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Sun, 22 May 2022 07:43:59 -0700 (PDT) MIME-Version: 1.0 References: <85923658-21e8-417c-3fbc-fe7530bdee18@SDF.ORG> <38094a4-fe1-5787-8f4e-89f5236d026@SDF.ORG> <6bb828d3-8614-29c0-a49-856c24718349@SDF.ORG> <3984f46a-c467-9173-382a-ef3160445f45@SDF.ORG> In-Reply-To: From: Dan Cross Date: Sun, 22 May 2022 10:43:47 -0400 Message-ID: Subject: Re: [9fans] Aarch64 on labs|9legacy? To: 9fans <9fans@9fans.net> Content-Type: multipart/alternative; boundary=000000000000fa363e05df9ac045 Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: a1a5d63c-d9dd-11ec-a725-e4f83fd957dd Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UMDAwYzdmN2Q2NjI2MGJhMy1NYjk4ZTBkNGQ3ZDRjZWYzYzE2NmYy?= =?UTF-8?B?MjI0Pg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> Content-Transfer-Encoding: 7bit List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:Mb98e0d4d7d4cef3c166f2224:1:tu9lM0leBChKJukUwWKVgu_ghficp_WYRmhhmgSXJkg --000000000000fa363e05df9ac045 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Sun, May 22, 2022, 10:37 AM hiro <23hiro@gmail.com> wrote: > why not use millers Rpi kernel instead? Isn't it also including all the > important changes? Correct me if I'm wrong, but Richard's kernel is 32-bit (Aarch32) only, though with the PAE stuff enabled to access more than 4GiB of _physical_ memory. The virtual address space is still limited to 4GiB. - Dan C. On Sunday, May 22, 2022, adr wrote: >> On Sat, 21 May 2022, Dan Cross wrote: >> >>> To answer your original question, no: there is no aarch64 support in >>> either 9legacy or the >>> Bell Labs distribution. >>> >>> - Dan C. >>> >>=20 >> I just ported 7c, 7l and 7a from 9front. I'm adjusting libmach, >> mkfiles, etc. Porting 9front's aarch64 raspberry pi kernel can be >> an oportunity to learn about the kernel design. >>=20 >> adr. > *9fans * / 9fans / see discussions > + participants > + delivery options > Permalink > > ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/T000c7f7d66260ba3-Mb98e0= d4d7d4cef3c166f2224 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription --000000000000fa363e05df9ac045 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
On Sun, May 22, 2022, 10:37 AM hiro <23hiro@gmail.com> wrote:
why not use millers Rpi kernel instead? Isn't = it also including all the important changes?

Correct me if I'm wrong, but = Richard's kernel is 32-bit (Aarch32) only, though with the PAE stuff en= abled to access more than 4GiB of _physical_ memory. The virtual address sp= ace is still limited to 4GiB.

        - Dan C.

On Sunday, May 22, 2022, adr <adr@sdf.org> wrote:
On Sat, 21 May 2022, Dan Cross wrote:
To answer your original question, no: there is no aarch64 support in either= 9legacy or the
Bell Labs distribution.

        - Dan C.

I just ported 7c, 7l and 7a from 9front. I'm adjusting libmach,
mkfiles, etc. Porting 9front's aarch64 raspberry pi kernel can be
an oportunity to learn about the kernel design.

adr.

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