Move NSH to apps/ as library

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3393 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 355 insertions, 0 deletions

diff --git a/apps/nshlib/nsh_dbgcmds.c b/apps/nshlib/nsh_dbgcmds.c
new file mode 100644
index 000000000..001f5dd49
--- /dev/null
+++ b/apps/nshlib/nsh_dbgcmds.c
@@ -0,0 +1,355 @@
+/****************************************************************************
+ * apps/nshlib/dbg_dbgcmds.c
+ *
+ *   Copyright (C) 2008-2009, 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/types.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include "nsh.h"
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+struct dbgmem_s
+{
+  bool         dm_write;  /* true: perfrom write operation */
+  void        *dm_addr;   /* Address to access */
+  uint32_t     dm_value;  /* Value to write */
+  unsigned int dm_count;  /* The number of bytes to access */
+};
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: mem_parse
+ ****************************************************************************/
+
+int mem_parse(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv,
+              struct dbgmem_s *mem)
+{
+  char *pcvalue = strchr(argv[1], '=');
+  unsigned long lvalue = 0;
+
+  /* Check if we are writing a value */
+
+  if (pcvalue)
+    {
+      *pcvalue = '\0';
+      pcvalue++;
+
+      lvalue = (unsigned long)strtol(pcvalue, NULL, 16);
+      if (lvalue > 0xffffffff)
+        {
+          return -EINVAL;
+        }
+
+      mem->dm_write = true;
+      mem->dm_value = (uint32_t)lvalue;
+    }
+  else
+    {
+      mem->dm_write = false;
+      mem->dm_value = 0;
+    }
+
+  /* Get the address to be accessed */
+
+  mem->dm_addr = (void*)strtol(argv[1], NULL, 16);
+
+  /* Get the number of bytes to access */
+
+  if (argc > 2)
+    {
+      mem->dm_count = (unsigned int)strtol(argv[2], NULL, 16);
+    }
+  else
+    {
+      mem->dm_count = 1;
+    }
+  return OK;
+}
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: cmd_mb
+ ****************************************************************************/
+
+#ifndef CONFIG_EXAMPLES_NSH_DISABLE_MB
+int cmd_mb(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
+{
+  struct dbgmem_s mem;
+  volatile uint8_t *ptr;
+  int ret;
+  int i;
+
+  ret = mem_parse(vtbl, argc, argv, &mem);
+  if (ret == 0)
+    {
+      /* Loop for the number of requested bytes */
+
+      for (i = 0, ptr = (volatile uint8_t*)mem.dm_addr; i < mem.dm_count; i++, ptr++)
+	{
+	  /* Print the value at the address */
+
+	  nsh_output(vtbl, "  %p = 0x%02x", ptr, *ptr);
+
+	  /* Are we supposed to write a value to this address? */
+
+	  if (mem.dm_write)
+	    {
+	      /* Yes, was the supplied value within range? */
+
+	      if (mem.dm_value > 0x000000ff)
+		{
+		  nsh_output(vtbl, g_fmtargrange, argv[0]);
+		  return ERROR;
+		}
+
+	      /* Write the value and re-read the address so that we print its
+	       * current value (if the address is a process address, then the
+	       * value read might not necessarily be the value written).
+	       */
+
+	      *ptr = (uint8_t)mem.dm_value;
+	      nsh_output(vtbl, " -> 0x%02x", *ptr);
+	    }
+
+	  /* Make sure we end it with a newline */
+
+	  nsh_output(vtbl, "\n", *ptr);
+	}
+    }
+  return ret;
+}
+#endif
+
+/****************************************************************************
+ * Name: cmd_mh
+ ****************************************************************************/
+
+#ifndef CONFIG_EXAMPLES_NSH_DISABLE_MH
+int cmd_mh(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
+{
+  struct dbgmem_s mem;
+  volatile uint16_t *ptr;
+  int ret;
+  int i;
+
+  ret = mem_parse(vtbl, argc, argv, &mem);
+  if (ret == 0)
+    {
+      /* Loop for the number of requested bytes */
+
+      for (i = 0, ptr = (volatile uint16_t*)mem.dm_addr; i < mem.dm_count; i += 2, ptr++)
+	{
+	  /* Print the value at the address */
+
+	  nsh_output(vtbl, "  %p = 0x%04x", ptr, *ptr);
+
+	  /* Are we supposed to write a value to this address? */
+
+	  if (mem.dm_write)
+	    {
+	      /* Yes, was the supplied value within range? */
+
+	      if (mem.dm_value > 0x0000ffff)
+		{
+		  nsh_output(vtbl, g_fmtargrange, argv[0]);
+		  return ERROR;
+		}
+
+	      /* Write the value and re-read the address so that we print its
+	       * current value (if the address is a process address, then the
+	       * value read might not necessarily be the value written).
+	       */
+
+	      *ptr = (uint16_t)mem.dm_value;
+	      nsh_output(vtbl, " -> 0x%04x", *ptr);
+	    }
+
+	  /* Make sure we end it with a newline */
+
+	  nsh_output(vtbl, "\n", *ptr);
+	}
+    }
+  return ret;
+}
+#endif
+
+/****************************************************************************
+ * Name: cmd_mw
+ ****************************************************************************/
+
+#ifndef CONFIG_EXAMPLES_NSH_DISABLE_MW
+int cmd_mw(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
+{
+  struct dbgmem_s mem;
+  volatile uint32_t *ptr;
+  int ret;
+  int i;
+
+  ret = mem_parse(vtbl, argc, argv, &mem);
+  if (ret == 0)
+    {
+      /* Loop for the number of requested bytes */
+
+      for (i = 0, ptr = (volatile uint32_t*)mem.dm_addr; i < mem.dm_count; i += 4, ptr++)
+	{
+	  /* Print the value at the address */
+
+	  nsh_output(vtbl, "  %p = 0x%08x", ptr, *ptr);
+
+	  /* Are we supposed to write a value to this address? */
+
+	  if (mem.dm_write)
+	    {
+	      /* Write the value and re-read the address so that we print its
+	       * current value (if the address is a process address, then the
+	       * value read might not necessarily be the value written).
+	       */
+
+	      *ptr = mem.dm_value;
+	      nsh_output(vtbl, " -> 0x%08x", *ptr);
+	    }
+
+	  /* Make sure we end it with a newline */
+
+	  nsh_output(vtbl, "\n", *ptr);
+	}
+    }
+  return ret;
+}
+#endif
+
+/****************************************************************************
+ * Name: nsh_dumpbuffer
+ ****************************************************************************/
+
+void nsh_dumpbuffer(FAR struct nsh_vtbl_s *vtbl, const char *msg,
+                    const uint8_t *buffer, ssize_t nbytes)
+{
+  char line[128];
+  int ch;
+  int i;
+  int j;
+
+  nsh_output(vtbl, "%s:\n", msg);
+  for (i = 0; i < nbytes; i += 16)
+    {
+      sprintf(line, "%04x: ", i);
+
+      for ( j = 0; j < 16; j++)
+        {
+          if (i + j < nbytes)
+            {
+              sprintf(&line[strlen(line)], "%02x ", buffer[i+j] );
+            }
+          else
+            {
+              strcpy(&line[strlen(line)], "   ");
+            }
+        }
+
+      for ( j = 0; j < 16; j++)
+        {
+          if (i + j < nbytes)
+            {
+              ch = buffer[i+j];
+              sprintf(&line[strlen(line)], "%c", ch >= 0x20 && ch <= 0x7e ? ch : '.');
+            }
+        }
+      nsh_output(vtbl, "%s\n", line);
+    }
+}
+
+/****************************************************************************
+ * Name: cmd_xd
+ ****************************************************************************/
+
+#ifndef CONFIG_EXAMPLES_NSH_DISABLE_XD
+int cmd_xd(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
+{
+  char  *addr;
+  char  *endptr;
+  int    nbytes;
+
+  addr = (char*)strtol(argv[1], &endptr, 16);
+  if (argv[0][0] == '\0' || *endptr != '\0')
+    {
+      return ERROR;
+    }
+
+  nbytes = (int)strtol(argv[2], &endptr, 0);
+  if (argv[0][0] == '\0' || *endptr != '\0' || nbytes < 0)
+    {
+      return ERROR;
+    }
+
+  nsh_dumpbuffer(vtbl, "Hex dump", (uint8_t*)addr, nbytes);
+  return OK;
+}
+#endif
+