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-rw-r--r--apps/examples/elf/elf_main.c2
-rw-r--r--apps/examples/nxflat/nxflat_main.c2
-rw-r--r--nuttx/Documentation/NuttXBinfmt.html26
-rw-r--r--nuttx/Documentation/NuttXNxFlat.html2
-rw-r--r--nuttx/binfmt/binfmt_exec.c18
-rw-r--r--nuttx/binfmt/binfmt_execmodule.c6
-rw-r--r--nuttx/binfmt/binfmt_loadmodule.c43
-rw-r--r--nuttx/binfmt/builtin.c1
-rw-r--r--nuttx/binfmt/libbuiltin/Make.defs4
-rw-r--r--nuttx/binfmt/libbuiltin/libbuiltin_getname.c92
-rw-r--r--nuttx/binfmt/libbuiltin/libbuiltin_isavail.c (renamed from nuttx/binfmt/libbuiltin/libbuiltin_utils.c)21
-rw-r--r--nuttx/configs/sim/README.txt10
-rw-r--r--nuttx/include/nuttx/binfmt/binfmt.h11
13 files changed, 189 insertions, 49 deletions
diff --git a/apps/examples/elf/elf_main.c b/apps/examples/elf/elf_main.c
index 66a47592c..2b5c0eb5e 100644
--- a/apps/examples/elf/elf_main.c
+++ b/apps/examples/elf/elf_main.c
@@ -321,7 +321,7 @@ int elf_main(int argc, char *argv[])
/* Execute the ELF module */
- ret = exec_module(&bin, 50);
+ ret = exec_module(&bin);
mm_update(&g_mmstep, "after exec_module");
diff --git a/apps/examples/nxflat/nxflat_main.c b/apps/examples/nxflat/nxflat_main.c
index 536bc1dd8..0c4846a5c 100644
--- a/apps/examples/nxflat/nxflat_main.c
+++ b/apps/examples/nxflat/nxflat_main.c
@@ -243,7 +243,7 @@ int nxflat_main(int argc, char *argv[])
/* Execute the ELF module */
- ret = exec_module(&bin, 50);
+ ret = exec_module(&bin);
if (ret < 0)
{
err("ERROR: Failed to execute program '%s'\n", dirlist[i]);
diff --git a/nuttx/Documentation/NuttXBinfmt.html b/nuttx/Documentation/NuttXBinfmt.html
index 9c9fd3a51..7528b188b 100644
--- a/nuttx/Documentation/NuttXBinfmt.html
+++ b/nuttx/Documentation/NuttXBinfmt.html
@@ -8,7 +8,7 @@
<tr align="center" bgcolor="#e4e4e4">
<td>
<h1><big><font color="#3c34ec"><i>NuttX Binary Loader</i></font></big></h1>
- <p>Last Updated: December 17, 2012</p>
+ <p>Last Updated: January 16, 2013</p>
</td>
</tr>
</table>
@@ -141,7 +141,7 @@ struct binary_s
{
/* Information provided to the loader to load and bind a module */
- FAR const char *filename; /* Full path to the binary to be loaded<sup>1</sup> */
+ FAR const char *filename; /* Full path to the binary to be loaded */
FAR const char **argv; /* Argument list */
FAR const struct symtab_s *exports; /* Table of exported symbols */
int nexports; /* The number of symbols in exports[] */
@@ -153,13 +153,33 @@ struct binary_s
main_t entrypt; /* Entry point into a program module */
FAR void *mapped; /* Memory-mapped, address space */
FAR void *alloc[BINFMT_NALLOC]; /* Allocated address spaces */
+
+ /* Constructors/destructors */
+
#ifdef CONFIG_BINFMT_CONSTRUCTORS
FAR binfmt_ctor_t *ctors; /* Pointer to a list of constructors */
FAR binfmt_dtor_t *dtors; /* Pointer to a list of destructors */
uint16_t nctors; /* Number of constructors in the list */
uint16_t ndtors; /* Number of destructors in the list */
#endif
+
+ /* Address environment.
+ *
+ * addrenv - This is the handle created by up_addrenv_create() that can be
+ * used to manage the tasks address space.
+ */
+
+#ifdef CONFIG_ADDRENV
+ task_addrenv_t addrenv; /* Task address environment */
+#endif
+
size_t mapsize; /* Size of the mapped address region (needed for munmap) */
+
+ /* Start-up information that is provided by the loader, but may be modified
+ * by the caller between load_module() and exec_module() calls.
+ */
+
+ uint8_t priority; /* Task execution priority */
size_t stacksize; /* Size of the stack in bytes (unallocated) */
};
</pre></ul>
@@ -291,7 +311,7 @@ This is a NuttX internal function so it follows the convention that 0 (<code>OK<
<p><b>Function Prototype:</b></p>
<ul><pre>
#include &lt:nuttx/binfmt/binfmt.h&gt;
-int exec_module(FAR const struct binary_s *bin, int priority);
+int exec_module(FAR const struct binary_s *bin);
</pre></ul>
<p><b>Description:</b></p>
<ul>
diff --git a/nuttx/Documentation/NuttXNxFlat.html b/nuttx/Documentation/NuttXNxFlat.html
index 3a2ed8046..ed04f7f77 100644
--- a/nuttx/Documentation/NuttXNxFlat.html
+++ b/nuttx/Documentation/NuttXNxFlat.html
@@ -668,7 +668,7 @@ cat ../syscall/syscall.csv ../libc/lib.csv | sort >tmp.csv
</p>
</ul>
-<p><b><code>int exec_module(FAR const struct binary_s *bin, int priority)</code></b>
+<p><b><code>int exec_module(FAR const struct binary_s *bin)</code></b>
<ul>
<p><b>Description:</b>
Execute a module that has been loaded into memory by load_module().
diff --git a/nuttx/binfmt/binfmt_exec.c b/nuttx/binfmt/binfmt_exec.c
index d5e274710..d878c8cc5 100644
--- a/nuttx/binfmt/binfmt_exec.c
+++ b/nuttx/binfmt/binfmt_exec.c
@@ -40,7 +40,6 @@
#include <nuttx/config.h>
#include <string.h>
-#include <sched.h>
#include <debug.h>
#include <errno.h>
@@ -75,8 +74,7 @@
*
* Description:
* This is a convenience function that wraps load_ and exec_module into
- * one call. The priority of the executed program is set to be the
- * same as the priority of the calling thread.
+ * one call.
*
* Input Parameter:
* filename - Fulll path to the binary to be loaded
@@ -95,18 +93,8 @@ int exec(FAR const char *filename, FAR const char **argv,
FAR const struct symtab_s *exports, int nexports)
{
struct binary_s bin;
- struct sched_param param;
int ret;
- /* Get the priority of this thread */
-
- ret = sched_getparam(0, &param);
- if (ret < 0)
- {
- bdbg("ERROR: sched_getparam failed: %d\n", errno);
- return ERROR;
- }
-
/* Load the module into memory */
memset(&bin, 0, sizeof(struct binary_s));
@@ -121,9 +109,9 @@ int exec(FAR const char *filename, FAR const char **argv,
return ERROR;
}
- /* Then start the module at the priority of this thread */
+ /* Then start the module */
- ret = exec_module(&bin, param.sched_priority);
+ ret = exec_module(&bin);
if (ret < 0)
{
bdbg("ERROR: Failed to execute program '%s'\n", filename);
diff --git a/nuttx/binfmt/binfmt_execmodule.c b/nuttx/binfmt/binfmt_execmodule.c
index df8da5343..afa445abb 100644
--- a/nuttx/binfmt/binfmt_execmodule.c
+++ b/nuttx/binfmt/binfmt_execmodule.c
@@ -144,7 +144,7 @@ static inline int exec_ctors(FAR const struct binary_s *binp)
*
****************************************************************************/
-int exec_module(FAR const struct binary_s *binp, int priority)
+int exec_module(FAR const struct binary_s *binp)
{
FAR _TCB *tcb;
#ifndef CONFIG_CUSTOM_STACK
@@ -187,12 +187,12 @@ int exec_module(FAR const struct binary_s *binp, int priority)
/* Initialize the task */
- ret = task_init(tcb, binp->filename, priority, stack,
+ ret = task_init(tcb, binp->filename, binp->priority, stack,
binp->stacksize, binp->entrypt, binp->argv);
#else
/* Initialize the task */
- ret = task_init(tcb, binp->filename, priority, stack,
+ ret = task_init(tcb, binp->filename, binp->priority, stack,
binp->entrypt, binp->argv);
#endif
if (ret < 0)
diff --git a/nuttx/binfmt/binfmt_loadmodule.c b/nuttx/binfmt/binfmt_loadmodule.c
index 112a6b35b..4f3dc6952 100644
--- a/nuttx/binfmt/binfmt_loadmodule.c
+++ b/nuttx/binfmt/binfmt_loadmodule.c
@@ -67,6 +67,39 @@
****************************************************************************/
/****************************************************************************
+ * Name: load_default_priority
+ *
+ * Description:
+ * Set the default priority of the module to be loaded. This may be
+ * changed (1) by the actions of the binary format's load() method if
+ * the binary format contains priority informaition, or (2) by the user
+ * between calls to load_module() and exec_module().
+ *
+ * Returned Value:
+ * Zero (OK) is returned on success; Otherwise, -1 (ERROR) is returned and
+ * the errno variable is set appropriately.
+ *
+ ****************************************************************************/
+
+static int load_default_priority(FAR struct binary_s *bin)
+{
+ struct sched_param param;
+
+ /* Get the priority of this thread */
+
+ ret = sched_getparam(0, &param);
+ if (ret < 0)
+ {
+ bdbg("ERROR: sched_getparam failed: %d\n", errno);
+ return ERROR;
+ }
+
+ /* Save that as the priority of child thread */
+
+ bin->priority = param.sched_priority;
+}
+
+/****************************************************************************
* Name: load_absmodule
*
* Description:
@@ -145,6 +178,16 @@ int load_module(FAR struct binary_s *bin)
if (bin && bin->filename)
#endif
{
+ /* Set the default priority of the new program. */
+
+ ret = load_default_priority(bin)
+ if (ret < 0)
+ {
+ /* The errno is already set in this case */
+
+ return ERROR;
+ }
+
/* Were we given a relative path? Or an absolute path to the file to
* be loaded? Absolute paths start with '/'.
*/
diff --git a/nuttx/binfmt/builtin.c b/nuttx/binfmt/builtin.c
index e591ebea8..d36cb6326 100644
--- a/nuttx/binfmt/builtin.c
+++ b/nuttx/binfmt/builtin.c
@@ -136,6 +136,7 @@ static int builtin_loadbinary(struct binary_s *binp)
binp->entrypt = g_builtins[index].main;
binp->stacksize = g_builtins[index].stacksize;
+ binp->priority = g_builtins[index].priority;
return OK;
}
diff --git a/nuttx/binfmt/libbuiltin/Make.defs b/nuttx/binfmt/libbuiltin/Make.defs
index 96e8b6c37..5eec1acde 100644
--- a/nuttx/binfmt/libbuiltin/Make.defs
+++ b/nuttx/binfmt/libbuiltin/Make.defs
@@ -41,9 +41,9 @@ BINFMT_CSRCS += builtin.c
# Builtin library interfaces
-BINFMT_CSRCS += libbuiltin_utils.c
+BINFMT_CSRCS += libbuiltin_getname.c libbuiltin_isavail.c
-# Hook the libelf subdirectory into the build
+# Hook the libbuiltin subdirectory into the build
VPATH += libbuiltin
SUBDIRS += libbuiltin
diff --git a/nuttx/binfmt/libbuiltin/libbuiltin_getname.c b/nuttx/binfmt/libbuiltin/libbuiltin_getname.c
new file mode 100644
index 000000000..01ac024f7
--- /dev/null
+++ b/nuttx/binfmt/libbuiltin/libbuiltin_getname.c
@@ -0,0 +1,92 @@
+/****************************************************************************
+ * binfmt/libbuiltin/libbuiltin_getname.c
+ *
+ * Originally by:
+ *
+ * Copyright (C) 2011 Uros Platise. All rights reserved.
+ * Author: Uros Platise <uros.platise@isotel.eu>
+ *
+ * With subsequent updates, modifications, and general maintenance by:
+ *
+ * Copyright (C) 2012-2013 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 <nuttx/binfmt/builtin.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: builtin_getname
+ *
+ * Description:
+ * Return the name of the application at index in the table of builtin
+ * applications.
+ *
+ ****************************************************************************/
+
+FAR const char *builtin_getname(int index)
+{
+ if (index < 0 || index >= number_builtins())
+ {
+ return NULL;
+ }
+
+ return g_builtins[index].name;
+}
diff --git a/nuttx/binfmt/libbuiltin/libbuiltin_utils.c b/nuttx/binfmt/libbuiltin/libbuiltin_isavail.c
index b53becff9..f99a4b81d 100644
--- a/nuttx/binfmt/libbuiltin/libbuiltin_utils.c
+++ b/nuttx/binfmt/libbuiltin/libbuiltin_isavail.c
@@ -1,5 +1,5 @@
/****************************************************************************
- * binfmt/libbuiltin/libbuiltin_utils.c
+ * binfmt/libbuiltin/libbuiltin_isavail.c
*
* Originally by:
*
@@ -77,25 +77,6 @@
****************************************************************************/
/****************************************************************************
- * Name: builtin_getname
- *
- * Description:
- * Return the name of the application at index in the table of builtin
- * applications.
- *
- ****************************************************************************/
-
-FAR const char *builtin_getname(int index)
-{
- if (index < 0 || index >= number_builtins())
- {
- return NULL;
- }
-
- return g_builtins[index].name;
-}
-
-/****************************************************************************
* Name: builtin_isavail
*
* Description:
diff --git a/nuttx/configs/sim/README.txt b/nuttx/configs/sim/README.txt
index 6e124a3a1..67ff73019 100644
--- a/nuttx/configs/sim/README.txt
+++ b/nuttx/configs/sim/README.txt
@@ -290,6 +290,16 @@ nsh
2. This version has one builtin function: This configuration:
apps/examples/hello.
+ 3. This configuration has BINFS enabled so that the builtin applications
+ can be made visible in the file system. For example:
+
+ NuttShell (NSH) NuttX-6.24
+ nsh> mount -t binfs /bin
+ nsh> ls /bin
+ /bin:
+ hello
+ nsh>
+
nsh2
Description
diff --git a/nuttx/include/nuttx/binfmt/binfmt.h b/nuttx/include/nuttx/binfmt/binfmt.h
index 480e82c09..c6c7c874a 100644
--- a/nuttx/include/nuttx/binfmt/binfmt.h
+++ b/nuttx/include/nuttx/binfmt/binfmt.h
@@ -117,6 +117,12 @@ struct binary_s
#endif
size_t mapsize; /* Size of the mapped address region (needed for munmap) */
+
+ /* Start-up information that is provided by the loader, but may be modified
+ * by the caller between load_module() and exec_module() calls.
+ */
+
+ uint8_t priority; /* Task execution priority */
size_t stacksize; /* Size of the stack in bytes (unallocated) */
};
@@ -221,15 +227,14 @@ int unload_module(FAR const struct binary_s *bin);
*
****************************************************************************/
-int exec_module(FAR const struct binary_s *bin, int priority);
+int exec_module(FAR const struct binary_s *bin);
/****************************************************************************
* Name: exec
*
* Description:
* This is a convenience function that wraps load_ and exec_module into
- * one call. The priority of the executed program is set to be the
- * same as the priority of the calling thread.
+ * one call.
*
* Input Parameter:
* filename - Fulll path to the binary to be loaded