diff options
| author | Volker Rümelin <vr_qemu@t-online.de> | 2023-09-17 08:58:13 +0200 |
|---|---|---|
| committer | Patchew Applier <no-reply@patchew.org> | 2023-10-10 12:31:05 +0000 |
| commit | 5bf1a71c5b7b2d1999f65c08b4d82b5dec9f3013 (patch) | |
| tree | 366e78574328491471bc1aca9cc6244ae6746421 /hw/audio/es1370.c | |
| parent | ca98851835645f46eaa5b98bbfb307650b42fc64 (diff) | |
| download | focaccia-qemu-5bf1a71c5b7b2d1999f65c08b4d82b5dec9f3013.tar.gz focaccia-qemu-5bf1a71c5b7b2d1999f65c08b4d82b5dec9f3013.zip | |
hw/audio/es1370: trace lost interrupts
It turns out that there are drivers which assume that interrupts can't be lost. E.g. the AROS sb128 driver is such a driver. Add a lost interrupt tracepoint to debug this kind of issues. Signed-off-by: Volker Rümelin <vr_qemu@t-online.de> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Tested-by: BALATON Zoltan <balaton@eik.bme.hu> Message-Id: <20230917065813.6692-8-vr_qemu@t-online.de>
Diffstat (limited to 'hw/audio/es1370.c')
| -rw-r--r-- | hw/audio/es1370.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/hw/audio/es1370.c b/hw/audio/es1370.c index b47794f786..91c47330ad 100644 --- a/hw/audio/es1370.c +++ b/hw/audio/es1370.c @@ -602,7 +602,7 @@ static uint64_t es1370_read(void *opaque, hwaddr addr, unsigned size) } static void es1370_transfer_audio (ES1370State *s, struct chan *d, int loop_sel, - int max, int *irq) + int max, bool *irq) { uint8_t tmpbuf[4096]; size_t to_transfer; @@ -657,10 +657,13 @@ static void es1370_transfer_audio (ES1370State *s, struct chan *d, int loop_sel, } if (csc_bytes == transferred) { - *irq = 1; + if (*irq) { + trace_es1370_lost_interrupt(index); + } + *irq = true; d->scount = sc | (sc << 16); } else { - *irq = 0; + *irq = false; d->scount = sc | (((csc_bytes - transferred - 1) >> d->shift) << 16); } @@ -688,7 +691,8 @@ static void es1370_transfer_audio (ES1370State *s, struct chan *d, int loop_sel, static void es1370_run_channel (ES1370State *s, size_t chan, int free_or_avail) { uint32_t new_status = s->status; - int max_bytes, irq; + int max_bytes; + bool irq; struct chan *d = &s->chan[chan]; const struct chan_bits *b = &es1370_chan_bits[chan]; @@ -702,6 +706,8 @@ static void es1370_run_channel (ES1370State *s, size_t chan, int free_or_avail) return; } + irq = s->sctl & b->sctl_inten && s->status & b->stat_int; + es1370_transfer_audio (s, d, b->sctl_loopsel, max_bytes, &irq); if (irq) { |