diff options
| author | Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> | 2011-01-26 12:31:00 +0000 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2011-03-06 18:22:19 +0100 |
| commit | 444dd39b5f226926e8b8a950821e6f48a5da3ccd (patch) | |
| tree | 7d8f723fcab9e8749ebb1d41ce0ce8e23dbfda1f | |
| parent | dcfd08653b8ceab07aed8415aa650254a94a098c (diff) | |
lsi53c895a: Update dnad when skipping MSGOUT bytes
Update not only dbc but also dnad when skipping bytes during the MSGOUT
phase. Previously only dbc was updated which is probably wrong and
could lead to bogus message codes being read.
Tested on Linux and Windows Server 2003.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
| -rw-r--r-- | hw/lsi53c895a.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/hw/lsi53c895a.c b/hw/lsi53c895a.c index 9c761cdb66..84a49928dc 100644 --- a/hw/lsi53c895a.c +++ b/hw/lsi53c895a.c @@ -842,6 +842,13 @@ static uint8_t lsi_get_msgbyte(LSIState *s) return data; } +/* Skip the next n bytes during a MSGOUT phase. */ +static void lsi_skip_msgbytes(LSIState *s, unsigned int n) +{ + s->dnad += n; + s->dbc -= n; +} + static void lsi_do_msgout(LSIState *s) { uint8_t msg; @@ -869,11 +876,11 @@ static void lsi_do_msgout(LSIState *s) switch (msg) { case 1: DPRINTF("SDTR (ignored)\n"); - s->dbc -= 2; + lsi_skip_msgbytes(s, 2); break; case 3: DPRINTF("WDTR (ignored)\n"); - s->dbc -= 1; + lsi_skip_msgbytes(s, 1); break; default: goto bad; |