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Bochs/bochs/cpu/cpudb/zambezi.cc

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/////////////////////////////////////////////////////////////////////////
// $Id$
/////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2012-2014 Stanislav Shwartsman
// Written by Stanislav Shwartsman [sshwarts at sourceforge net]
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA B 02110-1301 USA
//
/////////////////////////////////////////////////////////////////////////
#include "bochs.h"
#include "cpu.h"
#include "param_names.h"
#include "zambezi.h"
#define LOG_THIS cpu->
#if BX_SUPPORT_X86_64 && BX_SUPPORT_AVX
zambezi_t::zambezi_t(BX_CPU_C *cpu): bx_cpuid_t(cpu)
{
if (! BX_SUPPORT_X86_64)
BX_PANIC(("You must enable x86-64 for AMD FX-4100 (Zambezi) configuration"));
BX_INFO(("WARNING: Light Weight Profiling (LWP) support is not implemented !"));
if (! BX_SUPPORT_SVM)
BX_INFO(("WARNING: SVM support is not compiled in !"));
if (! BX_SUPPORT_MONITOR_MWAIT)
BX_INFO(("WARNING: MONITOR/MWAIT support is not compiled in !"));
static Bit8u supported_extensions[] = {
BX_ISA_X87,
BX_ISA_486,
BX_ISA_PENTIUM,
BX_ISA_P6,
BX_ISA_MMX,
BX_ISA_SYSCALL_SYSRET_LEGACY,
BX_ISA_SYSENTER_SYSEXIT,
BX_ISA_CLFLUSH,
BX_ISA_DEBUG_EXTENSIONS,
BX_ISA_VME,
BX_ISA_PSE,
BX_ISA_PAE,
BX_ISA_PGE,
#if BX_PHY_ADDRESS_LONG
BX_ISA_PSE36,
#endif
BX_ISA_MTRR,
BX_ISA_PAT,
BX_ISA_XAPIC,
BX_ISA_LONG_MODE,
BX_ISA_LM_LAHF_SAHF,
BX_ISA_CMPXCHG16B,
BX_ISA_NX,
BX_ISA_SSE,
BX_ISA_SSE2,
BX_ISA_SSE3,
BX_ISA_SSSE3,
BX_ISA_SSE4_1,
BX_ISA_SSE4_2,
BX_ISA_LZCNT,
BX_ISA_POPCNT,
BX_ISA_SSE4A,
#if BX_SUPPORT_MONITOR_MWAIT
BX_ISA_MONITOR_MWAIT,
#endif
BX_ISA_RDTSCP,
BX_ISA_XSAVE,
BX_ISA_AES_PCLMULQDQ,
BX_ISA_AVX,
BX_ISA_FMA4,
BX_ISA_XOP,
#if BX_SUPPORT_SVM
BX_ISA_SVM,
#endif
BX_ISA_FFXSR,
BX_ISA_1G_PAGES,
BX_ISA_MISALIGNED_SSE,
BX_ISA_ALT_MOV_CR8,
BX_ISA_XAPIC_EXT,
BX_ISA_EXTENSION_LAST
};
register_cpu_extensions(supported_extensions);
}
void zambezi_t::get_cpuid_leaf(Bit32u function, Bit32u subfunction, cpuid_function_t *leaf) const
{
static const char* brand_string = "AMD FX(tm)-4100 Quad-Core Processor ";
static bx_bool cpuid_limit_winnt = SIM->get_param_bool(BXPN_CPUID_LIMIT_WINNT)->get();
if (cpuid_limit_winnt)
if (function > 1 && function < 0x80000000) function = 1;
switch(function) {
case 0x80000000:
get_ext_cpuid_leaf_0(leaf);
return;
case 0x80000001:
get_ext_cpuid_leaf_1(leaf);
return;
case 0x80000002:
case 0x80000003:
case 0x80000004:
get_ext_cpuid_brand_string_leaf(brand_string, function, leaf);
return;
case 0x80000005:
get_ext_cpuid_leaf_5(leaf);
return;
case 0x80000006:
get_ext_cpuid_leaf_6(leaf);
return;
case 0x80000007:
get_ext_cpuid_leaf_7(leaf);
return;
case 0x80000008:
get_ext_cpuid_leaf_8(leaf);
return;
#if BX_SUPPORT_SVM
case 0x8000000A:
get_ext_cpuid_leaf_A(leaf);
return;
#endif
case 0x80000019:
get_ext_cpuid_leaf_19(leaf);
return;
case 0x8000001A:
get_ext_cpuid_leaf_1A(leaf);
return;
case 0x8000001B:
get_ext_cpuid_leaf_1B(leaf);
return;
case 0x8000001C:
get_ext_cpuid_leaf_1C(leaf);
return;
case 0x8000001D:
get_ext_cpuid_leaf_1D(subfunction, leaf);
return;
case 0x8000001E:
get_ext_cpuid_leaf_1E(leaf);
return;
case 0x00000000:
get_std_cpuid_leaf_0(leaf);
return;
case 0x00000001:
get_std_cpuid_leaf_1(leaf);
return;
#if BX_SUPPORT_MONITOR_MWAIT
case 0x00000005:
get_std_cpuid_leaf_5(leaf);
return;
#endif
case 0x00000006:
get_std_cpuid_leaf_6(leaf);
return;
case 0x0000000D:
get_std_cpuid_xsave_leaf(subfunction, leaf);
return;
default:
get_reserved_leaf(leaf);
return;
}
}
#if BX_SUPPORT_SVM
Bit32u zambezi_t::get_svm_extensions_bitmask(void) const
{
return BX_CPUID_SVM_NESTED_PAGING |
BX_CPUID_SVM_LBR_VIRTUALIZATION |
BX_CPUID_SVM_SVM_LOCK |
BX_CPUID_SVM_NRIP_SAVE |
// BX_CPUID_SVM_TSCRATE | // not implemented yet
// BX_CPUID_SVM_VMCB_CLEAN_BITS | // not implemented yet
BX_CPUID_SVM_FLUSH_BY_ASID |
// BX_CPUID_SVM_DECODE_ASSIST | // not implemented yet
BX_CPUID_SVM_PAUSE_FILTER; // not implemented yet
// BX_CPUID_SVM_PAUSE_FILTER_THRESHOLD; // not implemented yet
}
#endif
// leaf 0x00000000 //
void zambezi_t::get_std_cpuid_leaf_0(cpuid_function_t *leaf) const
{
static const char* vendor_string = "AuthenticAMD";
// EAX: highest std function understood by CPUID
// EBX: vendor ID string
// EDX: vendor ID string
// ECX: vendor ID string
static bx_bool cpuid_limit_winnt = SIM->get_param_bool(BXPN_CPUID_LIMIT_WINNT)->get();
if (cpuid_limit_winnt) {
leaf->eax = 0x1;
}
else {
leaf->eax = 0xd;
}
// CPUID vendor string (e.g. GenuineIntel, AuthenticAMD, CentaurHauls, ...)
memcpy(&(leaf->ebx), vendor_string, 4);
memcpy(&(leaf->edx), vendor_string + 4, 4);
memcpy(&(leaf->ecx), vendor_string + 8, 4);
#ifdef BX_BIG_ENDIAN
leaf->ebx = bx_bswap32(leaf->ebx);
leaf->ecx = bx_bswap32(leaf->ecx);
leaf->edx = bx_bswap32(leaf->edx);
#endif
}
// leaf 0x00000001 //
void zambezi_t::get_std_cpuid_leaf_1(cpuid_function_t *leaf) const
{
// EAX: CPU Version Information
// [3:0] Stepping ID
// [7:4] Model: starts at 1
// [11:8] Family: 4=486, 5=Pentium, 6=PPro, ...
// [13:12] Type: 0=OEM, 1=overdrive, 2=dual cpu, 3=reserved
// [19:16] Extended Model
// [27:20] Extended Family
leaf->eax = 0x00600F12;
// EBX:
// [7:0] Brand ID
// [15:8] CLFLUSH cache line size (value*8 = cache line size in bytes)
// [23:16] Number of logical processors in one physical processor
// [31:24] Local Apic ID
unsigned n_logical_processors = ncores*nthreads;
leaf->ebx = ((CACHE_LINE_SIZE / 8) << 8) |
(n_logical_processors << 16);
#if BX_SUPPORT_APIC
leaf->ebx |= ((cpu->get_apic_id() & 0xff) << 24);
#endif
// ECX: Extended Feature Flags
// * [0:0] SSE3: SSE3 Instructions
// * [1:1] PCLMULQDQ Instruction support
// [2:2] DTES64: 64-bit DS area
// * [3:3] MONITOR/MWAIT support
// [4:4] DS-CPL: CPL qualified debug store
// [5:5] VMX: Virtual Machine Technology
// [6:6] SMX: Secure Virtual Machine Technology
// [7:7] EST: Enhanced Intel SpeedStep Technology
// [8:8] TM2: Thermal Monitor 2
// * [9:9] SSSE3: SSSE3 Instructions
// [10:10] CNXT-ID: L1 context ID
// [11:11] reserved
// [12:12] FMA Instructions support
// * [13:13] CMPXCHG16B: CMPXCHG16B instruction support
// [14:14] xTPR update control
// [15:15] PDCM - Perfon and Debug Capability MSR
// [16:16] reserved
// [17:17] PCID: Process Context Identifiers
// [18:18] DCA - Direct Cache Access
// * [19:19] SSE4.1 Instructions
// * [20:20] SSE4.2 Instructions
// [21:21] X2APIC
// [22:22] MOVBE instruction
// * [23:23] POPCNT instruction
// [24:24] TSC Deadline
// * [25:25] AES Instructions
// * [26:26] XSAVE extensions support
// * [27:27] OSXSAVE support
// * [28:28] AVX extensions support
// [29:29] AVX F16C - Float16 conversion support
// [30:30] RDRAND instruction
// [31:31] reserved
leaf->ecx = BX_CPUID_EXT_SSE3 |
BX_CPUID_EXT_PCLMULQDQ |
#if BX_SUPPORT_MONITOR_MWAIT
BX_CPUID_EXT_MONITOR_MWAIT |
#endif
BX_CPUID_EXT_SSSE3 |
BX_CPUID_EXT_CMPXCHG16B |
BX_CPUID_EXT_SSE4_1 |
BX_CPUID_EXT_SSE4_2 |
BX_CPUID_EXT_POPCNT |
BX_CPUID_EXT_AES |
BX_CPUID_EXT_XSAVE |
BX_CPUID_EXT_AVX;
if (cpu->cr4.get_OSXSAVE())
leaf->ecx |= BX_CPUID_EXT_OSXSAVE;
// EDX: Standard Feature Flags
// * [0:0] FPU on chip
// * [1:1] VME: Virtual-8086 Mode enhancements
// * [2:2] DE: Debug Extensions (I/O breakpoints)
// * [3:3] PSE: Page Size Extensions
// * [4:4] TSC: Time Stamp Counter
// * [5:5] MSR: RDMSR and WRMSR support
// * [6:6] PAE: Physical Address Extensions
// * [7:7] MCE: Machine Check Exception
// * [8:8] CXS: CMPXCHG8B instruction
// * [9:9] APIC: APIC on Chip
// [10:10] Reserved
// * [11:11] SYSENTER/SYSEXIT support
// * [12:12] MTRR: Memory Type Range Reg
// * [13:13] PGE/PTE Global Bit
// * [14:14] MCA: Machine Check Architecture
// * [15:15] CMOV: Cond Mov/Cmp Instructions
// * [16:16] PAT: Page Attribute Table
// * [17:17] PSE-36: Physical Address Extensions
// [18:18] PSN: Processor Serial Number
// * [19:19] CLFLUSH: CLFLUSH Instruction support
// [20:20] Reserved
// [21:21] DS: Debug Store
// [22:22] ACPI: Thermal Monitor and Software Controlled Clock Facilities
// * [23:23] MMX Technology
// * [24:24] FXSR: FXSAVE/FXRSTOR (also indicates CR4.OSFXSR is available)
// * [25:25] SSE: SSE Extensions
// * [26:26] SSE2: SSE2 Extensions
// [27:27] Self Snoop
// * [28:28] Hyper Threading Technology
// [29:29] TM: Thermal Monitor
// [30:30] Reserved
// [31:31] PBE: Pending Break Enable
leaf->edx = BX_CPUID_STD_X87 |
BX_CPUID_STD_VME |
BX_CPUID_STD_DEBUG_EXTENSIONS |
BX_CPUID_STD_PSE |
BX_CPUID_STD_TSC |
BX_CPUID_STD_MSR |
BX_CPUID_STD_PAE |
BX_CPUID_STD_MCE |
BX_CPUID_STD_CMPXCHG8B |
BX_CPUID_STD_SYSENTER_SYSEXIT |
BX_CPUID_STD_MTRR |
BX_CPUID_STD_GLOBAL_PAGES |
BX_CPUID_STD_MCA |
BX_CPUID_STD_CMOV |
BX_CPUID_STD_PAT |
BX_CPUID_STD_PSE36 |
BX_CPUID_STD_CLFLUSH |
BX_CPUID_STD_MMX |
BX_CPUID_STD_FXSAVE_FXRSTOR |
BX_CPUID_STD_SSE |
BX_CPUID_STD_SSE2 |
BX_CPUID_STD_HT;
#if BX_SUPPORT_APIC
// if MSR_APICBASE APIC Global Enable bit has been cleared,
// the CPUID feature flag for the APIC is set to 0.
if (cpu->msr.apicbase & 0x800)
leaf->edx |= BX_CPUID_STD_APIC; // APIC on chip
#endif
}
#if BX_SUPPORT_MONITOR_MWAIT
// leaf 0x00000005 //
void zambezi_t::get_std_cpuid_leaf_5(cpuid_function_t *leaf) const
{
// CPUID function 0x00000005 - MONITOR/MWAIT Leaf
// EAX - Smallest monitor-line size in bytes
// EBX - Largest monitor-line size in bytes
// ECX -
// [31:2] - reserved
// [1:1] - exit MWAIT even with EFLAGS.IF = 0
// [0:0] - MONITOR/MWAIT extensions are supported
// EDX -
// [03-00] - number of C0 sub C-states supported using MWAIT
// [07-04] - number of C1 sub C-states supported using MWAIT
// [11-08] - number of C2 sub C-states supported using MWAIT
// [15-12] - number of C3 sub C-states supported using MWAIT
// [19-16] - number of C4 sub C-states supported using MWAIT
// [31-20] - reserved (MBZ)
leaf->eax = CACHE_LINE_SIZE;
leaf->ebx = CACHE_LINE_SIZE;
leaf->ecx = 3;
leaf->edx = 0;
}
#endif
// leaf 0x00000006 //
void zambezi_t::get_std_cpuid_leaf_6(cpuid_function_t *leaf) const
{
// CPUID function 0x00000006 - Thermal and Power Management Leaf
leaf->eax = 0x00000000;
leaf->ebx = 0x00000000;
leaf->ecx = 0x00000001;
leaf->edx = 0x00000000;
}
// leaf 0x0000000D //
void zambezi_t::get_std_cpuid_xsave_leaf(Bit32u subfunction, cpuid_function_t *leaf) const
{
switch(subfunction) {
// EAX - valid bits of XCR0 (lower part)
// EBX - Maximum size (in bytes) required by enabled features
// ECX - Maximum size (in bytes) required by CPU supported features
// EDX - valid bits of XCR0 (upper part)
leaf->eax = cpu->xcr0_suppmask;
leaf->ebx = 512+64;
if (cpu->xcr0.get_YMM())
leaf->ebx = XSAVE_YMM_STATE_OFFSET + XSAVE_YMM_STATE_LEN;
leaf->ecx = XSAVE_YMM_STATE_OFFSET + XSAVE_YMM_STATE_LEN;
leaf->edx = 0;
return;
case 1:
leaf->eax = 0; /* XSAVEOPT not supported */
leaf->ebx = 0;
leaf->ecx = 0;
leaf->edx = 0;
return;
case 2: // YMM leaf
leaf->eax = XSAVE_YMM_STATE_LEN;
leaf->ebx = XSAVE_YMM_STATE_OFFSET;
leaf->ecx = 0;
leaf->edx = 0;
return;
default:
break;
}
leaf->eax = 0; // reserved
leaf->ebx = 0; // reserved
leaf->ecx = 0; // reserved
leaf->edx = 0; // reserved
}
// leaf 0x80000000 //
void zambezi_t::get_ext_cpuid_leaf_0(cpuid_function_t *leaf) const
{
static const char* vendor_string = "AuthenticAMD";
// EAX: highest extended function understood by CPUID
// EBX: reserved
// EDX: reserved
// ECX: reserved
leaf->eax = 0x8000001E;
memcpy(&(leaf->ebx), vendor_string, 4);
memcpy(&(leaf->edx), vendor_string + 4, 4);
memcpy(&(leaf->ecx), vendor_string + 8, 4);
#ifdef BX_BIG_ENDIAN
leaf->ebx = bx_bswap32(leaf->ebx);
leaf->ecx = bx_bswap32(leaf->ecx);
leaf->edx = bx_bswap32(leaf->edx);
#endif
}
// leaf 0x80000001 //
void zambezi_t::get_ext_cpuid_leaf_1(cpuid_function_t *leaf) const
{
// EAX: CPU Version Information (same as 0x00000001.EAX)
leaf->eax = 0x00600f12;
// EBX:
// [15:00] Brand ID
// [27:16] Reserved
// [31:28] Package Type
leaf->ebx = 0x10000000;
// ECX:
// * [0:0] LAHF/SAHF instructions support in 64-bit mode
// * [1:1] CMP_Legacy: Core multi-processing legacy mode (AMD)
// * [2:2] SVM: Secure Virtual Machine (AMD)
// * [3:3] Extended APIC Space
// * [4:4] AltMovCR8: LOCK MOV CR0 means MOV CR8
// * [5:5] LZCNT: LZCNT instruction support
// * [6:6] SSE4A: SSE4A Instructions support
// * [7:7] Misaligned SSE support
// * [8:8] PREFETCHW: PREFETCHW instruction support
// * [9:9] OSVW: OS visible workarounds (AMD)
// * [10:10] IBS: Instruction based sampling
// * [11:11] XOP: Extended Operations Support and XOP Prefix
// ! [12:12] SKINIT support
// * [13:13] WDT: Watchdog timer support
// [14:14] Reserved
// ! [15:15] LWP: Light weight profiling
// * [16:16] FMA4: Four-operand FMA instructions support
// [17:17] Reserved
// [18:18] Reserved
// * [19:19] NodeId: Indicates support for NodeId MSR (0xc001100c)
// [20:20] Reserved
// [21:21] TBM: trailing bit manipulation instructions support
// * [22:22] Topology extensions support
// * [23:23] PerfCtrExtCore: core perf counter extensions support
// * [24:24] PerfCtrExtNB: NB perf counter extensions support
// [31:25] Reserved
leaf->ecx = BX_CPUID_EXT2_LAHF_SAHF |
BX_CPUID_EXT2_CMP_LEGACY |
#if BX_SUPPORT_SVM
BX_CPUID_EXT2_SVM |
#endif
BX_CPUID_EXT2_EXT_APIC_SPACE |
BX_CPUID_EXT2_ALT_MOV_CR8 |
BX_CPUID_EXT2_LZCNT |
BX_CPUID_EXT2_SSE4A |
BX_CPUID_EXT2_MISALIGNED_SSE |
BX_CPUID_EXT2_PREFETCHW |
BX_CPUID_EXT2_OSVW |
BX_CPUID_EXT2_IBS |
BX_CPUID_EXT2_XOP |
BX_CPUID_EXT2_WDT |
BX_CPUID_EXT2_FMA4 |
BX_CPUID_EXT2_NODEID |
BX_CPUID_EXT2_TOPOLOGY_EXTENSIONS |
BX_CPUID_EXT2_PERFCTR_EXT_CORE |
BX_CPUID_EXT2_PERFCTR_EXT_NB;
// EDX:
// Many of the bits in EDX are the same as FN 0x00000001 for AMD
// * [0:0] FPU on chip
// * [1:1] VME: Virtual-8086 Mode enhancements
// * [2:2] DE: Debug Extensions (I/O breakpoints)
// * [3:3] PSE: Page Size Extensions
// * [4:4] TSC: Time Stamp Counter
// * [5:5] MSR: RDMSR and WRMSR support
// * [6:6] PAE: Physical Address Extensions
// * [7:7] MCE: Machine Check Exception
// * [8:8] CXS: CMPXCHG8B instruction
// * [9:9] APIC: APIC on Chip
// [10:10] Reserved
// * [11:11] SYSCALL/SYSRET support
// * [12:12] MTRR: Memory Type Range Reg
// * [13:13] PGE/PTE Global Bit
// * [14:14] MCA: Machine Check Architecture
// * [15:15] CMOV: Cond Mov/Cmp Instructions
// * [16:16] PAT: Page Attribute Table
// * [17:17] PSE-36: Physical Address Extensions
// [18:18] Reserved
// [19:19] Reserved
// * [20:20] No-Execute page protection
// [21:21] Reserved
// * [22:22] AMD MMX Extensions
// * [23:23] MMX Technology
// * [24:24] FXSR: FXSAVE/FXRSTOR (also indicates CR4.OSFXSR is available)
// * [25:25] Fast FXSAVE/FXRSTOR mode support
// * [26:26] 1G paging support
// * [27:27] Support RDTSCP Instruction
// [28:28] Reserved
// * [29:29] Long Mode
// [30:30] AMD 3DNow! Extensions
// [31:31] AMD 3DNow! Instructions
leaf->edx = BX_CPUID_STD_X87 |
BX_CPUID_STD_VME |
BX_CPUID_STD_DEBUG_EXTENSIONS |
BX_CPUID_STD_PSE |
BX_CPUID_STD_TSC |
BX_CPUID_STD_MSR |
BX_CPUID_STD_PAE |
BX_CPUID_STD_MCE |
BX_CPUID_STD_CMPXCHG8B |
BX_CPUID_STD2_SYSCALL_SYSRET |
BX_CPUID_STD_MTRR |
BX_CPUID_STD_GLOBAL_PAGES |
BX_CPUID_STD_MCA |
BX_CPUID_STD_CMOV |
BX_CPUID_STD_PAT |
BX_CPUID_STD_PSE36 |
BX_CPUID_STD2_NX |
BX_CPUID_STD2_AMD_MMX_EXT |
BX_CPUID_STD_MMX |
BX_CPUID_STD_FXSAVE_FXRSTOR |
BX_CPUID_STD2_FFXSR |
BX_CPUID_STD2_1G_PAGES |
BX_CPUID_STD2_RDTSCP |
BX_CPUID_STD2_LONG_MODE;
#if BX_SUPPORT_APIC
// if MSR_APICBASE APIC Global Enable bit has been cleared,
// the CPUID feature flag for the APIC is set to 0.
if (cpu->msr.apicbase & 0x800)
leaf->edx |= BX_CPUID_STD_APIC; // APIC on chip
#endif
}
// leaf 0x80000002 //
// leaf 0x80000003 //
// leaf 0x80000004 //
// leaf 0x80000005 //
void zambezi_t::get_ext_cpuid_leaf_5(cpuid_function_t *leaf) const
{
// CPUID function 0x800000005 - L1 Cache and TLB Identifiers
leaf->eax = 0xff20ff18;
leaf->ebx = 0xff20ff30;
leaf->ecx = 0x10040140;
leaf->edx = 0x40020140;
}
// leaf 0x80000006 //
void zambezi_t::get_ext_cpuid_leaf_6(cpuid_function_t *leaf) const
{
// CPUID function 0x800000006 - L2 Cache and TLB Identifiers
leaf->eax = 0x64000000;
leaf->ebx = 0x64004200;
leaf->ecx = 0x08008140;
leaf->edx = 0x0040c140;
}
// leaf 0x80000007 //
void zambezi_t::get_ext_cpuid_leaf_7(cpuid_function_t *leaf) const
{
// CPUID function 0x800000007 - Advanced Power Management
leaf->eax = 0;
leaf->ebx = 0;
leaf->ecx = 0;
leaf->edx = 0x000003d9;
}
// leaf 0x80000008 //
void zambezi_t::get_ext_cpuid_leaf_8(cpuid_function_t *leaf) const
{
// virtual & phys address size in low 2 bytes.
leaf->eax = BX_PHY_ADDRESS_WIDTH | (BX_LIN_ADDRESS_WIDTH << 8);
leaf->ebx = 0;
leaf->ecx = ncores - 1;
leaf->edx = 0;
}
// leaf 0x80000009 : Reserved //
#if BX_SUPPORT_SVM
// leaf 0x8000000A : SVM //
void zambezi_t::get_ext_cpuid_leaf_A(cpuid_function_t *leaf) const
{
leaf->eax = 0x01; /* SVM revision ID */
leaf->ebx = 0x40; /* number of ASIDs */
leaf->ecx = 0;
// * [0:0] NP - Nested paging support
// * [1:1] LBR virtualization
// * [2:2] SVM Lock
// * [3:3] NRIPS - Next RIP save on VMEXIT
// * [4:4] TscRate - MSR based TSC ratio control
// * [5:5] VMCB Clean bits support
// * [6:6] Flush by ASID support
// * [7:7] Decode assists support
// [8:8] Reserved
// [9:9] Reserved
// * [10:10] Pause filter support
// [11:11] Reserved
// * [12:12] Pause filter threshold support
// [13:13] Advanced Virtual Interrupt Controller
leaf->edx = get_svm_extensions_bitmask();
}
#endif
// leaf 0x8000000B - 0x80000018: Reserved //
void zambezi_t::get_ext_cpuid_leaf_19(cpuid_function_t *leaf) const
{
// CPUID function 0x800000019 - 1G Page TLB Identifiers
leaf->eax = 0xF020F018;
leaf->ebx = 0x64000000;
leaf->ecx = 0;
leaf->edx = 0;
}
void zambezi_t::get_ext_cpuid_leaf_1A(cpuid_function_t *leaf) const
{
// CPUID function 0x80000001A - Performance Optimization Identifiers
leaf->eax = 0x00000003;
leaf->ebx = 0;
leaf->ecx = 0;
leaf->edx = 0;
}
void zambezi_t::get_ext_cpuid_leaf_1B(cpuid_function_t *leaf) const
{
// CPUID function 0x80000001B - Instruction Based Sampling Identifiers
leaf->eax = 0xFF;
leaf->ebx = 0;
leaf->ecx = 0;
leaf->edx = 0;
BX_INFO(("WARNING: Instruction Based Sampling is not implemented"));
}
void zambezi_t::get_ext_cpuid_leaf_1C(cpuid_function_t *leaf) const
{
// CPUID function 0x80000001C - Lightweight Profiling Capabilities (not implemented)
leaf->eax = 0;
leaf->ebx = 0;
leaf->ecx = 0;
leaf->edx = 0;
}
void zambezi_t::get_ext_cpuid_leaf_1D(Bit32u subfunction, cpuid_function_t *leaf) const
{
// CPUID function 0x80000001D - Cache Properties
switch(subfunction) {
case 0:
leaf->eax = 0x00000121;
leaf->ebx = 0x00C0003F;
leaf->ecx = 0x0000003F;
leaf->edx = 0x00000000;
return;
case 1:
leaf->eax = 0x00004122;
leaf->ebx = 0x0040003F;
leaf->ecx = 0x000001FF;
leaf->edx = 0x00000000;
return;
case 2:
leaf->eax = 0x00004143;
leaf->ebx = 0x03C0003F;
leaf->ecx = 0x000007FF;
leaf->edx = 0x00000001;
return;
case 3:
leaf->eax = 0x0000C163;
leaf->ebx = 0x0FC0003F;
leaf->ecx = 0x000007FF;
leaf->edx = 0x00000001;
return;
default:
leaf->eax = 0;
leaf->ebx = 0;
leaf->ecx = 0;
leaf->edx = 0;
return;
}
}
void zambezi_t::get_ext_cpuid_leaf_1E(cpuid_function_t *leaf) const
{
// CPUID function 0x80000001E - Topology Extensions
leaf->eax = 0;
leaf->ebx = (ncores - 1) << 8;
leaf->ecx = 0;
leaf->edx = 0;
}
void zambezi_t::dump_cpuid(void) const
{
bx_cpuid_t::dump_cpuid(0xD, 0x1E);
}
bx_cpuid_t *create_zambezi_cpuid(BX_CPU_C *cpu) { return new zambezi_t(cpu); }
#endif
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