cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

Makefile (2398B)

      1CURRENT_MAKEFILE := $(realpath $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST)))
      2SRC_DIR := $(dir $(CURRENT_MAKEFILE))
      3TOPSRC_DIR := $(SRC_DIR)/../..
      4VPATH = $(SRC_DIR)
      5
      6all: multiboot.bin linuxboot.bin linuxboot_dma.bin kvmvapic.bin pvh.bin
      7# Dummy command so that make thinks it has done something
      8	@true
      9
     10include ../../config-host.mak
     11CFLAGS = -O2 -g
     12
     13quiet-command = $(if $(V),$1,$(if $(2),@printf "  %-7s %s\n" $2 $3 && $1, @$1))
     14cc-option = $(if $(shell $(CC) $1 -c -o /dev/null -xc /dev/null >/dev/null 2>&1 && echo OK), $1, $2)
     15
     16override CFLAGS += -march=i486 -Wall
     17
     18# Flags for dependency generation
     19override CPPFLAGS += -MMD -MP -MT $@ -MF $(@D)/$(*F).d
     20
     21override CFLAGS += $(filter -W%, $(QEMU_CFLAGS))
     22override CFLAGS += $(CFLAGS_NOPIE) -ffreestanding -I$(TOPSRC_DIR)/include
     23override CFLAGS += $(call cc-option, -fno-stack-protector)
     24override CFLAGS += $(call cc-option, -m16)
     25
     26ifeq ($(filter -m16, $(CFLAGS)),)
     27# Attempt to work around compilers that lack -m16 (GCC <= 4.8, clang <= ??)
     28# On GCC we add -fno-toplevel-reorder to keep the order of asm blocks with
     29# respect to the rest of the code.  clang does not have -fno-toplevel-reorder,
     30# but it places all asm blocks at the beginning and we're relying on it for
     31# the option ROM header.  So just force clang not to use the integrated
     32# assembler, which doesn't support .code16gcc.
     33override CFLAGS += $(call cc-option, -fno-toplevel-reorder)
     34override CFLAGS += $(call cc-option, -no-integrated-as)
     35override CFLAGS += -m32 -include $(SRC_DIR)/code16gcc.h
     36endif
     37
     38Wa = -Wa,
     39override ASFLAGS += -32
     40override CFLAGS += $(call cc-option, $(Wa)-32)
     41
     42LD_I386_EMULATION ?= elf_i386
     43override LDFLAGS = -m $(LD_I386_EMULATION) -T $(SRC_DIR)/flat.lds
     44
     45all: multiboot.bin linuxboot.bin linuxboot_dma.bin kvmvapic.bin pvh.bin
     46
     47pvh.img: pvh.o pvh_main.o
     48
     49%.o: %.S
     50	$(call quiet-command,$(CPP) $(CPPFLAGS) -c -o - $< | $(AS) $(ASFLAGS) -o $@,"AS","$@")
     51
     52%.o: %.c
     53	$(call quiet-command,$(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@,"CC","$@")
     54
     55%.img: %.o
     56	$(call quiet-command,$(LD) $(LDFLAGS) -s -o $@ $^,"BUILD","$@")
     57
     58%.raw: %.img
     59	$(call quiet-command,$(OBJCOPY) -O binary -j .text $< $@,"BUILD","$@")
     60
     61%.bin: %.raw
     62	$(call quiet-command,$(PYTHON) $(TOPSRC_DIR)/scripts/signrom.py $< $@,"SIGN","$@")
     63
     64include $(wildcard *.d)
     65
     66clean:
     67	rm -f *.o *.d *.raw *.img *.bin *~
     68
     69# suppress auto-removal of intermediate files
     70.SECONDARY:
     71
     72.PHONY: all clean