276 lines
6.7 KiB
C
276 lines
6.7 KiB
C
/*
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* This file is part of the coreinfo project.
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*
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* It is derived from the x86info project, which is GPLv2-licensed.
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*
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* Copyright (C) 2001-2007 Dave Jones <davej@codemonkey.org.uk>
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* Copyright (C) 2008 Advanced Micro Devices, Inc.
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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 as published by
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* the Free Software Foundation; version 2 of the License.
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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 "coreinfo.h"
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#if CONFIG(MODULE_CPUINFO)
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#include <arch/rdtsc.h>
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#define VENDOR_INTEL 0x756e6547
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#define VENDOR_AMD 0x68747541
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#define VENDOR_CYRIX 0x69727943
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#define VENDOR_IDT 0x746e6543
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#define VENDOR_GEODE 0x646f6547
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#define VENDOR_RISE 0x52697365
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#define VENDOR_RISE2 0x65736952
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#define VENDOR_SIS 0x20536953
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/* CPUID 0x00000001 EDX flags */
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static const char *generic_cap_flags[] = {
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"fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce",
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"cx8", "apic", NULL, "sep", "mtrr", "pge", "mca", "cmov",
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"pat", "pse36", "psn", "clflsh", NULL, "ds", "acpi", "mmx",
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"fxsr", "sse", "sse2", "ss", "ht", "tm", NULL, "pbe"
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};
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/* CPUID 0x00000001 ECX flags */
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static const char *intel_cap_generic_ecx_flags[] = {
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"sse3", NULL, NULL, "monitor", "ds-cpl", "vmx", NULL, "est",
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"tm2", "ssse3", "cntx-id", NULL, NULL, "cx16", "xTPR", NULL,
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NULL, NULL, "dca", NULL, NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
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};
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/* CPUID 0x80000001 EDX flags */
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static const char *intel_cap_extended_edx_flags[] = {
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, "SYSCALL", NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL, "xd", NULL, NULL, NULL,
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NULL, NULL, NULL, NULL, NULL, "em64t", NULL, NULL,
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};
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/* CPUID 0x80000001 ECX flags */
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static const char *intel_cap_extended_ecx_flags[] = {
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"lahf_lm", NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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};
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static const char *amd_cap_generic_ecx_flags[] = {
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"sse3", NULL, NULL, "mwait", NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL, NULL, "cmpxchg16b", NULL, NULL,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, "popcnt",
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
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};
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static const char *amd_cap_extended_edx_flags[] = {
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"fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce",
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"cx8", "apic", NULL, "sep", "mtrr", "pge", "mca", "cmov",
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"pat", "pse36", NULL, "mp", "nx", NULL, "mmxext", "mmx",
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"fxsr", "ffxsr", "page1gb", "rdtscp",
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NULL, "lm", "3dnowext", "3dnow"
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}; /* "mp" defined for CPUs prior to AMD family 0xf */
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static const char *amd_cap_extended_ecx_flags[] = {
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"lahf/sahf", "CmpLegacy", "svm", "ExtApicSpace",
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"LockMovCr0", "abm", "sse4a", "misalignsse",
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"3dnowPref", "osvw", "ibs", NULL, "skinit", "wdt", NULL, NULL,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
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};
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static unsigned long vendor;
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static unsigned int cpu_khz;
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static void decode_flags(WINDOW *win, unsigned long reg, const char **flags,
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int *row)
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{
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int i;
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int lrow = *row;
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wmove(win, lrow, 2);
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for (i = 0; i < 32; i++) {
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if (flags[i] == NULL)
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continue;
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if (reg & (1 << i))
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wprintw(win, "%s ", flags[i]);
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if (i && (i % 16) == 0) {
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lrow++;
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wmove(win, lrow, 2);
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}
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}
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*row = lrow;
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}
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static void get_features(WINDOW *win, int *row)
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{
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unsigned long eax, ebx, ecx, edx;
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int lrow = *row;
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wmove(win, lrow++, 1);
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wprintw(win, "Features: ");
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docpuid(0x00000001, &eax, &ebx, &ecx, &edx);
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decode_flags(win, edx, generic_cap_flags, &lrow);
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lrow++;
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switch (vendor) {
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case VENDOR_AMD:
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wmove(win, lrow++, 1);
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wprintw(win, "AMD Extended Flags: ");
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decode_flags(win, ecx, amd_cap_generic_ecx_flags, &lrow);
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docpuid(0x80000001, &eax, &ebx, &ecx, &edx);
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decode_flags(win, edx, amd_cap_extended_edx_flags, &lrow);
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decode_flags(win, ecx, amd_cap_extended_ecx_flags, &lrow);
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break;
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case VENDOR_INTEL:
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wmove(win, lrow++, 1);
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wprintw(win, "Intel Extended Flags: ");
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decode_flags(win, ecx, intel_cap_generic_ecx_flags, &lrow);
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docpuid(0x80000001, &eax, &ebx, &ecx, &edx);
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decode_flags(win, edx, intel_cap_extended_edx_flags, &lrow);
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decode_flags(win, ecx, intel_cap_extended_ecx_flags, &lrow);
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break;
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}
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*row = lrow;
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}
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static void do_name(WINDOW *win, int row)
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{
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char name[49], *p;
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unsigned long eax, ebx, ecx, edx;
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int i, t;
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p = name;
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for (i = 0x80000002; i <= 0x80000004; i++) {
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docpuid(i, &eax, &ebx, &ecx, &edx);
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if (eax == 0)
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break;
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for (t = 0; t < 4; t++)
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*p++ = eax >> (8 * t);
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for (t = 0; t < 4; t++)
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*p++ = ebx >> (8 * t);
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for (t = 0; t < 4; t++)
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*p++ = ecx >> (8 * t);
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for (t = 0; t < 4; t++)
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*p++ = edx >> (8 * t);
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}
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mvwprintw(win, row, 1, "Processor: %s", name);
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}
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static int cpuinfo_module_redraw(WINDOW *win)
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{
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unsigned long eax, ebx, ecx, edx;
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unsigned int brand;
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char *vstr;
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int row = 2;
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print_module_title(win, "CPU Information");
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docpuid(0, NULL, &vendor, NULL, NULL);
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switch (vendor) {
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case VENDOR_INTEL:
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vstr = "Intel";
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break;
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case VENDOR_AMD:
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vstr = "AMD";
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break;
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case VENDOR_CYRIX:
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vstr = "Cyrix";
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break;
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case VENDOR_IDT:
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vstr = "IDT";
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break;
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case VENDOR_GEODE:
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vstr = "NatSemi Geode";
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break;
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case VENDOR_RISE:
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case VENDOR_RISE2:
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vstr = "RISE";
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break;
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case VENDOR_SIS:
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vstr = "SiS";
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break;
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default:
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vstr = "Unknown";
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break;
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}
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mvwprintw(win, row++, 1, "Vendor: %s", vstr);
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do_name(win, row++);
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docpuid(0x00000001, &eax, &ebx, &ecx, &edx);
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mvwprintw(win, row++, 1, "Family: %X", (eax >> 8) & 0x0f);
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mvwprintw(win, row++, 1, "Model: %X",
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((eax >> 4) & 0xf) | ((eax >> 16) & 0xf) << 4);
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mvwprintw(win, row++, 1, "Stepping: %X", eax & 0xf);
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if (vendor == VENDOR_AMD) {
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docpuid(0x80000001, &eax, &ebx, &ecx, &edx);
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brand = ((ebx >> 9) & 0x1f);
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mvwprintw(win, row++, 1, "Brand: %X", brand);
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}
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if (cpu_khz != 0)
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mvwprintw(win, row++, 1, "CPU Speed: %d Mhz", cpu_khz / 1000);
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else
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mvwprintw(win, row++, 1, "CPU Speed: Error");
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row++;
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get_features(win, &row);
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return 0;
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}
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static unsigned int getticks(void)
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{
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unsigned long long start, end;
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/* Read the number of ticks during the period. */
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start = rdtsc();
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mdelay(100);
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end = rdtsc();
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return (unsigned int)((end - start) / 100);
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}
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static int cpuinfo_module_init(void)
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{
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cpu_khz = getticks();
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return 0;
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}
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struct coreinfo_module cpuinfo_module = {
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.name = "CPU Info",
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.init = cpuinfo_module_init,
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.redraw = cpuinfo_module_redraw,
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};
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#else
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struct coreinfo_module cpuinfo_module = {
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};
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#endif
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