sergiotarxz/nuttx-apps
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
782a3d25a0
nuttx-apps/nshlib/nsh_dbgcmds.c
Xiang Xiao 857158451b Unify the void cast usage 
1.Remove void cast for function because many place ignore the returned value witout cast
2.Replace void cast for variable with UNUSED macro

Change-Id: Ie644129a563244a6397036789c4c3ea83c4e9b09
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2020-01-02 23:21:01 +08:00

510 lines
14 KiB
C
Raw Blame History

/****************************************************************************
* apps/nshlib/dbg_dbgcmds.c
*
* Copyright (C) 2008-2009, 2011-2012, 2015, 2017-2018 Gregory Nutt. All
* rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 <fcntl.h>
#include "nsh.h"
#include "nsh_console.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#undef NSH_HAVE_MEMCMDS
#if !defined(CONFIG_NSH_DISABLE_MB) || !defined(CONFIG_NSH_DISABLE_MH) || \
!defined(CONFIG_NSH_DISABLE_MW)
# define NSH_HAVE_MEMCMDS 1
#endif
/****************************************************************************
* Private Types
****************************************************************************/
#ifdef NSH_HAVE_MEMCMDS
struct dbgmem_s
{
bool dm_write; /* true: perfrom write operation */
FAR void *dm_addr; /* Address to access */
uint32_t dm_value; /* Value to write */
unsigned int dm_count; /* The number of bytes to access */
};
#endif
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: mem_parse
****************************************************************************/
#ifdef NSH_HAVE_MEMCMDS
static int mem_parse(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv,
FAR struct dbgmem_s *mem)
{
FAR char *pcvalue = strchr(argv[1], '=');
unsigned long lvalue = 0;
/* Check if we are writing a value */
if (pcvalue)
{
*pcvalue = '\0';
pcvalue++;
lvalue = strtoul(pcvalue, NULL, 16);
if (lvalue > 0xffffffffL)
{
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 = (FAR void *)((uintptr_t)strtoul(argv[1], NULL, 16));
/* Get the number of bytes to access */
if (argc > 2)
{
mem->dm_count = (unsigned int)strtoul(argv[2], NULL, 16);
}
else
{
mem->dm_count = 1;
}
return OK;
}
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: cmd_mb
****************************************************************************/
#ifndef CONFIG_NSH_DISABLE_MB
int cmd_mb(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv)
{
struct dbgmem_s mem;
FAR volatile uint8_t *ptr;
unsigned int i;
int ret;
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_error(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_NSH_DISABLE_MH
int cmd_mh(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv)
{
struct dbgmem_s mem;
FAR volatile uint16_t *ptr;
unsigned int i;
int ret;
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_error(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_NSH_DISABLE_MW
int cmd_mw(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv)
{
struct dbgmem_s mem;
FAR volatile uint32_t *ptr;
unsigned int i;
int ret;
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, FAR const char *msg,
FAR 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, hex dump of memory
****************************************************************************/
#ifndef CONFIG_NSH_DISABLE_XD
int cmd_xd(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv)
{
FAR char *addr;
FAR char *endptr;
int nbytes;
addr = (FAR char*)((uintptr_t)strtoul(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
/****************************************************************************
* Name: cmd_hexdump, hex dump of files
****************************************************************************/
#ifndef CONFIG_NSH_DISABLE_HEXDUMP
int cmd_hexdump(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv)
{
FAR uint8_t *buffer;
char msg[32];
off_t position;
int fd;
int ret = OK;
#ifdef CONFIG_NSH_CMDOPT_HEXDUMP
off_t skip = 0;
off_t count = 0xfffffff;
off_t dumpbytes;
int x;
#endif
/* Open the file for reading */
fd = open(argv[1], O_RDONLY);
if (fd < 0)
{
nsh_error(vtbl, g_fmtcmdfailed, "hexdump", "open", NSH_ERRNO);
return ERROR;
}
buffer = (FAR uint8_t *)malloc(IOBUFFERSIZE);
if(buffer == NULL)
{
close(fd);
nsh_error(vtbl, g_fmtcmdfailed, "hexdump", "malloc", NSH_ERRNO);
return ERROR;
}
#ifdef CONFIG_NSH_CMDOPT_HEXDUMP
for (x = 2; x < argc; x++)
{
if (strncmp(argv[x], "skip=", 5) == 0)
{
skip = atoi(&argv[x][5]);
}
else if (strncmp(argv[x], "count=", 6) == 0)
{
count = atoi(&argv[x][6]);
}
}
#endif
position = 0;
for (;;)
{
int nbytesread = read(fd, buffer, IOBUFFERSIZE);
/* Check for read errors */
if (nbytesread < 0)
{
int errval = errno;
nsh_error(vtbl, g_fmtcmdfailed, "hexdump", "read",
NSH_ERRNO_OF(errval));
ret = ERROR;
break;
}
else if (nbytesread > 0)
{
#ifdef CONFIG_NSH_CMDOPT_HEXDUMP
if (position < skip)
{
/* Skip bytes until we reach the skip point */
position += nbytesread;
if (position > skip)
{
dumpbytes = position - skip;
if (dumpbytes > count)
{
dumpbytes = count;
}
snprintf(msg, sizeof(msg), "%s at %08x", argv[1], skip);
nsh_dumpbuffer(vtbl, msg,
&buffer[nbytesread - (position-skip)],
dumpbytes);
if (count > dumpbytes)
{
count -= dumpbytes;
}
else
{
break;
}
}
/* Don't print if we are in skip mode */
continue;
}
/* Limit dumpbuffer to count if less than a full buffer needed */
if (nbytesread > count)
{
nbytesread = count;
}
#endif
snprintf(msg, sizeof(msg), "%s at %08x", argv[1], position);
nsh_dumpbuffer(vtbl, msg, buffer, nbytesread);
position += nbytesread;
#ifdef CONFIG_NSH_CMDOPT_HEXDUMP
if (count > nbytesread)
{
count -= nbytesread;
}
else
{
break;
}
#endif
}
else
{
break; /* EOF */
}
}
close(fd);
free(buffer);
return ret;
}
#endif
/****************************************************************************
* Name: cmd_irqinfo
****************************************************************************/
#ifdef HAVE_IRQINFO
int cmd_irqinfo(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv)
{
return nsh_catfile(vtbl, argv[0], CONFIG_NSH_PROC_MOUNTPOINT "/irqs");
}
#endif
Reference in New Issue View Git Blame Copy Permalink