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| author | Shinya Kuribayashi <shinya.kuribayashi@necel.com> | 2007-10-21 21:30:42 +0900 |
|---|---|---|
| committer | Shinya Kuribayashi <skuribay@ruby.dti.ne.jp> | 2007-10-21 21:30:42 +0900 |
| commit | 00101dd7a32d12f698150123e47e4b3420279f86 (patch) | |
| tree | 32b365935919b0725281f031f1dc6c51850cf113 | |
| parent | eb700636db017d310edaeb559b13d82588560674 (diff) | |
| download | u-boot-imx-00101dd7a32d12f698150123e47e4b3420279f86.zip u-boot-imx-00101dd7a32d12f698150123e47e4b3420279f86.tar.gz u-boot-imx-00101dd7a32d12f698150123e47e4b3420279f86.tar.bz2 | |
[MIPS] Add PIC-related switches to PLATFORM_{CPP,LD}FLAGS and cleanup
Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
| -rw-r--r-- | cpu/mips/config.mk | 2 | ||||
| -rw-r--r-- | mips_config.mk | 25 |
2 files changed, 26 insertions, 1 deletions
diff --git a/cpu/mips/config.mk b/cpu/mips/config.mk index b29986e..487c4eb 100644 --- a/cpu/mips/config.mk +++ b/cpu/mips/config.mk @@ -35,6 +35,6 @@ else ENDIANNESS = -EB endif -MIPSFLAGS += $(ENDIANNESS) -mabicalls +MIPSFLAGS += $(ENDIANNESS) PLATFORM_CPPFLAGS += $(MIPSFLAGS) diff --git a/mips_config.mk b/mips_config.mk index d8aa5fa..67fb67d 100644 --- a/mips_config.mk +++ b/mips_config.mk @@ -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 |