#define __CONSOLE_H
#include <stdbool.h>
+#include <stdio_dev.h>
+#include <linux/errno.h>
extern char console_buffer[];
/* common/console.c */
int console_init_f(void); /* Before relocation; uses the serial stuff */
int console_init_r(void); /* After relocation; uses the console stuff */
+int console_start(int file, struct stdio_dev *sdev); /* Start a console device */
+void console_stop(int file, struct stdio_dev *sdev); /* Stop a console device */
int console_assign(int file, const char *devname); /* Assign the console */
int ctrlc(void);
int had_ctrlc(void); /* have we had a Control-C since last clear? */
int confirm_yesno(void); /* 1 if input is "y", "Y", "yes" or "YES" */
/**
+ * console_search_dev() - search for stdio device with given flags and name
+ * @flags: device flags as per input/output/system
+ * @name: device name
+ *
+ * Iterates over registered STDIO devices and match them with given @flags
+ * and @name.
+ *
+ * @return pointer to the &struct stdio_dev if found, or NULL otherwise
+ */
+struct stdio_dev *console_search_dev(int flags, const char *name);
+
+#ifdef CONFIG_CONSOLE_RECORD
+/**
* console_record_init() - set up the console recording buffers
*
* This should be called as soon as malloc() is available so that the maximum
* amount of console output can be recorded.
+ *
+ * @return 0 if OK, -ENOMEM if out of memory
*/
int console_record_init(void);
* console_record_reset_enable() - reset and enable the console buffers
*
* This should be called to enable the console buffer.
+ *
+ * @return 0 (always)
*/
-void console_record_reset_enable(void);
+int console_record_reset_enable(void);
/**
* console_record_readline() - Read a line from the console output
*
* @str: Place to put string
* @maxlen: Maximum length of @str including nul terminator
- * @return length of string returned
+ * @return length of string returned, or -ENOSPC if the console buffer was
+ * overflowed by the output
*/
int console_record_readline(char *str, int maxlen);
int console_record_avail(void);
/**
+ * console_in_puts() - Write a string to the console input buffer
+ *
+ * This writes the given string to the console_in buffer which will then be
+ * returned if a function calls e.g. `getc()`
+ *
+ * @str: the string to write
+ * @return the number of bytes added
+ */
+int console_in_puts(const char *str);
+#else
+static inline int console_record_init(void)
+{
+ /* Always succeed, since it is not enabled */
+
+ return 0;
+}
+
+static inline void console_record_reset(void)
+{
+ /* Nothing to do here */
+}
+
+static inline int console_record_reset_enable(void)
+{
+ /* Cannot enable it as it is not supported */
+ return -ENOSYS;
+}
+
+static inline int console_record_readline(char *str, int maxlen)
+{
+ /* Nothing to read */
+ return 0;
+}
+
+static inline int console_record_avail(void)
+{
+ /* There is never anything available */
+ return 0;
+}
+
+static inline int console_in_puts(const char *str)
+{
+ /* There is never anything written */
+ return 0;
+}
+
+#endif /* !CONFIG_CONSOLE_RECORD */
+
+/**
* console_announce_r() - print a U-Boot console on non-serial consoles
*
* When U-Boot starts up with a display it generally does not announce itself