[Bug 1989] New: sparc64: boot stack improvements

[bugzilla-daemon at rtems.org]

https://www.rtems.org/bugzilla/show_bug.cgi?id=1989

           Summary: sparc64: boot stack improvements
           Product: RTEMS
           Version: HEAD
          Platform: sparc64
        OS/Version: RTEMS
            Status: NEW
          Severity: normal
          Priority: P3
         Component: bsps
        AssignedTo: joel.sherrill at oarcorp.com
        ReportedBy: gedare at rtems.org


Created attachment 1396
  --> https://www.rtems.org/bugzilla/attachment.cgi?id=1396
boot stack improvements

The sparc64 boot stack reserves a large amount of space unnecessarily. I have
reworked the boot stack to shrink its size and to co-locate it with the boot
code; linkcmds no longer exports the stack size or location as they are now
fixed in start.S. Additional space is now allotted to the heap (and workspace)
in linkcmds.

I have also eliminated some unused debug code and made some whitespace fixes in
start.S and linkcmds.

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