@@ -23,11 +23,6 @@
#define MODE_READ 0x0
#define MODE_READBIN 0x1
-static long smh_read(long fd, void *memp, size_t len);
-static long smh_open(const char *fname, char *modestr);
-static long smh_close(long fd);
-static long smh_len_fd(long fd);
-
/*
* Call the handler
*/
@@ -44,60 +39,43 @@ static long smh_trap(unsigned int sysnum, void *addr)
}
/*
- * Open, load a file into memory, and close it. Check that the available space
- * is sufficient to store the entire file. Return the bytes actually read from
- * the file as seen by the read function. The verbose flag enables some extra
- * printing of successful read status.
+ * Open a file on the host. Mode is "r" or "rb" currently. Returns a file
+ * descriptor or -1 on error.
*/
-int smh_load(const char *fname, void *memp, int avail, int verbose)
+static long smh_open(const char *fname, char *modestr)
{
- long ret;
long fd;
- size_t len;
-
- ret = -1;
-
- debug("%s: fname \'%s\', avail %u, memp %p\n", __func__, fname,
- avail, memp);
-
- /* Open the file */
- fd = smh_open(fname, "rb");
- if (fd == -1)
- return -1;
+ unsigned long mode;
+ struct smh_open_s {
+ const char *fname;
+ unsigned long mode;
+ size_t len;
+ } open;
- /* Get the file length */
- ret = smh_len_fd(fd);
- if (ret == -1) {
- smh_close(fd);
- return -1;
- }
+ debug("%s: file \'%s\', mode \'%s\'\n", __func__, fname, modestr);
- /* Check that the file will fit in the supplied buffer */
- if (ret > avail) {
- printf("%s: ERROR ret %ld, avail %u\n", __func__, ret,
- avail);
- smh_close(fd);
+ /* Check the file mode */
+ if (!(strcmp(modestr, "r"))) {
+ mode = MODE_READ;
+ } else if (!(strcmp(modestr, "rb"))) {
+ mode = MODE_READBIN;
+ } else {
+ printf("%s: ERROR mode \'%s\' not supported\n", __func__,
+ modestr);
return -1;
}
- len = ret;
-
- /* Read the file into the buffer */
- ret = smh_read(fd, memp, len);
- if (ret == 0) {
- /* Print successful load information if requested */
- if (verbose) {
- printf("\n%s\n", fname);
- printf(" 0x%8p dest\n", memp);
- printf(" 0x%08lx size\n", len);
- printf(" 0x%08x avail\n", avail);
- }
- }
+ open.fname = fname;
+ open.len = strlen(fname);
+ open.mode = mode;
- /* Close the file */
- smh_close(fd);
+ /* Open the file on the host */
+ fd = smh_trap(SYSOPEN, &open);
+ if (fd == -1)
+ printf("%s: ERROR fd %ld for file \'%s\'\n", __func__, fd,
+ fname);
- return ret;
+ return fd;
}
/*
@@ -135,46 +113,6 @@ static long smh_read(long fd, void *memp, size_t len)
}
/*
- * Open a file on the host. Mode is "r" or "rb" currently. Returns a file
- * descriptor or -1 on error.
- */
-static long smh_open(const char *fname, char *modestr)
-{
- long fd;
- unsigned long mode;
- struct smh_open_s {
- const char *fname;
- unsigned long mode;
- size_t len;
- } open;
-
- debug("%s: file \'%s\', mode \'%s\'\n", __func__, fname, modestr);
-
- /* Check the file mode */
- if (!(strcmp(modestr, "r"))) {
- mode = MODE_READ;
- } else if (!(strcmp(modestr, "rb"))) {
- mode = MODE_READBIN;
- } else {
- printf("%s: ERROR mode \'%s\' not supported\n", __func__,
- modestr);
- return -1;
- }
-
- open.fname = fname;
- open.len = strlen(fname);
- open.mode = mode;
-
- /* Open the file on the host */
- fd = smh_trap(SYSOPEN, &open);
- if (fd == -1)
- printf("%s: ERROR fd %ld for file \'%s\'\n", __func__, fd,
- fname);
-
- return fd;
-}
-
-/*
* Close the file using the file descriptor
*/
static long smh_close(long fd)
@@ -207,6 +145,63 @@ static long smh_len_fd(long fd)
}
/*
+ * Open, load a file into memory, and close it. Check that the available space
+ * is sufficient to store the entire file. Return the bytes actually read from
+ * the file as seen by the read function. The verbose flag enables some extra
+ * printing of successful read status.
+ */
+int smh_load(const char *fname, void *memp, int avail, int verbose)
+{
+ long ret;
+ long fd;
+ size_t len;
+
+ ret = -1;
+
+ debug("%s: fname \'%s\', avail %u, memp %p\n", __func__, fname,
+ avail, memp);
+
+ /* Open the file */
+ fd = smh_open(fname, "rb");
+ if (fd == -1)
+ return -1;
+
+ /* Get the file length */
+ ret = smh_len_fd(fd);
+ if (ret == -1) {
+ smh_close(fd);
+ return -1;
+ }
+
+ /* Check that the file will fit in the supplied buffer */
+ if (ret > avail) {
+ printf("%s: ERROR ret %ld, avail %u\n", __func__, ret,
+ avail);
+ smh_close(fd);
+ return -1;
+ }
+
+ len = ret;
+
+ /* Read the file into the buffer */
+ ret = smh_read(fd, memp, len);
+ if (ret == 0) {
+ /* Print successful load information if requested */
+ if (verbose) {
+ printf("\n%s\n", fname);
+ printf(" 0x%8p dest\n", memp);
+ printf(" 0x%08lx size\n", len);
+ printf(" 0x%08x avail\n", avail);
+ }
+ }
+
+ /* Close the file */
+ smh_close(fd);
+
+ return ret;
+}
+
+/*
* Get the file length from the filename
*/
long smh_len(const char *fname)