fbf57596bb
Not everything non-intel is AMD. Change-Id: I06d6fbaa0b4f2c9e61d9b3b4aeeb349a91aa090e Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Reviewed-on: https://review.coreboot.org/18255 Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
88 lines
2.1 KiB
C
88 lines
2.1 KiB
C
/*
|
|
* This file is part of msrtool.
|
|
*
|
|
* Copyright (c) 2008 Peter Stuge <peter@stuge.se>
|
|
* Copyright (c) 2009 coresystems GmbH
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
|
|
#include <pci/pci.h>
|
|
|
|
#include "msrtool.h"
|
|
|
|
static struct cpuid_t id;
|
|
|
|
struct cpuid_t *cpuid(void) {
|
|
uint32_t outeax;
|
|
uint32_t outebx;
|
|
|
|
/* First, we need determine which vendor we have */
|
|
#if defined(__DARWIN__) && !defined(__LP64__)
|
|
asm volatile (
|
|
"pushl %%ebx \n"
|
|
"cpuid \n"
|
|
"popl %%ebx \n"
|
|
: "=b" (outebx) : "a" (0) : "%ecx", "%edx"
|
|
);
|
|
#else
|
|
asm ("cpuid" : "=b" (outebx) : "a" (0) : "%ecx", "%edx");
|
|
#endif
|
|
|
|
id.vendor = outebx;
|
|
|
|
/* Then, identificate CPU itself */
|
|
#if defined(__DARWIN__) && !defined(__LP64__)
|
|
asm volatile (
|
|
"pushl %%ebx \n"
|
|
"cpuid \n"
|
|
"popl %%ebx \n"
|
|
: "=a" (outeax) : "a" (1) : "%ecx", "%edx"
|
|
);
|
|
#else
|
|
asm ("cpuid" : "=a" (outeax) : "a" (1) : "%ebx", "%ecx", "%edx");
|
|
#endif
|
|
|
|
id.stepping = outeax & 0xf;
|
|
outeax >>= 4;
|
|
id.model = outeax & 0xf;
|
|
outeax >>= 4;
|
|
id.family = outeax & 0xf;
|
|
outeax >>= 8;
|
|
id.ext_model = outeax & 0xf;
|
|
outeax >>= 4;
|
|
id.ext_family = outeax & 0xff;
|
|
if ((0xf == id.family) || ((VENDOR_INTEL == id.vendor)
|
|
&& (0x6 == id.family))) {
|
|
/* Intel says always do this, AMD says only for family f */
|
|
id.model |= (id.ext_model << 4);
|
|
id.family += id.ext_family;
|
|
}
|
|
printf_verbose("CPU: family %x, model %x, stepping %x\n",
|
|
id.family, id.model, id.stepping);
|
|
|
|
return &id;
|
|
}
|
|
|
|
struct pci_dev *pci_dev_find(uint16_t vendor, uint16_t device) {
|
|
struct pci_dev *temp;
|
|
struct pci_filter filter;
|
|
|
|
pci_filter_init(NULL, &filter);
|
|
filter.vendor = vendor;
|
|
filter.device = device;
|
|
|
|
for (temp = pacc->devices; temp; temp = temp->next)
|
|
if (pci_filter_match(&filter, temp))
|
|
return temp;
|
|
|
|
return NULL;
|
|
}
|