[linux-block.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

# 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)
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
788dcee0 SM	13	# We must use long-calls:
	14	KBUILD_CFLAGS += -mlong-calls
	15
e95bf452 RK	16	# Modules must use either long-calls, or use pic/plt.
e95bf452 RK	17	# Use long-calls for now, it's easier. And faster.
3a5befc1 C	18	# KBUILD_CFLAGS_MODULE += -fPIC
	19	# KBUILD_LDFLAGS_MODULE += -shared
	20	KBUILD_CFLAGS_MODULE += -mlong-calls
e95bf452	21
66b03dbf RK	22	cflags-y += $(call cc-option,-mv${CONFIG_HEXAGON_ARCH_VERSION})
	23	aflags-y += $(call cc-option,-mv${CONFIG_HEXAGON_ARCH_VERSION})
	24	ldflags-y += $(call cc-option,-mv${CONFIG_HEXAGON_ARCH_VERSION})
e95bf452 RK	25
	26	KBUILD_CFLAGS += $(cflags-y)
	27	KBUILD_AFLAGS += $(aflags-y)
d503ac53	28	KBUILD_LDFLAGS += $(ldflags-y)
e95bf452 RK	29
	30	# Thread-info register will be r19. This value is not configureable;
	31	# it is hard-coded in several files.
	32	TIR_NAME := r19
	33	KBUILD_CFLAGS += -ffixed-$(TIR_NAME) -DTHREADINFO_REG=$(TIR_NAME) -D__linux__
	34	KBUILD_AFLAGS += -DTHREADINFO_REG=$(TIR_NAME)