Commit | Line | Data |
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840798a1 PR |
1 | # SPDX-License-Identifier: GPL-2.0 |
2 | ||
3 | OBJECT_FILES_NON_STANDARD := y | |
4 | ||
5 | purgatory-y := head.o purgatory.o string.o sha256.o mem.o | |
6 | ||
4c0f032d | 7 | targets += $(purgatory-y) purgatory.lds purgatory purgatory.ro |
840798a1 PR |
8 | PURGATORY_OBJS = $(addprefix $(obj)/,$(purgatory-y)) |
9 | ||
c315e693 | 10 | $(obj)/sha256.o: $(srctree)/lib/sha256.c FORCE |
840798a1 PR |
11 | $(call if_changed_rule,cc_o_c) |
12 | ||
c315e693 | 13 | $(obj)/mem.o: $(srctree)/arch/s390/lib/mem.S FORCE |
840798a1 PR |
14 | $(call if_changed_rule,as_o_S) |
15 | ||
c315e693 | 16 | $(obj)/string.o: $(srctree)/arch/s390/lib/string.c FORCE |
840798a1 PR |
17 | $(call if_changed_rule,cc_o_c) |
18 | ||
840798a1 PR |
19 | KBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes |
20 | KBUILD_CFLAGS += -Wno-pointer-sign -Wno-sign-compare | |
21 | KBUILD_CFLAGS += -fno-zero-initialized-in-bss -fno-builtin -ffreestanding | |
287d6070 | 22 | KBUILD_CFLAGS += -c -MD -Os -m64 -msoft-float -fno-common |
96fb54a1 | 23 | KBUILD_CFLAGS += $(CLANG_FLAGS) |
840798a1 | 24 | KBUILD_CFLAGS += $(call cc-option,-fno-PIE) |
ad03b821 | 25 | KBUILD_AFLAGS := $(filter-out -DCC_USING_EXPOLINE,$(KBUILD_AFLAGS)) |
840798a1 | 26 | |
61f3f8fc PR |
27 | LDFLAGS_purgatory := -r --no-undefined -nostdlib -z nodefaultlib -T |
28 | $(obj)/purgatory: $(obj)/purgatory.lds $(PURGATORY_OBJS) FORCE | |
840798a1 PR |
29 | $(call if_changed,ld) |
30 | ||
61f3f8fc PR |
31 | OBJCOPYFLAGS_purgatory.ro := -O elf64-s390 |
32 | OBJCOPYFLAGS_purgatory.ro += --remove-section='*debug*' | |
33 | OBJCOPYFLAGS_purgatory.ro += --remove-section='.comment' | |
34 | OBJCOPYFLAGS_purgatory.ro += --remove-section='.note.*' | |
35 | $(obj)/purgatory.ro: $(obj)/purgatory FORCE | |
36 | $(call if_changed,objcopy) | |
37 | ||
4c0f032d PR |
38 | $(obj)/kexec-purgatory.o: $(obj)/kexec-purgatory.S $(obj)/purgatory.ro FORCE |
39 | $(call if_changed_rule,as_o_S) | |
840798a1 PR |
40 | |
41 | obj-$(CONFIG_ARCH_HAS_KEXEC_PURGATORY) += kexec-purgatory.o |