diff options
| author |   David S. Miller <davem@sunset.davemloft.net> | 2006-02-11 21:57:54 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-03-20 01:12:25 -0800 |
| commit | c4bce90ea2069e5a87beac806de3090ab32128d5 (patch) | |
| tree | 3983a206c8060ef65ba17945d1c9f69e68d88b3d /arch/sparc64/kernel/itlb_miss.S | |
| parent | [SPARC64]: Register kernel TSB with hypervisor. (diff) | |
| download | linux-dev-c4bce90ea2069e5a87beac806de3090ab32128d5.tar.xz linux-dev-c4bce90ea2069e5a87beac806de3090ab32128d5.zip | |
[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/itlb_miss.S')
| -rw-r--r-- | arch/sparc64/kernel/itlb_miss.S | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/sparc64/kernel/itlb_miss.S b/arch/sparc64/kernel/itlb_miss.S index 97facce27aad..730caa4a1506 100644 --- a/arch/sparc64/kernel/itlb_miss.S +++ b/arch/sparc64/kernel/itlb_miss.S @@ -6,9 +6,10 @@ nop ! Delay slot (fill me) TSB_LOAD_QUAD(%g1, %g4) ! Load TSB entry cmp %g4, %g6 ! Compare TAG - sethi %hi(_PAGE_EXEC), %g4 ! Setup exec check + sethi %hi(PAGE_EXEC), %g4 ! Setup exec check /* ITLB ** ICACHE line 2: TSB compare and TLB load */ + ldx [%g4 + %lo(PAGE_EXEC)], %g4 bne,pn %xcc, tsb_miss_itlb ! Miss mov FAULT_CODE_ITLB, %g3 andcc %g5, %g4, %g0 ! Executable? @@ -16,7 +17,6 @@ nop ! Delay slot, fill me stxa %g5, [%g0] ASI_ITLB_DATA_IN ! Load TLB retry ! Trap done - nop /* ITLB ** ICACHE line 3: */ nop |