[PATCH] Add MIPS64R2 support.

[Steve Ellcey]

There is support for mips64(r1) already in uclibc, this change adds mips64r2
by adding the MIPS64R2 config variable and checking it in Rules.mak.

Signed-off-by: Steve Ellcey <sellcey at mips.com>
---
 Rules.mak                 |    1 +
 extra/Configs/Config.mips |    3 +++
 2 files changed, 4 insertions(+)

diff --git a/Rules.mak b/Rules.mak
index 82a166c..e637362 100644
--- a/Rules.mak
+++ b/Rules.mak
@@ -421,6 +421,7 @@ ifeq ($(TARGET_ARCH),mips)
 	CPU_CFLAGS-$(CONFIG_MIPS_ISA_MIPS32)+=-mips32 -mtune=mips32
 	CPU_CFLAGS-$(CONFIG_MIPS_ISA_MIPS32R2)+=-march=mips32r2 -mtune=mips32r2
 	CPU_CFLAGS-$(CONFIG_MIPS_ISA_MIPS64)+=-mips64 -mtune=mips32
+	CPU_CFLAGS-$(CONFIG_MIPS_ISA_MIPS64R2)+=-mips64r2 -mtune=mips64r2
 	ifeq ($(strip $(ARCH_BIG_ENDIAN)),y)
 		CPU_LDFLAGS-$(CONFIG_MIPS_N64_ABI)+=-Wl,-melf64btsmip
 		CPU_LDFLAGS-$(CONFIG_MIPS_O32_ABI)+=-Wl,-melf32btsmip
diff --git a/extra/Configs/Config.mips b/extra/Configs/Config.mips
index 1f84265..4d30d31 100644
--- a/extra/Configs/Config.mips
+++ b/extra/Configs/Config.mips
@@ -72,4 +72,7 @@ config CONFIG_MIPS_ISA_MIPS32R2
 config CONFIG_MIPS_ISA_MIPS64
 	bool "MIPS64"
 
+config CONFIG_MIPS_ISA_MIPS64R2
+	bool "MIPS64r2"
+
 endchoice
-- 
1.7.9.5