Split multiboot stuff into a header.

[netwatch.git] / aseg / counter.c

diff --git a/aseg/counter.c b/aseg/counter.c
index 2c82f086316b0209e4476007e681525a7827ac8d..e4b5eae7279b67292ffa6e2f4dd0cf7379007411 100644 (file)
--- a/aseg/counter.c
+++ b/aseg/counter.c
@@ -54,6 +54,49 @@ void dolog(char *s)
        strcpy(logents[3], 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;
 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) & 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(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];
        if (inl(0x834) & ~(0x4160))
        {
                unsigned char s[40];


@@ -87,12 +146,14 @@ void __start (void)
                tohex(s + 9, inl(0x834) & ~(0x140));
                dolog(s);
        }
                tohex(s + 9, inl(0x834) & ~(0x140));
                dolog(s);
        }

-       
+
+

        outlog();
        
        outl(0xCF8, pcisave);
        outb(0x3D4, vgasave);
        
        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);
        outl(0x834, /*0x40*/0xFFFF);    // ack the periodic IRQ
        outb(0x830, (inb(0x830) | 0x2) & ~0x40);
        outb(0x830, inb(0x830) | 0x40);