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fix(build): include platform mk earlier

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Move platform.mk inclusion in top level Makefile to permit a platform
specifying BRANCH_PROTECTION option.

Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
Change-Id: I1f662f82cd949eedfdbb61b9f66de15c46fb3106
This commit is contained in:
Olivier Deprez 2025-01-03 13:38:50 +01:00
parent 875423de49
commit 696ed16877
5 changed files with 11 additions and 13 deletions
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12
Makefile
View file

@ -513,6 +513,12 @@ ifeq ($(SPMC_AT_EL3),1)
endif
endif
################################################################################
# Include the platform specific Makefile after the SPD Makefile (the platform
# makefile may use all previous definitions in this file)
################################################################################
include ${PLAT_MAKEFILE_FULL}
################################################################################
# Process BRANCH_PROTECTION value and set
# Pointer Authentication and Branch Target Identification flags
@ -557,12 +563,6 @@ ifeq (${ENABLE_PAUTH}, 1)
BL_COMMON_SOURCES += lib/extensions/pauth/pauth_helpers.S
endif
################################################################################
# Include the platform specific Makefile after the SPD Makefile (the platform
# makefile may use all previous definitions in this file)
################################################################################
include ${PLAT_MAKEFILE_FULL}
################################################################################
# Setup arch_features based on ARM_ARCH_MAJOR, ARM_ARCH_MINOR provided from
# platform.

2
docs/porting-guide.rst
View file

@ -2454,7 +2454,7 @@ pointer authentication keys.
The value should be obtained from a reliable source of randomness.
This function is only needed if ARMv8.3 pointer authentication is used in the
Trusted Firmware by building with ``BRANCH_PROTECTION`` option set to non-zero.
Trusted Firmware by building with ``BRANCH_PROTECTION`` option set to 1, 2 or 3.
Function : plat_get_syscnt_freq2() [mandatory]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

2
plat/arm/common/arm_common.mk
View file

@ -363,7 +363,7 @@ BL31_SOURCES += lib/extensions/ras/std_err_record.c \
endif
# Pointer Authentication sources
ifeq (${ENABLE_PAUTH}, 1)
ifeq ($(BRANCH_PROTECTION),$(filter $(BRANCH_PROTECTION),1 2 3))
PLAT_BL_COMMON_SOURCES += plat/arm/common/aarch64/arm_pauth.c
endif

5
plat/nuvoton/npcm845x/platform.mk
View file

@ -318,9 +318,8 @@ BL31_SOURCES += lib/extensions/ras/std_err_record.c \
endif
# Pointer Authentication sources
ifeq (${ENABLE_PAUTH}, 1)
PLAT_BL_COMMON_SOURCES += plat/arm/common/aarch64/arm_pauth.c \
lib/extensions/pauth/pauth_helpers.S
ifeq ($(BRANCH_PROTECTION),$(filter $(BRANCH_PROTECTION),1 2 3))
PLAT_BL_COMMON_SOURCES += plat/arm/common/aarch64/arm_pauth.c
endif
ifeq (${SPD},spmd)

3
plat/qemu/common/common.mk
View file

@ -149,9 +149,8 @@ $(error "This is an AArch64-only port; CTX_INCLUDE_AARCH32_REGS must be disabled
endif
# Pointer Authentication sources
ifeq (${ENABLE_PAUTH}, 1)
ifeq ($(BRANCH_PROTECTION),$(filter $(BRANCH_PROTECTION),1 2 3))
PLAT_BL_COMMON_SOURCES += plat/arm/common/aarch64/arm_pauth.c
CTX_INCLUDE_PAUTH_REGS := 1
endif
endif