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authorWolfgang Denk <wd@denx.de>2007-11-01 22:55:23 +0100
committerWolfgang Denk <wd@denx.de>2007-11-01 22:55:23 +0100
commit5b746c3ea8c72035621435853d5b5278af0a1011 (patch)
tree87dfb1bbd090602c1e715f25d40b303021d69bf7 /mips_config.mk
parentb31f64343ead9482cd439b1adbe4c34026a641b1 (diff)
parent2fa0dd158c0a3faa6e481169c097e8d7fe662581 (diff)
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Merge branch 'master' of /home/wd/git/u-boot/custodians
Diffstat (limited to 'mips_config.mk')
-rw-r--r--mips_config.mk25
1 files changed, 25 insertions, 0 deletions
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