[linux-block.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_als.o	= $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_early.o	= $(CC_FLAGS_FTRACE)

endif

GCOV_PROFILE_als.o	:= n
GCOV_PROFILE_early.o	:= n

KCOV_INSTRUMENT_als.o	:= n
KCOV_INSTRUMENT_early.o	:= n

UBSAN_SANITIZE_als.o	:= n
UBSAN_SANITIZE_early.o	:= n

#
# Use -march=z900 for als.c to be able to print an error
# message if the kernel is started on a machine which is too old
#
ifneq ($(CC_FLAGS_MARCH),-march=z900)
CFLAGS_REMOVE_als.o	+= $(CC_FLAGS_MARCH)
CFLAGS_als.o		+= -march=z900
AFLAGS_REMOVE_head.o	+= $(CC_FLAGS_MARCH)
AFLAGS_head.o		+= -march=z900
endif

#
# 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

#
# 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 als.o
obj-y	+= sysinfo.o jump_label.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
obj-y	+= entry.o reipl.o relocate_kernel.o kdebugfs.o

extra-y				+= head.o head64.o vmlinux.lds

obj-$(CONFIG_MODULES)		+= module.o
obj-$(CONFIG_SMP)		+= smp.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_wrapper.o $(compat-obj-y)
obj-$(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-$(CONFIG_PERF_EVENTS)	+= perf_event.o perf_cpum_cf.o perf_cpum_sf.o
obj-$(CONFIG_PERF_EVENTS)	+= perf_cpum_cf_events.o

obj-$(CONFIG_TRACEPOINTS)	+= trace.o

# vdso
obj-y				+= vdso64/
obj-$(CONFIG_COMPAT)		+= vdso32/
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
	8	# Do not trace tracer code
	9	CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE)
	10
	11	# Do not trace early setup code
	12	CFLAGS_REMOVE_als.o = $(CC_FLAGS_FTRACE)
	13	CFLAGS_REMOVE_early.o = $(CC_FLAGS_FTRACE)
82897ede HC	14
	15	endif
	16
	17	GCOV_PROFILE_als.o := n
	18	GCOV_PROFILE_early.o := n
82897ede HC	19
	20	KCOV_INSTRUMENT_als.o := n
	21	KCOV_INSTRUMENT_early.o := n
82897ede HC	22
	23	UBSAN_SANITIZE_als.o := n
	24	UBSAN_SANITIZE_early.o := n
82897ede HC	25
82897ede HC	26	#
9090f3fe	27	# Use -march=z900 for als.c to be able to print an error
82897ede HC	28	# message if the kernel is started on a machine which is too old
	29	#
	30	ifneq ($(CC_FLAGS_MARCH),-march=z900)
	31	CFLAGS_REMOVE_als.o += $(CC_FLAGS_MARCH)
	32	CFLAGS_als.o += -march=z900
82897ede HC	33	AFLAGS_REMOVE_head.o += $(CC_FLAGS_MARCH)
82897ede HC	34	AFLAGS_head.o += -march=z900
dfd9f7ab HC	35	endif
dfd9f7ab HC	36
98c7b388 HC	37	#
	38	# Passing null pointers is ok for smp code, since we access the lowcore here.
	39	#
82897ede	40	CFLAGS_smp.o := -Wno-nonnull
98c7b388	41
1bca09f7 HC	42	#
	43	# Disable tailcall optimizations for stack / callchain walking functions
	44	# since this might generate broken code when accessing register 15 and
	45	# passing its content to other functions.
	46	#
	47	CFLAGS_stacktrace.o += -fno-optimize-sibling-calls
	48	CFLAGS_dumpstack.o += -fno-optimize-sibling-calls
	49
63506c41 MS	50	#
	51	# Pass UTS_MACHINE for user_regset definition
	52	#
	53	CFLAGS_ptrace.o += -DUTS_MACHINE='"$(UTS_MACHINE)"'
	54
b5f87f15	55	obj-y := traps.o time.o process.o base.o early.o setup.o idle.o vtime.o
1bca09f7	56	obj-y += processor.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o nmi.o
9090f3fe	57	obj-y += debug.o irq.o ipl.o dis.o diag.o vdso.o als.o
1bca09f7	58	obj-y += sysinfo.o jump_label.o lgr.o os_info.o machine_kexec.o pgm_check.o
916cda1a	59	obj-y += runtime_instr.o cache.o fpu.o dumpstack.o guarded_storage.o
050f99b1	60	obj-y += entry.o reipl.o relocate_kernel.o kdebugfs.o
1da177e4	61
5a79859a	62	extra-y += head.o head64.o vmlinux.lds
1da177e4	63
711f5df7	64	obj-$(CONFIG_MODULES) += module.o
83a24e32	65	obj-$(CONFIG_SMP) += smp.o
9236b4dd	66	obj-$(CONFIG_SCHED_TOPOLOGY) += topology.o
304987e3	67	obj-$(CONFIG_HIBERNATION) += suspend.o swsusp.o
c0803799 AV	68	obj-$(CONFIG_AUDIT) += audit.o
c0803799 AV	69	compat-obj-$(CONFIG_AUDIT) += compat_audit.o
fa2a0627 HC	70	obj-$(CONFIG_COMPAT) += compat_linux.o compat_signal.o
fa2a0627 HC	71	obj-$(CONFIG_COMPAT) += compat_wrapper.o $(compat-obj-y)
89175cf7	72	obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
5bdc9b44	73	obj-$(CONFIG_STACKTRACE) += stacktrace.o
4ba069b8	74	obj-$(CONFIG_KPROBES) += kprobes.o
53255c9a	75	obj-$(CONFIG_FUNCTION_TRACER) += mcount.o ftrace.o
60a0c68d	76	obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
2a0a5b22	77	obj-$(CONFIG_UPROBES) += uprobes.o
305e4f10	78
5a79859a HC	79	obj-$(CONFIG_PERF_EVENTS) += perf_event.o perf_cpum_cf.o perf_cpum_sf.o
5a79859a HC	80	obj-$(CONFIG_PERF_EVENTS) += perf_cpum_cf_events.o
1da177e4	81
b5a6b71b MS	82	obj-$(CONFIG_TRACEPOINTS) += trace.o
b5a6b71b MS	83
b020632e	84	# vdso
5a79859a	85	obj-y += vdso64/
b020632e	86	obj-$(CONFIG_COMPAT) += vdso32/