From: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Date: Fri, 12 Jan 2024 12:53:10 +0000 (+0000)
Subject: esp.c: don't clear RFLAGS register when DMA is complete
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=942ee6c83fa73e3d6f4b75f382f73b42faaf0559;p=qemu.git

esp.c: don't clear RFLAGS register when DMA is complete

The internal state of the ESP sequencer is not affected when raising an interrupt
to indicate the end of a DMA transfer.

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: <20240112125420.514425-19-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
---

diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c
index a4a1f41a40..5b9c3f1e5e 100644
--- a/hw/scsi/esp.c
+++ b/hw/scsi/esp.c
@@ -546,7 +546,6 @@ static void write_response(ESPState *s)
 static void esp_dma_done(ESPState *s)
 {
     s->rregs[ESP_RINTR] |= INTR_BS;
-    s->rregs[ESP_RFLAGS] = 0;
     esp_raise_irq(s);
 }