diff --git a/meta-arm-bsp/recipes-bsp/u-boot/u-boot/corstone1000/0036-efi_capsule-corstone1000-pass-interface-and-buffer-event-ids-in-w4.patch b/meta-arm-bsp/recipes-bsp/u-boot/u-boot/corstone1000/0036-efi_capsule-corstone1000-pass-interface-and-buffer-event-ids-in-w4.patch new file mode 100644 index 0000000..80982fa --- /dev/null +++ b/meta-arm-bsp/recipes-bsp/u-boot/u-boot/corstone1000/0036-efi_capsule-corstone1000-pass-interface-and-buffer-event-ids-in-w4.patch @@ -0,0 +1,77 @@ +Upstream-Status: Pending [Not submitted to upstream yet] +Signed-off-by: Abdellatif El Khlifi + +From 44e0b661c90d83b64b38023ebc27a836ae687b6a Mon Sep 17 00:00:00 2001 +From: Vishnu Banavath +Date: Fri, 10 Dec 2021 20:03:35 +0000 +Subject: [PATCH 1/2] efi_capsule: corstone1000: pass interface id and buffer + event id using register w4 + +Initially the interface/event IDs are passed to the SP using register +w3 and w5. + +Now the SE proxy SP requires this arguments to be in register w4. + +This change is to pass interface ID(31:16) and event ID(15:0) +to SE proxy SP to trigger an event to secure enclave about +firmware update. + +Signed-off-by: Vishnu Banavath +Signed-off-by: Abdellatif El Khlifi +--- + include/configs/corstone1000.h | 8 ++++++++ + lib/efi_loader/efi_capsule.c | 11 +++++++---- + 2 files changed, 15 insertions(+), 4 deletions(-) + +diff --git a/include/configs/corstone1000.h b/include/configs/corstone1000.h +index 31fc0cb29e..4a78e1a3c5 100644 +--- a/include/configs/corstone1000.h ++++ b/include/configs/corstone1000.h +@@ -24,6 +24,14 @@ + #define CORSTONE1000_BUFFER_READY_EVT (0x1) + #define CORSTONE1000_KERNEL_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))) ++ ++#define PREP_SEPROXY_EVT_MASK GENMASK(15, 0) ++#define PREP_SEPROXY_EVT(x) \ ++ (FIELD_PREP(PREP_SEPROXY_EVT_MASK, (x))) ++ + /* Size in 4KB pages of the EFI capsule buffer */ + #define CORSTONE1000_CAPSULE_BUFFER_SIZE (8192) /* 32 MB */ + +diff --git a/lib/efi_loader/efi_capsule.c b/lib/efi_loader/efi_capsule.c +index 089eba0fd0..6917bb4925 100644 +--- a/lib/efi_loader/efi_capsule.c ++++ b/lib/efi_loader/efi_capsule.c +@@ -21,6 +21,8 @@ + #ifdef CONFIG_TARGET_CORSTONE1000 + #include + #include ++#include ++#include + + void *__efi_runtime_data corstone1000_capsule_buf; /* capsule shared buffer virtual address */ + efi_guid_t corstone1000_capsule_guid = EFI_CORSTONE1000_CAPSULE_ID_GUID; +@@ -495,11 +497,12 @@ static int __efi_runtime efi_corstone1000_buffer_ready_event(u32 capsule_image_s + func_data.data0 = &part_id; + + /* +- * setting the buffer ready event arguments ++ * setting the buffer ready event arguments in register w4: ++ * - capsule update interface ID (31:16) ++ * - the buffer ready event ID (15:0) + */ +- msg.a3 = CORSTONE1000_SEPROXY_UPDATE_SVC_ID; +- msg.a4 = capsule_image_size; +- msg.a5 = CORSTONE1000_BUFFER_READY_EVT; ++ msg.a4 = PREP_SEPROXY_SVC_ID(CORSTONE1000_SEPROXY_UPDATE_SVC_ID) | ++ PREP_SEPROXY_EVT(CORSTONE1000_BUFFER_READY_EVT); + + func_data.data1_size = sizeof(msg); + func_data.data1 = &msg; +-- +2.17.1 + diff --git a/meta-arm-bsp/recipes-bsp/u-boot/u-boot/corstone1000/0037-efi_boottime-corstone1000-pass-interface-and-kernel-event-ids-in-w4.patch b/meta-arm-bsp/recipes-bsp/u-boot/u-boot/corstone1000/0037-efi_boottime-corstone1000-pass-interface-and-kernel-event-ids-in-w4.patch new file mode 100644 index 0000000..3e3934c --- /dev/null +++ b/meta-arm-bsp/recipes-bsp/u-boot/u-boot/corstone1000/0037-efi_boottime-corstone1000-pass-interface-and-kernel-event-ids-in-w4.patch @@ -0,0 +1,59 @@ +Upstream-Status: Pending [Not submitted to upstream yet] +Signed-off-by: Abdellatif El Khlifi + +From 51600b4385ddd45ce480bdb58769205072ddadf2 Mon Sep 17 00:00:00 2001 +From: Vishnu Banavath +Date: Fri, 10 Dec 2021 20:10:41 +0000 +Subject: [PATCH 2/2] efi_boottime: corstone1000: pass interface id and kernel + event id using register w4 + +Initially the interface/event IDs are passed to the SP using register +w3 and w5. + +Now the SE proxy SP requires this arguments to be in register w4. + +This change is to pass interface ID(31:16) and kernel started +event ID(15:0) to SE proxy SP to trigger an event to +secure enclave just before ExitbootService(). + +Signed-off-by: Vishnu Banavath +Signed-off-by: Abdellatif El Khlifi +--- + lib/efi_loader/efi_boottime.c | 13 ++++++++++--- + 1 file changed, 10 insertions(+), 3 deletions(-) + +diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c +index be49030717..17cc692064 100644 +--- a/lib/efi_loader/efi_boottime.c ++++ b/lib/efi_loader/efi_boottime.c +@@ -26,6 +26,11 @@ + #include + #endif + ++#if IS_ENABLED(CONFIG_TARGET_CORSTONE1000) ++#include ++#include ++#endif ++ + DECLARE_GLOBAL_DATA_PTR; + + /* Task priority level */ +@@ -2114,10 +2119,12 @@ static int efi_corstone1000_kernel_started_event(void) + func_data.data0 = &part_id; + + /* +- * setting the kernel started event arguments ++ * setting the kernel started event arguments: ++ * setting capsule update interface ID(31:16) ++ * the kernel started event ID(15:0) + */ +- msg.a3 = CORSTONE1000_SEPROXY_UPDATE_SVC_ID; +- msg.a5 = CORSTONE1000_KERNEL_STARTED_EVT; ++ msg.a4 = PREP_SEPROXY_SVC_ID(CORSTONE1000_SEPROXY_UPDATE_SVC_ID) | ++ PREP_SEPROXY_EVT(CORSTONE1000_KERNEL_STARTED_EVT); + + func_data.data1_size = sizeof(msg); + func_data.data1 = &msg; +-- +2.17.1 + diff --git a/meta-arm-bsp/recipes-bsp/u-boot/u-boot_%.bbappend b/meta-arm-bsp/recipes-bsp/u-boot/u-boot_%.bbappend index fd5184e..6db2492 100644 --- a/meta-arm-bsp/recipes-bsp/u-boot/u-boot_%.bbappend +++ b/meta-arm-bsp/recipes-bsp/u-boot/u-boot_%.bbappend @@ -45,6 +45,8 @@ SRC_URI:append:corstone1000 = " \ file://0033-corstone1000-dts-setting-the-boot-console-output.patch \ file://0034-corstone1000-dts-remove-the-use-of-fdt_addr_r.patch \ file://0035-Fix-GetVariable-to-handle-0-data-size.patch \ + file://0036-efi_capsule-corstone1000-pass-interface-and-buffer-event-ids-in-w4.patch \ + file://0037-efi_boottime-corstone1000-pass-interface-and-kernel-event-ids-in-w4.patch \ " #