Merge branch 'feature/linux_esp_time_new' into 'master'

feat(esp_timer): Adds support Linux target

Closes IDF-5723

See merge request espressif/esp-idf!49358

tools/test_apps/components/test_utils/CMakeLists.txt

@@ -1,3 +1,4 @@
+idf_build_get_property(target IDF_TARGET)
 idf_build_get_property(arch IDF_TARGET_ARCH)
 
 set(srcs "memory_checks.c"
@@ -13,12 +14,18 @@ if(CONFIG_IDF_TARGET_ESP32)
     list(APPEND srcs "ref_clock_impl_rmt_pcnt.c")
 elseif(CONFIG_SOC_GPTIMER_SUPPORTED)
     list(APPEND srcs "ref_clock_impl_timergroup.c")
+elseif(CONFIG_IDF_TARGET_LINUX)
+    list(APPEND srcs "ref_clock_impl_linux.c")
 endif()
 
-if("${arch}" STREQUAL "xtensa")
-    set(priv_requires perfmon esp_driver_pcnt esp_driver_gptimer esp_driver_rmt esp_netif)
+if(${target} STREQUAL "linux")
+    set(priv_requires "")
 else()
-    set(priv_requires esp_driver_pcnt esp_driver_gptimer esp_driver_rmt esp_netif)
+    if("${arch}" STREQUAL "xtensa")
+        set(priv_requires perfmon esp_driver_pcnt esp_driver_gptimer esp_driver_rmt esp_netif)
+    else()
+        set(priv_requires esp_driver_pcnt esp_driver_gptimer esp_driver_rmt esp_netif)
+    endif()
 endif()
 
 idf_component_register(SRCS ${srcs}

tools/test_apps/components/test_utils/ref_clock_impl_linux.c

@@ -0,0 +1,28 @@
+/*
+ * SPDX-FileCopyrightText: 2026 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <assert.h>
+#include <time.h>
+
+void ref_clock_init(void)
+{
+
+}
+
+void ref_clock_deinit(void)
+{
+
+}
+
+uint64_t ref_clock_get(void)
+{
+    struct timespec current_time;
+    assert(clock_gettime(CLOCK_MONOTONIC, &current_time) == 0);
+
+    uint64_t ref_ticks = current_time.tv_sec * 1000000;
+    ref_ticks += (current_time.tv_nsec / 1000);
+    return ref_ticks;
+}

tools/test_apps/components/test_utils/test_runner.c

@@ -12,7 +12,9 @@
 #include "unity.h"
 #include "unity_test_runner.h"
 #include "test_utils.h"
+#ifndef CONFIG_IDF_TARGET_LINUX
 #include "esp_newlib.h"
+#endif // !CONFIG_IDF_TARGET_LINUX
 #include "memory_checks.h"
 
 #ifdef CONFIG_HEAP_TRACING
@@ -99,8 +101,10 @@ void tearDown(void)
     /* some FreeRTOS stuff is cleaned up by idle task */
     vTaskDelay(5);
 
+#ifndef CONFIG_IDF_TARGET_LINUX
     /* clean up some of the newlib's lazy allocations */
     esp_reent_cleanup();
+#endif // !CONFIG_IDF_TARGET_LINUX
 
     /* We want the teardown to have this file in the printout if TEST_ASSERT fails */
     const char *real_testfile = Unity.TestFile;

tools/test_apps/components/test_utils/test_utils.c

@@ -9,8 +9,10 @@
 #include "test_utils.h"
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
+#ifndef CONFIG_IDF_TARGET_LINUX
 #include "esp_netif.h"
 #include "lwip/sockets.h"
+#endif // !CONFIG_IDF_TARGET_LINUX
 #include "sdkconfig.h"
 #include "memory_checks.h"
 
@@ -23,6 +25,7 @@ const esp_partition_t *get_test_data_partition(void)
     return result;
 }
 
+#ifndef CONFIG_IDF_TARGET_LINUX
 void test_case_uses_tcpip(void)
 {
     // Can be called more than once, does nothing on subsequent calls
@@ -50,6 +53,7 @@ void test_case_uses_tcpip(void)
     test_utils_set_leak_level(0, ESP_LEAK_TYPE_CRITICAL, ESP_COMP_LEAK_GENERAL);
     test_utils_set_leak_level(CONFIG_UNITY_CRITICAL_LEAK_LEVEL_LWIP, ESP_LEAK_TYPE_CRITICAL, ESP_COMP_LEAK_LWIP);
 }
+#endif // !CONFIG_IDF_TARGET_LINUX
 
 // wait user to send "Enter" key or input parameter
 static void wait_user_control(char* parameter_buf, uint8_t buf_len)