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kfraser@localhost.localdomain
ea847a59dc
1. GNU ld does not understand -m{32,64}. It must be cooked for it by
the GCC driver program.
2. Where GNU ld is directly called we must use -melf_{i386,x86_64}.
3. We cannot avoid calling GNU ld directly in some cases (e.g., when
specifying GNU-specific linker scripts) as on some host
architectures the GCC driver is configured to call the host
linker.
4. We cannot add -melf_{i386,x86_64} to LDFLAGS as the option is
not recognised by GCC.
Hence we define new LDFLAGS_DIRECT, to be added to the command line
only when invoking GNU ld directly.
Signed-off-by: Keir Fraser <keir@xensource.com>
67 lines
2.2 KiB
Makefile
67 lines
2.2 KiB
Makefile
#
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# Makefile
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#
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# Leendert van Doorn, leendert@watson.ibm.com
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# Copyright (c) 2005, International Business Machines Corporation.
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms and conditions of the GNU General Public License,
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# version 2, as published by the Free Software Foundation.
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#
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# This program is distributed in the hope it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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# more details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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# Place - Suite 330, Boston, MA 02111-1307 USA.
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#
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# External CFLAGS can do more harm than good.
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CFLAGS :=
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override XEN_TARGET_ARCH = x86_32
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XEN_ROOT = ../../..
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include $(XEN_ROOT)/Config.mk
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# The HVM loader is started in 32-bit mode at the address below:
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LOADADDR = 0x100000
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DEFINES =-DDEBUG
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XENINC =-I$(XEN_ROOT)/tools/libxc
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# Disable PIE/SSP if GCC supports them. They can break us.
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CFLAGS += $(call test-gcc-flag,$(CC),-nopie)
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CFLAGS += $(call test-gcc-flag,$(CC),-fno-stack-protector)
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CFLAGS += $(call test-gcc-flag,$(CC),-fno-stack-protector-all)
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OBJCOPY = objcopy
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CFLAGS += $(DEFINES) -I. $(XENINC) -fno-builtin -O2 -msoft-float
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LDFLAGS = -nostdlib -Wl,-N -Wl,-Ttext -Wl,$(LOADADDR)
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SRCS = hvmloader.c acpi_madt.c mp_tables.c util.c smbios.c
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OBJS = $(patsubst %.c,%.o,$(SRCS))
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.PHONY: all
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all: hvmloader
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hvmloader: roms.h $(SRCS)
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$(CC) $(CFLAGS) -c $(SRCS)
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$(CC) $(CFLAGS) $(LDFLAGS) -o hvmloader.tmp $(OBJS)
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$(OBJCOPY) hvmloader.tmp hvmloader
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rm -f hvmloader.tmp
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roms.h: ../rombios/BIOS-bochs-latest ../vgabios/VGABIOS-lgpl-latest.bin ../vgabios/VGABIOS-lgpl-latest.cirrus.bin ../vmxassist/vmxassist.bin ../acpi/acpi.bin
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sh ./mkhex rombios ../rombios/BIOS-bochs-latest > roms.h
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sh ./mkhex vgabios_stdvga ../vgabios/VGABIOS-lgpl-latest.bin >> roms.h
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sh ./mkhex vgabios_cirrusvga ../vgabios/VGABIOS-lgpl-latest.cirrus.bin >> roms.h
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sh ./mkhex vmxassist ../vmxassist/vmxassist.bin >> roms.h
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sh ./mkhex acpi ../acpi/acpi.bin >> roms.h
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.PHONY: clean
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clean:
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rm -f roms.h acpi.h
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rm -f hvmloader hvmloader.tmp hvmloader.o $(OBJS)
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