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Re: Re: [PATCH] acpi: use xsdt_addr if present
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From: |
zhangqiumiao |
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Subject: |
Re: Re: [PATCH] acpi: use xsdt_addr if present |
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Date: |
Tue, 13 Jun 2023 03:00:55 +0000 |
On Thu, Jun 08, 2023 at 07:09:36PM +0800, Qiumiao Zhang via Grub-devel wrote:
>> According to the UEFI specification, in ACPI 2.0 or later, an
>> ACPI-compatible OS must use the XSDT if present.
> Sorry, I cannot find this in the UEFI spec. Though something more generic is
> in the ACPI spec. Could you update the commit message accordingly?
Sorry, I have confused the UEFI spec with the ACPI spec, I will update the
commit message.
>> So, we should use xsdt_addr instead of rsdt_addr if xsdt_addr is valid.
> Ha! We have the same problem in the
> grub-core/kern/acpi.c:grub_acpi_find_table().
> May I ask you to fix this function too? Of course in separate patch.
I would be happy to do this.
Qiumiao