From: Jacob Lifshay <programmerjake@gmail.com>
To: Lauri Kasanen <cand@gmx.com>
Cc: Libre-RISCV General Development <libre-riscv-dev@lists.libre-riscv.org>
Subject: Re: [libre-riscv-dev] LibreSOC - RISCV and POWER dual architecture feasibility
Date: Mon, 16 Mar 2020 00:28:11 -0700
Message-ID: <CAC2bXD6_-zS+AutnriuOPnnJ3sqN1vM=Z94J+mWMqpwrhVCY+w@mail.gmail.com> (raw)
In-Reply-To: <20200316091420.15087a26fab1be3d5fc23953@gmx.com>
On Mon, Mar 16, 2020, 00:13 Lauri Kasanen <cand@gmx.com> wrote:
> On Sun, 15 Mar 2020 12:43:45 -0700
> Jacob Lifshay <programmerjake@gmail.com> wrote:
>
> > Later (for Libre-SOC v2 or v3), it might be a good idea to add support
> for
> > x86 and x86_64 user-mode since the patents for the base ISA will have
> > expired by then. This would help give us an advantage since it would
> allow
> > us to run legacy software.
>
> 486 and 586 patents had expired years ago, and we had Chinese 1 GHz
> implementations of those (vortex86). Now they have 686 models, so I
> take pentium pro patents are also up for use.
>
> x86_64 should become free around 2022 by my estimation.
>
The amd64 spec was first published in august 2000 according to wikipedia,
so that may mean the base ISA patents expire in 2020.
Jacob
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Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <6AC4EFD4-AA30-42C7-855A-CE68A62F107F@gatech.edu>
2020-03-15 3:17 ` Jacob Lifshay
2020-03-15 4:00 ` Luke Kenneth Casson Leighton
2020-03-15 7:59 ` Jacob Lifshay
2020-03-15 11:22 ` Luke Kenneth Casson Leighton
2020-03-15 12:09 ` [libre-riscv-dev] pearpc simulator running Luke Kenneth Casson Leighton
2020-03-15 5:10 ` [libre-riscv-dev] LibreSOC - RISCV and POWER dual architecture feasibility Hendrik Boom
2020-03-15 6:13 ` Jacob Lifshay
2020-03-15 7:18 ` Immanuel, Yehowshua U
2020-03-15 11:20 ` Luke Kenneth Casson Leighton
2020-03-15 18:19 ` Immanuel, Yehowshua U
2020-03-15 18:21 ` Immanuel, Yehowshua U
2020-03-15 18:26 ` Immanuel, Yehowshua U
2020-03-15 19:11 ` Luke Kenneth Casson Leighton
2020-03-15 19:16 ` Immanuel, Yehowshua U
2020-03-15 19:20 ` Immanuel, Yehowshua U
2020-03-15 19:24 ` Luke Kenneth Casson Leighton
2020-03-15 19:25 ` Luke Kenneth Casson Leighton
2020-03-15 19:23 ` Luke Kenneth Casson Leighton
2020-03-15 19:32 ` Immanuel, Yehowshua U
2020-03-15 19:43 ` Jacob Lifshay
2020-03-15 19:52 ` Immanuel, Yehowshua U
2020-03-15 19:57 ` Luke Kenneth Casson Leighton
2020-03-15 20:00 ` Immanuel, Yehowshua U
2020-03-15 20:05 ` Luke Kenneth Casson Leighton
2020-03-15 22:04 ` Staf Verhaegen
2020-03-15 22:10 ` Jacob Lifshay
2020-03-15 22:23 ` Adam Van Ymeren
2020-03-15 22:32 ` Luke Kenneth Casson Leighton
2020-03-16 0:25 ` Immanuel, Yehowshua U
2020-03-15 19:56 ` Luke Kenneth Casson Leighton
2020-03-16 7:14 ` Lauri Kasanen
2020-03-16 7:28 ` Jacob Lifshay [this message]
2020-03-16 8:53 ` Staf Verhaegen
2020-03-16 9:27 ` Lauri Kasanen
2020-03-16 10:34 ` Luke Kenneth Casson Leighton
2020-03-16 11:00 ` Staf Verhaegen
2020-03-15 19:51 ` Luke Kenneth Casson Leighton
2020-03-15 19:37 ` Immanuel, Yehowshua U
2020-03-15 19:07 ` Luke Kenneth Casson Leighton
2020-03-15 16:57 ` Hendrik Boom
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