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Spiram: Add option to reserve MMU banks; add himem API to make use of those banks

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Jeroen Domburg
2018-06-29 11:05:36 +08:00
parent 299704cec3
commit 81e35a142a
24 changed files with 1055 additions and 27 deletions
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docs/en/api-reference/system/mem_alloc.rst
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@@ -40,6 +40,9 @@ which it can't do for a normal malloc() call. This can help to use all the avail
Memory allocated with MALLOC_CAP_32BIT can *only* be accessed via 32-bit reads and writes, any other type of access will
generate a fatal LoadStoreError exception.
External SPI RAM under 4MiB in size can be allocated using standard ``malloc`` calls, if that is enabled in menuconfig. To
use the region above the 4MiB limit, you can use the :doc:`himem API</api-reference/system/himem>`.
API Reference - Heap Allocation
-------------------------------