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author | Masahiro Yamada <yamada.m@jp.panasonic.com> | 2014-11-29 11:01:56 +0300 |
---|---|---|
committer | Simon Glass <sjg@chromium.org> | 2014-12-11 23:18:41 +0300 |
commit | a56642c7baa02ec4f054d630ec4e5e56d8e087da (patch) | |
tree | bc25341e6fb74cdd42ed1ac3ffa6476f9a54084f /test/dm | |
parent | 80d9ef8d40b2aa35c4a3483f5cf3549215187a7c (diff) | |
download | u-boot-a56642c7baa02ec4f054d630ec4e5e56d8e087da.tar.xz |
dm_test: improve the appearance shown by "dm tree" command
The command "dm tree" lists devices in a tree-like format.
This commit makes it look more like what the Unix command "tree"
shows.
=> dm tree
Class Probed Name
----------------------------------------
root [ + ] root_driver
demo [ ] |-- demo_shape_drv
demo [ ] |-- demo_simple_drv
demo [ ] |-- demo_shape_drv
demo [ ] |-- demo_simple_drv
demo [ ] |-- demo_shape_drv
test [ ] |-- test_drv
test [ ] |-- test_drv
test [ ] |-- test_drv
gpio [ ] |-- gpio_sandbox
serial [ ] |-- serial_sandbox
serial [ + ] |-- serial
demo [ ] |-- triangle
demo [ ] |-- square
demo [ ] |-- hexagon
gpio [ ] |-- gpios
spi [ ] |-- spi@0
spi_emul [ ] | `-- flash@0
cros_ec [ + ] `-- cros-ec@0
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Diffstat (limited to 'test/dm')
-rw-r--r-- | test/dm/cmd_dm.c | 103 |
1 files changed, 52 insertions, 51 deletions
diff --git a/test/dm/cmd_dm.c b/test/dm/cmd_dm.c index 26980d209f..79a674efcc 100644 --- a/test/dm/cmd_dm.c +++ b/test/dm/cmd_dm.c @@ -16,17 +16,65 @@ #include <dm/test.h> #include <dm/uclass-internal.h> +static void show_devices(struct udevice *dev, int depth, int last_flag) +{ + int i, is_last; + struct udevice *child; + char class_name[12]; + + /* print the first 11 characters to not break the tree-format. */ + strlcpy(class_name, dev->uclass->uc_drv->name, sizeof(class_name)); + printf(" %-11s [ %c ] ", class_name, + dev->flags & DM_FLAG_ACTIVATED ? '+' : ' '); + + for (i = depth; i >= 0; i--) { + is_last = (last_flag >> i) & 1; + if (i) { + if (is_last) + printf(" "); + else + printf("| "); + } else { + if (is_last) + printf("`-- "); + else + printf("|-- "); + } + } + + printf("%s\n", dev->name); + + list_for_each_entry(child, &dev->child_head, sibling_node) { + is_last = list_is_last(&child->sibling_node, &dev->child_head); + show_devices(child, depth + 1, (last_flag << 1) | is_last); + } +} + +static int do_dm_dump_all(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + struct udevice *root; + + root = dm_root(); + if (root) { + printf(" Class Probed Name\n"); + printf("----------------------------------------\n"); + show_devices(root, -1, 0); + } + + return 0; +} + /** * dm_display_line() - Display information about a single device * * Displays a single line of information with an option prefix * * @dev: Device to display - * @buf: Prefix to display at the start of the line */ -static void dm_display_line(struct udevice *dev, char *buf) +static void dm_display_line(struct udevice *dev) { - printf("%s- %c %s @ %08lx", buf, + printf("- %c %s @ %08lx", dev->flags & DM_FLAG_ACTIVATED ? '*' : ' ', dev->name, (ulong)map_to_sysmem(dev)); if (dev->req_seq != -1) @@ -34,53 +82,6 @@ static void dm_display_line(struct udevice *dev, char *buf) puts("\n"); } -static int display_succ(struct udevice *in, char *buf) -{ - int len; - int ip = 0; - char local[16]; - struct udevice *pos, *n, *prev = NULL; - - dm_display_line(in, buf); - - if (list_empty(&in->child_head)) - return 0; - - len = strlen(buf); - strncpy(local, buf, sizeof(local)); - snprintf(local + len, 2, "|"); - if (len && local[len - 1] == '`') - local[len - 1] = ' '; - - list_for_each_entry_safe(pos, n, &in->child_head, sibling_node) { - if (ip++) - display_succ(prev, local); - prev = pos; - } - - snprintf(local + len, 2, "`"); - display_succ(prev, local); - - return 0; -} - -static int dm_dump(struct udevice *dev) -{ - if (!dev) - return -EINVAL; - return display_succ(dev, ""); -} - -static int do_dm_dump_all(cmd_tbl_t *cmdtp, int flag, int argc, - char * const argv[]) -{ - struct udevice *root; - - root = dm_root(); - printf("ROOT %08lx\n", (ulong)map_to_sysmem(root)); - return dm_dump(root); -} - static int do_dm_dump_uclass(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { @@ -99,7 +100,7 @@ static int do_dm_dump_uclass(cmd_tbl_t *cmdtp, int flag, int argc, if (list_empty(&uc->dev_head)) continue; list_for_each_entry(dev, &uc->dev_head, uclass_node) { - dm_display_line(dev, ""); + dm_display_line(dev); } puts("\n"); } |