From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>,
laurent@vivier.eu, qemu-devel@nongnu.org
Subject: Re: [PATCH 03/21] q800: add machine id register
Date: Mon, 3 Jul 2023 09:50:07 +0200 [thread overview]
Message-ID: <b01c1b87-83bf-cbc6-f223-149ca41520d0@linaro.org> (raw)
In-Reply-To: <20230702154838.722809-4-mark.cave-ayland@ilande.co.uk>
On 2/7/23 17:48, Mark Cave-Ayland wrote:
> MacOS reads this address to identify the hardware.
>
> This is a basic implementation returning the ID of Quadra 800.
>
> Details:
>
> http://mess.redump.net/mess/driver_info/mac_technical_notes
>
> "There are 3 ID schemes [...]
> The third and most scalable is a machine ID register at 0x5ffffffc.
> The top word must be 0xa55a to be valid. Then bits 15-11 are 0 for
> consumer Macs, 1 for portables, 2 for high-end 68k, and 3 for high-end
> PowerPC. Bit 10 is 1 if additional ID bits appear elsewhere (e.g. in VIA1).
> The rest of the bits are a per-model identifier.
>
> Model Lower 16 bits of ID
> ...
> Quadra/Centris 610/650/800 0x2BAD"
>
> Co-developed-by: Laurent Vivier <laurent@vivier.eu>
> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
> ---
> hw/m68k/q800.c | 29 +++++++++++++++++++++++++++++
> include/hw/m68k/q800.h | 1 +
> 2 files changed, 30 insertions(+)
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
next prev parent reply other threads:[~2023-07-03 7:50 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-02 15:48 [PATCH 00/21] q800: add support for booting MacOS Classic - part 2 Mark Cave-Ayland
2023-07-02 15:48 ` [PATCH 01/21] q800-glue.c: convert to Resettable interface Mark Cave-Ayland
2023-07-03 7:48 ` Philippe Mathieu-Daudé
2023-07-02 15:48 ` [PATCH 02/21] q800: add djMEMC memory controller Mark Cave-Ayland
2023-07-07 8:17 ` Philippe Mathieu-Daudé
2023-07-02 15:48 ` [PATCH 03/21] q800: add machine id register Mark Cave-Ayland
2023-07-03 7:50 ` Philippe Mathieu-Daudé [this message]
2023-07-02 15:48 ` [PATCH 04/21] q800: implement additional machine id bits on VIA1 port A Mark Cave-Ayland
2023-07-07 8:19 ` Philippe Mathieu-Daudé
2023-07-02 15:48 ` [PATCH 05/21] q800: add IOSB subsystem Mark Cave-Ayland
2023-07-07 8:25 ` Philippe Mathieu-Daudé
2023-09-08 6:50 ` Mark Cave-Ayland
2023-07-02 15:48 ` [PATCH 06/21] q800: allow accesses to RAM area even if less memory is available Mark Cave-Ayland
2023-07-03 7:58 ` Philippe Mathieu-Daudé
2023-07-05 7:55 ` Laurent Vivier
2023-07-02 15:48 ` [PATCH 07/21] audio: add Apple Sound Chip (ASC) emulation Mark Cave-Ayland
2023-07-06 19:58 ` Volker Rümelin
2023-07-02 15:48 ` [PATCH 08/21] asc: generate silence if FIFO empty but engine still running Mark Cave-Ayland
2023-07-07 6:24 ` Volker Rümelin
2023-07-10 6:50 ` Mark Cave-Ayland
2023-07-02 15:48 ` [PATCH 09/21] q800: add Apple Sound Chip (ASC) audio to machine Mark Cave-Ayland
2023-07-02 15:48 ` [PATCH 10/21] q800: add easc bool machine class property to switch between ASC and EASC Mark Cave-Ayland
2023-07-07 8:29 ` Philippe Mathieu-Daudé
2023-09-08 6:54 ` Mark Cave-Ayland
2023-09-08 9:42 ` Philippe Mathieu-Daudé
2023-09-08 16:03 ` Mark Cave-Ayland
2023-09-08 16:06 ` Philippe Mathieu-Daudé
2023-09-11 5:15 ` Markus Armbruster
2023-09-20 15:41 ` Mark Cave-Ayland
2023-09-20 18:38 ` Markus Armbruster
2023-07-02 15:48 ` [PATCH 11/21] swim: add trace events for IWM and ISM registers Mark Cave-Ayland
2023-07-03 8:26 ` Philippe Mathieu-Daudé
2023-07-05 19:40 ` Mark Cave-Ayland
2023-07-06 10:05 ` Philippe Mathieu-Daudé
2023-07-02 15:48 ` [PATCH 12/21] swim: split into separate IWM and ISM register blocks Mark Cave-Ayland
2023-07-02 15:48 ` [PATCH 13/21] swim: update IWM/ISM register block decoding Mark Cave-Ayland
2023-07-02 15:48 ` [PATCH 14/21] mac_via: work around underflow in TimeDBRA timing loop in SETUPTIMEK Mark Cave-Ayland
2023-07-03 8:30 ` Philippe Mathieu-Daudé
2023-07-05 19:49 ` Mark Cave-Ayland
2023-07-06 10:10 ` Philippe Mathieu-Daudé
2023-07-06 10:34 ` Mark Cave-Ayland
2023-07-02 15:48 ` [PATCH 15/21] mac_via: workaround NetBSD ADB bus enumeration issue Mark Cave-Ayland
2023-07-02 15:48 ` [PATCH 16/21] mac_via: implement ADB_STATE_IDLE state if shift register in input mode Mark Cave-Ayland
2023-07-02 15:48 ` [PATCH 17/21] mac_via: always clear ADB interrupt when switching to A/UX mode Mark Cave-Ayland
2023-07-02 15:48 ` [PATCH 18/21] q800: add ESCC alias at 0xc000 Mark Cave-Ayland
2023-07-02 15:48 ` [PATCH 19/21] q800: add alias for MacOS toolbox ROM at 0x40000000 Mark Cave-Ayland
2023-07-02 15:48 ` [PATCH 20/21] mac_via: allow unaligned access to VIA1 registers Mark Cave-Ayland
2023-07-02 15:48 ` [PATCH 21/21] mac_via: extend timer calibration hack to work with A/UX Mark Cave-Ayland
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