blob: d445c5f1aeb1f8f162ae348686918b4297ffa6df [file] [log] [blame]
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)) := -e purgatory_start -r --no-undefined -nostdlib -z nodefaultlib
targets +=
# 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
KBUILD_CFLAGS += $(call cc-option,-fno-PIE)
$(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)/ FORCE
$(call if_changed,bin2c)
obj-$(CONFIG_KEXEC_FILE) += kexec-purgatory.o