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esp.c: move CMD_TI end of message phase detection to esp_do_dma() and do_dma_pdma_cb()

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The existing check for TC == 0 is only valid during a TI command.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: Helge Deller <deller@gmx.de>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20240112125420.514425-51-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
This commit is contained in:
Mark Cave-Ayland 2024-01-12 12:53:42 +00:00
parent 3ee9a475a5
commit 3fd325a2de
1 changed files with 18 additions and 14 deletions
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32
hw/scsi/esp.c
View file

@ -555,14 +555,16 @@ static void do_dma_pdma_cb(ESPState *s)
} }
} }
break; break;
}
/* ATN remains asserted until TC == 0 */ case CMD_TI | CMD_DMA:
if (esp_get_tc(s) == 0) { /* ATN remains asserted until TC == 0 */
esp_set_phase(s, STAT_CD); if (esp_get_tc(s) == 0) {
s->rregs[ESP_RSEQ] = SEQ_CD; esp_set_phase(s, STAT_CD);
s->rregs[ESP_RINTR] |= INTR_BS; s->rregs[ESP_RSEQ] = SEQ_CD;
esp_raise_irq(s); s->rregs[ESP_RINTR] |= INTR_BS;
esp_raise_irq(s);
}
break;
} }
break; break;
@ -675,14 +677,16 @@ static void esp_do_dma(ESPState *s)
} }
} }
break; break;
}
/* ATN remains asserted until TC == 0 */ case CMD_TI | CMD_DMA:
if (esp_get_tc(s) == 0) { /* ATN remains asserted until TC == 0 */
esp_set_phase(s, STAT_CD); if (esp_get_tc(s) == 0) {
s->rregs[ESP_RSEQ] = SEQ_CD; esp_set_phase(s, STAT_CD);
s->rregs[ESP_RINTR] |= INTR_BS; s->rregs[ESP_RSEQ] = SEQ_CD;
esp_raise_irq(s); s->rregs[ESP_RINTR] |= INTR_BS;
esp_raise_irq(s);
}
break;
} }
break; break;