In Hard Processor System (HPS) software, which HWLib API should I use if I want to perform cache writeback to synchronize the cache with main memory?

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In Hard Processor System (HPS) software, what HWLib API should I use if I want to do a cache writeback to synchronize the cache and main memory?

SoC FPGA SoC EDS/DS-5

Category: SoC

The API used to reflect the contents of the cache to DDR, etc. (memory) is one of the following.

- ALT_STATUS_CODE alt_cache_system_clean (void * vaddress, size_t length);
- ALT_STATUS_CODE alt_cache_system_purge (void * vaddress, size_t length);

The difference between the two is whether to execute only writing back the cache contents (XXX_clean) or execute until Invalidate of the cache after writing back the cache contents (XXX_purge).
See the HWLib documentation for details.

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