autotest: meson build script clean up

unselected test were built and may failed if the corresponding feature
is not available and/or not defined un devicetree (e.g. SHM)

autotest/Kconfig

@@ -5,6 +5,10 @@ if BUILD_TARGET_AUTOTEST
 
 menu "Autotest configuration"
 
+config AUTOTEST_TIMER_DRIVER
+    bool
+    default n
+
 config TEST_YIELD
     bool "yield test suite"
     default y
@@ -46,11 +50,13 @@ config TEST_SHM
     default y
 
 config TEST_DMA
-    bool "Shared memory manipulation test suite"
+    bool "Direct Memory Access test suite"
+    select TEST_SHM
     default n
 
 config TEST_IRQ
     bool "User interrupts test suite, need timer support at autotest level"
+    select AUTOTEST_TIMER_DRIVER
     default n
 
 endmenu

autotest/include/meson.build

@@ -1,15 +1,19 @@
-# SPDX-FileCopyrightText: 2023-2024 Ledger SAS
+# SPDX-FileCopyrightText: 2023 - 2025 Ledger SAS
 # SPDX-License-Identifier: Apache-2.0
 
 autotest_inc = include_directories('.')
 
+autotest_headerset.add(
+    files(
+        'testlib/assert.h',
+        'testlib/log.h',
+    )
+)
+
 devices_template_h = files(['devices-dt.h.in'])
 devices_dtsgen_h = dtsgen.process(devices_template_h)
+autotest_headerset.add(devices_dtsgen_h)
 
 shm_template_h = files(['shms-dt.h.in'])
 shm_dtsgen_h = dtsgen.process(shm_template_h)
-
-autotest_headers = files(
-    'testlib/assert.h',
-    'testlib/log.h',
-)
+autotest_headerset.add(when: 'CONFIG_TEST_SHM', if_true: shm_dtsgen_h)

autotest/meson.build

@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: 2023-2024 Ledger SAS
+# SPDX-FileCopyrightText: 2023 - 2025 Ledger SAS
 # SPDX-License-Identifier: Apache-2.0
 
 if not with_autotest
@@ -9,6 +9,8 @@ if meson.is_subproject()
 warning('!!! Are you sure you want to build the autotest task as a subproject ?')
 endif
 
+ssmod = import('sourceset')
+
 # local tool for easy ELF parsing to json file
 parseelf = find_program('parseelf.py', required: true, dirs: [meson.project_source_root() / 'tools'])
 
@@ -21,11 +23,15 @@ userspace_args = [
 
 # populated in src
 autotest_ldscript_template = files()
-autotest_drivers_src = []
+autotest_sourceset = ssmod.source_set()
+autotest_headerset = ssmod.source_set()
 
 subdir('include')
 subdir('src')
 
+autotest_sources = autotest_sourceset.apply(kconfig_data, strict: false).sources()
+autotest_headers = autotest_headerset.apply(kconfig_data, strict: false).sources()
+
 autotest_ldscript = custom_target('autotest_ldscript',
     input: autotest_ldscript_template,
     output: '@BASENAME@',
@@ -45,7 +51,7 @@ uapi_inc = include_directories('../uapi/include')
 autotest_elf = executable(
     autotest_task_name,
     name_suffix: 'elf',
-    sources: [autotest_sources, autotest_headers, devices_dtsgen_h, shm_dtsgen_h, autotest_drivers_src ],
+    sources: [ autotest_sources, autotest_headers ],
     include_directories: [ uapi_inc, autotest_inc ],
     dependencies: [ sentry_c_uapi_dep ],
     c_args: [ target_arch_args, global_build_args, userspace_args ],

autotest/src/drivers/timer/meson.build

@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: 2024 Ledger SAS
+# SPDX-FileCopyrightText: 2024 - 2025 Ledger SAS
 # SPDX-License-Identifier: Apache-2.0
 
 # NOTE: the timer identifier may vary from SoC familly to another, and as such
@@ -19,10 +19,11 @@ stm32_timer_dts_template_h = files('stm32-basic-timer-dt.h.in')
 stm32_timer_dts_dtsgen_c = dtsgen.process(stm32_timer_dts_template_c)
 stm32_timer_dts_dtsgen_h = dtsgen.process(stm32_timer_dts_template_h)
 
-autotest_drivers_src += [
+autotest_driver_timer_src += [
     timer_h,
     stm32_timer_dts_dtsgen_c,
     stm32_timer_dts_dtsgen_h,
+    files('stm32-basic-timer.c'),
 ]
 
-autotest_sources += files('stm32-basic-timer.c')
+autotest_sourceset.add(when: 'CONFIG_AUTOTEST_TIMER_DRIVER', if_true: autotest_driver_timer_src)

autotest/src/meson.build

@@ -1,27 +1,18 @@
-# SPDX-FileCopyrightText: 2023 Ledger SAS
+# SPDX-FileCopyrightText: 2023 - 2025 Ledger SAS
 # SPDX-License-Identifier: Apache-2.0
 
-
 # note: to avoid printf implementation redundancy, the kernel lexer for debug
 # print mode is used as-is
-autotest_sources = files(
-  'main.c',
-  'printf.c',
-  'ssp.c',
-  'tests/test_ipc.c',
-  'tests/test_signal.c',
-  'tests/test_handle.c',
-  'tests/test_sleep.c',
-  'tests/test_cycles.c',
-  'tests/test_yield.c',
-  'tests/test_random.c',
-  'tests/test_gpio.c',
-  'tests/test_map.c',
-  'tests/test_shm.c',
-  'tests/test_dma.c',
-  'tests/test_irq.c',
-  '../../kernel/src/managers/debug/log_lexer.c',
+
+autotest_sourceset.add(
+    files(
+        'main.c',
+        'printf.c',
+        'ssp.c',
+        '../../kernel/src/managers/debug/log_lexer.c',
+    )
 )
 
 subdir('arch')
 subdir('drivers')
+subdir('tests')

autotest/src/tests/meson.build

@@ -0,0 +1,15 @@
+# SPDX-FileCopyrightText: 2023 - 2025 Ledger SAS
+# SPDX-License-Identifier: Apache-2.0
+
+autotest_sourceset.add(when: 'CONFIG_TEST_CYCLES', if_true: files('test_cycles.c'))
+autotest_sourceset.add(when: 'CONFIG_TEST_DMA', if_true: files('test_dma.c'))
+autotest_sourceset.add(when: 'CONFIG_TEST_GPIO', if_true: files('test_gpio.c'))
+autotest_sourceset.add(when: 'CONFIG_TEST_HANDLE', if_true: files('test_handle.c'))
+autotest_sourceset.add(when: 'CONFIG_TEST_IPC', if_true: files('test_ipc.c'))
+autotest_sourceset.add(when: 'CONFIG_TEST_IRQ', if_true: files('test_irq.c'))
+autotest_sourceset.add(when: 'CONFIG_TEST_MAP', if_true: files('test_map.c'))
+autotest_sourceset.add(when: 'CONFIG_TEST_RANDOM', if_true: files('test_random.c'))
+autotest_sourceset.add(when: 'CONFIG_TEST_SHM', if_true: files('test_shm.c'))
+autotest_sourceset.add(when: 'CONFIG_TEST_SIGNAL', if_true: files('test_signal.c'))
+autotest_sourceset.add(when: 'CONFIG_TEST_SLEEP', if_true: files('test_sleep.c'))
+autotest_sourceset.add(when: 'CONFIG_TEST_YIELD', if_true: files('test_yield.c'))