Basic makefile for MIPS architecture (#2536)

BUG=331000775

tensorflow/lite/micro/tools/make/targets/mips_makefile.inc

@@ -0,0 +1,41 @@
+# Copyright 2023 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ==============================================================================
+
+TARGET_ARCH := mips
+TARGET_TOOLCHAIN_PREFIX := mips-elf-
+
+
+# Allow additional flags on the command line for debugging.
+MIPS_EXTRA_CFLAGS :=
+
+export PATH := $(TARGET_TOOLCHAIN_ROOT):$(PATH)
+
+PLATFORM_FLAGS = \
+  -fno-builtin-printf \
+  -DTF_LITE_MCU_DEBUG_LOG \
+  -DTF_LITE_USE_GLOBAL_CMATH_FUNCTIONS \
+  -fno-delete-null-pointer-checks \
+  -fomit-frame-pointer
+
+CXXFLAGS += $(PLATFORM_FLAGS) \
+  -fpermissive \
+  -fno-use-cxa-atexit \
+  -DTF_LITE_USE_GLOBAL_MIN \
+  -DTF_LITE_USE_GLOBAL_MAX
+
+CCFLAGS += $(PLATFORM_FLAGS)
+
+CCFLAGS += $(MIPS_EXTRA_CFLAGS)
+CXXFLAGS += $(MIPS_EXTRA_CFLAGS)