This is the mail archive of the ecos-patches@sources.redhat.com mailing list for the eCos project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

JFFS2 support for RedBoot.


RedBoot> mount -t jffs2 -f jffs2
Mount jffs2 file system succeeded
RedBoot> load /hello
Using default protocol (file)
Entry point: 0x00100000, address range: 0x00010000-0x0010c94c
RedBoot> go
Hello World
Program completed with status 90
RedBoot>



-- 
dwmw2
--- redboot/current/ChangeLog.orig	2003-11-27 15:10:36.000000000 +0000
+++ redboot/current/ChangeLog	2003-11-27 15:15:08.000000000 +0000
@@ -1,3 +1,9 @@
+2003-11-27  David Woodhouse  <dwmw2@redhat.com>
+
+	* cdl/redboot.cdl, fs/fileio.c, include/fs/fileio.h, src/load.c: 
+	Support for mounting and loading files from fileio file systems
+	such as JFFS2.
+
 2003-11-25  John Dallaway  <jld@ecoscentric.com>
 
 	* src/fconfig.c (load_flash_config):
--- redboot/current/cdl/redboot.cdl.orig	2003-11-27 15:07:46.000000000 +0000
+++ redboot/current/cdl/redboot.cdl	2003-11-27 15:07:40.000000000 +0000
@@ -839,6 +839,17 @@
             }
         }
     
+        cdl_component CYGPKG_REDBOOT_FILEIO {
+            display       "Allow RedBoot to support fileio"
+            flavor        bool
+            default_value 1
+            active_if     CYGPKG_IO_FILEIO
+            description   "
+              If this option is enabled then RedBoot will provide commands
+              to load files from fileio file systems such as JFFS2."
+            compile -library=libextras.a fs/fileio.c
+        }
+
         cdl_component CYGPKG_REDBOOT_DISK {
             display       "Allow RedBoot to support disks"
             flavor        bool
--- redboot/current/src/load.c.orig	2003-11-19 10:37:59.000000000 +0000
+++ redboot/current/src/load.c	2003-11-27 15:14:15.000000000 +0000
@@ -61,6 +61,9 @@
 #ifdef CYGPKG_REDBOOT_DISK
 #include <fs/disk.h>
 #endif
+#ifdef CYGPKG_REDBOOT_FILEIO
+#include <fs/fileio.h>
+#endif
 #ifdef CYGPKG_REDBOOT_NETWORKING
 #ifdef CYGSEM_REDBOOT_NET_TFTP_DOWNLOAD
 #include <net/tftp_support.h>
@@ -694,6 +697,12 @@
         io = &http_io;
 #endif
 #endif
+#ifdef CYGPKG_REDBOOT_FILEIO
+	if (fileio_mounted) {
+	    which = "file";
+	    io = &fileio_io;
+	}
+#endif
         if (!io) {
 #ifdef CYGBLD_BUILD_REDBOOT_WITH_XYZMODEM
             which = "Xmodem";
--- redboot/current/src/fs/fileio.c.orig	2003-11-27 15:08:25.000000000 +0000
+++ redboot/current/src/fs/fileio.c	2003-11-27 15:11:41.000000000 +0000
@@ -0,0 +1,222 @@
+//==========================================================================
+//
+//      fileio.c
+//
+//      RedBoot fileio support
+//
+//==========================================================================
+//####ECOSGPLCOPYRIGHTBEGIN####
+// -------------------------------------------
+// This file is part of eCos, the Embedded Configurable Operating System.
+// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
+// Copyright (C) 2002 Gary Thomas
+//
+// eCos is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 2 or (at your option) any later version.
+//
+// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+// for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with eCos; if not, write to the Free Software Foundation, Inc.,
+// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+//
+// As a special exception, if other files instantiate templates or use macros
+// or inline functions from this file, or you compile this file and link it
+// with other works to produce a work based on this file, this file does not
+// by itself cause the resulting work to be covered by the GNU General Public
+// License. However the source code for this file must still be made available
+// in accordance with section (3) of the GNU General Public License.
+//
+// This exception does not invalidate any other reasons why a work based on
+// this file might be covered by the GNU General Public License.
+//
+// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
+// at http://sources.redhat.com/ecos/ecos-license/
+// -------------------------------------------
+//####ECOSGPLCOPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    dwmw2, msalter
+// Date:         2003-11-27
+// Purpose:      
+// Description:  
+//              
+// This code is part of RedBoot (tm).
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+// Shoot me. But I don't want struct timeval because redboot provides it.
+#define _POSIX_SOURCE
+#include <time.h>
+#undef _POSIX_SOURCE
+
+#include <redboot.h>
+#include <errno.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+#include <cyg/io/io.h>
+#include <cyg/io/flash.h>
+#include <cyg/io/config_keys.h>
+#include <cyg/fileio/fileio.h>
+
+static void do_mount(int argc, char *argv[]);
+static void do_umount(int argc, char *argv[]);
+
+#ifdef CYGPKG_IO_FLASH_BLOCK_DEVICE
+#define FLASHPART "[-f <partition>] "
+#else
+#define FLASHPART
+#endif
+
+RedBoot_cmd("mount", 
+            "Mount file system",
+	    FLASHPART "[-d <device>] -t fstype",
+            do_mount
+    );
+RedBoot_cmd("umount", 
+            "Unmount file system",
+            "",
+            do_umount
+    );
+
+int fileio_mounted = 0;
+
+// List disk partitions
+static void
+do_mount(int argc, char *argv[])
+{
+	char *part_str, *dev_str, *type_str;
+	bool part_set = false, dev_set = false, type_set = false;
+	struct option_info opts[3];
+	int err, num_opts = 2;
+
+	init_opts(&opts[0], 'd', true, OPTION_ARG_TYPE_STR,
+		  (void *)&dev_str, &dev_set, "device");
+	init_opts(&opts[1], 't', true, OPTION_ARG_TYPE_STR,
+		  (void *)&type_str, &type_set, "fstype");
+#ifdef CYGPKG_IO_FLASH_BLOCK_DEVICE
+	init_opts(&opts[2], 'f', true, OPTION_ARG_TYPE_STR,
+		  (void *)&part_str, &part_set, "partition");
+	num_opts++;
+#endif
+
+	if (!scan_opts(argc, argv, 1, opts, num_opts, NULL, 0, NULL))
+		return;
+
+	if (!type_set) {
+		diag_printf("Must specify file system type\n");
+		return;
+	}
+	if (fileio_mounted) {
+		diag_printf("A file system is already mounted\n");
+		return;
+	}
+#ifdef CYGPKG_IO_FLASH_BLOCK_DEVICE
+	if (part_set) {
+		int len;
+		cyg_io_handle_t h;
+
+		if (dev_set && strcmp(dev_str, CYGDAT_IO_FLASH_BLOCK_DEVICE_NAME_1)) {
+			diag_printf("May only set one of <device> or <partition>\n");
+			return;
+		}
+
+		dev_str = CYGDAT_IO_FLASH_BLOCK_DEVICE_NAME_1;
+		len = strlen(part_str);
+
+		err = cyg_io_lookup( dev_str, &h );
+		if (err < 0) {
+			diag_printf("cyg_io_lookup of \"%s\" returned %d\n", err);
+			return;
+		}
+		err = cyg_io_set_config( h, CYG_IO_SET_CONFIG_FLASH_FIS_NAME,
+					 part_str, &len );
+		if (err < 0) {
+			diag_printf("FIS partition \"%s\" not found\n",
+				    part_str);
+			return;
+		}
+	}
+#endif
+	err = mount(dev_str, "/", type_str);
+
+	if (err) {
+		diag_printf("Mount failed %d\n", err);
+	} else {
+		diag_printf("Mount %s file system succeeded\n", type_str);
+		fileio_mounted = 1;
+	}
+}
+
+static void
+do_umount(int argc, char *argv[])
+{
+	if (argc > 1) {
+		diag_printf("Bogus argc %d\n", argc);
+	}
+	if (!fileio_mounted) {
+		diag_printf("No file system mounted\n");
+		return;
+	}
+	umount ("/");
+	fileio_mounted = 0;
+}
+
+static int fd;
+
+externC int 
+fileio_stream_open(connection_info_t *info, int *err)
+{
+    char *filename = info->filename;
+
+    fd = open(filename, O_RDONLY);
+    if (fd < 0) {
+	    diag_printf("Open failed, error %d\n", errno);
+	    return -1;
+    }
+    return 0;
+}
+
+externC int 
+fileio_stream_read(char *buf, int size, int *err)
+{
+    int nread;
+
+    if ((nread = read (fd, buf, size)) < 0) {
+	    *err = errno;
+	    return -1;
+    }
+    return nread;
+}
+
+externC void
+fileio_stream_close(int *err)
+{
+	close(fd);
+}
+
+externC char *
+fileio_error(int err)
+{
+	static char myerr[10];
+
+	diag_sprintf(myerr, "error %d\n", err);
+	return myerr;
+}
+
+//
+// RedBoot interface
+//
+GETC_IO_FUNCS(fileio_io, fileio_stream_open, fileio_stream_close,
+              0, fileio_stream_read, fileio_error);
+RedBoot_load(file, fileio_io, true, true, 0);
+
--- redboot/current/include/fs/fileio.h.orig	2003-11-27 15:08:12.000000000 +0000
+++ redboot/current/include/fs/fileio.h	2003-11-27 14:48:32.000000000 +0000
@@ -0,0 +1,61 @@
+//==========================================================================
+//
+//      fileio.h
+//
+//      Fileio subsystem support for RedBoot
+//
+//==========================================================================
+//####ECOSGPLCOPYRIGHTBEGIN####
+// -------------------------------------------
+// This file is part of eCos, the Embedded Configurable Operating System.
+// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Red Hat, Inc.
+//
+// eCos is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free
+// Software Foundation; either version 2 or (at your option) any later version.
+//
+// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+// for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with eCos; if not, write to the Free Software Foundation, Inc.,
+// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+//
+// As a special exception, if other files instantiate templates or use macros
+// or inline functions from this file, or you compile this file and link it
+// with other works to produce a work based on this file, this file does not
+// by itself cause the resulting work to be covered by the GNU General Public
+// License. However the source code for this file must still be made available
+// in accordance with section (3) of the GNU General Public License.
+//
+// This exception does not invalidate any other reasons why a work based on
+// this file might be covered by the GNU General Public License.
+//
+// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
+// at http://sources.redhat.com/ecos/ecos-license/
+// -------------------------------------------
+//####ECOSGPLCOPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    dwmw2
+// Contributors: dwmw2
+// Date:         2003-11-24
+// Purpose:      
+// Description:  
+//              
+// This code is part of RedBoot (tm).
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#ifndef CYGONCE_REDBOOT_FILEIO_H
+#define CYGONCE_REDBOOT_FILEIO_H
+
+extern getc_io_funcs_t fileio_io;
+extern int fileio_mounted;
+
+#endif // CYGONCE_REDBOOT_FILEIO_H

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]