[arch][mips] allow the platform to select a particular mips implementation

arch/mips/rules.mk

@@ -36,17 +36,22 @@ GLOBAL_LDFLAGS += -EL
 GLOBAL_MODULE_LDFLAGS += -EL
 endif
 
-ARCH_COMPILEFLAGS := -march=m14k -mno-gpopt
+ARCH_COMPILEFLAGS := -mno-gpopt
 ARCH_OPTFLAGS := -O2
 
+ifeq ($(MIPS_CPU),m14k)
+ARCH_COMPILEFLAGS += -march=m14k
+endif
+ifeq ($(MIPS_CPU),microaptiv-uc)
+ARCH_COMPILEFLAGS += -march=m14k
+endif
+
 LIBGCC := $(shell $(TOOLCHAIN_PREFIX)gcc $(GLOBAL_COMPILEFLAGS) $(ARCH_COMPILEFLAGS) $(GLOBAL_CFLAGS) -print-libgcc-file-name)
 $(info LIBGCC = $(LIBGCC))
 
 cc-option = $(shell if test -z "`$(1) $(2) -S -o /dev/null -xc /dev/null 2>&1`"; \
 	then echo "$(2)"; else echo "$(3)"; fi ;)
 
-GLOBAL_LDFLAGS += -relax
-
 KERNEL_BASE ?= $(MEMBASE)
 KERNEL_LOAD_OFFSET ?= 0
 VECTOR_BASE_PHYS ?= 0

platform/qemu-mips/rules.mk

@@ -3,7 +3,7 @@ LOCAL_DIR := $(GET_LOCAL_DIR)
 MODULE := $(LOCAL_DIR)
 
 ARCH := mips
-MIPS_CPU := mips32
+MIPS_CPU := m14k
 
 MODULE_DEPS += \
     lib/cbuf