| Message ID | 20211217194059.858580-13-sjg@chromium.org |
|---|---|
| State | Superseded |
| Delegated to: | Heinrich Schuchardt |
| Headers | show
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[67.190.101.114]) by smtp.gmail.com with ESMTPSA id w19sm6079605iov.12.2021.12.17.11.41.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Dec 2021 11:41:32 -0800 (PST) From: Simon Glass <sjg@chromium.org> To: U-Boot Mailing List <u-boot@lists.denx.de> Cc: Bin Meng <bmeng.cn@gmail.com>, Heinrich Schuchardt <xypron.glpk@gmx.de>, Tom Rini <trini@konsulko.com>, Ilias Apalodimas <ilias.apalodimas@linaro.org>, Christian Melki <christian.melki@t2data.com>, Simon Glass <sjg@chromium.org>, Alexander Graf <agraf@csgraf.de> Subject: [PATCH v6 16/27] efi: Mention that efi_info_get() is only used in the stub Date: Fri, 17 Dec 2021 12:40:48 -0700 Message-Id: <20211217194059.858580-13-sjg@chromium.org> X-Mailer: git-send-email 2.34.1.173.g76aa8bc2d0-goog In-Reply-To: <20211217194059.858580-1-sjg@chromium.org> References: <20211217194059.858580-1-sjg@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.38 Precedence: list List-Id: U-Boot discussion <u-boot.lists.denx.de> List-Unsubscribe: <https://lists.denx.de/options/u-boot>, <mailto:u-boot-request@lists.denx.de?subject=unsubscribe> List-Archive: <https://lists.denx.de/pipermail/u-boot/> List-Post: <mailto:u-boot@lists.denx.de> List-Help: <mailto:u-boot-request@lists.denx.de?subject=help> List-Subscribe: <https://lists.denx.de/listinfo/u-boot>, <mailto:u-boot-request@lists.denx.de?subject=subscribe> Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" <u-boot-bounces@lists.denx.de> X-Virus-Scanned: clamav-milter 0.103.2 at phobos.denx.de X-Virus-Status: Clean |
| Series |
efi: Improvements to U-Boot running on top of UEFI
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expand
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diff --git a/include/efi.h b/include/efi.h index ca4afaf524b..0aa07193640 100644 --- a/include/efi.h +++ b/include/efi.h @@ -578,6 +578,10 @@ void efi_putc(struct efi_priv *priv, const char ch); /** * efi_info_get() - get an entry from an EFI table * + * This function is called from U-Boot proper to read information set up by the + * EFI stub. It can only be used when running from the EFI stub, not when U-Boot + * is running as an app. + * * @type: Entry type to search for * @datap: Returns pointer to entry data * @sizep: Returns pointer to entry size
This provides access to EFI tables after U-Boot has exited boot services. It is not needed in the app since boot services remain alive and we can just call them whenever needed. Add a comment to explain this. Signed-off-by: Simon Glass <sjg@chromium.org> --- Changes in v6: - Fix 'stuff' typo in comment - Update to 'This function' in comment Changes in v2: - Fix 'as' typo include/efi.h | 4 ++++ 1 file changed, 4 insertions(+)