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Make sure the address starts on a cache line boundary.

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This commit is contained in:
Olivier Houchard 2012-11-21 01:38:40 +00:00
parent d7649ea3a3
commit 95122b9404
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=243359
1 changed files with 13 additions and 1 deletions
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14
sys/arm/arm/pl310.c
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@ -180,9 +180,13 @@ static void
pl310_wbinv_range(vm_paddr_t start, vm_size_t size)
{
if (start & g_l2cache_align_mask) {
size += start & g_l2cache_align_mask;
start &= ~g_l2cache_align_mask;
}
if (size & g_l2cache_align_mask) {
size &= ~g_l2cache_align_mask;
size += g_l2cache_line_size;
size += g_l2cache_line_size;
}
#if 1
@ -217,6 +221,10 @@ static void
pl310_wb_range(vm_paddr_t start, vm_size_t size)
{
if (start & g_l2cache_align_mask) {
size += start & g_l2cache_align_mask;
start &= ~g_l2cache_align_mask;
}
if (size & g_l2cache_align_mask) {
size &= ~g_l2cache_align_mask;
size += g_l2cache_line_size;
@ -235,6 +243,10 @@ static void
pl310_inv_range(vm_paddr_t start, vm_size_t size)
{
if (start & g_l2cache_align_mask) {
size += start & g_l2cache_align_mask;
start &= ~g_l2cache_align_mask;
}
if (size & g_l2cache_align_mask) {
size &= ~g_l2cache_align_mask;
size += g_l2cache_line_size;