mirror of
https://github.com/0xFEEDC0DE64/arduino-esp32.git
synced 2025-10-31 14:11:42 +01:00
42 lines
1.5 KiB
C
42 lines
1.5 KiB
C
// Copyright 2015-2016 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.
|
|
#ifndef __ESP_ATTR_H__
|
|
#define __ESP_ATTR_H__
|
|
|
|
#define ROMFN_ATTR
|
|
|
|
//Normally, the linker script will put all code and rodata in flash,
|
|
//and all variables in shared RAM. These macros can be used to redirect
|
|
//particular functions/variables to other memory regions.
|
|
|
|
// Forces code into IRAM instead of flash
|
|
#define IRAM_ATTR __attribute__((section(".iram1")))
|
|
|
|
// Forces data into DRAM instead of flash
|
|
#define DRAM_ATTR __attribute__((section(".dram1")))
|
|
|
|
// Forces code into RTC fast memory
|
|
#define RTC_IRAM_ATTR __attribute__((section(".rtc.text")))
|
|
|
|
// Forces data into RTC slow memory
|
|
// Any variable marked with this attribute will keep its value
|
|
// during a deep sleep / wake cycle.
|
|
#define RTC_DATA_ATTR __attribute__((section(".rtc.data")))
|
|
|
|
// Forces read-only data into RTC slow memory
|
|
// Makes constant data available to RTC wake stubs (see esp_deepsleep.h)
|
|
#define RTC_RODATA_ATTR __attribute__((section(".rtc.rodata")))
|
|
|
|
#endif /* __ESP_ATTR_H__ */
|