Merge changes from topic "errata" into integration
* changes:
fix(cpus): workaround for Cortex-A78C erratum 1827440
fix(cpus): workaround for Cortex-A78C erratum 1827430
diff --git a/Makefile b/Makefile
index 797b2cf..530ce53 100644
--- a/Makefile
+++ b/Makefile
@@ -517,6 +517,13 @@
plat/common/${ARCH}/platform_helpers.S \
${COMPILER_RT_SRCS}
+# Pointer Authentication sources
+ifeq (${ENABLE_PAUTH}, 1)
+# arm/common/aarch64/arm_pauth.c contains a sample platform hook to complete the
+# Pauth support. As it's not secure, it must be reimplemented for real platforms
+BL_COMMON_SOURCES += lib/extensions/pauth/pauth_helpers.S
+endif
+
ifeq ($(notdir $(CC)),armclang)
BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S
endif
diff --git a/bl31/aarch64/runtime_exceptions.S b/bl31/aarch64/runtime_exceptions.S
index 500e87b..2fa9f06 100644
--- a/bl31/aarch64/runtime_exceptions.S
+++ b/bl31/aarch64/runtime_exceptions.S
@@ -55,7 +55,7 @@
* delegated to platform EA handler.
*
* Without RAS_EXTENSION, this macro synchronizes pending errors using
- * a DSB, unmasks Asynchronous External Aborts and saves X30 before
+ * a DSB, unmasks Asynchronous External Aborts and saves X30 before
* setting the flag CTX_IS_IN_EL3.
*/
.macro check_and_unmask_ea
@@ -506,6 +506,17 @@
/* Copy SCR_EL3.NS bit to the flag to indicate caller's security */
bfi x7, x18, #0, #1
+ mov sp, x12
+
+ /*
+ * Per SMCCC documentation, bits [23:17] must be zero for Fast
+ * SMCs. Other values are reserved for future use. Ensure that
+ * these bits are zeroes, if not report as unknown SMC.
+ */
+ tbz x0, #FUNCID_TYPE_SHIFT, 2f /* Skip check if its a Yield Call*/
+ tst x0, #(FUNCID_FC_RESERVED_MASK << FUNCID_FC_RESERVED_SHIFT)
+ b.ne smc_unknown
+
/*
* Per SMCCCv1.3 a caller can set the SVE hint bit in the SMC FID
* passed through x0. Copy the SVE hint bit to flags and mask the
@@ -513,11 +524,10 @@
* A service/dispatcher can retrieve the SVE hint bit state from
* flags using the appropriate helper.
*/
+2:
bfi x7, x0, #FUNCID_SVE_HINT_SHIFT, #FUNCID_SVE_HINT_MASK
bic x0, x0, #(FUNCID_SVE_HINT_MASK << FUNCID_SVE_HINT_SHIFT)
- mov sp, x12
-
/* Get the unique owning entity number */
ubfx x16, x0, #FUNCID_OEN_SHIFT, #FUNCID_OEN_WIDTH
ubfx x15, x0, #FUNCID_TYPE_SHIFT, #FUNCID_TYPE_WIDTH
@@ -584,7 +594,7 @@
* Unknown SMC call. Populate return value with SMC_UNK and call
* el3_exit() which will restore the remaining architectural state
* i.e., SYS, GP and PAuth registers(if any) prior to issuing the ERET
- * to the desired lower EL.
+ * to the desired lower EL.
*/
mov x0, #SMC_UNK
str x0, [x6, #CTX_GPREGS_OFFSET + CTX_GPREG_X0]
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 2b727d4..57f4748 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -452,11 +452,6 @@
int ret, n;
unsigned int resp_data[4];
- ret = mmc_reset_to_idle();
- if (ret != 0) {
- return ret;
- }
-
for (n = 0; n < SEND_OP_COND_MAX_RETRIES; n++) {
ret = mmc_send_cmd(MMC_CMD(1), OCR_SECTOR_MODE |
OCR_VDD_MIN_2V7 | OCR_VDD_MIN_1V7,
diff --git a/include/lib/smccc.h b/include/lib/smccc.h
index cce91af..63637d5 100644
--- a/include/lib/smccc.h
+++ b/include/lib/smccc.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016-2022, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2023, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -37,9 +37,13 @@
#define FUNCID_OEN_MASK U(0x3f)
#define FUNCID_OEN_WIDTH U(6)
-#define FUNCID_SVE_HINT_SHIFT U(16)
-#define FUNCID_SVE_HINT_MASK U(1)
-#define FUNCID_SVE_HINT_WIDTH U(1)
+#define FUNCID_FC_RESERVED_SHIFT U(17)
+#define FUNCID_FC_RESERVED_MASK U(0x7f)
+#define FUNCID_FC_RESERVED_WIDTH U(7)
+
+#define FUNCID_SVE_HINT_SHIFT U(16)
+#define FUNCID_SVE_HINT_MASK U(1)
+#define FUNCID_SVE_HINT_WIDTH U(1)
#define FUNCID_NUM_SHIFT U(0)
#define FUNCID_NUM_MASK U(0xffff)
diff --git a/plat/arm/common/arm_common.mk b/plat/arm/common/arm_common.mk
index 4d5a56a..de2c4f8 100644
--- a/plat/arm/common/arm_common.mk
+++ b/plat/arm/common/arm_common.mk
@@ -353,8 +353,7 @@
# Pointer Authentication sources
ifeq (${ENABLE_PAUTH}, 1)
-PLAT_BL_COMMON_SOURCES += plat/arm/common/aarch64/arm_pauth.c \
- lib/extensions/pauth/pauth_helpers.S
+PLAT_BL_COMMON_SOURCES += plat/arm/common/aarch64/arm_pauth.c
endif
ifeq (${SPD},spmd)
diff --git a/plat/qemu/qemu/platform.mk b/plat/qemu/qemu/platform.mk
index 32d2b88..cc437e3 100644
--- a/plat/qemu/qemu/platform.mk
+++ b/plat/qemu/qemu/platform.mk
@@ -221,8 +221,7 @@
# Pointer Authentication sources
ifeq (${ENABLE_PAUTH}, 1)
-PLAT_BL_COMMON_SOURCES += plat/arm/common/aarch64/arm_pauth.c \
- lib/extensions/pauth/pauth_helpers.S
+PLAT_BL_COMMON_SOURCES += plat/arm/common/aarch64/arm_pauth.c
endif
ifeq (${SPD},spmd)