Remove kvm_sparc.c. This is for 32-bit sparc support and was imported

from 4.4BSD.  It has never been used by FreeBSD.

1 files changed, 0 insertions, 236 deletions

diff --git a/lib/libkvm/kvm_sparc.c b/lib/libkvm/kvm_sparc.c
deleted file mode 100644
index bafd08c..0000000
--- a/lib/libkvm/kvm_sparc.c
+++ /dev/null
@@ -1,236 +0,0 @@
-/*-
- * Copyright (c) 1992, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software developed by the Computer Systems
- * Engineering group at Lawrence Berkeley Laboratory under DARPA contract
- * BG 91-66 and contributed to Berkeley.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#if defined(LIBC_SCCS) && !defined(lint)
-#if 0
-static char sccsid[] = "@(#)kvm_sparc.c	8.1 (Berkeley) 6/4/93";
-#endif
-#endif /* LIBC_SCCS and not lint */
-
-/*
- * Sparc machine dependent routines for kvm.  Hopefully, the forthcoming
- * vm code will one day obsolete this module.
- */
-
-#include <sys/param.h>
-#include <sys/user.h>
-#include <sys/proc.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <nlist.h>
-#include <kvm.h>
-
-#include <vm/vm.h>
-#include <vm/vm_param.h>
-
-#include <limits.h>
-
-#include "kvm_private.h"
-
-#define NPMEG 128
-
-/* XXX from sparc/pmap.c */
-#define MAXMEM  (128 * 1024 * 1024)     /* no more than 128 MB phys mem */
-#define NPGBANK 16                      /* 2^4 pages per bank (64K / bank) */
-#define BSHIFT  4                       /* log2(NPGBANK) */
-#define BOFFSET (NPGBANK - 1)
-#define BTSIZE  (MAXMEM / NBPG / NPGBANK)
-#define HWTOSW(pmap_stod, pg) (pmap_stod[(pg) >> BSHIFT] | ((pg) & BOFFSET))
-
-struct vmstate {
-	pmeg_t segmap[NKSEG];
-	int pmeg[NPMEG][NPTESG];
-	int pmap_stod[BTSIZE];              /* dense to sparse */
-};
-
-void
-_kvm_freevtop(kd)
-	kvm_t *kd;
-{
-	if (kd->vmst != 0)
-		free(kd->vmst);
-}
-
-int
-_kvm_initvtop(kd)
-	kvm_t *kd;
-{
-	int i;
-	int off;
-	struct vmstate *vm;
-	struct stat st;
-	struct nlist nlist[2];
-
-	vm = (struct vmstate *)_kvm_malloc(kd, sizeof(*vm));
-	if (vm == 0)
-		return (-1);
-
-	kd->vmst = vm;
-
-	if (fstat(kd->pmfd, &st) < 0)
-		return (-1);
-	/*
-	 * Read segment table.
-	 */
-	off = st.st_size - ctob(btoc(sizeof(vm->segmap)));
-	errno = 0;
-	if (lseek(kd->pmfd, (off_t)off, 0) == -1 && errno != 0 ||
-	    read(kd->pmfd, (char *)vm->segmap, sizeof(vm->segmap)) < 0) {
-		_kvm_err(kd, kd->program, "cannot read segment map");
-		return (-1);
-	}
-	/*
-	 * Read PMEGs.
-	 */
-	off = st.st_size - ctob(btoc(sizeof(vm->pmeg)) +
-	    btoc(sizeof(vm->segmap)));
-	errno = 0;
-	if (lseek(kd->pmfd, (off_t)off, 0) == -1 && errno != 0 ||
-	    read(kd->pmfd, (char *)vm->pmeg, sizeof(vm->pmeg)) < 0) {
-		_kvm_err(kd, kd->program, "cannot read PMEG table");
-		return (-1);
-	}
-	/*
-	 * Make pmap_stod be an identity map so we can bootstrap it in.
-	 * We assume it's in the first contiguous chunk of physical memory.
-	 */
-	for (i = 0; i < BTSIZE; ++i)
-		vm->pmap_stod[i] = i << 4;
-
-	/*
-	 * It's okay to do this nlist separately from the one kvm_getprocs()
-	 * does, since the only time we could gain anything by combining
-	 * them is if we do a kvm_getprocs() on a dead kernel, which is
-	 * not too common.
-	 */
-	nlist[0].n_name = "_pmap_stod";
-	nlist[1].n_name = 0;
-	if (kvm_nlist(kd, nlist) != 0) {
-		_kvm_err(kd, kd->program, "pmap_stod: no such symbol");
-		return (-1);
-	}
-	if (kvm_read(kd, (u_long)nlist[0].n_value,
-		     (char *)vm->pmap_stod, sizeof(vm->pmap_stod))
-	    != sizeof(vm->pmap_stod)) {
-		_kvm_err(kd, kd->program, "cannot read pmap_stod");
-		return (-1);
-	}
-	return (0);
-}
-
-#define VA_OFF(va) (va & (NBPG - 1))
-
-/*
- * Translate a user virtual address to a physical address.
- */
-int
-_kvm_uvatop(kd, p, va, pa)
-	kvm_t *kd;
-	const struct proc *p;
-	u_long va;
-	u_long *pa;
-{
-	int kva, pte;
-	int off, frame;
-	struct vmspace *vms = p->p_vmspace;
-
-	if ((u_long)vms < KERNBASE) {
-		_kvm_err(kd, kd->program, "_kvm_uvatop: corrupt proc");
-		return (0);
-	}
-	if (va >= KERNBASE)
-		return (0);
-	/*
-	 * Get the PTE.  This takes two steps.  We read the
-	 * base address of the table, then we index it.
-	 * Note that the index pte table is indexed by
-	 * virtual segment rather than physical segment.
-	 */
-	kva = (u_long)&vms->vm_pmap.pm_rpte[VA_VSEG(va)];
-	if (kvm_read(kd, kva, (char *)&kva, 4) != 4 || kva == 0)
-		goto invalid;
-	kva += sizeof(vms->vm_pmap.pm_rpte[0]) * VA_VPG(va);
-	if (kvm_read(kd, kva, (char *)&pte, 4) == 4 && (pte & PG_V)) {
-		off = VA_OFF(va);
-		/*
-		 * /dev/mem adheres to the hardware model of physical memory
-		 * (with holes in the address space), while crashdumps
-		 * adhere to the contiguous software model.
-		 */
-		if (ISALIVE(kd))
-			frame = pte & PG_PFNUM;
-		else
-			frame = HWTOSW(kd->vmst->pmap_stod, pte & PG_PFNUM);
-		*pa = (frame << PGSHIFT) | off;
-		return (NBPG - off);
-	}
-invalid:
-	_kvm_err(kd, 0, "invalid address (%x)", va);
-	return (0);
-}
-
-/*
- * Translate a kernel virtual address to a physical address using the
- * mapping information in kd->vm.  Returns the result in pa, and returns
- * the number of bytes that are contiguously available from this
- * physical address.  This routine is used only for crashdumps.
- */
-int
-_kvm_kvatop(kd, va, pa)
-	kvm_t *kd;
-	u_long va;
-	uint64_t *pa;
-{
-	struct vmstate *vm;
-	int s;
-	int pte;
-	int off;
-
-	if (va >= KERNBASE) {
-		vm = kd->vmst;
-		s = vm->segmap[VA_VSEG(va) - NUSEG];
-		pte = vm->pmeg[s][VA_VPG(va)];
-		if ((pte & PG_V) != 0) {
-			off = VA_OFF(va);
-			*pa = (HWTOSW(vm->pmap_stod, pte & PG_PFNUM)
-			       << PGSHIFT) | off;
-
-			return (NBPG - off);
-		}
-	}
-	_kvm_err(kd, 0, "invalid address (%x)", va);
-	return (0);
-}