diff options
Diffstat (limited to 'hw/char/sclpconsole-lm.c')
| -rw-r--r-- | hw/char/sclpconsole-lm.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/hw/char/sclpconsole-lm.c b/hw/char/sclpconsole-lm.c index 80dd0a9e13..a9f5e62f24 100644 --- a/hw/char/sclpconsole-lm.c +++ b/hw/char/sclpconsole-lm.c @@ -52,7 +52,8 @@ typedef struct SCLPConsoleLM { * event_pending is set when a newline character is encountered * * The maximum command line length is limited by the maximum - * space available in an SCCB + * space available in an SCCB. Line mode console input is sent + * truncated to the guest in case it doesn't fit into the SCCB. */ static int chr_can_read(void *opaque) @@ -61,10 +62,8 @@ static int chr_can_read(void *opaque) if (scon->event.event_pending) { return 0; - } else if (SIZE_CONSOLE_BUFFER - scon->length) { - return 1; } - return 0; + return 1; } static void chr_read(void *opaque, const uint8_t *buf, int size) @@ -78,6 +77,10 @@ static void chr_read(void *opaque, const uint8_t *buf, int size) sclp_service_interrupt(0); return; } + if (scon->length == SIZE_CONSOLE_BUFFER) { + /* Eat the character, but still process CR and LF. */ + return; + } scon->buf[scon->length] = *buf; scon->length += 1; if (scon->echo) { @@ -125,6 +128,7 @@ static int get_console_data(SCLPEvent *event, uint8_t *buf, size_t *size, cons->length = 0; /* data provided and no more data pending */ event->event_pending = false; + qemu_notify_event(); return 0; } |