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[2603:6081:7b00:6400:31da:362:f50e:b4ac]) by smtp.gmail.com with ESMTPSA id bj34-20020a05620a192200b007208dd55183sm1782361qkb.40.2023.01.30.11.31.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Jan 2023 11:31:07 -0800 (PST) Date: Mon, 30 Jan 2023 14:31:05 -0500 From: Tom Rini To: Geert Uytterhoeven Cc: Eero Tamminen , John Paul Adrian Glaubitz , Angelo Dureghello , linux-m68k@lists.linux-m68k.org, Joshua Thompson , Philip Blundell , u-boot@lists.denx.de, Huan Wang Subject: Re: U-Boot support for M68K removal Message-ID: References: <7739d9da9f49f99d156dacf645a311388e9eb628.camel@physik.fu-berlin.de> <6558aca3-63aa-c89c-93fc-a5afe48cbe78@helsinkinet.fi> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="NSgONl4pfoxld3d2" Content-Disposition: inline In-Reply-To: X-Clacks-Overhead: GNU Terry Pratchett Precedence: bulk List-ID: X-Mailing-List: linux-m68k@vger.kernel.org --NSgONl4pfoxld3d2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jan 30, 2023 at 08:10:36PM +0100, Geert Uytterhoeven wrote: > Hi Eero, >=20 > On Mon, Jan 30, 2023 at 8:02 PM Eero Tamminen wrote: > > On 30.1.2023 18.34, Tom Rini wrote: > > > That's great to hear. While I started my life on m68k machines, I nev= er > > > did get Linux up on one. Do the coldfire platforms you have run U-Boot > > > today? If so, are they already supported upstream? One of my biggest > > > concerns about the architecture, in U-Boot, is that I've just not hea= rd > > > of anyone using it in quite some time, and we don't have any emulated > > > platforms either (can it be done in QEMU? We have other plaforms in CI > > > via QEMU) so I worry it's not working. > > > > Qemu supports both m68k and ColdFire nowadays: > > https://www.qemu.org/docs/master/system/target-m68k.html > > > > > > - Eero > > > > PS. For m68k there are also a lot of other emulators that emulate > > specific platforms. > > > > Aranym, 68040 Atari "clone", used a lot by Debian m68k port before Qemu > > got m68k support. > > > > WinAUE, 68000-68040 Amiga emulation. Unlike Aranym or Qemu, this > > emulates also CPU cache. > > > > Hatari, 68000-68040 Atari emulation (based on WinUAE CPU core). > > > > Previous, 68030 NeXT emulator (based on Hatari). >=20 > But none of the platforms listed above boot using U-Boot, which is > what Tom is interested in... >=20 > "qemu-system-m68k -machine help" lists a.o.: >=20 > an5206 Arnewsh 5206 > mcf5208evb MCF5208EVB (default) >=20 > U-Boot still contains include/configs/M5208EVBE.h, but there are no > actual users... >=20 > Angelo: so support for amcore in qemu would be nice ;-) I did a little searching after sending and I see there's been some patches for mcf5208evb and U-Boot, in QEMU but the last message (2019) was that the CPU emulation wasn't quite complete enough. But yes, one way or another, it would be really great to get a virtualized platform in CI to prevent future breakage. --=20 Tom --NSgONl4pfoxld3d2 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEEGjx/cOCPqxcHgJu/FHw5/5Y0tywFAmPYGvUACgkQFHw5/5Y0 tyzB7AwAnWVPtjSEHq5Dlm5bxKRWREl5mS7LjwoTj82c9etodo010r+2G64go5u1 hoMkGdV/K+90nQuybQ3v4liuT8NcXmy0Lg0rcFfeK3fnZzji/gwZsANvJhbgZRNA 32dmg985VpZAIYUEuyVamOiyE7HkY/pQn88CTt7SgKa5QJWQwow/9PtygxHZAQu3 iUReGa+i/BYlSjPItxRMEBPRa4GeEsk+NoQ3AqEMR76ofVnZxm7zGxxYxA3w0egg FX3DUJFoEqDKBBhz1sbQtjLCu/itlT17PhqfW3Lp8zANxwz+yBAY/TrYmuXejHmt tG9C11SSHuVybH7dHZ+AWNjHBMgicA1U4KdGWbwE09p+w3v3O3YJBRUBfsXhFkge ix/nU6PfW00V9zKLaaHrUp6Opfg2wn4PSjJBns1NvqyWoSZqViAZmYcnAzgAJKBa 5YMGLa3lsJ19QJqprzZhHaH9C9CHYobES+A+8HnLibISJ/VHkz60VYB0d/ZgyRBL DYX8qogC =GcYG -----END PGP SIGNATURE----- --NSgONl4pfoxld3d2--