Add arm support for cpuctl identify
This commit is contained in:
matt
parent
405ebbdc66
commit
9ac4c42034
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@ -1,4 +1,4 @@
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# $NetBSD: Makefile,v 1.5 2009/04/23 01:37:55 lukem Exp $
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# $NetBSD: Makefile,v 1.6 2013/01/31 23:40:48 matt Exp $
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.PATH: ${.CURDIR}/arch
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@ -8,12 +8,14 @@ SRCS= cpuctl.c
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.if exists(${.CURDIR}/arch/${MACHINE_ARCH}.c)
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SRCS+= ${MACHINE_ARCH}.c
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.if exists(${.CURDIR}/arch/${MACHINE_ARCH}-asm.S)
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SRCS+= ${MACHINE_ARCH}-asm.S
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.endif
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.elif exists(${.CURDIR}/arch/${MACHINE_CPU}.c)
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SRCS+= ${MACHINE_CPU}.c
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.else
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SRCS+= noarch.c
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.endif
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.if exists(${.CURDIR}/arch/${MACHINE_ARCH}-asm.S)
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SRCS+= ${MACHINE_ARCH}-asm.S
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.endif
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LDADD+=-lutil
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DPADD+=${LIBUTIL}
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@ -0,0 +1,269 @@
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/* $NetBSD: arm.c,v 1.1 2013/01/31 23:40:48 matt Exp $ */
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/*-
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* Copyright (c) 2013 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Matt Thomas of 3am Software Foundry.
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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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: arm.c,v 1.1 2013/01/31 23:40:48 matt Exp $");
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/cpuio.h>
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#include <sys/sysctl.h>
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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#include <err.h>
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#include "../cpuctl.h"
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static const char * const id_isar_fieldnames[][8] = {
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{
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"Swap", "Bitcount", "Bitfield", "CmpBranch",
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"Coproc", "Debug", "Divde", NULL
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}, {
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"Endian", "Except", "Except_AR", "Extend",
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"IfThen", "Immediate", "Interwork", "Jazelle"
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}, {
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"LoadStore", "MemHint", "MultAccessInt", "Mult",
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"MultS", "MultU", "PSR_AR", "Reversal"
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}, {
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"Saturate", "SIMD", "SVC", "SynchPrim",
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"TabBranch", "ThumbCopy", "TrueNOP", "ThumbEE_Extn"
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}, {
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"Unpriv", "WithShifts", "Writeback", "SMC",
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"Barrier", "SynchPrim_frac", "PSR_M", "SWP"
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}
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};
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static const uint8_t id_isar_boolean[] = {
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0x2f, 0xb7, 0x41, 0xf5, 0xfc
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};
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static const char * const id_mmfr_fieldnames[][8] = {
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{
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"VMSA-Support",
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"PMSA-Support",
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"Outermost-Shareablity",
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"Shareability-Levels",
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"TCM-Support",
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"Auxilary-Registers",
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"FCSE-Support",
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"Innermost-Shareability"
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}, {
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"L1-Harvard-Cache-VA",
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"L1-Unified-Cache-VA",
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"L1-Harvard-Cache-Set/Way",
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"L1-Unified-Cache-Set/Way",
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"L1-Harvard-Cache",
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"L1-Unified-Cache",
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"L1-Cache-Test-and-Clean",
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"Branch-Predictor",
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}, {
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"L1-Harvard-Foreground-Fetch",
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"L1-Unified-Background-Fetch",
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"L1-Harvard-Range",
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"Harvard-TLB",
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"Unified-TLB",
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"Mem-Barrier",
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"WFI-Stall",
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"HW-Access",
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}, {
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"Cache-Maintenance-MVA",
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"Cache-Maintenance-Set/Way",
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"BP-Maintenance",
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"Maintenance-Broadcast",
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NULL,
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"Coherent-Tablewalk",
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"Cached-Memory-Size",
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"Supersection-Support",
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},
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};
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static const uint8_t id_mmfr_present[] = {
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0x8c, 0x00, 0x00, 0x68
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};
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static const char * const id_pfr_fieldnames[][8] = {
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{
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"ThumbEE",
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"Jazelle",
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"Thumb",
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"ARM",
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}, {
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"Programmer",
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"Security",
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"M-profile",
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"Virtualization",
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"Generic-Timer",
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},
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};
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static const char * const id_mvfr_fieldnames[][8] = {
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{
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"ASIMD-Registers",
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"Single-Precision",
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"Double-Precision",
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"VFP-Exception-Trapping",
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"Divide",
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"Square-Root",
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"Short-Vectors",
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"VFP-Rounding-Modes",
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}, {
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"Flush-To-Zero",
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"Default-NaN",
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"ASIMD-Load/Store",
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"ASIMD-Integer",
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"ASIMD-SPFP",
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"ASIMD-HPFP",
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"VFP-HPFP",
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"ASIMD-FMAC",
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},
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};
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static const uint8_t id_mvfr_present[] = {
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0x80, 0x03,
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};
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static void
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print_features(const char *cpuname, const char *setname,
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const int *id_data, size_t id_len, const char * const id_fieldnames[][8],
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size_t id_nfieldnames, const uint8_t *id_boolean, const uint8_t *id_present)
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{
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char buf[81];
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size_t len = 0;
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const char *sep = "";
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for (size_t i = 0; i < id_len / sizeof(id_data[0]); i++) {
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int isar = id_data[i];
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for (u_int j = 0; isar != 0 && j < 8; j++, isar >>= 4) {
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const char *name = NULL;
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const char *value = "";
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char namebuf[12], valuebuf[12], tmpbuf[30];
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if ((isar & 0x0f) == 0
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&& (id_present == NULL
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|| (id_present[i] & (1 << j))) == 0) {
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continue;
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}
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if (len == 0) {
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len = snprintf(buf, sizeof(buf),
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"%s: %s: ", cpuname, setname);
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}
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if (i < id_nfieldnames) {
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name = id_fieldnames[i][j];
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}
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if (name == NULL) {
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name = namebuf;
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snprintf(namebuf, sizeof(namebuf),
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"%zu[%u]", i, j);
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}
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if (id_boolean == NULL
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|| (id_boolean[i] & (1 << j)) == 0
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|| (isar & 0xe) != 0) {
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value = valuebuf;
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snprintf(valuebuf, sizeof(valuebuf),
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"=%u", isar & 0x0f);
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}
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size_t tmplen = snprintf(tmpbuf, sizeof(tmpbuf),
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"%s%s%s", sep, name, value);
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if (len + tmplen > 78) {
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printf("%s\n", buf);
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len = snprintf(buf, sizeof(buf),
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"%s: %s: %s", cpuname, setname, tmpbuf + 2);
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} else {
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len = strlcat(buf, tmpbuf, sizeof(buf));
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}
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sep = ", ";
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}
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}
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if (len > 0) {
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printf("%s\n", buf);
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}
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}
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void
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identifycpu(int fd, const char *cpuname)
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{
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int *id_data;
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size_t id_isar_len = 0;
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size_t id_mmfr_len = 0;
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size_t id_pfr_len = 0;
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size_t id_mvfr_len = 0;
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if (sysctlbyname("machdep.id_isar", NULL, &id_isar_len, NULL, 0) < 0
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|| sysctlbyname("machdep.id_mmfr", NULL, &id_mmfr_len, NULL, 0) < 0
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|| sysctlbyname("machdep.id_pfr", NULL, &id_pfr_len, NULL, 0) < 0
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|| sysctlbyname("machdep.id_mvfr", NULL, &id_mvfr_len, NULL, 0) < 0) {
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warn("sysctlbyname");
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return;
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}
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id_data = malloc(id_isar_len);
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sysctlbyname("machdep.id_isar", id_data, &id_isar_len, NULL, 0);
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print_features(cpuname, "isa features", id_data, id_isar_len,
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id_isar_fieldnames, __arraycount(id_isar_fieldnames),
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id_isar_boolean, NULL);
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free(id_data);
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id_data = malloc(id_mmfr_len);
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sysctlbyname("machdep.id_mmfr", id_data, &id_mmfr_len, NULL, 0);
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print_features(cpuname, "memory model", id_data, id_mmfr_len,
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id_mmfr_fieldnames, __arraycount(id_mmfr_fieldnames),
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NULL /*id_mmfr_boolean*/, id_mmfr_present);
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free(id_data);
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id_data = malloc(id_pfr_len);
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sysctlbyname("machdep.id_pfr", id_data, &id_pfr_len, NULL, 0);
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print_features(cpuname, "processor features", id_data, id_pfr_len,
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id_pfr_fieldnames, __arraycount(id_pfr_fieldnames),
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NULL /*id_pfr_boolean*/, NULL /*id_pfr_present*/);
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free(id_data);
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id_data = malloc(id_mvfr_len);
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sysctlbyname("machdep.id_mvfr", id_data, &id_mvfr_len, NULL, 0);
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print_features(cpuname, "media and VFP features", id_data, id_mvfr_len,
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id_mvfr_fieldnames, __arraycount(id_mvfr_fieldnames),
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NULL /*id_mvfr_boolean*/, id_mvfr_present);
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free(id_data);
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}
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int
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ucodeupdate_check(int fd, struct cpu_ucode *uc)
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{
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return 0;
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}
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