1#  Makefile for the Hexagon arch
 2
 3KBUILD_DEFCONFIG = comet_defconfig
 4
 5# Do not use GP-relative jumps
 6KBUILD_CFLAGS += -G0
 7LDFLAGS_vmlinux += -G0
 8
 9# Do not use single-byte enums; these will overflow.
10KBUILD_CFLAGS += -fno-short-enums
11
12# Modules must use either long-calls, or use pic/plt.
13# Use long-calls for now, it's easier.  And faster.
14# CFLAGS_MODULE += -fPIC
15# LDFLAGS_MODULE += -shared
16CFLAGS_MODULE += -mlong-calls
17
18cflags-$(CONFIG_HEXAGON_ARCH_V1) += $(call cc-option,-mv1)
19cflags-$(CONFIG_HEXAGON_ARCH_V2) += $(call cc-option,-mv2)
20cflags-$(CONFIG_HEXAGON_ARCH_V3) += $(call cc-option,-mv3)
21cflags-$(CONFIG_HEXAGON_ARCH_V4) += $(call cc-option,-mv4)
22
23aflags-$(CONFIG_HEXAGON_ARCH_V1) += $(call cc-option,-mv1)
24aflags-$(CONFIG_HEXAGON_ARCH_V2) += $(call cc-option,-mv2)
25aflags-$(CONFIG_HEXAGON_ARCH_V3) += $(call cc-option,-mv3)
26aflags-$(CONFIG_HEXAGON_ARCH_V4) += $(call cc-option,-mv4)
27
28ldflags-$(CONFIG_HEXAGON_ARCH_V1) += $(call cc-option,-mv1)
29ldflags-$(CONFIG_HEXAGON_ARCH_V2) += $(call cc-option,-mv2)
30ldflags-$(CONFIG_HEXAGON_ARCH_V3) += $(call cc-option,-mv3)
31ldflags-$(CONFIG_HEXAGON_ARCH_V4) += $(call cc-option,-mv4)
32
33KBUILD_CFLAGS += $(cflags-y)
34KBUILD_AFLAGS += $(aflags-y)
35
36#  no KBUILD_LDFLAGS?
37LDFLAGS += $(ldflags-y)
38
39# Thread-info register will be r19.  This value is not configureable;
40# it is hard-coded in several files.
41TIR_NAME := r19
42KBUILD_CFLAGS += -ffixed-$(TIR_NAME) -DTHREADINFO_REG=$(TIR_NAME) -D__linux__
43KBUILD_AFLAGS += -DTHREADINFO_REG=$(TIR_NAME)
44
45LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
46libs-y += $(LIBGCC)
47
48head-y := arch/hexagon/kernel/head.o
49
50core-y += arch/hexagon/kernel \
51	arch/hexagon/mm/ \
52	arch/hexagon/lib/

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