These were repo-copied to dump_machdep.c.
This commit is contained in:
Jake Burkholder
parent
60b22c6d62
commit
26a9c7b7e1
@ -1,116 +0,0 @@
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/*-
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* Copyright (c) 2002 Poul-Henning Kamp
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* Copyright (c) 2002 Networks Associates Technology, Inc.
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* All rights reserved.
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*
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* This software was developed for the FreeBSD Project by Poul-Henning Kamp
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* and NAI Labs, the Security Research Division of Network Associates, Inc.
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* under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
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* DARPA CHATS research program.
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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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* 3. The names of the authors may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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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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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/kernel.h>
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#include <sys/kerneldump.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <machine/md_var.h>
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CTASSERT(sizeof(struct kerneldumpheader) == 512);
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static struct kerneldumpheader kdh;
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void
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dumpsys(struct dumperinfo *di)
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{
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off_t dumplo;
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vm_offset_t a, addr;
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u_int count, left, u;
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void *va;
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int i, mb;
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printf("Dumping %u MB\n", Maxmem / (1024*1024 / PAGE_SIZE));
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/* Fill in the kernel dump header */
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strcpy(kdh.magic, KERNELDUMPMAGIC);
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strcpy(kdh.architecture, "alpha");
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kdh.version = htod32(KERNELDUMPVERSION);
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kdh.architectureversion = htod32(KERNELDUMP_ALPHA_VERSION);
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kdh.dumplength = htod64(Maxmem * (off_t)PAGE_SIZE);
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kdh.dumptime = htod64(time_second);
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kdh.blocksize = htod32(di->blocksize);
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strncpy(kdh.hostname, hostname, sizeof kdh.hostname);
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strncpy(kdh.versionstring, version, sizeof kdh.versionstring);
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if (panicstr != NULL)
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strncpy(kdh.panicstring, panicstr, sizeof kdh.panicstring);
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kdh.parity = kerneldump_parity(&kdh);
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dumplo = di->mediaoffset + di->mediasize - Maxmem * (off_t)PAGE_SIZE;
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dumplo -= sizeof kdh * 2;
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i = di->dumper(di->priv, &kdh, NULL, dumplo, sizeof kdh);
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if (i)
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printf("\nDump failed writing header (%d)\n", i);
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dumplo += sizeof kdh;
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i = 0;
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addr = 0;
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va = 0;
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mb = 0;
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for (count = 0; count < Maxmem;) {
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left = Maxmem - count;
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if (left > MAXDUMPPGS)
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left = MAXDUMPPGS;
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for (u = 0; u < left; u++) {
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a = addr + u * PAGE_SIZE;
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if (!is_physical_memory(a))
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a = 0;
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va = pmap_kenter_temporary(trunc_page(a), u);
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}
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i = count / (16*1024*1024 / PAGE_SIZE);
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if (i != mb) {
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printf(" %d", count / (1024 * 1024 / PAGE_SIZE));
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mb = i;
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}
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i = di->dumper(di->priv, va, NULL, dumplo, left * PAGE_SIZE);
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if (i)
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break;
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count += left;
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dumplo += left * PAGE_SIZE;
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addr += left * PAGE_SIZE;
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}
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if (i)
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printf("\nDump failed writing data (%d)\n", i);
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i = di->dumper(di->priv, &kdh, NULL, dumplo, sizeof kdh);
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if (i)
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printf("\nDump failed writing trailer (%d)\n", i);
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di->dumper(di->priv, NULL, NULL, 0, 0); /* tell them we are done */
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printf("\nDump complete\n");
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return;
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}
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@ -1,123 +0,0 @@
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/*-
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* Copyright (c) 2002 Poul-Henning Kamp
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* Copyright (c) 2002 Networks Associates Technology, Inc.
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* All rights reserved.
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*
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* This software was developed for the FreeBSD Project by Poul-Henning Kamp
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* and NAI Labs, the Security Research Division of Network Associates, Inc.
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* under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
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* DARPA CHATS research program.
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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
|
||||
* 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.
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* 3. The names of the authors may not be used to endorse or promote
|
||||
* products derived from this software without specific prior written
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* permission.
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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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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/cons.h>
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#include <sys/kernel.h>
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#include <sys/kerneldump.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <machine/md_var.h>
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CTASSERT(sizeof(struct kerneldumpheader) == 512);
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static struct kerneldumpheader kdh;
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void
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dumpsys(struct dumperinfo *di)
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{
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off_t dumplo;
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vm_offset_t a, addr;
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u_int count, left, u;
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void *va;
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int i, mb;
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int c;
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printf("Dumping %u MB\n", Maxmem / (1024*1024 / PAGE_SIZE));
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/* Fill in the kernel dump header */
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strcpy(kdh.magic, KERNELDUMPMAGIC);
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strcpy(kdh.architecture, "i386");
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kdh.version = htod32(KERNELDUMPVERSION);
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kdh.architectureversion = htod32(KERNELDUMP_I386_VERSION);
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kdh.dumplength = htod64(Maxmem * (off_t)PAGE_SIZE);
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kdh.dumptime = htod64(time_second);
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kdh.blocksize = htod32(di->blocksize);
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strncpy(kdh.hostname, hostname, sizeof kdh.hostname);
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strncpy(kdh.versionstring, version, sizeof kdh.versionstring);
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if (panicstr != NULL)
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strncpy(kdh.panicstring, panicstr, sizeof kdh.panicstring);
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kdh.parity = kerneldump_parity(&kdh);
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dumplo = di->mediaoffset + di->mediasize - Maxmem * (off_t)PAGE_SIZE;
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dumplo -= sizeof kdh * 2;
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i = di->dumper(di->priv, &kdh, NULL, dumplo, sizeof kdh);
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if (i)
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printf("\nDump failed writing header (%d)\n", i);
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dumplo += sizeof kdh;
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i = 0;
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addr = 0;
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va = 0;
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mb = 0;
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for (count = 0; count < Maxmem;) {
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left = Maxmem - count;
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if (left > MAXDUMPPGS)
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left = MAXDUMPPGS;
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for (u = 0; u < left; u++) {
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a = addr + u * PAGE_SIZE;
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if (!is_physical_memory(a))
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a = 0;
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va = pmap_kenter_temporary(trunc_page(a), u);
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}
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i = count / (16*1024*1024 / PAGE_SIZE);
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if (i != mb) {
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printf(" %d", count / (1024 * 1024 / PAGE_SIZE));
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mb = i;
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}
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i = di->dumper(di->priv, va, NULL, dumplo, left * PAGE_SIZE);
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if (i)
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break;
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count += left;
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dumplo += left * PAGE_SIZE;
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addr += left * PAGE_SIZE;
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if ((c = cncheckc()) == 0x03) {
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printf("\nDump aborted.\n");
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return;
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} else if (c != -1)
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printf("[CTRL-C to abort] ");
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}
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if (i)
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printf("\nDump failed writing data (%d)\n", i);
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i = di->dumper(di->priv, &kdh, NULL, dumplo, sizeof kdh);
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if (i)
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printf("\nDump failed writing trailer (%d)\n", i);
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di->dumper(di->priv, NULL, NULL, 0, 0); /* tell them we are done */
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printf("\nDump complete\n");
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return;
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}
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@ -1,299 +0,0 @@
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/*
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* Copyright (c) 2002 Marcel Moolenaar
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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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||||
*
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||||
* 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.
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||||
*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
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* 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
|
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/kernel.h>
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#include <sys/kerneldump.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <machine/bootinfo.h>
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#include <machine/efi.h>
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#include <machine/elf.h>
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#include <machine/md_var.h>
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CTASSERT(sizeof(struct kerneldumpheader) == 512);
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#define MD_ALIGN(x) (((off_t)(x) + EFI_PAGE_MASK) & ~EFI_PAGE_MASK)
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#define DEV_ALIGN(x) (((off_t)(x) + (DEV_BSIZE-1)) & ~(DEV_BSIZE-1))
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typedef int callback_t(EFI_MEMORY_DESCRIPTOR*, int, void*);
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static struct kerneldumpheader kdh;
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static off_t dumplo, fileofs;
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/* Handle buffered writes. */
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static char buffer[DEV_BSIZE];
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static size_t fragsz;
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/* XXX should be MI */
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static void
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mkdumpheader(struct kerneldumpheader *kdh, uint32_t archver, uint64_t dumplen,
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uint32_t blksz)
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{
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bzero(kdh, sizeof(*kdh));
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strncpy(kdh->magic, KERNELDUMPMAGIC, sizeof(kdh->magic));
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strncpy(kdh->architecture, MACHINE_ARCH, sizeof(kdh->architecture));
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kdh->version = htod32(KERNELDUMPVERSION);
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kdh->architectureversion = htod32(archver);
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kdh->dumplength = htod64(dumplen);
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kdh->dumptime = htod64(time_second);
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kdh->blocksize = htod32(blksz);
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strncpy(kdh->hostname, hostname, sizeof(kdh->hostname));
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strncpy(kdh->versionstring, version, sizeof(kdh->versionstring));
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if (panicstr != NULL)
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strncpy(kdh->panicstring, panicstr, sizeof(kdh->panicstring));
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kdh->parity = kerneldump_parity(kdh);
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}
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static int
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buf_write(struct dumperinfo *di, char *ptr, size_t sz)
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{
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size_t len;
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int error;
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while (sz) {
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len = DEV_BSIZE - fragsz;
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if (len > sz)
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len = sz;
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bcopy(ptr, buffer + fragsz, len);
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fragsz += len;
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ptr += len;
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sz -= len;
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if (fragsz == DEV_BSIZE) {
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error = di->dumper(di->priv, buffer, NULL, dumplo,
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DEV_BSIZE);
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if (error)
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return error;
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dumplo += DEV_BSIZE;
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fragsz = 0;
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}
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}
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return (0);
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}
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static int
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buf_flush(struct dumperinfo *di)
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{
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int error;
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if (fragsz == 0)
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return (0);
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error = di->dumper(di->priv, buffer, NULL, dumplo, DEV_BSIZE);
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dumplo += DEV_BSIZE;
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return (error);
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}
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static int
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cb_dumpdata(EFI_MEMORY_DESCRIPTOR *mdp, int seqnr, void *arg)
|
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{
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struct dumperinfo *di = (struct dumperinfo*)arg;
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vm_offset_t pa;
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uint64_t pgs;
|
||||
size_t counter, sz;
|
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int error, twiddle;
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error = 0; /* catch case in which mdp->NumberOfPages is 0 */
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counter = 0; /* Update twiddle every 16MB */
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twiddle = 0;
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pgs = mdp->NumberOfPages;
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pa = IA64_PHYS_TO_RR7(mdp->PhysicalStart);
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printf(" chunk %d: %ld pages ", seqnr, (long)pgs);
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while (pgs) {
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sz = (pgs > (DFLTPHYS >> EFI_PAGE_SHIFT))
|
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? DFLTPHYS : pgs << EFI_PAGE_SHIFT;
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counter += sz;
|
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if (counter >> 24) {
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printf("%c\b", "|/-\\"[twiddle++ & 3]);
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counter &= (1<<24) - 1;
|
||||
}
|
||||
error = di->dumper(di->priv, (void*)pa, NULL, dumplo, sz);
|
||||
if (error)
|
||||
break;
|
||||
dumplo += sz;
|
||||
pgs -= sz >> EFI_PAGE_SHIFT;
|
||||
pa += sz;
|
||||
}
|
||||
printf("... %s\n", (error) ? "fail" : "ok");
|
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return (error);
|
||||
}
|
||||
|
||||
static int
|
||||
cb_dumphdr(EFI_MEMORY_DESCRIPTOR *mdp, int seqnr, void *arg)
|
||||
{
|
||||
struct dumperinfo *di = (struct dumperinfo*)arg;
|
||||
Elf64_Phdr phdr;
|
||||
int error;
|
||||
|
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bzero(&phdr, sizeof(phdr));
|
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phdr.p_type = PT_LOAD;
|
||||
phdr.p_flags = PF_R; /* XXX */
|
||||
phdr.p_offset = fileofs;
|
||||
phdr.p_vaddr = mdp->VirtualStart; /* XXX probably bogus. */
|
||||
phdr.p_paddr = mdp->PhysicalStart;
|
||||
phdr.p_filesz = mdp->NumberOfPages << EFI_PAGE_SHIFT;
|
||||
phdr.p_memsz = mdp->NumberOfPages << EFI_PAGE_SHIFT;
|
||||
phdr.p_align = EFI_PAGE_SIZE;
|
||||
|
||||
error = buf_write(di->priv, (char*)&phdr, sizeof(phdr));
|
||||
fileofs += phdr.p_filesz;
|
||||
return (error);
|
||||
}
|
||||
|
||||
static int
|
||||
cb_size(EFI_MEMORY_DESCRIPTOR *mdp, int seqnr, void *arg)
|
||||
{
|
||||
uint64_t *sz = (uint64_t*)arg;
|
||||
|
||||
*sz += (uint64_t)mdp->NumberOfPages << EFI_PAGE_SHIFT;
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
foreach_chunk(callback_t cb, void *arg)
|
||||
{
|
||||
EFI_MEMORY_DESCRIPTOR *mdp;
|
||||
int error, i, mdcount, seqnr;
|
||||
|
||||
mdp = (EFI_MEMORY_DESCRIPTOR *)IA64_PHYS_TO_RR7(bootinfo.bi_memmap);
|
||||
mdcount = bootinfo.bi_memmap_size / bootinfo.bi_memdesc_size;
|
||||
|
||||
if (mdp == NULL || mdcount == 0)
|
||||
return (0);
|
||||
|
||||
for (i = 0, seqnr = 0; i < mdcount; i++) {
|
||||
if (mdp->Type == EfiConventionalMemory) {
|
||||
error = (*cb)(mdp, seqnr++, arg);
|
||||
if (error)
|
||||
return (-error);
|
||||
}
|
||||
mdp = NextMemoryDescriptor(mdp, bootinfo.bi_memdesc_size);
|
||||
}
|
||||
|
||||
return (seqnr);
|
||||
}
|
||||
|
||||
void
|
||||
dumpsys(struct dumperinfo *di)
|
||||
{
|
||||
Elf64_Ehdr ehdr;
|
||||
uint64_t dumpsize;
|
||||
off_t hdrgap;
|
||||
size_t hdrsz;
|
||||
int error;
|
||||
|
||||
bzero(&ehdr, sizeof(ehdr));
|
||||
ehdr.e_ident[EI_MAG0] = ELFMAG0;
|
||||
ehdr.e_ident[EI_MAG1] = ELFMAG1;
|
||||
ehdr.e_ident[EI_MAG2] = ELFMAG2;
|
||||
ehdr.e_ident[EI_MAG3] = ELFMAG3;
|
||||
ehdr.e_ident[EI_CLASS] = ELFCLASS64;
|
||||
#if BYTE_ORDER == LITTLE_ENDIAN
|
||||
ehdr.e_ident[EI_DATA] = ELFDATA2LSB;
|
||||
#else
|
||||
ehdr.e_ident[EI_DATA] = ELFDATA2MSB;
|
||||
#endif
|
||||
ehdr.e_ident[EI_VERSION] = EV_CURRENT;
|
||||
ehdr.e_ident[EI_OSABI] = ELFOSABI_STANDALONE; /* XXX big picture? */
|
||||
ehdr.e_type = ET_CORE;
|
||||
ehdr.e_machine = EM_IA_64;
|
||||
ehdr.e_phoff = sizeof(ehdr);
|
||||
ehdr.e_flags = EF_IA_64_ABSOLUTE; /* XXX misuse? */
|
||||
ehdr.e_ehsize = sizeof(ehdr);
|
||||
ehdr.e_phentsize = sizeof(Elf64_Phdr);
|
||||
ehdr.e_shentsize = sizeof(Elf64_Shdr);
|
||||
|
||||
/* Calculate dump size. */
|
||||
dumpsize = 0L;
|
||||
ehdr.e_phnum = foreach_chunk(cb_size, &dumpsize);
|
||||
hdrsz = ehdr.e_phoff + ehdr.e_phnum * ehdr.e_phentsize;
|
||||
fileofs = MD_ALIGN(hdrsz);
|
||||
dumpsize += fileofs;
|
||||
hdrgap = fileofs - DEV_ALIGN(hdrsz);
|
||||
|
||||
/* Determine dump offset on device. */
|
||||
dumplo = di->mediaoffset + di->mediasize - dumpsize;
|
||||
dumplo -= sizeof(kdh) * 2;
|
||||
|
||||
mkdumpheader(&kdh, KERNELDUMP_IA64_VERSION, dumpsize, di->blocksize);
|
||||
|
||||
printf("Dumping %llu MB (%d chunks)\n", dumpsize >> 20, ehdr.e_phnum);
|
||||
|
||||
/* Dump leader */
|
||||
error = di->dumper(di->priv, &kdh, NULL, dumplo, sizeof(kdh));
|
||||
if (error)
|
||||
goto fail;
|
||||
dumplo += sizeof(kdh);
|
||||
|
||||
/* Dump ELF header */
|
||||
error = buf_write(di, (char*)&ehdr, sizeof(ehdr));
|
||||
if (error)
|
||||
goto fail;
|
||||
|
||||
/* Dump program headers */
|
||||
error = foreach_chunk(cb_dumphdr, di);
|
||||
if (error < 0)
|
||||
goto fail;
|
||||
buf_flush(di);
|
||||
|
||||
/*
|
||||
* All headers are written using blocked I/O, so we know the
|
||||
* current offset is (still) block aligned. Skip the alignement
|
||||
* in the file to have the segment contents aligned at page
|
||||
* boundary. We cannot use MD_ALIGN on dumplo, because we don't
|
||||
* care and may very well be unaligned within the dump device.
|
||||
*/
|
||||
dumplo += hdrgap;
|
||||
|
||||
/* Dump memory chunks (updates dumplo) */
|
||||
error = foreach_chunk(cb_dumpdata, di);
|
||||
if (error < 0)
|
||||
goto fail;
|
||||
|
||||
/* Dump trailer */
|
||||
error = di->dumper(di->priv, &kdh, NULL, dumplo, sizeof(kdh));
|
||||
if (error)
|
||||
goto fail;
|
||||
|
||||
/* Signal completion, signoff and exit stage left. */
|
||||
di->dumper(di->priv, NULL, NULL, 0, 0);
|
||||
printf("\nDump complete\n");
|
||||
return;
|
||||
|
||||
fail:
|
||||
if (error < 0)
|
||||
error = -error;
|
||||
/* XXX It should look more like VMS :-) */
|
||||
printf("** DUMP FAILED (ERROR %d) **\n", error);
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user