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esp32: allow up to 8 kB of ULP program size

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The remaining 4 kB had been reserved for storing RF calibration and
BT stack state since 4e092be6. However, these features never got
implemented. If we ever need to place RF related data into RTC slow
memory, we can do this by creating a variable with RTC_NOINIT_ATTR
instead.

Closes https://github.com/espressif/esp-idf/issues/3993
This commit is contained in:
Ivan Grokhotkov
2020-10-05 11:41:39 +02:00
parent 001a6be9b1
commit ef10c2576f
2 changed files with 2 additions and 3 deletions
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3
components/esp_rom/include/esp32/rom/rtc.h
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@@ -45,8 +45,7 @@ extern "C" {
*************************************************************************************
* rtc memory addr type size usage
* 0x3ff61000(0x50000000) Slow SIZE_CP Co-Processor code/Reset Entry
* 0x3ff61000+SIZE_CP Slow 4096-SIZE_CP
* 0x3ff62800 Slow 4096 Reserved
* 0x3ff61000+SIZE_CP Slow 8192-SIZE_CP
*
* 0x3ff80000(0x400c0000) Fast 8192 deep sleep entry code
*