aboutsummaryrefslogtreecommitdiffstats
path: root/arch/sparc64/kernel/tsb.S
diff options
context:
space:
mode:
authorDavid S. Miller <davem@sunset.davemloft.net>2006-02-12 00:57:54 -0500
committerDavid S. Miller <davem@sunset.davemloft.net>2006-03-20 04:12:25 -0500
commitc4bce90ea2069e5a87beac806de3090ab32128d5 (patch)
tree3983a206c8060ef65ba17945d1c9f69e68d88b3d /arch/sparc64/kernel/tsb.S
parent490384e752a43aa281ed533e9de2da36df25c337 (diff)
[SPARC64]: Deal with PTE layout differences in SUN4V.
Yes, you heard it right, they changed the PTE layout for SUN4V. Ho hum... This is the simple and inefficient way to support this. It'll get optimized, don't worry. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/tsb.S')
-rw-r--r--arch/sparc64/kernel/tsb.S9
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/sparc64/kernel/tsb.S b/arch/sparc64/kernel/tsb.S
index 667dcb077be7..be8f0892d721 100644
--- a/arch/sparc64/kernel/tsb.S
+++ b/arch/sparc64/kernel/tsb.S
@@ -56,10 +56,11 @@ tsb_reload:
56 /* If it is larger than the base page size, don't 56 /* If it is larger than the base page size, don't
57 * bother putting it into the TSB. 57 * bother putting it into the TSB.
58 */ 58 */
59 srlx %g5, 32, %g2 59 sethi %hi(_PAGE_ALL_SZ_BITS), %g7
60 sethi %hi(_PAGE_ALL_SZ_BITS >> 32), %g7 60 ldx [%g7 + %lo(_PAGE_ALL_SZ_BITS)], %g7
61 and %g2, %g7, %g2 61 and %g5, %g7, %g2
62 sethi %hi(_PAGE_SZBITS >> 32), %g7 62 sethi %hi(_PAGE_SZBITS), %g7
63 ldx [%g7 + %lo(_PAGE_SZBITS)], %g7
63 cmp %g2, %g7 64 cmp %g2, %g7
64 bne,a,pn %xcc, tsb_tlb_reload 65 bne,a,pn %xcc, tsb_tlb_reload
65 TSB_STORE(%g1, %g0) 66 TSB_STORE(%g1, %g0)