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booke_stubs.c revision 1.10
      1 /*	$NetBSD: booke_stubs.c,v 1.10 2016/07/11 16:06:52 matt Exp $	*/
      2 /*-
      3  * Copyright (c) 2010, 2011 The NetBSD Foundation, Inc.
      4  * All rights reserved.
      5  *
      6  * This code is derived from software contributed to The NetBSD Foundation
      7  * by Raytheon BBN Technologies Corp and Defense Advanced Research Projects
      8  * Agency and which was developed by Matt Thomas of 3am Software Foundry.
      9  *
     10  * This material is based upon work supported by the Defense Advanced Research
     11  * Projects Agency and Space and Naval Warfare Systems Center, Pacific, under
     12  * Contract No. N66001-09-C-2073.
     13  * Approved for Public Release, Distribution Unlimited
     14  *
     15  * Redistribution and use in source and binary forms, with or without
     16  * modification, are permitted provided that the following conditions
     17  * are met:
     18  * 1. Redistributions of source code must retain the above copyright
     19  *    notice, this list of conditions and the following disclaimer.
     20  * 2. Redistributions in binary form must reproduce the above copyright
     21  *    notice, this list of conditions and the following disclaimer in the
     22  *    documentation and/or other materials provided with the distribution.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     25  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     26  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     27  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     28  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     29  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     30  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     31  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     32  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     33  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     34  * POSSIBILITY OF SUCH DAMAGE.
     35  */
     36 
     37 #include <sys/cdefs.h>
     38 
     39 __KERNEL_RCSID(0, "$NetBSD: booke_stubs.c,v 1.10 2016/07/11 16:06:52 matt Exp $");
     40 
     41 #include <sys/param.h>
     42 #include <sys/cpu.h>
     43 
     44 #include <powerpc/instr.h>
     45 #include <powerpc/booke/cpuvar.h>
     46 
     47 #define	__stub	__section(".stub") __noprofile
     48 
     49 void tlb_set_asid(tlb_asid_t) __stub;
     50 
     51 void
     52 tlb_set_asid(tlb_asid_t asid)
     53 {
     54 	(*cpu_md_ops.md_tlb_ops->md_tlb_set_asid)(asid);
     55 }
     56 
     57 tlb_asid_t tlb_get_asid(void) __stub;
     58 
     59 tlb_asid_t
     60 tlb_get_asid(void)
     61 {
     62 	return (*cpu_md_ops.md_tlb_ops->md_tlb_get_asid)();
     63 }
     64 
     65 void tlb_invalidate_all(void) __stub;
     66 
     67 void
     68 tlb_invalidate_all(void)
     69 {
     70 	(*cpu_md_ops.md_tlb_ops->md_tlb_invalidate_all)();
     71 }
     72 
     73 void tlb_invalidate_globals(void) __stub;
     74 
     75 void
     76 tlb_invalidate_globals(void)
     77 {
     78 	(*cpu_md_ops.md_tlb_ops->md_tlb_invalidate_globals)();
     79 }
     80 
     81 void tlb_invalidate_asids(tlb_asid_t, tlb_asid_t) __stub;
     82 
     83 void
     84 tlb_invalidate_asids(tlb_asid_t asid_lo, tlb_asid_t asid_hi)
     85 {
     86 	(*cpu_md_ops.md_tlb_ops->md_tlb_invalidate_asids)(asid_lo, asid_hi);
     87 }
     88 
     89 void tlb_invalidate_addr(vaddr_t, tlb_asid_t) __stub;
     90 
     91 void
     92 tlb_invalidate_addr(vaddr_t va, tlb_asid_t asid)
     93 {
     94 	(*cpu_md_ops.md_tlb_ops->md_tlb_invalidate_addr)(va, asid);
     95 }
     96 
     97 bool tlb_update_addr(vaddr_t, tlb_asid_t, pt_entry_t, bool) __stub;
     98 
     99 bool
    100 tlb_update_addr(vaddr_t va, tlb_asid_t asid, pt_entry_t pte, bool insert_p)
    101 {
    102 	return (*cpu_md_ops.md_tlb_ops->md_tlb_update_addr)(va, asid, pte, insert_p);
    103 }
    104 
    105 void tlb_read_entry(size_t, struct tlbmask *) __stub;
    106 
    107 void
    108 tlb_read_entry(size_t pos, struct tlbmask *tlb)
    109 {
    110 	(*cpu_md_ops.md_tlb_ops->md_tlb_read_entry)(pos, tlb);
    111 }
    112 
    113 void tlb_write_entry(size_t, const struct tlbmask *) __stub;
    114 
    115 void
    116 tlb_write_entry(size_t pos, const struct tlbmask *tlb)
    117 {
    118 	(*cpu_md_ops.md_tlb_ops->md_tlb_write_entry)(pos, tlb);
    119 }
    120 
    121 u_int tlb_record_asids(u_long *, tlb_asid_t) __stub;
    122 
    123 u_int
    124 tlb_record_asids(u_long *bitmap, tlb_asid_t asid_max)
    125 {
    126 	return (*cpu_md_ops.md_tlb_ops->md_tlb_record_asids)(bitmap, asid_max);
    127 }
    128 
    129 void tlb_dump(void (*)(const char *, ...)) __stub;
    130 
    131 void
    132 tlb_dump(void (*pr)(const char *, ...))
    133 {
    134 	(*cpu_md_ops.md_tlb_ops->md_tlb_dump)(pr);
    135 }
    136 
    137 void tlb_walk(void *, bool (*)(void *, vaddr_t, uint32_t, uint32_t))
    138     __stub;
    139 
    140 void
    141 tlb_walk(void *ctx, bool (*func)(void *, vaddr_t, uint32_t, uint32_t))
    142 {
    143 	(*cpu_md_ops.md_tlb_ops->md_tlb_walk)(ctx, func);
    144 }
    145 
    146 void *tlb_mapiodev(paddr_t, psize_t, bool) __stub;
    147 
    148 void *
    149 tlb_mapiodev(paddr_t pa, psize_t len, bool prefetchable)
    150 {
    151 	return (*cpu_md_ops.md_tlb_io_ops->md_tlb_mapiodev)(pa, len, prefetchable);
    152 }
    153 
    154 void tlb_unmapiodev(vaddr_t, vsize_t) __stub;
    155 
    156 void
    157 tlb_unmapiodev(vaddr_t va, vsize_t len)
    158 {
    159 	(*cpu_md_ops.md_tlb_io_ops->md_tlb_unmapiodev)(va, len);
    160 }
    161 
    162 int tlb_ioreserve(vaddr_t, vsize_t, uint32_t) __stub;
    163 
    164 int
    165 tlb_ioreserve(vaddr_t va, vsize_t len, uint32_t pte)
    166 {
    167 	return (*cpu_md_ops.md_tlb_io_ops->md_tlb_ioreserve)(va, len, pte);
    168 }
    169 
    170 int tlb_iorelease(vaddr_t) __stub;
    171 
    172 int
    173 tlb_iorelease(vaddr_t va)
    174 {
    175 	return (*cpu_md_ops.md_tlb_io_ops->md_tlb_iorelease)(va);
    176 }
    177