171 lines
4.4 KiB
C
171 lines
4.4 KiB
C
/* $NetBSD: pdsim.h,v 1.1 2006/10/09 12:32:46 yamt Exp $ */
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/*-
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* Copyright (c)2006 YAMAMOTO Takashi,
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/null.h>
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#include <sys/hash.h>
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#include <sys/queue.h>
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include <inttypes.h>
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#define PAGE_SHIFT 12
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#define PAGE_SIZE (1 << PAGE_SHIFT)
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#define PAGE_MASK (PAGE_SIZE - 1)
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#define PDPOL_EVCNT_DEFINE(name) int pdpol_evcnt_##name = 0;
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#define PDPOL_EVCNT_INCR(ev) pdpol_evcnt_##ev++
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#define TRUE 1
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#define FALSE 0
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typedef int boolean_t;
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typedef off_t voff_t;
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struct vm_page;
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struct vm_anon;
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struct uvm_object;
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struct vm_anon {
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struct vm_page *an_page; /* XXX */
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};
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struct vm_page {
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TAILQ_ENTRY(vm_page) pageq;
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struct uvm_object *uobject;
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off_t offset;
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int pqflags;
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#define PQ_SWAPBACKED (PQ_ANON|PQ_AOBJ)
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#define PQ_FREE 0x0001
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#define PQ_ANON 0x0002
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#define PQ_AOBJ 0x0004
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#define PQ_PRIVATE1 0x0100
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#define PQ_PRIVATE2 0x0200
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#define PQ_PRIVATE3 0x0400
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#define PQ_PRIVATE4 0x0800
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#define PQ_PRIVATE5 0x1000
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#define PQ_PRIVATE6 0x2000
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#define PQ_PRIVATE7 0x4000
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#define PQ_PRIVATE8 0x8000
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int _mdflags;
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#define MDPG_REFERENCED 1
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#define MDPG_SPECULATIVE 2
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/* dummy members */
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struct vm_anon *uanon;
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int wire_count;
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int flags;
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#define PG_BUSY 1
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};
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TAILQ_HEAD(pglist, vm_page);
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boolean_t pmap_clear_reference(struct vm_page *);
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boolean_t pmap_is_referenced(struct vm_page *);
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struct uvmexp {
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int npages;
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int pdscans;
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int freetarg;
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int free;
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/* XXX */
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int filepages;
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int execpages;
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int anonpages;
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int pddeact;
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int pdreact;
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};
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extern struct uvmexp uvmexp;
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#define UVM_LOCK_ASSERT_PAGEQ() /* nothing */
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#define KASSERT(x) assert(x)
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static void panic(const char *, ...) __unused;
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static void
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panic(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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fprintf(stderr, "\n");
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abort();
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}
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#define MAXID 102400
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struct uvm_object {
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struct vm_page *pages[MAXID];
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};
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struct uvm_pctparam {
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int pct_pct;
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};
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#define UVM_PCTPARAM_APPLY(pct, x) \
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(((x) * (pct)->pct_pct) / 100)
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#define uvm_pctparam_init(pct, x, f) (pct)->pct_pct = x
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#define UVM_OBJ_IS_VTEXT(o) FALSE
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#define UVM_OBJ_IS_AOBJ(o) FALSE
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#define UVM_OBJ_IS_VNODE(o) TRUE
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#define uvm_swapisfull() TRUE
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#define uvmpd_trydropswap(p) (panic("dropswap"), 0)
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#define MAX(a,b) (((a) > (b)) ? (a) : (b))
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#define MIN(a,b) (((a) < (b)) ? (a) : (b))
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#if ((__STDC_VERSION__ - 0) >= 199901L)
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#define WARN(...) fprintf(stderr, __VA_ARGS__)
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#else /* ((__STDC_VERSION__ - 0) >= 199901L) */
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#define WARN(a...) fprintf(stderr, a)
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#endif /* ((__STDC_VERSION__ - 0) >= 199901L) */
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#if defined(DEBUG)
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#if ((__STDC_VERSION__ - 0) >= 199901L)
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#define DPRINTF(...) printf(__VA_ARGS__)
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#else /* ((__STDC_VERSION__ - 0) >= 199901L) */
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#define DPRINTF(a...) printf(a) /* GCC */
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#endif /* ((__STDC_VERSION__ - 0) >= 199901L) */
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#define dump(s) pdsim_dump(s)
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void dump(const char *);
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#else
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#if ((__STDC_VERSION__ - 0) >= 199901L)
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#define DPRINTF(...) /* nothing */
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#else /* ((__STDC_VERSION__ - 0) >= 199901L) */
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#define DPRINTF(a...) /* nothing */ /* GCC */
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#endif /* ((__STDC_VERSION__ - 0) >= 199901L) */
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#define dump(s) /* nothing */
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#endif
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#include "uvm/uvm_pdpolicy.h"
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