From: John Hodge <tpg@mutabah.net>
Date: Sun, 27 May 2012 10:27:24 +0000 (+0800)
Subject: Modules/UHCI - More verbose interrupt messages (x86_64 debugging)
X-Git-Tag: rel0.15~611^2~65
X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;ds=sidebyside;h=bce1f445f4d3836e12d07591d00537981e75439a;p=tpg%2Facess2.git

Modules/UHCI - More verbose interrupt messages (x86_64 debugging)
---

diff --git a/KernelLand/Modules/USB/Core/usb_devinit.c b/KernelLand/Modules/USB/Core/usb_devinit.c
index 416e2ba0..7eb55f9d 100644
--- a/KernelLand/Modules/USB/Core/usb_devinit.c
+++ b/KernelLand/Modules/USB/Core/usb_devinit.c
@@ -13,7 +13,7 @@
 #include "usb_proto.h"
 #include "usb_lowlevel.h"
 
-#define DUMP_DESCRIPTORS	0
+#define DUMP_DESCRIPTORS	1
 
 // === PROTOTYPES ===
 void	USB_DeviceConnected(tUSBHub *Hub, int Port);
diff --git a/KernelLand/Modules/USB/UHCI/uhci.c b/KernelLand/Modules/USB/UHCI/uhci.c
index 55f33ddd..e57a1c30 100644
--- a/KernelLand/Modules/USB/UHCI/uhci.c
+++ b/KernelLand/Modules/USB/UHCI/uhci.c
@@ -856,6 +856,7 @@ void UHCI_InterruptHandler(int IRQ, void *Ptr)
 	Uint16	status = _InWord(Host, USBSTS);
 	
 	LOG("%p: status = 0x%04x", Ptr, status);
+	
 	// Interrupt-on-completion
 	if( status & 1 )
 	{
@@ -863,6 +864,31 @@ void UHCI_InterruptHandler(int IRQ, void *Ptr)
 		Semaphore_Signal(&gUHCI_InterruptSempahore, 1);
 	}
 
+	// USB Error Interrupt
+	if( status & 2 )
+	{
+		
+	}
+
+	// Resume Detect
+	// - Fired if in suspend state and a USB device sends the RESUME signal
+	if( status & 4 )
+	{
+		
+	}
+
+	// Host System Error
+	if( status & 8 )
+	{
+		
+	}
+
+	// Host Controller Process Error
+	if( status & 0x10 )
+	{
+		Log_Error("UHCI", "Host controller process error on controller %p", Ptr);
+	}
+
 	_OutWord(Host, USBSTS, status);
 }