a73b93157f
It encourages users from writing to the FSF without giving an address. Linux also prefers to drop that and their checkpatch.pl (that we imported) looks out for that. This is the result of util/scripts/no-fsf-addresses.sh with no further editing. Change-Id: Ie96faea295fe001911d77dbc51e9a6789558fbd6 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: http://review.coreboot.org/11888 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
87 lines
2.3 KiB
C
87 lines
2.3 KiB
C
/*
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* This file is part of msrtool.
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*
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* Copyright (c) 2008 Peter Stuge <peter@stuge.se>
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* Copyright (c) 2009 coresystems GmbH
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <pci/pci.h>
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#include "msrtool.h"
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static struct cpuid_t id;
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struct cpuid_t *cpuid(void) {
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uint32_t outeax;
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uint32_t outebx;
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/* First, we need determine which vendor we have */
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#if defined(__DARWIN__) && !defined(__LP64__)
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asm volatile (
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"pushl %%ebx \n"
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"cpuid \n"
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"popl %%ebx \n"
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: "=b" (outebx) : "a" (0) : "%ecx", "%edx"
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);
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#else
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asm ("cpuid" : "=b" (outebx) : "a" (0) : "%ecx", "%edx");
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#endif
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id.vendor = (outebx == 0x756e6547) ? VENDOR_INTEL : VENDOR_AMD;
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/* Then, identificate CPU itself */
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#if defined(__DARWIN__) && !defined(__LP64__)
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asm volatile (
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"pushl %%ebx \n"
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"cpuid \n"
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"popl %%ebx \n"
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: "=a" (outeax) : "a" (1) : "%ecx", "%edx"
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);
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#else
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asm ("cpuid" : "=a" (outeax) : "a" (1) : "%ebx", "%ecx", "%edx");
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#endif
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id.stepping = outeax & 0xf;
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outeax >>= 4;
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id.model = outeax & 0xf;
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outeax >>= 4;
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id.family = outeax & 0xf;
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outeax >>= 8;
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id.ext_model = outeax & 0xf;
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outeax >>= 4;
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id.ext_family = outeax & 0xff;
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if ((0xf == id.family) || ((VENDOR_INTEL == id.vendor)
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&& (0x6 == id.family))) {
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/* Intel says always do this, AMD says only for family f */
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id.model |= (id.ext_model << 4);
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id.family += id.ext_family;
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}
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printf_verbose("CPU: family %x, model %x, stepping %x\n",
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id.family, id.model, id.stepping);
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return &id;
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}
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struct pci_dev *pci_dev_find(uint16_t vendor, uint16_t device) {
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struct pci_dev *temp;
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struct pci_filter filter;
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pci_filter_init(NULL, &filter);
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filter.vendor = vendor;
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filter.device = device;
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for (temp = pacc->devices; temp; temp = temp->next)
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if (pci_filter_match(&filter, temp))
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return temp;
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return NULL;
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}
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