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From: Marius Strobl <marius@FreeBSD.org>
Date: Sat, 30 Aug 2008 16:03:22 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/boot/sparc64/loader main.c
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marius      2008-08-30 16:03:22 UTC

  FreeBSD src repository

  Modified files:
    sys/boot/sparc64/loader main.c 
  Log:
  SVN rev 182478 on 2008-08-30 16:03:22Z by marius
  
  - Read ASI_{D,I}TLB_DATA_ACCESS_REG twice in order to work around
    errata of USIII and beyond (USIII erratum #19, USIII+ erratum #1,
    USIIIi erratum #1).
  - Use the cheetah PA mask in {d,i}tlb_va_to_pa_sun4u() for USIII
    and beyond. This is done so that these functions will still mask
    the debug bits of spitfire-class CPUs once we increase TD_PA_BITS
    to match the number of bits used for the PA by cheetah-class CPUs.
  - Change {d,i}tlb_enter_sun4u() to also set TLB_CTX_KERNEL as the
    context of the mappings entered. This is more or less cosmetic as
    TLB_CTX_KERNEL is 0.
  - Now that we have to distinguish between different sun4u CPUs in
    the loader anyway, no longer do trial and error when reading the
    portid property.
  
  Revision  Changes    Path
  1.35      +60 -21    src/sys/boot/sparc64/loader/main.c