Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

1 files changed, 65 insertions, 0 deletions

diff --git a/qemu/roms/openbios/fs/ext2/ext2_open.c b/qemu/roms/openbios/fs/ext2/ext2_open.c
new file mode 100644
index 000000000..03a89bbd0
--- /dev/null
+++ b/qemu/roms/openbios/fs/ext2/ext2_open.c
@@ -0,0 +1,65 @@
+/*
+ *
+ * (c) 2008-2009 Laurent Vivier <Laurent@lvivier.info>
+ *
+ * This file has been copied from EMILE, http://emile.sf.net
+ *
+ */
+
+#include "libext2.h"
+#include "ext2.h"
+#include "ext2_utils.h"
+
+ext2_FILE* ext2_open(ext2_VOLUME *volume, const char* pathname)
+{
+	ext2_FILE *file;
+	struct ext2_inode *inode;
+	int ino;
+	int ret;
+
+	ino = ext2_seek_name(volume, pathname);
+	if (ino == 0)
+		return NULL;
+
+	inode = (struct ext2_inode*)malloc(sizeof(struct ext2_inode));
+	if (inode == NULL)
+		return NULL;
+
+	ret = ext2_get_inode(volume, ino, inode);
+	if (ret == -1) {
+		free(inode);
+		return NULL;
+	}
+	if (S_ISLNK(inode->i_mode)) {
+		static char buffer[1024];
+		int i, last = 0;
+		strcpy(buffer, pathname);
+		for (i = 0; buffer[i]; i++)
+			if (buffer[i] == '\\')
+				last = i;
+		buffer[last] = '\\';
+		strcpy(buffer + last + 1, (char*)inode->i_block);
+		ino = ext2_seek_name((ext2_VOLUME*)volume, buffer);
+		if (ino == 0) {
+			free(inode);
+			return NULL;
+		}
+		ret = ext2_get_inode((ext2_VOLUME*)volume, ino, inode);
+		if (ret == -1) {
+			free(inode);
+			return NULL;
+		}
+	}
+
+	file = (ext2_FILE*)malloc(sizeof(ext2_FILE));
+	if (file == NULL) {
+		free(inode);
+		return NULL;
+	}
+	file->volume = volume;
+	file->inode = inode;
+	file->offset = 0;
+	file->path = strdup(pathname);
+
+	return file;
+}