X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/7e16b8e6b3c3aab2c91d9b54c8953201e111be50..94d78d15691f3e6ac4c4797bb21ffcf8f9cc4a39:/aseg/counter.c

diff --git a/aseg/counter.c b/aseg/counter.c
index 2c82f08..e4b5eae 100644
--- a/aseg/counter.c
+++ b/aseg/counter.c
@@ -54,6 +54,49 @@ void dolog(char *s)
 	strcpy(logents[3], s);
 }
 
+void pci_dump() {
+	unsigned char s[40];
+	unsigned long cts;
+	static int curdev = 0;	/* 0 if kbd, 1 if mouse */
+		
+	cts = inl(0x84C);
+	
+	outl(0x848, 0x0);
+	
+	switch(cts&0xF0000)
+	{
+	case 0x20000:
+	{
+		unsigned char b;
+		strcpy(s, "READxxxxxxxxxxxxxxxx");
+		tohex(s+4, cts);
+		b = inb(cts & 0xFFFF);
+		tohex(s+12, b);
+		if ((cts & 0xFFFF) == 0x64)
+			curdev = (b & 0x20) ? 1 : 0;
+		if ((curdev == 0) && ((cts & 0xFFFF) == 0x60) && (b == 0x01))
+			outb(0xCF9, 0x4);
+		dolog(s);
+		*(unsigned char*)0xAFFD0 /* EAX */ = b;
+		break;
+	}
+	case 0x30000:
+	{
+		unsigned char b;
+		
+		strcpy(s, "WRITxxxxxxxxxxxxxxxx");
+		b = *(unsigned char*)0xAFFD0 /* EAX */;
+		tohex(s+4, cts);
+		tohex(s+12, b);
+		dolog(s);
+		outb(cts & 0xFFFF, b);
+		break;
+	}
+	default:
+		dolog("Unhandled PCI cycle");
+	}
+}
+
 void __start (void)
 {
 	unsigned char smramc;
@@ -78,8 +121,24 @@ void __start (void)
 	
 	if (inl(0x834) & 0x20)
 		dolog("Warning: unhandled APM access");
+	if (inl(0x834) & 0x1000)
+	{
+		if (inl(0x844) & 0x1000)	/* devact_sts */
+		{
+			pci_dump();
+			outl(0x848, 0x1000);
+			outl(0x844, 0x1000);
+		}
+	}
 	if (inl(0x834) & 0x4000)
 		dolog("Long periodic timer");
+	if (inl(0x840) & 0x1000)
+	{
+		dolog("Caught device monitor trap");
+		pci_dump();
+		outl(0x840, 0x1100);
+		outl(0x840, 0x0100);
+	}
 	if (inl(0x834) & ~(0x4160))
 	{
 		unsigned char s[40];
@@ -87,12 +146,14 @@ void __start (void)
 		tohex(s + 9, inl(0x834) & ~(0x140));
 		dolog(s);
 	}
-	
+
+
 	outlog();
 	
 	outl(0xCF8, pcisave);
 	outb(0x3D4, vgasave);
 	
+	outl(0x848, 0x1000);
 	outl(0x834, /*0x40*/0xFFFF);	// ack the periodic IRQ
 	outb(0x830, (inb(0x830) | 0x2) & ~0x40);
 	outb(0x830, inb(0x830) | 0x40);