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esp: only assert INTR_DC interrupt flag if selection fails

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The datasheet sequence tables confirm that when a target selection fails, only
the INTR_DC interrupt flag should be asserted.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Fixes: cf47a41e05 ("esp: latch individual bits in ESP_RINTR register")
Message-Id: <20210518212511.21688-2-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Mark Cave-Ayland 2021-05-18 22:25:10 +01:00 committed by Paolo Bonzini
parent 6e1da3d305
commit cf1a7a9b37
1 changed files with 1 additions and 1 deletions
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2
hw/scsi/esp.c
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@ -213,7 +213,7 @@ static int esp_select(ESPState *s)
if (!s->current_dev) { if (!s->current_dev) {
/* No such drive */ /* No such drive */
s->rregs[ESP_RSTAT] = 0; s->rregs[ESP_RSTAT] = 0;
s->rregs[ESP_RINTR] |= INTR_DC; s->rregs[ESP_RINTR] = INTR_DC;
s->rregs[ESP_RSEQ] = SEQ_0; s->rregs[ESP_RSEQ] = SEQ_0;
esp_raise_irq(s); esp_raise_irq(s);
return -1; return -1;