]>
Commit | Line | Data |
---|---|---|
b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
c0dd6716 JP |
2 | OBJECT_FILES_NON_STANDARD := y |
3 | ||
8fc5b4d4 VG |
4 | purgatory-y := purgatory.o stack.o setup-x86_$(BITS).o sha256.o entry64.o string.o |
5 | ||
6 | targets += $(purgatory-y) | |
7 | PURGATORY_OBJS = $(addprefix $(obj)/,$(purgatory-y)) | |
8 | ||
df6f2801 PR |
9 | $(obj)/sha256.o: $(srctree)/lib/sha256.c |
10 | $(call if_changed_rule,cc_o_c) | |
11 | ||
8fc5b4d4 VG |
12 | LDFLAGS_purgatory.ro := -e purgatory_start -r --no-undefined -nostdlib -z nodefaultlib |
13 | targets += purgatory.ro | |
14 | ||
13a6798e | 15 | KASAN_SANITIZE := n |
543c37cb ER |
16 | KCOV_INSTRUMENT := n |
17 | ||
8fc5b4d4 VG |
18 | # Default KBUILD_CFLAGS can have -pg option set when FTRACE is enabled. That |
19 | # in turn leaves some undefined symbols like __fentry__ in purgatory and not | |
20 | # sure how to relocate those. Like kexec-tools, use custom flags. | |
21 | ||
e847f6aa | 22 | KBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes -fno-zero-initialized-in-bss -fno-builtin -ffreestanding -c -Os -mcmodel=large |
4df4185a | 23 | KBUILD_CFLAGS += -m$(BITS) |
90944e40 | 24 | KBUILD_CFLAGS += $(call cc-option,-fno-PIE) |
8fc5b4d4 VG |
25 | |
26 | $(obj)/purgatory.ro: $(PURGATORY_OBJS) FORCE | |
27 | $(call if_changed,ld) | |
28 | ||
29 | targets += kexec-purgatory.c | |
30 | ||
887f4f86 | 31 | CMD_BIN2C = $(objtree)/scripts/basic/bin2c |
8fc5b4d4 | 32 | quiet_cmd_bin2c = BIN2C $@ |
887f4f86 | 33 | cmd_bin2c = $(CMD_BIN2C) kexec_purgatory < $< > $@ |
8fc5b4d4 VG |
34 | |
35 | $(obj)/kexec-purgatory.c: $(obj)/purgatory.ro FORCE | |
36 | $(call if_changed,bin2c) | |
8fc5b4d4 | 37 | |
74ca317c | 38 | obj-$(CONFIG_KEXEC_FILE) += kexec-purgatory.o |