projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b3266bd6 JS |
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 | # | |
| 9 | ||
| 0f6f11eb | 10 | always := realmode.bin realmode.relocs |
| c4845474 JS |
11 | |
| 12 | wakeup-objs := wakeup_asm.o wakemain.o video-mode.o | |
| 13 | wakeup-objs += copy.o bioscall.o regs.o | |
| 14 | # The link order of the video-*.o modules can matter. In particular, | |
| 15 | # video-vga.o *must* be listed first, followed by video-vesa.o. | |
| 16 | # Hardware-specific drivers should follow in the order they should be | |
| 17 | # probed, and video-bios.o should typically be last. | |
| 18 | wakeup-objs += video-vga.o | |
| 19 | wakeup-objs += video-vesa.o | |
| 20 | wakeup-objs += video-bios.o | |
| b3266bd6 | 21 | |
| 0f6f11eb PA |
22 | realmode-y += header.o |
| 23 | realmode-y += trampoline_$(BITS).o | |
| 24 | realmode-y += stack.o | |
| 65051397 | 25 | realmode-y += reboot.o |
| 0f6f11eb PA |
26 | realmode-$(CONFIG_ACPI_SLEEP) += $(wakeup-objs) |
| 27 | ||
| b3266bd6 JS |
28 | targets += $(realmode-y) |
| 29 | ||
| 30 | REALMODE_OBJS = $(addprefix $(obj)/,$(realmode-y)) | |
| 31 | ||
| 32 | sed-pasyms := -n -r -e 's/^([0-9a-fA-F]+) [ABCDGRSTVW] (.+)$$/pa_\2 = \2;/p' | |
| 33 | ||
| 34 | quiet_cmd_pasyms = PASYMS $@ | |
| 35 | cmd_pasyms = $(NM) $(filter-out FORCE,$^) | \ | |
| 36 | sed $(sed-pasyms) | sort | uniq > $@ | |
| 37 | ||
| 0f6f11eb | 38 | targets += pasyms.h |
| b3266bd6 JS |
39 | $(obj)/pasyms.h: $(REALMODE_OBJS) FORCE |
| 40 | $(call if_changed,pasyms) | |
| 41 | ||
| 0f6f11eb | 42 | targets += realmode.lds |
| b3266bd6 JS |
43 | $(obj)/realmode.lds: $(obj)/pasyms.h |
| 44 | ||
| 45 | LDFLAGS_realmode.elf := --emit-relocs -T | |
| 46 | CPPFLAGS_realmode.lds += -P -C -I$(obj) | |
| 47 | ||
| 0f6f11eb | 48 | targets += realmode.elf |
| b3266bd6 JS |
49 | $(obj)/realmode.elf: $(obj)/realmode.lds $(REALMODE_OBJS) FORCE |
| 50 | $(call if_changed,ld) | |
| 51 | ||
| 52 | OBJCOPYFLAGS_realmode.bin := -O binary | |
| 53 | ||
| 0f6f11eb | 54 | targets += realmode.bin |
| c5403aed | 55 | $(obj)/realmode.bin: $(obj)/realmode.elf $(obj)/realmode.relocs |
| b3266bd6 JS |
56 | $(call if_changed,objcopy) |
| 57 | ||
| 58 | quiet_cmd_relocs = RELOCS $@ | |
| f2604c14 | 59 | cmd_relocs = arch/x86/tools/relocs --realmode $< > $@ |
| 0f6f11eb PA |
60 | |
| 61 | targets += realmode.relocs | |
| b3266bd6 JS |
62 | $(obj)/realmode.relocs: $(obj)/realmode.elf FORCE |
| 63 | $(call if_changed,relocs) | |
| 64 | ||
| 65 | # --------------------------------------------------------------------------- | |
| 66 | ||
| 67 | # How to compile the 16-bit code. Note we always compile for -march=i386, | |
| 68 | # that way we can complain to the user if the CPU is insufficient. | |
| c4845474 JS |
69 | KBUILD_CFLAGS := $(LINUXINCLUDE) -m32 -g -Os -D_SETUP -D__KERNEL__ -D_WAKEUP \ |
| 70 | -I$(srctree)/arch/x86/boot \ | |
| b3266bd6 JS |
71 | -DDISABLE_BRANCH_PROFILING \ |
| 72 | -Wall -Wstrict-prototypes \ | |
| 73 | -march=i386 -mregparm=3 \ | |
| 74 | -include $(srctree)/$(src)/../../boot/code16gcc.h \ | |
| 75 | -fno-strict-aliasing -fomit-frame-pointer \ | |
| 76 | $(call cc-option, -ffreestanding) \ | |
| 77 | $(call cc-option, -fno-toplevel-reorder,\ | |
| 78 | $(call cc-option, -fno-unit-at-a-time)) \ | |
| 79 | $(call cc-option, -fno-stack-protector) \ | |
| 80 | $(call cc-option, -mpreferred-stack-boundary=2) | |
| 81 | KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ | |
| 82 | GCOV_PROFILE := n |