pci trap

diff --git a/aseg/counter.c b/aseg/counter.c
index b6bdcf411c1acb255d50656c1676b1a1f6b8a1b9..e4b5eae7279b67292ffa6e2f4dd0cf7379007411 100644 (file)
--- 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;
@@ -82,52 +125,20 @@ void __start (void)
        {
                if (inl(0x844) & 0x1000)        /* devact_sts */
                {
-                       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");
-                       }
+                       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];
@@ -135,7 +146,8 @@ void __start (void)
                tohex(s + 9, inl(0x834) & ~(0x140));
                dolog(s);
        }
-       
+
+
        outlog();
        
        outl(0xCF8, pcisave);