diff options
Diffstat (limited to 'meta-arm/meta-arm-bsp/recipes-bsp/u-boot/u-boot/corstone1000/0024-efi_loader-send-bootcomplete-message-to-secure-encla.patch')
| -rw-r--r-- | meta-arm/meta-arm-bsp/recipes-bsp/u-boot/u-boot/corstone1000/0024-efi_loader-send-bootcomplete-message-to-secure-encla.patch | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/meta-arm/meta-arm-bsp/recipes-bsp/u-boot/u-boot/corstone1000/0024-efi_loader-send-bootcomplete-message-to-secure-encla.patch b/meta-arm/meta-arm-bsp/recipes-bsp/u-boot/u-boot/corstone1000/0024-efi_loader-send-bootcomplete-message-to-secure-encla.patch new file mode 100644 index 0000000000..35f5cb2354 --- /dev/null +++ b/meta-arm/meta-arm-bsp/recipes-bsp/u-boot/u-boot/corstone1000/0024-efi_loader-send-bootcomplete-message-to-secure-encla.patch @@ -0,0 +1,183 @@ +From 709e5d8ff07474f840f1d34d3077135f77795452 Mon Sep 17 00:00:00 2001 +From: Vishnu Banavath <vishnu.banavath@arm.com> +Date: Mon, 15 Aug 2022 15:46:18 +0100 +Subject: [PATCH 24/26] efi_loader: send bootcomplete message to secure enclave + +On corstone1000 platform, Secure Enclave will be expecting +an event from uboot when it performs capsule update. Previously, +an event is sent at exitbootservice level. This will create a problem +when user wants to interrupt at UEFI shell, hence, it is required +to send an uboot efi initialized event at efi sub-system initialization +stage. + +Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org> +Signed-off-by: Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com> +Upstream-Status: Pending [Not submitted to upstream yet] +--- + include/configs/corstone1000.h | 2 +- + lib/efi_loader/efi_boottime.c | 43 ---------------------------------- + lib/efi_loader/efi_firmware.c | 2 +- + lib/efi_loader/efi_setup.c | 39 ++++++++++++++++++++++++++++++ + 4 files changed, 41 insertions(+), 45 deletions(-) + +diff --git a/include/configs/corstone1000.h b/include/configs/corstone1000.h +index 4637dd5d5d..333b1d93b6 100644 +--- a/include/configs/corstone1000.h ++++ b/include/configs/corstone1000.h +@@ -22,7 +22,7 @@ + + /* Notification events used with SE Proxy update service */ + #define CORSTONE1000_BUFFER_READY_EVT (0x1) +-#define CORSTONE1000_KERNEL_STARTED_EVT (0x2) ++#define CORSTONE1000_UBOOT_EFI_STARTED_EVT (0x2) + + #define PREP_SEPROXY_SVC_ID_MASK GENMASK(31, 16) + #define PREP_SEPROXY_SVC_ID(x) (FIELD_PREP(PREP_SEPROXY_SVC_ID_MASK, (x))) +diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c +index de815484d2..cede7826bd 100644 +--- a/lib/efi_loader/efi_boottime.c ++++ b/lib/efi_loader/efi_boottime.c +@@ -27,11 +27,6 @@ + #include <arm_ffa.h> + #endif + +-#if IS_ENABLED(CONFIG_TARGET_CORSTONE1000) +-#include <linux/bitfield.h> +-#include <linux/bitops.h> +-#endif +- + DECLARE_GLOBAL_DATA_PTR; + + /* Task priority level */ +@@ -2100,35 +2095,6 @@ static void efi_exit_caches(void) + #endif + } + +-#if IS_ENABLED(CONFIG_TARGET_CORSTONE1000) +-/** +- * efi_corstone1000_kernel_started_event - notifies SE Proxy FW update service +- * +- * This function notifies the SE Proxy update service that the kernel has already started +- * +- * Return: +- * +- * 0: on success, otherwise failure +- */ +-static int efi_corstone1000_kernel_started_event(void) +-{ +- struct ffa_send_direct_data msg = {0}; +- +- log_debug("[%s]\n", __func__); +- +- /* +- * setting the kernel started event arguments: +- * setting capsule update interface ID(31:16) +- * the kernel started event ID(15:0) +- */ +- msg.data1 = PREP_SEPROXY_SVC_ID(CORSTONE1000_SEPROXY_UPDATE_SVC_ID) | +- PREP_SEPROXY_EVT(CORSTONE1000_KERNEL_STARTED_EVT); /* w4 */ +- +- return ffa_bus_ops_get()->sync_send_receive(CORSTONE1000_SEPROXY_PART_ID, &msg); +-} +- +-#endif +- + /** + * efi_exit_boot_services() - stop all boot services + * @image_handle: handle of the loaded image +@@ -2244,15 +2210,6 @@ static efi_status_t EFIAPI efi_exit_boot_services(efi_handle_t image_handle, + /* Recalculate CRC32 */ + efi_update_table_header_crc32(&systab.hdr); + +-#if IS_ENABLED(CONFIG_TARGET_CORSTONE1000) +- /* Notifying SE Proxy FW update service */ +- ffa_ret = efi_corstone1000_kernel_started_event(); +- if (ffa_ret) +- debug("[efi_boottime][ERROR]: Failure to notify SE Proxy FW update service\n"); +- else +- debug("[efi_boottime][INFO]: SE Proxy FW update service notified\n"); +-#endif +- + /* Give the payload some time to boot */ + efi_set_watchdog(0); + WATCHDOG_RESET(); +diff --git a/lib/efi_loader/efi_firmware.c b/lib/efi_loader/efi_firmware.c +index af43d4502f..25f427b936 100644 +--- a/lib/efi_loader/efi_firmware.c ++++ b/lib/efi_loader/efi_firmware.c +@@ -47,7 +47,7 @@ static efi_status_t efi_corstone1000_img_info_get ( + *package_version_name = NULL; /* not supported */ + + if(image_info == NULL) { +- log_warning("image_info is null\n"); ++ log_info("image_info is null\n"); + return EFI_BUFFER_TOO_SMALL; + } + +diff --git a/lib/efi_loader/efi_setup.c b/lib/efi_loader/efi_setup.c +index bfd4687e10..6c9e14c37e 100644 +--- a/lib/efi_loader/efi_setup.c ++++ b/lib/efi_loader/efi_setup.c +@@ -17,6 +17,9 @@ + efi_status_t efi_obj_list_initialized = OBJ_LIST_NOT_INITIALIZED; + + #if IS_ENABLED(CONFIG_TARGET_CORSTONE1000) ++#include <linux/bitfield.h> ++#include <linux/bitops.h> ++#include <arm_ffa.h> + /** + * efi_corstone1000_alloc_capsule_shared_buf - allocate capsule shared buffer + */ +@@ -126,6 +129,34 @@ static efi_status_t efi_init_secure_boot(void) + } + #endif /* CONFIG_EFI_SECURE_BOOT */ + ++#if IS_ENABLED(CONFIG_TARGET_CORSTONE1000) ++/** ++ * efi_corstone1000_uboot-efi_started_event - notifies SE Proxy FW update service ++ * ++ * This function notifies the SE Proxy update service that uboot efi has already started ++ * ++ * Return: ++ * ++ * 0: on success, otherwise failure ++ * */ ++static int efi_corstone1000_uboot_efi_started_event(void) ++{ ++ struct ffa_send_direct_data msg = {0}; ++ ++ log_debug("[%s]\n", __func__); ++ ++ /* ++ * setting the kernel started event arguments: ++ * setting capsule update interface ID(31:16) ++ * the kernel started event ID(15:0) ++ */ ++ msg.data1 = PREP_SEPROXY_SVC_ID(CORSTONE1000_SEPROXY_UPDATE_SVC_ID) | ++ PREP_SEPROXY_EVT(CORSTONE1000_UBOOT_EFI_STARTED_EVT); /* w4 */ ++ ++ return ffa_bus_ops_get()->sync_send_receive(CORSTONE1000_SEPROXY_PART_ID, &msg); ++} ++#endif ++ + /** + * efi_init_capsule - initialize capsule update state + * +@@ -136,6 +167,14 @@ static efi_status_t efi_init_capsule(void) + efi_status_t ret = EFI_SUCCESS; + + #if IS_ENABLED(CONFIG_TARGET_CORSTONE1000) ++ int ffa_ret; ++ ++ ffa_ret = efi_corstone1000_uboot_efi_started_event(); ++ if (ffa_ret) ++ debug("[efi_boottime][ERROR]: Failure to notify SE Proxy FW update service\n"); ++ else ++ debug("[efi_boottime][INFO]: SE Proxy FW update service notified\n"); ++ + ret = efi_corstone1000_alloc_capsule_shared_buf(); + if (ret != EFI_SUCCESS) { + printf("EFI: Corstone-1000: cannot allocate caspsule shared buffer\n"); +-- +2.17.1 + |