OpenE2K/qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

esp.c: ensure esp_pdma_write() always calls esp_fifo_push()

Browse Source 
This ensures that esp_update_drq() is called via esp_fifo_push() whenever the
host uses PDMA to transfer data to a SCSI device.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20240324191707.623175-17-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 2024-03-24 19:17:05 +00:00
parent ffa3a5f2be
commit 60c572502c
1 changed files with 4 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
hw/scsi/esp.c
View File

@ -282,14 +282,12 @@ static void esp_pdma_write(ESPState *s, uint8_t val)
{
uint32_t dmalen = esp_get_tc(s);
if (dmalen == 0) {
return;
}
esp_fifo_push(s, val);
dmalen--;
esp_set_tc(s, dmalen);
if (dmalen && s->drq_state) {
dmalen--;
esp_set_tc(s, dmalen);
}
}
static int esp_select(ESPState *s)