1 # SPDX-License-Identifier: GPL-2.0
2
3 purgatory-y := head.o purgatory.o string.o sha
4
5 targets += $(purgatory-y) purgatory.lds purgat
6 PURGATORY_OBJS = $(addprefix $(obj)/,$(purgato
7
8 $(obj)/sha256.o: $(srctree)/lib/crypto/sha256.
9 $(call if_changed_rule,cc_o_c)
10
11 CFLAGS_sha256.o := -D__DISABLE_EXPORTS -D__NO_
12
13 $(obj)/mem.o: $(srctree)/arch/s390/lib/mem.S F
14 $(call if_changed_rule,as_o_S)
15
16 KBUILD_CFLAGS := -fno-strict-aliasing -Wall -W
17 KBUILD_CFLAGS += -Wno-pointer-sign -Wno-sign-c
18 KBUILD_CFLAGS += -fno-zero-initialized-in-bss
19 KBUILD_CFLAGS += -Os -m64 -msoft-float -fno-co
20 KBUILD_CFLAGS += -fno-stack-protector
21 KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
22 KBUILD_CFLAGS += $(CLANG_FLAGS)
23 KBUILD_CFLAGS += $(call cc-option,-fno-PIE)
24 KBUILD_AFLAGS := $(filter-out -DCC_USING_EXPOL
25
26 # Since we link purgatory with -r unresolved s
27 # also link a purgatory.chk binary without -r
28 PURGATORY_LDFLAGS := -nostdlib -z nodefaultlib
29 LDFLAGS_purgatory := -r $(PURGATORY_LDFLAGS) -
30 LDFLAGS_purgatory.chk := -e purgatory_start $(
31 $(obj)/purgatory: $(obj)/purgatory.lds $(PURGA
32 $(call if_changed,ld)
33
34 $(obj)/purgatory.chk: $(obj)/purgatory FORCE
35 $(call if_changed,ld)
36
37 OBJCOPYFLAGS_purgatory.ro := -O elf64-s390
38 OBJCOPYFLAGS_purgatory.ro += --remove-section=
39 OBJCOPYFLAGS_purgatory.ro += --remove-section=
40 OBJCOPYFLAGS_purgatory.ro += --remove-section=
41 $(obj)/purgatory.ro: $(obj)/purgatory $(obj)/p
42 $(call if_changed,objcopy)
43
44 $(obj)/kexec-purgatory.o: $(obj)/purgatory.ro
45
46 obj-y += kexec-purgatory.o
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