Specifications

alt_remap_uncached()
Prototype
volatile void* alt_remap_uncached (void* ptr,
alt_u32 len);
Commonly Called By
C/C++ programs
Device drivers
Thread-safe
Yes.
Available from ISR
No.
Include
<sys/alt_cache.h>
Description
The alt_remap_uncached() function remaps a region of memory for uncached access. The memory to
map is len bytes, starting at address ptr.
Processors that do not have a data cache return uncached memory.
Return
The return value for this function is the remapped memory region.
Related Information
• alt_dcache_flush() on page 14-3
• 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_uncached_free() on page 14-6
• alt_uncached_malloc() on page 14-5
alt_remap_cached()
Prototype
void* alt_remap_cached (volatile void* ptr,
alt_u32 len);
NII5V2
2015.05.14
alt_remap_uncached()
14-7
HAL API Reference
Altera Corporation
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