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Re: PATCH: Increase System Firmware Max Size

From: Laszlo Ersek
Subject: Re: PATCH: Increase System Firmware Max Size
Date: Wed, 16 Sep 2020 12:00:44 +0200

On 09/16/20 11:52, Laszlo Ersek wrote:

> (5) In my opinion (which could be wrong of course), we shouldn't
> introduce a new command line option for this, but a new PC machine type
> property called "x-firmware-max-size".
> Please look at the object_class_property_add() calls in
> pc_machine_class_init() [hw/i386/pc.c].
> I think the PC_MACHINE_MAX_RAM_BELOW_4G property is a good example to
> imitate:
> - It has type "size".
> - It comes with a getter and a setter, and an associated field in
> PCMachineState ("max_ram_below_4g").
> - It has a nice description.
> Then in pc_system_flash_map() [hw/i386/pc_sysfw.c], I suggest replacing
> FLASH_SIZE_LIMIT with "pcms->firmware_max_size".

The default value (8MB) should be set in pc_machine_initfn() [hw/i386/pc.c].


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