diff mbox series

[2/5] hw/scsi/esp: Work around problem with PIO data read for the NeXT-Cube machine

Message ID 20230930132351.30282-3-huth@tuxfamily.org
State New
Headers show
Series m68k: Instantiate ESP and next-net in the next-cube machine | expand

Commit Message

Thomas Huth Sept. 30, 2023, 1:23 p.m. UTC 
The NeXT-Cube bios uses this mode in its selftest, and without
decreasing the amount of bytes in the fifo here, the selftest
fails.

Signed-off-by: Thomas Huth <huth@tuxfamily.org>
---
 hw/scsi/esp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c
index e52188d022..0d54efe826 100644
--- a/hw/scsi/esp.c
+++ b/hw/scsi/esp.c
@@ -961,7 +961,7 @@  uint64_t esp_reg_read(ESPState *s, uint32_t saddr)
                 (s->rregs[ESP_RSTAT] & STAT_PIO_MASK) == 0) {
             /* Data out.  */
             qemu_log_mask(LOG_UNIMP, "esp: PIO data read not implemented\n");
-            s->rregs[ESP_FIFO] = 0;
+            s->rregs[ESP_FIFO] = esp_fifo_pop(&s->fifo);
         } else {
             if ((s->rregs[ESP_RSTAT] & 0x7) == STAT_DI) {
                 if (s->ti_size) {