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Update Xtensa NNLib to 09_03_2026 and enable hifi_iq download #3703

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Update Xtensa NNLib to 09_03_2026 and enable hifi_iq download #3703

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34 changes: 34 additions & 0 deletions tensorflow/lite/micro/tools/make/ext_libs/xtensa.inc
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,40 @@ ifeq ($(TARGET_ARCH), hifimini)
THIRD_PARTY_CC_HDRS += \
$(shell find $(FFT_PATH)/hifi2_fft -name "*.h")

else ifeq ($(TARGET_ARCH), hifi_iq)
DOWNLOAD_RESULT := $(shell $(MAKEFILE_DIR)/ext_libs/xtensa_download.sh ${DOWNLOADS_DIR} hifi_iq $(TENSORFLOW_ROOT))
ifneq ($(DOWNLOAD_RESULT), SUCCESS)
$(error Something went wrong with the xtensa download: $(DOWNLOAD_RESULT))
endif

PLATFORM_FLAGS = \
-Wno-shadow\

CCFLAGS += $(PLATFORM_FLAGS)
CXXFLAGS += $(PLATFORM_FLAGS)

NNLIB_PATH := $(MAKEFILE_DIR)/downloads/xa_nnlib_hifi_iq

THIRD_PARTY_KERNEL_CC_SRCS += \
$(shell find $(NNLIB_PATH) -name "*.c")

EXCLUDED_NNLIB_SRCS = \
$(NNLIB_PATH)/algo/layers/cnn/src/xa_nn_cnn_api.c \
$(NNLIB_PATH)/algo/layers/gru/src/xa_nn_gru_api.c \
$(NNLIB_PATH)/algo/layers/lstm/src/xa_nn_lstm_api.c \

THIRD_PARTY_KERNEL_CC_SRCS := $(filter-out $(EXCLUDED_NNLIB_SRCS), $(THIRD_PARTY_KERNEL_CC_SRCS))

THIRD_PARTY_CC_HDRS += \
$(shell find $(NNLIB_PATH) -name "*.h") \

INCLUDES += \
-I$(NNLIB_PATH)/ \
-I$(NNLIB_PATH)/algo/kernels/ \
-I$(NNLIB_PATH)/include/nnlib/ \
-I$(NNLIB_PATH)/include/ \
-I$(NNLIB_PATH)/algo/common/include/ \

else ifeq ($(TARGET_ARCH), hifi5)
DOWNLOAD_RESULT := $(shell $(MAKEFILE_DIR)/ext_libs/xtensa_download.sh ${DOWNLOADS_DIR} hifi5 $(TENSORFLOW_ROOT))
ifneq ($(DOWNLOAD_RESULT), SUCCESS)
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16 changes: 10 additions & 6 deletions tensorflow/lite/micro/tools/make/ext_libs/xtensa_download.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -41,17 +41,21 @@ DOWNLOADS_DIR=${1}
PATCH=""

if [[ ${2} == "hifi3" ]]; then
LIBRARY_URL="http://github.com/foss-xtensa/nnlib-hifi4/raw/master/archive/xa_nnlib_hifi4_09_30_2025.zip"
LIBRARY_URL="http://github.com/foss-xtensa/nnlib-hifi4/raw/master/archive/xa_nnlib_hifi4_09_03_2026.zip"
LIBRARY_DIRNAME="xa_nnlib_hifi4"
LIBRARY_MD5="a1cba57501a35d0bffdd39c536689366"
LIBRARY_MD5="69537cd86952b02aa6ed566d4a6f0c08"
elif [[ ${2} == "hifi4" ]]; then
LIBRARY_URL="http://github.com/foss-xtensa/nnlib-hifi4/raw/master/archive/xa_nnlib_hifi4_09_30_2025.zip"
LIBRARY_URL="http://github.com/foss-xtensa/nnlib-hifi4/raw/master/archive/xa_nnlib_hifi4_09_03_2026.zip"
LIBRARY_DIRNAME="xa_nnlib_hifi4"
LIBRARY_MD5="a1cba57501a35d0bffdd39c536689366"
LIBRARY_MD5="69537cd86952b02aa6ed566d4a6f0c08"
elif [[ ${2} == "hifi5" ]]; then
LIBRARY_URL="http://github.com/foss-xtensa/nnlib-hifi5/raw/master/archive/xa_nnlib_hifi5_09_30_2025.zip"
LIBRARY_URL="http://github.com/foss-xtensa/nnlib-hifi5/raw/master/archive/xa_nnlib_hifi5_09_03_2026.zip"
LIBRARY_DIRNAME="xa_nnlib_hifi5"
LIBRARY_MD5="f3ac445ae47143b1fddf26b85d763697"
LIBRARY_MD5="2fbe7a4459609f257b43fb1d2cdc2339"
elif [[ ${2} == "hifi_iq" ]]; then
LIBRARY_URL="http://github.com/foss-xtensa/nnlib-hifi_iq/raw/main/archive/xa_nnlib_hifi_iq_09_03_2026.zip"
LIBRARY_DIRNAME="xa_nnlib_hifi_iq"
LIBRARY_MD5="050f2e27b5b68068a3b4d00a1b449013"
elif [[ ${2} == "vision_p6" ]]; then
LIBRARY_URL="https://github.com/foss-xtensa/tflmlib_vision/raw/main/archive/xi_tflmlib_vision_p6_22_06_29.zip"
LIBRARY_DIRNAME="xi_tflmlib_vision_p6"
Expand Down
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