[mirror_ubuntu-eoan-kernel.git] / arch / s390 / kernel / Makefile

# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux kernel.
#

ifdef CONFIG_FUNCTION_TRACER

# Do not trace tracer code
CFLAGS_REMOVE_ftrace.o		= $(CC_FLAGS_FTRACE)

# Do not trace early setup code
CFLAGS_REMOVE_early.o		= $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_early_nobss.o	= $(CC_FLAGS_FTRACE)

endif

GCOV_PROFILE_early.o		:= n
GCOV_PROFILE_early_nobss.o	:= n

KCOV_INSTRUMENT_early.o		:= n
KCOV_INSTRUMENT_early_nobss.o	:= n

UBSAN_SANITIZE_early.o		:= n
UBSAN_SANITIZE_early_nobss.o	:= n

KASAN_SANITIZE_early_nobss.o	:= n
KASAN_SANITIZE_ipl.o		:= n
KASAN_SANITIZE_machine_kexec.o	:= n

#
# Passing null pointers is ok for smp code, since we access the lowcore here.
#
CFLAGS_smp.o		:= -Wno-nonnull

#
# Disable tailcall optimizations for stack / callchain walking functions
# since this might generate broken code when accessing register 15 and
# passing its content to other functions.
#
CFLAGS_stacktrace.o	+= -fno-optimize-sibling-calls
CFLAGS_dumpstack.o	+= -fno-optimize-sibling-calls
CFLAGS_unwind_bc.o	+= -fno-optimize-sibling-calls

#
# Pass UTS_MACHINE for user_regset definition
#
CFLAGS_ptrace.o		+= -DUTS_MACHINE='"$(UTS_MACHINE)"'

obj-y	:= traps.o time.o process.o base.o early.o setup.o idle.o vtime.o
obj-y	+= processor.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o nmi.o
obj-y	+= debug.o irq.o ipl.o dis.o diag.o vdso.o early_nobss.o
obj-y	+= sysinfo.o lgr.o os_info.o machine_kexec.o pgm_check.o
obj-y	+= runtime_instr.o cache.o fpu.o dumpstack.o guarded_storage.o sthyi.o
obj-y	+= entry.o reipl.o relocate_kernel.o kdebugfs.o alternative.o
obj-y	+= nospec-branch.o ipl_vmparm.o machine_kexec_reloc.o unwind_bc.o
obj-y	+= smp.o

extra-y				+= head64.o vmlinux.lds

obj-$(CONFIG_SYSFS)		+= nospec-sysfs.o
CFLAGS_REMOVE_nospec-branch.o	+= $(CC_FLAGS_EXPOLINE)

obj-$(CONFIG_MODULES)		+= module.o
obj-$(CONFIG_SCHED_TOPOLOGY)	+= topology.o
obj-$(CONFIG_HIBERNATION)	+= suspend.o swsusp.o
obj-$(CONFIG_AUDIT)		+= audit.o
compat-obj-$(CONFIG_AUDIT)	+= compat_audit.o
obj-$(CONFIG_COMPAT)		+= compat_linux.o compat_signal.o
obj-$(CONFIG_COMPAT)		+= $(compat-obj-y)
obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
obj-$(CONFIG_STACKTRACE)	+= stacktrace.o
obj-$(CONFIG_KPROBES)		+= kprobes.o
obj-$(CONFIG_FUNCTION_TRACER)	+= mcount.o ftrace.o
obj-$(CONFIG_CRASH_DUMP)	+= crash_dump.o
obj-$(CONFIG_UPROBES)		+= uprobes.o
obj-$(CONFIG_JUMP_LABEL)	+= jump_label.o

obj-$(CONFIG_KEXEC_FILE)	+= machine_kexec_file.o kexec_image.o
obj-$(CONFIG_KEXEC_FILE)	+= kexec_elf.o

obj-$(CONFIG_IMA)		+= ima_arch.o

obj-$(CONFIG_PERF_EVENTS)	+= perf_event.o perf_cpum_cf_common.o
obj-$(CONFIG_PERF_EVENTS)	+= perf_cpum_cf.o perf_cpum_sf.o
obj-$(CONFIG_PERF_EVENTS)	+= perf_cpum_cf_events.o perf_regs.o
obj-$(CONFIG_PERF_EVENTS)	+= perf_cpum_cf_diag.o

obj-$(CONFIG_TRACEPOINTS)	+= trace.o

# vdso
obj-y				+= vdso64/
obj-$(CONFIG_COMPAT_VDSO)	+= vdso32/

chkbss := head64.o early_nobss.o
include $(srctree)/arch/s390/scripts/Makefile.chkbss
Commit	Line	Data
b2441318	1	# SPDX-License-Identifier: GPL-2.0
1da177e4 LT	2	#
	3	# Makefile for the linux kernel.
	4	#
	5
5d360a75	6	ifdef CONFIG_FUNCTION_TRACER
82897ede HC	7
82897ede HC	8	# Do not trace tracer code
971a9ca6	9	CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE)
82897ede HC	10
82897ede HC	11	# Do not trace early setup code
971a9ca6 HC	12	CFLAGS_REMOVE_early.o = $(CC_FLAGS_FTRACE)
971a9ca6 HC	13	CFLAGS_REMOVE_early_nobss.o = $(CC_FLAGS_FTRACE)
82897ede HC	14
	15	endif
	16
971a9ca6 HC	17	GCOV_PROFILE_early.o := n
971a9ca6 HC	18	GCOV_PROFILE_early_nobss.o := n
82897ede	19
971a9ca6 HC	20	KCOV_INSTRUMENT_early.o := n
971a9ca6 HC	21	KCOV_INSTRUMENT_early_nobss.o := n
82897ede	22
971a9ca6 HC	23	UBSAN_SANITIZE_early.o := n
971a9ca6 HC	24	UBSAN_SANITIZE_early_nobss.o := n
82897ede	25
0a9b4091	26	KASAN_SANITIZE_early_nobss.o := n
ac1256f8 VG	27	KASAN_SANITIZE_ipl.o := n
ac1256f8 VG	28	KASAN_SANITIZE_machine_kexec.o := n
0a9b4091	29
98c7b388 HC	30	#
	31	# Passing null pointers is ok for smp code, since we access the lowcore here.
	32	#
82897ede	33	CFLAGS_smp.o := -Wno-nonnull
98c7b388	34
1bca09f7 HC	35	#
	36	# Disable tailcall optimizations for stack / callchain walking functions
	37	# since this might generate broken code when accessing register 15 and
	38	# passing its content to other functions.
	39	#
	40	CFLAGS_stacktrace.o += -fno-optimize-sibling-calls
	41	CFLAGS_dumpstack.o += -fno-optimize-sibling-calls
78c98f90	42	CFLAGS_unwind_bc.o += -fno-optimize-sibling-calls
1bca09f7	43
63506c41 MS	44	#
	45	# Pass UTS_MACHINE for user_regset definition
	46	#
	47	CFLAGS_ptrace.o += -DUTS_MACHINE='"$(UTS_MACHINE)"'
	48
b5f87f15	49	obj-y := traps.o time.o process.o base.o early.o setup.o idle.o vtime.o
1bca09f7	50	obj-y += processor.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o nmi.o
8282cd64	51	obj-y += debug.o irq.o ipl.o dis.o diag.o vdso.o early_nobss.o
e9666d10	52	obj-y += sysinfo.o lgr.o os_info.o machine_kexec.o pgm_check.o
b7c92f1a	53	obj-y += runtime_instr.o cache.o fpu.o dumpstack.o guarded_storage.o sthyi.o
049a2c2d	54	obj-y += entry.o reipl.o relocate_kernel.o kdebugfs.o alternative.o
78c98f90	55	obj-y += nospec-branch.o ipl_vmparm.o machine_kexec_reloc.o unwind_bc.o
67626fad	56	obj-y += smp.o
1da177e4	57
8282cd64	58	extra-y += head64.o vmlinux.lds
1da177e4	59
4253b0e0	60	obj-$(CONFIG_SYSFS) += nospec-sysfs.o
b2e2f43a	61	CFLAGS_REMOVE_nospec-branch.o += $(CC_FLAGS_EXPOLINE)
f19fbd5e	62
711f5df7	63	obj-$(CONFIG_MODULES) += module.o
9236b4dd	64	obj-$(CONFIG_SCHED_TOPOLOGY) += topology.o
304987e3	65	obj-$(CONFIG_HIBERNATION) += suspend.o swsusp.o
c0803799 AV	66	obj-$(CONFIG_AUDIT) += audit.o
c0803799 AV	67	compat-obj-$(CONFIG_AUDIT) += compat_audit.o
fa2a0627	68	obj-$(CONFIG_COMPAT) += compat_linux.o compat_signal.o
90856087	69	obj-$(CONFIG_COMPAT) += $(compat-obj-y)
89175cf7	70	obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
5bdc9b44	71	obj-$(CONFIG_STACKTRACE) += stacktrace.o
4ba069b8	72	obj-$(CONFIG_KPROBES) += kprobes.o
53255c9a	73	obj-$(CONFIG_FUNCTION_TRACER) += mcount.o ftrace.o
60a0c68d	74	obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
2a0a5b22	75	obj-$(CONFIG_UPROBES) += uprobes.o
e9666d10	76	obj-$(CONFIG_JUMP_LABEL) += jump_label.o
305e4f10	77
e49bb0a2	78	obj-$(CONFIG_KEXEC_FILE) += machine_kexec_file.o kexec_image.o
8be01882	79	obj-$(CONFIG_KEXEC_FILE) += kexec_elf.o
71406883	80
268a7840 PR	81	obj-$(CONFIG_IMA) += ima_arch.o
268a7840 PR	82
7f5ac1a0 HB	83	obj-$(CONFIG_PERF_EVENTS) += perf_event.o perf_cpum_cf_common.o
7f5ac1a0 HB	84	obj-$(CONFIG_PERF_EVENTS) += perf_cpum_cf.o perf_cpum_sf.o
c33eff60	85	obj-$(CONFIG_PERF_EVENTS) += perf_cpum_cf_events.o perf_regs.o
fe5908bc	86	obj-$(CONFIG_PERF_EVENTS) += perf_cpum_cf_diag.o
1da177e4	87
b5a6b71b MS	88	obj-$(CONFIG_TRACEPOINTS) += trace.o
b5a6b71b MS	89
b020632e	90	# vdso
5a79859a	91	obj-y += vdso64/
96ca7674	92	obj-$(CONFIG_COMPAT_VDSO) += vdso32/
0391fcb5	93
8282cd64	94	chkbss := head64.o early_nobss.o
0391fcb5	95	include $(srctree)/arch/s390/scripts/Makefile.chkbss