Merge branch 'bugfix/esp_rom_clic_thresh_bug_v5.3' into 'release/v5.3'

fix(rom): fixed esprv_int_set_threshold on C5/C61 (v5.3)

See merge request espressif/esp-idf!31490

Author: jack0c

components/esp_rom/CMakeLists.txt

@@ -69,7 +69,7 @@ if(CONFIG_HAL_WDT_USE_ROM_IMPL)
     list(APPEND sources "patches/esp_rom_wdt.c")
 endif()
 
-if(CONFIG_ESP_ROM_CLIC_INT_TYPE_PATCH)
+if(CONFIG_ESP_ROM_CLIC_INT_TYPE_PATCH OR CONFIG_ESP_ROM_CLIC_INT_THRESH_PATCH)
     list(APPEND sources "patches/esp_rom_clic.c")
 endif()
 

components/esp_rom/esp32c5/mp/esp32c5/Kconfig.soc_caps.in

@@ -82,3 +82,7 @@ config ESP_ROM_HAS_VERSION
 config ESP_ROM_SUPPORT_DEEP_SLEEP_WAKEUP_STUB
     bool
     default y
+
+config ESP_ROM_CLIC_INT_THRESH_PATCH
+    bool
+    default y

components/esp_rom/esp32c5/mp/esp32c5/esp_rom_caps.h

@@ -28,3 +28,4 @@
 #define ESP_ROM_RAM_APP_NEEDS_MMU_INIT      (1) // ROM doesn't init cache MMU when it's a RAM APP, needs MMU hal to init
 #define ESP_ROM_HAS_VERSION                 (1) // ROM has version/eco information
 #define ESP_ROM_SUPPORT_DEEP_SLEEP_WAKEUP_STUB  (1) // ROM supports the HP core to jump to the RTC memory to execute stub code after waking up from deepsleep.
+#define ESP_ROM_CLIC_INT_THRESH_PATCH       (1) // ROM version of esprv_intc_int_set_threshold incorrectly assumes lowest MINTTHRESH is 0x1F, should be 0xF

components/esp_rom/esp32c5/mp/esp32c5/ld/esp32c5.rom.ld

@@ -276,7 +276,6 @@ gpio_pad_hold = 0x40000740;
 
 /* Functions */
 esprv_intc_int_set_priority = 0x40000744;
-esprv_intc_int_set_threshold = 0x40000748;
 esprv_intc_int_enable = 0x4000074c;
 esprv_intc_int_disable = 0x40000750;
 esprv_intc_int_set_type = 0x40000754;

components/esp_rom/patches/esp_rom_clic.c

@@ -1,12 +1,13 @@
 /*
- * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
 
 #include "esp_rom_caps.h"
 #include "soc/clic_reg.h"
 #include "riscv/interrupt.h"
+#include "riscv/rv_utils.h"
 
 #if ESP_ROM_CLIC_INT_TYPE_PATCH
 
@@ -20,3 +21,11 @@ void esprv_int_set_type(int rv_int_num, enum intr_type type)
     REG_SET_FIELD(CLIC_INT_CTRL_REG(rv_int_num + CLIC_EXT_INTR_NUM_OFFSET), CLIC_INT_ATTR_TRIG, type);
 }
 #endif
+
+#if ESP_ROM_CLIC_INT_THRESH_PATCH
+void esprv_int_set_threshold(int priority_threshold)
+{
+    /* ROM functions assume minimum MINTTHRESH is 0x1F, but it is actually 0xF */
+    rv_utils_set_intlevel(priority_threshold);
+}
+#endif //ESP_ROM_CLIC_INT_THRESH_PATCH