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
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