Phase 2 (part 5): move the host-built kernel code to src/kernel

AGENTS.md

@@ -31,7 +31,7 @@ moving code, follow it:
 
 * **Place code in the right tier.** OS/HAL/boot/inter-core → a kernel-only directory
   (`kernel/`, which is built into the `sof_kernel` library, and the directories not yet
-  moved there: `arch/`, `drivers/`, `platform/`, `trace/`); audio
+  moved there: `arch/`, `platform/`, `trace/`); audio
   application logic → `audio/`; reusable pure code → a shared-library directory (`lib/`,
   `math/`, `module/`) kept free of privileged operations. Each top-level directory's
   `README.md` states its tier in a "Runs in:" banner — keep it accurate.

CODEOWNERS

@@ -53,15 +53,17 @@ src/platform/mtk/**			@yaochunhung @kuanhsuncheng
 
 # drivers
 src/drivers/intel/dmic.c		@singalsu
-src/drivers/imx/**			@dbaluta
-src/drivers/amd/*			@bhiregoudar @sunilkumardommati
-src/drivers/mediatek/**		@yaochunhung @kuanhsuncheng
+src/kernel/drivers/imx/**		@dbaluta
+src/kernel/drivers/amd/*		@bhiregoudar @sunilkumardommati
+src/kernel/drivers/mediatek/**		@yaochunhung @kuanhsuncheng
 
 # other libs
 src/math/*				@singalsu
 src/ipc/*				@bardliao @tmleman @pblaszko
+src/kernel/ipc/**			@bardliao @tmleman @pblaszko
 # src/lib/*				TODO
 src/schedule				@pblaszko @marcinszkudlinski @dbaluta @LaurentiuM1234
+src/kernel/schedule			@pblaszko @marcinszkudlinski @dbaluta @LaurentiuM1234
 
 # samples
 samples/audio/detect_test.c		@iganakov

scripts/fuzz.sh

@@ -68,8 +68,8 @@ EOFHELP
 
 # To test this test, make the following change locally:
 : <<EOF_TEST_PATCH
---- a/src/ipc/ipc3/handler.c
-+++ b/src/ipc/ipc3/handler.c
+--- a/src/kernel/ipc/ipc3/handler.c
++++ b/src/kernel/ipc/ipc3/handler.c
 @@ -1609,6 +1609,8 @@ void ipc_boot_complete_msg(struct ipc_cmd_hdr *header, uint32_t data)
 
  void ipc_cmd(struct ipc_cmd_hdr *_hdr)

src/CMakeLists.txt

@@ -12,7 +12,7 @@ if(CONFIG_SAMPLES)
 	add_subdirectory(samples)
 endif()
 
-add_subdirectory(drivers)
+add_subdirectory(kernel)
 
 if (CONFIG_TRACE)
 	add_subdirectory(trace)

src/Kconfig

@@ -4,8 +4,6 @@ rsource "arch/Kconfig"
 
 rsource "platform/Kconfig"
 
-rsource "drivers/Kconfig"
-
 rsource "audio/Kconfig"
 
 rsource "trace/Kconfig"

src/audio/README.md

@@ -15,4 +15,5 @@ modules in user context.
 
 When adding a component here, keep it inside the application tier: allocate through the module
 allocation syscalls (`mod_*`), mark any globals shared with the kernel using the partition
-markers, and never call kernel-only subsystems (`drivers/`, `platform/`, `kernel/idc/`) directly.
+markers, and never call kernel-only subsystems (`kernel/drivers/`, `platform/`, `kernel/idc/`)
+directly.

src/audio/dai-zephyr.c

@@ -141,7 +141,7 @@ static int dai_trigger_op(struct dai *dai, int cmd, int direction)
 	return dai_trigger(dev, direction, zephyr_cmd);
 }
 
-/* called from src/ipc/ipc3/handler.c and src/ipc/ipc4/dai.c */
+/* called from src/kernel/ipc/ipc3/handler.c and src/ipc/ipc4/dai.c */
 __cold int dai_set_config(struct dai *dai, struct ipc_config_dai *common_config,
 			  const void *spec_config, size_t size)
 {
@@ -275,7 +275,7 @@ int dai_get_properties_safe(struct dai *dai, int direction,
 	return ret;
 }
 
-/* called from ipc/ipc3/dai.c */
+/* called from kernel/ipc/ipc3/dai.c */
 int dai_get_handshake(struct dai *dai, int direction, int stream_id)
 {
 	struct dai_properties props;
@@ -288,7 +288,7 @@ int dai_get_handshake(struct dai *dai, int direction, int stream_id)
 	return props.dma_hs_id;
 }
 
-/* called from ipc/ipc3/dai.c and ipc/ipc4/dai.c */
+/* called from kernel/ipc/ipc3/dai.c and ipc/ipc4/dai.c */
 int dai_get_fifo_depth(struct dai *dai, int direction)
 {
 	struct dai_properties props;

src/include/sof/userspace/README.md

@@ -74,7 +74,7 @@ its subdirectories span all tiers.
 
 | Tier | Meaning | Directories |
 |------|---------|-------------|
-| **Kernel-only** | OS integration, HAL, boot, inter-core. Never executes in a user thread. Must not be reached directly from user code — only via a syscall. | `kernel/` (see [its README](../../../kernel/README.md)), `arch/`, `drivers/`, `platform/`, `trace/` * |
+| **Kernel-only** | OS integration, HAL, boot, inter-core. Never executes in a user thread. Must not be reached directly from user code — only via a syscall. | `kernel/` (see [its README](../../../kernel/README.md)), `arch/`, `platform/`, `trace/` * |
 | **Boundary / bridge** | Owns the syscalls and the thread / memory-domain setup. Split internally: some translation units run kernel-side, some user-side (e.g. `handler-kernel.c` vs `handler-user.c`). | `schedule/`, `ipc/`, `debug/debug_stream/` *, and (in the Zephyr integration tree) `zephyr/syscall/` |
 | **Application** | Audio pipeline / component logic that runs in user threads under userspace configs. | `audio/` |
 | **Shared library** | Context-agnostic code linked into whichever context calls it. Must stay "user-safe": no privileged operations (no direct MMIO, no spinlocks held across syscalls, no raw kernel object access) so it is safe when pulled into a user build. | `math/`, `module/` |
@@ -116,7 +116,7 @@ syscall by subsystem:
 
 | Subsystem | Syscalls | Declared in | Validator (`z_vrfy_`) / logic (`z_impl_`) |
 |-----------|----------|-------------|-------------------------------------------|
-| IPC | `ipc_msg_send`, `ipc_msg_list_remove`, `ipc_msg_reply`, `ipc_compound_pre_start`, `ipc_compound_post_start`, `ipc_wait_for_compound_msg`, `send_resource_notif` | `sof/ipc/msg.h`, `sof/ipc/ipc_reply.h`, `ipc4/handler.h`, `ipc4/notification.h` | scattered: `ipc/ipc-common.c`, `ipc/ipc3/helper.c`, `ipc/ipc4/handler-kernel.c`, `ipc/ipc4/notification.c` |
+| IPC | `ipc_msg_send`, `ipc_msg_list_remove`, `ipc_msg_reply`, `ipc_compound_pre_start`, `ipc_compound_post_start`, `ipc_wait_for_compound_msg`, `send_resource_notif` | `sof/ipc/msg.h`, `sof/ipc/ipc_reply.h`, `ipc4/handler.h`, `ipc4/notification.h` | scattered: `ipc/ipc-common.c`, `kernel/ipc/ipc3/helper.c`, `kernel/ipc/ipc4/handler-kernel.c`, `kernel/ipc/ipc4/notification.c` |
 | Heap alloc | `sof_heap_alloc`, `sof_heap_free` | `rtos/alloc.h` | `zephyr/syscall/alloc.c` / `zephyr/lib/alloc.c` |
 | Virtual regions | `vregion_create_map`, `vregion_set_interim`, `vregion_get`, `vregion_put`, `vregion_alloc_align`, `vregion_alloc_coherent_align`, `vregion_free` | `sof/lib/vregion.h` | `zephyr/syscall/vregion.c` / `zephyr/lib/vregion.c` |
 | DMA | `sof_dma_get`, `sof_dma_put`, `sof_dma_get_attribute`, `sof_dma_request_channel`, `sof_dma_release_channel`, `sof_dma_config`, `sof_dma_start`, `sof_dma_stop`, `sof_dma_get_status`, `sof_dma_reload`, `sof_dma_suspend`, `sof_dma_resume` | `sof/lib/sof_dma.h` | `zephyr/syscall/sof_dma.c` / `lib/dma.c` (get/put); remaining 10 are `static inline z_impl_*` in `sof/lib/sof_dma.h` |

src/ipc/CMakeLists.txt

@@ -1,16 +1,13 @@
 # SPDX-License-Identifier: BSD-3-Clause
 
-if (CONFIG_IPC_MAJOR_3)
-	add_subdirectory(ipc3)
-elseif (CONFIG_IPC_MAJOR_4)
-        add_subdirectory(ipc4)
+if (CONFIG_IPC_MAJOR_4)
+	add_subdirectory(ipc4)
 endif()
 
 # Common to Zephyr and XTOS
 add_local_sources(sof
 	ipc-common.c
 	ipc-helper.c
-	notification_pool.c
 )
 
 is_zephyr(zephyr)

src/ipc/README.md

@@ -2,8 +2,9 @@
 
 > **Runs in:** Boundary / bridge — the kernel receives and dispatches IPC, then forwards
 > module-facing commands to a user thread. The split is visible in the file names
-> (`ipc4/handler-kernel.c` vs `ipc4/handler-user.c`, `ipc4/notification-user.c`), and this
-> subsystem hosts the `ipc_msg_*`, `ipc_compound_*` and `send_resource_notif` syscalls. See
+> (`src/kernel/ipc/ipc4/handler-kernel.c` vs `ipc4/handler-user.c`,
+> `ipc4/notification-user.c`), and this subsystem hosts the `ipc_msg_*`, `ipc_compound_*` and
+> `send_resource_notif` syscalls. See
 > [User/kernel split](../include/sof/userspace/README.md).
 
 This directory contains the common foundation for all Inter-Processor Communication (IPC) within the Sound Open Firmware (SOF) project. It bridges the gap between hardware mailbox interrupts and the version-specific (IPC3/IPC4) message handlers.

src/ipc/ipc4/CMakeLists.txt

@@ -3,10 +3,7 @@
 # Files common to Zephyr and XTOS
 add_local_sources(sof
 	handler-user.c
-	handler-kernel.c
 	helper.c
-	logging.c
-	notification.c
 	notification-user.c
 )
 

src/ipc/ipc4/README.md

@@ -1,8 +1,9 @@
 # IPC4 Architecture
 
-> **Runs in:** Boundary / bridge — `handler-kernel.c` runs in the kernel dispatcher;
-> `handler-user.c` and `notification-user.c` run in the user thread that services modules. The
-> `z_vrfy_`/`z_impl_` pairs for the compound-message and reply syscalls live here. See
+> **Runs in:** Boundary / bridge — `handler-user.c` and `notification-user.c` run in the user
+> thread that services modules. Their kernel counterparts, `handler-kernel.c` (the kernel
+> dispatcher) and `notification.c`, are in `src/kernel/ipc/ipc4`, together with the
+> `z_vrfy_`/`z_impl_` pairs for the compound-message, reply and notification syscalls. See
 > [User/kernel split](../../include/sof/userspace/README.md).
 
 This directory holds the handlers and topology parsing logic for Inter-Processor Communication Version 4. IPC4 introduces a significantly denser, compound-command structure heavily based around the concept of "pipelines" and dynamic "modules" rather than static DSP stream roles.

src/kernel/CMakeLists.txt

@@ -2,21 +2,28 @@
 
 # Code that only runs in kernel mode, see scripts/kernel_user_partition.txt.
 
+# Zephyr adds this directory from zephyr/CMakeLists.txt, the host builds
+# (testbench, host library) from src/CMakeLists.txt.
+
 is_zephyr(zephyr)
 if(zephyr)
 	# Build everything below into the sof_kernel library created in
 	# zephyr/CMakeLists.txt instead of modules_sof. This only sets the
 	# variable for this directory and its subdirectories.
 	set(ZEPHYR_CURRENT_LIBRARY sof_kernel)
+
+	# Only built for Zephyr
+	add_subdirectory(audio)
+	add_subdirectory(debug)
+	add_subdirectory(idc)
+	add_subdirectory(init)
+	add_subdirectory(library_manager)
+	add_subdirectory(logging)
+	add_subdirectory(probe)
+	add_subdirectory(schedule)
 endif()
 
-add_subdirectory(audio)
-add_subdirectory(debug)
-add_subdirectory(idc)
-add_subdirectory(init)
+# Built for Zephyr and for the host
+add_subdirectory(drivers)
 add_subdirectory(ipc)
 add_subdirectory(lib)
-add_subdirectory(library_manager)
-add_subdirectory(logging)
-add_subdirectory(probe)
-add_subdirectory(schedule)

src/kernel/Kconfig

@@ -4,6 +4,8 @@
 
 rsource "debug/telemetry/Kconfig"
 
+rsource "drivers/Kconfig"
+
 rsource "idc/Kconfig"
 
 rsource "library_manager/Kconfig"

src/drivers/README.md → src/kernel/drivers/README.md

@@ -1,9 +1,9 @@
-# Device Drivers (`src/drivers`)
+# Device Drivers (`src/kernel/drivers`)
 
 > **Runs in:** Kernel-only — hardware/HAL access runs in supervisor context and is never
 > executed from a user thread. User-space audio code reaches driver functionality only through
 > SOF syscalls (e.g. the `sof_dma_*` and `dai_get_device` calls). See
-> [User/kernel split](../include/sof/userspace/README.md).
+> [User/kernel split](../../include/sof/userspace/README.md).
 
 This directory contains low-level device drivers and hardware abstraction. Because it touches
 MMIO, interrupts and other privileged resources, nothing here is mapped into a user memory

src/kernel/ipc/CMakeLists.txt

@@ -1,5 +1,14 @@
 # SPDX-License-Identifier: BSD-3-Clause
 
+if (CONFIG_IPC_MAJOR_3)
+	add_subdirectory(ipc3)
+elseif (CONFIG_IPC_MAJOR_4)
+	add_subdirectory(ipc4)
+endif()
+
+# Files common to Zephyr and the host library
+add_local_sources(sof notification_pool.c)
+
 is_zephyr(zephyr)
 if(zephyr)
 	if (CONFIG_SOC_SERIES_INTEL_CAVS_V25 OR CONFIG_SOC_SERIES_INTEL_ADSP_ACE)

src/ipc/ipc3/host-page-table.c → src/kernel/ipc/ipc3/host-page-table.c

@@ -19,7 +19,7 @@ LOG_MODULE_DECLARE(ipc, CONFIG_SOF_LOG_LEVEL);
 /*
  * Size in bytes of the DSP-side buffer that receives the compressed host page
  * table. DSP targets define PLATFORM_PAGE_TABLE_SIZE; the host/library builds
- * (e.g. testbench, fuzzer) allocate it as HOST_PAGE_SIZE in drivers/host/ipc.c
+ * (e.g. testbench, fuzzer) allocate it as HOST_PAGE_SIZE in kernel/drivers/host/ipc.c
  * and do not define PLATFORM_PAGE_TABLE_SIZE, so fall back to that.
  */
 #ifndef PLATFORM_PAGE_TABLE_SIZE

src/kernel/ipc/ipc4/CMakeLists.txt

@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: BSD-3-Clause
+
+# Files common to Zephyr and the host library
+add_local_sources(sof
+	handler-kernel.c
+	logging.c
+	notification.c
+)

src/kernel/lib/CMakeLists.txt

@@ -1,5 +1,14 @@
 # SPDX-License-Identifier: BSD-3-Clause
 
+if(CONFIG_LIBRARY)
+  add_local_sources(sof agent.c)
+  return()
+endif()
+
+if(CONFIG_HAVE_AGENT)
+  add_local_sources(sof agent.c)
+endif()
+
 if(CONFIG_AMS)
   add_local_sources(sof ams.c)
 endif()

src/lib/CMakeLists.txt

@@ -5,16 +5,11 @@ set(common_files notifier.c dma.c dai.c objpool.c)
 if(CONFIG_LIBRARY)
   add_local_sources(sof
     lib.c
-    agent.c
     ${common_files}
     )
   return()
 endif()
 
-if(CONFIG_HAVE_AGENT)
-  add_local_sources(sof agent.c)
-endif()
-
 is_zephyr(zephyr)
 if(zephyr) ###  Zephyr ###
 

src/lib/dai.c

@@ -339,7 +339,7 @@ static void dai_set_device_params(struct dai *d)
 	}
 }
 
-/* called from ipc/ipc3/handler.c and some platform.c files */
+/* called from kernel/ipc/ipc3/handler.c and some platform.c files */
 __cold struct dai *dai_get(uint32_t type, uint32_t index, uint32_t flags)
 {
 	const struct device *dev;
@@ -381,7 +381,7 @@ __cold struct dai *dai_get(uint32_t type, uint32_t index, uint32_t flags)
 	return d;
 }
 
-/* called from src/ipc/ipc3/handler.c */
+/* called from src/kernel/ipc/ipc3/handler.c */
 __cold void dai_put(struct dai *dai)
 {
 	int ret;

src/platform/posix/ipc.c

@@ -352,7 +352,7 @@ static void fuzz_isr(const void *arg)
 // The harness also mirrors the framed message into MAILBOX_HOSTBOX so
 // that handlers reading payload directly from the hostbox region
 // (large_config_set/get, set_dx, set_pipeline_state, vendor_config and
-// friends in ipc4/handler-user.c and ipc4/handler-kernel.c) observe
+// friends in ipc4/handler-user.c and kernel/ipc/ipc4/handler-kernel.c) observe
 // the fuzz bytes rather than stale or zero-filled memory.
 //
 // The two IPC majors split header and payload differently:

test/cmocka/src/audio/buffer/CMakeLists.txt

@@ -12,7 +12,7 @@ cmocka_test(buffer_copy
 	${PROJECT_SOURCE_DIR}/src/module/audio/source_api.c
 	${PROJECT_SOURCE_DIR}/src/module/audio/sink_api.c
 
-	${PROJECT_SOURCE_DIR}/src/ipc/ipc3/helper.c
+	${PROJECT_SOURCE_DIR}/src/kernel/ipc/ipc3/helper.c
 	${PROJECT_SOURCE_DIR}/src/ipc/ipc-common.c
 	${PROJECT_SOURCE_DIR}/src/ipc/ipc-helper.c
 	${PROJECT_SOURCE_DIR}/src/audio/pipeline/pipeline-graph.c
@@ -36,7 +36,7 @@ cmocka_test(buffer_new
 	${PROJECT_SOURCE_DIR}/src/audio/audio_stream.c
 	${PROJECT_SOURCE_DIR}/src/module/audio/source_api.c
 	${PROJECT_SOURCE_DIR}/src/module/audio/sink_api.c
-	${PROJECT_SOURCE_DIR}/src/ipc/ipc3/helper.c
+	${PROJECT_SOURCE_DIR}/src/kernel/ipc/ipc3/helper.c
 	${PROJECT_SOURCE_DIR}/src/ipc/ipc-common.c
 	${PROJECT_SOURCE_DIR}/src/ipc/ipc-helper.c
 	${PROJECT_SOURCE_DIR}/src/audio/pipeline/pipeline-graph.c
@@ -60,7 +60,7 @@ cmocka_test(buffer_wrap
 	${PROJECT_SOURCE_DIR}/src/audio/audio_stream.c
 	${PROJECT_SOURCE_DIR}/src/module/audio/source_api.c
 	${PROJECT_SOURCE_DIR}/src/module/audio/sink_api.c
-	${PROJECT_SOURCE_DIR}/src/ipc/ipc3/helper.c
+	${PROJECT_SOURCE_DIR}/src/kernel/ipc/ipc3/helper.c
 	${PROJECT_SOURCE_DIR}/src/ipc/ipc-common.c
 	${PROJECT_SOURCE_DIR}/src/ipc/ipc-helper.c
 	${PROJECT_SOURCE_DIR}/src/audio/pipeline/pipeline-graph.c
@@ -84,7 +84,7 @@ cmocka_test(buffer_write
 	${PROJECT_SOURCE_DIR}/src/audio/audio_stream.c
 	${PROJECT_SOURCE_DIR}/src/module/audio/source_api.c
 	${PROJECT_SOURCE_DIR}/src/module/audio/sink_api.c
-	${PROJECT_SOURCE_DIR}/src/ipc/ipc3/helper.c
+	${PROJECT_SOURCE_DIR}/src/kernel/ipc/ipc3/helper.c
 	${PROJECT_SOURCE_DIR}/src/ipc/ipc-common.c
 	${PROJECT_SOURCE_DIR}/src/ipc/ipc-helper.c
 	${PROJECT_SOURCE_DIR}/src/audio/pipeline/pipeline-graph.c

test/cmocka/src/audio/component/CMakeLists.txt

@@ -5,7 +5,7 @@ cmocka_test(comp_set_state
 	${PROJECT_SOURCE_DIR}/src/math/numbers.c
 	${PROJECT_SOURCE_DIR}/src/audio/component.c
 	${PROJECT_SOURCE_DIR}/src/audio/data_blob.c
-	${PROJECT_SOURCE_DIR}/src/ipc/ipc3/helper.c
+	${PROJECT_SOURCE_DIR}/src/kernel/ipc/ipc3/helper.c
 	${PROJECT_SOURCE_DIR}/test/cmocka/src/notifier_mocks.c
 	${PROJECT_SOURCE_DIR}/src/ipc/ipc-common.c
 	${PROJECT_SOURCE_DIR}/src/ipc/ipc-helper.c

test/cmocka/src/audio/dcblock/CMakeLists.txt

@@ -39,7 +39,7 @@ add_library(audio_for_dcblock STATIC
 	${PROJECT_SOURCE_DIR}/src/audio/data_blob.c
 	${PROJECT_SOURCE_DIR}/src/module/audio/source_api.c
 	${PROJECT_SOURCE_DIR}/src/module/audio/sink_api.c
-	${PROJECT_SOURCE_DIR}/src/ipc/ipc3/helper.c
+	${PROJECT_SOURCE_DIR}/src/kernel/ipc/ipc3/helper.c
 	${PROJECT_SOURCE_DIR}/src/ipc/ipc-common.c
 	${PROJECT_SOURCE_DIR}/src/ipc/ipc-helper.c
 	${PROJECT_SOURCE_DIR}/src/lib/objpool.c

test/cmocka/src/audio/eq_fir/CMakeLists.txt

@@ -35,7 +35,7 @@ add_library(audio_for_eq_fir STATIC
 	${PROJECT_SOURCE_DIR}/src/audio/data_blob.c
 	${PROJECT_SOURCE_DIR}/src/module/audio/source_api.c
 	${PROJECT_SOURCE_DIR}/src/module/audio/sink_api.c
-	${PROJECT_SOURCE_DIR}/src/ipc/ipc3/helper.c
+	${PROJECT_SOURCE_DIR}/src/kernel/ipc/ipc3/helper.c
 	${PROJECT_SOURCE_DIR}/src/ipc/ipc-common.c
 	${PROJECT_SOURCE_DIR}/src/ipc/ipc-helper.c
 	${PROJECT_SOURCE_DIR}/src/lib/objpool.c

test/cmocka/src/audio/eq_iir/CMakeLists.txt

@@ -38,7 +38,7 @@ add_library(audio_for_eq_iir STATIC
 	${PROJECT_SOURCE_DIR}/src/audio/data_blob.c
 	${PROJECT_SOURCE_DIR}/src/module/audio/source_api.c
 	${PROJECT_SOURCE_DIR}/src/module/audio/sink_api.c
-	${PROJECT_SOURCE_DIR}/src/ipc/ipc3/helper.c
+	${PROJECT_SOURCE_DIR}/src/kernel/ipc/ipc3/helper.c
 	${PROJECT_SOURCE_DIR}/src/ipc/ipc-common.c
 	${PROJECT_SOURCE_DIR}/src/ipc/ipc-helper.c
 	${PROJECT_SOURCE_DIR}/src/lib/objpool.c

test/cmocka/src/audio/mixer/CMakeLists.txt

@@ -7,7 +7,7 @@ cmocka_test(mixer
 	${PROJECT_SOURCE_DIR}/src/audio/mixer/mixer.c
 	${PROJECT_SOURCE_DIR}/src/audio/mixer/mixer_generic.c
 	${PROJECT_SOURCE_DIR}/src/audio/mixer/mixer_hifi3.c
-	${PROJECT_SOURCE_DIR}/src/ipc/ipc3/helper.c
+	${PROJECT_SOURCE_DIR}/src/kernel/ipc/ipc3/helper.c
 	${PROJECT_SOURCE_DIR}/src/ipc/ipc-common.c
 	${PROJECT_SOURCE_DIR}/src/ipc/ipc-helper.c
 	${PROJECT_SOURCE_DIR}/src/lib/objpool.c