diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/console_simple.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/common/console_simple.c b/common/console_simple.c index 5a80f76242..7695e05ecb 100644 --- a/common/console_simple.c +++ b/common/console_simple.c @@ -1,6 +1,7 @@ #include <config.h> #include <common.h> #include <fs.h> +#include <errno.h> static struct console_device *console; @@ -56,6 +57,9 @@ EXPORT_SYMBOL(console_puts); void console_putc(unsigned int ch, char c) { + if (!console) + return; + console->putc(console, c); if (c == '\n') console->putc(console, '\r'); @@ -88,16 +92,28 @@ EXPORT_SYMBOL(fputs); int tstc(void) { + if (!console) + return 0; + return console->tstc(console); } EXPORT_SYMBOL(tstc); int getc(void) { + if (!console) + return -EINVAL; return console->getc(console); } EXPORT_SYMBOL(getc); +void console_flush(void) +{ + if (console && console->flush) + console->flush(console); +} +EXPORT_SYMBOL(console_flush); + #ifndef ARCH_HAS_CTRLC /* test if ctrl-c was pressed */ int ctrlc (void) |