| # 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) |
