Add PCI bus probe and enumeration routines.

[netwatch.git] / aseg / counter.c

diff --git a/aseg/counter.c b/aseg/counter.c
index 2b1d6ead45c953b80326be92bd7d8294a4ff62e4..88915dcfabae8e3f00c0e2c180563576aabf9e5c 100644 (file)
--- a/aseg/counter.c
+++ b/aseg/counter.c
@@ -2,9 +2,7 @@
 #include <smram.h>
 #include <video_defines.h>
 #include <minilib.h>
-
-char thestr[512];
-
+#include <smi.h>
 #include "vga-overlay.h"
 
 unsigned int counter = 0;
@@ -12,28 +10,24 @@ unsigned long pcisave;
 unsigned char vgasave;
 
 void pci_dump() {
-       char s[40];
        unsigned long cts;
        static int curdev = 0;  /* 0 if kbd, 1 if mouse */
                
        cts = inl(0x84C);
        
        outl(0x848, 0x0);
-       
+       outl(0x840, 0x0);
        switch(cts&0xF0000)
        {
        case 0x20000:
        {
                unsigned char b;
-               strcpy(s, "READxxxxxxxxxxxxxxxx");
-               tohex(s+4, cts);
                b = inb(cts & 0xFFFF);
-               tohex(s+12, b);
+               dologf("READ: %08x (%02x)", cts, 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;
        }
@@ -41,78 +35,66 @@ void pci_dump() {
        {
                unsigned char b;
                
-               strcpy(s, "WRITxxxxxxxxxxxxxxxx");
                b = *(unsigned char*)0xAFFD0 /* EAX */;
-               tohex(s+4, cts);
-               tohex(s+12, b);
-               dolog(s);
+               dologf("WRITE: %08x (%02x)", cts, b);
                outb(cts & 0xFFFF, b);
                break;
        }
        default:
                dolog("Unhandled PCI cycle");
        }
+       
+       outl(0x848, 0x1000);
+       outl(0x840, 0x0100);
+}
+
+void timer_handler(smi_event_t ev)
+{
+       static unsigned int ticks = 0;
+       
+       smi_disable_event(SMI_EVENT_FAST_TIMER);
+       smi_enable_event(SMI_EVENT_FAST_TIMER);
+       
+       outb(0x80, (ticks++) & 0xFF);
+       
+       outlog();
+}
+
+void kbc_handler(smi_event_t ev)
+{
+       pci_dump();
+}
+
+void gbl_rls_handler(smi_event_t ev)
+{
+       unsigned long ecx;
+       
+       ecx = *(unsigned long*)0xAFFD4;
+       dologf("ECX was %08x", ecx);
+       *(unsigned long*)0xAFFD4 = 0x2BADD00D;
 }
 
-void __start (void)
+void smi_entry(void)
 {
-       static int first = 1;
+       char statstr[512];
        
        pcisave = inl(0xCF8);
        vgasave = inb(0x3D4);
        
-       if (first)
-       {
-               first = 0;
-               dolog("NetWatch running...");
-       }
-
        counter++;
-       outb(0x80, (counter & 0xFF));
+       sprintf(statstr, "15-412! %08x %08x", smi_status(), counter);
+       strblit(statstr, 0, 0);
        
-       strcpy(thestr, "15-412! xxxxxxxx xxxxxxxx");
-       tohex(thestr + 8, inl(0x0834));
-       tohex(thestr + 17, counter);
-       strblit(thestr, 0, 0);
-       
-       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))
-       {
-               char s[40];
-               strcpy(s, "Unknown: xxxxxxxx");
-               tohex(s + 9, inl(0x834) & ~(0x140));
-               dolog(s);
-       }
-
 
-       outlog();
+       smi_poll();
        
        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);
-       
 }