de431a655a
4MB pages can use 40-bit addresses by putting the higher 8 bits in bits 20-13 of the PDE. Bit 21 is reserved. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2859 lines
94 KiB
C
2859 lines
94 KiB
C
/*
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* i386 CPUID helper functions
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <inttypes.h>
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#include "cpu.h"
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#include "sysemu/kvm.h"
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#include "sysemu/cpus.h"
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#include "kvm_i386.h"
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#include "topology.h"
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#include "qemu/option.h"
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#include "qemu/config-file.h"
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#include "qapi/qmp/qerror.h"
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#include "qapi-types.h"
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#include "qapi-visit.h"
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#include "qapi/visitor.h"
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#include "sysemu/arch_init.h"
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#include "hw/hw.h"
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#if defined(CONFIG_KVM)
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#include <linux/kvm_para.h>
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#endif
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#include "sysemu/sysemu.h"
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#include "hw/qdev-properties.h"
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#include "hw/cpu/icc_bus.h"
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#ifndef CONFIG_USER_ONLY
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#include "hw/xen/xen.h"
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#include "hw/i386/apic_internal.h"
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#endif
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/* Cache topology CPUID constants: */
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/* CPUID Leaf 2 Descriptors */
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#define CPUID_2_L1D_32KB_8WAY_64B 0x2c
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#define CPUID_2_L1I_32KB_8WAY_64B 0x30
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#define CPUID_2_L2_2MB_8WAY_64B 0x7d
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/* CPUID Leaf 4 constants: */
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/* EAX: */
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#define CPUID_4_TYPE_DCACHE 1
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#define CPUID_4_TYPE_ICACHE 2
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#define CPUID_4_TYPE_UNIFIED 3
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#define CPUID_4_LEVEL(l) ((l) << 5)
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#define CPUID_4_SELF_INIT_LEVEL (1 << 8)
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#define CPUID_4_FULLY_ASSOC (1 << 9)
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/* EDX: */
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#define CPUID_4_NO_INVD_SHARING (1 << 0)
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#define CPUID_4_INCLUSIVE (1 << 1)
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#define CPUID_4_COMPLEX_IDX (1 << 2)
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#define ASSOC_FULL 0xFF
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/* AMD associativity encoding used on CPUID Leaf 0x80000006: */
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#define AMD_ENC_ASSOC(a) (a <= 1 ? a : \
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a == 2 ? 0x2 : \
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a == 4 ? 0x4 : \
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a == 8 ? 0x6 : \
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a == 16 ? 0x8 : \
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a == 32 ? 0xA : \
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a == 48 ? 0xB : \
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a == 64 ? 0xC : \
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a == 96 ? 0xD : \
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a == 128 ? 0xE : \
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a == ASSOC_FULL ? 0xF : \
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0 /* invalid value */)
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/* Definitions of the hardcoded cache entries we expose: */
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/* L1 data cache: */
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#define L1D_LINE_SIZE 64
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#define L1D_ASSOCIATIVITY 8
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#define L1D_SETS 64
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#define L1D_PARTITIONS 1
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/* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 32KiB */
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#define L1D_DESCRIPTOR CPUID_2_L1D_32KB_8WAY_64B
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/*FIXME: CPUID leaf 0x80000005 is inconsistent with leaves 2 & 4 */
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#define L1D_LINES_PER_TAG 1
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#define L1D_SIZE_KB_AMD 64
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#define L1D_ASSOCIATIVITY_AMD 2
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/* L1 instruction cache: */
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#define L1I_LINE_SIZE 64
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#define L1I_ASSOCIATIVITY 8
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#define L1I_SETS 64
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#define L1I_PARTITIONS 1
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/* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 32KiB */
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#define L1I_DESCRIPTOR CPUID_2_L1I_32KB_8WAY_64B
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/*FIXME: CPUID leaf 0x80000005 is inconsistent with leaves 2 & 4 */
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#define L1I_LINES_PER_TAG 1
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#define L1I_SIZE_KB_AMD 64
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#define L1I_ASSOCIATIVITY_AMD 2
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/* Level 2 unified cache: */
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#define L2_LINE_SIZE 64
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#define L2_ASSOCIATIVITY 16
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#define L2_SETS 4096
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#define L2_PARTITIONS 1
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/* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 4MiB */
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/*FIXME: CPUID leaf 2 descriptor is inconsistent with CPUID leaf 4 */
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#define L2_DESCRIPTOR CPUID_2_L2_2MB_8WAY_64B
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/*FIXME: CPUID leaf 0x80000006 is inconsistent with leaves 2 & 4 */
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#define L2_LINES_PER_TAG 1
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#define L2_SIZE_KB_AMD 512
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/* No L3 cache: */
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#define L3_SIZE_KB 0 /* disabled */
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#define L3_ASSOCIATIVITY 0 /* disabled */
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#define L3_LINES_PER_TAG 0 /* disabled */
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#define L3_LINE_SIZE 0 /* disabled */
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/* TLB definitions: */
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#define L1_DTLB_2M_ASSOC 1
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#define L1_DTLB_2M_ENTRIES 255
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#define L1_DTLB_4K_ASSOC 1
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#define L1_DTLB_4K_ENTRIES 255
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#define L1_ITLB_2M_ASSOC 1
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#define L1_ITLB_2M_ENTRIES 255
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#define L1_ITLB_4K_ASSOC 1
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#define L1_ITLB_4K_ENTRIES 255
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#define L2_DTLB_2M_ASSOC 0 /* disabled */
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#define L2_DTLB_2M_ENTRIES 0 /* disabled */
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#define L2_DTLB_4K_ASSOC 4
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#define L2_DTLB_4K_ENTRIES 512
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#define L2_ITLB_2M_ASSOC 0 /* disabled */
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#define L2_ITLB_2M_ENTRIES 0 /* disabled */
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#define L2_ITLB_4K_ASSOC 4
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#define L2_ITLB_4K_ENTRIES 512
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static void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
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uint32_t vendor2, uint32_t vendor3)
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{
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int i;
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for (i = 0; i < 4; i++) {
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dst[i] = vendor1 >> (8 * i);
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dst[i + 4] = vendor2 >> (8 * i);
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dst[i + 8] = vendor3 >> (8 * i);
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}
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dst[CPUID_VENDOR_SZ] = '\0';
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}
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/* feature flags taken from "Intel Processor Identification and the CPUID
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* Instruction" and AMD's "CPUID Specification". In cases of disagreement
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* between feature naming conventions, aliases may be added.
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*/
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static const char *feature_name[] = {
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"fpu", "vme", "de", "pse",
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"tsc", "msr", "pae", "mce",
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"cx8", "apic", NULL, "sep",
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"mtrr", "pge", "mca", "cmov",
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"pat", "pse36", "pn" /* Intel psn */, "clflush" /* Intel clfsh */,
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NULL, "ds" /* Intel dts */, "acpi", "mmx",
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"fxsr", "sse", "sse2", "ss",
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"ht" /* Intel htt */, "tm", "ia64", "pbe",
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};
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static const char *ext_feature_name[] = {
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"pni|sse3" /* Intel,AMD sse3 */, "pclmulqdq|pclmuldq", "dtes64", "monitor",
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"ds_cpl", "vmx", "smx", "est",
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"tm2", "ssse3", "cid", NULL,
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"fma", "cx16", "xtpr", "pdcm",
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NULL, "pcid", "dca", "sse4.1|sse4_1",
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"sse4.2|sse4_2", "x2apic", "movbe", "popcnt",
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"tsc-deadline", "aes", "xsave", "osxsave",
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"avx", "f16c", "rdrand", "hypervisor",
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};
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/* Feature names that are already defined on feature_name[] but are set on
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* CPUID[8000_0001].EDX on AMD CPUs don't have their names on
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* ext2_feature_name[]. They are copied automatically to cpuid_ext2_features
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* if and only if CPU vendor is AMD.
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*/
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static const char *ext2_feature_name[] = {
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NULL /* fpu */, NULL /* vme */, NULL /* de */, NULL /* pse */,
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NULL /* tsc */, NULL /* msr */, NULL /* pae */, NULL /* mce */,
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NULL /* cx8 */ /* AMD CMPXCHG8B */, NULL /* apic */, NULL, "syscall",
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NULL /* mtrr */, NULL /* pge */, NULL /* mca */, NULL /* cmov */,
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NULL /* pat */, NULL /* pse36 */, NULL, NULL /* Linux mp */,
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"nx|xd", NULL, "mmxext", NULL /* mmx */,
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NULL /* fxsr */, "fxsr_opt|ffxsr", "pdpe1gb" /* AMD Page1GB */, "rdtscp",
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NULL, "lm|i64", "3dnowext", "3dnow",
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};
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static const char *ext3_feature_name[] = {
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"lahf_lm" /* AMD LahfSahf */, "cmp_legacy", "svm", "extapic" /* AMD ExtApicSpace */,
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"cr8legacy" /* AMD AltMovCr8 */, "abm", "sse4a", "misalignsse",
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"3dnowprefetch", "osvw", "ibs", "xop",
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"skinit", "wdt", NULL, "lwp",
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"fma4", "tce", NULL, "nodeid_msr",
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NULL, "tbm", "topoext", "perfctr_core",
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"perfctr_nb", NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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};
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static const char *ext4_feature_name[] = {
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NULL, NULL, "xstore", "xstore-en",
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NULL, NULL, "xcrypt", "xcrypt-en",
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"ace2", "ace2-en", "phe", "phe-en",
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"pmm", "pmm-en", NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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};
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static const char *kvm_feature_name[] = {
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"kvmclock", "kvm_nopiodelay", "kvm_mmu", "kvmclock",
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"kvm_asyncpf", "kvm_steal_time", "kvm_pv_eoi", "kvm_pv_unhalt",
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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};
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static const char *svm_feature_name[] = {
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"npt", "lbrv", "svm_lock", "nrip_save",
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"tsc_scale", "vmcb_clean", "flushbyasid", "decodeassists",
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NULL, NULL, "pause_filter", NULL,
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"pfthreshold", NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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};
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static const char *cpuid_7_0_ebx_feature_name[] = {
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"fsgsbase", NULL, NULL, "bmi1", "hle", "avx2", NULL, "smep",
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"bmi2", "erms", "invpcid", "rtm", NULL, NULL, NULL, NULL,
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NULL, NULL, "rdseed", "adx", "smap", NULL, NULL, NULL,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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};
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typedef struct FeatureWordInfo {
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const char **feat_names;
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uint32_t cpuid_eax; /* Input EAX for CPUID */
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bool cpuid_needs_ecx; /* CPUID instruction uses ECX as input */
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uint32_t cpuid_ecx; /* Input ECX value for CPUID */
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int cpuid_reg; /* output register (R_* constant) */
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} FeatureWordInfo;
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static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
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[FEAT_1_EDX] = {
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.feat_names = feature_name,
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.cpuid_eax = 1, .cpuid_reg = R_EDX,
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},
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[FEAT_1_ECX] = {
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.feat_names = ext_feature_name,
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.cpuid_eax = 1, .cpuid_reg = R_ECX,
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},
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[FEAT_8000_0001_EDX] = {
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.feat_names = ext2_feature_name,
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.cpuid_eax = 0x80000001, .cpuid_reg = R_EDX,
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},
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[FEAT_8000_0001_ECX] = {
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.feat_names = ext3_feature_name,
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.cpuid_eax = 0x80000001, .cpuid_reg = R_ECX,
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},
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[FEAT_C000_0001_EDX] = {
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.feat_names = ext4_feature_name,
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.cpuid_eax = 0xC0000001, .cpuid_reg = R_EDX,
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},
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[FEAT_KVM] = {
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.feat_names = kvm_feature_name,
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.cpuid_eax = KVM_CPUID_FEATURES, .cpuid_reg = R_EAX,
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},
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[FEAT_SVM] = {
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.feat_names = svm_feature_name,
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.cpuid_eax = 0x8000000A, .cpuid_reg = R_EDX,
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},
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[FEAT_7_0_EBX] = {
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.feat_names = cpuid_7_0_ebx_feature_name,
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.cpuid_eax = 7,
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.cpuid_needs_ecx = true, .cpuid_ecx = 0,
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.cpuid_reg = R_EBX,
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},
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};
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typedef struct X86RegisterInfo32 {
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/* Name of register */
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const char *name;
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/* QAPI enum value register */
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X86CPURegister32 qapi_enum;
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} X86RegisterInfo32;
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#define REGISTER(reg) \
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[R_##reg] = { .name = #reg, .qapi_enum = X86_CPU_REGISTER32_##reg }
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static const X86RegisterInfo32 x86_reg_info_32[CPU_NB_REGS32] = {
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REGISTER(EAX),
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REGISTER(ECX),
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REGISTER(EDX),
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REGISTER(EBX),
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REGISTER(ESP),
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REGISTER(EBP),
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REGISTER(ESI),
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REGISTER(EDI),
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};
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#undef REGISTER
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typedef struct ExtSaveArea {
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uint32_t feature, bits;
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uint32_t offset, size;
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} ExtSaveArea;
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static const ExtSaveArea ext_save_areas[] = {
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[2] = { .feature = FEAT_1_ECX, .bits = CPUID_EXT_AVX,
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.offset = 0x240, .size = 0x100 },
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[3] = { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX,
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.offset = 0x3c0, .size = 0x40 },
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[4] = { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX,
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.offset = 0x400, .size = 0x40 },
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};
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const char *get_register_name_32(unsigned int reg)
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{
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if (reg >= CPU_NB_REGS32) {
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return NULL;
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}
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return x86_reg_info_32[reg].name;
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}
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/* collects per-function cpuid data
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*/
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typedef struct model_features_t {
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uint32_t *guest_feat;
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uint32_t *host_feat;
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FeatureWord feat_word;
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} model_features_t;
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/* KVM-specific features that are automatically added to all CPU models
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* when KVM is enabled.
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*/
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static uint32_t kvm_default_features[FEATURE_WORDS] = {
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[FEAT_KVM] = (1 << KVM_FEATURE_CLOCKSOURCE) |
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(1 << KVM_FEATURE_NOP_IO_DELAY) |
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(1 << KVM_FEATURE_CLOCKSOURCE2) |
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(1 << KVM_FEATURE_ASYNC_PF) |
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(1 << KVM_FEATURE_STEAL_TIME) |
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(1 << KVM_FEATURE_PV_EOI) |
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(1 << KVM_FEATURE_CLOCKSOURCE_STABLE_BIT),
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[FEAT_1_ECX] = CPUID_EXT_X2APIC,
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};
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void x86_cpu_compat_disable_kvm_features(FeatureWord w, uint32_t features)
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{
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kvm_default_features[w] &= ~features;
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}
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void host_cpuid(uint32_t function, uint32_t count,
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uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx)
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{
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uint32_t vec[4];
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#ifdef __x86_64__
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asm volatile("cpuid"
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: "=a"(vec[0]), "=b"(vec[1]),
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"=c"(vec[2]), "=d"(vec[3])
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: "0"(function), "c"(count) : "cc");
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#elif defined(__i386__)
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asm volatile("pusha \n\t"
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"cpuid \n\t"
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"mov %%eax, 0(%2) \n\t"
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"mov %%ebx, 4(%2) \n\t"
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"mov %%ecx, 8(%2) \n\t"
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"mov %%edx, 12(%2) \n\t"
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"popa"
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: : "a"(function), "c"(count), "S"(vec)
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: "memory", "cc");
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#else
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abort();
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#endif
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if (eax)
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*eax = vec[0];
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if (ebx)
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*ebx = vec[1];
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if (ecx)
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*ecx = vec[2];
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if (edx)
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*edx = vec[3];
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}
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#define iswhite(c) ((c) && ((c) <= ' ' || '~' < (c)))
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/* general substring compare of *[s1..e1) and *[s2..e2). sx is start of
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* a substring. ex if !NULL points to the first char after a substring,
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* otherwise the string is assumed to sized by a terminating nul.
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* Return lexical ordering of *s1:*s2.
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*/
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static int sstrcmp(const char *s1, const char *e1, const char *s2,
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const char *e2)
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{
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for (;;) {
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if (!*s1 || !*s2 || *s1 != *s2)
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return (*s1 - *s2);
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++s1, ++s2;
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if (s1 == e1 && s2 == e2)
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return (0);
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else if (s1 == e1)
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return (*s2);
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else if (s2 == e2)
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return (*s1);
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}
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}
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|
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/* compare *[s..e) to *altstr. *altstr may be a simple string or multiple
|
|
* '|' delimited (possibly empty) strings in which case search for a match
|
|
* within the alternatives proceeds left to right. Return 0 for success,
|
|
* non-zero otherwise.
|
|
*/
|
|
static int altcmp(const char *s, const char *e, const char *altstr)
|
|
{
|
|
const char *p, *q;
|
|
|
|
for (q = p = altstr; ; ) {
|
|
while (*p && *p != '|')
|
|
++p;
|
|
if ((q == p && !*s) || (q != p && !sstrcmp(s, e, q, p)))
|
|
return (0);
|
|
if (!*p)
|
|
return (1);
|
|
else
|
|
q = ++p;
|
|
}
|
|
}
|
|
|
|
/* search featureset for flag *[s..e), if found set corresponding bit in
|
|
* *pval and return true, otherwise return false
|
|
*/
|
|
static bool lookup_feature(uint32_t *pval, const char *s, const char *e,
|
|
const char **featureset)
|
|
{
|
|
uint32_t mask;
|
|
const char **ppc;
|
|
bool found = false;
|
|
|
|
for (mask = 1, ppc = featureset; mask; mask <<= 1, ++ppc) {
|
|
if (*ppc && !altcmp(s, e, *ppc)) {
|
|
*pval |= mask;
|
|
found = true;
|
|
}
|
|
}
|
|
return found;
|
|
}
|
|
|
|
static void add_flagname_to_bitmaps(const char *flagname,
|
|
FeatureWordArray words)
|
|
{
|
|
FeatureWord w;
|
|
for (w = 0; w < FEATURE_WORDS; w++) {
|
|
FeatureWordInfo *wi = &feature_word_info[w];
|
|
if (wi->feat_names &&
|
|
lookup_feature(&words[w], flagname, NULL, wi->feat_names)) {
|
|
break;
|
|
}
|
|
}
|
|
if (w == FEATURE_WORDS) {
|
|
fprintf(stderr, "CPU feature %s not found\n", flagname);
|
|
}
|
|
}
|
|
|
|
/* CPU class name definitions: */
|
|
|
|
#define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU
|
|
#define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX)
|
|
|
|
/* Return type name for a given CPU model name
|
|
* Caller is responsible for freeing the returned string.
|
|
*/
|
|
static char *x86_cpu_type_name(const char *model_name)
|
|
{
|
|
return g_strdup_printf(X86_CPU_TYPE_NAME("%s"), model_name);
|
|
}
|
|
|
|
static ObjectClass *x86_cpu_class_by_name(const char *cpu_model)
|
|
{
|
|
ObjectClass *oc;
|
|
char *typename;
|
|
|
|
if (cpu_model == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
typename = x86_cpu_type_name(cpu_model);
|
|
oc = object_class_by_name(typename);
|
|
g_free(typename);
|
|
return oc;
|
|
}
|
|
|
|
struct X86CPUDefinition {
|
|
const char *name;
|
|
uint32_t level;
|
|
uint32_t xlevel;
|
|
uint32_t xlevel2;
|
|
/* vendor is zero-terminated, 12 character ASCII string */
|
|
char vendor[CPUID_VENDOR_SZ + 1];
|
|
int family;
|
|
int model;
|
|
int stepping;
|
|
FeatureWordArray features;
|
|
char model_id[48];
|
|
bool cache_info_passthrough;
|
|
};
|
|
|
|
#define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE)
|
|
#define PENTIUM_FEATURES (I486_FEATURES | CPUID_DE | CPUID_TSC | \
|
|
CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_MMX | CPUID_APIC)
|
|
#define PENTIUM2_FEATURES (PENTIUM_FEATURES | CPUID_PAE | CPUID_SEP | \
|
|
CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
|
|
CPUID_PSE36 | CPUID_FXSR)
|
|
#define PENTIUM3_FEATURES (PENTIUM2_FEATURES | CPUID_SSE)
|
|
#define PPRO_FEATURES (CPUID_FP87 | CPUID_DE | CPUID_PSE | CPUID_TSC | \
|
|
CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_PGE | CPUID_CMOV | \
|
|
CPUID_PAT | CPUID_FXSR | CPUID_MMX | CPUID_SSE | CPUID_SSE2 | \
|
|
CPUID_PAE | CPUID_SEP | CPUID_APIC)
|
|
|
|
#define TCG_FEATURES (CPUID_FP87 | CPUID_PSE | CPUID_TSC | CPUID_MSR | \
|
|
CPUID_PAE | CPUID_MCE | CPUID_CX8 | CPUID_APIC | CPUID_SEP | \
|
|
CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
|
|
CPUID_PSE36 | CPUID_CLFLUSH | CPUID_ACPI | CPUID_MMX | \
|
|
CPUID_FXSR | CPUID_SSE | CPUID_SSE2 | CPUID_SS)
|
|
/* partly implemented:
|
|
CPUID_MTRR, CPUID_MCA, CPUID_CLFLUSH (needed for Win64) */
|
|
/* missing:
|
|
CPUID_VME, CPUID_DTS, CPUID_SS, CPUID_HT, CPUID_TM, CPUID_PBE */
|
|
#define TCG_EXT_FEATURES (CPUID_EXT_SSE3 | CPUID_EXT_PCLMULQDQ | \
|
|
CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 | CPUID_EXT_CX16 | \
|
|
CPUID_EXT_SSE41 | CPUID_EXT_SSE42 | CPUID_EXT_POPCNT | \
|
|
CPUID_EXT_MOVBE | CPUID_EXT_AES | CPUID_EXT_HYPERVISOR)
|
|
/* missing:
|
|
CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_SMX,
|
|
CPUID_EXT_EST, CPUID_EXT_TM2, CPUID_EXT_CID, CPUID_EXT_FMA,
|
|
CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_PCID, CPUID_EXT_DCA,
|
|
CPUID_EXT_X2APIC, CPUID_EXT_TSC_DEADLINE_TIMER, CPUID_EXT_XSAVE,
|
|
CPUID_EXT_OSXSAVE, CPUID_EXT_AVX, CPUID_EXT_F16C,
|
|
CPUID_EXT_RDRAND */
|
|
#define TCG_EXT2_FEATURES ((TCG_FEATURES & CPUID_EXT2_AMD_ALIASES) | \
|
|
CPUID_EXT2_NX | CPUID_EXT2_MMXEXT | CPUID_EXT2_RDTSCP | \
|
|
CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_PDPE1GB)
|
|
#define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \
|
|
CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A)
|
|
#define TCG_SVM_FEATURES 0
|
|
#define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP \
|
|
CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ADX)
|
|
/* missing:
|
|
CPUID_7_0_EBX_FSGSBASE, CPUID_7_0_EBX_HLE, CPUID_7_0_EBX_AVX2,
|
|
CPUID_7_0_EBX_ERMS, CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM,
|
|
CPUID_7_0_EBX_RDSEED */
|
|
|
|
static X86CPUDefinition builtin_x86_defs[] = {
|
|
{
|
|
.name = "qemu64",
|
|
.level = 4,
|
|
.vendor = CPUID_VENDOR_AMD,
|
|
.family = 6,
|
|
.model = 6,
|
|
.stepping = 3,
|
|
.features[FEAT_1_EDX] =
|
|
PPRO_FEATURES |
|
|
CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
|
|
CPUID_PSE36,
|
|
.features[FEAT_1_ECX] =
|
|
CPUID_EXT_SSE3 | CPUID_EXT_CX16 | CPUID_EXT_POPCNT,
|
|
.features[FEAT_8000_0001_EDX] =
|
|
(PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
|
|
CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
|
|
.features[FEAT_8000_0001_ECX] =
|
|
CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM |
|
|
CPUID_EXT3_ABM | CPUID_EXT3_SSE4A,
|
|
.xlevel = 0x8000000A,
|
|
},
|
|
{
|
|
.name = "phenom",
|
|
.level = 5,
|
|
.vendor = CPUID_VENDOR_AMD,
|
|
.family = 16,
|
|
.model = 2,
|
|
.stepping = 3,
|
|
.features[FEAT_1_EDX] =
|
|
PPRO_FEATURES |
|
|
CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
|
|
CPUID_PSE36 | CPUID_VME | CPUID_HT,
|
|
.features[FEAT_1_ECX] =
|
|
CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_CX16 |
|
|
CPUID_EXT_POPCNT,
|
|
.features[FEAT_8000_0001_EDX] =
|
|
(PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
|
|
CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX |
|
|
CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_MMXEXT |
|
|
CPUID_EXT2_FFXSR | CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP,
|
|
/* Missing: CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
|
|
CPUID_EXT3_CR8LEG,
|
|
CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
|
|
CPUID_EXT3_OSVW, CPUID_EXT3_IBS */
|
|
.features[FEAT_8000_0001_ECX] =
|
|
CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM |
|
|
CPUID_EXT3_ABM | CPUID_EXT3_SSE4A,
|
|
.features[FEAT_SVM] =
|
|
CPUID_SVM_NPT | CPUID_SVM_LBRV,
|
|
.xlevel = 0x8000001A,
|
|
.model_id = "AMD Phenom(tm) 9550 Quad-Core Processor"
|
|
},
|
|
{
|
|
.name = "core2duo",
|
|
.level = 10,
|
|
.vendor = CPUID_VENDOR_INTEL,
|
|
.family = 6,
|
|
.model = 15,
|
|
.stepping = 11,
|
|
.features[FEAT_1_EDX] =
|
|
PPRO_FEATURES |
|
|
CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
|
|
CPUID_PSE36 | CPUID_VME | CPUID_DTS | CPUID_ACPI | CPUID_SS |
|
|
CPUID_HT | CPUID_TM | CPUID_PBE,
|
|
.features[FEAT_1_ECX] =
|
|
CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
|
|
CPUID_EXT_DTES64 | CPUID_EXT_DSCPL | CPUID_EXT_VMX | CPUID_EXT_EST |
|
|
CPUID_EXT_TM2 | CPUID_EXT_CX16 | CPUID_EXT_XTPR | CPUID_EXT_PDCM,
|
|
.features[FEAT_8000_0001_EDX] =
|
|
CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
|
|
.features[FEAT_8000_0001_ECX] =
|
|
CPUID_EXT3_LAHF_LM,
|
|
.xlevel = 0x80000008,
|
|
.model_id = "Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz",
|
|
},
|
|
{
|
|
.name = "kvm64",
|
|
.level = 5,
|
|
.vendor = CPUID_VENDOR_INTEL,
|
|
.family = 15,
|
|
.model = 6,
|
|
.stepping = 1,
|
|
/* Missing: CPUID_VME, CPUID_HT */
|
|
.features[FEAT_1_EDX] =
|
|
PPRO_FEATURES |
|
|
CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
|
|
CPUID_PSE36,
|
|
/* Missing: CPUID_EXT_POPCNT, CPUID_EXT_MONITOR */
|
|
.features[FEAT_1_ECX] =
|
|
CPUID_EXT_SSE3 | CPUID_EXT_CX16,
|
|
/* Missing: CPUID_EXT2_PDPE1GB, CPUID_EXT2_RDTSCP */
|
|
.features[FEAT_8000_0001_EDX] =
|
|
(PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
|
|
CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
|
|
/* Missing: CPUID_EXT3_LAHF_LM, CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
|
|
CPUID_EXT3_CR8LEG, CPUID_EXT3_ABM, CPUID_EXT3_SSE4A,
|
|
CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
|
|
CPUID_EXT3_OSVW, CPUID_EXT3_IBS, CPUID_EXT3_SVM */
|
|
.features[FEAT_8000_0001_ECX] =
|
|
0,
|
|
.xlevel = 0x80000008,
|
|
.model_id = "Common KVM processor"
|
|
},
|
|
{
|
|
.name = "qemu32",
|
|
.level = 4,
|
|
.vendor = CPUID_VENDOR_INTEL,
|
|
.family = 6,
|
|
.model = 6,
|
|
.stepping = 3,
|
|
.features[FEAT_1_EDX] =
|
|
PPRO_FEATURES,
|
|
.features[FEAT_1_ECX] =
|
|
CPUID_EXT_SSE3 | CPUID_EXT_POPCNT,
|
|
.xlevel = 0x80000004,
|
|
},
|
|
{
|
|
.name = "kvm32",
|
|
.level = 5,
|
|
.vendor = CPUID_VENDOR_INTEL,
|
|
.family = 15,
|
|
.model = 6,
|
|
.stepping = 1,
|
|
.features[FEAT_1_EDX] =
|
|
PPRO_FEATURES |
|
|
CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_PSE36,
|
|
.features[FEAT_1_ECX] =
|
|
CPUID_EXT_SSE3,
|
|
.features[FEAT_8000_0001_EDX] =
|
|
PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES,
|
|
.features[FEAT_8000_0001_ECX] =
|
|
0,
|
|
.xlevel = 0x80000008,
|
|
.model_id = "Common 32-bit KVM processor"
|
|
},
|
|
{
|
|
.name = "coreduo",
|
|
.level = 10,
|
|
.vendor = CPUID_VENDOR_INTEL,
|
|
.family = 6,
|
|
.model = 14,
|
|
.stepping = 8,
|
|
.features[FEAT_1_EDX] =
|
|
PPRO_FEATURES | CPUID_VME |
|
|
CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_DTS | CPUID_ACPI |
|
|
CPUID_SS | CPUID_HT | CPUID_TM | CPUID_PBE,
|
|
.features[FEAT_1_ECX] =
|
|
CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_VMX |
|
|
CPUID_EXT_EST | CPUID_EXT_TM2 | CPUID_EXT_XTPR | CPUID_EXT_PDCM,
|
|
.features[FEAT_8000_0001_EDX] =
|
|
CPUID_EXT2_NX,
|
|
.xlevel = 0x80000008,
|
|
.model_id = "Genuine Intel(R) CPU T2600 @ 2.16GHz",
|
|
},
|
|
{
|
|
.name = "486",
|
|
.level = 1,
|
|
.vendor = CPUID_VENDOR_INTEL,
|
|
.family = 4,
|
|
.model = 8,
|
|
.stepping = 0,
|
|
.features[FEAT_1_EDX] =
|
|
I486_FEATURES,
|
|
.xlevel = 0,
|
|
},
|
|
{
|
|
.name = "pentium",
|
|
.level = 1,
|
|
.vendor = CPUID_VENDOR_INTEL,
|
|
.family = 5,
|
|
.model = 4,
|
|
.stepping = 3,
|
|
.features[FEAT_1_EDX] =
|
|
PENTIUM_FEATURES,
|
|
.xlevel = 0,
|
|
},
|
|
{
|
|
.name = "pentium2",
|
|
.level = 2,
|
|
.vendor = CPUID_VENDOR_INTEL,
|
|
.family = 6,
|
|
.model = 5,
|
|
.stepping = 2,
|
|
.features[FEAT_1_EDX] =
|
|
PENTIUM2_FEATURES,
|
|
.xlevel = 0,
|
|
},
|
|
{
|
|
.name = "pentium3",
|
|
.level = 2,
|
|
.vendor = CPUID_VENDOR_INTEL,
|
|
.family = 6,
|
|
.model = 7,
|
|
.stepping = 3,
|
|
.features[FEAT_1_EDX] =
|
|
PENTIUM3_FEATURES,
|
|
.xlevel = 0,
|
|
},
|
|
{
|
|
.name = "athlon",
|
|
.level = 2,
|
|
.vendor = CPUID_VENDOR_AMD,
|
|
.family = 6,
|
|
.model = 2,
|
|
.stepping = 3,
|
|
.features[FEAT_1_EDX] =
|
|
PPRO_FEATURES | CPUID_PSE36 | CPUID_VME | CPUID_MTRR |
|
|
CPUID_MCA,
|
|
.features[FEAT_8000_0001_EDX] =
|
|
(PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
|
|
CPUID_EXT2_MMXEXT | CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT,
|
|
.xlevel = 0x80000008,
|
|
},
|
|
{
|
|
.name = "n270",
|
|
/* original is on level 10 */
|
|
.level = 5,
|
|
.vendor = CPUID_VENDOR_INTEL,
|
|
.family = 6,
|
|
.model = 28,
|
|
.stepping = 2,
|
|
.features[FEAT_1_EDX] =
|
|
PPRO_FEATURES |
|
|
CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_VME | CPUID_DTS |
|
|
CPUID_ACPI | CPUID_SS | CPUID_HT | CPUID_TM | CPUID_PBE,
|
|
/* Some CPUs got no CPUID_SEP */
|
|
.features[FEAT_1_ECX] =
|
|
CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
|
|
CPUID_EXT_DSCPL | CPUID_EXT_EST | CPUID_EXT_TM2 | CPUID_EXT_XTPR |
|
|
CPUID_EXT_MOVBE,
|
|
.features[FEAT_8000_0001_EDX] =
|
|
(PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
|
|
CPUID_EXT2_NX,
|
|
.features[FEAT_8000_0001_ECX] =
|
|
CPUID_EXT3_LAHF_LM,
|
|
.xlevel = 0x8000000A,
|
|
.model_id = "Intel(R) Atom(TM) CPU N270 @ 1.60GHz",
|
|
},
|
|
{
|
|
.name = "Conroe",
|
|
.level = 4,
|
|
.vendor = CPUID_VENDOR_INTEL,
|
|
.family = 6,
|
|
.model = 15,
|
|
.stepping = 3,
|
|
.features[FEAT_1_EDX] =
|
|
CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
|
|
CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
|
|
CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
|
|
CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
|
|
CPUID_DE | CPUID_FP87,
|
|
.features[FEAT_1_ECX] =
|
|
CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
|
|
.features[FEAT_8000_0001_EDX] =
|
|
CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
|
|
.features[FEAT_8000_0001_ECX] =
|
|
CPUID_EXT3_LAHF_LM,
|
|
.xlevel = 0x8000000A,
|
|
.model_id = "Intel Celeron_4x0 (Conroe/Merom Class Core 2)",
|
|
},
|
|
{
|
|
.name = "Penryn",
|
|
.level = 4,
|
|
.vendor = CPUID_VENDOR_INTEL,
|
|
.family = 6,
|
|
.model = 23,
|
|
.stepping = 3,
|
|
.features[FEAT_1_EDX] =
|
|
CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
|
|
CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
|
|
CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
|
|
CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
|
|
CPUID_DE | CPUID_FP87,
|
|
.features[FEAT_1_ECX] =
|
|
CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
|
|
CPUID_EXT_SSE3,
|
|
.features[FEAT_8000_0001_EDX] =
|
|
CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
|
|
.features[FEAT_8000_0001_ECX] =
|
|
CPUID_EXT3_LAHF_LM,
|
|
.xlevel = 0x8000000A,
|
|
.model_id = "Intel Core 2 Duo P9xxx (Penryn Class Core 2)",
|
|
},
|
|
{
|
|
.name = "Nehalem",
|
|
.level = 4,
|
|
.vendor = CPUID_VENDOR_INTEL,
|
|
.family = 6,
|
|
.model = 26,
|
|
.stepping = 3,
|
|
.features[FEAT_1_EDX] =
|
|
CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
|
|
CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
|
|
CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
|
|
CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
|
|
CPUID_DE | CPUID_FP87,
|
|
.features[FEAT_1_ECX] =
|
|
CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
|
|
CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
|
|
.features[FEAT_8000_0001_EDX] =
|
|
CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
|
|
.features[FEAT_8000_0001_ECX] =
|
|
CPUID_EXT3_LAHF_LM,
|
|
.xlevel = 0x8000000A,
|
|
.model_id = "Intel Core i7 9xx (Nehalem Class Core i7)",
|
|
},
|
|
{
|
|
.name = "Westmere",
|
|
.level = 11,
|
|
.vendor = CPUID_VENDOR_INTEL,
|
|
.family = 6,
|
|
.model = 44,
|
|
.stepping = 1,
|
|
.features[FEAT_1_EDX] =
|
|
CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
|
|
CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
|
|
CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
|
|
CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
|
|
CPUID_DE | CPUID_FP87,
|
|
.features[FEAT_1_ECX] =
|
|
CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
|
|
CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
|
|
CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
|
|
.features[FEAT_8000_0001_EDX] =
|
|
CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
|
|
.features[FEAT_8000_0001_ECX] =
|
|
CPUID_EXT3_LAHF_LM,
|
|
.xlevel = 0x8000000A,
|
|
.model_id = "Westmere E56xx/L56xx/X56xx (Nehalem-C)",
|
|
},
|
|
{
|
|
.name = "SandyBridge",
|
|
.level = 0xd,
|
|
.vendor = CPUID_VENDOR_INTEL,
|
|
.family = 6,
|
|
.model = 42,
|
|
.stepping = 1,
|
|
.features[FEAT_1_EDX] =
|
|
CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
|
|
CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
|
|
CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
|
|
CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
|
|
CPUID_DE | CPUID_FP87,
|
|
.features[FEAT_1_ECX] =
|
|
CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
|
|
CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_POPCNT |
|
|
CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
|
|
CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
|
|
CPUID_EXT_SSE3,
|
|
.features[FEAT_8000_0001_EDX] =
|
|
CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
|
|
CPUID_EXT2_SYSCALL,
|
|
.features[FEAT_8000_0001_ECX] =
|
|
CPUID_EXT3_LAHF_LM,
|
|
.xlevel = 0x8000000A,
|
|
.model_id = "Intel Xeon E312xx (Sandy Bridge)",
|
|
},
|
|
{
|
|
.name = "Haswell",
|
|
.level = 0xd,
|
|
.vendor = CPUID_VENDOR_INTEL,
|
|
.family = 6,
|
|
.model = 60,
|
|
.stepping = 1,
|
|
.features[FEAT_1_EDX] =
|
|
CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
|
|
CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
|
|
CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
|
|
CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
|
|
CPUID_DE | CPUID_FP87,
|
|
.features[FEAT_1_ECX] =
|
|
CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
|
|
CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
|
|
CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
|
|
CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
|
|
CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
|
|
CPUID_EXT_PCID,
|
|
.features[FEAT_8000_0001_EDX] =
|
|
CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
|
|
CPUID_EXT2_SYSCALL,
|
|
.features[FEAT_8000_0001_ECX] =
|
|
CPUID_EXT3_LAHF_LM,
|
|
.features[FEAT_7_0_EBX] =
|
|
CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
|
|
CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
|
|
CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
|
|
CPUID_7_0_EBX_RTM,
|
|
.xlevel = 0x8000000A,
|
|
.model_id = "Intel Core Processor (Haswell)",
|
|
},
|
|
{
|
|
.name = "Opteron_G1",
|
|
.level = 5,
|
|
.vendor = CPUID_VENDOR_AMD,
|
|
.family = 15,
|
|
.model = 6,
|
|
.stepping = 1,
|
|
.features[FEAT_1_EDX] =
|
|
CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
|
|
CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
|
|
CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
|
|
CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
|
|
CPUID_DE | CPUID_FP87,
|
|
.features[FEAT_1_ECX] =
|
|
CPUID_EXT_SSE3,
|
|
.features[FEAT_8000_0001_EDX] =
|
|
CPUID_EXT2_LM | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
|
|
CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
|
|
CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
|
|
CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
|
|
CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
|
|
CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
|
|
.xlevel = 0x80000008,
|
|
.model_id = "AMD Opteron 240 (Gen 1 Class Opteron)",
|
|
},
|
|
{
|
|
.name = "Opteron_G2",
|
|
.level = 5,
|
|
.vendor = CPUID_VENDOR_AMD,
|
|
.family = 15,
|
|
.model = 6,
|
|
.stepping = 1,
|
|
.features[FEAT_1_EDX] =
|
|
CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
|
|
CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
|
|
CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
|
|
CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
|
|
CPUID_DE | CPUID_FP87,
|
|
.features[FEAT_1_ECX] =
|
|
CPUID_EXT_CX16 | CPUID_EXT_SSE3,
|
|
.features[FEAT_8000_0001_EDX] =
|
|
CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_FXSR |
|
|
CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
|
|
CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
|
|
CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
|
|
CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
|
|
CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
|
|
CPUID_EXT2_DE | CPUID_EXT2_FPU,
|
|
.features[FEAT_8000_0001_ECX] =
|
|
CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
|
|
.xlevel = 0x80000008,
|
|
.model_id = "AMD Opteron 22xx (Gen 2 Class Opteron)",
|
|
},
|
|
{
|
|
.name = "Opteron_G3",
|
|
.level = 5,
|
|
.vendor = CPUID_VENDOR_AMD,
|
|
.family = 15,
|
|
.model = 6,
|
|
.stepping = 1,
|
|
.features[FEAT_1_EDX] =
|
|
CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
|
|
CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
|
|
CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
|
|
CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
|
|
CPUID_DE | CPUID_FP87,
|
|
.features[FEAT_1_ECX] =
|
|
CPUID_EXT_POPCNT | CPUID_EXT_CX16 | CPUID_EXT_MONITOR |
|
|
CPUID_EXT_SSE3,
|
|
.features[FEAT_8000_0001_EDX] =
|
|
CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_FXSR |
|
|
CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
|
|
CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
|
|
CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
|
|
CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
|
|
CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
|
|
CPUID_EXT2_DE | CPUID_EXT2_FPU,
|
|
.features[FEAT_8000_0001_ECX] =
|
|
CPUID_EXT3_MISALIGNSSE | CPUID_EXT3_SSE4A |
|
|
CPUID_EXT3_ABM | CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
|
|
.xlevel = 0x80000008,
|
|
.model_id = "AMD Opteron 23xx (Gen 3 Class Opteron)",
|
|
},
|
|
{
|
|
.name = "Opteron_G4",
|
|
.level = 0xd,
|
|
.vendor = CPUID_VENDOR_AMD,
|
|
.family = 21,
|
|
.model = 1,
|
|
.stepping = 2,
|
|
.features[FEAT_1_EDX] =
|
|
CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
|
|
CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
|
|
CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
|
|
CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
|
|
CPUID_DE | CPUID_FP87,
|
|
.features[FEAT_1_ECX] =
|
|
CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
|
|
CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
|
|
CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
|
|
CPUID_EXT_SSE3,
|
|
.features[FEAT_8000_0001_EDX] =
|
|
CPUID_EXT2_LM | CPUID_EXT2_RDTSCP |
|
|
CPUID_EXT2_PDPE1GB | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
|
|
CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
|
|
CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
|
|
CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
|
|
CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
|
|
CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
|
|
.features[FEAT_8000_0001_ECX] =
|
|
CPUID_EXT3_FMA4 | CPUID_EXT3_XOP |
|
|
CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE |
|
|
CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM |
|
|
CPUID_EXT3_LAHF_LM,
|
|
.xlevel = 0x8000001A,
|
|
.model_id = "AMD Opteron 62xx class CPU",
|
|
},
|
|
{
|
|
.name = "Opteron_G5",
|
|
.level = 0xd,
|
|
.vendor = CPUID_VENDOR_AMD,
|
|
.family = 21,
|
|
.model = 2,
|
|
.stepping = 0,
|
|
.features[FEAT_1_EDX] =
|
|
CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
|
|
CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
|
|
CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
|
|
CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
|
|
CPUID_DE | CPUID_FP87,
|
|
.features[FEAT_1_ECX] =
|
|
CPUID_EXT_F16C | CPUID_EXT_AVX | CPUID_EXT_XSAVE |
|
|
CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
|
|
CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_FMA |
|
|
CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
|
|
.features[FEAT_8000_0001_EDX] =
|
|
CPUID_EXT2_LM | CPUID_EXT2_RDTSCP |
|
|
CPUID_EXT2_PDPE1GB | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
|
|
CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
|
|
CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
|
|
CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
|
|
CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
|
|
CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
|
|
.features[FEAT_8000_0001_ECX] =
|
|
CPUID_EXT3_TBM | CPUID_EXT3_FMA4 | CPUID_EXT3_XOP |
|
|
CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE |
|
|
CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM |
|
|
CPUID_EXT3_LAHF_LM,
|
|
.xlevel = 0x8000001A,
|
|
.model_id = "AMD Opteron 63xx class CPU",
|
|
},
|
|
};
|
|
|
|
/**
|
|
* x86_cpu_compat_set_features:
|
|
* @cpu_model: CPU model name to be changed. If NULL, all CPU models are changed
|
|
* @w: Identifies the feature word to be changed.
|
|
* @feat_add: Feature bits to be added to feature word
|
|
* @feat_remove: Feature bits to be removed from feature word
|
|
*
|
|
* Change CPU model feature bits for compatibility.
|
|
*
|
|
* This function may be used by machine-type compatibility functions
|
|
* to enable or disable feature bits on specific CPU models.
|
|
*/
|
|
void x86_cpu_compat_set_features(const char *cpu_model, FeatureWord w,
|
|
uint32_t feat_add, uint32_t feat_remove)
|
|
{
|
|
X86CPUDefinition *def;
|
|
int i;
|
|
for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) {
|
|
def = &builtin_x86_defs[i];
|
|
if (!cpu_model || !strcmp(cpu_model, def->name)) {
|
|
def->features[w] |= feat_add;
|
|
def->features[w] &= ~feat_remove;
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef CONFIG_KVM
|
|
|
|
static int cpu_x86_fill_model_id(char *str)
|
|
{
|
|
uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
|
|
int i;
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
host_cpuid(0x80000002 + i, 0, &eax, &ebx, &ecx, &edx);
|
|
memcpy(str + i * 16 + 0, &eax, 4);
|
|
memcpy(str + i * 16 + 4, &ebx, 4);
|
|
memcpy(str + i * 16 + 8, &ecx, 4);
|
|
memcpy(str + i * 16 + 12, &edx, 4);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static X86CPUDefinition host_cpudef;
|
|
|
|
/* class_init for the "host" CPU model
|
|
*
|
|
* This function may be called before KVM is initialized.
|
|
*/
|
|
static void host_x86_cpu_class_init(ObjectClass *oc, void *data)
|
|
{
|
|
X86CPUClass *xcc = X86_CPU_CLASS(oc);
|
|
uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
|
|
|
|
xcc->kvm_required = true;
|
|
|
|
host_cpuid(0x0, 0, &eax, &ebx, &ecx, &edx);
|
|
x86_cpu_vendor_words2str(host_cpudef.vendor, ebx, edx, ecx);
|
|
|
|
host_cpuid(0x1, 0, &eax, &ebx, &ecx, &edx);
|
|
host_cpudef.family = ((eax >> 8) & 0x0F) + ((eax >> 20) & 0xFF);
|
|
host_cpudef.model = ((eax >> 4) & 0x0F) | ((eax & 0xF0000) >> 12);
|
|
host_cpudef.stepping = eax & 0x0F;
|
|
|
|
cpu_x86_fill_model_id(host_cpudef.model_id);
|
|
|
|
xcc->cpu_def = &host_cpudef;
|
|
host_cpudef.cache_info_passthrough = true;
|
|
|
|
/* level, xlevel, xlevel2, and the feature words are initialized on
|
|
* instance_init, because they require KVM to be initialized.
|
|
*/
|
|
}
|
|
|
|
static void host_x86_cpu_initfn(Object *obj)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
KVMState *s = kvm_state;
|
|
FeatureWord w;
|
|
|
|
assert(kvm_enabled());
|
|
|
|
env->cpuid_level = kvm_arch_get_supported_cpuid(s, 0x0, 0, R_EAX);
|
|
env->cpuid_xlevel = kvm_arch_get_supported_cpuid(s, 0x80000000, 0, R_EAX);
|
|
env->cpuid_xlevel2 = kvm_arch_get_supported_cpuid(s, 0xC0000000, 0, R_EAX);
|
|
|
|
for (w = 0; w < FEATURE_WORDS; w++) {
|
|
FeatureWordInfo *wi = &feature_word_info[w];
|
|
env->features[w] =
|
|
kvm_arch_get_supported_cpuid(s, wi->cpuid_eax, wi->cpuid_ecx,
|
|
wi->cpuid_reg);
|
|
}
|
|
object_property_set_bool(OBJECT(cpu), true, "pmu", &error_abort);
|
|
}
|
|
|
|
static const TypeInfo host_x86_cpu_type_info = {
|
|
.name = X86_CPU_TYPE_NAME("host"),
|
|
.parent = TYPE_X86_CPU,
|
|
.instance_init = host_x86_cpu_initfn,
|
|
.class_init = host_x86_cpu_class_init,
|
|
};
|
|
|
|
#endif
|
|
|
|
static int unavailable_host_feature(FeatureWordInfo *f, uint32_t mask)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < 32; ++i)
|
|
if (1 << i & mask) {
|
|
const char *reg = get_register_name_32(f->cpuid_reg);
|
|
assert(reg);
|
|
fprintf(stderr, "warning: host doesn't support requested feature: "
|
|
"CPUID.%02XH:%s%s%s [bit %d]\n",
|
|
f->cpuid_eax, reg,
|
|
f->feat_names[i] ? "." : "",
|
|
f->feat_names[i] ? f->feat_names[i] : "", i);
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* Check if all requested cpu flags are making their way to the guest
|
|
*
|
|
* Returns 0 if all flags are supported by the host, non-zero otherwise.
|
|
*
|
|
* This function may be called only if KVM is enabled.
|
|
*/
|
|
static int kvm_check_features_against_host(KVMState *s, X86CPU *cpu)
|
|
{
|
|
CPUX86State *env = &cpu->env;
|
|
int rv = 0;
|
|
FeatureWord w;
|
|
|
|
assert(kvm_enabled());
|
|
|
|
for (w = 0; w < FEATURE_WORDS; w++) {
|
|
FeatureWordInfo *wi = &feature_word_info[w];
|
|
uint32_t guest_feat = env->features[w];
|
|
uint32_t host_feat = kvm_arch_get_supported_cpuid(s, wi->cpuid_eax,
|
|
wi->cpuid_ecx,
|
|
wi->cpuid_reg);
|
|
uint32_t mask;
|
|
for (mask = 1; mask; mask <<= 1) {
|
|
if (guest_feat & mask && !(host_feat & mask)) {
|
|
unavailable_host_feature(wi, mask);
|
|
rv = 1;
|
|
}
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
static void x86_cpuid_version_get_family(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
int64_t value;
|
|
|
|
value = (env->cpuid_version >> 8) & 0xf;
|
|
if (value == 0xf) {
|
|
value += (env->cpuid_version >> 20) & 0xff;
|
|
}
|
|
visit_type_int(v, &value, name, errp);
|
|
}
|
|
|
|
static void x86_cpuid_version_set_family(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
const int64_t min = 0;
|
|
const int64_t max = 0xff + 0xf;
|
|
Error *local_err = NULL;
|
|
int64_t value;
|
|
|
|
visit_type_int(v, &value, name, &local_err);
|
|
if (local_err) {
|
|
error_propagate(errp, local_err);
|
|
return;
|
|
}
|
|
if (value < min || value > max) {
|
|
error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
|
|
name ? name : "null", value, min, max);
|
|
return;
|
|
}
|
|
|
|
env->cpuid_version &= ~0xff00f00;
|
|
if (value > 0x0f) {
|
|
env->cpuid_version |= 0xf00 | ((value - 0x0f) << 20);
|
|
} else {
|
|
env->cpuid_version |= value << 8;
|
|
}
|
|
}
|
|
|
|
static void x86_cpuid_version_get_model(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
int64_t value;
|
|
|
|
value = (env->cpuid_version >> 4) & 0xf;
|
|
value |= ((env->cpuid_version >> 16) & 0xf) << 4;
|
|
visit_type_int(v, &value, name, errp);
|
|
}
|
|
|
|
static void x86_cpuid_version_set_model(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
const int64_t min = 0;
|
|
const int64_t max = 0xff;
|
|
Error *local_err = NULL;
|
|
int64_t value;
|
|
|
|
visit_type_int(v, &value, name, &local_err);
|
|
if (local_err) {
|
|
error_propagate(errp, local_err);
|
|
return;
|
|
}
|
|
if (value < min || value > max) {
|
|
error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
|
|
name ? name : "null", value, min, max);
|
|
return;
|
|
}
|
|
|
|
env->cpuid_version &= ~0xf00f0;
|
|
env->cpuid_version |= ((value & 0xf) << 4) | ((value >> 4) << 16);
|
|
}
|
|
|
|
static void x86_cpuid_version_get_stepping(Object *obj, Visitor *v,
|
|
void *opaque, const char *name,
|
|
Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
int64_t value;
|
|
|
|
value = env->cpuid_version & 0xf;
|
|
visit_type_int(v, &value, name, errp);
|
|
}
|
|
|
|
static void x86_cpuid_version_set_stepping(Object *obj, Visitor *v,
|
|
void *opaque, const char *name,
|
|
Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
const int64_t min = 0;
|
|
const int64_t max = 0xf;
|
|
Error *local_err = NULL;
|
|
int64_t value;
|
|
|
|
visit_type_int(v, &value, name, &local_err);
|
|
if (local_err) {
|
|
error_propagate(errp, local_err);
|
|
return;
|
|
}
|
|
if (value < min || value > max) {
|
|
error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
|
|
name ? name : "null", value, min, max);
|
|
return;
|
|
}
|
|
|
|
env->cpuid_version &= ~0xf;
|
|
env->cpuid_version |= value & 0xf;
|
|
}
|
|
|
|
static void x86_cpuid_get_level(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
|
|
visit_type_uint32(v, &cpu->env.cpuid_level, name, errp);
|
|
}
|
|
|
|
static void x86_cpuid_set_level(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
|
|
visit_type_uint32(v, &cpu->env.cpuid_level, name, errp);
|
|
}
|
|
|
|
static void x86_cpuid_get_xlevel(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
|
|
visit_type_uint32(v, &cpu->env.cpuid_xlevel, name, errp);
|
|
}
|
|
|
|
static void x86_cpuid_set_xlevel(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
|
|
visit_type_uint32(v, &cpu->env.cpuid_xlevel, name, errp);
|
|
}
|
|
|
|
static char *x86_cpuid_get_vendor(Object *obj, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
char *value;
|
|
|
|
value = (char *)g_malloc(CPUID_VENDOR_SZ + 1);
|
|
x86_cpu_vendor_words2str(value, env->cpuid_vendor1, env->cpuid_vendor2,
|
|
env->cpuid_vendor3);
|
|
return value;
|
|
}
|
|
|
|
static void x86_cpuid_set_vendor(Object *obj, const char *value,
|
|
Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
int i;
|
|
|
|
if (strlen(value) != CPUID_VENDOR_SZ) {
|
|
error_set(errp, QERR_PROPERTY_VALUE_BAD, "",
|
|
"vendor", value);
|
|
return;
|
|
}
|
|
|
|
env->cpuid_vendor1 = 0;
|
|
env->cpuid_vendor2 = 0;
|
|
env->cpuid_vendor3 = 0;
|
|
for (i = 0; i < 4; i++) {
|
|
env->cpuid_vendor1 |= ((uint8_t)value[i ]) << (8 * i);
|
|
env->cpuid_vendor2 |= ((uint8_t)value[i + 4]) << (8 * i);
|
|
env->cpuid_vendor3 |= ((uint8_t)value[i + 8]) << (8 * i);
|
|
}
|
|
}
|
|
|
|
static char *x86_cpuid_get_model_id(Object *obj, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
char *value;
|
|
int i;
|
|
|
|
value = g_malloc(48 + 1);
|
|
for (i = 0; i < 48; i++) {
|
|
value[i] = env->cpuid_model[i >> 2] >> (8 * (i & 3));
|
|
}
|
|
value[48] = '\0';
|
|
return value;
|
|
}
|
|
|
|
static void x86_cpuid_set_model_id(Object *obj, const char *model_id,
|
|
Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
int c, len, i;
|
|
|
|
if (model_id == NULL) {
|
|
model_id = "";
|
|
}
|
|
len = strlen(model_id);
|
|
memset(env->cpuid_model, 0, 48);
|
|
for (i = 0; i < 48; i++) {
|
|
if (i >= len) {
|
|
c = '\0';
|
|
} else {
|
|
c = (uint8_t)model_id[i];
|
|
}
|
|
env->cpuid_model[i >> 2] |= c << (8 * (i & 3));
|
|
}
|
|
}
|
|
|
|
static void x86_cpuid_get_tsc_freq(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
int64_t value;
|
|
|
|
value = cpu->env.tsc_khz * 1000;
|
|
visit_type_int(v, &value, name, errp);
|
|
}
|
|
|
|
static void x86_cpuid_set_tsc_freq(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
const int64_t min = 0;
|
|
const int64_t max = INT64_MAX;
|
|
Error *local_err = NULL;
|
|
int64_t value;
|
|
|
|
visit_type_int(v, &value, name, &local_err);
|
|
if (local_err) {
|
|
error_propagate(errp, local_err);
|
|
return;
|
|
}
|
|
if (value < min || value > max) {
|
|
error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
|
|
name ? name : "null", value, min, max);
|
|
return;
|
|
}
|
|
|
|
cpu->env.tsc_khz = value / 1000;
|
|
}
|
|
|
|
static void x86_cpuid_get_apic_id(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
int64_t value = cpu->env.cpuid_apic_id;
|
|
|
|
visit_type_int(v, &value, name, errp);
|
|
}
|
|
|
|
static void x86_cpuid_set_apic_id(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
DeviceState *dev = DEVICE(obj);
|
|
const int64_t min = 0;
|
|
const int64_t max = UINT32_MAX;
|
|
Error *error = NULL;
|
|
int64_t value;
|
|
|
|
if (dev->realized) {
|
|
error_setg(errp, "Attempt to set property '%s' on '%s' after "
|
|
"it was realized", name, object_get_typename(obj));
|
|
return;
|
|
}
|
|
|
|
visit_type_int(v, &value, name, &error);
|
|
if (error) {
|
|
error_propagate(errp, error);
|
|
return;
|
|
}
|
|
if (value < min || value > max) {
|
|
error_setg(errp, "Property %s.%s doesn't take value %" PRId64
|
|
" (minimum: %" PRId64 ", maximum: %" PRId64 ")" ,
|
|
object_get_typename(obj), name, value, min, max);
|
|
return;
|
|
}
|
|
|
|
if ((value != cpu->env.cpuid_apic_id) && cpu_exists(value)) {
|
|
error_setg(errp, "CPU with APIC ID %" PRIi64 " exists", value);
|
|
return;
|
|
}
|
|
cpu->env.cpuid_apic_id = value;
|
|
}
|
|
|
|
/* Generic getter for "feature-words" and "filtered-features" properties */
|
|
static void x86_cpu_get_feature_words(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
uint32_t *array = (uint32_t *)opaque;
|
|
FeatureWord w;
|
|
Error *err = NULL;
|
|
X86CPUFeatureWordInfo word_infos[FEATURE_WORDS] = { };
|
|
X86CPUFeatureWordInfoList list_entries[FEATURE_WORDS] = { };
|
|
X86CPUFeatureWordInfoList *list = NULL;
|
|
|
|
for (w = 0; w < FEATURE_WORDS; w++) {
|
|
FeatureWordInfo *wi = &feature_word_info[w];
|
|
X86CPUFeatureWordInfo *qwi = &word_infos[w];
|
|
qwi->cpuid_input_eax = wi->cpuid_eax;
|
|
qwi->has_cpuid_input_ecx = wi->cpuid_needs_ecx;
|
|
qwi->cpuid_input_ecx = wi->cpuid_ecx;
|
|
qwi->cpuid_register = x86_reg_info_32[wi->cpuid_reg].qapi_enum;
|
|
qwi->features = array[w];
|
|
|
|
/* List will be in reverse order, but order shouldn't matter */
|
|
list_entries[w].next = list;
|
|
list_entries[w].value = &word_infos[w];
|
|
list = &list_entries[w];
|
|
}
|
|
|
|
visit_type_X86CPUFeatureWordInfoList(v, &list, "feature-words", &err);
|
|
error_propagate(errp, err);
|
|
}
|
|
|
|
static void x86_get_hv_spinlocks(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
int64_t value = cpu->hyperv_spinlock_attempts;
|
|
|
|
visit_type_int(v, &value, name, errp);
|
|
}
|
|
|
|
static void x86_set_hv_spinlocks(Object *obj, Visitor *v, void *opaque,
|
|
const char *name, Error **errp)
|
|
{
|
|
const int64_t min = 0xFFF;
|
|
const int64_t max = UINT_MAX;
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
Error *err = NULL;
|
|
int64_t value;
|
|
|
|
visit_type_int(v, &value, name, &err);
|
|
if (err) {
|
|
error_propagate(errp, err);
|
|
return;
|
|
}
|
|
|
|
if (value < min || value > max) {
|
|
error_setg(errp, "Property %s.%s doesn't take value %" PRId64
|
|
" (minimum: %" PRId64 ", maximum: %" PRId64 ")",
|
|
object_get_typename(obj), name ? name : "null",
|
|
value, min, max);
|
|
return;
|
|
}
|
|
cpu->hyperv_spinlock_attempts = value;
|
|
}
|
|
|
|
static PropertyInfo qdev_prop_spinlocks = {
|
|
.name = "int",
|
|
.get = x86_get_hv_spinlocks,
|
|
.set = x86_set_hv_spinlocks,
|
|
};
|
|
|
|
/* Convert all '_' in a feature string option name to '-', to make feature
|
|
* name conform to QOM property naming rule, which uses '-' instead of '_'.
|
|
*/
|
|
static inline void feat2prop(char *s)
|
|
{
|
|
while ((s = strchr(s, '_'))) {
|
|
*s = '-';
|
|
}
|
|
}
|
|
|
|
/* Parse "+feature,-feature,feature=foo" CPU feature string
|
|
*/
|
|
static void x86_cpu_parse_featurestr(CPUState *cs, char *features,
|
|
Error **errp)
|
|
{
|
|
X86CPU *cpu = X86_CPU(cs);
|
|
char *featurestr; /* Single 'key=value" string being parsed */
|
|
/* Features to be added */
|
|
FeatureWordArray plus_features = { 0 };
|
|
/* Features to be removed */
|
|
FeatureWordArray minus_features = { 0 };
|
|
uint32_t numvalue;
|
|
CPUX86State *env = &cpu->env;
|
|
Error *local_err = NULL;
|
|
|
|
featurestr = features ? strtok(features, ",") : NULL;
|
|
|
|
while (featurestr) {
|
|
char *val;
|
|
if (featurestr[0] == '+') {
|
|
add_flagname_to_bitmaps(featurestr + 1, plus_features);
|
|
} else if (featurestr[0] == '-') {
|
|
add_flagname_to_bitmaps(featurestr + 1, minus_features);
|
|
} else if ((val = strchr(featurestr, '='))) {
|
|
*val = 0; val++;
|
|
feat2prop(featurestr);
|
|
if (!strcmp(featurestr, "xlevel")) {
|
|
char *err;
|
|
char num[32];
|
|
|
|
numvalue = strtoul(val, &err, 0);
|
|
if (!*val || *err) {
|
|
error_setg(&local_err, "bad numerical value %s", val);
|
|
goto out;
|
|
}
|
|
if (numvalue < 0x80000000) {
|
|
error_report("xlevel value shall always be >= 0x80000000"
|
|
", fixup will be removed in future versions");
|
|
numvalue += 0x80000000;
|
|
}
|
|
snprintf(num, sizeof(num), "%" PRIu32, numvalue);
|
|
object_property_parse(OBJECT(cpu), num, featurestr, &local_err);
|
|
} else if (!strcmp(featurestr, "tsc-freq")) {
|
|
int64_t tsc_freq;
|
|
char *err;
|
|
char num[32];
|
|
|
|
tsc_freq = strtosz_suffix_unit(val, &err,
|
|
STRTOSZ_DEFSUFFIX_B, 1000);
|
|
if (tsc_freq < 0 || *err) {
|
|
error_setg(&local_err, "bad numerical value %s", val);
|
|
goto out;
|
|
}
|
|
snprintf(num, sizeof(num), "%" PRId64, tsc_freq);
|
|
object_property_parse(OBJECT(cpu), num, "tsc-frequency",
|
|
&local_err);
|
|
} else if (!strcmp(featurestr, "hv-spinlocks")) {
|
|
char *err;
|
|
const int min = 0xFFF;
|
|
char num[32];
|
|
numvalue = strtoul(val, &err, 0);
|
|
if (!*val || *err) {
|
|
error_setg(&local_err, "bad numerical value %s", val);
|
|
goto out;
|
|
}
|
|
if (numvalue < min) {
|
|
error_report("hv-spinlocks value shall always be >= 0x%x"
|
|
", fixup will be removed in future versions",
|
|
min);
|
|
numvalue = min;
|
|
}
|
|
snprintf(num, sizeof(num), "%" PRId32, numvalue);
|
|
object_property_parse(OBJECT(cpu), num, featurestr, &local_err);
|
|
} else {
|
|
object_property_parse(OBJECT(cpu), val, featurestr, &local_err);
|
|
}
|
|
} else {
|
|
feat2prop(featurestr);
|
|
object_property_parse(OBJECT(cpu), "on", featurestr, &local_err);
|
|
}
|
|
if (local_err) {
|
|
error_propagate(errp, local_err);
|
|
goto out;
|
|
}
|
|
featurestr = strtok(NULL, ",");
|
|
}
|
|
env->features[FEAT_1_EDX] |= plus_features[FEAT_1_EDX];
|
|
env->features[FEAT_1_ECX] |= plus_features[FEAT_1_ECX];
|
|
env->features[FEAT_8000_0001_EDX] |= plus_features[FEAT_8000_0001_EDX];
|
|
env->features[FEAT_8000_0001_ECX] |= plus_features[FEAT_8000_0001_ECX];
|
|
env->features[FEAT_C000_0001_EDX] |= plus_features[FEAT_C000_0001_EDX];
|
|
env->features[FEAT_KVM] |= plus_features[FEAT_KVM];
|
|
env->features[FEAT_SVM] |= plus_features[FEAT_SVM];
|
|
env->features[FEAT_7_0_EBX] |= plus_features[FEAT_7_0_EBX];
|
|
env->features[FEAT_1_EDX] &= ~minus_features[FEAT_1_EDX];
|
|
env->features[FEAT_1_ECX] &= ~minus_features[FEAT_1_ECX];
|
|
env->features[FEAT_8000_0001_EDX] &= ~minus_features[FEAT_8000_0001_EDX];
|
|
env->features[FEAT_8000_0001_ECX] &= ~minus_features[FEAT_8000_0001_ECX];
|
|
env->features[FEAT_C000_0001_EDX] &= ~minus_features[FEAT_C000_0001_EDX];
|
|
env->features[FEAT_KVM] &= ~minus_features[FEAT_KVM];
|
|
env->features[FEAT_SVM] &= ~minus_features[FEAT_SVM];
|
|
env->features[FEAT_7_0_EBX] &= ~minus_features[FEAT_7_0_EBX];
|
|
|
|
out:
|
|
return;
|
|
}
|
|
|
|
/* generate a composite string into buf of all cpuid names in featureset
|
|
* selected by fbits. indicate truncation at bufsize in the event of overflow.
|
|
* if flags, suppress names undefined in featureset.
|
|
*/
|
|
static void listflags(char *buf, int bufsize, uint32_t fbits,
|
|
const char **featureset, uint32_t flags)
|
|
{
|
|
const char **p = &featureset[31];
|
|
char *q, *b, bit;
|
|
int nc;
|
|
|
|
b = 4 <= bufsize ? buf + (bufsize -= 3) - 1 : NULL;
|
|
*buf = '\0';
|
|
for (q = buf, bit = 31; fbits && bufsize; --p, fbits &= ~(1 << bit), --bit)
|
|
if (fbits & 1 << bit && (*p || !flags)) {
|
|
if (*p)
|
|
nc = snprintf(q, bufsize, "%s%s", q == buf ? "" : " ", *p);
|
|
else
|
|
nc = snprintf(q, bufsize, "%s[%d]", q == buf ? "" : " ", bit);
|
|
if (bufsize <= nc) {
|
|
if (b) {
|
|
memcpy(b, "...", sizeof("..."));
|
|
}
|
|
return;
|
|
}
|
|
q += nc;
|
|
bufsize -= nc;
|
|
}
|
|
}
|
|
|
|
/* generate CPU information. */
|
|
void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf)
|
|
{
|
|
X86CPUDefinition *def;
|
|
char buf[256];
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) {
|
|
def = &builtin_x86_defs[i];
|
|
snprintf(buf, sizeof(buf), "%s", def->name);
|
|
(*cpu_fprintf)(f, "x86 %16s %-48s\n", buf, def->model_id);
|
|
}
|
|
#ifdef CONFIG_KVM
|
|
(*cpu_fprintf)(f, "x86 %16s %-48s\n", "host",
|
|
"KVM processor with all supported host features "
|
|
"(only available in KVM mode)");
|
|
#endif
|
|
|
|
(*cpu_fprintf)(f, "\nRecognized CPUID flags:\n");
|
|
for (i = 0; i < ARRAY_SIZE(feature_word_info); i++) {
|
|
FeatureWordInfo *fw = &feature_word_info[i];
|
|
|
|
listflags(buf, sizeof(buf), (uint32_t)~0, fw->feat_names, 1);
|
|
(*cpu_fprintf)(f, " %s\n", buf);
|
|
}
|
|
}
|
|
|
|
CpuDefinitionInfoList *arch_query_cpu_definitions(Error **errp)
|
|
{
|
|
CpuDefinitionInfoList *cpu_list = NULL;
|
|
X86CPUDefinition *def;
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) {
|
|
CpuDefinitionInfoList *entry;
|
|
CpuDefinitionInfo *info;
|
|
|
|
def = &builtin_x86_defs[i];
|
|
info = g_malloc0(sizeof(*info));
|
|
info->name = g_strdup(def->name);
|
|
|
|
entry = g_malloc0(sizeof(*entry));
|
|
entry->value = info;
|
|
entry->next = cpu_list;
|
|
cpu_list = entry;
|
|
}
|
|
|
|
return cpu_list;
|
|
}
|
|
|
|
static void filter_features_for_kvm(X86CPU *cpu)
|
|
{
|
|
CPUX86State *env = &cpu->env;
|
|
KVMState *s = kvm_state;
|
|
FeatureWord w;
|
|
|
|
for (w = 0; w < FEATURE_WORDS; w++) {
|
|
FeatureWordInfo *wi = &feature_word_info[w];
|
|
uint32_t host_feat = kvm_arch_get_supported_cpuid(s, wi->cpuid_eax,
|
|
wi->cpuid_ecx,
|
|
wi->cpuid_reg);
|
|
uint32_t requested_features = env->features[w];
|
|
env->features[w] &= host_feat;
|
|
cpu->filtered_features[w] = requested_features & ~env->features[w];
|
|
}
|
|
}
|
|
|
|
/* Load data from X86CPUDefinition
|
|
*/
|
|
static void x86_cpu_load_def(X86CPU *cpu, X86CPUDefinition *def, Error **errp)
|
|
{
|
|
CPUX86State *env = &cpu->env;
|
|
const char *vendor;
|
|
char host_vendor[CPUID_VENDOR_SZ + 1];
|
|
|
|
object_property_set_int(OBJECT(cpu), def->level, "level", errp);
|
|
object_property_set_int(OBJECT(cpu), def->family, "family", errp);
|
|
object_property_set_int(OBJECT(cpu), def->model, "model", errp);
|
|
object_property_set_int(OBJECT(cpu), def->stepping, "stepping", errp);
|
|
env->features[FEAT_1_EDX] = def->features[FEAT_1_EDX];
|
|
env->features[FEAT_1_ECX] = def->features[FEAT_1_ECX];
|
|
env->features[FEAT_8000_0001_EDX] = def->features[FEAT_8000_0001_EDX];
|
|
env->features[FEAT_8000_0001_ECX] = def->features[FEAT_8000_0001_ECX];
|
|
object_property_set_int(OBJECT(cpu), def->xlevel, "xlevel", errp);
|
|
env->features[FEAT_KVM] = def->features[FEAT_KVM];
|
|
env->features[FEAT_SVM] = def->features[FEAT_SVM];
|
|
env->features[FEAT_C000_0001_EDX] = def->features[FEAT_C000_0001_EDX];
|
|
env->features[FEAT_7_0_EBX] = def->features[FEAT_7_0_EBX];
|
|
env->cpuid_xlevel2 = def->xlevel2;
|
|
cpu->cache_info_passthrough = def->cache_info_passthrough;
|
|
|
|
object_property_set_str(OBJECT(cpu), def->model_id, "model-id", errp);
|
|
|
|
/* Special cases not set in the X86CPUDefinition structs: */
|
|
if (kvm_enabled()) {
|
|
FeatureWord w;
|
|
for (w = 0; w < FEATURE_WORDS; w++) {
|
|
env->features[w] |= kvm_default_features[w];
|
|
}
|
|
}
|
|
|
|
env->features[FEAT_1_ECX] |= CPUID_EXT_HYPERVISOR;
|
|
|
|
/* sysenter isn't supported in compatibility mode on AMD,
|
|
* syscall isn't supported in compatibility mode on Intel.
|
|
* Normally we advertise the actual CPU vendor, but you can
|
|
* override this using the 'vendor' property if you want to use
|
|
* KVM's sysenter/syscall emulation in compatibility mode and
|
|
* when doing cross vendor migration
|
|
*/
|
|
vendor = def->vendor;
|
|
if (kvm_enabled()) {
|
|
uint32_t ebx = 0, ecx = 0, edx = 0;
|
|
host_cpuid(0, 0, NULL, &ebx, &ecx, &edx);
|
|
x86_cpu_vendor_words2str(host_vendor, ebx, edx, ecx);
|
|
vendor = host_vendor;
|
|
}
|
|
|
|
object_property_set_str(OBJECT(cpu), vendor, "vendor", errp);
|
|
|
|
}
|
|
|
|
X86CPU *cpu_x86_create(const char *cpu_model, DeviceState *icc_bridge,
|
|
Error **errp)
|
|
{
|
|
X86CPU *cpu = NULL;
|
|
X86CPUClass *xcc;
|
|
ObjectClass *oc;
|
|
gchar **model_pieces;
|
|
char *name, *features;
|
|
Error *error = NULL;
|
|
|
|
model_pieces = g_strsplit(cpu_model, ",", 2);
|
|
if (!model_pieces[0]) {
|
|
error_setg(&error, "Invalid/empty CPU model name");
|
|
goto out;
|
|
}
|
|
name = model_pieces[0];
|
|
features = model_pieces[1];
|
|
|
|
oc = x86_cpu_class_by_name(name);
|
|
if (oc == NULL) {
|
|
error_setg(&error, "Unable to find CPU definition: %s", name);
|
|
goto out;
|
|
}
|
|
xcc = X86_CPU_CLASS(oc);
|
|
|
|
if (xcc->kvm_required && !kvm_enabled()) {
|
|
error_setg(&error, "CPU model '%s' requires KVM", name);
|
|
goto out;
|
|
}
|
|
|
|
cpu = X86_CPU(object_new(object_class_get_name(oc)));
|
|
|
|
#ifndef CONFIG_USER_ONLY
|
|
if (icc_bridge == NULL) {
|
|
error_setg(&error, "Invalid icc-bridge value");
|
|
goto out;
|
|
}
|
|
qdev_set_parent_bus(DEVICE(cpu), qdev_get_child_bus(icc_bridge, "icc"));
|
|
object_unref(OBJECT(cpu));
|
|
#endif
|
|
|
|
x86_cpu_parse_featurestr(CPU(cpu), features, &error);
|
|
if (error) {
|
|
goto out;
|
|
}
|
|
|
|
out:
|
|
if (error != NULL) {
|
|
error_propagate(errp, error);
|
|
if (cpu) {
|
|
object_unref(OBJECT(cpu));
|
|
cpu = NULL;
|
|
}
|
|
}
|
|
g_strfreev(model_pieces);
|
|
return cpu;
|
|
}
|
|
|
|
X86CPU *cpu_x86_init(const char *cpu_model)
|
|
{
|
|
Error *error = NULL;
|
|
X86CPU *cpu;
|
|
|
|
cpu = cpu_x86_create(cpu_model, NULL, &error);
|
|
if (error) {
|
|
goto out;
|
|
}
|
|
|
|
object_property_set_bool(OBJECT(cpu), true, "realized", &error);
|
|
|
|
out:
|
|
if (error) {
|
|
error_report("%s", error_get_pretty(error));
|
|
error_free(error);
|
|
if (cpu != NULL) {
|
|
object_unref(OBJECT(cpu));
|
|
cpu = NULL;
|
|
}
|
|
}
|
|
return cpu;
|
|
}
|
|
|
|
static void x86_cpu_cpudef_class_init(ObjectClass *oc, void *data)
|
|
{
|
|
X86CPUDefinition *cpudef = data;
|
|
X86CPUClass *xcc = X86_CPU_CLASS(oc);
|
|
|
|
xcc->cpu_def = cpudef;
|
|
}
|
|
|
|
static void x86_register_cpudef_type(X86CPUDefinition *def)
|
|
{
|
|
char *typename = x86_cpu_type_name(def->name);
|
|
TypeInfo ti = {
|
|
.name = typename,
|
|
.parent = TYPE_X86_CPU,
|
|
.class_init = x86_cpu_cpudef_class_init,
|
|
.class_data = def,
|
|
};
|
|
|
|
type_register(&ti);
|
|
g_free(typename);
|
|
}
|
|
|
|
#if !defined(CONFIG_USER_ONLY)
|
|
|
|
void cpu_clear_apic_feature(CPUX86State *env)
|
|
{
|
|
env->features[FEAT_1_EDX] &= ~CPUID_APIC;
|
|
}
|
|
|
|
#endif /* !CONFIG_USER_ONLY */
|
|
|
|
/* Initialize list of CPU models, filling some non-static fields if necessary
|
|
*/
|
|
void x86_cpudef_setup(void)
|
|
{
|
|
int i, j;
|
|
static const char *model_with_versions[] = { "qemu32", "qemu64", "athlon" };
|
|
|
|
for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); ++i) {
|
|
X86CPUDefinition *def = &builtin_x86_defs[i];
|
|
|
|
/* Look for specific "cpudef" models that */
|
|
/* have the QEMU version in .model_id */
|
|
for (j = 0; j < ARRAY_SIZE(model_with_versions); j++) {
|
|
if (strcmp(model_with_versions[j], def->name) == 0) {
|
|
pstrcpy(def->model_id, sizeof(def->model_id),
|
|
"QEMU Virtual CPU version ");
|
|
pstrcat(def->model_id, sizeof(def->model_id),
|
|
qemu_get_version());
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void get_cpuid_vendor(CPUX86State *env, uint32_t *ebx,
|
|
uint32_t *ecx, uint32_t *edx)
|
|
{
|
|
*ebx = env->cpuid_vendor1;
|
|
*edx = env->cpuid_vendor2;
|
|
*ecx = env->cpuid_vendor3;
|
|
}
|
|
|
|
void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
|
|
uint32_t *eax, uint32_t *ebx,
|
|
uint32_t *ecx, uint32_t *edx)
|
|
{
|
|
X86CPU *cpu = x86_env_get_cpu(env);
|
|
CPUState *cs = CPU(cpu);
|
|
|
|
/* test if maximum index reached */
|
|
if (index & 0x80000000) {
|
|
if (index > env->cpuid_xlevel) {
|
|
if (env->cpuid_xlevel2 > 0) {
|
|
/* Handle the Centaur's CPUID instruction. */
|
|
if (index > env->cpuid_xlevel2) {
|
|
index = env->cpuid_xlevel2;
|
|
} else if (index < 0xC0000000) {
|
|
index = env->cpuid_xlevel;
|
|
}
|
|
} else {
|
|
/* Intel documentation states that invalid EAX input will
|
|
* return the same information as EAX=cpuid_level
|
|
* (Intel SDM Vol. 2A - Instruction Set Reference - CPUID)
|
|
*/
|
|
index = env->cpuid_level;
|
|
}
|
|
}
|
|
} else {
|
|
if (index > env->cpuid_level)
|
|
index = env->cpuid_level;
|
|
}
|
|
|
|
switch(index) {
|
|
case 0:
|
|
*eax = env->cpuid_level;
|
|
get_cpuid_vendor(env, ebx, ecx, edx);
|
|
break;
|
|
case 1:
|
|
*eax = env->cpuid_version;
|
|
*ebx = (env->cpuid_apic_id << 24) | 8 << 8; /* CLFLUSH size in quad words, Linux wants it. */
|
|
*ecx = env->features[FEAT_1_ECX];
|
|
*edx = env->features[FEAT_1_EDX];
|
|
if (cs->nr_cores * cs->nr_threads > 1) {
|
|
*ebx |= (cs->nr_cores * cs->nr_threads) << 16;
|
|
*edx |= 1 << 28; /* HTT bit */
|
|
}
|
|
break;
|
|
case 2:
|
|
/* cache info: needed for Pentium Pro compatibility */
|
|
if (cpu->cache_info_passthrough) {
|
|
host_cpuid(index, 0, eax, ebx, ecx, edx);
|
|
break;
|
|
}
|
|
*eax = 1; /* Number of CPUID[EAX=2] calls required */
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = (L1D_DESCRIPTOR << 16) | \
|
|
(L1I_DESCRIPTOR << 8) | \
|
|
(L2_DESCRIPTOR);
|
|
break;
|
|
case 4:
|
|
/* cache info: needed for Core compatibility */
|
|
if (cpu->cache_info_passthrough) {
|
|
host_cpuid(index, count, eax, ebx, ecx, edx);
|
|
*eax &= ~0xFC000000;
|
|
} else {
|
|
*eax = 0;
|
|
switch (count) {
|
|
case 0: /* L1 dcache info */
|
|
*eax |= CPUID_4_TYPE_DCACHE | \
|
|
CPUID_4_LEVEL(1) | \
|
|
CPUID_4_SELF_INIT_LEVEL;
|
|
*ebx = (L1D_LINE_SIZE - 1) | \
|
|
((L1D_PARTITIONS - 1) << 12) | \
|
|
((L1D_ASSOCIATIVITY - 1) << 22);
|
|
*ecx = L1D_SETS - 1;
|
|
*edx = CPUID_4_NO_INVD_SHARING;
|
|
break;
|
|
case 1: /* L1 icache info */
|
|
*eax |= CPUID_4_TYPE_ICACHE | \
|
|
CPUID_4_LEVEL(1) | \
|
|
CPUID_4_SELF_INIT_LEVEL;
|
|
*ebx = (L1I_LINE_SIZE - 1) | \
|
|
((L1I_PARTITIONS - 1) << 12) | \
|
|
((L1I_ASSOCIATIVITY - 1) << 22);
|
|
*ecx = L1I_SETS - 1;
|
|
*edx = CPUID_4_NO_INVD_SHARING;
|
|
break;
|
|
case 2: /* L2 cache info */
|
|
*eax |= CPUID_4_TYPE_UNIFIED | \
|
|
CPUID_4_LEVEL(2) | \
|
|
CPUID_4_SELF_INIT_LEVEL;
|
|
if (cs->nr_threads > 1) {
|
|
*eax |= (cs->nr_threads - 1) << 14;
|
|
}
|
|
*ebx = (L2_LINE_SIZE - 1) | \
|
|
((L2_PARTITIONS - 1) << 12) | \
|
|
((L2_ASSOCIATIVITY - 1) << 22);
|
|
*ecx = L2_SETS - 1;
|
|
*edx = CPUID_4_NO_INVD_SHARING;
|
|
break;
|
|
default: /* end of info */
|
|
*eax = 0;
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* QEMU gives out its own APIC IDs, never pass down bits 31..26. */
|
|
if ((*eax & 31) && cs->nr_cores > 1) {
|
|
*eax |= (cs->nr_cores - 1) << 26;
|
|
}
|
|
break;
|
|
case 5:
|
|
/* mwait info: needed for Core compatibility */
|
|
*eax = 0; /* Smallest monitor-line size in bytes */
|
|
*ebx = 0; /* Largest monitor-line size in bytes */
|
|
*ecx = CPUID_MWAIT_EMX | CPUID_MWAIT_IBE;
|
|
*edx = 0;
|
|
break;
|
|
case 6:
|
|
/* Thermal and Power Leaf */
|
|
*eax = 0;
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0;
|
|
break;
|
|
case 7:
|
|
/* Structured Extended Feature Flags Enumeration Leaf */
|
|
if (count == 0) {
|
|
*eax = 0; /* Maximum ECX value for sub-leaves */
|
|
*ebx = env->features[FEAT_7_0_EBX]; /* Feature flags */
|
|
*ecx = 0; /* Reserved */
|
|
*edx = 0; /* Reserved */
|
|
} else {
|
|
*eax = 0;
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0;
|
|
}
|
|
break;
|
|
case 9:
|
|
/* Direct Cache Access Information Leaf */
|
|
*eax = 0; /* Bits 0-31 in DCA_CAP MSR */
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0;
|
|
break;
|
|
case 0xA:
|
|
/* Architectural Performance Monitoring Leaf */
|
|
if (kvm_enabled() && cpu->enable_pmu) {
|
|
KVMState *s = cs->kvm_state;
|
|
|
|
*eax = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EAX);
|
|
*ebx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EBX);
|
|
*ecx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_ECX);
|
|
*edx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EDX);
|
|
} else {
|
|
*eax = 0;
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0;
|
|
}
|
|
break;
|
|
case 0xD: {
|
|
KVMState *s = cs->kvm_state;
|
|
uint64_t kvm_mask;
|
|
int i;
|
|
|
|
/* Processor Extended State */
|
|
*eax = 0;
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0;
|
|
if (!(env->features[FEAT_1_ECX] & CPUID_EXT_XSAVE) || !kvm_enabled()) {
|
|
break;
|
|
}
|
|
kvm_mask =
|
|
kvm_arch_get_supported_cpuid(s, 0xd, 0, R_EAX) |
|
|
((uint64_t)kvm_arch_get_supported_cpuid(s, 0xd, 0, R_EDX) << 32);
|
|
|
|
if (count == 0) {
|
|
*ecx = 0x240;
|
|
for (i = 2; i < ARRAY_SIZE(ext_save_areas); i++) {
|
|
const ExtSaveArea *esa = &ext_save_areas[i];
|
|
if ((env->features[esa->feature] & esa->bits) == esa->bits &&
|
|
(kvm_mask & (1 << i)) != 0) {
|
|
if (i < 32) {
|
|
*eax |= 1 << i;
|
|
} else {
|
|
*edx |= 1 << (i - 32);
|
|
}
|
|
*ecx = MAX(*ecx, esa->offset + esa->size);
|
|
}
|
|
}
|
|
*eax |= kvm_mask & (XSTATE_FP | XSTATE_SSE);
|
|
*ebx = *ecx;
|
|
} else if (count == 1) {
|
|
*eax = kvm_arch_get_supported_cpuid(s, 0xd, 1, R_EAX);
|
|
} else if (count < ARRAY_SIZE(ext_save_areas)) {
|
|
const ExtSaveArea *esa = &ext_save_areas[count];
|
|
if ((env->features[esa->feature] & esa->bits) == esa->bits &&
|
|
(kvm_mask & (1 << count)) != 0) {
|
|
*eax = esa->size;
|
|
*ebx = esa->offset;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case 0x80000000:
|
|
*eax = env->cpuid_xlevel;
|
|
*ebx = env->cpuid_vendor1;
|
|
*edx = env->cpuid_vendor2;
|
|
*ecx = env->cpuid_vendor3;
|
|
break;
|
|
case 0x80000001:
|
|
*eax = env->cpuid_version;
|
|
*ebx = 0;
|
|
*ecx = env->features[FEAT_8000_0001_ECX];
|
|
*edx = env->features[FEAT_8000_0001_EDX];
|
|
|
|
/* The Linux kernel checks for the CMPLegacy bit and
|
|
* discards multiple thread information if it is set.
|
|
* So dont set it here for Intel to make Linux guests happy.
|
|
*/
|
|
if (cs->nr_cores * cs->nr_threads > 1) {
|
|
uint32_t tebx, tecx, tedx;
|
|
get_cpuid_vendor(env, &tebx, &tecx, &tedx);
|
|
if (tebx != CPUID_VENDOR_INTEL_1 ||
|
|
tedx != CPUID_VENDOR_INTEL_2 ||
|
|
tecx != CPUID_VENDOR_INTEL_3) {
|
|
*ecx |= 1 << 1; /* CmpLegacy bit */
|
|
}
|
|
}
|
|
break;
|
|
case 0x80000002:
|
|
case 0x80000003:
|
|
case 0x80000004:
|
|
*eax = env->cpuid_model[(index - 0x80000002) * 4 + 0];
|
|
*ebx = env->cpuid_model[(index - 0x80000002) * 4 + 1];
|
|
*ecx = env->cpuid_model[(index - 0x80000002) * 4 + 2];
|
|
*edx = env->cpuid_model[(index - 0x80000002) * 4 + 3];
|
|
break;
|
|
case 0x80000005:
|
|
/* cache info (L1 cache) */
|
|
if (cpu->cache_info_passthrough) {
|
|
host_cpuid(index, 0, eax, ebx, ecx, edx);
|
|
break;
|
|
}
|
|
*eax = (L1_DTLB_2M_ASSOC << 24) | (L1_DTLB_2M_ENTRIES << 16) | \
|
|
(L1_ITLB_2M_ASSOC << 8) | (L1_ITLB_2M_ENTRIES);
|
|
*ebx = (L1_DTLB_4K_ASSOC << 24) | (L1_DTLB_4K_ENTRIES << 16) | \
|
|
(L1_ITLB_4K_ASSOC << 8) | (L1_ITLB_4K_ENTRIES);
|
|
*ecx = (L1D_SIZE_KB_AMD << 24) | (L1D_ASSOCIATIVITY_AMD << 16) | \
|
|
(L1D_LINES_PER_TAG << 8) | (L1D_LINE_SIZE);
|
|
*edx = (L1I_SIZE_KB_AMD << 24) | (L1I_ASSOCIATIVITY_AMD << 16) | \
|
|
(L1I_LINES_PER_TAG << 8) | (L1I_LINE_SIZE);
|
|
break;
|
|
case 0x80000006:
|
|
/* cache info (L2 cache) */
|
|
if (cpu->cache_info_passthrough) {
|
|
host_cpuid(index, 0, eax, ebx, ecx, edx);
|
|
break;
|
|
}
|
|
*eax = (AMD_ENC_ASSOC(L2_DTLB_2M_ASSOC) << 28) | \
|
|
(L2_DTLB_2M_ENTRIES << 16) | \
|
|
(AMD_ENC_ASSOC(L2_ITLB_2M_ASSOC) << 12) | \
|
|
(L2_ITLB_2M_ENTRIES);
|
|
*ebx = (AMD_ENC_ASSOC(L2_DTLB_4K_ASSOC) << 28) | \
|
|
(L2_DTLB_4K_ENTRIES << 16) | \
|
|
(AMD_ENC_ASSOC(L2_ITLB_4K_ASSOC) << 12) | \
|
|
(L2_ITLB_4K_ENTRIES);
|
|
*ecx = (L2_SIZE_KB_AMD << 16) | \
|
|
(AMD_ENC_ASSOC(L2_ASSOCIATIVITY) << 12) | \
|
|
(L2_LINES_PER_TAG << 8) | (L2_LINE_SIZE);
|
|
*edx = ((L3_SIZE_KB/512) << 18) | \
|
|
(AMD_ENC_ASSOC(L3_ASSOCIATIVITY) << 12) | \
|
|
(L3_LINES_PER_TAG << 8) | (L3_LINE_SIZE);
|
|
break;
|
|
case 0x80000008:
|
|
/* virtual & phys address size in low 2 bytes. */
|
|
/* XXX: This value must match the one used in the MMU code. */
|
|
if (env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM) {
|
|
/* 64 bit processor */
|
|
/* XXX: The physical address space is limited to 42 bits in exec.c. */
|
|
*eax = 0x00003028; /* 48 bits virtual, 40 bits physical */
|
|
} else {
|
|
if (env->features[FEAT_1_EDX] & CPUID_PSE36) {
|
|
*eax = 0x00000024; /* 36 bits physical */
|
|
} else {
|
|
*eax = 0x00000020; /* 32 bits physical */
|
|
}
|
|
}
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0;
|
|
if (cs->nr_cores * cs->nr_threads > 1) {
|
|
*ecx |= (cs->nr_cores * cs->nr_threads) - 1;
|
|
}
|
|
break;
|
|
case 0x8000000A:
|
|
if (env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM) {
|
|
*eax = 0x00000001; /* SVM Revision */
|
|
*ebx = 0x00000010; /* nr of ASIDs */
|
|
*ecx = 0;
|
|
*edx = env->features[FEAT_SVM]; /* optional features */
|
|
} else {
|
|
*eax = 0;
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0;
|
|
}
|
|
break;
|
|
case 0xC0000000:
|
|
*eax = env->cpuid_xlevel2;
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0;
|
|
break;
|
|
case 0xC0000001:
|
|
/* Support for VIA CPU's CPUID instruction */
|
|
*eax = env->cpuid_version;
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = env->features[FEAT_C000_0001_EDX];
|
|
break;
|
|
case 0xC0000002:
|
|
case 0xC0000003:
|
|
case 0xC0000004:
|
|
/* Reserved for the future, and now filled with zero */
|
|
*eax = 0;
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0;
|
|
break;
|
|
default:
|
|
/* reserved values: zero */
|
|
*eax = 0;
|
|
*ebx = 0;
|
|
*ecx = 0;
|
|
*edx = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* CPUClass::reset() */
|
|
static void x86_cpu_reset(CPUState *s)
|
|
{
|
|
X86CPU *cpu = X86_CPU(s);
|
|
X86CPUClass *xcc = X86_CPU_GET_CLASS(cpu);
|
|
CPUX86State *env = &cpu->env;
|
|
int i;
|
|
|
|
xcc->parent_reset(s);
|
|
|
|
memset(env, 0, offsetof(CPUX86State, cpuid_level));
|
|
|
|
tlb_flush(s, 1);
|
|
|
|
env->old_exception = -1;
|
|
|
|
/* init to reset state */
|
|
|
|
#ifdef CONFIG_SOFTMMU
|
|
env->hflags |= HF_SOFTMMU_MASK;
|
|
#endif
|
|
env->hflags2 |= HF2_GIF_MASK;
|
|
|
|
cpu_x86_update_cr0(env, 0x60000010);
|
|
env->a20_mask = ~0x0;
|
|
env->smbase = 0x30000;
|
|
|
|
env->idt.limit = 0xffff;
|
|
env->gdt.limit = 0xffff;
|
|
env->ldt.limit = 0xffff;
|
|
env->ldt.flags = DESC_P_MASK | (2 << DESC_TYPE_SHIFT);
|
|
env->tr.limit = 0xffff;
|
|
env->tr.flags = DESC_P_MASK | (11 << DESC_TYPE_SHIFT);
|
|
|
|
cpu_x86_load_seg_cache(env, R_CS, 0xf000, 0xffff0000, 0xffff,
|
|
DESC_P_MASK | DESC_S_MASK | DESC_CS_MASK |
|
|
DESC_R_MASK | DESC_A_MASK);
|
|
cpu_x86_load_seg_cache(env, R_DS, 0, 0, 0xffff,
|
|
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
|
|
DESC_A_MASK);
|
|
cpu_x86_load_seg_cache(env, R_ES, 0, 0, 0xffff,
|
|
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
|
|
DESC_A_MASK);
|
|
cpu_x86_load_seg_cache(env, R_SS, 0, 0, 0xffff,
|
|
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
|
|
DESC_A_MASK);
|
|
cpu_x86_load_seg_cache(env, R_FS, 0, 0, 0xffff,
|
|
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
|
|
DESC_A_MASK);
|
|
cpu_x86_load_seg_cache(env, R_GS, 0, 0, 0xffff,
|
|
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
|
|
DESC_A_MASK);
|
|
|
|
env->eip = 0xfff0;
|
|
env->regs[R_EDX] = env->cpuid_version;
|
|
|
|
env->eflags = 0x2;
|
|
|
|
/* FPU init */
|
|
for (i = 0; i < 8; i++) {
|
|
env->fptags[i] = 1;
|
|
}
|
|
env->fpuc = 0x37f;
|
|
|
|
env->mxcsr = 0x1f80;
|
|
env->xstate_bv = XSTATE_FP | XSTATE_SSE;
|
|
|
|
env->pat = 0x0007040600070406ULL;
|
|
env->msr_ia32_misc_enable = MSR_IA32_MISC_ENABLE_DEFAULT;
|
|
|
|
memset(env->dr, 0, sizeof(env->dr));
|
|
env->dr[6] = DR6_FIXED_1;
|
|
env->dr[7] = DR7_FIXED_1;
|
|
cpu_breakpoint_remove_all(s, BP_CPU);
|
|
cpu_watchpoint_remove_all(s, BP_CPU);
|
|
|
|
env->xcr0 = 1;
|
|
|
|
#if !defined(CONFIG_USER_ONLY)
|
|
/* We hard-wire the BSP to the first CPU. */
|
|
if (s->cpu_index == 0) {
|
|
apic_designate_bsp(cpu->apic_state);
|
|
}
|
|
|
|
s->halted = !cpu_is_bsp(cpu);
|
|
|
|
if (kvm_enabled()) {
|
|
kvm_arch_reset_vcpu(cpu);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
#ifndef CONFIG_USER_ONLY
|
|
bool cpu_is_bsp(X86CPU *cpu)
|
|
{
|
|
return cpu_get_apic_base(cpu->apic_state) & MSR_IA32_APICBASE_BSP;
|
|
}
|
|
|
|
/* TODO: remove me, when reset over QOM tree is implemented */
|
|
static void x86_cpu_machine_reset_cb(void *opaque)
|
|
{
|
|
X86CPU *cpu = opaque;
|
|
cpu_reset(CPU(cpu));
|
|
}
|
|
#endif
|
|
|
|
static void mce_init(X86CPU *cpu)
|
|
{
|
|
CPUX86State *cenv = &cpu->env;
|
|
unsigned int bank;
|
|
|
|
if (((cenv->cpuid_version >> 8) & 0xf) >= 6
|
|
&& (cenv->features[FEAT_1_EDX] & (CPUID_MCE | CPUID_MCA)) ==
|
|
(CPUID_MCE | CPUID_MCA)) {
|
|
cenv->mcg_cap = MCE_CAP_DEF | MCE_BANKS_DEF;
|
|
cenv->mcg_ctl = ~(uint64_t)0;
|
|
for (bank = 0; bank < MCE_BANKS_DEF; bank++) {
|
|
cenv->mce_banks[bank * 4] = ~(uint64_t)0;
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifndef CONFIG_USER_ONLY
|
|
static void x86_cpu_apic_create(X86CPU *cpu, Error **errp)
|
|
{
|
|
CPUX86State *env = &cpu->env;
|
|
DeviceState *dev = DEVICE(cpu);
|
|
APICCommonState *apic;
|
|
const char *apic_type = "apic";
|
|
|
|
if (kvm_irqchip_in_kernel()) {
|
|
apic_type = "kvm-apic";
|
|
} else if (xen_enabled()) {
|
|
apic_type = "xen-apic";
|
|
}
|
|
|
|
cpu->apic_state = qdev_try_create(qdev_get_parent_bus(dev), apic_type);
|
|
if (cpu->apic_state == NULL) {
|
|
error_setg(errp, "APIC device '%s' could not be created", apic_type);
|
|
return;
|
|
}
|
|
|
|
object_property_add_child(OBJECT(cpu), "apic",
|
|
OBJECT(cpu->apic_state), NULL);
|
|
qdev_prop_set_uint8(cpu->apic_state, "id", env->cpuid_apic_id);
|
|
/* TODO: convert to link<> */
|
|
apic = APIC_COMMON(cpu->apic_state);
|
|
apic->cpu = cpu;
|
|
}
|
|
|
|
static void x86_cpu_apic_realize(X86CPU *cpu, Error **errp)
|
|
{
|
|
if (cpu->apic_state == NULL) {
|
|
return;
|
|
}
|
|
|
|
if (qdev_init(cpu->apic_state)) {
|
|
error_setg(errp, "APIC device '%s' could not be initialized",
|
|
object_get_typename(OBJECT(cpu->apic_state)));
|
|
return;
|
|
}
|
|
}
|
|
#else
|
|
static void x86_cpu_apic_realize(X86CPU *cpu, Error **errp)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
static void x86_cpu_realizefn(DeviceState *dev, Error **errp)
|
|
{
|
|
CPUState *cs = CPU(dev);
|
|
X86CPU *cpu = X86_CPU(dev);
|
|
X86CPUClass *xcc = X86_CPU_GET_CLASS(dev);
|
|
CPUX86State *env = &cpu->env;
|
|
Error *local_err = NULL;
|
|
|
|
if (env->features[FEAT_7_0_EBX] && env->cpuid_level < 7) {
|
|
env->cpuid_level = 7;
|
|
}
|
|
|
|
/* On AMD CPUs, some CPUID[8000_0001].EDX bits must match the bits on
|
|
* CPUID[1].EDX.
|
|
*/
|
|
if (env->cpuid_vendor1 == CPUID_VENDOR_AMD_1 &&
|
|
env->cpuid_vendor2 == CPUID_VENDOR_AMD_2 &&
|
|
env->cpuid_vendor3 == CPUID_VENDOR_AMD_3) {
|
|
env->features[FEAT_8000_0001_EDX] &= ~CPUID_EXT2_AMD_ALIASES;
|
|
env->features[FEAT_8000_0001_EDX] |= (env->features[FEAT_1_EDX]
|
|
& CPUID_EXT2_AMD_ALIASES);
|
|
}
|
|
|
|
if (!kvm_enabled()) {
|
|
env->features[FEAT_1_EDX] &= TCG_FEATURES;
|
|
env->features[FEAT_1_ECX] &= TCG_EXT_FEATURES;
|
|
env->features[FEAT_8000_0001_EDX] &= (TCG_EXT2_FEATURES
|
|
#ifdef TARGET_X86_64
|
|
| CPUID_EXT2_SYSCALL | CPUID_EXT2_LM
|
|
#endif
|
|
);
|
|
env->features[FEAT_8000_0001_ECX] &= TCG_EXT3_FEATURES;
|
|
env->features[FEAT_SVM] &= TCG_SVM_FEATURES;
|
|
} else {
|
|
KVMState *s = kvm_state;
|
|
if ((cpu->check_cpuid || cpu->enforce_cpuid)
|
|
&& kvm_check_features_against_host(s, cpu) && cpu->enforce_cpuid) {
|
|
error_setg(&local_err,
|
|
"Host's CPU doesn't support requested features");
|
|
goto out;
|
|
}
|
|
filter_features_for_kvm(cpu);
|
|
}
|
|
|
|
#ifndef CONFIG_USER_ONLY
|
|
qemu_register_reset(x86_cpu_machine_reset_cb, cpu);
|
|
|
|
if (cpu->env.features[FEAT_1_EDX] & CPUID_APIC || smp_cpus > 1) {
|
|
x86_cpu_apic_create(cpu, &local_err);
|
|
if (local_err != NULL) {
|
|
goto out;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
mce_init(cpu);
|
|
qemu_init_vcpu(cs);
|
|
|
|
x86_cpu_apic_realize(cpu, &local_err);
|
|
if (local_err != NULL) {
|
|
goto out;
|
|
}
|
|
cpu_reset(cs);
|
|
|
|
xcc->parent_realize(dev, &local_err);
|
|
out:
|
|
if (local_err != NULL) {
|
|
error_propagate(errp, local_err);
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* Enables contiguous-apic-ID mode, for compatibility */
|
|
static bool compat_apic_id_mode;
|
|
|
|
void enable_compat_apic_id_mode(void)
|
|
{
|
|
compat_apic_id_mode = true;
|
|
}
|
|
|
|
/* Calculates initial APIC ID for a specific CPU index
|
|
*
|
|
* Currently we need to be able to calculate the APIC ID from the CPU index
|
|
* alone (without requiring a CPU object), as the QEMU<->Seabios interfaces have
|
|
* no concept of "CPU index", and the NUMA tables on fw_cfg need the APIC ID of
|
|
* all CPUs up to max_cpus.
|
|
*/
|
|
uint32_t x86_cpu_apic_id_from_index(unsigned int cpu_index)
|
|
{
|
|
uint32_t correct_id;
|
|
static bool warned;
|
|
|
|
correct_id = x86_apicid_from_cpu_idx(smp_cores, smp_threads, cpu_index);
|
|
if (compat_apic_id_mode) {
|
|
if (cpu_index != correct_id && !warned) {
|
|
error_report("APIC IDs set in compatibility mode, "
|
|
"CPU topology won't match the configuration");
|
|
warned = true;
|
|
}
|
|
return cpu_index;
|
|
} else {
|
|
return correct_id;
|
|
}
|
|
}
|
|
|
|
static void x86_cpu_initfn(Object *obj)
|
|
{
|
|
CPUState *cs = CPU(obj);
|
|
X86CPU *cpu = X86_CPU(obj);
|
|
X86CPUClass *xcc = X86_CPU_GET_CLASS(obj);
|
|
CPUX86State *env = &cpu->env;
|
|
static int inited;
|
|
|
|
cs->env_ptr = env;
|
|
cpu_exec_init(env);
|
|
|
|
object_property_add(obj, "family", "int",
|
|
x86_cpuid_version_get_family,
|
|
x86_cpuid_version_set_family, NULL, NULL, NULL);
|
|
object_property_add(obj, "model", "int",
|
|
x86_cpuid_version_get_model,
|
|
x86_cpuid_version_set_model, NULL, NULL, NULL);
|
|
object_property_add(obj, "stepping", "int",
|
|
x86_cpuid_version_get_stepping,
|
|
x86_cpuid_version_set_stepping, NULL, NULL, NULL);
|
|
object_property_add(obj, "level", "int",
|
|
x86_cpuid_get_level,
|
|
x86_cpuid_set_level, NULL, NULL, NULL);
|
|
object_property_add(obj, "xlevel", "int",
|
|
x86_cpuid_get_xlevel,
|
|
x86_cpuid_set_xlevel, NULL, NULL, NULL);
|
|
object_property_add_str(obj, "vendor",
|
|
x86_cpuid_get_vendor,
|
|
x86_cpuid_set_vendor, NULL);
|
|
object_property_add_str(obj, "model-id",
|
|
x86_cpuid_get_model_id,
|
|
x86_cpuid_set_model_id, NULL);
|
|
object_property_add(obj, "tsc-frequency", "int",
|
|
x86_cpuid_get_tsc_freq,
|
|
x86_cpuid_set_tsc_freq, NULL, NULL, NULL);
|
|
object_property_add(obj, "apic-id", "int",
|
|
x86_cpuid_get_apic_id,
|
|
x86_cpuid_set_apic_id, NULL, NULL, NULL);
|
|
object_property_add(obj, "feature-words", "X86CPUFeatureWordInfo",
|
|
x86_cpu_get_feature_words,
|
|
NULL, NULL, (void *)env->features, NULL);
|
|
object_property_add(obj, "filtered-features", "X86CPUFeatureWordInfo",
|
|
x86_cpu_get_feature_words,
|
|
NULL, NULL, (void *)cpu->filtered_features, NULL);
|
|
|
|
cpu->hyperv_spinlock_attempts = HYPERV_SPINLOCK_NEVER_RETRY;
|
|
env->cpuid_apic_id = x86_cpu_apic_id_from_index(cs->cpu_index);
|
|
|
|
x86_cpu_load_def(cpu, xcc->cpu_def, &error_abort);
|
|
|
|
/* init various static tables used in TCG mode */
|
|
if (tcg_enabled() && !inited) {
|
|
inited = 1;
|
|
optimize_flags_init();
|
|
#ifndef CONFIG_USER_ONLY
|
|
cpu_set_debug_excp_handler(breakpoint_handler);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
static int64_t x86_cpu_get_arch_id(CPUState *cs)
|
|
{
|
|
X86CPU *cpu = X86_CPU(cs);
|
|
CPUX86State *env = &cpu->env;
|
|
|
|
return env->cpuid_apic_id;
|
|
}
|
|
|
|
static bool x86_cpu_get_paging_enabled(const CPUState *cs)
|
|
{
|
|
X86CPU *cpu = X86_CPU(cs);
|
|
|
|
return cpu->env.cr[0] & CR0_PG_MASK;
|
|
}
|
|
|
|
static void x86_cpu_set_pc(CPUState *cs, vaddr value)
|
|
{
|
|
X86CPU *cpu = X86_CPU(cs);
|
|
|
|
cpu->env.eip = value;
|
|
}
|
|
|
|
static void x86_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb)
|
|
{
|
|
X86CPU *cpu = X86_CPU(cs);
|
|
|
|
cpu->env.eip = tb->pc - tb->cs_base;
|
|
}
|
|
|
|
static bool x86_cpu_has_work(CPUState *cs)
|
|
{
|
|
X86CPU *cpu = X86_CPU(cs);
|
|
CPUX86State *env = &cpu->env;
|
|
|
|
return ((cs->interrupt_request & (CPU_INTERRUPT_HARD |
|
|
CPU_INTERRUPT_POLL)) &&
|
|
(env->eflags & IF_MASK)) ||
|
|
(cs->interrupt_request & (CPU_INTERRUPT_NMI |
|
|
CPU_INTERRUPT_INIT |
|
|
CPU_INTERRUPT_SIPI |
|
|
CPU_INTERRUPT_MCE));
|
|
}
|
|
|
|
static Property x86_cpu_properties[] = {
|
|
DEFINE_PROP_BOOL("pmu", X86CPU, enable_pmu, false),
|
|
{ .name = "hv-spinlocks", .info = &qdev_prop_spinlocks },
|
|
DEFINE_PROP_BOOL("hv-relaxed", X86CPU, hyperv_relaxed_timing, false),
|
|
DEFINE_PROP_BOOL("hv-vapic", X86CPU, hyperv_vapic, false),
|
|
DEFINE_PROP_BOOL("hv-time", X86CPU, hyperv_time, false),
|
|
DEFINE_PROP_BOOL("check", X86CPU, check_cpuid, false),
|
|
DEFINE_PROP_BOOL("enforce", X86CPU, enforce_cpuid, false),
|
|
DEFINE_PROP_END_OF_LIST()
|
|
};
|
|
|
|
static void x86_cpu_common_class_init(ObjectClass *oc, void *data)
|
|
{
|
|
X86CPUClass *xcc = X86_CPU_CLASS(oc);
|
|
CPUClass *cc = CPU_CLASS(oc);
|
|
DeviceClass *dc = DEVICE_CLASS(oc);
|
|
|
|
xcc->parent_realize = dc->realize;
|
|
dc->realize = x86_cpu_realizefn;
|
|
dc->bus_type = TYPE_ICC_BUS;
|
|
dc->props = x86_cpu_properties;
|
|
|
|
xcc->parent_reset = cc->reset;
|
|
cc->reset = x86_cpu_reset;
|
|
cc->reset_dump_flags = CPU_DUMP_FPU | CPU_DUMP_CCOP;
|
|
|
|
cc->class_by_name = x86_cpu_class_by_name;
|
|
cc->parse_features = x86_cpu_parse_featurestr;
|
|
cc->has_work = x86_cpu_has_work;
|
|
cc->do_interrupt = x86_cpu_do_interrupt;
|
|
cc->dump_state = x86_cpu_dump_state;
|
|
cc->set_pc = x86_cpu_set_pc;
|
|
cc->synchronize_from_tb = x86_cpu_synchronize_from_tb;
|
|
cc->gdb_read_register = x86_cpu_gdb_read_register;
|
|
cc->gdb_write_register = x86_cpu_gdb_write_register;
|
|
cc->get_arch_id = x86_cpu_get_arch_id;
|
|
cc->get_paging_enabled = x86_cpu_get_paging_enabled;
|
|
#ifdef CONFIG_USER_ONLY
|
|
cc->handle_mmu_fault = x86_cpu_handle_mmu_fault;
|
|
#else
|
|
cc->get_memory_mapping = x86_cpu_get_memory_mapping;
|
|
cc->get_phys_page_debug = x86_cpu_get_phys_page_debug;
|
|
cc->write_elf64_note = x86_cpu_write_elf64_note;
|
|
cc->write_elf64_qemunote = x86_cpu_write_elf64_qemunote;
|
|
cc->write_elf32_note = x86_cpu_write_elf32_note;
|
|
cc->write_elf32_qemunote = x86_cpu_write_elf32_qemunote;
|
|
cc->vmsd = &vmstate_x86_cpu;
|
|
#endif
|
|
cc->gdb_num_core_regs = CPU_NB_REGS * 2 + 25;
|
|
}
|
|
|
|
static const TypeInfo x86_cpu_type_info = {
|
|
.name = TYPE_X86_CPU,
|
|
.parent = TYPE_CPU,
|
|
.instance_size = sizeof(X86CPU),
|
|
.instance_init = x86_cpu_initfn,
|
|
.abstract = true,
|
|
.class_size = sizeof(X86CPUClass),
|
|
.class_init = x86_cpu_common_class_init,
|
|
};
|
|
|
|
static void x86_cpu_register_types(void)
|
|
{
|
|
int i;
|
|
|
|
type_register_static(&x86_cpu_type_info);
|
|
for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) {
|
|
x86_register_cpudef_type(&builtin_x86_defs[i]);
|
|
}
|
|
#ifdef CONFIG_KVM
|
|
type_register_static(&host_x86_cpu_type_info);
|
|
#endif
|
|
}
|
|
|
|
type_init(x86_cpu_register_types)
|