Specifications

alt_dcache_flush()

Prototype

void alt_dcache_flush (void* start, alt_u32 len)

Commonly Called By

C/C++ programs

Device drivers

Thread-safe

Yes.

Available from ISR

Yes.

Include

Description

The alt_dcache_flush() function flushes the data cache for a memory region of length len bytes,

starting at address start. Flushing the cache consists of writing back dirty data and then invalidating the

cache.

In processors without data caches, it has no effect.

Return

Related Information

• alt_dcache_flush_all() on page 14-3

• alt_icache_flush() on page 14-9

• alt_icache_flush_all() on page 14-8

• alt_remap_cached() on page 14-7

• alt_remap_uncached() on page 14-7

• alt_uncached_free() on page 14-6

• alt_uncached_malloc() on page 14-5

alt_dcache_flush_all()

Prototype

void alt_dcache_flush_all (void)

Commonly Called By

C/C++ programs

NII5V2

2015.05.14

alt_dcache_flush()

14-3

HAL API Reference

Altera Corporation

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