From 979977b4305302f444dd61a46f3eb7517a98b3ac Mon Sep 17 00:00:00 2001
From: OBattler <oubattler@gmail.com>
Date: Mon, 28 Aug 2017 22:55:10 +0200
Subject: [PATCH] SIO/PIIX/PIIX3 turbo reset control as well as emulator hard
 reset now also reset the PCI interrupt hold status in addition to the ELCR.

---
 src/pci.c | 19 ++++++++++++++++++-
 src/pci.h |  1 +
 src/sio.c |  2 +-
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/src/pci.c b/src/pci.c
index a51ecd835..547de2efb 100644
--- a/src/pci.c
+++ b/src/pci.c
@@ -282,13 +282,30 @@ void pci_clear_irq(int card, int pci_int)
         }
 }
 
+void pci_reset(void)
+{
+	int i = 0;
+
+	for (i = 0; i < 16; i++)
+	{
+		if (pci_irq_hold[i])
+		{
+			pci_irq_hold[i] = 0;
+
+			picintc(1 << i);
+		}
+	}
+
+	elcr_reset();
+}
+
 void pci_init(int type)
 {
         int c;
 
         PCI = 1;
 
-	elcr_reset();
+	pci_reset();
 
 	io_sethandler(0x04d0, 0x0002, elcr_read, NULL, NULL, elcr_write, NULL, NULL,  NULL);
         
diff --git a/src/pci.h b/src/pci.h
index ece5f0b66..4ef145fd0 100644
--- a/src/pci.h
+++ b/src/pci.h
@@ -11,6 +11,7 @@ void pci_set_irq(int card, int pci_int);
 void pci_ide_clear_irq(int ide_board, int irq);
 void pci_clear_irq(int card, int pci_int);
 int pci_irq_is_level(int irq);
+void pci_reset(void);
 
 #define PCI_REG_COMMAND 0x04
 
diff --git a/src/sio.c b/src/sio.c
index 9f263cf8e..37112936b 100644
--- a/src/sio.c
+++ b/src/sio.c
@@ -173,7 +173,7 @@ void trc_reset(uint8_t val)
 		port_92_reset();
 		keyboard_at_reset();
 
-		elcr_reset();
+		pci_reset();
 	}
 	resetx86();
 }