projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| cd92ac25 | 7 | targets += $(purgatory-y) purgatory.lds purgatory purgatory.chk purgatory.ro |
| 840798a1 PR |
8 | PURGATORY_OBJS = $(addprefix $(obj)/,$(purgatory-y)) |
| 9 | ||
| ad767ee8 | 10 | $(obj)/sha256.o: $(srctree)/lib/crypto/sha256.c FORCE |
| 840798a1 PR |
11 | $(call if_changed_rule,cc_o_c) |
| 12 | ||
| 01d3aee8 HG |
13 | CFLAGS_sha256.o := -D__DISABLE_EXPORTS |
| 14 | ||
| c315e693 | 15 | $(obj)/mem.o: $(srctree)/arch/s390/lib/mem.S FORCE |
| 840798a1 PR |
16 | $(call if_changed_rule,as_o_S) |
| 17 | ||
| c23587c9 CB |
18 | KCOV_INSTRUMENT := n |
| 19 | GCOV_PROFILE := n | |
| 20 | UBSAN_SANITIZE := n | |
| 21 | KASAN_SANITIZE := n | |
| e37b3dd0 | 22 | KCSAN_SANITIZE := n |
| 840798a1 | 23 | |
| 840798a1 PR |
24 | KBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes |
| 25 | KBUILD_CFLAGS += -Wno-pointer-sign -Wno-sign-compare | |
| 26 | KBUILD_CFLAGS += -fno-zero-initialized-in-bss -fno-builtin -ffreestanding | |
| 287d6070 | 27 | KBUILD_CFLAGS += -c -MD -Os -m64 -msoft-float -fno-common |
| 42e8d652 | 28 | KBUILD_CFLAGS += -fno-stack-protector |
| 96fb54a1 | 29 | KBUILD_CFLAGS += $(CLANG_FLAGS) |
| 840798a1 | 30 | KBUILD_CFLAGS += $(call cc-option,-fno-PIE) |
| ad03b821 | 31 | KBUILD_AFLAGS := $(filter-out -DCC_USING_EXPOLINE,$(KBUILD_AFLAGS)) |
| 840798a1 | 32 | |
| cd92ac25 HG |
33 | # Since we link purgatory with -r unresolved symbols are not checked, so we |
| 34 | # also link a purgatory.chk binary without -r to check for unresolved symbols. | |
| 35 | PURGATORY_LDFLAGS := -nostdlib -z nodefaultlib | |
| 36 | LDFLAGS_purgatory := -r $(PURGATORY_LDFLAGS) -T | |
| 37 | LDFLAGS_purgatory.chk := -e purgatory_start $(PURGATORY_LDFLAGS) | |
| 61f3f8fc | 38 | $(obj)/purgatory: $(obj)/purgatory.lds $(PURGATORY_OBJS) FORCE |
| 840798a1 PR |
39 | $(call if_changed,ld) |
| 40 | ||
| cd92ac25 HG |
41 | $(obj)/purgatory.chk: $(obj)/purgatory FORCE |
| 42 | $(call if_changed,ld) | |
| 43 | ||
| 61f3f8fc PR |
44 | OBJCOPYFLAGS_purgatory.ro := -O elf64-s390 |
| 45 | OBJCOPYFLAGS_purgatory.ro += --remove-section='*debug*' | |
| 46 | OBJCOPYFLAGS_purgatory.ro += --remove-section='.comment' | |
| 47 | OBJCOPYFLAGS_purgatory.ro += --remove-section='.note.*' | |
| cd92ac25 | 48 | $(obj)/purgatory.ro: $(obj)/purgatory $(obj)/purgatory.chk FORCE |
| 61f3f8fc PR |
49 | $(call if_changed,objcopy) |
| 50 | ||
| 20159e28 | 51 | $(obj)/kexec-purgatory.o: $(obj)/purgatory.ro |
| 840798a1 | 52 | |
| b9a56c11 | 53 | obj-y += kexec-purgatory.o |