mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-24 01:41:39 +00:00
31 lines
1.1 KiB
Makefile
31 lines
1.1 KiB
Makefile
![]() |
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))
|
||
|
|
||
|
LDFLAGS_purgatory.ro := -e purgatory_start -r --no-undefined -nostdlib -z nodefaultlib
|
||
|
targets += purgatory.ro
|
||
|
|
||
|
# 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 -MD -Os -mcmodel=large
|
||
|
|
||
|
$(obj)/purgatory.ro: $(PURGATORY_OBJS) FORCE
|
||
|
$(call if_changed,ld)
|
||
|
|
||
|
targets += kexec-purgatory.c
|
||
|
|
||
|
quiet_cmd_bin2c = BIN2C $@
|
||
|
cmd_bin2c = cat $(obj)/purgatory.ro | $(objtree)/scripts/basic/bin2c kexec_purgatory > $(obj)/kexec-purgatory.c
|
||
|
|
||
|
$(obj)/kexec-purgatory.c: $(obj)/purgatory.ro FORCE
|
||
|
$(call if_changed,bin2c)
|
||
|
|
||
|
|
||
|
# No loaders for 32bits yet.
|
||
|
ifeq ($(CONFIG_X86_64),y)
|
||
|
obj-$(CONFIG_KEXEC) += kexec-purgatory.o
|
||
|
endif
|