test(mmu): added test for checking esp_mmu_vaddr_to_paddr with psram vaddrs

Author: Icarus113

components/esp_mm/test_apps/mm/CMakeLists.txt

@@ -10,6 +10,16 @@ set(COMPONENTS main esp_psram)
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(mm_test)
 
+string(JOIN "," ignore_refs)
+
+if(CONFIG_SOC_MMU_PER_EXT_MEM_TARGET AND CONFIG_SPIRAM_FLASH_LOAD_TO_PSRAM)
+    # On SOC_MMU_PER_EXT_MEM_TARGET chips, when xip_psram, we need
+    #   - _instruction_reserved_start, _instruction_reserved_end
+    #   - _rodata_reserved_start, _rodata_reserved_end
+    # to do some calculation. As we don't access the addresses, so we disable this check
+    list(APPEND ignore_refs esp_mmu_map_init/*)
+endif()
+
 if(CONFIG_COMPILER_DUMP_RTL_FILES)
     add_custom_target(check_test_app_sections ALL
                       COMMAND ${PYTHON} $ENV{IDF_PATH}/tools/ci/check_callgraph.py
@@ -18,6 +28,7 @@ if(CONFIG_COMPILER_DUMP_RTL_FILES)
                       find-refs
                       --from-sections=.iram0.text
                       --to-sections=.flash.text,.flash.rodata
+                      --ignore-refs=${ignore_refs}
                       --exit-code
                       DEPENDS ${elf}
                       )

components/esp_mm/test_apps/mm/main/test_mmap.c

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -70,3 +70,26 @@ TEST_CASE("Can find paddr caps by any paddr offset", "[mmu]")
 
     TEST_ESP_OK(esp_mmu_unmap(ptr0));
 }
+
+#if CONFIG_SPIRAM
+#if !CONFIG_IDF_TARGET_ESP32  //ESP32 doesn't support using `esp_mmu_map` to map to PSRAM
+TEST_CASE("Can find paddr when mapping to psram", "[mmu]")
+{
+    esp_paddr_t paddr = 0;
+    mmu_target_t target = MMU_TARGET_FLASH0;
+
+    void *vaddr = NULL;
+    esp_err_t err = ESP_FAIL;
+
+    vaddr = heap_caps_malloc(10, MALLOC_CAP_SPIRAM);
+    err = esp_mmu_vaddr_to_paddr(vaddr, &paddr, &target);
+    if (err == ESP_OK) {
+        ESP_LOGI("MMU", "Virtual Address: %p, Physical Address: 0x%lx, Target: %d", vaddr, paddr, target);
+    } else {
+        ESP_LOGE("MMU", "Failed to convert virtual address to physical address: %s", esp_err_to_name(err));
+    }
+
+    TEST_ASSERT(target == MMU_TARGET_PSRAM0);
+}
+#endif  //#if !CONFIG_IDF_TARGET_ESP32
+#endif  //#if CONFIG_SPIRAM

components/esp_mm/test_apps/mm/pytest_mmap.py

@@ -1,6 +1,5 @@
 # SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
 # SPDX-License-Identifier: CC0-1.0
-
 import pytest
 from pytest_embedded import Dut
 
@@ -24,6 +23,7 @@ def test_mmap(dut: Dut) -> None:
     pytest.param('psram_release_esp32', marks=[pytest.mark.esp32]),
     pytest.param('psram_release_esp32s2', marks=[pytest.mark.esp32s2]),
     pytest.param('psram_release_esp32s3', marks=[pytest.mark.esp32s3]),
+    pytest.param('psram_release_esp32p4', marks=[pytest.mark.esp32p4]),
 ]
 
 

components/esp_mm/test_apps/mm/sdkconfig.ci.psram_release_esp32p4

@@ -0,0 +1,6 @@
+CONFIG_IDF_TARGET="esp32p4"
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT=y
+
+CONFIG_SPIRAM=y

components/esp_mm/test_apps/mm/sdkconfig.ci.xip_psram_esp32p4

@@ -0,0 +1,7 @@
+CONFIG_IDF_TARGET="esp32p4"
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT=y
+
+CONFIG_SPIRAM=y
+CONFIG_SPIRAM_XIP_FROM_PSRAM=y