mirror of
https://github.com/ARM-software/arm-trusted-firmware.git
synced 2025-04-18 02:24:18 +00:00
Merge "refactor(cpufeat): refactor arch feature build options" into integration
This commit is contained in:
Mark Dykes
TrustedFirmware Code Review
commit
57b557d038
4 changed files with 411 additions and 275 deletions
213
Makefile
213
Makefile
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@ -150,69 +150,6 @@ PYTHON ?= python3
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# Variables for use with documentation build using Sphinx tool
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# Variables for use with documentation build using Sphinx tool
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DOCS_PATH ?= docs
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DOCS_PATH ?= docs
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################################################################################
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# Process BRANCH_PROTECTION value and set
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# Pointer Authentication and Branch Target Identification flags
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################################################################################
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ifeq (${BRANCH_PROTECTION},0)
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# Default value turns off all types of branch protection
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BP_OPTION := none
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else ifneq (${ARCH},aarch64)
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$(error BRANCH_PROTECTION requires AArch64)
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else ifeq (${BRANCH_PROTECTION},1)
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# Enables all types of branch protection features
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BP_OPTION := standard
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ENABLE_BTI := 1
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ENABLE_PAUTH := 1
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else ifeq (${BRANCH_PROTECTION},2)
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# Return address signing to its standard level
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BP_OPTION := pac-ret
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ENABLE_PAUTH := 1
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else ifeq (${BRANCH_PROTECTION},3)
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# Extend the signing to include leaf functions
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BP_OPTION := pac-ret+leaf
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ENABLE_PAUTH := 1
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else ifeq (${BRANCH_PROTECTION},4)
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# Turn on branch target identification mechanism
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BP_OPTION := bti
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ENABLE_BTI := 1
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else
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$(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION})
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endif #(BRANCH_PROTECTION)
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################################################################################
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# RME dependent flags configuration
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################################################################################
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# FEAT_RME
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ifeq (${ENABLE_RME},1)
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# RME doesn't support PIE
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ifneq (${ENABLE_PIE},0)
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$(error ENABLE_RME does not support PIE)
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endif
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# RME doesn't support BRBE
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ifneq (${ENABLE_BRBE_FOR_NS},0)
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$(error ENABLE_RME does not support BRBE.)
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endif
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# RME requires AARCH64
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ifneq (${ARCH},aarch64)
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$(error ENABLE_RME requires AArch64)
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endif
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# RME requires el2 context to be saved for now.
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CTX_INCLUDE_EL2_REGS := 1
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CTX_INCLUDE_AARCH32_REGS := 0
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ARM_ARCH_MAJOR := 8
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ARM_ARCH_MINOR := 5
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ENABLE_FEAT_ECV = 1
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ENABLE_FEAT_FGT = 1
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CTX_INCLUDE_PAUTH_REGS := 1
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# RME enables CSV2_2 extension by default.
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ENABLE_FEAT_CSV2_2 = 1
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endif #(FEAT_RME)
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################################################################################
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################################################################################
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# Compiler Configuration based on ARCH_MAJOR and ARCH_MINOR flags
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# Compiler Configuration based on ARCH_MAJOR and ARCH_MINOR flags
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################################################################################
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################################################################################
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@ -228,39 +165,6 @@ endif #(ARM_ARCH_MAJOR)
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################################################################################
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################################################################################
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arch-features = ${ARM_ARCH_FEATURE}
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arch-features = ${ARM_ARCH_FEATURE}
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####################################################
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# Enable required options for Memory Stack Tagging.
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####################################################
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# Memory tagging is supported in architecture Armv8.5-A AArch64 and onwards
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ifeq ($(ARCH), aarch64)
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# Check if revision is greater than or equal to 8.5
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ifeq "8.5" "$(word 1, $(sort 8.5 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))"
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mem_tag_arch_support = yes
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endif
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endif #(ARCH=aarch64)
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# Currently, these options are enabled only for clang and armclang compiler.
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ifeq (${SUPPORT_STACK_MEMTAG},yes)
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ifdef mem_tag_arch_support
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# Check for armclang and clang compilers
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ifneq ( ,$(filter $(notdir $(CC)),armclang clang))
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# Add "memtag" architecture feature modifier if not specified
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ifeq ( ,$(findstring memtag,$(arch-features)))
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arch-features := $(arch-features)+memtag
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endif # memtag
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ifeq ($(notdir $(CC)),armclang)
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TF_CFLAGS += -mmemtag-stack
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else ifeq ($(notdir $(CC)),clang)
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TF_CFLAGS += -fsanitize=memtag
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endif # armclang
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endif
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else
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$(error "Error: stack memory tagging is not supported for \
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architecture ${ARCH},armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a")
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endif #(mem_tag_arch_support)
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endif #(SUPPORT_STACK_MEMTAG)
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# Set the compiler's architecture feature modifiers
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# Set the compiler's architecture feature modifiers
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ifneq ($(arch-features), none)
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ifneq ($(arch-features), none)
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# Strip "none+" from arch-features
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# Strip "none+" from arch-features
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@ -334,10 +238,6 @@ endif #(AARCH32_INSTRUCTION_SET)
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TF_CFLAGS_aarch32 += -mno-unaligned-access
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TF_CFLAGS_aarch32 += -mno-unaligned-access
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TF_CFLAGS_aarch64 += -mgeneral-regs-only -mstrict-align
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TF_CFLAGS_aarch64 += -mgeneral-regs-only -mstrict-align
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ifneq (${BP_OPTION},none)
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TF_CFLAGS_aarch64 += -mbranch-protection=${BP_OPTION}
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endif #(BP_OPTION)
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ASFLAGS += $(march-directive)
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ASFLAGS += $(march-directive)
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##############################################################################
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##############################################################################
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@ -500,6 +400,14 @@ DTC_FLAGS += -I dts -O dtb
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DTC_CPPFLAGS += -P -nostdinc -Iinclude -Ifdts -undef \
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DTC_CPPFLAGS += -P -nostdinc -Iinclude -Ifdts -undef \
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-x assembler-with-cpp $(DEFINES)
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-x assembler-with-cpp $(DEFINES)
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################################################################################
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# Setup ARCH_MAJOR/MINOR before parsing arch_features.
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################################################################################
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ifeq (${ENABLE_RME},1)
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ARM_ARCH_MAJOR := 8
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ARM_ARCH_MINOR := 6
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endif
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################################################################################
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################################################################################
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# Common sources and include directories
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# Common sources and include directories
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################################################################################
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################################################################################
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@ -519,13 +427,6 @@ BL_COMMON_SOURCES += common/bl_common.c \
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plat/common/${ARCH}/platform_helpers.S \
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plat/common/${ARCH}/platform_helpers.S \
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${COMPILER_RT_SRCS}
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${COMPILER_RT_SRCS}
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# Pointer Authentication sources
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ifeq (${ENABLE_PAUTH}, 1)
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||||||
# arm/common/aarch64/arm_pauth.c contains a sample platform hook to complete the
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||||||
# Pauth support. As it's not secure, it must be reimplemented for real platforms
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BL_COMMON_SOURCES += lib/extensions/pauth/pauth_helpers.S
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|
||||||
endif
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||||||
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||||||
ifeq ($(notdir $(CC)),armclang)
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ifeq ($(notdir $(CC)),armclang)
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BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S
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BL_COMMON_SOURCES += lib/${ARCH}/armclang_printf.S
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||||||
endif
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endif
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||||||
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@ -543,6 +444,104 @@ INCLUDES += -Iinclude \
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||||||
include common/backtrace/backtrace.mk
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include common/backtrace/backtrace.mk
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||||||
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################################################################################
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||||||
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# Process BRANCH_PROTECTION value and set
|
||||||
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# Pointer Authentication and Branch Target Identification flags
|
||||||
|
################################################################################
|
||||||
|
ifeq (${BRANCH_PROTECTION},0)
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||||||
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# Default value turns off all types of branch protection
|
||||||
|
BP_OPTION := none
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||||||
|
else ifneq (${ARCH},aarch64)
|
||||||
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$(error BRANCH_PROTECTION requires AArch64)
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||||||
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else ifeq (${BRANCH_PROTECTION},1)
|
||||||
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# Enables all types of branch protection features
|
||||||
|
BP_OPTION := standard
|
||||||
|
ENABLE_BTI := 1
|
||||||
|
ENABLE_PAUTH := 1
|
||||||
|
else ifeq (${BRANCH_PROTECTION},2)
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||||||
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# Return address signing to its standard level
|
||||||
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BP_OPTION := pac-ret
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||||||
|
ENABLE_PAUTH := 1
|
||||||
|
else ifeq (${BRANCH_PROTECTION},3)
|
||||||
|
# Extend the signing to include leaf functions
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||||||
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BP_OPTION := pac-ret+leaf
|
||||||
|
ENABLE_PAUTH := 1
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||||||
|
else ifeq (${BRANCH_PROTECTION},4)
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||||||
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# Turn on branch target identification mechanism
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||||||
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BP_OPTION := bti
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||||||
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ENABLE_BTI := 1
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||||||
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else
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||||||
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$(error Unknown BRANCH_PROTECTION value ${BRANCH_PROTECTION})
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||||||
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endif #(BRANCH_PROTECTION)
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||||||
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||||||
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ifeq ($(ENABLE_PAUTH),1)
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CTX_INCLUDE_PAUTH_REGS := 1
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endif
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ifneq (${BP_OPTION},none)
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TF_CFLAGS_aarch64 += -mbranch-protection=${BP_OPTION}
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endif #(BP_OPTION)
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||||||
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# Pointer Authentication sources
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||||||
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ifeq (${ENABLE_PAUTH}, 1)
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||||||
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# arm/common/aarch64/arm_pauth.c contains a sample platform hook to complete the
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||||||
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# Pauth support. As it's not secure, it must be reimplemented for real platforms
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||||||
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BL_COMMON_SOURCES += lib/extensions/pauth/pauth_helpers.S
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||||||
|
endif
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||||||
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|
||||||
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####################################################
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||||||
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# Enable required options for Memory Stack Tagging.
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||||||
|
####################################################
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||||||
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|
||||||
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# Currently, these options are enabled only for clang and armclang compiler.
|
||||||
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ifeq (${SUPPORT_STACK_MEMTAG},yes)
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|
ifdef mem_tag_arch_support
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|
# Check for armclang and clang compilers
|
||||||
|
ifneq ( ,$(filter $(notdir $(CC)),armclang clang))
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||||||
|
# Add "memtag" architecture feature modifier if not specified
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||||||
|
ifeq ( ,$(findstring memtag,$(arch-features)))
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|
arch-features := $(arch-features)+memtag
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|
endif # memtag
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|
ifeq ($(notdir $(CC)),armclang)
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|
TF_CFLAGS += -mmemtag-stack
|
||||||
|
else ifeq ($(notdir $(CC)),clang)
|
||||||
|
TF_CFLAGS += -fsanitize=memtag
|
||||||
|
endif # armclang
|
||||||
|
endif
|
||||||
|
else
|
||||||
|
$(error "Error: stack memory tagging is not supported for \
|
||||||
|
architecture ${ARCH},armv${ARM_ARCH_MAJOR}.${ARM_ARCH_MINOR}-a")
|
||||||
|
endif #(mem_tag_arch_support)
|
||||||
|
endif #(SUPPORT_STACK_MEMTAG)
|
||||||
|
|
||||||
|
################################################################################
|
||||||
|
# RME dependent flags configuration, Enable optional features for RME.
|
||||||
|
################################################################################
|
||||||
|
# FEAT_RME
|
||||||
|
ifeq (${ENABLE_RME},1)
|
||||||
|
# RME doesn't support PIE
|
||||||
|
ifneq (${ENABLE_PIE},0)
|
||||||
|
$(error ENABLE_RME does not support PIE)
|
||||||
|
endif
|
||||||
|
|
||||||
|
# RME doesn't support BRBE
|
||||||
|
ifneq (${ENABLE_BRBE_FOR_NS},0)
|
||||||
|
$(error ENABLE_RME does not support BRBE.)
|
||||||
|
endif
|
||||||
|
|
||||||
|
# RME requires AARCH64
|
||||||
|
ifneq (${ARCH},aarch64)
|
||||||
|
$(error ENABLE_RME requires AArch64)
|
||||||
|
endif
|
||||||
|
|
||||||
|
# RME requires el2 context to be saved for now.
|
||||||
|
CTX_INCLUDE_EL2_REGS := 1
|
||||||
|
CTX_INCLUDE_AARCH32_REGS := 0
|
||||||
|
CTX_INCLUDE_PAUTH_REGS := 1
|
||||||
|
|
||||||
|
# RME enables CSV2_2 extension by default.
|
||||||
|
ENABLE_FEAT_CSV2_2 = 1
|
||||||
|
endif #(FEAT_RME)
|
||||||
|
|
||||||
################################################################################
|
################################################################################
|
||||||
# Generic definitions
|
# Generic definitions
|
||||||
################################################################################
|
################################################################################
|
||||||
|
|
|
||||||
|
|
@ -3463,6 +3463,15 @@ build system.
|
||||||
to ``no``. If any of the options ``EL3_PAYLOAD_BASE`` or ``PRELOADED_BL33_BASE``
|
to ``no``. If any of the options ``EL3_PAYLOAD_BASE`` or ``PRELOADED_BL33_BASE``
|
||||||
are used, this flag will be set to ``no`` automatically.
|
are used, this flag will be set to ``no`` automatically.
|
||||||
|
|
||||||
|
- **ARM_ARCH_MAJOR and ARM_ARCH_MINOR**
|
||||||
|
By default, ARM_ARCH_MAJOR.ARM_ARCH_MINOR is set to 8.0 in ``defaults.mk``,
|
||||||
|
if the platform makefile/build defines or uses the correct ARM_ARCH_MAJOR and
|
||||||
|
ARM_ARCH_MINOR then mandatory Architectural features available for that Arch
|
||||||
|
version will be enabled by default and any optional Arch feature supported by
|
||||||
|
the Architecture and available in TF-A can be enabled from platform specific
|
||||||
|
makefile. Look up to ``arch_features.mk`` for details pertaining to mandatory
|
||||||
|
and optional Arch specific features.
|
||||||
|
|
||||||
Platform include paths
|
Platform include paths
|
||||||
----------------------
|
----------------------
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -1,41 +1,324 @@
|
||||||
#
|
#
|
||||||
# Copyright (c) 2022, Arm Limited. All rights reserved.
|
# Copyright (c) 2022-2023, Arm Limited. All rights reserved.
|
||||||
#
|
#
|
||||||
# SPDX-License-Identifier: BSD-3-Clause
|
# SPDX-License-Identifier: BSD-3-Clause
|
||||||
#
|
#
|
||||||
|
|
||||||
# This file lists all the checks related to the Architectural Feature
|
# This file lists all of the architectural features, and initializes
|
||||||
# Enablement flags, based on the Architectural version.
|
# and enables them based on the configured architecture version.
|
||||||
|
|
||||||
|
# This file follows the following format:
|
||||||
|
# - By default disable any mandatory features.
|
||||||
|
# - Then Enable mandatory feature if applicable to an Arch Version.
|
||||||
|
# - Disable or enable any optional feature this would be enabled/disabled if needed by platform.
|
||||||
|
|
||||||
|
#
|
||||||
|
################################################################################
|
||||||
|
# Set mandatory features by default to zero.
|
||||||
|
################################################################################
|
||||||
|
#
|
||||||
|
|
||||||
|
#----
|
||||||
|
# 8.1
|
||||||
|
#----
|
||||||
|
|
||||||
|
# Flag to enable access to Privileged Access Never bit of PSTATE.
|
||||||
|
ENABLE_FEAT_PAN := 0
|
||||||
|
|
||||||
|
# Flag to enable Virtualization Host Extensions.
|
||||||
|
ENABLE_FEAT_VHE := 0
|
||||||
|
|
||||||
|
#----
|
||||||
|
# 8.2
|
||||||
|
#----
|
||||||
|
|
||||||
|
# Enable RAS Support.
|
||||||
|
ENABLE_FEAT_RAS := 0
|
||||||
|
|
||||||
|
#----
|
||||||
|
# 8.3
|
||||||
|
#----
|
||||||
|
|
||||||
|
# Flag to enable Pointer Authentication. Internal flag not meant for
|
||||||
|
# direct setting. Use BRANCH_PROTECTION to enable PAUTH.
|
||||||
|
ENABLE_PAUTH := 0
|
||||||
|
|
||||||
|
# Include pointer authentication (ARMv8.3-PAuth) registers in cpu context. This
|
||||||
|
# must be set to 1 if the platform wants to use this feature in the Secure
|
||||||
|
# world. It is not necessary for use in the Non-secure world.
|
||||||
|
CTX_INCLUDE_PAUTH_REGS := 0
|
||||||
|
|
||||||
|
#----
|
||||||
|
# 8.4
|
||||||
|
#----
|
||||||
|
|
||||||
|
# Flag to enable Secure EL-2 feature.
|
||||||
|
ENABLE_FEAT_SEL2 := 0
|
||||||
|
|
||||||
|
# Include nested virtualization control (Armv8.4-NV) registers in cpu context.
|
||||||
|
# This must be set to 1 if architecture implements Nested Virtualization
|
||||||
|
# Extension and platform wants to use this feature in the Secure world.
|
||||||
|
CTX_INCLUDE_NEVE_REGS := 0
|
||||||
|
|
||||||
|
# By default, disable trace filter control register access to lower non-secure
|
||||||
|
# exception levels, i.e. NS-EL2, or NS-EL1 if NS-EL2 is implemented, but
|
||||||
|
# trace filter control register access is unused if FEAT_TRF is implemented.
|
||||||
|
ENABLE_TRF_FOR_NS := 0
|
||||||
|
|
||||||
|
# Flag to enable Data Independent Timing instructions.
|
||||||
|
ENABLE_FEAT_DIT := 0
|
||||||
|
|
||||||
|
#----
|
||||||
|
# 8.5
|
||||||
|
#----
|
||||||
|
|
||||||
|
# Flag to enable access to the Random Number Generator registers.
|
||||||
|
ENABLE_FEAT_RNG := 0
|
||||||
|
|
||||||
|
# Flag to enable Speculation Barrier Instruction.
|
||||||
|
ENABLE_FEAT_SB := 0
|
||||||
|
|
||||||
|
# Flag to enable Branch Target Identification.
|
||||||
|
# Internal flag not meant for direct setting.
|
||||||
|
# Use BRANCH_PROTECTION to enable BTI.
|
||||||
|
ENABLE_BTI := 0
|
||||||
|
|
||||||
|
#----
|
||||||
|
# 8.6
|
||||||
|
#----
|
||||||
|
|
||||||
|
# Flag to enable access to the CNTPOFF_EL2 register.
|
||||||
|
ENABLE_FEAT_ECV := 0
|
||||||
|
|
||||||
|
# Flag to enable access to the HDFGRTR_EL2 register.
|
||||||
|
ENABLE_FEAT_FGT := 0
|
||||||
|
|
||||||
|
#----
|
||||||
|
# 8.7
|
||||||
|
#----
|
||||||
|
|
||||||
|
# Flag to enable access to the HCRX_EL2 register by setting SCR_EL3.HXEn.
|
||||||
|
ENABLE_FEAT_HCX := 0
|
||||||
|
|
||||||
|
#----
|
||||||
|
# 8.9
|
||||||
|
#----
|
||||||
|
|
||||||
|
# Flag to enable access to TCR2 (FEAT_TCR2).
|
||||||
|
ENABLE_FEAT_TCR2 := 0
|
||||||
|
|
||||||
|
#
|
||||||
|
################################################################################
|
||||||
|
# Enable Mandatory features based on Arch versions.
|
||||||
|
################################################################################
|
||||||
|
#
|
||||||
|
|
||||||
# Enable the features which are mandatory from ARCH version 8.1 and upwards.
|
# Enable the features which are mandatory from ARCH version 8.1 and upwards.
|
||||||
ifeq "8.1" "$(word 1, $(sort 8.1 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))"
|
ifeq "8.1" "$(word 1, $(sort 8.1 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))"
|
||||||
ENABLE_FEAT_PAN = 1
|
ENABLE_FEAT_PAN := 1
|
||||||
ENABLE_FEAT_VHE = 1
|
ENABLE_FEAT_VHE := 1
|
||||||
endif
|
endif
|
||||||
|
|
||||||
# Enable the features which are mandatory from ARCH version 8.2 and upwards.
|
# Enable the features which are mandatory from ARCH version 8.2 and upwards.
|
||||||
ifeq "8.2" "$(word 1, $(sort 8.2 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))"
|
ifeq "8.2" "$(word 1, $(sort 8.2 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))"
|
||||||
ENABLE_FEAT_RAS = 1
|
ENABLE_FEAT_RAS := 1
|
||||||
endif
|
endif
|
||||||
|
|
||||||
# Enable the features which are mandatory from ARCH version 8.4 and upwards.
|
# Enable the features which are mandatory from ARCH version 8.4 and upwards.
|
||||||
ifeq "8.4" "$(word 1, $(sort 8.4 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))"
|
ifeq "8.4" "$(word 1, $(sort 8.4 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))"
|
||||||
ENABLE_FEAT_DIT = 1
|
ENABLE_FEAT_SEL2 := 1
|
||||||
ENABLE_FEAT_SEL2 = 1
|
CTX_INCLUDE_NEVE_REGS := 1
|
||||||
|
ENABLE_TRF_FOR_NS := 1
|
||||||
|
ENABLE_FEAT_DIT := 1
|
||||||
endif
|
endif
|
||||||
|
|
||||||
# Enable the features which are mandatory from ARCH version 8.5 and upwards.
|
# Enable the features which are mandatory from ARCH version 8.5 and upwards.
|
||||||
ifeq "8.5" "$(word 1, $(sort 8.5 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))"
|
ifeq "8.5" "$(word 1, $(sort 8.5 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))"
|
||||||
ENABLE_FEAT_SB = 1
|
ENABLE_FEAT_RNG := 1
|
||||||
|
ENABLE_FEAT_SB := 1
|
||||||
|
|
||||||
|
# Enable Memory tagging, Branch Target Identification for aarch64 only.
|
||||||
|
ifeq ($(ARCH), aarch64)
|
||||||
|
mem_tag_arch_support := yes
|
||||||
|
endif #(ARCH=aarch64)
|
||||||
|
|
||||||
endif
|
endif
|
||||||
|
|
||||||
# Enable the features which are mandatory from ARCH version 8.6 and upwards.
|
# Enable the features which are mandatory from ARCH version 8.6 and upwards.
|
||||||
ifeq "8.6" "$(word 1, $(sort 8.6 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))"
|
ifeq "8.6" "$(word 1, $(sort 8.6 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))"
|
||||||
ENABLE_FEAT_FGT = 1
|
ENABLE_FEAT_ECV := 1
|
||||||
ENABLE_FEAT_ECV = 1
|
ENABLE_FEAT_FGT := 1
|
||||||
endif
|
endif
|
||||||
|
|
||||||
# Enable the features which are mandatory from ARCH version 8.7 and upwards.
|
# Enable the features which are mandatory from ARCH version 8.7 and upwards.
|
||||||
ifeq "8.7" "$(word 1, $(sort 8.7 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))"
|
ifeq "8.7" "$(word 1, $(sort 8.7 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))"
|
||||||
ENABLE_FEAT_HCX = 1
|
ENABLE_FEAT_HCX := 1
|
||||||
endif
|
endif
|
||||||
|
|
||||||
|
# Enable the features which are mandatory from ARCH version 8.9 and upwards.
|
||||||
|
ifeq "8.9" "$(word 1, $(sort 8.9 $(ARM_ARCH_MAJOR).$(ARM_ARCH_MINOR)))"
|
||||||
|
ENABLE_FEAT_TCR2 := 1
|
||||||
|
endif
|
||||||
|
|
||||||
|
#
|
||||||
|
################################################################################
|
||||||
|
# Optional Features defaulted to 0 or 2, if they are not enabled from
|
||||||
|
# build option. Can also be disabled or enabled by platform if needed.
|
||||||
|
################################################################################
|
||||||
|
#
|
||||||
|
|
||||||
|
#----
|
||||||
|
# 8.0
|
||||||
|
#----
|
||||||
|
|
||||||
|
# Flag to enable CSV2_2 extension.
|
||||||
|
ENABLE_FEAT_CSV2_2 ?= 0
|
||||||
|
|
||||||
|
# By default, disable access of trace system registers from NS lower
|
||||||
|
# ELs i.e. NS-EL2, or NS-EL1 if NS-EL2 implemented but unused if
|
||||||
|
# system register trace is implemented. This feature is available if
|
||||||
|
# trace unit such as ETMv4.x, This feature is OPTIONAL and is only
|
||||||
|
# permitted in Armv8 implementations.
|
||||||
|
ENABLE_SYS_REG_TRACE_FOR_NS ?= 0
|
||||||
|
|
||||||
|
#----
|
||||||
|
# 8.2
|
||||||
|
#----
|
||||||
|
|
||||||
|
# Build option to enable/disable the Statistical Profiling Extension,
|
||||||
|
# keep it enabled by default for AArch64.
|
||||||
|
ifeq (${ARCH},aarch64)
|
||||||
|
ENABLE_SPE_FOR_NS ?= 2
|
||||||
|
else ifeq (${ARCH},aarch32)
|
||||||
|
ifdef ENABLE_SPE_FOR_NS
|
||||||
|
$(error ENABLE_SPE_FOR_NS is not supported for AArch32)
|
||||||
|
else
|
||||||
|
ENABLE_SPE_FOR_NS := 0
|
||||||
|
endif
|
||||||
|
endif
|
||||||
|
|
||||||
|
# Enable SVE for non-secure world by default.
|
||||||
|
ifeq (${ARCH},aarch64)
|
||||||
|
ENABLE_SVE_FOR_NS ?= 2
|
||||||
|
# SVE is only supported on AArch64 so disable it on AArch32.
|
||||||
|
else ifeq (${ARCH},aarch32)
|
||||||
|
ifdef ENABLE_SVE_FOR_NS
|
||||||
|
$(error ENABLE_SVE_FOR_NS is not supported for AArch32)
|
||||||
|
else
|
||||||
|
ENABLE_SVE_FOR_NS := 0
|
||||||
|
endif
|
||||||
|
endif
|
||||||
|
|
||||||
|
#----
|
||||||
|
# 8.4
|
||||||
|
#----
|
||||||
|
|
||||||
|
# Feature flags for supporting Activity monitor extensions.
|
||||||
|
ENABLE_FEAT_AMU ?= 0
|
||||||
|
ENABLE_AMU_AUXILIARY_COUNTERS ?= 0
|
||||||
|
ENABLE_AMU_FCONF ?= 0
|
||||||
|
AMU_RESTRICT_COUNTERS ?= 0
|
||||||
|
|
||||||
|
# Build option to enable MPAM for lower ELs.
|
||||||
|
ENABLE_MPAM_FOR_LOWER_ELS ?= 0
|
||||||
|
|
||||||
|
#----
|
||||||
|
# 8.5
|
||||||
|
#----
|
||||||
|
|
||||||
|
# Flag to enable support for EL3 trapping of reads of the RNDR and RNDRRS
|
||||||
|
# registers, by setting SCR_EL3.TRNDR.
|
||||||
|
ENABLE_FEAT_RNG_TRAP ?= 0
|
||||||
|
|
||||||
|
# Include Memory Tagging Extension registers in cpu context. This must be set
|
||||||
|
# to 1 if the platform wants to use this feature in the Secure world and MTE is
|
||||||
|
# enabled at ELX.
|
||||||
|
CTX_INCLUDE_MTE_REGS ?= 0
|
||||||
|
|
||||||
|
#----
|
||||||
|
# 8.6
|
||||||
|
#----
|
||||||
|
|
||||||
|
# Flag to enable AMUv1p1 extension.
|
||||||
|
ENABLE_FEAT_AMUv1p1 ?= 0
|
||||||
|
|
||||||
|
# Flag to enable delayed trapping of WFE instruction (FEAT_TWED).
|
||||||
|
ENABLE_FEAT_TWED ?= 0
|
||||||
|
|
||||||
|
# In v8.6+ platforms with delayed trapping of WFE being supported
|
||||||
|
# via FEAT_TWED, this flag takes the delay value to be set in the
|
||||||
|
# SCR_EL3.TWEDEL(4bit) field, when FEAT_TWED is implemented.
|
||||||
|
# By default it takes 0, and need to be updated by the platforms.
|
||||||
|
TWED_DELAY ?= 0
|
||||||
|
|
||||||
|
# Disable MTPMU if FEAT_MTPMU is supported.
|
||||||
|
DISABLE_MTPMU ?= 0
|
||||||
|
|
||||||
|
#----
|
||||||
|
# 8.9
|
||||||
|
#----
|
||||||
|
|
||||||
|
# Flag to enable NoTagAccess memory region attribute for stage 2 of translation.
|
||||||
|
ENABLE_FEAT_MTE_PERM ?= 0
|
||||||
|
|
||||||
|
# Flag to enable access to Stage 2 Permission Indirection (FEAT_S2PIE).
|
||||||
|
ENABLE_FEAT_S2PIE ?= 0
|
||||||
|
|
||||||
|
# Flag to enable access to Stage 1 Permission Indirection (FEAT_S1PIE).
|
||||||
|
ENABLE_FEAT_S1PIE ?= 0
|
||||||
|
|
||||||
|
# Flag to enable access to Stage 2 Permission Overlay (FEAT_S2POE).
|
||||||
|
ENABLE_FEAT_S2POE ?= 0
|
||||||
|
|
||||||
|
# Flag to enable access to Stage 1 Permission Overlay (FEAT_S1POE).
|
||||||
|
ENABLE_FEAT_S1POE ?= 0
|
||||||
|
|
||||||
|
#----
|
||||||
|
# 9.0
|
||||||
|
#----
|
||||||
|
|
||||||
|
# Flag to enable Realm Management Extension (FEAT_RME).
|
||||||
|
ENABLE_RME ?= 0
|
||||||
|
|
||||||
|
# Scalable Matrix Extension for non-secure world.
|
||||||
|
ENABLE_SME_FOR_NS ?= 0
|
||||||
|
|
||||||
|
# Scalable Vector Extension for secure world.
|
||||||
|
ENABLE_SVE_FOR_SWD ?= 0
|
||||||
|
|
||||||
|
# By default, disable access of trace buffer control registers from NS
|
||||||
|
# lower ELs i.e. NS-EL2, or NS-EL1 if NS-EL2 implemented but unused
|
||||||
|
# if FEAT_TRBE is implemented.
|
||||||
|
# Note FEAT_TRBE is only supported on AArch64 - therefore do not enable in
|
||||||
|
# AArch32.
|
||||||
|
ifeq (${ARCH},aarch64)
|
||||||
|
ENABLE_TRBE_FOR_NS ?= 0
|
||||||
|
else ifeq (${ARCH},aarch32)
|
||||||
|
ifdef ENABLE_TRBE_FOR_NS
|
||||||
|
$(error ENABLE_TRBE_FOR_NS is not supported for AArch32)
|
||||||
|
else
|
||||||
|
ENABLE_TRBE_FOR_NS := 0
|
||||||
|
endif
|
||||||
|
endif
|
||||||
|
|
||||||
|
#----
|
||||||
|
# 9.2
|
||||||
|
#----
|
||||||
|
|
||||||
|
# Scalable Matrix Extension version 2 for non-secure world.
|
||||||
|
ENABLE_SME2_FOR_NS ?= 0
|
||||||
|
|
||||||
|
# Scalable Matrix Extension for secure world.
|
||||||
|
ENABLE_SME_FOR_SWD ?= 0
|
||||||
|
|
||||||
|
# By default, disable access to branch record buffer control registers from NS
|
||||||
|
# lower ELs i.e. NS-EL2, or NS-EL1 if NS-EL2 implemented but unused
|
||||||
|
# if FEAT_BRBE is implemented.
|
||||||
|
ENABLE_BRBE_FOR_NS ?= 0
|
||||||
|
|
||||||
|
#----
|
||||||
|
#9.4
|
||||||
|
#----
|
||||||
|
|
||||||
|
# Flag to enable access to Guarded Control Stack (FEAT_GCS).
|
||||||
|
ENABLE_FEAT_GCS ?= 0
|
||||||
|
|
|
||||||
|
|
@ -63,16 +63,6 @@ CTX_INCLUDE_AARCH32_REGS := 1
|
||||||
# Include FP registers in cpu context
|
# Include FP registers in cpu context
|
||||||
CTX_INCLUDE_FPREGS := 0
|
CTX_INCLUDE_FPREGS := 0
|
||||||
|
|
||||||
# Include pointer authentication (ARMv8.3-PAuth) registers in cpu context. This
|
|
||||||
# must be set to 1 if the platform wants to use this feature in the Secure
|
|
||||||
# world. It is not needed to use it in the Non-secure world.
|
|
||||||
CTX_INCLUDE_PAUTH_REGS := 0
|
|
||||||
|
|
||||||
# Include Nested virtualization control (Armv8.4-NV) registers in cpu context.
|
|
||||||
# This must be set to 1 if architecture implements Nested Virtualization
|
|
||||||
# Extension and platform wants to use this feature in the Secure world
|
|
||||||
CTX_INCLUDE_NEVE_REGS := 0
|
|
||||||
|
|
||||||
# Debug build
|
# Debug build
|
||||||
DEBUG := 0
|
DEBUG := 0
|
||||||
|
|
||||||
|
|
@ -85,17 +75,10 @@ DEFAULT_PLAT := fvp
|
||||||
# Disable the generation of the binary image (ELF only).
|
# Disable the generation of the binary image (ELF only).
|
||||||
DISABLE_BIN_GENERATION := 0
|
DISABLE_BIN_GENERATION := 0
|
||||||
|
|
||||||
# Disable MTPMU if FEAT_MTPMU is supported. Default is 0 to keep backwards
|
|
||||||
# compatibility.
|
|
||||||
DISABLE_MTPMU := 0
|
|
||||||
|
|
||||||
# Enable capability to disable authentication dynamically. Only meant for
|
# Enable capability to disable authentication dynamically. Only meant for
|
||||||
# development platforms.
|
# development platforms.
|
||||||
DYN_DISABLE_AUTH := 0
|
DYN_DISABLE_AUTH := 0
|
||||||
|
|
||||||
# Build option to enable MPAM for lower ELs
|
|
||||||
ENABLE_MPAM_FOR_LOWER_ELS := 0
|
|
||||||
|
|
||||||
# Enable the Maximum Power Mitigation Mechanism on supporting cores.
|
# Enable the Maximum Power Mitigation Mechanism on supporting cores.
|
||||||
ENABLE_MPMM := 0
|
ENABLE_MPMM := 0
|
||||||
|
|
||||||
|
|
@ -111,9 +94,6 @@ ENABLE_PMF := 0
|
||||||
# Flag to enable PSCI STATs functionality
|
# Flag to enable PSCI STATs functionality
|
||||||
ENABLE_PSCI_STAT := 0
|
ENABLE_PSCI_STAT := 0
|
||||||
|
|
||||||
# Flag to enable Realm Management Extension (FEAT_RME)
|
|
||||||
ENABLE_RME := 0
|
|
||||||
|
|
||||||
# Flag to enable runtime instrumentation using PMF
|
# Flag to enable runtime instrumentation using PMF
|
||||||
ENABLE_RUNTIME_INSTRUMENTATION := 0
|
ENABLE_RUNTIME_INSTRUMENTATION := 0
|
||||||
|
|
||||||
|
|
@ -123,77 +103,6 @@ ENABLE_STACK_PROTECTOR := 0
|
||||||
# Flag to enable exception handling in EL3
|
# Flag to enable exception handling in EL3
|
||||||
EL3_EXCEPTION_HANDLING := 0
|
EL3_EXCEPTION_HANDLING := 0
|
||||||
|
|
||||||
# Flag to enable Branch Target Identification.
|
|
||||||
# Internal flag not meant for direct setting.
|
|
||||||
# Use BRANCH_PROTECTION to enable BTI.
|
|
||||||
ENABLE_BTI := 0
|
|
||||||
|
|
||||||
# Flag to enable Pointer Authentication.
|
|
||||||
# Internal flag not meant for direct setting.
|
|
||||||
# Use BRANCH_PROTECTION to enable PAUTH.
|
|
||||||
ENABLE_PAUTH := 0
|
|
||||||
|
|
||||||
# Flag to enable AMUv1p1 extension.
|
|
||||||
ENABLE_FEAT_AMUv1p1 := 0
|
|
||||||
|
|
||||||
# Flag to enable CSV2_2 extension.
|
|
||||||
ENABLE_FEAT_CSV2_2 := 0
|
|
||||||
|
|
||||||
# Flag to enable access to the HCRX_EL2 register by setting SCR_EL3.HXEn.
|
|
||||||
ENABLE_FEAT_HCX := 0
|
|
||||||
|
|
||||||
# Flag to enable access to the HDFGRTR_EL2 register
|
|
||||||
ENABLE_FEAT_FGT := 0
|
|
||||||
|
|
||||||
# Flag to enable access to the CNTPOFF_EL2 register
|
|
||||||
ENABLE_FEAT_ECV := 0
|
|
||||||
|
|
||||||
# Flag to enable use of the DIT feature.
|
|
||||||
ENABLE_FEAT_DIT := 0
|
|
||||||
|
|
||||||
# Flag to enable access to Privileged Access Never bit of PSTATE.
|
|
||||||
ENABLE_FEAT_PAN := 0
|
|
||||||
|
|
||||||
# Flag to enable access to the Random Number Generator registers
|
|
||||||
ENABLE_FEAT_RNG := 0
|
|
||||||
|
|
||||||
# Flag to enable support for EL3 trapping of reads of the RNDR and RNDRRS
|
|
||||||
# registers, by setting SCR_EL3.TRNDR.
|
|
||||||
ENABLE_FEAT_RNG_TRAP := 0
|
|
||||||
|
|
||||||
# Flag to enable Speculation Barrier Instruction
|
|
||||||
ENABLE_FEAT_SB := 0
|
|
||||||
|
|
||||||
# Flag to enable Secure EL-2 feature.
|
|
||||||
ENABLE_FEAT_SEL2 := 0
|
|
||||||
|
|
||||||
# Flag to enable Virtualization Host Extensions
|
|
||||||
ENABLE_FEAT_VHE := 0
|
|
||||||
|
|
||||||
# Flag to enable delayed trapping of WFE instruction (FEAT_TWED)
|
|
||||||
ENABLE_FEAT_TWED := 0
|
|
||||||
|
|
||||||
# Flag to enable access to TCR2 (FEAT_TCR2)
|
|
||||||
ENABLE_FEAT_TCR2 := 0
|
|
||||||
|
|
||||||
# Flag to enable access to Stage 2 Permission Indirection (FEAT_S2PIE)
|
|
||||||
ENABLE_FEAT_S2PIE := 0
|
|
||||||
|
|
||||||
# Flag to enable access to Stage 1 Permission Indirection (FEAT_S1PIE)
|
|
||||||
ENABLE_FEAT_S1PIE := 0
|
|
||||||
|
|
||||||
# Flag to enable access to Stage 2 Permission Overlay (FEAT_S2POE)
|
|
||||||
ENABLE_FEAT_S2POE := 0
|
|
||||||
|
|
||||||
# Flag to enable access to Stage 1 Permission Overlay (FEAT_S1POE)
|
|
||||||
ENABLE_FEAT_S1POE := 0
|
|
||||||
|
|
||||||
# Flag to enable access to Guarded Control Stack (FEAT_GCS)
|
|
||||||
ENABLE_FEAT_GCS := 0
|
|
||||||
|
|
||||||
# Flag to enable NoTagAccess memory region attribute for stage 2 of translation.
|
|
||||||
ENABLE_FEAT_MTE_PERM := 0
|
|
||||||
|
|
||||||
# By default BL31 encryption disabled
|
# By default BL31 encryption disabled
|
||||||
ENCRYPT_BL31 := 0
|
ENCRYPT_BL31 := 0
|
||||||
|
|
||||||
|
|
@ -279,8 +188,7 @@ PSCI_EXTENDED_STATE_ID := 0
|
||||||
# Enable PSCI OS-initiated mode support
|
# Enable PSCI OS-initiated mode support
|
||||||
PSCI_OS_INIT_MODE := 0
|
PSCI_OS_INIT_MODE := 0
|
||||||
|
|
||||||
# Enable RAS Support
|
# Enable RAS Firmware First Handling Support
|
||||||
ENABLE_FEAT_RAS := 0
|
|
||||||
RAS_FFH_SUPPORT := 0
|
RAS_FFH_SUPPORT := 0
|
||||||
|
|
||||||
# By default, BL1 acts as the reset handler, not BL31
|
# By default, BL1 acts as the reset handler, not BL31
|
||||||
|
|
@ -379,40 +287,9 @@ V := 0
|
||||||
# platforms).
|
# platforms).
|
||||||
WARMBOOT_ENABLE_DCACHE_EARLY := 0
|
WARMBOOT_ENABLE_DCACHE_EARLY := 0
|
||||||
|
|
||||||
# Build option to enable/disable the Statistical Profiling Extensions
|
|
||||||
ENABLE_SPE_FOR_NS := 2
|
|
||||||
|
|
||||||
# SPE is only supported on AArch64 so disable it on AArch32.
|
|
||||||
ifeq (${ARCH},aarch32)
|
|
||||||
override ENABLE_SPE_FOR_NS := 0
|
|
||||||
endif
|
|
||||||
|
|
||||||
# Include Memory Tagging Extension registers in cpu context. This must be set
|
|
||||||
# to 1 if the platform wants to use this feature in the Secure world and MTE is
|
|
||||||
# enabled at ELX.
|
|
||||||
CTX_INCLUDE_MTE_REGS := 0
|
|
||||||
|
|
||||||
ENABLE_FEAT_AMU := 0
|
|
||||||
ENABLE_AMU_AUXILIARY_COUNTERS := 0
|
|
||||||
ENABLE_AMU_FCONF := 0
|
|
||||||
AMU_RESTRICT_COUNTERS := 0
|
|
||||||
|
|
||||||
# Enable SVE for non-secure world by default
|
|
||||||
ENABLE_SVE_FOR_NS := 2
|
|
||||||
# SVE is only supported on AArch64 so disable it on AArch32.
|
|
||||||
ifeq (${ARCH},aarch32)
|
|
||||||
override ENABLE_SVE_FOR_NS := 0
|
|
||||||
endif
|
|
||||||
ENABLE_SVE_FOR_SWD := 0
|
|
||||||
|
|
||||||
# Default SVE vector length to maximum architected value
|
# Default SVE vector length to maximum architected value
|
||||||
SVE_VECTOR_LEN := 2048
|
SVE_VECTOR_LEN := 2048
|
||||||
|
|
||||||
# SME defaults to disabled
|
|
||||||
ENABLE_SME_FOR_NS := 0
|
|
||||||
ENABLE_SME_FOR_SWD := 0
|
|
||||||
ENABLE_SME2_FOR_NS := 0
|
|
||||||
|
|
||||||
SANITIZE_UB := off
|
SANITIZE_UB := off
|
||||||
|
|
||||||
# For ARMv8.1 (AArch64) platforms, enabling this option selects the spinlock
|
# For ARMv8.1 (AArch64) platforms, enabling this option selects the spinlock
|
||||||
|
|
@ -467,38 +344,6 @@ NR_OF_IMAGES_IN_FW_BANK := 1
|
||||||
# Disable Firmware update support by default
|
# Disable Firmware update support by default
|
||||||
PSA_FWU_SUPPORT := 0
|
PSA_FWU_SUPPORT := 0
|
||||||
|
|
||||||
# By default, disable access of trace buffer control registers from NS
|
|
||||||
# lower ELs i.e. NS-EL2, or NS-EL1 if NS-EL2 implemented but unused
|
|
||||||
# if FEAT_TRBE is implemented.
|
|
||||||
# Note FEAT_TRBE is only supported on AArch64 - therefore do not enable in
|
|
||||||
# AArch32.
|
|
||||||
ifneq (${ARCH},aarch32)
|
|
||||||
ENABLE_TRBE_FOR_NS := 0
|
|
||||||
else
|
|
||||||
override ENABLE_TRBE_FOR_NS := 0
|
|
||||||
endif
|
|
||||||
|
|
||||||
# By default, disable access to branch record buffer control registers from NS
|
|
||||||
# lower ELs i.e. NS-EL2, or NS-EL1 if NS-EL2 implemented but unused
|
|
||||||
# if FEAT_BRBE is implemented.
|
|
||||||
ENABLE_BRBE_FOR_NS := 0
|
|
||||||
|
|
||||||
# By default, disable access of trace system registers from NS lower
|
|
||||||
# ELs i.e. NS-EL2, or NS-EL1 if NS-EL2 implemented but unused if
|
|
||||||
# system register trace is implemented.
|
|
||||||
ENABLE_SYS_REG_TRACE_FOR_NS := 0
|
|
||||||
|
|
||||||
# By default, disable trace filter control registers access to NS
|
|
||||||
# lower ELs, i.e. NS-EL2, or NS-EL1 if NS-EL2 implemented but unused
|
|
||||||
# if FEAT_TRF is implemented.
|
|
||||||
ENABLE_TRF_FOR_NS := 0
|
|
||||||
|
|
||||||
# In v8.6+ platforms with delayed trapping of WFE being supported
|
|
||||||
# via FEAT_TWED, this flag takes the delay value to be set in the
|
|
||||||
# SCR_EL3.TWEDEL(4bit) field, when FEAT_TWED is implemented.
|
|
||||||
# By default it takes 0, and need to be updated by the platforms.
|
|
||||||
TWED_DELAY := 0
|
|
||||||
|
|
||||||
# By default, disable the mocking of RSS provided services
|
# By default, disable the mocking of RSS provided services
|
||||||
PLAT_RSS_NOT_SUPPORTED := 0
|
PLAT_RSS_NOT_SUPPORTED := 0
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Add table
Reference in a new issue