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Use the direct mapping, if available, for pmap_zero_page_xscale() as well.

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This commit is contained in:
Olivier Houchard 2007-10-16 20:40:04 +00:00
parent 58590eb06b
commit f60a7dc355
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=172713
1 changed files with 15 additions and 0 deletions
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15
sys/arm/arm/pmap.c
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@ -4114,9 +4114,23 @@ pmap_zero_page_generic(vm_paddr_t phys, int off, int size)
void
pmap_zero_page_xscale(vm_paddr_t phys, int off, int size)
{
#ifdef ARM_USE_SMALL_ALLOC
char *dstpg;
#endif
if (_arm_bzero && size >= _min_bzero_size &&
_arm_bzero((void *)(phys + off), size, IS_PHYSICAL) == 0)
return;
#ifdef ARM_USE_SMALL_ALLOC
dstpg = (char *)arm_ptovirt(phys);
if (off || size != PAGE_SIZE) {
bzero(dstpg + off, size);
cpu_dcache_wbinv_range((vm_offset_t)(dstpg + off), size);
} else {
bzero_page((vm_offset_t)dstpg);
cpu_dcache_wbinv_range((vm_offset_t)dstpg, PAGE_SIZE);
}
#else
mtx_lock(&cmtx);
/*
* Hook in the page, zero it, and purge the cache for that
@ -4134,6 +4148,7 @@ pmap_zero_page_xscale(vm_paddr_t phys, int off, int size)
bzero_page(cdstp);
mtx_unlock(&cmtx);
xscale_cache_clean_minidata();
#endif
}
/*