1 files changed, 116 insertions, 0 deletions
diff --git a/lib/libkvm/kvm_mips.c b/lib/libkvm/kvm_mips.c
new file mode 100644
index 0000000..56e7fbf
--- /dev/null
+++ b/lib/libkvm/kvm_mips.c
@@ -0,0 +1,116 @@
+/*-
+ * Copyright (C) 2006 Bruce M. Simpson.
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ */
+
+/*
+ * MIPS machine dependent routines for kvm.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/elf32.h>
+#include <sys/mman.h>
+
+#include <vm/vm.h>
+#include <vm/vm_param.h>
+#include <vm/pmap.h>
+
+#include <machine/pmap.h>
+
+#include <db.h>
+#include <limits.h>
+#include <kvm.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "kvm_private.h"
+
+/* minidump must be the first item! */
+struct vmstate {
+	int minidump;		/* 1 = minidump mode */
+	void *mmapbase;
+	size_t mmapsize;
+};
+
+void
+_kvm_freevtop(kvm_t *kd)
+{
+	if (kd->vmst != 0) {
+		if (kd->vmst->minidump)
+			return (_kvm_minidump_freevtop(kd));
+		if (kd->vmst->mmapbase != NULL)
+			munmap(kd->vmst->mmapbase, kd->vmst->mmapsize);
+		free(kd->vmst);
+		kd->vmst = NULL;
+	}
+}
+
+int
+_kvm_initvtop(kvm_t *kd)
+{
+	char minihdr[8];
+
+	if (!kd->rawdump) {
+		if (pread(kd->pmfd, &minihdr, 8, 0) == 8) {
+			if (memcmp(&minihdr, "minidump", 8) == 0)
+				return (_kvm_minidump_initvtop(kd));
+		} else {
+			_kvm_err(kd, kd->program, "cannot read header");
+			return (-1);
+		}
+	}
+
+	_kvm_err(kd, 0, "_kvm_initvtop: Unsupported image type");
+	return (-1);
+}
+
+int
+_kvm_kvatop(kvm_t *kd, u_long va, off_t *pa)
+{
+
+	if (kd->vmst->minidump)
+		return _kvm_minidump_kvatop(kd, va, pa);
+
+
+	_kvm_err(kd, 0, "_kvm_kvatop: Unsupported image type");
+	return (0);
+}
+
+/*
+ * Machine-dependent initialization for ALL open kvm descriptors,
+ * not just those for a kernel crash dump.  Some architectures
+ * have to deal with these NOT being constants!  (i.e. m68k)
+ */
+#ifdef FBSD_NOT_YET
+int
+_kvm_mdopen(kvm_t *kd __unused)
+{
+
+	return (0);
+}
+#endif