[mirror_ubuntu-bionic-kernel.git] / arch / hexagon / Makefile

# 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

# 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)

#  no KBUILD_LDFLAGS?
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)

LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
libs-y += $(LIBGCC)

head-y := arch/hexagon/kernel/head.o

core-y += arch/hexagon/kernel/ \
	arch/hexagon/mm/ \
	arch/hexagon/lib/
Commit	Line	Data
b2441318	1	# SPDX-License-Identifier: GPL-2.0
e95bf452 RK	2	# Makefile for the Hexagon arch
	3
	4	KBUILD_DEFCONFIG = comet_defconfig
	5
	6	# Do not use GP-relative jumps
	7	KBUILD_CFLAGS += -G0
	8	LDFLAGS_vmlinux += -G0
	9
	10	# Do not use single-byte enums; these will overflow.
	11	KBUILD_CFLAGS += -fno-short-enums
	12
	13	# Modules must use either long-calls, or use pic/plt.
	14	# Use long-calls for now, it's easier. And faster.
3a5befc1 C	15	# KBUILD_CFLAGS_MODULE += -fPIC
	16	# KBUILD_LDFLAGS_MODULE += -shared
	17	KBUILD_CFLAGS_MODULE += -mlong-calls
e95bf452	18
66b03dbf RK	19	cflags-y += $(call cc-option,-mv${CONFIG_HEXAGON_ARCH_VERSION})
	20	aflags-y += $(call cc-option,-mv${CONFIG_HEXAGON_ARCH_VERSION})
	21	ldflags-y += $(call cc-option,-mv${CONFIG_HEXAGON_ARCH_VERSION})
e95bf452 RK	22
	23	KBUILD_CFLAGS += $(cflags-y)
	24	KBUILD_AFLAGS += $(aflags-y)
	25
	26	# no KBUILD_LDFLAGS?
	27	LDFLAGS += $(ldflags-y)
	28
	29	# Thread-info register will be r19. This value is not configureable;
	30	# it is hard-coded in several files.
	31	TIR_NAME := r19
	32	KBUILD_CFLAGS += -ffixed-$(TIR_NAME) -DTHREADINFO_REG=$(TIR_NAME) -D__linux__
	33	KBUILD_AFLAGS += -DTHREADINFO_REG=$(TIR_NAME)
	34
	35	LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
	36	libs-y += $(LIBGCC)
	37
e336e05b	38	head-y := arch/hexagon/kernel/head.o
e95bf452 RK	39
	40	core-y += arch/hexagon/kernel/ \
	41	arch/hexagon/mm/ \
	42	arch/hexagon/lib/