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[makefile] Kill off arch/$(ARCH)/Config

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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
2008-10-07 22:46:43 +01:00
parent 160b950af8
commit f0b942ef42
3 changed files with 56 additions and 166 deletions
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61
src/arch/i386/Makefile
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@@ -1,3 +1,59 @@
# Force i386-only instructions
#
CFLAGS += -march=i386
# Code size reduction.
#
CFLAGS += -fstrength-reduce -fomit-frame-pointer
# Code size reduction. gcc3 needs a different syntax to gcc2 if you
# want to avoid spurious warnings.
#
GCC_VERSION := $(subst ., ,$(shell $(CC) -dumpversion))
GCC_MAJOR := $(firstword $(GCC_VERSION))
ifeq ($(GCC_MAJOR),2)
CFLAGS += -malign-jumps=1 -malign-loops=1 -malign-functions=1
else
CFLAGS += -falign-jumps=1 -falign-loops=1 -falign-functions=1
endif
# Code size reduction. This is almost always a win. The kernel uses it, too.
#
CFLAGS += -mpreferred-stack-boundary=2
# Code size reduction. Use regparm for all functions - C functions
# called from assembly (or vice versa) need __cdecl now
#
CFLAGS += -mregparm=3
# Code size reduction. Use -mrtd (same __cdecl requirements as above)
CFLAGS += -mrtd
# Code size reduction. 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
# Stop ld from complaining about our customised linker script
#
LDFLAGS += -N --no-check-sections
# Force 32-bit code even on an x86-64 machine
#
CFLAGS += -m32
ASFLAGS += --32
LDFLAGS += -m elf_i386
# EFI requires -fshort-wchar, and nothing else currently uses wchar_t
#
CFLAGS += -fshort-wchar
# We need to undefine the default macro "i386" when compiling .S
# files, otherwise ".arch i386" translates to ".arch 1"...
#
CFLAGS += -Ui386
# Locations of utilities
#
ISOLINUX_BIN = /usr/lib/syslinux/isolinux.bin
@@ -25,11 +81,6 @@ NON_AUTO_SRCS += arch/i386/core/wince_loader.c
OBJS_unnrv2b = unnrv2b unnrv2b16
CFLAGS_unnrv2b16 = -DCODE16
# We need to undefine the default macro "i386" when compiling .S
# files, otherwise ".arch i386" translates to ".arch 1"...
#
CFLAGS_S += -Ui386
# The i386 linker script
#
LDSCRIPT = arch/i386/scripts/i386.lds