mirror of
https://github.com/xcat2/xNBA.git
synced 2024-12-15 07:41:45 +00:00
152 lines
5.2 KiB
Makefile
152 lines
5.2 KiB
Makefile
# -*- 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.
|
|
# -DIBM_L40
|
|
# This option uses the 0x92 method of controlling
|
|
# A20 instead of the traditional method of using the
|
|
# keyboard controller. An explanation of A20 is here:
|
|
# http://www.win.tue.nl/~aeb/linux/kbd/A20.html
|
|
# This occurs on MCA, EISA and some embedded boards,
|
|
# and sometimes with the Fast Gate A20 option on some
|
|
# BIOSes.
|
|
# Enable this only if you are sure of what you are doing.
|
|
#
|
|
# 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
|
|
GCC_MINORVERSION = $(word 2, $(GCC_VERSION))
|
|
ifneq ($(GCC_MINORVERSION),4)
|
|
CFLAGS+= -march=i386
|
|
endif
|
|
|
|
LDFLAGS+= -N
|
|
|
|
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
|
|
|
|
# These seem to have some relevance to compiling on x86_64
|
|
# EXTRA_CFLAGS=-m32
|
|
# EXTRA_ASFLAGS=--32
|
|
# EXTRA_LDFLAGS=-m elf_i386
|