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author | nwhitehorn <nwhitehorn@FreeBSD.org> | 2013-10-21 22:25:54 +0000 |
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committer | nwhitehorn <nwhitehorn@FreeBSD.org> | 2013-10-21 22:25:54 +0000 |
commit | 62181629ffb40993f74f44382538e67b8ecfd7ef (patch) | |
tree | 78ceeca31cba2c70c64225343ae26c1efe0d3064 /sys/powerpc/booke | |
parent | 2470f9f00db07ec89ad8a5a86fd365ba49929a3a (diff) | |
download | FreeBSD-src-62181629ffb40993f74f44382538e67b8ecfd7ef.zip FreeBSD-src-62181629ffb40993f74f44382538e67b8ecfd7ef.tar.gz |
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.
Diffstat (limited to 'sys/powerpc/booke')
-rw-r--r-- | sys/powerpc/booke/pmap.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/powerpc/booke/pmap.c b/sys/powerpc/booke/pmap.c index 7b9a5d3..9406a4a 100644 --- a/sys/powerpc/booke/pmap.c +++ b/sys/powerpc/booke/pmap.c @@ -2613,6 +2613,8 @@ mmu_booke_mapdev(mmu_t mmu, vm_paddr_t pa, vm_size_t size) va = (pa >= 0x80000000) ? pa : (0xe2000000 + pa); res = (void *)va; + if (size < PAGE_SIZE) + size = PAGE_SIZE; do { sz = 1 << (ilog2(size) & ~1); |