diff options
Diffstat (limited to 'include/asm-sparc64')
| -rw-r--r-- | include/asm-sparc64/tsb.h | 8 | ||||
| -rw-r--r-- | include/asm-sparc64/ttable.h | 12 |
2 files changed, 14 insertions, 6 deletions
diff --git a/include/asm-sparc64/tsb.h b/include/asm-sparc64/tsb.h index 7f3abc32c4dd..6e6768067e38 100644 --- a/include/asm-sparc64/tsb.h +++ b/include/asm-sparc64/tsb.h @@ -12,6 +12,8 @@ * * ldxa [%g0] ASI_{D,I}MMU_TSB_8KB_PTR, %g1 * ldxa [%g0] ASI_{D,I}MMU, %g6 + * sllx %g6, 22, %g6 + * srlx %g6, 22, %g6 * ldda [%g1] ASI_NUCLEUS_QUAD_LDD, %g4 * cmp %g4, %g6 * bne,pn %xcc, tsb_miss_{d,i}tlb @@ -29,6 +31,9 @@ * ------------------------------------------------- * 63 61 60 48 47 42 41 0 * + * But actually, since we use per-mm TSB's, we zero out the CONTEXT + * field. + * * Like the powerpc hashtables we need to use locking in order to * synchronize while we update the entries. PTE updates need locking * as well. @@ -42,6 +47,9 @@ #define TSB_TAG_LOCK_BIT 47 #define TSB_TAG_LOCK_HIGH (1 << (TSB_TAG_LOCK_BIT - 32)) +#define TSB_TAG_INVALID_BIT 46 +#define TSB_TAG_INVALID_HIGH (1 << (TSB_TAG_INVALID_BIT - 32)) + #define TSB_MEMBAR membar #StoreStore /* Some cpus support physical address quad loads. We want to use diff --git a/include/asm-sparc64/ttable.h b/include/asm-sparc64/ttable.h index 9e28b240f3aa..2d5e3c464df5 100644 --- a/include/asm-sparc64/ttable.h +++ b/include/asm-sparc64/ttable.h @@ -184,20 +184,20 @@ ldxa [%g0] ASI_SCRATCHPAD, %g2; \ ldx [%g2 + HV_FAULT_I_ADDR_OFFSET], %g4; \ ldx [%g2 + HV_FAULT_I_CTX_OFFSET], %g5; \ - srlx %g4, 22, %g7; \ - sllx %g5, 48, %g6; \ + srlx %g4, 22, %g6; \ ba,pt %xcc, sun4v_itsb_miss; \ - or %g6, %g7, %g6; \ + nop; \ + nop; \ nop; #define SUN4V_DTSB_MISS \ ldxa [%g0] ASI_SCRATCHPAD, %g2; \ ldx [%g2 + HV_FAULT_D_ADDR_OFFSET], %g4; \ ldx [%g2 + HV_FAULT_D_CTX_OFFSET], %g5; \ - srlx %g4, 22, %g7; \ - sllx %g5, 48, %g6; \ + srlx %g4, 22, %g6; \ ba,pt %xcc, sun4v_dtsb_miss; \ - or %g6, %g7, %g6; \ + nop; \ + nop; \ nop; /* Before touching these macros, you owe it to yourself to go and |