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console: Update conio command to show uclass

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When an stdio device is provided by a driver model device, optionally
show the uclass.

Be careful to avoid increasing code size, since this is a common
command.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2025-08-22 04:47:53 -06:00
parent 249bb45cb3
commit ccdb52faf0
2 changed files with 34 additions and 4 deletions
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8
cmd/Kconfig
View File

@@ -175,6 +175,14 @@ config CMD_CONSOLE
help
Print console devices and information.
config CMD_CONSOLE_EXTRA
bool "Show uclass for driver model devices"
default y if SANDBOX
help
Expands the coninfo command to show the uclass for all stdio devices
which are provided by a driver model device. This increase code size
by about 200 bytes.
config CMD_CPU
bool "cpu"
depends on CPU

30
cmd/console.c
View File

@@ -8,9 +8,17 @@
* Boot support
*/
#include <command.h>
#include <dm.h>
#include <iomux.h>
#include <stdio_dev.h>
/* shenangans to avoid code-size increase */
#ifdef CONFIG_CMD_CONSOLE_EXTRA
#define USE_NL ""
#else
#define USE_NL "\n"
#endif
static int do_coninfo(struct cmd_tbl *cmd, int flag, int argc,
char *const argv[])
{
@@ -20,17 +28,32 @@ static int do_coninfo(struct cmd_tbl *cmd, int flag, int argc,
struct stdio_dev *sdev;
/* Scan for valid output and input devices */
puts("List of available devices\n");
puts("List of available devices\n\n");
if (IS_ENABLED(CONFIG_CMD_CONSOLE_EXTRA))
puts("Device File Uclass\n");
list_for_each(pos, list) {
sdev = list_entry(pos, struct stdio_dev, list);
printf("|-- %s (%s%s)\n",
printf("|-- %s (%s%s)" USE_NL,
sdev->name,
(sdev->flags & DEV_FLAGS_INPUT) ? "I" : "",
(sdev->flags & DEV_FLAGS_OUTPUT) ? "O" : "");
if (IS_ENABLED(CONFIG_CMD_CONSOLE_EXTRA) &&
IS_ENABLED(CONFIG_DM_STDIO) &&
(sdev->flags & DEV_FLAGS_DM)) {
struct udevice *dev = sdev->priv;
int len = 0;
len += (sdev->flags & DEV_FLAGS_INPUT) != 0;
len += (sdev->flags & DEV_FLAGS_OUTPUT) != 0;
printf("%*s%s", 20 - len - (int)strlen(sdev->name), "",
dev_get_uclass_name(dev));
}
if (IS_ENABLED(CONFIG_CMD_CONSOLE_EXTRA))
puts("\n");
for (l = 0; l < MAX_FILES; l++) {
if (CONFIG_IS_ENABLED(CONSOLE_MUX)) {
if (iomux_match_device(console_devices[l],
@@ -40,7 +63,6 @@ static int do_coninfo(struct cmd_tbl *cmd, int flag, int argc,
if (stdio_devices[l] == sdev)
printf("| |-- %s\n", stdio_names[l]);
}
}
}
return 0;