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esp.c: convert esp_do_nodma() do_cmd path to check for SCSI phase instead

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Currently do_cmd is used to determine whether MESSAGE OUT and COMMAND phase data
is being accumulated in cmdfifo. Update esp_do_dma() to check directly for these
two SCSI phases instead.

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: <20240112125420.514425-44-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 12:53:35 +00:00
parent e8c84b1973
commit 83e803decd
1 changed files with 4 additions and 4 deletions
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8
hw/scsi/esp.c
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@ -787,7 +787,9 @@ static void esp_do_nodma(ESPState *s)
uint32_t cmdlen;
int len, n;
if (s->do_cmd) {
switch (esp_get_phase(s)) {
case STAT_MO:
case STAT_CD:
/* Copy FIFO into cmdfifo */
n = esp_fifo_pop_buf(&s->fifo, buf, fifo8_num_used(&s->fifo));
n = MIN(fifo8_num_free(&s->cmdfifo), n);
@ -816,10 +818,8 @@ static void esp_do_nodma(ESPState *s)
s->rregs[ESP_RINTR] |= INTR_BS;
esp_raise_irq(s);
}
return;
}
break;
switch (esp_get_phase(s)) {
case STAT_DO:
if (!s->current_req) {
return;