[VirtLayer] Midterm patches and blog update

[Joel Sherrill]

My experience in the past is that it is accurate enough to see changes. It is more about the relative change that precise numbers.

Gedare Bloom <gedare at rtems.org> wrote:


You ought to test the patch that moves code from score to libcpu with
the tmtests to ensure that none of the timing changes. (Hm, does
pc386/qemu offer accurate tmtest timing results?)

-Gedare

On Wed, Aug 14, 2013 at 1:36 PM, Gedare Bloom <gedare at rtems.org> wrote:
> Please merge the part of the libcpu_i386_midterm.patch that contains
> the relocated code into the score_i386_midterm.patch since the score
> patch will not work right without reimplementing the libcpu part. Make
> the addition of the virtual subdirectory of the libcpu a separate
> patch that includes everything needed for it to work, probably by
> merging it with the virtPok BSP.
>
> Please try to submit the patches directly to the mailing list with
> git-send-email, it is easier to review patches that are emailed
> directly instead of attached. Instructions can be found on the RTEMS
> wiki Git_Users page.
>
> Other notes:
> * avoid two or more blank lines in a row
> * break lines longer than 80 characters
> * don't use "Intel" to specify the i386 type in comments (other x86
> brands should work..)
> * put the extern "C" after include files. "C" files should not need
> it, only header files.
> * Delete "Formerly contained in and extracted from libcpu/i386/cpu.h"
> from interrupts.h header comment. Possibly add comment "Relocated from
> score/cpu/i386"
> * rename files to avoid humpBackNotation. Files in RTEMS are usually
> alllowercase so let us follow the usual way.
> * Remove "Date: XX/YY/ZZZZ" from file comments
> * Replace "Author: Philipp Eppelt" with a copyright statement e.g.
> "Copyright (c) 2013 Philipp Eppelt."
> * "virt_disableInterrupts" and "virt_enableInterrupts" are undefined.
> Also they should be given a proper RTEMS name, e.g.
> _CPU_Virtual_Disable_interrupts() or something.
> * Add your copyright to the virtual/include/rtems/score/interrupts.h.
> You substantially transformed this code and should lay claim to your
> copyright.
>
> -Gedare
>
> On Wed, Jul 31, 2013 at 4:17 PM, Philipp Eppelt
> <philipp.eppelt at mailbox.tu-dresden.de> wrote:
>> Patch for libcpu, introducing CPU models 'native' and 'virtual' and
>> implementing functions removed from score.
>>
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