[mirror_ubuntu-disco-kernel.git] / arch / x86 / purgatory / Makefile

# SPDX-License-Identifier: GPL-2.0
OBJECT_FILES_NON_STANDARD := y

purgatory-y := purgatory.o stack.o setup-x86_$(BITS).o sha256.o entry64.o string.o

targets += $(purgatory-y)
PURGATORY_OBJS = $(addprefix $(obj)/,$(purgatory-y))

$(obj)/sha256.o: $(srctree)/lib/sha256.c
	$(call if_changed_rule,cc_o_c)

LDFLAGS_purgatory.ro := -e purgatory_start -r --no-undefined -nostdlib -z nodefaultlib
targets += purgatory.ro

KASAN_SANITIZE	:= n
KCOV_INSTRUMENT := n

# Default KBUILD_CFLAGS can have -pg option set when FTRACE is enabled. That
# in turn leaves some undefined symbols like __fentry__ in purgatory and not
# sure how to relocate those. Like kexec-tools, use custom flags.

KBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes -fno-zero-initialized-in-bss -fno-builtin -ffreestanding -c -Os -mcmodel=large
KBUILD_CFLAGS += -m$(BITS)
KBUILD_CFLAGS += $(call cc-option,-fno-PIE)

$(obj)/purgatory.ro: $(PURGATORY_OBJS) FORCE
		$(call if_changed,ld)

targets += kexec-purgatory.c

CMD_BIN2C = $(objtree)/scripts/basic/bin2c
quiet_cmd_bin2c = BIN2C   $@
      cmd_bin2c = $(CMD_BIN2C) kexec_purgatory < $< > $@

$(obj)/kexec-purgatory.c: $(obj)/purgatory.ro FORCE
	$(call if_changed,bin2c)

obj-$(CONFIG_KEXEC_FILE)	+= kexec-purgatory.o
Commit	Line	Data
b2441318	1	# SPDX-License-Identifier: GPL-2.0
c0dd6716 JP	2	OBJECT_FILES_NON_STANDARD := y
c0dd6716 JP	3
8fc5b4d4 VG	4	purgatory-y := purgatory.o stack.o setup-x86_$(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	$(call if_changed_rule,cc_o_c)
	11
8fc5b4d4 VG	12	LDFLAGS_purgatory.ro := -e purgatory_start -r --no-undefined -nostdlib -z nodefaultlib
	13	targets += purgatory.ro
	14
13a6798e	15	KASAN_SANITIZE := n
543c37cb ER	16	KCOV_INSTRUMENT := n
543c37cb ER	17
8fc5b4d4 VG	18	# Default KBUILD_CFLAGS can have -pg option set when FTRACE is enabled. That
	19	# in turn leaves some undefined symbols like __fentry__ in purgatory and not
	20	# sure how to relocate those. Like kexec-tools, use custom flags.
	21
e847f6aa	22	KBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes -fno-zero-initialized-in-bss -fno-builtin -ffreestanding -c -Os -mcmodel=large
4df4185a	23	KBUILD_CFLAGS += -m$(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