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[MIPS] Add PIC-related switches to PLATFORM_{CPP,LD}FLAGS and cleanup

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Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
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Shinya Kuribayashi 2007-10-21 21:30:42 +09:00 committed by Shinya Kuribayashi
parent eb700636db
commit 00101dd7a3
2 changed files with 26 additions and 1 deletions
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2
cpu/mips/config.mk
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@ -35,6 +35,6 @@ else
ENDIANNESS = -EB
endif
MIPSFLAGS += $(ENDIANNESS) -mabicalls
MIPSFLAGS += $(ENDIANNESS)
PLATFORM_CPPFLAGS += $(MIPSFLAGS)

25
mips_config.mk
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@ -22,3 +22,28 @@
#
PLATFORM_CPPFLAGS += -DCONFIG_MIPS -D__MIPS__
#
# From Linux arch/mips/Makefile
#
# GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel
# code since it only slows down the whole thing. At some point we might make
# use of global pointer optimizations but their use of $28 conflicts with
# the current pointer optimization.
#
# The DECStation requires an ECOFF kernel for remote booting, other MIPS
# machines may also. Since BFD is incredibly buggy with respect to
# crossformat linking we rely on the elf2ecoff tool for format conversion.
#
# cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
# cflags-y += -msoft-float
# LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
# MODFLAGS += -mlong-calls
#
#
# Meanwhile, U-Boot rely on PIC. We add proper switches explicitly.
#
PLATFORM_CPPFLAGS += -G 0 -mabicalls -fpic -pipe
PLATFORM_CPPFLAGS += -msoft-float
PLATFORM_LDFLAGS += -G 0 -static -n -nostdlib