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Diffstat (limited to 'arch/hexagon/Makefile')
| -rw-r--r-- | arch/hexagon/Makefile | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/hexagon/Makefile b/arch/hexagon/Makefile new file mode 100644 index 000000000..92d005958 --- /dev/null +++ b/arch/hexagon/Makefile @@ -0,0 +1,34 @@ +# SPDX-License-Identifier: GPL-2.0 +# Makefile for the Hexagon arch + +KBUILD_DEFCONFIG = comet_defconfig + +# Do not use GP-relative jumps +KBUILD_CFLAGS += -G0 +LDFLAGS_vmlinux += -G0 + +# Do not use single-byte enums; these will overflow. +KBUILD_CFLAGS += -fno-short-enums + +# We must use long-calls: +KBUILD_CFLAGS += -mlong-calls + +# Modules must use either long-calls, or use pic/plt. +# Use long-calls for now, it's easier. And faster. +# KBUILD_CFLAGS_MODULE += -fPIC +# KBUILD_LDFLAGS_MODULE += -shared +KBUILD_CFLAGS_MODULE += -mlong-calls + +cflags-y += $(call cc-option,-mv${CONFIG_HEXAGON_ARCH_VERSION}) +aflags-y += $(call cc-option,-mv${CONFIG_HEXAGON_ARCH_VERSION}) +ldflags-y += $(call cc-option,-mv${CONFIG_HEXAGON_ARCH_VERSION}) + +KBUILD_CFLAGS += $(cflags-y) +KBUILD_AFLAGS += $(aflags-y) +KBUILD_LDFLAGS += $(ldflags-y) + +# Thread-info register will be r19. This value is not configureable; +# it is hard-coded in several files. +TIR_NAME := r19 +KBUILD_CFLAGS += -ffixed-$(TIR_NAME) -DTHREADINFO_REG=$(TIR_NAME) -D__linux__ +KBUILD_AFLAGS += -DTHREADINFO_REG=$(TIR_NAME) |