[sir_richard] 47678: [HAL]: Implement ISA BUS address translation.

Author: sir_richard
Date: Mon Jun  7 22:59:46 2010
New Revision: 47678

URL: http://svn.reactos.org/svn/reactos?rev=47678&view=rev
Log:
[HAL]: Implement ISA BUS address translation.

Modified:
    trunk/reactos/hal/halx86/generic/legacy/bus/isabus.c

Modified: trunk/reactos/hal/halx86/generic/legacy/bus/isabus.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/hal/halx86/generic/legacy/b...
==============================================================================
--- trunk/reactos/hal/halx86/generic/legacy/bus/isabus.c [iso-8859-1] (original)
+++ trunk/reactos/hal/halx86/generic/legacy/bus/isabus.c [iso-8859-1] Mon Jun  7 22:59:46 2010
@@ -24,9 +24,28 @@
                            IN OUT PULONG AddressSpace,
                            OUT PPHYSICAL_ADDRESS TranslatedAddress)
 {
-    DPRINT1("ISA Translate\n");
-    while (TRUE);
-    return FALSE;
+    BOOLEAN Status;
+    
+    /* Use system translation */
+    Status = HalpTranslateSystemBusAddress(BusHandler,
+                                           RootHandler,
+                                           BusAddress,
+                                           AddressSpace,
+                                           TranslatedAddress);
+    
+    /* If it didn't work and it was memory address space... */   
+    if (!(Status) && (*AddressSpace == 0))
+    {
+        /* Try EISA translation instead */
+        Status = HalTranslateBusAddress(Eisa,
+                                        BusHandler->BusNumber,
+                                        BusAddress,
+                                        AddressSpace,
+                                        TranslatedAddress);
+    }
+    
+    /* Return the result */
+    return Status;
 }

/* EOF */