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Merge branch 'feature/move_rtc_data_rtc_rodata_to_RTC_FAST_seg' into 'master'

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esp32: Add option to place .rtc_data and .rtc_rodata into the RTC_FAST segment

See merge request idf/esp-idf!2128
This commit is contained in:
Ivan Grokhotkov
2018-09-27 13:05:06 +08:00
parent 84d2f510ea ec5eb1e5c2
commit 5ebf4f7022
8 changed files with 387 additions and 8 deletions
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components/esp32/include/esp_attr.h
+7 -1
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@@ -44,9 +44,15 @@
// during a deep sleep / wake cycle.
#define RTC_DATA_ATTR __attribute__((section(".rtc.data")))
// Forces read-only data into RTC slow memory. See "docs/deep-sleep-stub.rst"
// Forces read-only data into RTC memory. See "docs/deep-sleep-stub.rst"
#define RTC_RODATA_ATTR __attribute__((section(".rtc.rodata")))
// Allows to place data into RTC_SLOW memory.
#define RTC_SLOW_ATTR __attribute__((section(".rtc.force_slow")))
// Allows to place data into RTC_FAST memory.
#define RTC_FAST_ATTR __attribute__((section(".rtc.force_fast")))
// Forces data into noinit section to avoid initialization after restart.
#define __NOINIT_ATTR __attribute__((section(".noinit")))