mirror of
https://github.com/xcat2/xNBA.git
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[makefile] Kill off arch/$(ARCH)/Config
The arch/i386/Config file has long been marked as deprecated. Move all the pertinent bits to arch/i386/Makefile instead and remove arch/i386/Config.
This commit is contained in:
Michael Brown
parent
160b950af8
commit
f0b942ef42
13
src/Makefile
13
src/Makefile
@ -73,19 +73,6 @@ noargs : blib $(BIN)/NIC $(BIN)/gpxe.dsk $(BIN)/gpxe.iso $(BIN)/gpxe.usb $(BIN)/
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#
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ARCH := $(shell uname -m | sed -e 's,i[3456789]86,i386,')
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# handle x86_64 like i386, but set -m32 option for 32bit code only
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ifeq ($(ARCH),x86_64)
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ARCH := i386
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CFLAGS += -m32
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ASFLAGS += --32
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LDFLAGS += -m elf_i386
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endif
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# Drag in architecture-specific Config
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#
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MAKEDEPS += arch/$(ARCH)/Config
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include arch/$(ARCH)/Config
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# Common flags
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#
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CFLAGS += -I include -I arch/$(ARCH)/include -I . -DARCH=$(ARCH)
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@ -1,148 +0,0 @@
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# -*- makefile -*-
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##############################################################################
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##############################################################################
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#
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# IMPORTANT!
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#
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# The use of this file to set options that affect only single object
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# files is deprecated, because changing anything in this file results
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# in a complete rebuild, which is slow. All options are gradually
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# being migrated to config.h, which does not suffer from this problem.
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#
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# Only options that affect the entire build (e.g. overriding the $(CC)
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# Makefile variable) should be placed in here.
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#
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##############################################################################
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##############################################################################
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# Config for i386 Etherboot
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#
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# Do not delete the tag OptionDescription and /OptionDescription
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# It is used to automatically generate the documentation.
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#
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# @OptionDescrition@
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#
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# BIOS interface options:
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#
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# -DPCBIOS
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# Compile in support for the normal pcbios
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# -DLINUXBIOS
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# Compile in support for LinuxBIOS
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# -DBBS_BUT_NOT_PNP_COMPLIANT
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# Some BIOSes claim to be PNP but they don't conform
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# to the BBS spec which specifies that ES:DI must
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# point to the string $PnP on entry. This option
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# works around those. This option must be added to
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# LCONFIG.
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# -DNO_DELAYED_INT
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# Take control as soon as BIOS detects the ROM.
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# Normally hooks onto INT18H or INT19H. Use only if you
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# have a very non-conformant BIOS as it bypasses
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# BIOS initialisation of devices. This only works for
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# legacy ROMs, i.e. PCI_PNP_HEADER not defined.
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# This option was formerly called NOINT19H.
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# -DBOOT_INT18H
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# Etherboot normally hooks onto INT19H for legacy ROMs.
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# You can choose to hook onto INT18H (BASIC interpreter
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# entry point) instead. This entry point is used when
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# all boot devices have been exhausted. This option must
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# be added to LCONFIG.
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# -DCONFIG_PCI_DIRECT
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# Define this for PCI BIOSes that do not implement
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# BIOS32 or not correctly. Normally not needed.
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# Only works for BIOSes of a certain era.
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# -DCONFIG_TSC_CURRTICKS
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# Uses the processor time stamp counter instead of reading
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# the BIOS time counter. This allows Etherboot to work
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# even without a BIOS. This only works on late model
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# 486s and above.
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# -DCONFIG_NO_TIMER2
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# Some systems do not have timer2 implemented.
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# If you have a RTC this will allow you to roughly calibrate
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# it using outb instructions.
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#
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# Extended cpu options
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# -DCONFIG_X86_64
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# Compile in support for booting x86_64 64bit binaries.
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#
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# PXE loader options:
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#
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# -DPXELOADER_KEEP_ALL
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# Prevent PXE loader (prefix) from unloading the
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# PXE stack. You will want to use this if, for
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# example, you are booting via PXE-on-floppy.
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# You may want to use it under certain
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# circumstances when using the Etherboot UNDI
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# driver; these are complex and best practice is
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# not yet established.
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#
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# Obscure options you probably don't need to touch:
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#
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# -DIGNORE_E820_MAP
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# Ignore the memory map returned by the E820 BIOS
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# call. May be necessary on some buggy BIOSes.
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# -DT503_AUI
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# Use AUI by default on 3c503 cards.
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# -DFLATTEN_REAL_MODE
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# Use 4GB segment limits when calling out to or
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# returning to real-mode code. This is necessary to
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# work around some buggy code (e.g. OpenBSD's pxeboot)
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# that uses flat real-mode without being sufficiently
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# paranoid about the volatility of its segment limits.
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#
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# @/OptionDescription@
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# BIOS select don't change unless you know what you are doing
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# CFLAGS+= -DPCBIOS
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# Compile in k8/hammer support
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# CFLAGS+= -DCONFIG_X86_64
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# Options to make a version of Etherboot that will work under linuxBIOS.
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# CFLAGS+= -DLINUXBIOS -DCONFIG_TSC_CURRTICKS -DCONSOLE_SERIAL -DCOMCONSOLE=0x3f8 -DCOMPRESERVE -DCONFIG_PCI_DIRECT -DELF_IMAGE
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# These options affect the loader that is prepended to the Etherboot image
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# LCONFIG+= -DBBS_BUT_NOT_PNP_COMPLIANT
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# LCONFIG+= -DBOOT_INT18H
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# Produce code that will work with OpenBSD's pxeboot
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# CFLAGS+= -DFLATTEN_REAL_MODE
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CFLAGS+= -fstrength-reduce -fomit-frame-pointer -march=i386
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# Squeeze the code in as little space as possible.
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# gcc3 needs a different syntax to gcc2 if you want to avoid spurious warnings.
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GCC_VERSION = $(subst ., ,$(shell $(CC) -dumpversion))
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GCC_MAJORVERSION = $(firstword $(GCC_VERSION))
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ifeq ($(GCC_MAJORVERSION),2)
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CFLAGS+= -malign-jumps=1 -malign-loops=1 -malign-functions=1
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else
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CFLAGS+= -falign-jumps=1 -falign-loops=1 -falign-functions=1
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endif
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# this is almost always a win. the kernel uses it, too.
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CFLAGS+= -mpreferred-stack-boundary=2
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# use regparm for all functions - C functions called from assembly (or
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# vice versa) need __cdecl now
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CFLAGS+= -mregparm=3
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# use -mrtd (same __cdecl requirements as above)
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CFLAGS+= -mrtd
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# this is the logical complement to -mregparm=3.
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# it doesn't currently buy us anything, but if anything ever tries
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# to return small structures, let's be prepared
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CFLAGS+= -freg-struct-return
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LDFLAGS+= -N --no-check-sections
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ifeq "$(shell uname -s)" "FreeBSD"
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CFLAGS+= -DIMAGE_FREEBSD -DELF_IMAGE -DAOUT_IMAGE
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endif
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# An alternate location for isolinux.bin can be set here
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# ISOLINUX_BIN=/path/to/isolinux.bin
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@ -1,3 +1,59 @@
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# Force i386-only instructions
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#
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CFLAGS += -march=i386
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# Code size reduction.
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#
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CFLAGS += -fstrength-reduce -fomit-frame-pointer
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# Code size reduction. gcc3 needs a different syntax to gcc2 if you
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# want to avoid spurious warnings.
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#
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GCC_VERSION := $(subst ., ,$(shell $(CC) -dumpversion))
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GCC_MAJOR := $(firstword $(GCC_VERSION))
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ifeq ($(GCC_MAJOR),2)
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CFLAGS += -malign-jumps=1 -malign-loops=1 -malign-functions=1
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else
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CFLAGS += -falign-jumps=1 -falign-loops=1 -falign-functions=1
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endif
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# Code size reduction. This is almost always a win. The kernel uses it, too.
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#
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CFLAGS += -mpreferred-stack-boundary=2
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# Code size reduction. Use regparm for all functions - C functions
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# called from assembly (or vice versa) need __cdecl now
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#
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CFLAGS += -mregparm=3
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# Code size reduction. Use -mrtd (same __cdecl requirements as above)
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CFLAGS += -mrtd
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# Code size reduction. This is the logical complement to -mregparm=3.
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# It doesn't currently buy us anything, but if anything ever tries to
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# return small structures, let's be prepared
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#
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CFLAGS += -freg-struct-return
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# Stop ld from complaining about our customised linker script
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#
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LDFLAGS += -N --no-check-sections
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# Force 32-bit code even on an x86-64 machine
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#
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CFLAGS += -m32
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ASFLAGS += --32
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LDFLAGS += -m elf_i386
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# EFI requires -fshort-wchar, and nothing else currently uses wchar_t
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#
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CFLAGS += -fshort-wchar
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# We need to undefine the default macro "i386" when compiling .S
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# files, otherwise ".arch i386" translates to ".arch 1"...
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#
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CFLAGS += -Ui386
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# Locations of utilities
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#
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ISOLINUX_BIN = /usr/lib/syslinux/isolinux.bin
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@ -25,11 +81,6 @@ NON_AUTO_SRCS += arch/i386/core/wince_loader.c
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OBJS_unnrv2b = unnrv2b unnrv2b16
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CFLAGS_unnrv2b16 = -DCODE16
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# We need to undefine the default macro "i386" when compiling .S
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# files, otherwise ".arch i386" translates to ".arch 1"...
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#
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CFLAGS_S += -Ui386
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# The i386 linker script
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#
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LDSCRIPT = arch/i386/scripts/i386.lds
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