Add a configuration for the lpc3152

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4043 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 297 insertions, 0 deletions

diff --git a/nuttx/configs/ea3152/tools/lpchdr.c b/nuttx/configs/ea3152/tools/lpchdr.c
new file mode 100755
index 000000000..522ceeedd
--- /dev/null
+++ b/nuttx/configs/ea3152/tools/lpchdr.c
@@ -0,0 +1,297 @@
+/************************************************************************************
+ * configs/ea3152/tools/lpchdr.c
+ *
+ *   Copyright (C) 2011 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 <sys/types.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <string.h>
+#include <fcntl.h>
+#include <errno.h>
+#include "lpchdr.h"
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+
+#define IO_BUF_SIZE  1024
+#define HDR_SIZE     0x80
+#define HDR_CRC_SIZE 0x6c
+
+/************************************************************************************
+ * Private Data
+ ************************************************************************************/
+
+static const char *g_infile;
+static const char *g_outfile;
+
+/************************************************************************************
+ * Private Functions
+ ************************************************************************************/
+
+static void show_usage(const char *progname, int exitcode)
+{
+  fprintf(stderr, "%s -o <outfile> <infile>\n", progname);
+  exit(exitcode);
+}
+
+static void parse_args(int argc, char **argv)
+{
+  int ch;
+
+  while ((ch = getopt(argc, argv, ":o:")) >= 0)
+    {
+      switch (ch)
+        {
+          case 'o':
+            g_outfile = optarg;
+            break;
+
+          case ':':
+            fprintf(stderr, "Missing option argumen\n");
+            show_usage(argv[0], 1);
+
+          case '?':
+          default:
+            fprintf(stderr, "Unrecognized option\n");
+            show_usage(argv[0], 1);
+        }
+    }
+
+  if (optind >= argc)
+    {
+      fprintf(stderr, "Missing binary input file name\n");
+      show_usage(argv[0], 1);
+    }
+
+  g_infile = argv[optind];
+  optind++;
+
+  if (optind < argc)
+    {
+      fprintf(stderr, "Garbage at the end of the command line\n");
+      show_usage(argv[0], 1);
+    }
+}
+
+static inline uint32_t infilecrc32(int infd, size_t len, size_t padlen)
+{
+  off_t offset;
+  uint8_t buffer[IO_BUF_SIZE];
+  ssize_t nbytes;
+  size_t bytesread;
+  uint32_t crc;
+
+  offset = lseek(infd, 0, SEEK_SET);
+  if (offset == (off_t)-1)
+    {
+      fprintf(stderr, "lseek failed: %s\n", strerror(errno));
+      exit(4);
+    }
+
+  crc = 0;
+  for (bytesread = 0; bytesread < len; bytesread += nbytes)
+    {
+      nbytes = read(infd, buffer, IO_BUF_SIZE);
+      if (nbytes < 0)
+        {
+          fprintf(stderr, "read failed: %s\n", strerror(errno));
+          exit(4);
+        }
+      else if (nbytes == 0)
+        {
+          fprintf(stderr, "Unexpected end-of-file: %s\n", strerror(errno));
+          exit(4);
+        }
+      else
+        {
+          crc = crc32part(buffer, nbytes, crc);
+        }
+    }
+
+  /* Add the zero-padding at the end of the binary in the CRC */
+
+  memset(buffer, 0, IO_BUF_SIZE);
+  return crc32part(buffer, padlen, crc);
+}
+
+static inline void writefile(int infd, int outfd, size_t len, size_t padlen)
+{
+  off_t offset;
+  uint8_t buffer[IO_BUF_SIZE];
+  ssize_t nbytesread;
+  ssize_t nbyteswritten;
+  size_t totalread;
+
+  offset = lseek(infd, 0, SEEK_SET);
+  if (offset == (off_t)-1)
+    {
+      fprintf(stderr, "lseek failed: %s\n", strerror(errno));
+      exit(4);
+    }
+
+  for (totalread = 0; totalread < len; totalread += nbytesread)
+    {
+      nbytesread = read(infd, buffer, IO_BUF_SIZE);
+      if (nbytesread < 0)
+        {
+          fprintf(stderr, "read failed: %s\n", strerror(errno));
+          exit(4);
+        }
+      else if (nbytesread == 0)
+        {
+          fprintf(stderr, "Unexpected end-of-file: %s\n", strerror(errno));
+          exit(4);
+        }
+      else
+        {
+          nbyteswritten = write(outfd, buffer, nbytesread);
+          if (nbyteswritten < 0)
+            {
+              fprintf(stderr, "write failed: %s\n", strerror(errno));
+              exit(4);
+            }
+          else if (nbyteswritten != nbytesread)
+            {
+              fprintf(stderr, "Short writes not handled\n");
+              exit(4);
+            }
+        }
+    }
+
+  /* Write the zero-padding at the end of the binary */
+
+  memset(buffer, 0, IO_BUF_SIZE);
+  nbyteswritten = write(outfd, buffer, padlen);
+  if (nbyteswritten < 0)
+    {
+      fprintf(stderr, "write failed: %s\n", strerror(errno));
+      exit(4);
+    }
+  else if (nbyteswritten != padlen)
+    {
+      fprintf(stderr, "Short writes not handled\n");
+      exit(4);
+    }
+}
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+int main(int argc, char **argv, char **envp)
+{
+  struct lpc31_header_s g_hdr;
+  struct stat buf;
+  ssize_t nbytes;
+  size_t padlen;
+  int infd;
+  int outfd;
+  int ret;
+
+  /* Parse arguments */
+
+  parse_args(argc, argv);
+
+  /* Open files */
+
+  infd = open(g_infile, O_RDONLY);
+  if (infd < 0)
+    {
+      fprintf(stderr, "Failed to open %s for reading: %s\n", g_infile, strerror(errno));
+      exit(2);
+    }
+
+  outfd = open(g_outfile, O_WRONLY|O_CREAT|O_TRUNC, 0644);
+  if (outfd < 0)
+    {
+      fprintf(stderr, "Failed to open %s for writing: %s\n", g_outfile, strerror(errno));
+      exit(2);
+    }
+
+  /* Get the size of the binary file */
+
+  ret = fstat(infd, &buf);
+  if (ret < 0)
+    {
+      fprintf(stderr, "stat of %s failed: %s\n", g_infile, strerror(errno));
+      exit(3);
+    }
+
+  /* Initialize the header */
+
+  memset(&g_hdr, 0, sizeof(struct lpc31_header_s));
+  g_hdr.vector          = 0xea00001e;  /* b 0x11029080 */
+  g_hdr.magic           = 0x41676d69;
+#if 1 /* CRC doesn't seem to be functional */
+  g_hdr.imageType       = 0x0000000a;
+#else
+  g_hdr.imageType       = 0x0000000b;
+#endif
+  g_hdr.imageLength     = (buf.st_size + sizeof(struct lpc31_header_s) + 511) & ~0x1ff;
+
+  /* This is how much we must pad at the end of the binary image. */
+
+  padlen                = g_hdr.imageLength - buf.st_size;
+
+  /* Calculate CRCs */
+ 
+  g_hdr.execution_crc32 = infilecrc32(infd, buf.st_size, padlen);
+  g_hdr.header_crc32    = crc32((const uint8_t*)&g_hdr, HDR_CRC_SIZE);
+
+  /* Write the header */
+
+  nbytes = write(outfd, &g_hdr, HDR_SIZE);
+  if (nbytes != 0x80)
+    {
+      fprintf(stderr, "write of header to of %s failed: %s\n", g_outfile, strerror(errno));
+      exit(4);
+    }
+
+  /* Copy the input file to the output */
+
+  writefile(infd, outfd, buf.st_size, padlen);
+  close(infd);
+  close(outfd);
+  return 0;
+}
+
+