projects / linux-block.git / blame
| 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 | ||
| 9 | LDFLAGS_purgatory.ro := -e purgatory_start -r --no-undefined -nostdlib -z nodefaultlib | |
| 10 | targets += purgatory.ro | |
| 11 | ||
| 13a6798e | 12 | KASAN_SANITIZE := n |
| 543c37cb ER |
13 | KCOV_INSTRUMENT := n |
| 14 | ||
| 8fc5b4d4 VG |
15 | # Default KBUILD_CFLAGS can have -pg option set when FTRACE is enabled. That |
| 16 | # in turn leaves some undefined symbols like __fentry__ in purgatory and not | |
| 17 | # sure how to relocate those. Like kexec-tools, use custom flags. | |
| 18 | ||
| 19 | KBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes -fno-zero-initialized-in-bss -fno-builtin -ffreestanding -c -MD -Os -mcmodel=large | |
| 4df4185a | 20 | KBUILD_CFLAGS += -m$(BITS) |
| 90944e40 | 21 | KBUILD_CFLAGS += $(call cc-option,-fno-PIE) |
| 8fc5b4d4 VG |
22 | |
| 23 | $(obj)/purgatory.ro: $(PURGATORY_OBJS) FORCE | |
| 24 | $(call if_changed,ld) | |
| 25 | ||
| 26 | targets += kexec-purgatory.c | |
| 27 | ||
| 887f4f86 | 28 | CMD_BIN2C = $(objtree)/scripts/basic/bin2c |
| 8fc5b4d4 | 29 | quiet_cmd_bin2c = BIN2C $@ |
| 887f4f86 | 30 | cmd_bin2c = $(CMD_BIN2C) kexec_purgatory < $< > $@ |
| 8fc5b4d4 VG |
31 | |
| 32 | $(obj)/kexec-purgatory.c: $(obj)/purgatory.ro FORCE | |
| 33 | $(call if_changed,bin2c) | |
| 8fc5b4d4 | 34 | |
| 74ca317c | 35 | obj-$(CONFIG_KEXEC_FILE) += kexec-purgatory.o |