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[Bug 1759338] Re: qemu-system-sparc w/ SS-20 ROM does not add processors

From: Peter Maydell
Subject: [Bug 1759338] Re: qemu-system-sparc w/ SS-20 ROM does not add processors
Date: Fri, 13 Nov 2020 16:34:19 -0000

Reporter said in comment #1 that the bug can be closed, so let's close
it :-)

** Changed in: qemu
       Status: Incomplete => Fix Released

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  qemu-system-sparc w/ SS-20 ROM does not add processors

Status in QEMU:
  Fix Released

Bug description:
  When booting a SPARCstation-20 with the original ROM, qemu does not
  set the number of processors in a way that this ROM can understand it,
  and the ROM always reports only 1 processor installed:

   ~/qemu  /usr/local/bin/qemu-system-sparc -bios ./ss20_v2.25_rom -M SS-20 
-cpu "TI SuperSparc 60" -smp 2 -nographic

  Power-ON Reset

             SMCC SPARCstation 10/20 UP/MP POST version VRV3.45 (09/11/95)

  CPU_#0       TI, TMS390Z50(3.x)       0Mb External cache

  CPU_#1       ******* NOT installed *******
  CPU_#2       ******* NOT installed *******
  CPU_#3       ******* NOT installed *******

      <<< CPU_00000000 on MBus Slot_00000000 >>> IS RUNNING (MID =


  Cpu #0 TI,TMS390Z50 
  Cpu #1 Nothing there 
  Cpu #2 Nothing there 
  Cpu #3 Nothing there 


  SPARCstation 20 (1 X 390Z50), No Keyboard
  ROM Rev. 2.25, 128 MB memory installed, Serial #1193046.
  Ethernet address 52:54:0:12:34:56, Host ID: 72123456.

  (It is necessary use SS-20 since it is the only sun4m model that supports 
512MB RAM, and I can't get Solaris to install on the SS-20 using OpenBIOS.) 

  When booting with OpenBIOS I can't seem to boot any version of Solaris
  though I had heard this did work.  Solaris 8 and 9 do work nicely with
  this ROM, but I am opening this to see if it is possible to fix this
  to allow the original OBP ROM to see multiple processors.

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