FM / hexagon

/usr/src/linux-headers-5.15.0-181/arch/hexagon/

/usr/src/linux-headers-5.15.0-181/arch/hexagon

Name	Size	Mode	Actions
include/	-	0755	rm
kernel/	-	0755	rm
lib/	-	0755	rm
mm/	-	0755	rm
Kbuild	66	0644	edit dl rm
Kconfig	3077	0644	edit dl rm
Kconfig.debug	68	0644	edit dl rm
Makefile	1106	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/arch/hexagon/Makefile (1106B)

# 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)

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

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