[openfirmware] [commit] r2231 - cpu/x86/pc/biosload

[repository service]

Author: wmb
Date: Thu May 26 11:46:46 2011
New Revision: 2231
URL: http://tracker.coreboot.org/trac/openfirmware/changeset/2231

Log:
BIOSload version - now that callbios no longer kills the IDTR value, install the alarm handler and use hlt when waiting at the prompt, thus greatly reducing virtual CPU usage under emulators.

Modified:
   cpu/x86/pc/biosload/fw.bth

Modified: cpu/x86/pc/biosload/fw.bth
==============================================================================
--- cpu/x86/pc/biosload/fw.bth	Thu May 26 11:39:28 2011	(r2230)
+++ cpu/x86/pc/biosload/fw.bth	Thu May 26 11:46:46 2011	(r2231)
@@ -339,6 +339,11 @@
    [then]
 ;
 
+\ This reduces processor use when waiting for a key.  It helps
+\ a lot when running on an emulator.
+: c1-idle  ( -- )  interrupts-enabled?  if  halt  then  ;
+' c1-idle to stdin-idle
+
 : startup  ( -- )
    standalone?  0=  if  exit  then
    ." calibrate-ms"  cr
@@ -358,7 +363,8 @@
    warning on
    only forth also definitions
 
-\   install-alarm
+   ." Installing alarms" cr
+   install-alarm
 
    #line off