This matches the description in the datasheet and is required as support for
non-DMA transfers is added.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
---
hw/scsi/esp.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c
index eb6681ca66..4ac299651f 100644
--- a/hw/scsi/esp.c
+++ b/hw/scsi/esp.c
@@ -760,6 +760,12 @@ void esp_reg_write(ESPState *s, uint32_t saddr, uint64_t val)
s->ti_size++;
s->ti_buf[s->ti_wptr++] = val & 0xff;
}
+
+ /* Non-DMA transfers raise an interrupt after every byte */
+ if (s->rregs[ESP_CMD] == CMD_TI) {
+ s->rregs[ESP_RINTR] |= INTR_FC | INTR_BS;
+ esp_raise_irq(s);
+ }
break;
case ESP_CMD:
s->rregs[saddr] = val;
--
2.20.1