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authorSimon Glass <sjg@chromium.org>2012-12-26 09:53:35 +0000
committerTom Rini <trini@ti.com>2013-03-04 14:19:56 -0500
commit92ccc96bf3cd6c6a3a9a56e03d5ceb4874735d22 (patch)
tree7dda0f2132ce0b85cb574ca33ac85a9ac5727fd7 /fs
parent62584db191013f13133be0f6702d0c935a7c85a6 (diff)
downloadtalos-obmc-uboot-92ccc96bf3cd6c6a3a9a56e03d5ceb4874735d22.tar.gz
talos-obmc-uboot-92ccc96bf3cd6c6a3a9a56e03d5ceb4874735d22.zip
sandbox: Add host filesystem
This allows reading of files from the host filesystem in sandbox. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/fs.c10
-rw-r--r--fs/sandbox/Makefile47
-rw-r--r--fs/sandbox/sandboxfs.c83
3 files changed, 140 insertions, 0 deletions
diff --git a/fs/fs.c b/fs/fs.c
index 95c882e202..6f5063c3af 100644
--- a/fs/fs.c
+++ b/fs/fs.c
@@ -20,6 +20,7 @@
#include <ext4fs.h>
#include <fat.h>
#include <fs.h>
+#include <sandboxfs.h>
#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -78,6 +79,15 @@ static struct fstype_info fstypes[] = {
.read = ext4_read_file,
},
#endif
+#ifdef CONFIG_SANDBOX
+ {
+ .fstype = FS_TYPE_SANDBOX,
+ .probe = sandbox_fs_set_blk_dev,
+ .close = sandbox_fs_close,
+ .ls = sandbox_fs_ls,
+ .read = fs_read_sandbox,
+ },
+#endif
{
.fstype = FS_TYPE_ANY,
.probe = fs_probe_unsupported,
diff --git a/fs/sandbox/Makefile b/fs/sandbox/Makefile
new file mode 100644
index 0000000000..b3155b004c
--- /dev/null
+++ b/fs/sandbox/Makefile
@@ -0,0 +1,47 @@
+#
+# Copyright (c) 2012, Google Inc.
+#
+# (C) Copyright 2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2003
+# Pavel Bartusek, Sysgo Real-Time Solutions AG, pba@sysgo.de
+#
+# 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 $(TOPDIR)/config.mk
+
+LIB = $(obj)libsandboxfs.o
+
+COBJS-$(CONFIG_SANDBOX) := sandboxfs.o
+
+SRCS := $(COBJS-y:.o=.c)
+OBJS := $(addprefix $(obj),$(AOBJS) $(COBJS-y))
+
+all: $(LIB) $(AOBJS)
+
+$(LIB): $(obj).depend $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/fs/sandbox/sandboxfs.c b/fs/sandbox/sandboxfs.c
new file mode 100644
index 0000000000..02d26ff851
--- /dev/null
+++ b/fs/sandbox/sandboxfs.c
@@ -0,0 +1,83 @@
+/*
+ * 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>
+#include <os.h>
+
+int sandbox_fs_set_blk_dev(block_dev_desc_t *rbdd, disk_partition_t *info)
+{
+ return 0;
+}
+
+long sandbox_fs_read_at(const char *filename, unsigned long pos,
+ void *buffer, unsigned long maxsize)
+{
+ ssize_t size;
+ int fd, ret;
+
+ fd = os_open(filename, OS_O_RDONLY);
+ if (fd < 0)
+ return fd;
+ ret = os_lseek(fd, pos, OS_SEEK_SET);
+ if (ret == -1) {
+ os_close(fd);
+ return ret;
+ }
+ if (!maxsize)
+ maxsize = os_get_filesize(filename);
+ size = os_read(fd, buffer, maxsize);
+ os_close(fd);
+
+ return size;
+}
+
+int sandbox_fs_ls(const char *dirname)
+{
+ struct os_dirent_node *head, *node;
+ int ret;
+
+ ret = os_dirent_ls(dirname, &head);
+ if (ret)
+ return ret;
+
+ for (node = head; node; node = node->next) {
+ printf("%s %10lu %s\n", os_dirent_get_typename(node->type),
+ node->size, node->name);
+ }
+
+ return 0;
+}
+
+void sandbox_fs_close(void)
+{
+}
+
+int fs_read_sandbox(const char *filename, void *buf, int offset, int len)
+{
+ int len_read;
+
+ len_read = sandbox_fs_read_at(filename, offset, buf, len);
+ if (len_read == -1) {
+ printf("** Unable to read file %s **\n", filename);
+ return -1;
+ }
+
+ return len_read;
+}
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