@@ -515,6 +515,7 @@ static void pmu_update(PMUState *s)
{
MOS6522PMUState *mps = &s->mos6522_pmu;
MOS6522State *ms = MOS6522(mps);
+ ADBBusState *adb_bus = &s->adb_bus;
/* Only react to changes in reg B */
if (ms->b == s->last_b) {
@@ -576,6 +577,7 @@ static void pmu_update(PMUState *s)
s->cmd_rsp_pos = 0;
s->cmd_state = pmu_state_cmd;
+ adb_autopoll_block(adb_bus);
trace_pmu_debug_protocol_cmd(s->cmd, s->cmdlen, s->rsplen);
break;
@@ -634,6 +636,7 @@ static void pmu_update(PMUState *s)
if (s->cmd_state == pmu_state_rsp && s->rsplen == s->cmd_rsp_pos) {
trace_pmu_debug_protocol_cmd_resp_complete(ms->ier);
+ adb_autopoll_unblock(adb_bus);
s->cmd_state = pmu_state_idle;
}
}
Ensure that the PMU buffer is protected from autopoll requests overwriting its contents whilst existing PMU requests are in progress. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> --- hw/misc/macio/pmu.c | 3 +++ 1 file changed, 3 insertions(+)