("New Active Task TCB=%p\n", rtcb);
/* Then switch contexts */
diff --git a/arch/arm/src/common/up_schedulesigaction.c b/arch/arm/src/common/up_schedulesigaction.c
index 6b56cc3b67b637d40567cd6f354e01d97fd46926..1dbecc8e76e63f0b51aa081b895d2a6322e3b8cd 100644
--- a/arch/arm/src/common/up_schedulesigaction.c
+++ b/arch/arm/src/common/up_schedulesigaction.c
@@ -99,7 +99,7 @@ void up_schedule_sigaction(_TCB *tcb, sig_deliver_t sigdeliver)
{
/* Refuse to handle nested signal actions */
- dbg("tcb=0x%p sigdeliver=0x%p\n", tcb, sigdeliver);
+ sdbg("tcb=0x%p sigdeliver=0x%p\n", tcb, sigdeliver);
if (!tcb->xcp.sigdeliver)
{
@@ -113,7 +113,7 @@ void up_schedule_sigaction(_TCB *tcb, sig_deliver_t sigdeliver)
* being delivered to the currently executing task.
*/
- dbg("rtcb=0x%p current_regs=0x%p\n", g_readytorun.head, current_regs);
+ sdbg("rtcb=0x%p current_regs=0x%p\n", g_readytorun.head, current_regs);
if (tcb == (_TCB*)g_readytorun.head)
{
diff --git a/arch/arm/src/common/up_sigdeliver.c b/arch/arm/src/common/up_sigdeliver.c
index 31d798b93565fa9789919b02226943c02d4cc3fa..4b2f1c27b6cbb0c7c663d885b4e1cc498bf368d7 100644
--- a/arch/arm/src/common/up_sigdeliver.c
+++ b/arch/arm/src/common/up_sigdeliver.c
@@ -90,8 +90,8 @@ void up_sigdeliver(void)
up_ledon(LED_SIGNAL);
- dbg("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
- rtcb, rtcb->xcp.sigdeliver, rtcb->sigpendactionq.head);
+ sdbg("rtcb=%p sigdeliver=%p sigpendactionq.head=%p\n",
+ rtcb, rtcb->xcp.sigdeliver, rtcb->sigpendactionq.head);
ASSERT(rtcb->xcp.sigdeliver != NULL);
/* Save the real return state on the stack. */
@@ -124,7 +124,7 @@ void up_sigdeliver(void)
* (it is probably EINTR).
*/
- dbg("Resuming\n");
+ sdbg("Resuming\n");
rtcb->pterrno = saved_errno;
/* Then restore the correct state for this thread of
diff --git a/examples/README.txt b/examples/README.txt
index 13865365347b09ed86515efc6244af2811bc9174..ba6051e16f538816327f631a7d892c1630ae71ef 100644
--- a/examples/README.txt
+++ b/examples/README.txt
@@ -39,7 +39,7 @@ examples/mount
^^^^^^^^^^^^^^
This contains a simple test of filesystem mountpoints.
-
+
* CONFIG_EXAMPLES_MOUNT_DEVNAME
The name of the user-provided block device to mount.
If CONFIG_EXAMPLES_MOUNT_DEVNAME is not provided, then
diff --git a/examples/nsh/README.txt b/examples/nsh/README.txt
index 1972b2b1364ce34268dad3795f7523ff8d460ba4..0c0bc2eba4e2090f1fae6ecd35aa4f2e039574a2 100644
--- a/examples/nsh/README.txt
+++ b/examples/nsh/README.txt
@@ -325,6 +325,45 @@ o mkfifo <path>
brw-rw-rw- 0 ram0
nsh>
+o mkrd [-m <minor>] [-s <sector-size>] <nsectors>
+
+ Create a ramdisk consisting of <nsectors>, each of size
+ <sector-size> (or 512 bytes if <sector-size> is not specified.
+ The ramdisk will be registered as /dev/ram<n> (if <n> is not
+ specified, mkrd will attempt to register the ramdisk as
+ /dev/ram0.
+
+ Example:
+ ^^^^^^^^
+
+ nsh> ls /dev
+ /dev:
+ console
+ null
+ ttyS0
+ ttyS1
+ nsh> mkrd 1024
+ nsh> ls /dev
+ /dev:
+ console
+ null
+ ram0
+ ttyS0
+ ttyS1
+ nsh>
+
+ Once the ramdisk has been created, it may be formatted using
+ the mkfatfs command and mounted using the mount command.
+
+ Example:
+ ^^^^^^^^
+ nsh> mkrd 1024
+ nsh> mkfatfs /dev/ram0
+ nsh> mount -t vfat /dev/ram0 /tmp
+ nsh> ls /tmp
+ /tmp:
+ nsh>
+
o mount -t <fstype> <block-device> <dir-path>
The 'mount' command mounts a file system in the NuttX psuedo
@@ -543,7 +582,8 @@ Command Dependencies on Configuration Settings
mem ---
mkdir !CONFIG_DISABLE_MOUNTPOINT && CONFIG_NFILE_DESCRIPTORS > 0
mkfatfs !CONFIG_DISABLE_MOUNTPOINT && CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_FS_FAT
- mkfifo !CONFIG_DISABLE_MOUNTPOINT && CONFIG_NFILE_DESCRIPTORS > 0
+ mkfifo CONFIG_NFILE_DESCRIPTORS > 0
+ mkrd !CONFIG_DISABLE_MOUNTPOINT && CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_FS_FAT
mount !CONFIG_DISABLE_MOUNTPOINT && CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_FS_FAT
ping CONFIG_NET && CONFIG_NET_ICMP && CONFIG_NET_ICMP_PING && !CONFIG_DISABLE_CLOCK && !CONFIG_DISABLE_SIGNALS
ps --
diff --git a/examples/nsh/nsh.h b/examples/nsh/nsh.h
index f468a264a4086137cca427dbced9014c8d0b6c0d..c69aa2342d303c759278e417fd59996974cc7227 100644
--- a/examples/nsh/nsh.h
+++ b/examples/nsh/nsh.h
@@ -284,6 +284,7 @@ extern int cmd_lbracket(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
# ifndef CONFIG_DISABLE_MOUNTPOINT
extern int cmd_mkdir(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
extern int cmd_mkfifo(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
+ extern int cmd_mkrd(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
extern int cmd_rm(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
extern int cmd_rmdir(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
# ifdef CONFIG_FS_FAT
diff --git a/examples/nsh/nsh_fscmds.c b/examples/nsh/nsh_fscmds.c
index 458f1130e9d16154020b7a749161ee92e9670e35..cd02ca576ee731b4de3370717bb0e540f6594224 100644
--- a/examples/nsh/nsh_fscmds.c
+++ b/examples/nsh/nsh_fscmds.c
@@ -48,6 +48,7 @@
# include <sys/mount.h>
# include <nuttx/mkfatfs.h>
# endif
+# include <nuttx/ramdisk.h>
#endif
#endif
@@ -756,7 +757,7 @@ int cmd_mkfatfs(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
* Name: cmd_mkfifo
****************************************************************************/
-#if !defined(CONFIG_DISABLE_MOUNTPOINT) && CONFIG_NFILE_DESCRIPTORS > 0
+#if CONFIG_NFILE_DESCRIPTORS > 0
int cmd_mkfifo(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
char *fullpath = nsh_getfullpath(vtbl, argv[1]);
@@ -775,6 +776,99 @@ int cmd_mkfifo(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
}
#endif
+/****************************************************************************
+ * Name: cmd_mkrd
+ ****************************************************************************/
+
+#if !defined(CONFIG_DISABLE_MOUNTPOINT) && CONFIG_NFILE_DESCRIPTORS > 0
+int cmd_mkrd(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
+{
+ const char *fmt;
+ ubyte *buffer;
+ uint32 nsectors;
+ int sectsize = 512;
+ int minor = 0;
+ int ret;
+
+ /* Get the mount options */
+
+ int option;
+ while ((option = getopt(argc, argv, ":m:s:")) != ERROR)
+ {
+ switch (option)
+ {
+ case 'm':
+ minor = atoi(optarg);
+ if (minor < 0 || minor > 255)
+ {
+ fmt = g_fmtargrange;
+ goto errout_with_fmt;
+ }
+ break;
+
+ case 's':
+ sectsize = atoi(optarg);
+ if (minor < 0 || minor > 16384)
+ {
+ fmt = g_fmtargrange;
+ goto errout_with_fmt;
+ }
+ break;
+
+ case ':':
+ fmt = g_fmtargrequired;
+ goto errout_with_fmt;
+
+ case '?':
+ default:
+ fmt = g_fmtarginvalid;
+ goto errout_with_fmt;
+ }
+ }
+
+ /* There should be exactly on parameter left on the command-line */
+
+ if (optind == argc-1)
+ {
+ nsectors = (uint32)atoi(argv[optind]);
+ }
+ else if (optind >= argc)
+ {
+ fmt = g_fmttoomanyargs;
+ goto errout_with_fmt;
+ }
+ else
+ {
+ fmt = g_fmtargrequired;
+ goto errout_with_fmt;
+ }
+
+ /* Allocate the memory backing up the ramdisk */
+
+ buffer = (ubyte*)malloc(sectsize * nsectors);
+ if (!buffer)
+ {
+ fmt = g_fmtcmdoutofmemory;
+ goto errout_with_fmt;
+ }
+
+ /* Then register the ramdisk */
+
+ ret = rd_register(minor, buffer, nsectors, sectsize, TRUE);
+ if (ret < 0)
+ {
+ nsh_output(vtbl, g_fmtcmdfailed, argv[0], "rd_register", NSH_ERRNO_OF(-ret));
+ free(buffer);
+ return ERROR;
+ }
+ return ret;
+
+errout_with_fmt:
+ nsh_output(vtbl, fmt, argv[0]);
+ return ERROR;
+}
+#endif
+
/****************************************************************************
* Name: cmd_mount
****************************************************************************/
diff --git a/examples/nsh/nsh_main.c b/examples/nsh/nsh_main.c
index f2890159c66a18e4076aeab790317d6f5e4a856d..e58836fccee946551323214b8c2308dc6306fb59 100644
--- a/examples/nsh/nsh_main.c
+++ b/examples/nsh/nsh_main.c
@@ -163,6 +163,7 @@ static const struct cmdmap_s g_cmdmap[] =
{ "mkfatfs", cmd_mkfatfs, 2, 2, "<path>" },
#endif
{ "mkfifo", cmd_mkfifo, 2, 2, "<path>" },
+ { "mkrd", cmd_mkrd, 2, 6, "[-m <minor>] [-s <sector-size>] <nsectors>" },
#endif
{ "mh", cmd_mh, 2, 3, "<hex-address>[=<hex-value>][ <hex-byte-count>]" },
#if !defined(CONFIG_DISABLE_MOUNTPOINT) && CONFIG_NFILE_DESCRIPTORS > 0