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From: "Hervé Poussineau" <hpoussin@reactos.org>
To: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>,
	Artyom Tarasenko <atar4qemu@gmail.com>
Cc: Giancarlo Teodori <gteodori@gmail.com>,
	Thomas Huth <thuth@redhat.com>,
	qemu-devel <qemu-devel@nongnu.org>,
	qemu-ppc@nongnu.org, David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [Qemu-devel] [PATCH 0/6] ppc: add a IBM 40p machine (RS/6000, PReP)
Date: Sat, 14 Jan 2017 14:11:50 +0100	[thread overview]
Message-ID: <24009368-afce-92dd-2cd7-cd4b6629fc05@reactos.org> (raw)
In-Reply-To: <8b07aa89-92fe-1f2d-d392-e1a7e63d75ca@ilande.co.uk>

Le 13/01/2017 à 13:23, Mark Cave-Ayland a écrit :
>>
>> OpenBIOS doesn't support PReP boot partitions (type 0x41) nor PReP
>> kernels so this is a no-go yet.
>
> Just out of interest, is it just the PReP boot partition support that is
> missing from OpenBIOS? If so, that should be fairly easy to implement if
> there's a spec lying around somewhere.

2 things are missing to boot from hard disk/cdrom:
- support for LSI SCSI adapter
- support for PReP boot partition support

However, if you want to boot with -kernel, you only need to have support for PReP boot partition.
Partial specification is available at:
ftp://ftp.software.ibm.com/rs6000/technology/spec/srp1_1.exe
section 5.3 (Loading the Load Image)
and
section 5.4 (Transferring System Control to Load Image)


> It would be great if we could finally remove OHW from QEMU :)

I fully agree on that!

Hervé

  parent reply	other threads:[~2017-01-14 13:12 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-29 22:12 [Qemu-devel] [PATCH 0/6] ppc: add a IBM 40p machine (RS/6000, PReP) Hervé Poussineau
2016-12-29 22:12 ` [Qemu-devel] [PATCH 1/6] pci: add pci_vga_type(), giving the device name of the chosen VGA device Hervé Poussineau
2017-01-02 23:01   ` David Gibson
2017-01-10  3:14     ` Michael S. Tsirkin
2017-01-10 21:00       ` Hervé Poussineau
2016-12-29 22:12 ` [Qemu-devel] [PATCH 2/6] vga: increase priority of 0xa0000 memory region Hervé Poussineau
2017-01-02 23:02   ` David Gibson
2017-01-03 22:37     ` Hervé Poussineau
2017-01-04  0:05       ` David Gibson
2016-12-29 22:12 ` [Qemu-devel] [PATCH 3/6] prep: do not use global variable to access nvram Hervé Poussineau
2017-01-03  3:51   ` David Gibson
2016-12-29 22:12 ` [Qemu-devel] [PATCH 4/6] prep: QOM'ify System I/O Hervé Poussineau
2017-01-02 23:03   ` David Gibson
2017-01-03 22:51     ` Hervé Poussineau
2017-01-03 23:39       ` David Gibson
2017-01-03  4:45   ` David Gibson
2017-01-04 21:17     ` Hervé Poussineau
2017-01-05  0:41       ` David Gibson
2017-01-05 20:57         ` Hervé Poussineau
2016-12-29 22:12 ` [Qemu-devel] [PATCH 5/6] prep: add IBM RS/6000 7020 (40p) memory controller Hervé Poussineau
2017-01-03  4:57   ` David Gibson
2017-01-03 22:55     ` Hervé Poussineau
2017-01-03 23:39       ` David Gibson
2016-12-29 22:12 ` [Qemu-devel] [PATCH 6/6] prep: add IBM RS/6000 7020 (40p) machine emulation Hervé Poussineau
2017-01-03  5:02   ` David Gibson
2017-05-08 20:49   ` Eduardo Habkost
2017-05-08 21:32     ` Hervé Poussineau
2017-01-11 16:58 ` [Qemu-devel] [PATCH 0/6] ppc: add a IBM 40p machine (RS/6000, PReP) Artyom Tarasenko
2017-01-11 23:18   ` David Gibson
2017-01-12 12:57   ` Hervé Poussineau
2017-01-12 13:46     ` Artyom Tarasenko
2017-01-13 12:23     ` Mark Cave-Ayland
2017-01-13 13:26       ` Thomas Huth
2017-01-13 13:30       ` Artyom Tarasenko
2017-01-14 13:11       ` Hervé Poussineau [this message]
2017-01-15 19:23         ` Artyom Tarasenko

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