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[src/trunk]: src/sys/arch/sparc64/sparc64 Remove unused function pseg_find (w...



details:   https://anonhg.NetBSD.org/src/rev/bfcdc34f8bf9
branches:  trunk
changeset: 542373:bfcdc34f8bf9
user:      martin <martin%NetBSD.org@localhost>
date:      Mon Jan 27 14:51:30 2003 +0000

description:
Remove unused function pseg_find (which looked quite similar to
pseg_get anyway).

diffstat:

 sys/arch/sparc64/sparc64/locore.s |  115 +-------------------------------------
 1 files changed, 1 insertions(+), 114 deletions(-)

diffs (129 lines):

diff -r aa99b1b30dea -r bfcdc34f8bf9 sys/arch/sparc64/sparc64/locore.s
--- a/sys/arch/sparc64/sparc64/locore.s Mon Jan 27 14:46:10 2003 +0000
+++ b/sys/arch/sparc64/sparc64/locore.s Mon Jan 27 14:51:30 2003 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: locore.s,v 1.163 2003/01/18 06:55:24 thorpej Exp $     */
+/*     $NetBSD: locore.s,v 1.164 2003/01/27 14:51:30 martin Exp $      */
 
 /*
  * Copyright (c) 1996-2002 Eduardo Horvath
@@ -8898,119 +8898,6 @@
        retl
         or     %o0, 1, %o0                             ! spare needed
 
-/*
- * In 32-bit mode:
- *
- * extern void pseg_find(struct pmap* %o0, vaddr_t addr %o1,
- *                      paddr_t spare %o2:%o3);
- *
- * In 64-bit mode:
- *
- * extern void pseg_find(struct pmap* %o0, vaddr_t addr %o1, paddr_t spare %o2);
- *
- * Get the paddr for a particular TTE entry.  Returns the TTE's PA on success,
- * 1 if it needs to fill a pseg, and -1 if the address is in the virtual hole.
- * (NB: nobody in pmap checks for the virtual hole, so the system will hang.)
- *  Allocate a page, pass the phys addr in as the spare, and try again.
- * If spare is not NULL it is assumed to be the address of a zeroed physical
- * page that can be used to generate a directory table or page table if needed.
- *
- */
-ENTRY(pseg_find)
-#ifndef _LP64
-       btst    1, %sp                                  ! 64-bit mode?
-       bnz,pt  %icc, 0f
-        sllx   %o2, 32, %o2                            ! Shift to high 32-bits
-       sll     %o3, 0, %o3                             ! Zero extend
-       sll     %o1, 0, %o1
-       or      %o2, %o3, %o2
-0:
-#endif
-#ifdef NOT_DEBUG
-       !! Trap any changes to pmap_kernel below 0xf0000000
-       set     _C_LABEL(kernel_pmap_), %o5
-       cmp     %o0, %o5
-       bne     0f
-        sethi  %hi(0xf0000000), %o5
-       cmp     %o1, %o5
-       tlu     1
-0:
-#endif
-       !!
-       !! However we managed to get here we now have:
-       !!
-       !! %o0 = *pmap
-       !! %o1 = addr
-       !! %o2 = spare
-       !!
-       srax    %o1, HOLESHIFT, %o4                     ! Check for valid address
-       brz,pt  %o4, 0f                                 ! Should be zero or -1
-        inc    %o4                                     ! Make -1 -> 0
-       brz,pt  %o4, 0f
-        nop
-#ifdef DEBUG
-       ta      1                                       ! Break into debugger
-#endif
-       mov     -1, %o0                                 ! Error -- in hole!
-       retl
-        mov    -1, %o1
-0:
-       ldx     [%o0 + PM_PHYS], %o4                    ! pmap->pm_segs
-       srlx    %o1, STSHIFT, %o5
-       and     %o5, STMASK, %o5
-       sll     %o5, 3, %o5
-       add     %o4, %o5, %o4
-2:
-       DLFLUSH(%o4,%o3)
-       ldxa    [%o4] ASI_PHYS_CACHED, %o5              ! Load page directory pointer
-       DLFLUSH2(%o3)
-
-       brnz,a,pt       %o5, 0f                         ! Null pointer?
-        mov    %o5, %o4
-       brz,pn  %o2, 1f                                 ! Have a spare?
-        mov    %o2, %o5
-       casxa   [%o4] ASI_PHYS_CACHED, %g0, %o5
-       brnz,pn %o5, 2b                                 ! Something changed?
-       DLFLUSH(%o4, %o5)
-       mov     %o2, %o4
-       clr     %o2                                     ! Mark spare as used
-0:
-       srlx    %o1, PDSHIFT, %o5
-       and     %o5, PDMASK, %o5
-       sll     %o5, 3, %o5
-       add     %o4, %o5, %o4
-2:
-       DLFLUSH(%o4,%o3)
-       ldxa    [%o4] ASI_PHYS_CACHED, %o5              ! Load table directory pointer
-       DLFLUSH2(%o3)
-
-       brnz,a,pt       %o5, 0f                         ! Null pointer?
-        mov    %o5, %o4
-       brz,pn  %o2, 1f                                 ! Have a spare?
-        mov    %o2, %o5
-       casxa   [%o4] ASI_PHYS_CACHED, %g0, %o5
-       brnz,pn %o5, 2b                                 ! Something changed?
-       DLFLUSH(%o4, %o4)
-       mov     %o2, %o4
-       clr     %o2                                     ! Mark spare as used
-0:
-       srlx    %o1, PTSHIFT, %o5                       ! Convert to ptab offset
-       btst    1, %sp
-       and     %o5, PTMASK, %o5
-       sll     %o5, 3, %o5
-       bz,pn   %icc, 0f                                ! 64-bit mode?
-        add    %o5, %o4, %o0
-       retl
-        clr    %o0
-0:
-       srl     %o0, 0, %o1
-       retl                                            ! No, generate a %o0:%o1 double
-        srlx   %o0, 32, %o0
-
-1:
-       retl
-        mov    1, %o0
-
 
 /*
  * Use block_disable to turn off block insns for



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