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Re: [PATCH] rumpkernel: pci-userspace: Ask for permission to use PCI CON
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From: |
Samuel Thibault |
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Subject: |
Re: [PATCH] rumpkernel: pci-userspace: Ask for permission to use PCI CONF2 registers |
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Date: |
Mon, 22 Aug 2022 23:45:48 +0200 |
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User-agent: |
NeoMutt/20170609 (1.8.3) |
Damien Zammit, le lun. 22 août 2022 06:58:47 +0000, a ecrit:
> meaning we only care about reserving access to these ioports (c000-cfff)
> on hardware that was created circa 1992-1993, eg 80486 and first pentiums. [1]
> Also, when PCI_CONF2 range is accessed for pci configuration,
> you must use PCI_CONF1 registers first to activate the second I/O space,
Ok, so we can just drop the cfg2 range from gnumach and machirqdev.diff,
and be done with the story :)
Samuel