sandbox: Add 'sb' command to access filesystem features

The new 'sb' command is intended to deal with sandbox-specific features
that have no parallel in other archs. This commit adds two sub-commands
to list a directory and read a file from the host filesystem.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@ti.com>

diff --git a/README b/README
index 51eb71b27c5de9015bd7676f79930b6c16fb2a75..42544cead64ef8d45dbd8834de1c36d5f292ed5a 100644 (file)
--- a/README
+++ b/README
@@ -877,6 +877,7 @@ The following options need to be configured:
                CONFIG_CMD_READ         * Read raw data from partition
                CONFIG_CMD_REGINFO      * Register dump
                CONFIG_CMD_RUN            run command in env variable
+               CONFIG_CMD_SANDBOX      * sb command to access sandbox features
                CONFIG_CMD_SAVES        * save S record dump
                CONFIG_CMD_SCSI         * SCSI Support
                CONFIG_CMD_SDRAM        * print SDRAM configuration information

diff --git a/common/Makefile b/common/Makefile
index 54fcc815889c2165d900d89802c8650cea74c188..719fc231b885e067a6165c3f2bbb771b6a4c8da1 100644 (file)
--- a/common/Makefile
+++ b/common/Makefile
@@ -152,6 +152,7 @@ COBJS-$(CONFIG_CMD_PXE) += cmd_pxe.o
 COBJS-$(CONFIG_CMD_READ) += cmd_read.o
 COBJS-$(CONFIG_CMD_REGINFO) += cmd_reginfo.o
 COBJS-$(CONFIG_CMD_REISER) += cmd_reiser.o
+COBJS-$(CONFIG_SANDBOX) += cmd_sandbox.o
 COBJS-$(CONFIG_CMD_SATA) += cmd_sata.o
 COBJS-$(CONFIG_CMD_SF) += cmd_sf.o
 COBJS-$(CONFIG_CMD_SCSI) += cmd_scsi.o

diff --git a/common/cmd_sandbox.c b/common/cmd_sandbox.c
new file mode 100644 (file)
index 0000000..206a486
--- /dev/null
+++ b/common/cmd_sandbox.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2012, Google Inc.
+ *
+ * This program 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 of
+ * the License, or (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <fs.h>
+
+static int do_sandbox_load(cmd_tbl_t *cmdtp, int flag, int argc,
+                          char * const argv[])
+{
+       return do_load(cmdtp, flag, argc, argv, FS_TYPE_SANDBOX, 16);
+}
+
+static int do_sandbox_ls(cmd_tbl_t *cmdtp, int flag, int argc,
+                          char * const argv[])
+{
+       return do_ls(cmdtp, flag, argc, argv, FS_TYPE_SANDBOX);
+}
+
+static cmd_tbl_t cmd_sandbox_sub[] = {
+       U_BOOT_CMD_MKENT(load, 3, 0, do_sandbox_load, "", ""),
+       U_BOOT_CMD_MKENT(ls, 3, 0, do_sandbox_ls, "", ""),
+};
+
+static int do_sandbox(cmd_tbl_t *cmdtp, int flag, int argc,
+                     char * const argv[])
+{
+       cmd_tbl_t *c;
+
+       /* Skip past 'sandbox' */
+       argc--;
+       argv++;
+
+       c = find_cmd_tbl(argv[0], cmd_sandbox_sub,
+                        ARRAY_SIZE(cmd_sandbox_sub));
+
+       if (c)
+               return c->cmd(cmdtp, flag, argc, argv);
+       else
+               return CMD_RET_USAGE;
+}
+
+U_BOOT_CMD(
+       sb,     6,      1,      do_sandbox,
+       "Miscellaneous sandbox commands",
+       "load host <addr> <filename> [<bytes> <offset>]  - load a file from host\n"
+       "sb ls host <filename>      - save a file to host"
+);

diff --git a/include/config_cmd_all.h b/include/config_cmd_all.h
index 2a82e19c78cab87fd6bc2bbb731ed72ceb14fa8a..0930781d83c8bb4e484f41bdf760502614ac3a89 100644 (file)
--- a/include/config_cmd_all.h
+++ b/include/config_cmd_all.h
@@ -76,6 +76,7 @@
 #define CONFIG_CMD_RARP                /* rarpboot support             */
 #define CONFIG_CMD_READ                /* Read data from partition     */
 #define CONFIG_CMD_RUN         /* run command in env variable  */
+#define CONFIG_CMD_SANDBOX     /* sb command to access sandbox features */
 #define CONFIG_CMD_SAVEENV     /* saveenv                      */
 #define CONFIG_CMD_SAVES       /* save S record dump           */
 #define CONFIG_CMD_SCSI                /* SCSI Support                 */