Add qemu 2.4.0

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

1 files changed, 399 insertions, 0 deletions

diff --git a/qemu/roms/u-boot/fs/fs.c b/qemu/roms/u-boot/fs/fs.c
new file mode 100644
index 000000000..79d432d58
--- /dev/null
+++ b/qemu/roms/u-boot/fs/fs.c
@@ -0,0 +1,399 @@
+/*
+ * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <common.h>
+#include <part.h>
+#include <ext4fs.h>
+#include <fat.h>
+#include <fs.h>
+#include <sandboxfs.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static block_dev_desc_t *fs_dev_desc;
+static disk_partition_t fs_partition;
+static int fs_type = FS_TYPE_ANY;
+
+static inline int fs_probe_unsupported(block_dev_desc_t *fs_dev_desc,
+				      disk_partition_t *fs_partition)
+{
+	printf("** Unrecognized filesystem type **\n");
+	return -1;
+}
+
+static inline int fs_ls_unsupported(const char *dirname)
+{
+	return -1;
+}
+
+static inline int fs_exists_unsupported(const char *filename)
+{
+	return 0;
+}
+
+static inline int fs_read_unsupported(const char *filename, void *buf,
+				      int offset, int len)
+{
+	return -1;
+}
+
+static inline int fs_write_unsupported(const char *filename, void *buf,
+				      int offset, int len)
+{
+	return -1;
+}
+
+static inline void fs_close_unsupported(void)
+{
+}
+
+struct fstype_info {
+	int fstype;
+	/*
+	 * Is it legal to pass NULL as .probe()'s  fs_dev_desc parameter? This
+	 * should be false in most cases. For "virtual" filesystems which
+	 * aren't based on a U-Boot block device (e.g. sandbox), this can be
+	 * set to true. This should also be true for the dumm entry at the end
+	 * of fstypes[], since that is essentially a "virtual" (non-existent)
+	 * filesystem.
+	 */
+	bool null_dev_desc_ok;
+	int (*probe)(block_dev_desc_t *fs_dev_desc,
+		     disk_partition_t *fs_partition);
+	int (*ls)(const char *dirname);
+	int (*exists)(const char *filename);
+	int (*read)(const char *filename, void *buf, int offset, int len);
+	int (*write)(const char *filename, void *buf, int offset, int len);
+	void (*close)(void);
+};
+
+static struct fstype_info fstypes[] = {
+#ifdef CONFIG_FS_FAT
+	{
+		.fstype = FS_TYPE_FAT,
+		.null_dev_desc_ok = false,
+		.probe = fat_set_blk_dev,
+		.close = fat_close,
+		.ls = file_fat_ls,
+		.exists = fat_exists,
+		.read = fat_read_file,
+		.write = fs_write_unsupported,
+	},
+#endif
+#ifdef CONFIG_FS_EXT4
+	{
+		.fstype = FS_TYPE_EXT,
+		.null_dev_desc_ok = false,
+		.probe = ext4fs_probe,
+		.close = ext4fs_close,
+		.ls = ext4fs_ls,
+		.exists = ext4fs_exists,
+		.read = ext4_read_file,
+		.write = fs_write_unsupported,
+	},
+#endif
+#ifdef CONFIG_SANDBOX
+	{
+		.fstype = FS_TYPE_SANDBOX,
+		.null_dev_desc_ok = true,
+		.probe = sandbox_fs_set_blk_dev,
+		.close = sandbox_fs_close,
+		.ls = sandbox_fs_ls,
+		.exists = sandbox_fs_exists,
+		.read = fs_read_sandbox,
+		.write = fs_write_sandbox,
+	},
+#endif
+	{
+		.fstype = FS_TYPE_ANY,
+		.null_dev_desc_ok = true,
+		.probe = fs_probe_unsupported,
+		.close = fs_close_unsupported,
+		.ls = fs_ls_unsupported,
+		.exists = fs_exists_unsupported,
+		.read = fs_read_unsupported,
+		.write = fs_write_unsupported,
+	},
+};
+
+static struct fstype_info *fs_get_info(int fstype)
+{
+	struct fstype_info *info;
+	int i;
+
+	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes) - 1; i++, info++) {
+		if (fstype == info->fstype)
+			return info;
+	}
+
+	/* Return the 'unsupported' sentinel */
+	return info;
+}
+
+int fs_set_blk_dev(const char *ifname, const char *dev_part_str, int fstype)
+{
+	struct fstype_info *info;
+	int part, i;
+#ifdef CONFIG_NEEDS_MANUAL_RELOC
+	static int relocated;
+
+	if (!relocated) {
+		for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes);
+				i++, info++) {
+			info->probe += gd->reloc_off;
+			info->close += gd->reloc_off;
+			info->ls += gd->reloc_off;
+			info->read += gd->reloc_off;
+			info->write += gd->reloc_off;
+		}
+		relocated = 1;
+	}
+#endif
+
+	part = get_device_and_partition(ifname, dev_part_str, &fs_dev_desc,
+					&fs_partition, 1);
+	if (part < 0)
+		return -1;
+
+	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); i++, info++) {
+		if (fstype != FS_TYPE_ANY && info->fstype != FS_TYPE_ANY &&
+				fstype != info->fstype)
+			continue;
+
+		if (!fs_dev_desc && !info->null_dev_desc_ok)
+			continue;
+
+		if (!info->probe(fs_dev_desc, &fs_partition)) {
+			fs_type = info->fstype;
+			return 0;
+		}
+	}
+
+	return -1;
+}
+
+static void fs_close(void)
+{
+	struct fstype_info *info = fs_get_info(fs_type);
+
+	info->close();
+
+	fs_type = FS_TYPE_ANY;
+}
+
+int fs_ls(const char *dirname)
+{
+	int ret;
+
+	struct fstype_info *info = fs_get_info(fs_type);
+
+	ret = info->ls(dirname);
+
+	fs_type = FS_TYPE_ANY;
+	fs_close();
+
+	return ret;
+}
+
+int fs_exists(const char *filename)
+{
+	int ret;
+
+	struct fstype_info *info = fs_get_info(fs_type);
+
+	ret = info->exists(filename);
+
+	fs_close();
+
+	return ret;
+}
+
+int fs_read(const char *filename, ulong addr, int offset, int len)
+{
+	struct fstype_info *info = fs_get_info(fs_type);
+	void *buf;
+	int ret;
+
+	/*
+	 * We don't actually know how many bytes are being read, since len==0
+	 * means read the whole file.
+	 */
+	buf = map_sysmem(addr, len);
+	ret = info->read(filename, buf, offset, len);
+	unmap_sysmem(buf);
+
+	/* If we requested a specific number of bytes, check we got it */
+	if (ret >= 0 && len && ret != len) {
+		printf("** Unable to read file %s **\n", filename);
+		ret = -1;
+	}
+	fs_close();
+
+	return ret;
+}
+
+int fs_write(const char *filename, ulong addr, int offset, int len)
+{
+	struct fstype_info *info = fs_get_info(fs_type);
+	void *buf;
+	int ret;
+
+	buf = map_sysmem(addr, len);
+	ret = info->write(filename, buf, offset, len);
+	unmap_sysmem(buf);
+
+	if (ret >= 0 && ret != len) {
+		printf("** Unable to write file %s **\n", filename);
+		ret = -1;
+	}
+	fs_close();
+
+	return ret;
+}
+
+int do_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
+		int fstype)
+{
+	unsigned long addr;
+	const char *addr_str;
+	const char *filename;
+	unsigned long bytes;
+	unsigned long pos;
+	int len_read;
+	unsigned long time;
+
+	if (argc < 2)
+		return CMD_RET_USAGE;
+	if (argc > 7)
+		return CMD_RET_USAGE;
+
+	if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype))
+		return 1;
+
+	if (argc >= 4) {
+		addr = simple_strtoul(argv[3], NULL, 16);
+	} else {
+		addr_str = getenv("loadaddr");
+		if (addr_str != NULL)
+			addr = simple_strtoul(addr_str, NULL, 16);
+		else
+			addr = CONFIG_SYS_LOAD_ADDR;
+	}
+	if (argc >= 5) {
+		filename = argv[4];
+	} else {
+		filename = getenv("bootfile");
+		if (!filename) {
+			puts("** No boot file defined **\n");
+			return 1;
+		}
+	}
+	if (argc >= 6)
+		bytes = simple_strtoul(argv[5], NULL, 16);
+	else
+		bytes = 0;
+	if (argc >= 7)
+		pos = simple_strtoul(argv[6], NULL, 16);
+	else
+		pos = 0;
+
+	time = get_timer(0);
+	len_read = fs_read(filename, addr, pos, bytes);
+	time = get_timer(time);
+	if (len_read <= 0)
+		return 1;
+
+	printf("%d bytes read in %lu ms", len_read, time);
+	if (time > 0) {
+		puts(" (");
+		print_size(len_read / time * 1000, "/s");
+		puts(")");
+	}
+	puts("\n");
+
+	setenv_hex("filesize", len_read);
+
+	return 0;
+}
+
+int do_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
+	int fstype)
+{
+	if (argc < 2)
+		return CMD_RET_USAGE;
+	if (argc > 4)
+		return CMD_RET_USAGE;
+
+	if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype))
+		return 1;
+
+	if (fs_ls(argc >= 4 ? argv[3] : "/"))
+		return 1;
+
+	return 0;
+}
+
+int file_exists(const char *dev_type, const char *dev_part, const char *file,
+		int fstype)
+{
+	if (fs_set_blk_dev(dev_type, dev_part, fstype))
+		return 0;
+
+	return fs_exists(file);
+}
+
+int do_save(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
+		int fstype)
+{
+	unsigned long addr;
+	const char *filename;
+	unsigned long bytes;
+	unsigned long pos;
+	int len;
+	unsigned long time;
+
+	if (argc < 6 || argc > 7)
+		return CMD_RET_USAGE;
+
+	if (fs_set_blk_dev(argv[1], argv[2], fstype))
+		return 1;
+
+	filename = argv[3];
+	addr = simple_strtoul(argv[4], NULL, 16);
+	bytes = simple_strtoul(argv[5], NULL, 16);
+	if (argc >= 7)
+		pos = simple_strtoul(argv[6], NULL, 16);
+	else
+		pos = 0;
+
+	time = get_timer(0);
+	len = fs_write(filename, addr, pos, bytes);
+	time = get_timer(time);
+	if (len <= 0)
+		return 1;
+
+	printf("%d bytes written in %lu ms", len, time);
+	if (time > 0) {
+		puts(" (");
+		print_size(len / time * 1000, "/s");
+		puts(")");
+	}
+	puts("\n");
+
+	return 0;
+}