| Message ID | 20250828020732.981415-3-sjg@u-boot.org |
|---|---|
| State | New |
| Headers |
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Wed, 27 Aug 2025 20:07:50 -0600 (MDT) From: Simon Glass <sjg@u-boot.org> To: U-Boot Concept <concept@u-boot.org> Date: Wed, 27 Aug 2025 20:07:05 -0600 Message-ID: <20250828020732.981415-3-sjg@u-boot.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250828020732.981415-1-sjg@u-boot.org> References: <20250828020732.981415-1-sjg@u-boot.org> MIME-Version: 1.0 Message-ID-Hash: LCE5UCVQRPGW7FBUDYNSSEPH3NZD6PSC X-Message-ID-Hash: LCE5UCVQRPGW7FBUDYNSSEPH3NZD6PSC X-MailFrom: sjg@u-boot.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: Heinrich Schuchardt <xypron.glpk@gmx.de>, Simon Glass <sjg@chromium.org> X-Mailman-Version: 3.3.10 Precedence: list Subject: [Concept] [PATCH 02/20] efi: app: Avoid switching exception levels on ARM List-Id: Discussion and patches related to U-Boot Concept <concept.u-boot.org> Archived-At: <https://lists.u-boot.org/archives/list/concept@u-boot.org/message/LCE5UCVQRPGW7FBUDYNSSEPH3NZD6PSC/> List-Archive: <https://lists.u-boot.org/archives/list/concept@u-boot.org/> List-Help: <mailto:concept-request@u-boot.org?subject=help> List-Owner: <mailto:concept-owner@u-boot.org> List-Post: <mailto:concept@u-boot.org> List-Subscribe: <mailto:concept-join@u-boot.org> List-Unsubscribe: <mailto:concept-leave@u-boot.org> Content-Type: text/plain; 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| Series |
efi: App and devicetree improvements
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Commit Message
Simon Glass
Aug. 28, 2025, 2:07 a.m. UTC
From: Simon Glass <sjg@chromium.org> The EFI app runs under the environment provided to it and is not allowed to change the exception level. Remove this call for the app. Signed-off-by: Simon Glass <sjg@chromium.org> --- lib/efi_client/app_run.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/lib/efi_client/app_run.c b/lib/efi_client/app_run.c index d2519985c87..03cc29778d8 100644 --- a/lib/efi_client/app_run.c +++ b/lib/efi_client/app_run.c @@ -31,7 +31,8 @@ static efi_status_t do_bootefi_exec(efi_handle_t handle, void *load_options) efi_status_t ret; /* On ARM switch from EL3 or secure mode to EL2 or non-secure mode */ - switch_to_non_secure_mode(); + if (!IS_ENABLED(CONFIG_EFI_APP)) + switch_to_non_secure_mode(); /* TODO(sjg@chromium.org): Set watchdog */