diff options
Diffstat (limited to 'sys/sparc64')
| -rw-r--r-- | sys/sparc64/include/asmacros.h | 5 | ||||
| -rw-r--r-- | sys/sparc64/include/tsb.h | 6 | ||||
| -rw-r--r-- | sys/sparc64/include/tte.h | 54 | ||||
| -rw-r--r-- | sys/sparc64/sparc64/exception.S | 643 | ||||
| -rw-r--r-- | sys/sparc64/sparc64/genassym.c | 12 | ||||
| -rw-r--r-- | sys/sparc64/sparc64/locore.S | 11 | ||||
| -rw-r--r-- | sys/sparc64/sparc64/mp_locore.S | 6 | ||||
| -rw-r--r-- | sys/sparc64/sparc64/pmap.c | 92 | ||||
| -rw-r--r-- | sys/sparc64/sparc64/swtch.S | 11 | ||||
| -rw-r--r-- | sys/sparc64/sparc64/tsb.c | 21 |
10 files changed, 481 insertions, 380 deletions
diff --git a/sys/sparc64/include/asmacros.h b/sys/sparc64/include/asmacros.h index a719efd7b004..540d28f3d0a8 100644 --- a/sys/sparc64/include/asmacros.h +++ b/sys/sparc64/include/asmacros.h @@ -44,11 +44,6 @@ */ #define ASP_REG %g5 -/* - * MMU %g7 points to the user tsb. - */ -#define TSB_REG %g7 - #ifdef LOCORE /* diff --git a/sys/sparc64/include/tsb.h b/sys/sparc64/include/tsb.h index 20db029aff9d..9a817c20376f 100644 --- a/sys/sparc64/include/tsb.h +++ b/sys/sparc64/include/tsb.h @@ -55,9 +55,9 @@ tsb_vpntobucket(pmap_t pm, vm_offset_t vpn) } static __inline struct tte * -tsb_vtobucket(pmap_t pm, vm_offset_t va) +tsb_vtobucket(pmap_t pm, u_long sz, vm_offset_t va) { - return (tsb_vpntobucket(pm, va >> PAGE_SHIFT)); + return (tsb_vpntobucket(pm, va >> TTE_PAGE_SHIFT(sz))); } static __inline struct tte * @@ -77,7 +77,7 @@ typedef int (tsb_callback_t)(struct pmap *, struct pmap *, struct tte *, struct tte *tsb_tte_lookup(pmap_t pm, vm_offset_t va); void tsb_tte_remove(struct tte *stp); -struct tte *tsb_tte_enter(pmap_t pm, vm_page_t m, vm_offset_t va, +struct tte *tsb_tte_enter(pmap_t pm, vm_page_t m, vm_offset_t va, u_long sz, u_long data); void tsb_tte_local_remove(struct tte *tp); void tsb_foreach(pmap_t pm1, pmap_t pm2, vm_offset_t start, vm_offset_t end, diff --git a/sys/sparc64/include/tte.h b/sys/sparc64/include/tte.h index 13a445a8b87d..e86c722f8793 100644 --- a/sys/sparc64/include/tte.h +++ b/sys/sparc64/include/tte.h @@ -52,27 +52,27 @@ #define TD_PA_MASK ((1UL << TD_PA_BITS) - 1) #define TD_SOFT_MASK ((1UL << TD_SOFT_BITS) - 1) -#define TD_SIZE_SPREAD (3) +#define TS_8K (0UL) +#define TS_64K (1UL) +#define TS_512K (2UL) +#define TS_4M (3UL) -#define TS_EXEC (1UL << 4) -#define TS_REF (1UL << 3) -#define TS_PV (1UL << 2) -#define TS_W (1UL << 1) -#define TS_WIRED (1UL << 0) +#define TS_MIN TS_8K +#define TS_MAX TS_4M #define TD_V (1UL << 63) -#define TD_8K (0UL << TD_SIZE_SHIFT) -#define TD_64K (1UL << TD_SIZE_SHIFT) -#define TD_512K (2UL << TD_SIZE_SHIFT) -#define TD_4M (3UL << TD_SIZE_SHIFT) +#define TD_8K (TS_8K << TD_SIZE_SHIFT) +#define TD_64K (TS_64K << TD_SIZE_SHIFT) +#define TD_512K (TS_512K << TD_SIZE_SHIFT) +#define TD_4M (TS_4M << TD_SIZE_SHIFT) #define TD_NFO (1UL << 60) #define TD_IE (1UL << 59) #define TD_PA(pa) ((pa) & (TD_PA_MASK << TD_PA_SHIFT)) -#define TD_EXEC (TS_EXEC << TD_SOFT_SHIFT) -#define TD_REF (TS_REF << TD_SOFT_SHIFT) -#define TD_PV (TS_PV << TD_SOFT_SHIFT) -#define TD_SW (TS_W << TD_SOFT_SHIFT) -#define TD_WIRED (TS_WIRED << TD_SOFT_SHIFT) +#define TD_EXEC ((1UL << 4) << TD_SOFT_SHIFT) +#define TD_REF ((1UL << 3) << TD_SOFT_SHIFT) +#define TD_PV ((1UL << 2) << TD_SOFT_SHIFT) +#define TD_SW ((1UL << 1) << TD_SOFT_SHIFT) +#define TD_WIRED ((1UL << 0) << TD_SOFT_SHIFT) #define TD_L (1UL << 6) #define TD_CP (1UL << 5) #define TD_CV (1UL << 4) @@ -81,12 +81,17 @@ #define TD_W (1UL << 1) #define TD_G (1UL << 0) -#define TV_VPN(va) ((va) >> PAGE_SHIFT) +#define TV_SIZE_BITS (TD_SIZE_BITS) +#define TV_VPN(va, sz) ((((va) >> TTE_PAGE_SHIFT(sz)) << TV_SIZE_BITS) | sz) + +#define TTE_SIZE_SPREAD (3) +#define TTE_PAGE_SHIFT(sz) \ + (PAGE_SHIFT + ((sz) * TTE_SIZE_SPREAD)) #define TTE_GET_SIZE(tp) \ (((tp)->tte_data >> TD_SIZE_SHIFT) & TD_SIZE_MASK) #define TTE_GET_PAGE_SHIFT(tp) \ - (PAGE_SHIFT + (TTE_GET_SIZE(tp) * TD_SIZE_SPREAD)) + TTE_PAGE_SHIFT(TTE_GET_SIZE(tp)) #define TTE_GET_PAGE_SIZE(tp) \ (1 << TTE_GET_PAGE_SHIFT(tp)) #define TTE_GET_PAGE_MASK(tp) \ @@ -94,13 +99,17 @@ #define TTE_GET_PA(tp) \ ((tp)->tte_data & (TD_PA_MASK << TD_PA_SHIFT)) +#define TTE_GET_VPN(tp) \ + ((tp)->tte_vpn >> TV_SIZE_BITS) #define TTE_GET_VA(tp) \ - ((tp)->tte_vpn << PAGE_SHIFT) + (TTE_GET_VPN(tp) << TTE_GET_PAGE_SHIFT(tp)) #define TTE_GET_PMAP(tp) \ ((tp)->tte_pmap) #define TTE_ZERO(tp) \ bzero(tp, sizeof(*tp)) +struct pmap; + struct tte { u_long tte_vpn; u_long tte_data; @@ -109,15 +118,10 @@ struct tte { }; static __inline int -tte_match_vpn(struct tte *tp, vm_offset_t vpn) -{ - return ((tp->tte_data & TD_V) != 0 && tp->tte_vpn == vpn); -} - -static __inline int tte_match(struct tte *tp, vm_offset_t va) { - return (tte_match_vpn(tp, va >> PAGE_SHIFT)); + return (((tp->tte_data & TD_V) != 0) && + (tp->tte_vpn == TV_VPN(va, TTE_GET_SIZE(tp)))); } #endif /* !_MACHINE_TTE_H_ */ diff --git a/sys/sparc64/sparc64/exception.S b/sys/sparc64/sparc64/exception.S index 7de0f1ffbc74..fa19ad7e3d71 100644 --- a/sys/sparc64/sparc64/exception.S +++ b/sys/sparc64/sparc64/exception.S @@ -554,45 +554,62 @@ END(tl0_sfsr_trap) .macro immu_miss_user /* + * Initialize the page size walker. + */ + mov TS_MIN, %g2 + + /* + * Loop over all supported page sizes. + */ + + /* + * Compute the page shift for the page size we are currently looking + * for. + */ +1: add %g2, %g2, %g3 + add %g3, %g2, %g3 + add %g3, PAGE_SHIFT, %g3 + + /* * Extract the virtual page number from the contents of the tag * access register. */ - srlx %g2, TAR_VPN_SHIFT, %g3 + srlx %g1, %g3, %g3 /* * Compute the tte bucket address. */ - set (1 << TSB_BUCKET_ADDRESS_BITS) - 1, %g1 - and %g1, %g3, %g1 - sllx %g1, TSB_BUCKET_SHIFT + TTE_SHIFT, %g1 - add %g1, TSB_REG, %g1 + ldxa [%g0 + AA_IMMU_TSB] %asi, %g5 + and %g3, TSB_BUCKET_MASK, %g4 + sllx %g4, TSB_BUCKET_SHIFT + TTE_SHIFT, %g4 + add %g4, %g5, %g4 /* - * Loop over the ttes in this bucket + * Compute the tte tag target. */ + sllx %g3, TV_SIZE_BITS, %g3 + or %g3, %g2, %g3 /* - * Load the tte. Note that this instruction may fault, clobbering - * the context of the tag access register (at least), and the contents - * of %g3, %g4, %g5, and %g6. Luckily we can recover %g3, and we do - * not use %g4 or %g5 until this instruction completes successfully. + * Loop over the ttes in this bucket */ -1: ldda [%g1] ASI_NUCLEUS_QUAD_LDD, %g4 /*, %g5 */ /* - * Recover the virtual page number, which may have been clobbered. + * Load the tte. Note that this instruction may fault, clobbering + * the contents of the tag access register, %g5, %g6, and %g7. We + * do not use %g5, and %g6 and %g7 are not used until this instruction + * completes successfully. */ - srlx %g2, TAR_VPN_SHIFT, %g3 +2: ldda [%g4] ASI_NUCLEUS_QUAD_LDD, %g6 /*, %g7 */ /* - * Check that its valid and executable and that the virtual page - * numbers match. + * Check that its valid and executable and that the tte tags match. */ - brgez,pn %g5, 2f - andcc %g5, TD_EXEC, %g0 - bz,pn %xcc, 2f - cmp %g3, %g4 - bne,pn %xcc, 2f + brgez,pn %g7, 3f + andcc %g7, TD_EXEC, %g0 + bz,pn %xcc, 3f + cmp %g3, %g6 + bne,pn %xcc, 3f EMPTY /* @@ -602,43 +619,52 @@ END(tl0_sfsr_trap) /* * Set the reference bit, if it's currently clear. */ - andcc %g5, TD_REF, %g0 + andcc %g7, TD_REF, %g0 bz,a,pn %xcc, tl0_immu_miss_set_ref nop /* * Load the tte tag and data into the tlb and retry the instruction. */ - stxa %g2, [%g0 + AA_IMMU_TAR] %asi - stxa %g5, [%g0] ASI_ITLB_DATA_IN_REG + stxa %g1, [%g0 + AA_IMMU_TAR] %asi + stxa %g7, [%g0] ASI_ITLB_DATA_IN_REG retry /* - * Check the low bits to see if we've finished the bucket. + * Advance to the next tte in this bucket, and check the low bits + * of the bucket pointer to see if we've finished the bucket. */ -2: add %g1, 1 << TTE_SHIFT, %g1 - andcc %g1, (1 << (TSB_BUCKET_SHIFT + TTE_SHIFT)) - 1, %g0 - bnz,a,pt %xcc, 1b - nop - .endm +3: add %g4, 1 << TTE_SHIFT, %g4 + andcc %g4, (1 << (TSB_BUCKET_SHIFT + TTE_SHIFT)) - 1, %g0 + bnz,pt %xcc, 2b + EMPTY - .macro tl0_immu_miss /* - * Force kernel store order. + * See if we just checked the largest page size, and advance to the + * next one if not. */ - wrpr %g0, PSTATE_MMU, %pstate + cmp %g2, TS_MAX + bne,pt %xcc, 1b + add %g2, 1, %g2 + .endm + .macro tl0_immu_miss /* * Load the virtual page number and context from the tag access * register. We ignore the context. */ wr %g0, ASI_IMMU, %asi - ldxa [%g0 + AA_IMMU_TAR] %asi, %g2 + ldxa [%g0 + AA_IMMU_TAR] %asi, %g1 + /* + * Try a fast inline lookup of the user tsb. + */ immu_miss_user - b,a %xcc, tl0_immu_miss_trap - nop + /* + * Not in user tsb, call c code. + */ + ba,a %xcc, tl0_immu_miss_trap .align 128 .endm @@ -646,19 +672,19 @@ ENTRY(tl0_immu_miss_set_ref) /* * Set the reference bit. */ - TTE_SET_REF(%g1, %g4, %g5) + TTE_SET_REF(%g4, %g2, %g3) /* - * May have become invalid, in which case start over. + * May have become invalid during casxa, in which case start over. */ - brgez,pn %g4, 1f - or %g4, TD_REF, %g4 + brgez,pn %g2, 1f + nop /* * Load the tte tag and data into the tlb and retry the instruction. */ - stxa %g2, [%g0 + AA_IMMU_TAR] %asi - stxa %g4, [%g0] ASI_ITLB_DATA_IN_REG + stxa %g1, [%g0 + AA_IMMU_TAR] %asi + stxa %g2, [%g0] ASI_ITLB_DATA_IN_REG 1: retry END(tl0_immu_miss_set_ref) @@ -667,7 +693,7 @@ ENTRY(tl0_immu_miss_trap) * Put back the contents of the tag access register, in case we * faulted. */ - stxa %g2, [%g0 + AA_IMMU_TAR] %asi + stxa %g1, [%g0 + AA_IMMU_TAR] %asi membar #Sync /* @@ -691,42 +717,60 @@ END(tl0_immu_miss_trap) .macro dmmu_miss_user /* + * Initialize the page size walker. + */ + mov TS_MIN, %g2 + + /* + * Loop over all supported page sizes. + */ + + /* + * Compute the page shift for the page size we are currently looking + * for. + */ +1: add %g2, %g2, %g3 + add %g3, %g2, %g3 + add %g3, PAGE_SHIFT, %g3 + + /* * Extract the virtual page number from the contents of the tag * access register. */ - srlx %g2, TAR_VPN_SHIFT, %g3 + srlx %g1, %g3, %g3 /* * Compute the tte bucket address. */ - set (1 << TSB_BUCKET_ADDRESS_BITS) - 1, %g1 - and %g1, %g3, %g1 - sllx %g1, TSB_BUCKET_SHIFT + TTE_SHIFT, %g1 - add %g1, TSB_REG, %g1 + ldxa [%g0 + AA_DMMU_TSB] %asi, %g5 + and %g3, TSB_BUCKET_MASK, %g4 + sllx %g4, TSB_BUCKET_SHIFT + TTE_SHIFT, %g4 + add %g4, %g5, %g4 /* - * Loop over the ttes in this bucket + * Compute the tte tag target. */ + sllx %g3, TV_SIZE_BITS, %g3 + or %g3, %g2, %g3 /* - * Load the tte. Note that this instruction may fault, clobbering - * the contents of the tag access register (at least), and the contents - * of %g3, %g4, %g5, and %g6. Luckily we can recover %g3, and we do - * not use %g4 or %g5 until this instruction completes successfully. + * Loop over the ttes in this bucket */ -1: ldda [%g1] ASI_NUCLEUS_QUAD_LDD, %g4 /*, %g5 */ /* - * Recover the virtual page number, which may have been clobbered. + * Load the tte. Note that this instruction may fault, clobbering + * the contents of the tag access register, %g5, %g6, and %g7. We + * do not use %g5, and %g6 and %g7 are not used until this instruction + * completes successfully. */ - srlx %g2, TAR_VPN_SHIFT, %g3 +2: ldda [%g4] ASI_NUCLEUS_QUAD_LDD, %g6 /*, %g7 */ /* * Check that its valid and that the virtual page numbers match. */ - brgez,pn %g5, 2f - cmp %g3, %g4 - bne,pn %xcc, 2f + brgez,pn %g7, 3f + cmp %g3, %g6 + bne,pn %xcc, 3f EMPTY /* @@ -736,58 +780,62 @@ END(tl0_immu_miss_trap) /* * Set the reference bit, if it's currently clear. */ - andcc %g5, TD_REF, %g0 + andcc %g7, TD_REF, %g0 bz,a,pn %xcc, dmmu_miss_user_set_ref nop /* * Load the tte tag and data into the tlb and retry the instruction. */ - stxa %g2, [%g0 + AA_DMMU_TAR] %asi - stxa %g5, [%g0] ASI_DTLB_DATA_IN_REG + stxa %g1, [%g0 + AA_DMMU_TAR] %asi + stxa %g7, [%g0] ASI_DTLB_DATA_IN_REG retry /* - * Check the low bits to see if we've finished the bucket. + * Advance to the next tte in this bucket, and check the low bits + * of the bucket pointer to see if we've finished the bucket. */ -2: add %g1, 1 << TTE_SHIFT, %g1 - andcc %g1, (1 << (TSB_BUCKET_SHIFT + TTE_SHIFT)) - 1, %g0 - bnz,a,pt %xcc, 1b - nop +3: add %g4, 1 << TTE_SHIFT, %g4 + andcc %g4, (1 << (TSB_BUCKET_SHIFT + TTE_SHIFT)) - 1, %g0 + bnz,pt %xcc, 2b + EMPTY + + /* + * See if we just checked the largest page size, and advance to the + * next one if not. + */ + cmp %g2, TS_MAX + bne,pt %xcc, 1b + add %g2, 1, %g2 .endm ENTRY(dmmu_miss_user_set_ref) /* * Set the reference bit. */ - TTE_SET_REF(%g1, %g4, %g5) + TTE_SET_REF(%g4, %g2, %g3) /* - * May have become invalid, in which case start over. + * May have become invalid during casxa, in which case start over. */ - brgez,pn %g4, 1f - or %g4, TD_REF, %g4 + brgez,pn %g2, 1f + nop /* * Load the tte tag and data into the tlb and retry the instruction. */ - stxa %g2, [%g0 + AA_DMMU_TAR] %asi - stxa %g4, [%g0] ASI_DTLB_DATA_IN_REG + stxa %g1, [%g0 + AA_DMMU_TAR] %asi + stxa %g2, [%g0] ASI_DTLB_DATA_IN_REG 1: retry END(dmmu_miss_user_set_ref) .macro tl0_dmmu_miss /* - * Force kernel store order. - */ - wrpr %g0, PSTATE_MMU, %pstate - - /* * Load the virtual page number and context from the tag access * register. We ignore the context. */ wr %g0, ASI_DMMU, %asi - ldxa [%g0 + AA_DMMU_TAR] %asi, %g2 + ldxa [%g0 + AA_DMMU_TAR] %asi, %g1 /* * Try a fast inline lookup of the primary tsb. @@ -795,10 +843,9 @@ END(dmmu_miss_user_set_ref) dmmu_miss_user /* - * Not in primary tsb, call c code. Not much else fits inline. + * Not in user tsb, call c code. */ - b,a %xcc, tl0_dmmu_miss_trap - nop + ba,a %xcc, tl0_dmmu_miss_trap .align 128 .endm @@ -807,7 +854,7 @@ ENTRY(tl0_dmmu_miss_trap) * Put back the contents of the tag access register, in case we * faulted. */ - stxa %g2, [%g0 + AA_DMMU_TAR] %asi + stxa %g1, [%g0 + AA_DMMU_TAR] %asi membar #Sync /* @@ -831,122 +878,141 @@ END(tl0_dmmu_miss_trap) .macro dmmu_prot_user /* + * Initialize the page size walker. + */ + mov TS_MIN, %g2 + + /* + * Loop over all supported page sizes. + */ + + /* + * Compute the page shift for the page size we are currently looking + * for. + */ +1: add %g2, %g2, %g3 + add %g3, %g2, %g3 + add %g3, PAGE_SHIFT, %g3 + + /* * Extract the virtual page number from the contents of the tag * access register. */ - srlx %g2, TAR_VPN_SHIFT, %g3 + srlx %g1, %g3, %g3 /* * Compute the tte bucket address. */ - set (1 << TSB_BUCKET_ADDRESS_BITS) - 1, %g1 - and %g1, %g3, %g1 - sllx %g1, TSB_BUCKET_SHIFT + TTE_SHIFT, %g1 - add %g1, TSB_REG, %g1 + ldxa [%g0 + AA_DMMU_TSB] %asi, %g5 + and %g3, TSB_BUCKET_MASK, %g4 + sllx %g4, TSB_BUCKET_SHIFT + TTE_SHIFT, %g4 + add %g4, %g5, %g4 /* - * Loop over the ttes in this bucket + * Compute the tte tag target. */ + sllx %g3, TV_SIZE_BITS, %g3 + or %g3, %g2, %g3 /* - * Load the tte. Note that this instruction may fault, clobbering - * the context of the tag access register (at least), and the contents - * of %g3, %g4, %g5, and %g6. Luckily we can recover %g3, and we do - * not use %g4 or %g5 until this instruction completes successfully. + * Loop over the ttes in this bucket */ -1: ldda [%g1] ASI_NUCLEUS_QUAD_LDD, %g4 /*, %g5 */ /* - * Recover the virtual page number, which may have been clobbered. + * Load the tte. Note that this instruction may fault, clobbering + * the contents of the tag access register, %g5, %g6, and %g7. We + * do not use %g5, and %g6 and %g7 are not used until this instruction + * completes successfully. */ - srlx %g2, TAR_VPN_SHIFT, %g3 +2: ldda [%g4] ASI_NUCLEUS_QUAD_LDD, %g6 /*, %g7 */ /* * Check that its valid and writable and that the virtual page * numbers match. */ - brgez,pn %g5, 2f - andcc %g5, TD_SW, %g0 - bz,pn %xcc, 2f - cmp %g3, %g4 - bne,pn %xcc, 2f + brgez,pn %g7, 4f + andcc %g7, TD_SW, %g0 + bz,pn %xcc, 4f + cmp %g3, %g6 + bne,pn %xcc, 4f nop /* * Set the hardware write bit. */ - b,a %xcc, dmmu_prot_set_w - nop + TTE_SET_W(%g4, %g2, %g3) /* - * Check the low bits to see if we've finished the bucket. + * Delete the old TLB entry and clear the sfsr. */ -2: add %g1, 1 << TTE_SHIFT, %g1 - andcc %g1, (1 << (TSB_BUCKET_SHIFT + TTE_SHIFT)) - 1, %g0 - bnz,a,pt %xcc, 1b - nop - .endm + srlx %g1, PAGE_SHIFT, %g3 + sllx %g3, PAGE_SHIFT, %g3 + stxa %g0, [%g3] ASI_DMMU_DEMAP + stxa %g0, [%g0 + AA_DMMU_SFSR] %asi + membar #Sync - .macro tl0_dmmu_prot /* - * Force kernel store order. + * May have become invalid during casxa, in which case start over. */ - wrpr %g0, PSTATE_MMU, %pstate + brgez,pn %g2, 3f + or %g2, TD_W, %g2 /* - * Load the virtual page number and context from the tag access - * register. We ignore the context. + * Load the tte data into the tlb and retry the instruction. */ - wr %g0, ASI_DMMU, %asi - ldxa [%g0 + AA_DMMU_TAR] %asi, %g2 + stxa %g1, [%g0 + AA_DMMU_TAR] %asi + stxa %g2, [%g0] ASI_DTLB_DATA_IN_REG +3: retry /* - * Try a fast inline lookup of the tsb. + * Check the low bits to see if we've finished the bucket. */ - dmmu_prot_user +4: add %g4, 1 << TTE_SHIFT, %g4 + andcc %g4, (1 << (TSB_BUCKET_SHIFT + TTE_SHIFT)) - 1, %g0 + bnz,pt %xcc, 2b + EMPTY /* - * Not in tsb. Call c code. + * See if we just checked the largest page size, and advance to the + * next one if not. */ - b,a %xcc, tl0_dmmu_prot_trap + cmp %g2, TS_MAX + bne,pt %xcc, 1b + add %g2, 1, %g2 + .endm + + .macro tl0_dmmu_prot + ba,a %xcc, tl0_dmmu_prot_1 nop .align 128 .endm -ENTRY(dmmu_prot_set_w) - /* - * Set the hardware write bit in the tte. - */ - TTE_SET_W(%g1, %g4, %g5) - +ENTRY(tl0_dmmu_prot_1) /* - * Delete the old TLB entry and clear the sfsr. + * Load the virtual page number and context from the tag access + * register. We ignore the context. */ - sllx %g3, TAR_VPN_SHIFT, %g3 - stxa %g0, [%g3] ASI_DMMU_DEMAP - stxa %g0, [%g0 + AA_DMMU_SFSR] %asi - membar #Sync + wr %g0, ASI_DMMU, %asi + ldxa [%g0 + AA_DMMU_TAR] %asi, %g1 /* - * May have become invalid in which case start over. + * Try a fast inline lookup of the tsb. */ - brgez,pn %g4, 1f - or %g4, TD_W, %g4 + dmmu_prot_user /* - * Load the tte data into the tlb and retry the instruction. + * Not in user tsb, call c code. */ - stxa %g2, [%g0 + AA_DMMU_TAR] %asi - stxa %g4, [%g0] ASI_DTLB_DATA_IN_REG -1: retry -END(dmmu_prot_set_w) + b,a %xcc, tl0_dmmu_prot_trap + nop +END(tl0_dmmu_prot_1) ENTRY(tl0_dmmu_prot_trap) /* * Put back the contents of the tag access register, in case we * faulted. */ - stxa %g2, [%g0 + AA_DMMU_TAR] %asi + stxa %g1, [%g0 + AA_DMMU_TAR] %asi membar #Sync /* @@ -958,7 +1024,6 @@ ENTRY(tl0_dmmu_prot_trap) * Load the tar, sfar and sfsr. */ ldxa [%g0 + AA_DMMU_TAR] %asi, %g2 - ldxa [%g0 + AA_DMMU_SFAR] %asi, %g3 ldxa [%g0 + AA_DMMU_SFSR] %asi, %g4 stxa %g0, [%g0 + AA_DMMU_SFSR] %asi @@ -1356,71 +1421,87 @@ END(intr_enqueue) * register. We ignore the context. */ wr %g0, ASI_IMMU, %asi - ldxa [%g0 + AA_IMMU_TAR] %asi, %g6 - - /* - * Extract the virtual page number from the contents of the tag access - * register. - */ - srlx %g6, TAR_VPN_SHIFT, %g6 + ldxa [%g0 + AA_IMMU_TAR] %asi, %g5 /* - * Find the index into the kernel tsb. The tsb mask gets patched at - * startup. + * Compute the address of the tte. The tsb mask and address of the + * tsb are patched at startup. */ - .globl tl1_immu_miss_load_tsb_mask -tl1_immu_miss_load_tsb_mask: - sethi %hi(TSB_KERNEL_MASK), %g4 - or %g4, %lo(TSB_KERNEL_MASK), %g4 - and %g6, %g4, %g3 + .globl tl1_immu_miss_patch_1 +tl1_immu_miss_patch_1: + sethi %hi(TSB_KERNEL_MASK), %g6 + or %g6, %lo(TSB_KERNEL_MASK), %g6 + sethi %hi(TSB_KERNEL), %g7 - /* - * Compute the tte address. The address of the kernel tsb gets - * patched at startup. - */ - .globl tl1_immu_miss_load_tsb -tl1_immu_miss_load_tsb: - sethi %hi(TSB_KERNEL), %g4 - sllx %g3, TTE_SHIFT, %g3 - add %g3, %g4, %g3 + srlx %g5, TAR_VPN_SHIFT, %g5 + and %g5, %g6, %g6 + sllx %g6, TTE_SHIFT, %g6 + add %g6, %g7, %g6 /* * Load the tte. */ - ldda [%g3] ASI_NUCLEUS_QUAD_LDD, %g4 /*, %g5 */ + ldda [%g6] ASI_NUCLEUS_QUAD_LDD, %g6 /*, %g7 */ /* * Check that its valid and executable and that the virtual page * numbers match. */ - brgez,pn %g5, tl1_immu_miss_trap - andcc %g5, TD_EXEC, %g0 + brgez,pn %g7, tl1_immu_miss_trap + andcc %g7, TD_EXEC, %g0 bz,pn %xcc, tl1_immu_miss_trap - cmp %g4, %g6 + srlx %g6, TV_SIZE_BITS, %g6 + cmp %g5, %g6 bne,pn %xcc, tl1_immu_miss_trap EMPTY /* * Set the reference bit if its currently clear. */ - andcc %g5, TD_REF, %g0 - bnz,a,pt %xcc, 1f + andcc %g7, TD_REF, %g0 + bz,a,pn %xcc, tl1_immu_miss_set_ref nop - TTE_SET_REF(%g3, %g5, %g4) /* - * May have become invalid, in which case start over. + * Load the tte data into the TLB and retry the instruction. + */ + stxa %g7, [%g0] ASI_ITLB_DATA_IN_REG + retry + .align 128 + .endm + +ENTRY(tl1_immu_miss_set_ref) + /* + * Recompute the tte address, which we clobbered loading the tte. The + * tsb mask and address of the tsb are patched at startup. + */ + .globl tl1_immu_miss_patch_2 +tl1_immu_miss_patch_2: + sethi %hi(TSB_KERNEL_MASK), %g6 + or %g6, %lo(TSB_KERNEL_MASK), %g6 + sethi %hi(TSB_KERNEL), %g7 + + and %g5, %g6, %g5 + sllx %g5, TTE_SHIFT, %g5 + add %g5, %g7, %g5 + + /* + * Set the reference bit. + */ + TTE_SET_REF(%g5, %g6, %g7) + + /* + * May have become invalid during casxa, in which case start over. */ - brgez,pn %g5, 2f - or %g5, TD_REF, %g5 + brgez,pn %g6, 1f + nop /* * Load the tte data into the TLB and retry the instruction. */ -1: stxa %g5, [%g0] ASI_ITLB_DATA_IN_REG -2: retry - .align 128 - .endm + stxa %g6, [%g0] ASI_ITLB_DATA_IN_REG +1: retry +END(tl1_immu_miss_set_ref) ENTRY(tl1_immu_miss_trap) /* @@ -1442,79 +1523,100 @@ END(tl1_immu_miss_trap) * register. */ wr %g0, ASI_DMMU, %asi - ldxa [%g0 + AA_DMMU_TAR] %asi, %g6 + ldxa [%g0 + AA_DMMU_TAR] %asi, %g5 /* * Extract the context from the contents of the tag access register. * If its non-zero this is a fault on a user address. Note that the * faulting address is passed in %g2. */ - sllx %g6, 64 - TAR_VPN_SHIFT, %g5 - brnz,a,pn %g5, tl1_dmmu_miss_user - mov %g6, %g2 + sllx %g5, 64 - TAR_VPN_SHIFT, %g6 + brnz,a,pn %g6, tl1_dmmu_miss_user + mov %g5, %g1 /* * Check for the direct mapped physical region. These addresses have * the high bit set so they are negative. */ - brlz,pn %g6, tl1_dmmu_miss_direct + brlz,pn %g5, tl1_dmmu_miss_direct EMPTY /* - * Find the index into the kernel tsb. The tsb mask gets patched at - * startup. + * Compute the address of the tte. The tsb mask and address of the + * tsb are patched at startup. */ - .globl tl1_dmmu_miss_load_tsb_mask -tl1_dmmu_miss_load_tsb_mask: - sethi %hi(TSB_KERNEL_MASK), %g4 - or %g4, %lo(TSB_KERNEL_MASK), %g4 - srlx %g6, TAR_VPN_SHIFT, %g6 - and %g6, %g4, %g3 + .globl tl1_dmmu_miss_patch_1 +tl1_dmmu_miss_patch_1: + sethi %hi(TSB_KERNEL_MASK), %g6 + or %g6, %lo(TSB_KERNEL_MASK), %g6 + sethi %hi(TSB_KERNEL), %g7 - /* - * Compute the tte address. The address of the kernel tsb gets - * patched at startup. - */ - .globl tl1_dmmu_miss_load_tsb -tl1_dmmu_miss_load_tsb: - sethi %hi(TSB_KERNEL), %g4 - sllx %g3, TTE_SHIFT, %g3 - add %g3, %g4, %g3 + srlx %g5, TAR_VPN_SHIFT, %g5 + and %g5, %g6, %g6 + sllx %g6, TTE_SHIFT, %g6 + add %g6, %g7, %g6 /* * Load the tte. */ - ldda [%g3] ASI_NUCLEUS_QUAD_LDD, %g4 /*, %g5 */ + ldda [%g6] ASI_NUCLEUS_QUAD_LDD, %g6 /*, %g7 */ /* * Check that its valid and that the virtual page numbers match. */ - brgez,pn %g5, tl1_dmmu_miss_trap - cmp %g4, %g6 + brgez,pn %g7, tl1_dmmu_miss_trap + srlx %g6, TV_SIZE_BITS, %g6 + cmp %g5, %g6 bne,pn %xcc, tl1_dmmu_miss_trap EMPTY /* * Set the reference bit if its currently clear. */ - andcc %g5, TD_REF, %g0 - bnz,a,pt %xcc, 1f + andcc %g7, TD_REF, %g0 + bz,a,pt %xcc, tl1_dmmu_miss_set_ref nop - TTE_SET_REF(%g3, %g5, %g4) /* - * May have become invalid, in which case start over. + * Load the tte data into the TLB and retry the instruction. */ - brgez,pn %g5, 2f - or %g5, TD_REF, %g5 + stxa %g7, [%g0] ASI_DTLB_DATA_IN_REG + retry + .align 128 + .endm + +ENTRY(tl1_dmmu_miss_set_ref) + /* + * Recompute the tte address, which we clobbered loading the tte. The + * tsb mask and address of the tsb are patched at startup. + */ + .globl tl1_dmmu_miss_patch_2 +tl1_dmmu_miss_patch_2: + sethi %hi(TSB_KERNEL_MASK), %g6 + or %g6, %lo(TSB_KERNEL_MASK), %g6 + sethi %hi(TSB_KERNEL), %g7 + + and %g5, %g6, %g5 + sllx %g5, TTE_SHIFT, %g5 + add %g5, %g7, %g5 + + /* + * Set the reference bit. + */ + TTE_SET_REF(%g5, %g6, %g7) + + /* + * May have become invalid during casxa, in which case start over. + */ + brgez,pn %g6, 1f + nop /* * Load the tte data into the TLB and retry the instruction. */ -1: stxa %g5, [%g0] ASI_DTLB_DATA_IN_REG -2: retry - .align 128 - .endm + stxa %g6, [%g0] ASI_DTLB_DATA_IN_REG +1: retry +END(tl1_dmmu_miss_set_ref) ENTRY(tl1_dmmu_miss_trap) /* @@ -1533,27 +1635,17 @@ ENTRY(tl1_dmmu_miss_trap) END(tl1_dmmu_miss_trap) ENTRY(tl1_dmmu_miss_direct) -#if KTR_COMPILE & KTR_TRAP - CATR(KTR_TRAP, "tl1_dmmu_miss_direct: pc=%#lx sp=%#lx tar=%#lx" - , %g1, %g2, %g3, 7, 8, 9) - rdpr %tpc, %g2 - stx %g2, [%g1 + KTR_PARM1] - add %sp, SPOFF, %g2 - stx %g2, [%g1 + KTR_PARM2] - stx %g6, [%g1 + KTR_PARM3] -9: -#endif - /* * Check the cache bits in the virtual address to see if this mapping * is virtually cacheable. We set this up so that the masks fit in * immediates... Note that the arithmetic shift sign extends, keeping * all the top bits set. */ - srax %g6, TLB_DIRECT_SHIFT, %g6 - andcc %g6, TLB_DIRECT_UNCACHEABLE, %g0 - mov TD_CP | TD_CV | TD_W, %g1 - movnz %xcc, TD_CP | TD_W, %g1 + srax %g5, TLB_DIRECT_SHIFT, %g5 + andcc %g5, TLB_DIRECT_UNCACHEABLE, %g0 + mov TD_CP | TD_CV | TD_W, %g6 + movnz %xcc, TD_CP | TD_W, %g6 + or %g5, %g6, %g5 /* * Mask off the high bits of the virtual address to get the physical @@ -1562,14 +1654,13 @@ ENTRY(tl1_dmmu_miss_direct) * we don't have to include it in the tte bits. We ignore the cache * bits, since they get shifted into the soft tte bits anyway. */ - setx TLB_DIRECT_MASK & ~TD_V, %g3, %g2 - andn %g6, %g2, %g3 - or %g3, %g1, %g3 + setx TLB_DIRECT_MASK & ~TD_V, %g7, %g6 + andn %g5, %g6, %g5 /* * Load the tte data into the TLB and retry the instruction. */ - stxa %g3, [%g0] ASI_DTLB_DATA_IN_REG + stxa %g5, [%g0] ASI_DTLB_DATA_IN_REG retry END(tl1_dmmu_miss_direct) @@ -1583,7 +1674,7 @@ ENTRY(tl1_dmmu_miss_user) * Put back the contents of the tag access register, in case we * faulted. */ - stxa %g2, [%g0 + AA_DMMU_TAR] %asi + stxa %g1, [%g0 + AA_DMMU_TAR] %asi membar #Sync /* @@ -1608,86 +1699,100 @@ ENTRY(tl1_dmmu_miss_user) END(tl1_dmmu_miss_user) .macro tl1_dmmu_prot + ba,a %xcc, tl1_dmmu_prot_1 + nop + .align 128 + .endm + +ENTRY(tl1_dmmu_prot_1) /* * Load the context and the virtual page number from the tag access * register. */ wr %g0, ASI_DMMU, %asi - ldxa [%g0 + AA_DMMU_TAR] %asi, %g6 + ldxa [%g0 + AA_DMMU_TAR] %asi, %g5 /* * Extract the context from the contents of the tag access register. * If its non-zero this is a fault on a user address, otherwise get * the virtual page number. */ - sllx %g6, 64 - TAR_VPN_SHIFT, %g5 - brnz,a,pn %g5, tl1_dmmu_prot_user - mov %g6, %g2 + sllx %g5, 64 - TAR_VPN_SHIFT, %g6 + brnz,a,pn %g6, tl1_dmmu_prot_user + mov %g5, %g1 /* - * Find the index into the kernel tsb. The tsb mask gets patched at - * startup. + * Compute the address of the tte. The tsb mask and address of the + * tsb are patched at startup. */ - .globl tl1_dmmu_prot_load_tsb_mask -tl1_dmmu_prot_load_tsb_mask: - sethi %hi(TSB_KERNEL_MASK), %g4 - or %g4, %lo(TSB_KERNEL_MASK), %g4 - srlx %g6, TAR_VPN_SHIFT, %g6 - and %g6, %g4, %g5 + .globl tl1_dmmu_prot_patch_1 +tl1_dmmu_prot_patch_1: + sethi %hi(TSB_KERNEL_MASK), %g6 + or %g6, %lo(TSB_KERNEL_MASK), %g6 + sethi %hi(TSB_KERNEL), %g7 - /* - * Compute the tte address. The address of the kernel tsb gets - * patched at startup. - */ - .globl tl1_dmmu_prot_load_tsb -tl1_dmmu_prot_load_tsb: - sethi %hi(TSB_KERNEL), %g4 - sllx %g5, TTE_SHIFT, %g5 - add %g4, %g5, %g3 + srlx %g5, TAR_VPN_SHIFT, %g5 + and %g5, %g6, %g6 + sllx %g6, TTE_SHIFT, %g6 + add %g6, %g7, %g6 /* * Load the tte. */ - ldda [%g3] ASI_NUCLEUS_QUAD_LDD, %g4 /*, %g5 */ + ldda [%g6] ASI_NUCLEUS_QUAD_LDD, %g6 /*, %g7 */ /* * Check that its valid and writeable and that the virtual page * numbers match. */ - brgez,pn %g5, tl1_dmmu_prot_trap - andcc %g5, TD_SW, %g0 + brgez,pn %g7, tl1_dmmu_prot_trap + andcc %g7, TD_SW, %g0 bz,pn %xcc, tl1_dmmu_prot_trap - cmp %g4, %g6 + srlx %g6, TV_SIZE_BITS, %g6 + cmp %g5, %g6 bne,pn %xcc, tl1_dmmu_prot_trap EMPTY /* * Delete the old TLB entry and clear the sfsr. */ - sllx %g6, TAR_VPN_SHIFT, %g6 + sllx %g5, TAR_VPN_SHIFT, %g6 or %g6, TLB_DEMAP_NUCLEUS, %g6 stxa %g0, [%g6] ASI_DMMU_DEMAP stxa %g0, [%g0 + AA_DMMU_SFSR] %asi membar #Sync - ba,a %xcc, tl1_dmmu_prot_cont - nop - .align 128 - .endm + /* + * Recompute the tte address, which we clobbered loading the tte. The + * tsb mask and address of the tsb are patched at startup. + */ + .globl tl1_dmmu_prot_patch_2 +tl1_dmmu_prot_patch_2: + sethi %hi(TSB_KERNEL_MASK), %g6 + or %g6, %lo(TSB_KERNEL_MASK), %g6 + sethi %hi(TSB_KERNEL), %g7 + + and %g5, %g6, %g5 + sllx %g5, TTE_SHIFT, %g5 + add %g5, %g7, %g5 -ENTRY(tl1_dmmu_prot_cont) /* * Set the hardware write bit. */ - TTE_SET_W(%g3, %g5, %g6) + TTE_SET_W(%g5, %g6, %g7) + + /* + * May have become invalid during casxa, in which case start over. + */ + brgez,pn %g6, 1f + or %g6, TD_W, %g6 /* * Load the tte data into the TLB and retry the instruction. */ - or %g5, TD_W, %g5 - stxa %g5, [%g0] ASI_DTLB_DATA_IN_REG - retry -END(tl1_dmmu_prot_cont) + stxa %g6, [%g0] ASI_DTLB_DATA_IN_REG +1: retry +END(tl1_dmmu_prot_1) ENTRY(tl1_dmmu_prot_user) /* @@ -1699,7 +1804,7 @@ ENTRY(tl1_dmmu_prot_user) * Put back the contents of the tag access register, in case we * faulted. */ - stxa %g2, [%g0 + AA_DMMU_TAR] %asi + stxa %g1, [%g0 + AA_DMMU_TAR] %asi membar #Sync /* diff --git a/sys/sparc64/sparc64/genassym.c b/sys/sparc64/sparc64/genassym.c index 9d0dfa2bc71c..50e201b0b20c 100644 --- a/sys/sparc64/sparc64/genassym.c +++ b/sys/sparc64/sparc64/genassym.c @@ -77,7 +77,6 @@ ASSYM(KSTACK_PAGES, KSTACK_PAGES); ASSYM(KSTACK_GUARD_PAGES, KSTACK_GUARD_PAGES); ASSYM(PCPU_PAGES, PCPU_PAGES); ASSYM(UAREA_PAGES, UAREA_PAGES); -ASSYM(PAGE_SIZE, PAGE_SIZE); ASSYM(PIL_TICK, PIL_TICK); @@ -98,14 +97,16 @@ ASSYM(TLB_DIRECT_MASK, TLB_DIRECT_MASK); ASSYM(TLB_DIRECT_UNCACHEABLE, TLB_DIRECT_UNCACHEABLE); ASSYM(TLB_DIRECT_SHIFT, TLB_DIRECT_SHIFT); -ASSYM(TSB_BUCKET_ADDRESS_BITS, TSB_BUCKET_ADDRESS_BITS); +ASSYM(TSB_BUCKET_MASK, TSB_BUCKET_MASK); ASSYM(TSB_BUCKET_SHIFT, TSB_BUCKET_SHIFT); ASSYM(INT_SHIFT, INT_SHIFT); ASSYM(PTR_SHIFT, PTR_SHIFT); ASSYM(PAGE_SHIFT, PAGE_SHIFT); -ASSYM(PAGE_MASK, PAGE_MASK); +ASSYM(PAGE_SHIFT_8K, PAGE_SHIFT_8K); +ASSYM(PAGE_SHIFT_4M, PAGE_SHIFT_4M); +ASSYM(PAGE_SIZE, PAGE_SIZE); ASSYM(CPU_CLKSYNC, CPU_CLKSYNC); ASSYM(CPU_INIT, CPU_INIT); @@ -174,6 +175,11 @@ ASSYM(TD_CV, TD_CV); ASSYM(TD_L, TD_L); ASSYM(TD_W, TD_W); +ASSYM(TS_MIN, TS_MIN); +ASSYM(TS_MAX, TS_MAX); + +ASSYM(TV_SIZE_BITS, TV_SIZE_BITS); + ASSYM(V_INTR, offsetof(struct vmmeter, v_intr)); ASSYM(PC_CURTHREAD, offsetof(struct pcpu, pc_curthread)); diff --git a/sys/sparc64/sparc64/locore.S b/sys/sparc64/sparc64/locore.S index b1571cbd6cd3..4a4b5c941647 100644 --- a/sys/sparc64/sparc64/locore.S +++ b/sys/sparc64/sparc64/locore.S @@ -131,17 +131,6 @@ ENTRY(cpu_setregs) mov %o0, PCPU_REG /* - * MMU globals. - */ - wrpr %g0, PSTATE_MMU, %pstate - - /* - * MMU %g7 points to the user tsb. Initialize it to something sane - * here to catch invalid use. - */ - mov %g0, TSB_REG - - /* * Normal globals again. */ wrpr %g0, PSTATE_NORMAL, %pstate diff --git a/sys/sparc64/sparc64/mp_locore.S b/sys/sparc64/sparc64/mp_locore.S index cf97464ac363..998b25ef541f 100644 --- a/sys/sparc64/sparc64/mp_locore.S +++ b/sys/sparc64/sparc64/mp_locore.S @@ -48,7 +48,8 @@ nop ldx [%l2 + TTE_VPN], %l4 ldx [%l2 + TTE_DATA], %l5 - sllx %l4, PAGE_SHIFT, %l4 + srlx %l4, TV_SIZE_BITS, %l4 + sllx %l4, PAGE_SHIFT_4M, %l4 wr %g0, ASI_DMMU, %asi stxa %l4, [%g0 + AA_DMMU_TAR] %asi stxa %l5, [%g0] ASI_DTLB_DATA_IN_REG @@ -145,7 +146,8 @@ ENTRY(mp_startup) ldx [%l3 + TTE_DATA], %l5 wr %g0, ASI_DMMU, %asi - sllx %l4, PAGE_SHIFT, %l4 + srlx %l4, TV_SIZE_BITS, %l4 + sllx %l4, PAGE_SHIFT_8K, %l4 stxa %l4, [%g0 + AA_DMMU_TAR] %asi stxa %l5, [%g0] ASI_DTLB_DATA_IN_REG membar #Sync diff --git a/sys/sparc64/sparc64/pmap.c b/sys/sparc64/sparc64/pmap.c index 2e497fb19c77..789130bee9b7 100644 --- a/sys/sparc64/sparc64/pmap.c +++ b/sys/sparc64/sparc64/pmap.c @@ -161,12 +161,12 @@ static vm_offset_t pmap_bootstrap_alloc(vm_size_t size); static vm_offset_t pmap_map_direct(vm_page_t m); -extern int tl1_immu_miss_load_tsb[]; -extern int tl1_immu_miss_load_tsb_mask[]; -extern int tl1_dmmu_miss_load_tsb[]; -extern int tl1_dmmu_miss_load_tsb_mask[]; -extern int tl1_dmmu_prot_load_tsb[]; -extern int tl1_dmmu_prot_load_tsb_mask[]; +extern int tl1_immu_miss_patch_1[]; +extern int tl1_immu_miss_patch_2[]; +extern int tl1_dmmu_miss_patch_1[]; +extern int tl1_dmmu_miss_patch_2[]; +extern int tl1_dmmu_prot_patch_1[]; +extern int tl1_dmmu_prot_patch_2[]; /* * If user pmap is processed with pmap_remove and with pmap_remove and the @@ -337,34 +337,34 @@ pmap_bootstrap(vm_offset_t ekva) /* * Patch the virtual address and the tsb mask into the trap table. */ -#define SETHI_G4(x) \ - EIF_OP(IOP_FORM2) | EIF_F2_RD(4) | EIF_F2_OP2(INS0_SETHI) | \ - EIF_IMM((x) >> 10, 22) -#define OR_G4_I_G4(x) \ - EIF_OP(IOP_MISC) | EIF_F3_RD(4) | EIF_F3_OP3(INS2_OR) | \ - EIF_F3_RS1(4) | EIF_F3_I(1) | EIF_IMM(x, 10) - - tl1_immu_miss_load_tsb[0] = SETHI_G4((vm_offset_t)tsb_kernel); - tl1_immu_miss_load_tsb_mask[0] = SETHI_G4(tsb_kernel_mask); - tl1_immu_miss_load_tsb_mask[1] = OR_G4_I_G4(tsb_kernel_mask); - flush(tl1_immu_miss_load_tsb); - flush(tl1_immu_miss_load_tsb_mask); - flush(tl1_immu_miss_load_tsb_mask + 1); - - tl1_dmmu_miss_load_tsb[0] = SETHI_G4((vm_offset_t)tsb_kernel); - tl1_dmmu_miss_load_tsb_mask[0] = SETHI_G4(tsb_kernel_mask); - tl1_dmmu_miss_load_tsb_mask[1] = OR_G4_I_G4(tsb_kernel_mask); - flush(tl1_dmmu_miss_load_tsb); - flush(tl1_dmmu_miss_load_tsb_mask); - flush(tl1_dmmu_miss_load_tsb_mask + 1); - - tl1_dmmu_prot_load_tsb[0] = SETHI_G4((vm_offset_t)tsb_kernel); - tl1_dmmu_prot_load_tsb_mask[0] = SETHI_G4(tsb_kernel_mask); - tl1_dmmu_prot_load_tsb_mask[1] = OR_G4_I_G4(tsb_kernel_mask); - flush(tl1_dmmu_prot_load_tsb); - flush(tl1_dmmu_prot_load_tsb_mask); - flush(tl1_dmmu_prot_load_tsb_mask + 1); +#define SETHI(rd, imm22) \ + (EIF_OP(IOP_FORM2) | EIF_F2_RD(rd) | EIF_F2_OP2(INS0_SETHI) | \ + EIF_IMM((imm22) >> 10, 22)) +#define OR_R_I_R(rd, imm13, rs1) \ + (EIF_OP(IOP_MISC) | EIF_F3_RD(rd) | EIF_F3_OP3(INS2_OR) | \ + EIF_F3_RS1(rs1) | EIF_F3_I(1) | EIF_IMM(imm13, 13)) + +#define PATCH(addr) do { \ + if (addr[0] != SETHI(IF_F2_RD(addr[0]), 0x0) || \ + addr[1] != OR_R_I_R(IF_F3_RD(addr[1]), 0x0, IF_F3_RS1(addr[1])) || \ + addr[2] != SETHI(IF_F2_RD(addr[2]), 0x0)) \ + panic("pmap_boostrap: patched instructions have changed"); \ + addr[0] |= EIF_IMM((tsb_kernel_mask) >> 10, 22); \ + addr[1] |= EIF_IMM(tsb_kernel_mask, 10); \ + addr[2] |= EIF_IMM(((vm_offset_t)tsb_kernel) >> 10, 22); \ + flush(addr); \ + flush(addr + 1); \ + flush(addr + 2); \ +} while (0) + + PATCH(tl1_immu_miss_patch_1); + PATCH(tl1_immu_miss_patch_2); + PATCH(tl1_dmmu_miss_patch_1); + PATCH(tl1_dmmu_miss_patch_2); + PATCH(tl1_dmmu_prot_patch_1); + PATCH(tl1_dmmu_prot_patch_2); + /* * Lock it in the tlb. */ @@ -380,7 +380,7 @@ pmap_bootstrap(vm_offset_t ekva) va = kernel_tlbs[i].te_va; for (off = 0; off < PAGE_SIZE_4M; off += PAGE_SIZE) { tp = tsb_kvtotte(va + off); - tp->tte_vpn = TV_VPN(va + off); + tp->tte_vpn = TV_VPN(va + off, TS_8K); tp->tte_data = TD_V | TD_8K | TD_PA(pa + off) | TD_REF | TD_SW | TD_CP | TD_CV | TD_P | TD_W; } @@ -398,7 +398,7 @@ pmap_bootstrap(vm_offset_t ekva) pa = kstack0_phys + i * PAGE_SIZE; va = kstack0 + i * PAGE_SIZE; tp = tsb_kvtotte(va); - tp->tte_vpn = TV_VPN(va); + tp->tte_vpn = TV_VPN(va, TS_8K); tp->tte_data = TD_V | TD_8K | TD_PA(pa) | TD_REF | TD_SW | TD_CP | TD_CV | TD_P | TD_W; } @@ -436,7 +436,7 @@ pmap_bootstrap(vm_offset_t ekva) off += PAGE_SIZE) { va = translations[i].om_start + off; tp = tsb_kvtotte(va); - tp->tte_vpn = TV_VPN(va); + tp->tte_vpn = TV_VPN(va, TS_8K); tp->tte_data = translations[i].om_tte + off; } } @@ -783,7 +783,7 @@ pmap_kenter(vm_offset_t va, vm_offset_t pa) data = TD_V | TD_8K | TD_PA(pa) | TD_REF | TD_SW | TD_CP | TD_P | TD_W; if (pmap_cache_enter(m, va) != 0) data |= TD_CV; - tp->tte_vpn = TV_VPN(va); + tp->tte_vpn = TV_VPN(va, TS_8K); tp->tte_data = data; STAILQ_INSERT_TAIL(&m->md.tte_list, tp, tte_link); tp->tte_pmap = kernel_pmap; @@ -804,7 +804,7 @@ pmap_kenter_flags(vm_offset_t va, vm_offset_t pa, u_long flags) tp = tsb_kvtotte(va); CTR4(KTR_PMAP, "pmap_kenter_flags: va=%#lx pa=%#lx tp=%p data=%#lx", va, pa, tp, tp->tte_data); - tp->tte_vpn = TV_VPN(va); + tp->tte_vpn = TV_VPN(va, TS_8K); tp->tte_data = TD_V | TD_8K | TD_PA(pa) | TD_REF | TD_P | flags; } @@ -873,7 +873,7 @@ pmap_map(vm_offset_t *virt, vm_offset_t pa_start, vm_offset_t pa_end, int prot) va = sva; for (; pa < pa_end; pa += PAGE_SIZE, va += PAGE_SIZE) { tp = tsb_kvtotte(va); - tp->tte_vpn = TV_VPN(va); + tp->tte_vpn = TV_VPN(va, TS_8K); tp->tte_data = TD_V | TD_8K | TD_PA(pa) | TD_REF | TD_SW | TD_CP | TD_CV | TD_P | TD_W; } @@ -1467,7 +1467,7 @@ pmap_enter(pmap_t pm, vm_offset_t va, vm_page_t m, vm_prot_t prot, data |= TD_W; } - tsb_tte_enter(pm, m, va, data); + tsb_tte_enter(pm, m, va, TS_8K, data); } } @@ -1516,7 +1516,7 @@ pmap_copy_tte(pmap_t src_pmap, pmap_t dst_pmap, struct tte *tp, vm_offset_t va) data = tp->tte_data & ~(TD_PV | TD_REF | TD_SW | TD_CV | TD_W); m = PHYS_TO_VM_PAGE(TTE_GET_PA(tp)); - tsb_tte_enter(dst_pmap, m, va, data); + tsb_tte_enter(dst_pmap, m, va, TS_8K, data); } return (1); } @@ -1799,10 +1799,6 @@ pmap_activate(struct thread *td) u_long context; pmap_t pm; - /* - * Load all the data we need up front to encourage the compiler to - * not issue any loads while we have interrupts disable below. - */ vm = td->td_proc->p_vmspace; pm = &vm->vm_pmap; tsb = (vm_offset_t)pm->pm_tsb; @@ -1812,9 +1808,9 @@ pmap_activate(struct thread *td) ("pmap_activate: activating nucleus context?")); mtx_lock_spin(&sched_lock); - wrpr(pstate, 0, PSTATE_MMU); - mov(tsb, TSB_REG); - wrpr(pstate, 0, PSTATE_KERNEL); + stxa(AA_DMMU_TSB, ASI_DMMU, tsb); + stxa(AA_IMMU_TSB, ASI_IMMU, tsb); + membar(Sync); context = pmap_context_alloc(); pm->pm_context[PCPU_GET(cpuid)] = context; pm->pm_active |= PCPU_GET(cpumask); diff --git a/sys/sparc64/sparc64/swtch.S b/sys/sparc64/sparc64/swtch.S index 429e961d2567..b94f5acf5458 100644 --- a/sys/sparc64/sparc64/swtch.S +++ b/sys/sparc64/sparc64/swtch.S @@ -243,13 +243,14 @@ ENTRY(cpu_switch) stx %o2, [PCPU(VMSPACE)] /* - * Load the address of the tsb, switch to mmu globals, and install - * the preloaded tsb pointer. + * Load the tsb registers. */ ldx [%o2 + VM_PMAP + PM_TSB], %o3 - wrpr %g0, PSTATE_MMU, %pstate - mov %o3, TSB_REG - wrpr %g0, PSTATE_KERNEL, %pstate + mov AA_DMMU_TSB, %o4 + stxa %o3, [%o4] ASI_DMMU + mov AA_IMMU_TSB, %o4 + stxa %o3, [%o4] ASI_IMMU + membar #Sync 4: #if KTR_COMPILE & KTR_PROC diff --git a/sys/sparc64/sparc64/tsb.c b/sys/sparc64/sparc64/tsb.c index 5083073ad58f..68ba11d44a1b 100644 --- a/sys/sparc64/sparc64/tsb.c +++ b/sys/sparc64/sparc64/tsb.c @@ -63,6 +63,7 @@ #include <machine/tte.h> CTASSERT((1 << TTE_SHIFT) == sizeof(struct tte)); +CTASSERT(TSB_BUCKET_MASK < (1 << 12)); #ifdef PMAP_STATS static long tsb_nrepl; @@ -101,6 +102,7 @@ tsb_tte_lookup(pmap_t pm, vm_offset_t va) { struct tte *bucket; struct tte *tp; + u_long sz; u_int i; if (pm == kernel_pmap) { @@ -110,19 +112,20 @@ tsb_tte_lookup(pmap_t pm, vm_offset_t va) return (tp); } else { TSB_STATS_INC(tsb_nlookup_u); - va = trunc_page(va); - bucket = tsb_vtobucket(pm, va); - for (i = 0; i < TSB_BUCKET_SIZE; i++) { - tp = &bucket[i]; - if (tte_match(tp, va)) - return (tp); + for (sz = TS_MIN; sz <= TS_MAX; sz++) { + bucket = tsb_vtobucket(pm, sz, va); + for (i = 0; i < TSB_BUCKET_SIZE; i++) { + tp = &bucket[i]; + if (tte_match(tp, va)) + return (tp); + } } } return (NULL); } struct tte * -tsb_tte_enter(pmap_t pm, vm_page_t m, vm_offset_t va, u_long data) +tsb_tte_enter(pmap_t pm, vm_page_t m, vm_offset_t va, u_long sz, u_long data) { struct tte *bucket; struct tte *rtp; @@ -140,7 +143,7 @@ tsb_tte_enter(pmap_t pm, vm_page_t m, vm_offset_t va, u_long data) } TSB_STATS_INC(tsb_nenter_u); - bucket = tsb_vtobucket(pm, va); + bucket = tsb_vtobucket(pm, sz, va); tp = NULL; rtp = NULL; @@ -176,7 +179,7 @@ enter: if (pmap_cache_enter(m, va) != 0) data |= TD_CV; - tp->tte_vpn = TV_VPN(va); + tp->tte_vpn = TV_VPN(va, sz); tp->tte_data = data; STAILQ_INSERT_TAIL(&m->md.tte_list, tp, tte_link); tp->tte_pmap = pm; |