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Diffstat (limited to 'gpxe/src/arch/i386/Config')
| -rw-r--r-- | gpxe/src/arch/i386/Config | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/gpxe/src/arch/i386/Config b/gpxe/src/arch/i386/Config deleted file mode 100644 index 1c086ecc..00000000 --- a/gpxe/src/arch/i386/Config +++ /dev/null @@ -1,148 +0,0 @@ -# -*- makefile -*- - -############################################################################## -############################################################################## -# -# IMPORTANT! -# -# The use of this file to set options that affect only single object -# files is deprecated, because changing anything in this file results -# in a complete rebuild, which is slow. All options are gradually -# being migrated to config.h, which does not suffer from this problem. -# -# Only options that affect the entire build (e.g. overriding the $(CC) -# Makefile variable) should be placed in here. -# -############################################################################## -############################################################################## - - -# Config for i386 Etherboot -# -# Do not delete the tag OptionDescription and /OptionDescription -# It is used to automatically generate the documentation. -# -# @OptionDescrition@ -# -# BIOS interface options: -# -# -DPCBIOS -# Compile in support for the normal pcbios -# -DLINUXBIOS -# Compile in support for LinuxBIOS -# -DBBS_BUT_NOT_PNP_COMPLIANT -# Some BIOSes claim to be PNP but they don't conform -# to the BBS spec which specifies that ES:DI must -# point to the string $PnP on entry. This option -# works around those. This option must be added to -# LCONFIG. -# -DNO_DELAYED_INT -# Take control as soon as BIOS detects the ROM. -# Normally hooks onto INT18H or INT19H. Use only if you -# have a very non-conformant BIOS as it bypasses -# BIOS initialisation of devices. This only works for -# legacy ROMs, i.e. PCI_PNP_HEADER not defined. -# This option was formerly called NOINT19H. -# -DBOOT_INT18H -# Etherboot normally hooks onto INT19H for legacy ROMs. -# You can choose to hook onto INT18H (BASIC interpreter -# entry point) instead. This entry point is used when -# all boot devices have been exhausted. This option must -# be added to LCONFIG. -# -DCONFIG_PCI_DIRECT -# Define this for PCI BIOSes that do not implement -# BIOS32 or not correctly. Normally not needed. -# Only works for BIOSes of a certain era. -# -DCONFIG_TSC_CURRTICKS -# Uses the processor time stamp counter instead of reading -# the BIOS time counter. This allows Etherboot to work -# even without a BIOS. This only works on late model -# 486s and above. -# -DCONFIG_NO_TIMER2 -# Some systems do not have timer2 implemented. -# If you have a RTC this will allow you to roughly calibrate -# it using outb instructions. -# -# Extended cpu options - -# -DCONFIG_X86_64 -# Compile in support for booting x86_64 64bit binaries. -# -# PXE loader options: -# -# -DPXELOADER_KEEP_ALL -# Prevent PXE loader (prefix) from unloading the -# PXE stack. You will want to use this if, for -# example, you are booting via PXE-on-floppy. -# You may want to use it under certain -# circumstances when using the Etherboot UNDI -# driver; these are complex and best practice is -# not yet established. -# -# Obscure options you probably don't need to touch: -# -# -DIGNORE_E820_MAP -# Ignore the memory map returned by the E820 BIOS -# call. May be necessary on some buggy BIOSes. -# -DT503_AUI -# Use AUI by default on 3c503 cards. -# -DFLATTEN_REAL_MODE -# Use 4GB segment limits when calling out to or -# returning to real-mode code. This is necessary to -# work around some buggy code (e.g. OpenBSD's pxeboot) -# that uses flat real-mode without being sufficiently -# paranoid about the volatility of its segment limits. - -# -# @/OptionDescription@ - -# BIOS select don't change unless you know what you are doing -# CFLAGS+= -DPCBIOS - -# Compile in k8/hammer support -# CFLAGS+= -DCONFIG_X86_64 - -# Options to make a version of Etherboot that will work under linuxBIOS. -# CFLAGS+= -DLINUXBIOS -DCONFIG_TSC_CURRTICKS -DCONSOLE_SERIAL -DCOMCONSOLE=0x3f8 -DCOMPRESERVE -DCONFIG_PCI_DIRECT -DELF_IMAGE - -# These options affect the loader that is prepended to the Etherboot image -# LCONFIG+= -DBBS_BUT_NOT_PNP_COMPLIANT -# LCONFIG+= -DBOOT_INT18H - -# Produce code that will work with OpenBSD's pxeboot -# CFLAGS+= -DFLATTEN_REAL_MODE - -CFLAGS+= -fstrength-reduce -fomit-frame-pointer -march=i386 -# Squeeze the code in as little space as possible. -# gcc3 needs a different syntax to gcc2 if you want to avoid spurious warnings. -GCC_VERSION = $(subst ., ,$(shell $(CC) -dumpversion)) -GCC_MAJORVERSION = $(firstword $(GCC_VERSION)) -ifeq ($(GCC_MAJORVERSION),2) -CFLAGS+= -malign-jumps=1 -malign-loops=1 -malign-functions=1 -else -CFLAGS+= -falign-jumps=1 -falign-loops=1 -falign-functions=1 -endif - -# this is almost always a win. the kernel uses it, too. -CFLAGS+= -mpreferred-stack-boundary=2 - -# use regparm for all functions - C functions called from assembly (or -# vice versa) need __cdecl now -CFLAGS+= -mregparm=3 - -# use -mrtd (same __cdecl requirements as above) -CFLAGS+= -mrtd - -# this is the logical complement to -mregparm=3. -# it doesn't currently buy us anything, but if anything ever tries -# to return small structures, let's be prepared -CFLAGS+= -freg-struct-return - -LDFLAGS+= -N --no-check-sections - -ifeq "$(shell uname -s)" "FreeBSD" -CFLAGS+= -DIMAGE_FREEBSD -DELF_IMAGE -DAOUT_IMAGE -endif - -# An alternate location for isolinux.bin can be set here -# ISOLINUX_BIN=/path/to/isolinux.bin |