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From: Heinrich Schuchardt <>
Subject: [PATCH 1/2] efi: Add ESRT to the EFI system table
Date: Mon, 8 Feb 2021 23:18:03 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On 2/8/21 1:52 PM, Jose Marinho wrote:
> The ESRT is initialised during efi_init_objlist after
> efi_initialize_system_table().
> The ESRT is initially created with size for 50 FW image entries.
> The ESRT is resized when it runs out of space. Every resize adds 50
> additional entries.
> The ESRT is populated from information provided by FMP instances only.
> Signed-off-by: Jose Marinho<>

<josem> one limitation is, if any FMP instance is installed and then
uninstalled during the same boottime flow, the ESRT entries will not be
<josem> this limitation is because I cannot find a proper UEFI way to
hook to a FMP protocol uninstall.
<xypron> register an event with RegisterProtocolNotify().
<xypron> EFI_CALL(efi_register_protocol_notify(...)) after exporting the
function in /include/efi_loader
<xypron> The event can be created with efi_create_event().

  reply	other threads:[~2021-02-08 22:18 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-08 12:52 [PATCH 0/2] Add ESRT and test ESRT creation Jose Marinho
2021-02-08 12:52 ` [PATCH 1/2] efi: Add ESRT to the EFI system table Jose Marinho
2021-02-08 22:18   ` Heinrich Schuchardt [this message]
2021-02-08 22:30     ` Heinrich Schuchardt
2021-02-16  9:06   ` Heinrich Schuchardt
2021-02-16 10:27     ` Heinrich Schuchardt
2021-02-17  5:22     ` AKASHI Takahiro
2021-02-08 12:52 ` [PATCH 2/2] efi: ESRT cration unit test Jose Marinho
2021-02-17  5:26   ` AKASHI Takahiro
2021-02-19 18:04 [PATCHv2 0/2] Add ESRT and test ESRT creation Jose Marinho
2021-02-19 18:04 ` [PATCH 1/2] efi: Add ESRT to the EFI system table Jose Marinho
2021-02-20 17:31   ` Ilias Apalodimas
2021-02-21  9:08   ` Heinrich Schuchardt

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