audio: microwakeword: add mww component

app/boards/intel_adsp/Kconfig.defconfig

@@ -87,6 +87,9 @@ config L3_HEAP
 config ZEPHYR_DP_SCHEDULER
 	default y
 
+config DP_TO_DP_BIND
+	default y
+
 config ZEPHYR_NATIVE_DRIVERS
 	default y
 

app/boards/intel_adsp_ace30_ptl.conf

@@ -5,33 +5,59 @@ CONFIG_RIMAGE_SIGNING_SCHEMA="ptl"
 CONFIG_IPC_MAJOR_4=y
 
 # SOF / audio pipeline and module settings
-CONFIG_COMP_TESTER=m
+# cavs25-style static build for PTL: no LLEXT / library-manager /
+# userspace. mww and everything the mww capture pipeline uses is built
+# statically into the base FW image.
+CONFIG_COMP_TESTER=n
 CONFIG_COMP_SRC_IPC4_FULL_MATRIX=y
 CONFIG_FORMAT_CONVERT_HIFI3=n
-
-# SOF / audio modules / mocks
-# This mock is part of official sof-bin releases because the CI that
-# tests it can't use extra CONFIGs. See #9410, #8722 and #9386
-CONFIG_COMP_GOOGLE_RTC_AUDIO_PROCESSING=m
-CONFIG_GOOGLE_RTC_AUDIO_PROCESSING_MOCK=y
-CONFIG_COMP_STFT_PROCESS=y
+CONFIG_COMP_GOOGLE_RTC_AUDIO_PROCESSING=n
+CONFIG_COMP_STFT_PROCESS=n
+CONFIG_SOF_STAGING=y
+CONFIG_COMP_KPB=y
+CONFIG_CPP=y
+CONFIG_STD_CPP17=y
+# tflmcly (stock keyword model) is not GNU-toolchain-clean on aphid;
+# mww builds its own independent TFLM lib copy.
+CONFIG_COMP_TENSORFLOW=n
+CONFIG_COMP_MFCC=y
+CONFIG_COMP_MWW=y
+CONFIG_COMP_MWW_DEBUG_TRACE=y
+CONFIG_COMP_MWW_MODEL_FROM_CONTROL=y
+CONFIG_AMS=y
+CONFIG_STACK_SIZE_EDF=32768
+CONFIG_COMP_VOLUME=y
+CONFIG_COMP_GAIN=y
+CONFIG_COMP_IIR=y
+CONFIG_COMP_SRC=y
+CONFIG_MATH_IIR=y
+# Standard hda-generic components, built statically (cavs25 parity).
+CONFIG_COMP_ARIA=y
+CONFIG_COMP_CROSSOVER=y
+CONFIG_COMP_DRC=y
+CONFIG_COMP_MULTIBAND_DRC=y
+CONFIG_COMP_VOLUME_WINDOWS_FADE=y
+CONFIG_PCM_CONVERTER_FORMAT_S16LE=y
+CONFIG_PCM_CONVERTER_FORMAT_S24LE=y
+CONFIG_PCM_CONVERTER_FORMAT_S32LE=y
+CONFIG_PCM_CONVERTER_FORMAT_S24_3LE=y
 
 # SOF / infrastructure
 CONFIG_KCPS_DYNAMIC_CLOCK_CONTROL=n
+# Match cavs25 static-mww build: 15 ms default IDC timeout is too tight
+# for CREATE_PIPELINE forwarded to a secondary core while the DP scheduler
+# and TFLM tensor-arena setup are in flight.
+CONFIG_IDC_TIMEOUT_US=100000
 CONFIG_PROBE=y
 CONFIG_PROBE_DMA_MAX=2
 CONFIG_SOF_TELEMETRY=y
 CONFIG_SOF_TELEMETRY_IO_PERFORMANCE_MEASUREMENTS=y
 CONFIG_SOF_TELEMETRY_PERFORMANCE_MEASUREMENTS=y
 CONFIG_COLD_STORE_EXECUTE_DRAM=y
 
-# SOF / loadable modules
+# SOF / loadable modules -- disabled for cavs25-style static build.
 CONFIG_INTEL_MODULES=y
-CONFIG_LIBRARY_AUTH_SUPPORT=y
-CONFIG_LIBRARY_MANAGER=y
-CONFIG_LIBRARY_BASE_ADDRESS=0xa0688000
-CONFIG_LIBRARY_BUILD_LIB=y
-CONFIG_LIBRARY_DEFAULT_MODULAR=y
+CONFIG_LIBRARY_MANAGER=n
 
 # SOF / logging
 CONFIG_SOF_LOG_LEVEL_INF=y
@@ -43,12 +69,8 @@ CONFIG_SOF_LOG_LEVEL_INF=y
 CONFIG_DEBUG_COREDUMP_BACKEND_INTEL_ADSP_MEM_WINDOW=y
 CONFIG_DEBUG_COREDUMP_MEMORY_DUMP_MIN=y
 CONFIG_COUNTER=y
-CONFIG_HEAP_MEM_POOL_SIZE=8192
-CONFIG_LLEXT=y
-CONFIG_LLEXT_STORAGE_WRITABLE=y
-CONFIG_LLEXT_EXPERIMENTAL=y
-CONFIG_LLEXT_EDK=n
-CONFIG_MODULES=y
+CONFIG_HEAP_MEM_POOL_SIZE=32768
+CONFIG_COMMON_LIBC_MALLOC_ARENA_SIZE=32768
 
 # Zephyr / device drivers
 CONFIG_DAI_INIT_PRIORITY=70
@@ -73,13 +95,6 @@ CONFIG_LOG_BACKEND_ADSP=n
 CONFIG_LOG_FLUSH_SLEEP_US=5000
 CONFIG_WINSTREAM_CONSOLE=n
 
-# Userspace options
-CONFIG_USERSPACE=y
-CONFIG_DYNAMIC_THREAD=y
-CONFIG_DYNAMIC_THREAD_ALLOC=y
-CONFIG_DYNAMIC_THREAD_PREFER_ALLOC=y
-CONFIG_SOF_STACK_SIZE=8192
-CONFIG_SOF_USERSPACE_PROXY=y
-CONFIG_MAX_THREAD_BYTES=3
-
-CONFIG_MAX_DOMAIN_PARTITIONS=32
+# Diagnostics (kept from LLEXT-era conf while validating static build).
+CONFIG_SYS_HEAP_RUNTIME_STATS=y
+CONFIG_SOF_ZEPHYR_HEAP_SIZE=0x80000

app/boards/intel_adsp_cavs25.conf

@@ -12,13 +12,24 @@ CONFIG_COMP_MFCC=y
 CONFIG_COMP_MULTIBAND_DRC=y
 CONFIG_COMP_VOLUME_WINDOWS_FADE=y
 CONFIG_FORMAT_CONVERT_HIFI3=n
+CONFIG_SOF_STAGING=y
+CONFIG_CPP=y
+CONFIG_STD_CPP17=y
+# cavs2.5 has no LLEXT/module-manager support (see CONFIG_LIBRARY_MANAGER=n
+# below), so build mww in statically rather than as an LLEXT module.
+CONFIG_COMP_MWW=y
+CONFIG_COMP_MWW_DEBUG_TRACE=y
+CONFIG_COMP_MWW_MODEL_FROM_CONTROL=y
+CONFIG_STACK_SIZE_EDF=32768
 CONFIG_PCM_CONVERTER_FORMAT_S16LE=y
 CONFIG_PCM_CONVERTER_FORMAT_S24LE=y
 CONFIG_PCM_CONVERTER_FORMAT_S32LE=y
 CONFIG_PCM_CONVERTER_FORMAT_S24_3LE=y
 
 # SOF / infrastructure
 CONFIG_AMS=y
+CONFIG_IDC_TIMEOUT_US=100000
+CONFIG_P4WQ_INIT_STAGE_EARLY=y
 CONFIG_LP_MEMORY_BANKS=1
 CONFIG_HP_MEMORY_BANKS=30
 
@@ -35,7 +46,8 @@ CONFIG_SOF_LOG_LEVEL_INF=y
 # choices have to be selected per board.
 CONFIG_DEBUG_COREDUMP_BACKEND_INTEL_ADSP_MEM_WINDOW=y
 CONFIG_DEBUG_COREDUMP_MEMORY_DUMP_MIN=y
-CONFIG_HEAP_MEM_POOL_SIZE=8192
+CONFIG_HEAP_MEM_POOL_SIZE=32768
+CONFIG_COMMON_LIBC_MALLOC_ARENA_SIZE=32768
 
 # Zephyr / device drivers
 CONFIG_DAI_INIT_PRIORITY=70

app/llext_relocatable.conf

@@ -1 +1,2 @@
 CONFIG_LLEXT_TYPE_ELF_RELOCATABLE=y
+CONFIG_LLEXT_EXPORT_BUILTINS_BY_SLID=y

scripts/llext_offset_calc.py

@@ -47,6 +47,9 @@ def get_elf_size(elf_name):
 			if section.header['sh_addr'] + section.header['sh_size'] > end:
 				end = section.header['sh_addr'] + section.header['sh_size']
 
+		if start == 0xffffffff:
+			return 0
+
 		size = end - start
 
 	return size

scripts/tensorflow-clone.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 # SPDX-License-Identifier: BSD-3-Clause
-# Copyright(c) 2025 Intel Corporation. All rights reserved.
+# Copyright(c) 2025-2026 Intel Corporation. All rights reserved.
 
 # fail immediately on any errors
 set -e
@@ -14,8 +14,7 @@ declare -a REPOS=(
     "https://github.com/google/ruy"
 )
 
-# Commit ID to check for (optional). If specified, the script will update
-# the repository if this commit ID is not found.  Leave empty to skip.
+# Commit ID to check out. If specified, the script will checkout this commit.
 declare -a COMMIT_ID=(
     "cdedfb1a1044eb774915de21b63a1b6aa93276f6"
     "e86d97b6237f88ab5925c0b41e3e3589a1560d86"
@@ -25,7 +24,10 @@ declare -a COMMIT_ID=(
 )
 
 # Directory where repositories will be cloned/updated.
-BASE_DIR="$HOME/work/sof"  # Or any other desired location
+# Default to the parent directory containing the SOF workspace.
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SOF_PARENT_DIR="$(cd "$SCRIPT_DIR/../.." && pwd)"
+BASE_DIR="${1:-"$SOF_PARENT_DIR"}"
 
 # Function to check if a commit ID exists in a repository
 check_commit() {
@@ -36,40 +38,65 @@ check_commit() {
         return 0  # Skip check if no commit ID is provided
     fi
 
-    if ! git -C "$repo_dir" rev-parse --quiet --verify "$commit_id" >/dev/null 2>&1; then
-        return 1  # Commit ID not found
+    if ! git -C "$repo_dir" rev-parse --quiet --verify "$commit_id^{commit}" >/dev/null 2>&1; then
+        return 1  # Commit ID not found locally
     else
-        return 0  # Commit ID found
+        return 0  # Commit ID found locally
     fi
 }
 
-
 # Function to update the repository
 update_repo() {
     local repo_dir="$1"
     echo "Updating repository: $repo_dir"
-    git -C "$repo_dir" fetch --all
-    git -C "$repo_dir" pull
+    git -C "$repo_dir" fetch --all --tags --prune
+}
+
+# Function to checkout the required commit ID
+checkout_commit() {
+    local repo_dir="$1"
+    local commit_id="$2"
+    local repo_name="$3"
+
+    if [ -z "$commit_id" ]; then
+        return 0
+    fi
+
+    local current_commit
+    current_commit=$(git -C "$repo_dir" rev-parse HEAD)
+
+    local target_commit
+    target_commit=$(git -C "$repo_dir" rev-parse "$commit_id^{commit}")
+
+    if [ "$current_commit" != "$target_commit" ]; then
+        echo "Checking out $commit_id in $repo_name..."
+        git -C "$repo_dir" checkout -q "$commit_id"
+    else
+        echo "Repository $repo_name is already at commit $commit_id."
+    fi
 }
 
 # Main script logic
 mkdir -p "$BASE_DIR"
 
 for ((i = 0; i < ${#REPOS[@]}; i++)); do
-    echo "Counter: $i, Value: ${REPOS[i]}"
-    repo_url=${REPOS[i]}
-
-    repo_name=$(basename "$repo_url" .git)  # Extract repo name
+    repo_url="${REPOS[i]}"
+    commit_id="${COMMIT_ID[i]}"
+    repo_name=$(basename "$repo_url" .git)
     repo_dir="$BASE_DIR/$repo_name"
 
-    if [ ! -d "$repo_dir" ]; then
-        echo "Cloning repository: $repo_url"
+    echo "=== [$((i + 1))/${#REPOS[@]}] $repo_name ==="
+
+    if [ ! -d "$repo_dir/.git" ]; then
+        echo "Cloning repository: $repo_url -> $repo_dir"
         git clone "$repo_url" "$repo_dir" || { echo "git clone failed for $repo_url"; exit 1; }
-    elif ! check_commit "$repo_dir" "${COMMIT_ID[i]}"; then
+    fi
+
+    if ! check_commit "$repo_dir" "$commit_id"; then
         update_repo "$repo_dir"
-    else
-        echo "Repository $repo_name is up to date."
     fi
+
+    checkout_commit "$repo_dir" "$commit_id" "$repo_name"
 done
 
-echo "All repositories processed."
+echo "All repositories processed and checked out to required commits."

scripts/xtensa-build-zephyr.py

@@ -1174,6 +1174,10 @@ def install_lib(platform, sof_output_dir, abs_build_dir, platform_wconfig):
 				symlink_or_copy(lib_install_dir, lib_name,
 						lib_dir, alias_libname)
 
+		for uuid in lib_uuids.get(key, []):
+			linkname = uuid + '.bin'
+			symlink_or_copy(lib_install_dir, lib_name, sof_lib_dir, linkname)
+
 def install_platform(platform, sof_output_dir, platf_build_environ, platform_wconfig):
 
 	# Keep in sync with caller

src/audio/CMakeLists.txt

@@ -56,6 +56,9 @@ if(NOT CONFIG_COMP_MODULE_SHARED_LIBRARY_BUILD)
 	if(CONFIG_COMP_MFCC)
 		add_subdirectory(mfcc)
 	endif()
+	if(CONFIG_COMP_MWW)
+		add_subdirectory(microwakeword)
+	endif()
 	if(CONFIG_COMP_MIXER)
 		add_subdirectory(mixer)
 	endif()

src/audio/Kconfig

@@ -142,6 +142,7 @@ rsource "eq_iir/Kconfig"
 rsource "google/Kconfig"
 rsource "igo_nr/Kconfig"
 rsource "mfcc/Kconfig"
+rsource "microwakeword/Kconfig"
 rsource "mixer/Kconfig"
 rsource "mixin_mixout/Kconfig"
 rsource "module_adapter/Kconfig"

src/audio/buffers/audio_buffer.c

@@ -24,8 +24,16 @@
 int audio_buffer_attach_secondary_buffer(struct sof_audio_buffer *buffer, bool at_input,
 					 struct sof_audio_buffer *secondary_buffer)
 {
+#ifdef CONFIG_DP_TO_DP_BIND
+	/* check per-side: allow attaching on both sides (needed for DP-to-DP) */
+	if (at_input && buffer->secondary_buffer_sink)
+		return -EINVAL;
+	if (!at_input && buffer->secondary_buffer_source)
+		return -EINVAL;
+#else
 	if (buffer->secondary_buffer_sink || buffer->secondary_buffer_source)
 		return -EINVAL;
+#endif
 
 	/* secondary buffer must share audio params with the primary buffer */
 	secondary_buffer->audio_stream_params = buffer->audio_stream_params;
@@ -48,6 +56,18 @@ int audio_buffer_sync_secondary_buffer(struct sof_audio_buffer *buffer, size_t l
 	struct sof_source *data_src;
 	struct sof_sink *data_dst;
 
+#ifdef CONFIG_DP_TO_DP_BIND
+	if (buffer->secondary_buffer_sink && buffer->secondary_buffer_source) {
+		/*
+		 * DP-to-DP case: a single shared ring_buffer is attached on both sides.
+		 * The source DP writes directly to the ring_buffer sink API, and the
+		 * sink DP reads directly from the ring_buffer source API.
+		 * No copying is needed during the LL cycle.
+		 */
+		return 0;
+	}
+#endif
+
 	if (buffer->secondary_buffer_sink) {
 		/*
 		 * audio_buffer sink API is shadowed, that means there's a secondary_buffer
@@ -95,7 +115,12 @@ void audio_buffer_free(struct sof_audio_buffer *buffer)
 	CORE_CHECK_STRUCT(buffer);
 #if CONFIG_PIPELINE_2_0
 	audio_buffer_free(buffer->secondary_buffer_sink);
+#ifdef CONFIG_DP_TO_DP_BIND
+	if (buffer->secondary_buffer_source != buffer->secondary_buffer_sink)
+		audio_buffer_free(buffer->secondary_buffer_source);
+#else
 	audio_buffer_free(buffer->secondary_buffer_source);
+#endif
 #endif /* CONFIG_PIPELINE_2_0 */
 	/* "virtual destructor": free the buffer internals and buffer memory */
 	buffer->ops->free(buffer);
@@ -203,18 +228,14 @@ uint32_t audio_buffer_sink_get_lft(struct sof_sink *sink)
 	return us_in_buffer;
 
 	/*
-	 * TODO, Currently there's no DP to DP connection
-	 * >>> the code below is never accessible and won't work because of cache incoherence <<<
-	 *
-	 * to make DP to DP connection possible:
+	 * NOTE: DP-to-DP connections are now supported via a single shared ring_buffer
+	 * attached as secondary buffer on both sides of a comp_buffer.
 	 *
-	 * 1) module data must be ALWAYS located in non cached memory alias, allowing
-	 *    cross core access to params like period (needed below) and calling
-	 *    module_get_deadline for the next module, regardless of cores the modules are
-	 *    running on
-	 * 2) comp_buffer must be removed from all pipeline code, replaced with a generic abstract
-	 *    class audio_buffer - allowing using comp_buffer and ring_buffer without current
-	 *    "hybrid buffer" solution
+	 * Future improvements:
+	 * 1) module data should be in non-cached memory alias for reliable
+	 *    cross-core access to params like period and deadlines
+	 * 2) comp_buffer should be replaced with generic audio_buffer
+	 *    throughout pipeline code (Pipeline 2.0)
 	 */
 }