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Commit | Line | Data |
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8fc5b4d4 VG |
1 | purgatory-y := purgatory.o stack.o setup-x86_$(BITS).o sha256.o entry64.o string.o |
2 | ||
3 | targets += $(purgatory-y) | |
4 | PURGATORY_OBJS = $(addprefix $(obj)/,$(purgatory-y)) | |
5 | ||
6 | LDFLAGS_purgatory.ro := -e purgatory_start -r --no-undefined -nostdlib -z nodefaultlib | |
7 | targets += purgatory.ro | |
8 | ||
9 | # Default KBUILD_CFLAGS can have -pg option set when FTRACE is enabled. That | |
10 | # in turn leaves some undefined symbols like __fentry__ in purgatory and not | |
11 | # sure how to relocate those. Like kexec-tools, use custom flags. | |
12 | ||
13 | KBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes -fno-zero-initialized-in-bss -fno-builtin -ffreestanding -c -MD -Os -mcmodel=large | |
4df4185a | 14 | KBUILD_CFLAGS += -m$(BITS) |
8fc5b4d4 VG |
15 | |
16 | $(obj)/purgatory.ro: $(PURGATORY_OBJS) FORCE | |
17 | $(call if_changed,ld) | |
18 | ||
19 | targets += kexec-purgatory.c | |
20 | ||
887f4f86 | 21 | CMD_BIN2C = $(objtree)/scripts/basic/bin2c |
8fc5b4d4 | 22 | quiet_cmd_bin2c = BIN2C $@ |
887f4f86 | 23 | cmd_bin2c = $(CMD_BIN2C) kexec_purgatory < $< > $@ |
8fc5b4d4 VG |
24 | |
25 | $(obj)/kexec-purgatory.c: $(obj)/purgatory.ro FORCE | |
26 | $(call if_changed,bin2c) | |
3ea4b8ee | 27 | @: |
8fc5b4d4 VG |
28 | |
29 | ||
74ca317c | 30 | obj-$(CONFIG_KEXEC_FILE) += kexec-purgatory.o |