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Commit | Line | Data |
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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. |
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) | |
35 | ||
e336e05b | 36 | head-y := arch/hexagon/kernel/head.o |
e95bf452 RK |
37 | |
38 | core-y += arch/hexagon/kernel/ \ | |
39 | arch/hexagon/mm/ \ | |
40 | arch/hexagon/lib/ |