Re: Hard 64 bit. Will 32 bit still run in a VM?

Subject	Re: Hard 64 bit. Will 32 bit still run in a VM?
Newsgroups	comp.sys.mac.system
References	(11 earlier) <pan$b4acd$34851632$62b03956$c9d28a50@there.was> <XnsA8F469AD1552Bauricauricauricauric@85.214.115.223> <010620181411117117%nospam@nospam.invalid> <9dgQC.180134$IF4.166102@fx14.iad> <010620181435445520%nospam@nospam.invalid>
From	JF Mezei <jfmezei.spamnot@vaxination.ca>
Message-ID	<aViQC.293700$br4.169686@fx34.iad> (permalink)
Date	2018-06-01 17:29 -0400

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On 2018-06-01 14:35, nospam wrote:

> <https://www.os2world.com/wiki/index.php/Connectix_Virtual_PC>
>   Connectix Virtual PC (renamed Microsoft Virtual PC) is a
>   virtualization suite for Microsoft Windows operating systems, and an
>   emulation suite for Mac OS X on PowerPC-based systems.

This page is more recent than the 1990s.  the 8086 didn't support OS
virtualization until 2006.

https://en.wikipedia.org/wiki/X86_virtualization
##
In the late 1990s x86 virtualization was achieved by complex software
techniques, necessary to compensate for the processor's lack of
virtualization support while attaining reasonable performance. In 2006,
both Intel (VT-x) and AMD (AMD-V) introduced limited hardware
virtualization support that allowed simpler virtualization software but
offered very few speed benefits.[1] Greater hardware support, which
allowed substantial speed improvements, came with later processor models.
##

VMware was started in 1998 and launched in 1999.

If the guest OS can't be allowed to manipulate the hardwre's virtual
memory, then the host application needs to trap any of its attempts to
play with virtual memory page table. Note that just because the gues OS
runs the same instruction set doesn't rule out "emulation". If you need
to "approve" every instruction so you can trap and handle special
instructions, it likely falls in the "emulation" category.

So it all depends on how they did it prior to 2005-2006.

Thread

Hard 64 bit. Will 32 bit still run in a VM? Alan Browne <bitbucket@blackhole.com> - 2018-05-26 11:22 -0400
  Re: Hard 64 bit. Will 32 bit still run in a VM? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-05-26 20:09 -0400
    Re: Hard 64 bit. Will 32 bit still run in a VM? Alan Browne <bitbucket@blackhole.com> - 2018-05-27 11:29 -0400
      Re: Hard 64 bit. Will 32 bit still run in a VM? android <here@there.was> - 2018-05-27 18:03 +0200
        Re: Hard 64 bit. Will 32 bit still run in a VM? Your Name <YourName@YourISP.com> - 2018-05-28 10:35 +1200
          Re: Hard 64 bit. Will 32 bit still run in a VM? nospam <nospam@nospam.invalid> - 2018-05-27 18:57 -0400
          Re: Hard 64 bit. Will 32 bit still run in a VM? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-05-27 19:13 -0400
            Re: Hard 64 bit. Will 32 bit still run in a VM? Your Name <YourName@YourISP.com> - 2018-05-28 14:21 +1200
              Re: Hard 64 bit. Will 32 bit still run in a VM? Wolffan <akwolffan@gmail.com> - 2018-05-27 22:27 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? nospam <nospam@nospam.invalid> - 2018-05-27 22:35 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? Steve Carroll <frelwizzen@gmail.com> - 2018-05-27 20:52 -0700
                Re: Hard 64 bit. Will 32 bit still run in a VM? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-05-28 18:33 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? Barry Margolin <barmar@alum.mit.edu> - 2018-05-27 22:35 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? Alan Browne <bitbucket@blackhole.com> - 2018-05-31 08:49 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? "Snit's dysautonomia http://bit.ly/2Jqpplk" <frelwizzen@gmail.com> - 2018-06-03 04:41 -0700
                Re: Hard 64 bit. Will 32 bit still run in a VM? "Snit's dysautonomia http://bit.ly/2Jqpplk" <frelwizzen@gmail.com> - 2018-06-03 08:20 -0700
                Re: Hard 64 bit. Will 32 bit still run in a VM? Your Name <YourName@YourISP.com> - 2018-05-28 19:30 +1200
                Re: Hard 64 bit. Will 32 bit still run in a VM? Steve Carroll <frelwizzen@gmail.com> - 2018-05-28 05:39 -0700
                Re: Hard 64 bit. Will 32 bit still run in a VM? nospam <nospam@nospam.invalid> - 2018-05-28 09:05 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? Steve Carroll <frelwizzen@gmail.com> - 2018-05-28 07:29 -0700
                Re: Hard 64 bit. Will 32 bit still run in a VM? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-05-28 18:28 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? Steve Carroll <frelwizzen@gmail.com> - 2018-05-28 21:03 -0700
                Re: Hard 64 bit. Will 32 bit still run in a VM? Alan Browne <bitbucket@blackhole.com> - 2018-05-31 08:50 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? Alan Browne <bitbucket@blackhole.com> - 2018-05-31 08:47 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? nospam <nospam@nospam.invalid> - 2018-05-31 10:55 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? Alan Browne <bitbucket@blackhole.com> - 2018-05-31 14:03 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? nospam <nospam@nospam.invalid> - 2018-05-31 15:57 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? android <here@there.was> - 2018-06-01 06:16 +0000
                Re: Hard 64 bit. Will 32 bit still run in a VM? nospam <nospam@nospam.invalid> - 2018-06-01 03:01 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? android <here@there.was> - 2018-06-01 08:17 +0000
                Re: Hard 64 bit. Will 32 bit still run in a VM? Jolly Roger <jollyroger@pobox.com> - 2018-06-01 15:53 +0000
                Re: Hard 64 bit. Will 32 bit still run in a VM? nospam <nospam@nospam.invalid> - 2018-06-01 12:51 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? "Auric__" <not.my.real@email.address> - 2018-06-01 17:23 +0000
                Re: Hard 64 bit. Will 32 bit still run in a VM? nospam <nospam@nospam.invalid> - 2018-06-01 14:11 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-06-01 14:26 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? nospam <nospam@nospam.invalid> - 2018-06-01 14:35 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-06-01 17:29 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? Jolly Roger <jollyroger@pobox.com> - 2018-06-02 15:58 +0000
                Re: Hard 64 bit. Will 32 bit still run in a VM? ANTant@zimage.com (Ant) - 2018-06-02 11:37 -0500
                Re: Hard 64 bit. Will 32 bit still run in a VM? Your Name <YourName@YourISP.com> - 2018-06-03 12:13 +1200
                Re: Hard 64 bit. Will 32 bit still run in a VM? "Snit's dysautonomia http://bit.ly/2Jqpplk" <frelwizzen@gmail.com> - 2018-06-03 05:59 -0700
                Re: Hard 64 bit. Will 32 bit still run in a VM? ANTant@zimage.com (Ant) - 2018-06-03 23:10 -0500
                Re: Hard 64 bit. Will 32 bit still run in a VM? Your Name <YourName@YourISP.com> - 2018-06-04 19:22 +1200
                Re: Hard 64 bit. Will 32 bit still run in a VM? ANTant@zimage.com (Ant) - 2018-06-05 03:39 -0500
                Re: Hard 64 bit. Will 32 bit still run in a VM? Your Name <YourName@YourISP.com> - 2018-06-06 09:29 +1200
                Re: Hard 64 bit. Will 32 bit still run in a VM? Steve Carroll <frelwizzen@gmail.com> - 2018-06-04 02:49 -0700
                Re: Hard 64 bit. Will 32 bit still run in a VM? Steve Carroll <frelwizzen@gmail.com> - 2018-06-04 07:16 -0700
                Re: Hard 64 bit. Will 32 bit still run in a VM? Lewis <g.kreme@gmail.com.dontsendmecopies> - 2018-06-02 01:37 +0000
                Re: Hard 64 bit. Will 32 bit still run in a VM? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-06-02 01:29 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? Your Name <YourName@YourISP.com> - 2018-06-02 19:10 +1200
                Re: Hard 64 bit. Will 32 bit still run in a VM? dempson@actrix.gen.nz (David Empson) - 2018-06-02 23:32 +1200
                Re: Hard 64 bit. Will 32 bit still run in a VM? nospam <nospam@nospam.invalid> - 2018-06-02 09:03 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-06-02 14:34 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? nospam <nospam@nospam.invalid> - 2018-06-02 14:35 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? Lewis <g.kreme@gmail.com.dontsendmecopies> - 2018-06-02 14:31 +0000
                Re: Hard 64 bit. Will 32 bit still run in a VM? Jolly Roger <jollyroger@pobox.com> - 2018-06-02 15:49 +0000
                Re: Hard 64 bit. Will 32 bit still run in a VM? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-06-01 14:23 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? nospam <nospam@nospam.invalid> - 2018-06-01 14:35 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? Alan Browne <bitbucket@blackhole.com> - 2018-06-02 13:47 -0400
                Re: Hard 64 bit. Will 32 bit still run in a VM? Lewis <g.kreme@gmail.com.dontsendmecopies> - 2018-06-05 09:16 +0000
          Re: Hard 64 bit. Will 32 bit still run in a VM? Alan Browne <bitbucket@blackhole.com> - 2018-05-31 08:46 -0400
        Re: Hard 64 bit. Will 32 bit still run in a VM? Steve Carroll <frelwizzen@gmail.com> - 2018-05-27 16:31 -0700
          Re: Hard 64 bit. Will 32 bit still run in a VM? android <here@there.was> - 2018-05-28 06:52 +0200
            Re: Hard 64 bit. Will 32 bit still run in a VM? Steve Carroll <frelwizzen@gmail.com> - 2018-05-27 22:09 -0700

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