94 lines
2.8 KiB
C
94 lines
2.8 KiB
C
/* $NetBSD: tprof_x86.c,v 1.1 2018/07/24 09:47:35 maxv Exp $ */
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/*
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* Copyright (c) 2018 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 Maxime Villard.
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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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__KERNEL_RCSID(0, "$NetBSD: tprof_x86.c,v 1.1 2018/07/24 09:47:35 maxv Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/cpu.h>
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#include <dev/tprof/tprof.h>
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#include <machine/cpufunc.h>
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#include <machine/cputypes.h> /* CPUVENDOR_* */
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#include <machine/cpuvar.h> /* cpu_vendor */
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MODULE(MODULE_CLASS_DRIVER, tprof_x86, "tprof");
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extern const tprof_backend_ops_t tprof_amd_ops;
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extern const tprof_backend_ops_t tprof_intel_ops;
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static int
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tprof_x86_init(void)
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{
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switch (cpu_vendor) {
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case CPUVENDOR_AMD:
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return tprof_backend_register("tprof_amd", &tprof_amd_ops,
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TPROF_BACKEND_VERSION);
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case CPUVENDOR_INTEL:
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return tprof_backend_register("tprof_intel", &tprof_intel_ops,
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TPROF_BACKEND_VERSION);
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default:
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return ENOTSUP;
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}
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}
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static int
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tprof_x86_fini(void)
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{
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switch (cpu_vendor) {
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case CPUVENDOR_AMD:
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return tprof_backend_unregister("tprof_amd");
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case CPUVENDOR_INTEL:
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return tprof_backend_unregister("tprof_intel");
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default:
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return ENOTSUP;
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}
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}
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static int
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tprof_x86_modcmd(modcmd_t cmd, void *arg)
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{
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switch (cmd) {
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case MODULE_CMD_INIT:
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return tprof_x86_init();
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case MODULE_CMD_FINI:
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return tprof_x86_fini();
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default:
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return ENOTTY;
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}
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}
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