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- # ARM64-specific directories containing source files
- #
- SRCDIRS += arch/arm64/core
-
- # ARM64-specific flags
- #
- CFLAGS += -mlittle-endian -mcmodel=small
- CFLAGS += -fomit-frame-pointer
- ASFLAGS += -mabi=lp64 -EL
-
- # We want to specify the LP64 model. There is an explicit -mabi=lp64
- # on GCC 4.9 and later, and no guarantee as to which is the default
- # model. In earlier versions of GCC, there is no -mabi option and the
- # default appears to be LP64 anyway.
- #
- ifeq ($(CCTYPE),gcc)
- LP64_TEST = $(CC) -mabi=lp64 -x c -c /dev/null -o /dev/null >/dev/null 2>&1
- LP64_FLAGS := $(shell $(LP64_TEST) && $(ECHO) '-mabi=lp64')
- WORKAROUND_CFLAGS += $(LP64_FLAGS)
- endif
-
- # EFI requires -fshort-wchar, and nothing else currently uses wchar_t
- #
- CFLAGS += -fshort-wchar
-
- # Include common ARM Makefile
- MAKEDEPS += arch/arm/Makefile
- include arch/arm/Makefile
-
- # Include platform-specific Makefile
- #
- MAKEDEPS += arch/arm64/Makefile.$(PLATFORM)
- include arch/arm64/Makefile.$(PLATFORM)
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