[Midnightbsd-cvs] src [7175] trunk/usr.sbin/cpucontrol: add via support to cpucontrol(8)

laffer1 at midnightbsd.org laffer1 at midnightbsd.org
Mon Jul 27 20:43:19 EDT 2015


Revision: 7175
          http://svnweb.midnightbsd.org/src/?rev=7175
Author:   laffer1
Date:     2015-07-27 20:43:18 -0400 (Mon, 27 Jul 2015)
Log Message:
-----------
add via support to cpucontrol(8)

Modified Paths:
--------------
    trunk/usr.sbin/cpucontrol/Makefile
    trunk/usr.sbin/cpucontrol/amd.c
    trunk/usr.sbin/cpucontrol/amd.h
    trunk/usr.sbin/cpucontrol/cpucontrol.8
    trunk/usr.sbin/cpucontrol/cpucontrol.c
    trunk/usr.sbin/cpucontrol/cpucontrol.h
    trunk/usr.sbin/cpucontrol/intel.c

Added Paths:
-----------
    trunk/usr.sbin/cpucontrol/via.c
    trunk/usr.sbin/cpucontrol/via.h

Property Changed:
----------------
    trunk/usr.sbin/cpucontrol/cpucontrol.8

Modified: trunk/usr.sbin/cpucontrol/Makefile
===================================================================
--- trunk/usr.sbin/cpucontrol/Makefile	2015-07-26 23:59:10 UTC (rev 7174)
+++ trunk/usr.sbin/cpucontrol/Makefile	2015-07-28 00:43:18 UTC (rev 7175)
@@ -2,8 +2,8 @@
 
 PROG=	cpucontrol
 MAN=	cpucontrol.8
-SRCS=	cpucontrol.c intel.c amd.c
+SRCS=	cpucontrol.c intel.c amd.c via.c
 
-WARNS?=	6
+NO_WCAST_ALIGN=
 
 .include <bsd.prog.mk>

Modified: trunk/usr.sbin/cpucontrol/amd.c
===================================================================
--- trunk/usr.sbin/cpucontrol/amd.c	2015-07-26 23:59:10 UTC (rev 7174)
+++ trunk/usr.sbin/cpucontrol/amd.c	2015-07-28 00:43:18 UTC (rev 7175)
@@ -92,9 +92,7 @@
 	assert(dev);
 
 	fd  = -1;
-	devfd = -1;
 	fw_image = MAP_FAILED;
-	error = 0;
 	devfd = open(dev, O_RDWR);
 	if (devfd < 0) {
 		WARN(0, "could not open %s for writing", dev);
@@ -162,7 +160,7 @@
 
 		args.data = fw_image;
 		args.size = st.st_size;
-		error = ioctl(fd, CPUCTL_UPDATE, &args);
+		error = ioctl(devfd, CPUCTL_UPDATE, &args);
 		if (error < 0) {
 			fprintf(stderr, "failed.\n");
 			warn("ioctl()");

Modified: trunk/usr.sbin/cpucontrol/amd.h
===================================================================
--- trunk/usr.sbin/cpucontrol/amd.h	2015-07-26 23:59:10 UTC (rev 7174)
+++ trunk/usr.sbin/cpucontrol/amd.h	2015-07-28 00:43:18 UTC (rev 7175)
@@ -1,3 +1,4 @@
+/* $MidnightBSD$ */
 /*-
  * Copyright (c) 2006, 2008 Stanislav Sedov <stas at FreeBSD.org>.
  * All rights reserved.
@@ -22,7 +23,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- * $MidnightBSD$
+ * $FreeBSD: release/9.2.0/usr.sbin/cpucontrol/amd.h 181430 2008-08-08 16:26:53Z stas $
  */
 
 #ifndef AMD_H

Modified: trunk/usr.sbin/cpucontrol/cpucontrol.8
===================================================================
--- trunk/usr.sbin/cpucontrol/cpucontrol.8	2015-07-26 23:59:10 UTC (rev 7174)
+++ trunk/usr.sbin/cpucontrol/cpucontrol.8	2015-07-28 00:43:18 UTC (rev 7175)
@@ -31,7 +31,7 @@
 .Nm cpucontrol
 .Nd control utility for the
 .Xr cpuctl 4
-device.
+device
 .Sh SYNOPSIS
 .Nm
 .Op Fl vh
@@ -164,10 +164,10 @@
 .Nm
 utility first appeared in
 .Fx 7.2 .
-.Sh BUGS
-Yes, probably, report if any.
 .Sh AUTHORS
 The
 .Nm
 utility and this manual page was written by
 .An Stanislav Sedov Aq stas at FreeBSD.org .
+.Sh BUGS
+Yes, probably, report if any.


Property changes on: trunk/usr.sbin/cpucontrol/cpucontrol.8
___________________________________________________________________
Added: svn:keywords
## -0,0 +1 ##
+MidnightBSD=%H
\ No newline at end of property
Modified: trunk/usr.sbin/cpucontrol/cpucontrol.c
===================================================================
--- trunk/usr.sbin/cpucontrol/cpucontrol.c	2015-07-26 23:59:10 UTC (rev 7174)
+++ trunk/usr.sbin/cpucontrol/cpucontrol.c	2015-07-28 00:43:18 UTC (rev 7175)
@@ -1,5 +1,5 @@
 /*-
- * Copyright (c) 2008 Stanislav Sedov <stas at FreeBSD.org>.
+ * Copyright (c) 2008-2011 Stanislav Sedov <stas at FreeBSD.org>.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -29,7 +29,7 @@
  */
 
 #include <sys/cdefs.h>
-__MBSDID("$MidnightBSD: src/usr.sbin/cpucontrol/cpucontrol.c,v 1.1 2012/03/01 04:45:09 laffer1 Exp $");
+__MBSDID("$MidnightBSD$");
 
 #include <assert.h>
 #include <stdio.h>
@@ -51,6 +51,7 @@
 #include "cpucontrol.h"
 #include "amd.h"
 #include "intel.h"
+#include "via.h"
 
 int	verbosity_level = 0;
 
@@ -83,7 +84,7 @@
 	const char		*path;
 	SLIST_ENTRY(datadir)	next;
 };
-static SLIST_HEAD(, datadir) datadirs = SLIST_HEAD_INITIALIZER(&datadirs);
+static SLIST_HEAD(, datadir) datadirs = SLIST_HEAD_INITIALIZER(datadirs);
 
 struct ucode_handler {
 	ucode_probe_t *probe;
@@ -91,6 +92,7 @@
 } handlers[] = {
 	{ intel_probe, intel_update },
 	{ amd_probe, amd_update },
+	{ via_probe, via_update },
 };
 #define NHANDLERS (sizeof(handlers) / sizeof(*handlers))
 
@@ -177,6 +179,7 @@
 	unsigned long command;
 	int do_invert = 0, op;
 	int fd, error;
+	const char *command_name;
 	char *endptr;
 	char *p;
 
@@ -245,15 +248,19 @@
 	switch (op) {
 	case OP_READ:
 		command = CPUCTL_RDMSR;
+		command_name = "RDMSR";
 		break;
 	case OP_WRITE:
 		command = CPUCTL_WRMSR;
+		command_name = "WRMSR";
 		break;
 	case OP_OR:
 		command = CPUCTL_MSRSBIT;
+		command_name = "MSRSBIT";
 		break;
 	case OP_AND:
 		command = CPUCTL_MSRCBIT;
+		command_name = "MSRCBIT";
 		break;
 	default:
 		abort();
@@ -266,7 +273,7 @@
 	}
 	error = ioctl(fd, command, &args);
 	if (error < 0) {
-		WARN(0, "ioctl(%s, %lu)", dev, command);
+		WARN(0, "ioctl(%s, CPUCTL_%s (%lu))", dev, command_name, command);
 		close(fd);
 		return (1);
 	}

Modified: trunk/usr.sbin/cpucontrol/cpucontrol.h
===================================================================
--- trunk/usr.sbin/cpucontrol/cpucontrol.h	2015-07-26 23:59:10 UTC (rev 7174)
+++ trunk/usr.sbin/cpucontrol/cpucontrol.h	2015-07-28 00:43:18 UTC (rev 7175)
@@ -1,3 +1,4 @@
+/* $MidnightBSD$ */
 /*-
  * Copyright (c) 2008 Stanislav Sedov <stas at FreeBSD.org>.
  * All rights reserved.
@@ -22,7 +23,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- * $MidnightBSD$
+ * $FreeBSD: release/9.2.0/usr.sbin/cpucontrol/cpucontrol.h 181430 2008-08-08 16:26:53Z stas $
  */
 
 #ifndef CPUCONTROL_H

Modified: trunk/usr.sbin/cpucontrol/intel.c
===================================================================
--- trunk/usr.sbin/cpucontrol/intel.c	2015-07-26 23:59:10 UTC (rev 7174)
+++ trunk/usr.sbin/cpucontrol/intel.c	2015-07-28 00:43:18 UTC (rev 7175)
@@ -33,6 +33,7 @@
 #include <unistd.h>
 #include <fcntl.h>
 #include <err.h>
+#include <errno.h>
 
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -104,7 +105,6 @@
 	assert(dev);
 
 	fd = -1;
-	devfd = -1;
 	fw_image = MAP_FAILED;
 	ext_table = NULL;
 	ext_header = NULL;
@@ -267,7 +267,9 @@
 	args.size = data_size;
 	error = ioctl(devfd, CPUCTL_UPDATE, &args);
 	if (error < 0) {
+               error = errno;
 		fprintf(stderr, "failed.\n");
+               errno = error;
 		WARN(0, "ioctl()");
 		goto fail;
 	}

Added: trunk/usr.sbin/cpucontrol/via.c
===================================================================
--- trunk/usr.sbin/cpucontrol/via.c	                        (rev 0)
+++ trunk/usr.sbin/cpucontrol/via.c	2015-07-28 00:43:18 UTC (rev 7175)
@@ -0,0 +1,225 @@
+/*-
+ * Copyright (c) 2011 Fabien Thomas <fabient at FreeBSD.org>.
+ * 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 ``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
+ * 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>
+__MBSDID("$MidnightBSD$");
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <err.h>
+#include <errno.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <sys/ioctl.h>
+#include <sys/ioccom.h>
+#include <sys/cpuctl.h>
+
+#include <machine/cpufunc.h>
+#include <machine/specialreg.h>
+
+#include "cpucontrol.h"
+#include "via.h"
+
+int
+via_probe(int fd)
+{
+	char vendor[13];
+	int error;
+	cpuctl_cpuid_args_t idargs = {
+		.level  = 0,
+	};
+
+	error = ioctl(fd, CPUCTL_CPUID, &idargs);
+	if (error < 0) {
+		WARN(0, "ioctl()");
+		return (1);
+	}
+	((uint32_t *)vendor)[0] = idargs.data[1];
+	((uint32_t *)vendor)[1] = idargs.data[3];
+	((uint32_t *)vendor)[2] = idargs.data[2];
+	vendor[12] = '\0';
+	if (strncmp(vendor, CENTAUR_VENDOR_ID, sizeof(CENTAUR_VENDOR_ID)) != 0)
+		return (1);
+
+	/* TODO: detect Nano CPU. */
+	return (0);
+}
+
+void
+via_update(const char *dev, const char *path)
+{
+	int fd, devfd;
+	struct stat st;
+	uint32_t *fw_image;
+	uint32_t sum;
+	unsigned int i;
+	size_t payload_size;
+	via_fw_header_t *fw_header;
+	uint32_t signature, flags;
+	int32_t revision;
+	void *fw_data;
+	size_t data_size, total_size;
+	cpuctl_msr_args_t msrargs = {
+		.msr = MSR_IA32_PLATFORM_ID,
+	};
+	cpuctl_cpuid_args_t idargs = {
+		.level  = 1,	/* Signature. */
+	};
+	cpuctl_update_args_t args;
+	int error;
+
+	assert(path);
+	assert(dev);
+
+	fd = -1;
+	devfd = -1;
+	fw_image = MAP_FAILED;
+	devfd = open(dev, O_RDWR);
+	if (devfd < 0) {
+		WARN(0, "could not open %s for writing", dev);
+		return;
+	}
+	error = ioctl(devfd, CPUCTL_CPUID, &idargs);
+	if (error < 0) {
+		WARN(0, "ioctl(%s)", dev);
+		goto fail;
+	}
+	signature = idargs.data[0];
+	error = ioctl(devfd, CPUCTL_RDMSR, &msrargs);
+	if (error < 0) {
+		WARN(0, "ioctl(%s)", dev);
+		goto fail;
+	}
+
+	/*
+	 * MSR_IA32_PLATFORM_ID contains flag in BCD in bits 52-50.
+	 */
+	flags = 1 << ((msrargs.data >> 50) & 7);
+	msrargs.msr = MSR_BIOS_SIGN;
+	error = ioctl(devfd, CPUCTL_RDMSR, &msrargs);
+	if (error < 0) {
+		WARN(0, "ioctl(%s)", dev);
+		goto fail;
+	}
+	revision = msrargs.data >> 32; /* Revision in the high dword. */
+	WARNX(2, "found cpu type %#x family %#x model %#x stepping %#x.",
+	    (signature >> 12) & 0x03, (signature >> 8) & 0x0f,
+	    (signature >> 4) & 0x0f, (signature >> 0) & 0x0f);
+	/*
+	 * Open firmware image.
+	 */
+	fd = open(path, O_RDONLY, 0);
+	if (fd < 0) {
+		WARN(0, "open(%s)", path);
+		return;
+	}
+	error = fstat(fd, &st);
+	if (error != 0) {
+		WARN(0, "fstat(%s)", path);
+		goto fail;
+	}
+	if (st.st_size < 0 || (unsigned)st.st_size < sizeof(*fw_header)) {
+		WARNX(2, "file too short: %s", path);
+		goto fail;
+	}
+
+	/*
+	 * mmap the whole image.
+	 */
+	fw_image = (uint32_t *)mmap(NULL, st.st_size, PROT_READ,
+	    MAP_PRIVATE, fd, 0);
+	if  (fw_image == MAP_FAILED) {
+		WARN(0, "mmap(%s)", path);
+		goto fail;
+	}
+	fw_header = (via_fw_header_t *)fw_image;
+	if (fw_header->signature != VIA_HEADER_SIGNATURE ||
+	    fw_header->loader_revision != VIA_LOADER_REVISION) {
+		WARNX(2, "%s is not a valid via firmware: version mismatch",
+		    path);
+		goto fail;
+	}
+	data_size = fw_header->data_size;
+	total_size = fw_header->total_size;
+	if (total_size > (unsigned)st.st_size || st.st_size < 0) {
+		WARNX(2, "file too short: %s", path);
+		goto fail;
+	}
+	payload_size = data_size + sizeof(*fw_header);
+
+	/*
+	 * Check the primary checksum.
+	 */
+	sum = 0;
+	for (i = 0; i < (payload_size / sizeof(uint32_t)); i++)
+		sum += *((uint32_t *)fw_image + i);
+	if (sum != 0) {
+		WARNX(2, "%s: update data checksum invalid", path);
+		goto fail;
+	}
+
+	fw_data = fw_header + 1; /* Pointer to the update data. */
+
+	/*
+	 * Check if the given image is ok for this cpu.
+	 */
+	if (signature != fw_header->cpu_signature)
+		goto fail;
+
+	if (fw_header->revision != 0 && revision >= fw_header->revision) {
+		WARNX(1, "skipping %s of rev %#x: up to date",
+		    path, fw_header->revision);
+		goto fail;
+	}
+	fprintf(stderr, "%s: updating cpu %s from rev %#x to rev %#x... ",
+			path, dev, revision, fw_header->revision);
+	args.data = fw_data;
+	args.size = data_size;
+	error = ioctl(devfd, CPUCTL_UPDATE, &args);
+	if (error < 0) {
+               error = errno;
+		fprintf(stderr, "failed.\n");
+               errno = error;
+		WARN(0, "ioctl()");
+		goto fail;
+	}
+	fprintf(stderr, "done.\n");
+
+fail:
+	if (fw_image != MAP_FAILED)
+		if (munmap(fw_image, st.st_size) != 0)
+			warn("munmap(%s)", path);
+	if (devfd >= 0)
+		close(devfd);
+	if (fd >= 0)
+		close(fd);
+	return;
+}


Property changes on: trunk/usr.sbin/cpucontrol/via.c
___________________________________________________________________
Added: svn:eol-style
## -0,0 +1 ##
+native
\ No newline at end of property
Added: svn:keywords
## -0,0 +1 ##
+MidnightBSD=%H
\ No newline at end of property
Added: svn:mime-type
## -0,0 +1 ##
+text/plain
\ No newline at end of property
Added: trunk/usr.sbin/cpucontrol/via.h
===================================================================
--- trunk/usr.sbin/cpucontrol/via.h	                        (rev 0)
+++ trunk/usr.sbin/cpucontrol/via.h	2015-07-28 00:43:18 UTC (rev 7175)
@@ -0,0 +1,64 @@
+/* $MidnightBSD$ */
+/*-
+ * Copyright (c) 2011 Fabien Thomas <fabient at FreeBSD.org>.
+ * 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 ``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
+ * 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.
+ *
+ * $FreeBSD: release/9.2.0/usr.sbin/cpucontrol/via.h 229471 2012-01-04 08:14:05Z fabient $
+ */
+
+#ifndef VIA_H
+#define	VIA_H
+
+/*
+ * Prototypes.
+ */
+ucode_probe_t	via_probe;
+ucode_update_t	via_update;
+
+typedef struct via_fw_header {
+	uint32_t	signature;		/* Signature. */
+	int32_t		revision;		/* Unique version number. */
+	uint32_t	date;			/* Date of creation in BCD. */
+	uint32_t	cpu_signature;		/* Extended family, extended
+						   model, type, family, model
+						   and stepping. */
+	uint32_t	checksum;		/* Sum of all DWORDS should
+						   be 0. */
+	uint32_t	loader_revision;	/* Version of the loader
+						   required to load update. */
+	uint32_t	reserverd1;		/* Platform IDs encoded in
+						   the lower 8 bits. */
+	uint32_t	data_size;
+	uint32_t	total_size;
+	uint8_t		reserved2[12];
+} via_fw_header_t;
+
+typedef struct via_cpu_signature {
+	uint32_t	cpu_signature;
+	uint32_t	checksum;
+} via_cpu_signature_t;
+
+#define VIA_HEADER_SIGNATURE	0x53415252
+#define VIA_LOADER_REVISION	0x00000001
+
+#endif /* !VIA_H */


Property changes on: trunk/usr.sbin/cpucontrol/via.h
___________________________________________________________________
Added: svn:eol-style
## -0,0 +1 ##
+native
\ No newline at end of property
Added: svn:keywords
## -0,0 +1 ##
+MidnightBSD=%H
\ No newline at end of property
Added: svn:mime-type
## -0,0 +1 ##
+text/plain
\ No newline at end of property


More information about the Midnightbsd-cvs mailing list