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From: Tom Rini <trini@konsulko.com>
To: Simon Glass <sjg@chromium.org>
Cc: U-Boot Mailing List <u-boot@lists.denx.de>,
	Anand Moon <linux.amoon@gmail.com>, Bin Meng <bmeng.cn@gmail.com>,
	Heinrich Schuchardt <xypron.glpk@gmx.de>,
	Ilias Apalodimas <ilias.apalodimas@linaro.org>,
	Jerome Forissier <jerome.forissier@linaro.org>,
	Masahisa Kojima <kojima.masahisa@socionext.com>,
	Michal Simek <michal.simek@amd.com>,
	Patrick Delaunay <patrick.delaunay@foss.st.com>,
	Patrick Rudolph <patrick.rudolph@9elements.com>,
	Raymond Mao <raymond.mao@linaro.org>,
	Sughosh Ganu <sughosh.ganu@linaro.org>,
	Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
Subject: Re: [PATCH v2 22/33] emulation: Use bloblist to hold tables
Date: Thu, 9 Jan 2025 16:28:19 -0600	[thread overview]
Message-ID: <20250109222819.GE3476@bill-the-cat> (raw)
In-Reply-To: <20250106143229.3023771-23-sjg@chromium.org>

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On Mon, Jan 06, 2025 at 07:32:18AM -0700, Simon Glass wrote:

> QEMU can have its own internal ACPI and SMBIOS tables. At present U-Boot
> copies out the SMBIOS tables but points directly to the ACPI ones.
> 
> The ACPI tables are not aligned on a 4KB boundary, which means that UPL
> cannot use them directly, since it uses a reserved-memory node for the
> tables and that it assumed (by EDK2) to be 4KB-aligned.
> 
> On x86, QEMU completely takes over the generation of these tables, thus
> making it difficult to use any common code.
> 
> Adjust the logic to fit within the existing table-generation code. Use a
> bloblist always and ensure that the ACPI tables is placed in an aligned
> region. Set a size of 8K for QEMU. This does not actually put all the
> tables in one place, for QEMU, since it currently adds a pointer to the
> tables in QFW.
> 
> On ARM, enable bloblist so that SMBIOS tables can be added to the
> bloblist.
> 
> Signed-off-by: Simon Glass <sjg@chromium.org>

Commits that are "big external project is doing things wrong, we need to
work around it" are at best worrisome to me. If re-thinking what you're
doing here isn't right, re-wording what you're doing to not be negative
about other projects is what's needed then.

-- 
Tom

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  reply	other threads:[~2025-01-09 22:28 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-06 14:31 [PATCH v2 00/33] upl: Prerequite patches for updated spec Simon Glass
2025-01-06 14:31 ` [PATCH v2 01/33] bloblist: add api to get blob with size Simon Glass
2025-01-06 14:31 ` [PATCH v2 02/33] bloblist: Drop BSD license Simon Glass
2025-01-07 10:36   ` Ilias Apalodimas
2025-01-07 12:04     ` Simon Glass
2025-01-06 14:31 ` [PATCH v2 03/33] bloblist: Make BLOBLIST_ALLOC the default Simon Glass
2025-01-06 21:41   ` Tom Rini
2025-01-09 15:01     ` Simon Glass
2025-01-09 16:42       ` Tom Rini
2025-01-10 13:38         ` Simon Glass
2025-01-06 14:32 ` [PATCH v2 04/33] abuf: Provide a way to get the buffer address Simon Glass
2025-01-06 14:32 ` [PATCH v2 05/33] abuf: Allow use in host tools Simon Glass
2025-01-06 14:32 ` [PATCH v2 06/33] abuf: Provide a constant buffer Simon Glass
2025-01-06 14:32 ` [PATCH v2 07/33] cpu: Provide a way to get the physical-address size Simon Glass
2025-01-06 14:32 ` [PATCH v2 08/33] serial: Support info() method in ns16550 xPL with UPL Simon Glass
2025-01-06 14:32 ` [PATCH v2 09/33] mkimage: Update map_to_sysmem() to match its prototype Simon Glass
2025-01-06 14:32 ` [PATCH v2 10/33] x86: Enable meminfo command Simon Glass
2025-01-06 14:32 ` [PATCH v2 11/33] x86: Show the timestamp counter with bdinfo Simon Glass
2025-01-06 14:32 ` [PATCH v2 12/33] ofnode: Use 4K for a default tree-size Simon Glass
2025-01-08 18:33   ` Tom Rini
2025-01-09 12:37     ` Simon Glass
2025-01-06 14:32 ` [PATCH v2 13/33] ofnode: Indicate when out of space in a few places Simon Glass
2025-01-08 18:25   ` Tom Rini
2025-01-06 14:32 ` [PATCH v2 14/33] ofnode: Update of_add_subnode() to indicate name is alloced Simon Glass
2025-01-06 14:32 ` [PATCH v2 15/33] boot: Rename fit_image_get_data() Simon Glass
2025-01-06 14:32 ` [PATCH v2 16/33] boot: Rename fit_image_get_data_and_size() Simon Glass
2025-01-06 14:32 ` [PATCH v2 17/33] boot: Update fit_image_get_emb_data to use abuf Simon Glass
2025-01-08 18:25   ` Tom Rini
2025-01-09 12:36     ` Simon Glass
2025-01-09 15:09       ` Tom Rini
2025-01-09 15:14         ` Simon Glass
2025-01-09 18:08           ` Tom Rini
2025-01-10 13:39             ` Simon Glass
2025-01-10 16:17               ` Tom Rini
2025-01-10 19:23                 ` Simon Glass
2025-01-10 21:15                   ` Tom Rini
2025-01-06 14:32 ` [PATCH v2 18/33] boot: Use fit_image_get_data() to get data Simon Glass
2025-01-06 14:32 ` [PATCH v2 19/33] boot: Update fit_image_get_data() to use abuf Simon Glass
2025-01-06 14:32 ` [PATCH v2 20/33] test: Fix inpected typo in upl test Simon Glass
2025-01-06 14:32 ` [PATCH v2 21/33] emulation: fdt: Relax condition for OF_HAS_PRIOR_STAGE Simon Glass
2025-01-06 21:40   ` Tom Rini
2025-01-09 15:01     ` Simon Glass
2025-01-09 15:14       ` Tom Rini
2025-01-10 13:38         ` Simon Glass
2025-01-06 14:32 ` [PATCH v2 22/33] emulation: Use bloblist to hold tables Simon Glass
2025-01-09 22:28   ` Tom Rini [this message]
2025-01-06 14:32 ` [PATCH v2 23/33] x86: Create more space for SPL with qemu-x86_64 Simon Glass
2025-01-06 14:32 ` [PATCH v2 24/33] pci: video: Set up the pixel-format field Simon Glass
2025-01-06 14:32 ` [PATCH v2 25/33] x86: Show an error if video fails Simon Glass
2025-01-06 14:32 ` [PATCH v2 26/33] x86: Support jumping to a UPL image Simon Glass
2025-01-06 14:32 ` [PATCH v2 27/33] x86: Enable UPL handoff for SPL Simon Glass
2025-01-06 14:32 ` [PATCH v2 28/33] x86: Move tables to use SZ macros Simon Glass
2025-01-06 14:32 ` [PATCH v2 29/33] x86: Align the SMBIOS table to a 4K boundary Simon Glass
2025-01-06 14:32 ` [PATCH v2 30/33] x86: emulation: Enable bloblist Simon Glass
2025-01-06 14:32 ` [PATCH v2 31/33] dm: core: Clarify behaviour of ofnode_name_eq() Simon Glass
2025-01-06 14:32 ` [PATCH v2 32/33] dm: core: Provide ofnode_name_eq_unit() to accept a unit address Simon Glass
2025-01-06 14:32 ` [PATCH v2 33/33] dm: core: Provide ofnode_find_subnode_unit() Simon Glass
2025-01-06 21:42 ` [PATCH v2 00/33] upl: Prerequite patches for updated spec Tom Rini
2025-01-08 18:37 ` Tom Rini
2025-01-09 12:37   ` Simon Glass

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