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esp.c: convert esp_reg_write() 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: <20240112125420.514425-45-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 12:53:36 +00:00
parent 83e803decd
commit df91fd4ecd
1 changed files with 1 additions and 1 deletions
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2
hw/scsi/esp.c
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@ -1207,7 +1207,7 @@ void esp_reg_write(ESPState *s, uint32_t saddr, uint64_t val)
s->rregs[ESP_RSTAT] &= ~STAT_TC;
break;
case ESP_FIFO:
if (s->do_cmd) {
if (esp_get_phase(s) == STAT_MO || esp_get_phase(s) == STAT_CD) {
if (!fifo8_is_full(&s->fifo)) {
esp_fifo_push(&s->fifo, val);
esp_fifo_push(&s->cmdfifo, fifo8_pop(&s->fifo));