esp-system: move uncessary IRAM functions to flash

components/esp_system/linker.lf

@@ -5,6 +5,8 @@ entries:
         panic (noflash)
         panic_handler (noflash)
         panic_arch (noflash)
+        cache_err_int:esp_cache_err_get_cpuid (noflash)
+        reset_reason:esp_reset_reason_get_hint (noflash)
 
     esp_err (noflash)
     esp_system_chip:esp_system_abort (noflash)

components/esp_system/port/soc/esp32/cache_err_int.c

@@ -67,7 +67,7 @@ void esp_cache_err_int_init(void)
     ESP_INTR_ENABLE(ETS_MEMACCESS_ERR_INUM);
 }
 
-int IRAM_ATTR esp_cache_err_get_cpuid(void)
+int esp_cache_err_get_cpuid(void)
 {
     const uint32_t pro_mask =
             DPORT_PRO_CPU_DISABLED_CACHE_IA_DRAM1 |

components/esp_system/port/soc/esp32/reset_reason.c

@@ -1,16 +1,8 @@
-// Copyright 2018 Espressif Systems (Shanghai) PTE LTD
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/*
+ * SPDX-FileCopyrightText: 2018-2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
 #include "esp_system.h"
 #include "esp_rom_sys.h"
@@ -103,7 +95,7 @@ void IRAM_ATTR esp_reset_reason_set_hint(esp_reset_reason_t hint)
 }
 
 /* in IRAM, can be called from panic handler */
-esp_reset_reason_t IRAM_ATTR esp_reset_reason_get_hint(void)
+esp_reset_reason_t esp_reset_reason_get_hint(void)
 {
     uint32_t reset_reason_hint = REG_READ(RTC_RESET_CAUSE_REG);
     uint32_t high = (reset_reason_hint >> RST_REASON_SHIFT) & RST_REASON_MASK;

components/esp_system/port/soc/esp32c2/cache_err_int.c

@@ -72,7 +72,7 @@ void esp_cache_err_int_init(void)
     ESP_INTR_ENABLE(ETS_CACHEERR_INUM);
 }
 
-int IRAM_ATTR esp_cache_err_get_cpuid(void)
+int esp_cache_err_get_cpuid(void)
 {
     return 0;
 }

components/esp_system/port/soc/esp32c2/reset_reason.c

@@ -84,7 +84,7 @@ void IRAM_ATTR esp_reset_reason_set_hint(esp_reset_reason_t hint)
 }
 
 /* in IRAM, can be called from panic handler */
-esp_reset_reason_t IRAM_ATTR esp_reset_reason_get_hint(void)
+esp_reset_reason_t esp_reset_reason_get_hint(void)
 {
     uint32_t reset_reason_hint = REG_READ(RTC_RESET_CAUSE_REG);
     uint32_t high = (reset_reason_hint >> RST_REASON_SHIFT) & RST_REASON_MASK;

components/esp_system/port/soc/esp32c3/cache_err_int.c

@@ -72,7 +72,7 @@ void esp_cache_err_int_init(void)
     ESP_INTR_ENABLE(ETS_CACHEERR_INUM);
 }
 
-int IRAM_ATTR esp_cache_err_get_cpuid(void)
+int esp_cache_err_get_cpuid(void)
 {
     return 0;
 }

components/esp_system/port/soc/esp32c3/reset_reason.c

@@ -97,7 +97,7 @@ void IRAM_ATTR esp_reset_reason_set_hint(esp_reset_reason_t hint)
 }
 
 /* in IRAM, can be called from panic handler */
-esp_reset_reason_t IRAM_ATTR esp_reset_reason_get_hint(void)
+esp_reset_reason_t esp_reset_reason_get_hint(void)
 {
     uint32_t reset_reason_hint = REG_READ(RTC_RESET_CAUSE_REG);
     uint32_t high = (reset_reason_hint >> RST_REASON_SHIFT) & RST_REASON_MASK;

components/esp_system/port/soc/esp32c6/cache_err_int.c

@@ -52,7 +52,7 @@ void esp_cache_err_int_init(void)
     ESP_INTR_ENABLE(ETS_CACHEERR_INUM);
 }
 
-int IRAM_ATTR esp_cache_err_get_cpuid(void)
+int esp_cache_err_get_cpuid(void)
 {
     return 0;
 }

components/esp_system/port/soc/esp32c6/reset_reason.c

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -94,7 +94,7 @@ void IRAM_ATTR esp_reset_reason_set_hint(esp_reset_reason_t hint)
 }
 
 /* in IRAM, can be called from panic handler */
-esp_reset_reason_t IRAM_ATTR esp_reset_reason_get_hint(void)
+esp_reset_reason_t esp_reset_reason_get_hint(void)
 {
     uint32_t reset_reason_hint = REG_READ(RTC_RESET_CAUSE_REG);
     uint32_t high = (reset_reason_hint >> RST_REASON_SHIFT) & RST_REASON_MASK;

components/esp_system/port/soc/esp32h2/cache_err_int.c

@@ -52,7 +52,7 @@ void esp_cache_err_int_init(void)
     ESP_INTR_ENABLE(ETS_CACHEERR_INUM);
 }
 
-int IRAM_ATTR esp_cache_err_get_cpuid(void)
+int esp_cache_err_get_cpuid(void)
 {
     return 0;
 }

components/esp_system/port/soc/esp32h2/reset_reason.c

@@ -94,7 +94,7 @@ void IRAM_ATTR esp_reset_reason_set_hint(esp_reset_reason_t hint)
 }
 
 /* in IRAM, can be called from panic handler */
-esp_reset_reason_t IRAM_ATTR esp_reset_reason_get_hint(void)
+esp_reset_reason_t esp_reset_reason_get_hint(void)
 {
     uint32_t reset_reason_hint = REG_READ(RTC_RESET_CAUSE_REG);
     uint32_t high = (reset_reason_hint >> RST_REASON_SHIFT) & RST_REASON_MASK;

components/esp_system/port/soc/esp32h4/cache_err_int.c

@@ -72,7 +72,7 @@ void esp_cache_err_int_init(void)
     ESP_INTR_ENABLE(ETS_CACHEERR_INUM);
 }
 
-int IRAM_ATTR esp_cache_err_get_cpuid(void)
+int esp_cache_err_get_cpuid(void)
 {
     return 0;
 }

components/esp_system/port/soc/esp32h4/reset_reason.c

@@ -94,7 +94,7 @@ void IRAM_ATTR esp_reset_reason_set_hint(esp_reset_reason_t hint)
 }
 
 /* in IRAM, can be called from panic handler */
-esp_reset_reason_t IRAM_ATTR esp_reset_reason_get_hint(void)
+esp_reset_reason_t esp_reset_reason_get_hint(void)
 {
     uint32_t reset_reason_hint = REG_READ(RTC_RESET_CAUSE_REG);
     uint32_t high = (reset_reason_hint >> RST_REASON_SHIFT) & RST_REASON_MASK;

components/esp_system/port/soc/esp32s2/cache_err_int.c

@@ -67,7 +67,7 @@ void esp_cache_err_int_init(void)
     ESP_INTR_ENABLE(ETS_MEMACCESS_ERR_INUM);
 }
 
-int IRAM_ATTR esp_cache_err_get_cpuid(void)
+int esp_cache_err_get_cpuid(void)
 {
     if (REG_READ(EXTMEM_CACHE_DBG_STATUS0_REG) != 0 ||
         REG_READ(EXTMEM_CACHE_DBG_STATUS1_REG) != 0) {

components/esp_system/port/soc/esp32s2/reset_reason.c

@@ -1,16 +1,8 @@
-// Copyright 2018 Espressif Systems (Shanghai) PTE LTD
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/*
+ * SPDX-FileCopyrightText: 2018-2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
 #include "esp_system.h"
 #include "esp_rom_sys.h"
@@ -102,7 +94,7 @@ void IRAM_ATTR esp_reset_reason_set_hint(esp_reset_reason_t hint)
 }
 
 /* in IRAM, can be called from panic handler */
-esp_reset_reason_t IRAM_ATTR esp_reset_reason_get_hint(void)
+esp_reset_reason_t esp_reset_reason_get_hint(void)
 {
     uint32_t reset_reason_hint = REG_READ(RTC_RESET_CAUSE_REG);
     uint32_t high = (reset_reason_hint >> RST_REASON_SHIFT) & RST_REASON_MASK;

components/esp_system/port/soc/esp32s3/cache_err_int.c

@@ -70,7 +70,7 @@ void esp_cache_err_int_init(void)
     ESP_INTR_ENABLE(ETS_CACHEERR_INUM);
 }
 
-int IRAM_ATTR esp_cache_err_get_cpuid(void)
+int esp_cache_err_get_cpuid(void)
 {
     if (cache_ll_l1_get_access_error_intr_status(0, CACHE_LL_L1_ACCESS_EVENT_MASK)) {
         return PRO_CPU_NUM;

components/esp_system/port/soc/esp32s3/reset_reason.c

@@ -1,16 +1,8 @@
-// Copyright 2018 Espressif Systems (Shanghai) PTE LTD
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/*
+ * SPDX-FileCopyrightText: 2018-2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
 #include "esp_system.h"
 #include "esp_rom_sys.h"
@@ -100,7 +92,7 @@ void IRAM_ATTR esp_reset_reason_set_hint(esp_reset_reason_t hint)
 }
 
 /* in IRAM, can be called from panic handler */
-esp_reset_reason_t IRAM_ATTR esp_reset_reason_get_hint(void)
+esp_reset_reason_t esp_reset_reason_get_hint(void)
 {
     uint32_t reset_reason_hint = REG_READ(RTC_RESET_CAUSE_REG);
     uint32_t high = (reset_reason_hint >> RST_REASON_SHIFT) & RST_REASON_MASK;

tools/ci/check_copyright_ignore.txt

@@ -561,13 +561,10 @@ components/esp_system/port/public_compat/cache_err_int.h
 components/esp_system/port/public_compat/trax.h
 components/esp_system/port/soc/esp32/cache_err_int.h
 components/esp_system/port/soc/esp32/intr.c
-components/esp_system/port/soc/esp32/reset_reason.c
 components/esp_system/port/soc/esp32c3/apb_backup_dma.c
 components/esp_system/port/soc/esp32c3/cache_err_int.h
 components/esp_system/port/soc/esp32s2/cache_err_int.h
-components/esp_system/port/soc/esp32s2/reset_reason.c
 components/esp_system/port/soc/esp32s3/cache_err_int.h
-components/esp_system/port/soc/esp32s3/reset_reason.c
 components/esp_system/test/test_delay.c
 components/esp_system/test/test_reset_reason.c
 components/esp_system/test/test_stack_check.c