Author: nwhitehorn
Date: Mon Oct 21 22:25:54 2013
New Revision: 256864
URL: http://svnweb.freebsd.org/changeset/base/256864
Log:
Make hard-wired TLB allocations be at minimum one page. This is required by
some implementations, most notably (in my case) QEMU's e500 emulation.
Modified:
head/sys/powerpc/booke/pmap.c
Modified: head/sys/powerpc/booke/pmap.c
==============================================================================
--- head/sys/powerpc/booke/pmap.c Mon Oct 21 21:32:24 2013
(r256863)
+++ head/sys/powerpc/booke/pmap.c Mon Oct 21 22:25:54 2013
(r256864)
@@ -2613,6 +2613,8 @@ mmu_booke_mapdev(mmu_t mmu, vm_paddr_t p
va = (pa >= 0x80000000) ? pa : (0xe2000000 + pa);
res = (void *)va;
+ if (size < PAGE_SIZE)
+ size = PAGE_SIZE;
do {
sz = 1 << (ilog2(size) & ~1);
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