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sleep: fix checking length of RTC data sections

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_rtc_data_{start,end} can now describe data placed into RTC_FAST
segment, if CONFIG_ESP32_RTCDATA_IN_FAST_MEM is enabled.
Use new _rtc_slow_length symbol instead.
This commit is contained in:
Ivan Grokhotkov 2018-09-29 14:01:35 +08:00
parent 70412928de
commit c4a712b0bc
1 changed files with 3 additions and 7 deletions
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10
components/esp32/sleep_modes.c
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@ -637,15 +637,11 @@ static uint32_t get_power_down_flags()
// If there is any data placed into .rtc.data or .rtc.bss segments, and
// RTC_SLOW_MEM is Auto, keep it powered up as well.
// These labels are defined in the linker script:
extern int _rtc_data_start, _rtc_data_end,
_rtc_bss_start, _rtc_bss_end,
_rtc_noinit_start, _rtc_noinit_end;
// Labels are defined in the linker script, see esp32.ld.
extern int _rtc_slow_length;
if ((s_config.pd_options[ESP_PD_DOMAIN_RTC_SLOW_MEM] == ESP_PD_OPTION_AUTO) &&
(&_rtc_data_end > &_rtc_data_start ||
&_rtc_bss_end > &_rtc_bss_start ||
&_rtc_noinit_end > &_rtc_noinit_start ||
((size_t) &_rtc_slow_length > 0 ||
(s_config.wakeup_triggers & RTC_ULP_TRIG_EN))) {
s_config.pd_options[ESP_PD_DOMAIN_RTC_SLOW_MEM] = ESP_PD_OPTION_ON;
}