kopia lustrzana https://github.com/espressif/esp-idf
42 wiersze
1.5 KiB
C
42 wiersze
1.5 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef __ESP_ATTR_H__
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#define __ESP_ATTR_H__
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#define ROMFN_ATTR
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//Normally, the linker script will put all code and rodata in flash,
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//and all variables in shared RAM. These macros can be used to redirect
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//particular functions/variables to other memory regions.
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// Forces code into IRAM instead of flash
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#define IRAM_ATTR __attribute__((section(".iram1")))
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// Forces data into DRAM instead of flash
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#define DRAM_ATTR __attribute__((section(".dram1")))
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// Forces code into RTC fast memory
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#define RTC_IRAM_ATTR __attribute__((section(".rtc.text")))
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// Forces data into RTC slow memory
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// Any variable marked with this attribute will keep its value
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// during a deep sleep / wake cycle.
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#define RTC_DATA_ATTR __attribute__((section(".rtc.data")))
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// Forces read-only data into RTC slow memory
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// Makes constant data available to RTC wake stubs (see esp_deepsleep.h)
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#define RTC_RODATA_ATTR __attribute__((section(".rtc.rodata")))
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#endif /* __ESP_ATTR_H__ */
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