[PATCH v3 12/24] efi_loader: fwu_arm_psa: Add set_image and get_image_info support

abdellatif.elkhlifi at arm.com abdellatif.elkhlifi at arm.com
Mon Jul 21 13:18:04 CEST 2025


From: Abdellatif El Khlifi <abdellatif.elkhlifi at arm.com>

Implement set_image and get_image_info through RAW functions

The implementation is done using efi_firmware_raw_set_image()
and efi_firmware_get_image_info()

Signed-off-by: Abdellatif El Khlifi <abdellatif.elkhlifi at arm.com>
Signed-off-by: Davidson kumaresan <davidson.kumaresan at arm.com>
Cc: Heinrich Schuchardt <xypron.glpk at gmx.de>
Cc: Sughosh Ganu <sughosh.ganu at linaro.org>
Cc: Tom Rini <trini at konsulko.com>
Cc: Ilias Apalodimas <ilias.apalodimas at linaro.org>
Cc: Simon Glass <sjg at chromium.org>
Cc: Michal Simek <michal.simek at amd.com>
Cc: Marek Vasut <marek.vasut+renesas at mailbox.org>
Cc: Casey Connolly <casey.connolly at linaro.org>
Cc: Adriano Cordova <adrianox at gmail.com>

---

Changelog of changes:
===========================

v2:

* Following Heinrich comment: The changes at efi_firmware_raw_set_image()
    simplified by removing the "else" so it is clear we are just adding FWU_ARM_PSA
    support and skipping the use of DFU in case of FWU_ARM_PSA

v1:

* Add set_image and get_image_info support for FWU_ARM_PSA

 lib/efi_loader/efi_firmware.c | 35 +++++++++++++++++++++++++++++++----
 1 file changed, 31 insertions(+), 4 deletions(-)

diff --git a/lib/efi_loader/efi_firmware.c b/lib/efi_loader/efi_firmware.c
index 75501e21557..38945b34e7b 100644
--- a/lib/efi_loader/efi_firmware.c
+++ b/lib/efi_loader/efi_firmware.c
@@ -4,6 +4,12 @@
  *
  *  Copyright (c) 2020 Linaro Limited
  *			Author: AKASHI Takahiro
+ *
+ * Copyright 2025 Arm Limited and/or its affiliates <open-source-office at arm.com>
+ *
+ * Authors:
+ *   Abdellatif El Khlifi <abdellatif.elkhlifi at arm.com>
+ *   Davidson kumaresan <davidson.kumaresan at arm.com>
  */
 
 #define LOG_CATEGORY LOGC_EFI
@@ -14,6 +20,7 @@
 #include <efi_variable.h>
 #include <env.h>
 #include <fwu.h>
+#include <fwu_arm_psa.h>
 #include <image.h>
 #include <signatures.h>
 
@@ -601,10 +608,21 @@ efi_status_t EFIAPI efi_firmware_get_image_info(
 	     !descriptor_size || !package_version || !package_version_name))
 		return EFI_EXIT(EFI_INVALID_PARAMETER);
 
-	ret = efi_fill_image_desc_array(image_info_size, image_info,
-					descriptor_version, descriptor_count,
-					descriptor_size, package_version,
-					package_version_name);
+	if (IS_ENABLED(CONFIG_FWU_ARM_PSA)) {
+		ret = fwu_arm_psa_get_image_info(image_info_size, image_info,
+						 descriptor_version,
+						 descriptor_count,
+						 descriptor_size,
+						 package_version,
+						 package_version_name);
+	} else {
+		ret = efi_fill_image_desc_array(image_info_size, image_info,
+						descriptor_version,
+						descriptor_count,
+						descriptor_size,
+						package_version,
+						package_version_name);
+	}
 
 	return EFI_EXIT(ret);
 }
@@ -749,6 +767,15 @@ efi_status_t EFIAPI efi_firmware_raw_set_image(
 	if (status != EFI_SUCCESS)
 		return EFI_EXIT(status);
 
+	if (IS_ENABLED(CONFIG_FWU_ARM_PSA)) {
+		if (fwu_update_image(image, image_index, image_size))
+			return EFI_EXIT(EFI_DEVICE_ERROR);
+
+		efi_firmware_set_fmp_state_var(&state, image_index);
+
+		return EFI_EXIT(EFI_SUCCESS);
+	}
+
 	/*
 	 * dfu_alt_num is assigned from 0 while image_index starts from 1.
 	 * dfu_alt_num is calculated by (image_index - 1) when multi bank update
-- 
2.25.1



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