Changeset 4351

Timestamp:

03/25/07 17:16:12 (6 years ago)

Author:

khali

Message:

isadump: In addr/data-style mode, detect when bit 7 of the address port
is a busy flag, and automatically adjust the range from 256 to 128 bytes
in that case.

Location:

lm-sensors/trunk

Files:

• CHANGES (modified) (1 diff)
• prog/dump/isadump.c (modified) (1 diff)

lm-sensors/trunk/CHANGES

@@ -1 +1 @@
 lm_sensors CHANGES file
 -----------------------
+
+SVN HEAD
+  Program isadump: Detect when address bit 7 is a busy flag
+
 
 2.10.3 (20070319)

lm-sensors/trunk/prog/dump/isadump.c

@@ -294 +294 @@
                         } else {        
                                 outb(i+j, addrreg);
+                                if (i+j == 0 && (inb(addrreg) & 0x80)) {
+                                        /* Bit 7 appears to be a busy flag */
+                                        range = 128;
+                                }
                                 res = inb(datareg);
                         }