1# 2# arch/x86/realmode/Makefile 3# 4# This file is subject to the terms and conditions of the GNU General Public 5# License. See the file "COPYING" in the main directory of this archive 6# for more details. 7# 8# 9KASAN_SANITIZE := n 10 11always := realmode.bin realmode.relocs 12 13wakeup-objs := wakeup_asm.o wakemain.o video-mode.o 14wakeup-objs += copy.o bioscall.o regs.o 15# The link order of the video-*.o modules can matter. In particular, 16# video-vga.o *must* be listed first, followed by video-vesa.o. 17# Hardware-specific drivers should follow in the order they should be 18# probed, and video-bios.o should typically be last. 19wakeup-objs += video-vga.o 20wakeup-objs += video-vesa.o 21wakeup-objs += video-bios.o 22 23realmode-y += header.o 24realmode-y += trampoline_$(BITS).o 25realmode-y += stack.o 26realmode-y += reboot.o 27realmode-$(CONFIG_ACPI_SLEEP) += $(wakeup-objs) 28 29targets += $(realmode-y) 30 31REALMODE_OBJS = $(addprefix $(obj)/,$(realmode-y)) 32 33sed-pasyms := -n -r -e 's/^([0-9a-fA-F]+) [ABCDGRSTVW] (.+)$$/pa_\2 = \2;/p' 34 35quiet_cmd_pasyms = PASYMS $@ 36 cmd_pasyms = $(NM) $(filter-out FORCE,$^) | \ 37 sed $(sed-pasyms) | sort | uniq > $@ 38 39targets += pasyms.h 40$(obj)/pasyms.h: $(REALMODE_OBJS) FORCE 41 $(call if_changed,pasyms) 42 43targets += realmode.lds 44$(obj)/realmode.lds: $(obj)/pasyms.h 45 46LDFLAGS_realmode.elf := --emit-relocs -T 47CPPFLAGS_realmode.lds += -P -C -I$(obj) 48 49targets += realmode.elf 50$(obj)/realmode.elf: $(obj)/realmode.lds $(REALMODE_OBJS) FORCE 51 $(call if_changed,ld) 52 53OBJCOPYFLAGS_realmode.bin := -O binary 54 55targets += realmode.bin 56$(obj)/realmode.bin: $(obj)/realmode.elf $(obj)/realmode.relocs FORCE 57 $(call if_changed,objcopy) 58 @: 59 60quiet_cmd_relocs = RELOCS $@ 61 cmd_relocs = arch/x86/tools/relocs --realmode $< > $@ 62 63targets += realmode.relocs 64$(obj)/realmode.relocs: $(obj)/realmode.elf FORCE 65 $(call if_changed,relocs) 66 67# --------------------------------------------------------------------------- 68 69KBUILD_CFLAGS := $(LINUXINCLUDE) $(REALMODE_CFLAGS) -D_SETUP -D_WAKEUP \ 70 -I$(srctree)/arch/x86/boot 71KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ 72GCOV_PROFILE := n 73