diff options
| author | Antonio Nino Diaz <antonio.ninodiaz@arm.com> | 2019-01-31 10:48:47 +0000 |
|---|---|---|
| committer | Antonio Nino Diaz <antonio.ninodiaz@arm.com> | 2019-02-27 11:58:09 +0000 |
| commit | 9d93fc2f89a00e104bfe6be31f87861c26ba2bf0 (patch) | |
| tree | 76c94df64c39d35379eaaf4eb47834e75ea8bb61 /bl2/bl2.mk | |
| parent | cd7d6b0eb161c4b24f4ff19822cbb26c3f59a3f5 (diff) | |
BL2: Enable pointer authentication support
The size increase after enabling options related to ARMv8.3-PAuth is:
+----------------------------+-------+-------+-------+--------+
| | text | bss | data | rodata |
+----------------------------+-------+-------+-------+--------+
| CTX_INCLUDE_PAUTH_REGS = 1 | +40 | +0 | +0 | +0 |
| | 0.2% | | | |
+----------------------------+-------+-------+-------+--------+
| ENABLE_PAUTH = 1 | +664 | +0 | +16 | +0 |
| | 3.1% | | 0.9% | |
+----------------------------+-------+-------+-------+--------+
Results calculated with the following build configuration:
make PLAT=fvp SPD=tspd DEBUG=1 \
SDEI_SUPPORT=1 \
EL3_EXCEPTION_HANDLING=1 \
TSP_NS_INTR_ASYNC_PREEMPT=1 \
CTX_INCLUDE_PAUTH_REGS=1 \
ENABLE_PAUTH=1
The changes for BL2_AT_EL3 aren't done in this commit.
Change-Id: I8c803b40c7160525a06173bc6cdca21c4505837d
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
Diffstat (limited to 'bl2/bl2.mk')
| -rw-r--r-- | bl2/bl2.mk | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/bl2/bl2.mk b/bl2/bl2.mk index f905bc235..9523918bc 100644 --- a/bl2/bl2.mk +++ b/bl2/bl2.mk @@ -1,10 +1,11 @@ # -# Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved. +# Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved. # # SPDX-License-Identifier: BSD-3-Clause # -BL2_SOURCES += bl2/bl2_main.c \ +BL2_SOURCES += bl2/bl2_image_load_v2.c \ + bl2/bl2_main.c \ bl2/${ARCH}/bl2_arch_setup.c \ lib/locks/exclusive/${ARCH}/spinlock.S \ plat/common/${ARCH}/platform_up_stack.S \ @@ -14,7 +15,9 @@ ifeq (${ARCH},aarch64) BL2_SOURCES += common/aarch64/early_exceptions.S endif -BL2_SOURCES += bl2/bl2_image_load_v2.c +ifeq (${ENABLE_PAUTH},1) +BL2_CFLAGS += -msign-return-address=non-leaf +endif ifeq (${BL2_AT_EL3},0) BL2_SOURCES += bl2/${ARCH}/bl2_entrypoint.S |