Disable CORE 1 and CORE 1 cache to allocate another IRAM segment of 32k

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safetycaptain
Posts: 3
Joined: Wed Mar 13, 2019 6:43 pm

Disable CORE 1 and CORE 1 cache to allocate another IRAM segment of 32k

Postby safetycaptain » Thu May 09, 2019 9:21 pm

Hello all,

I'm wondering if anyone has ventured into getting another 32k of IRAM when disabling core 1.
I'll be diving into this soon, just figured i would put out some feelers into the community.
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ESP_Sprite
Posts: 9766
Joined: Thu Nov 26, 2015 4:08 am

Re: Disable CORE 1 and CORE 1 cache to allocate another IRAM segment of 32k

Postby ESP_Sprite » Fri May 10, 2019 1:51 am

It should happen automatically when you disable core 1 in menuconfig.
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WiFive
Posts: 3529
Joined: Tue Dec 01, 2015 7:35 am

Re: Disable CORE 1 and CORE 1 cache to allocate another IRAM segment of 32k

Postby WiFive » Fri May 10, 2019 3:17 am

ESP_Sprite wrote: ↑
Fri May 10, 2019 1:51 am
 It should happen automatically when you disable core 1 in menuconfig.
It doesn't reserve the region so it can be added to iram heap but it isn't available to the linker for iram.

https://github.com/espressif/esp-idf/bl ... out.c#L134

https://github.com/espressif/esp-idf/bl ... p32.ld#L31
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