diff options
| author | Michael Shalayeff <mickey@cvs.openbsd.org> | 2002-02-11 21:29:38 +0000 |
|---|---|---|
| committer | Michael Shalayeff <mickey@cvs.openbsd.org> | 2002-02-11 21:29:38 +0000 |
| commit | 16ae3bfcaa22d0549241eb51db85a4f782b0d8ea (patch) | |
| tree | d6df15e87d41a7757383ef294b6427ac777e700d /sys/arch | |
| parent | d223c3135bf0c501de5716dc83596ce0cfe2a058 (diff) | |
remove lpa support (used for kvtop), copy a piece of pcxl fault handler into the dirty handler to avoid excessive branching
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/hppa/hppa/locore.S | 76 |
1 files changed, 17 insertions, 59 deletions
diff --git a/sys/arch/hppa/hppa/locore.S b/sys/arch/hppa/hppa/locore.S index 82f133b2575..f0e86519fc4 100644 --- a/sys/arch/hppa/hppa/locore.S +++ b/sys/arch/hppa/hppa/locore.S @@ -1,4 +1,4 @@ -/* $OpenBSD: locore.S,v 1.51 2002/02/11 19:42:11 mickey Exp $ */ +/* $OpenBSD: locore.S,v 1.52 2002/02/11 21:29:37 mickey Exp $ */ /* * Copyright (c) 1998-2001 Michael Shalayeff @@ -1376,7 +1376,7 @@ $tlb_gottalook_t */ ldw HPT_ENTRY(r24),r24 $hash_loop_t - comb,=,n r0, r24, $tlbiflpa + comb,=,n r0, r24, TLABEL(all) ldw PV_VA(r24),r25 ldw PV_SPACE(r24),r17 comb,<>,n r9,r25,$hash_loop_t @@ -1497,8 +1497,20 @@ $hash_loop_tlbd_l /* Set the dirty bit for this physical page. */ ldw PV_TLBPAGE(r16), r17 ldw PV_TLBPROT(r16), r25 - b $tlb_inshpt_l depi 1, TLB_DIRTY_POS, 1, r25 + depi 1, TLB_REF_POS, 1, r25 + stw r25, PV_TLBPROT(r16) + VTAG /* (r8,r9) -> r16 */ + + stw r16, HPT_TAG(r24) + stw r25, HPT_TLBPROT(r24) + stw r17, HPT_TLBPAGE(r24) + + .word 0x04111440 ; idtlbaf r17 + .word 0x04191400 ; idtlbpf r25 + nop ! nop + rfir + nop .align 8 $itlb_l @@ -1522,7 +1534,7 @@ $dtlb_l */ ldw HPT_ENTRY(r24), r16 $hash_loop_l - comb,=,n r0, r16, $tlbiflpa + comb,=,n r0, r16, TLABEL(all) ldw PV_VA(r16), r25 ldw PV_SPACE(r16), r17 comb,<>,n r9, r25, $hash_loop_l @@ -1533,13 +1545,12 @@ $hash_loop_l /* Now set things up to enter the real mapping that we want */ ldw PV_TLBPAGE(r16), r17 ldw PV_TLBPROT(r16), r25 - depi 1, TLB_REF_POS, 1, r25 /* * Load the HPT cache with the miss information for the next time. * The HPT entry address was saved by the HPTENT */ -$tlb_inshpt_l + depi 1, TLB_REF_POS, 1, r25 stw r25, PV_TLBPROT(r16) VTAG /* (r8,r9) -> r16 */ @@ -1562,59 +1573,6 @@ $tlb_itlb_l nop #endif /* HP7100LC_CPU */ - .export $tlbiflpa, entry -$tlbiflpa - ldi T_DTLBMISSNA, r16 - mfctl iir, r17 - comb,<>,n r1, r16, TLABEL(all) - extru r17, 5, 6, r16 - ldi 0x4d, r25 - comib,<>,n 1, r16, TLABEL(all) - extru r17, 25, 8, r16 - comb,<>,n r25, r16, TLABEL(all) - - /* ok, this is a miss in LPA */ - mfctl ipsw, r16 - depi 1, PSW_N_POS, 1, r16 - depi 0, 26, 27, r17 - mtctl r16, ipsw - - ldi $tlbiflpa_zr, r25 - bv r17(r25) -$tlbiflpa_zr - copy r0, r0 ! rfir - copy r0, r1 ! rfir - copy r0, r2 ! rfir - copy r0, r3 ! rfir - copy r0, r4 ! rfir - copy r0, r5 ! rfir - copy r0, r6 ! rfir - copy r0, r7 ! rfir - copy r0, r8 ! rfir - copy r0, r9 ! rfir - copy r0, r10 ! rfir - copy r0, r11 ! rfir - copy r0, r12 ! rfir - copy r0, r13 ! rfir - copy r0, r14 ! rfir - copy r0, r15 ! rfir - copy r0, r16 ! rfir - copy r0, r17 ! rfir - copy r0, r18 ! rfir - copy r0, r19 ! rfir - copy r0, r20 ! rfir - copy r0, r21 ! rfir - copy r0, r22 ! rfir - copy r0, r23 ! rfir - copy r0, r24 ! rfir - copy r0, r25 ! rfir - copy r0, r26 ! rfir - copy r0, r27 ! rfir - copy r0, r28 ! rfir - copy r0, r29 ! rfir - copy r0, r30 ! rfir - copy r0, r31 ! rfir - .export $tlb_missend, entry $tlb_missend |