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[Qemu-devel] [PATCH qom-cpu v4 04/18] target-i386: Update model values o
From: |
Andreas Färber |
Subject: |
[Qemu-devel] [PATCH qom-cpu v4 04/18] target-i386: Update model values on Conroe/Penryn/Nehalem CPU models |
Date: |
Sun, 9 Jun 2013 18:10:33 +0200 |
From: Eduardo Habkost <address@hidden>
The CPUID model values on Conroe, Penryn, and Nehalem are too
conservative and don't reflect the values found on real Conroe, Penryn,
and Nehalem CPUs.
This causes at least one known problems: Windows XP disables sysenter
when (family == 6 && model <= 2), but Skype tries to use the sysenter
instruction anyway because it is reported as available on CPUID, making
it crash.
This patch sets appropriate model values that correspond to real Conroe,
Penryn, and Nehalem CPUs.
Signed-off-by: Eduardo Habkost <address@hidden>
Reviewed-by: Igor Mammedov <address@hidden>
Signed-off-by: Andreas Färber <address@hidden>
---
hw/i386/pc_piix.c | 4 ++++
hw/i386/pc_q35.c | 4 ++++
include/hw/i386/pc.h | 16 ++++++++++++++++
target-i386/cpu.c | 6 +++---
4 files changed, 27 insertions(+), 3 deletions(-)
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 7fb2bce..69eb2a1 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -344,6 +344,10 @@ static QEMUMachine pc_i440fx_machine_v1_5 = {
.init = pc_init_pci,
.hot_add_cpu = pc_hot_add_cpu,
.max_cpus = 255,
+ .compat_props = (GlobalProperty[]) {
+ PC_COMPAT_1_5,
+ { /* end of list */ }
+ },
DEFAULT_MACHINE_OPTIONS,
};
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index db5c46e..bb0ce6a 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -231,6 +231,10 @@ static QEMUMachine pc_q35_machine_v1_5 = {
.init = pc_q35_init,
.hot_add_cpu = pc_hot_add_cpu,
.max_cpus = 255,
+ .compat_props = (GlobalProperty[]) {
+ PC_COMPAT_1_5,
+ { /* end of list */ }
+ },
DEFAULT_MACHINE_OPTIONS,
};
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 6154058..f232d75 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -185,7 +185,23 @@ int pvpanic_init(ISABus *bus);
int e820_add_entry(uint64_t, uint64_t, uint32_t);
+#define PC_COMPAT_1_5 \
+ {\
+ .driver = "Conroe-" TYPE_X86_CPU,\
+ .property = "model",\
+ .value = stringify(2),\
+ },{\
+ .driver = "Penryn-" TYPE_X86_CPU,\
+ .property = "model",\
+ .value = stringify(2),\
+ },{\
+ .driver = "Nehalem-" TYPE_X86_CPU,\
+ .property = "model",\
+ .value = stringify(2),\
+ }
+
#define PC_COMPAT_1_4 \
+ PC_COMPAT_1_5, \
{\
.driver = "scsi-hd",\
.property = "discard_granularity",\
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 1a501d9..6b48562 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -672,7 +672,7 @@ static x86_def_t builtin_x86_defs[] = {
.level = 2,
.vendor = CPUID_VENDOR_INTEL,
.family = 6,
- .model = 2,
+ .model = 15,
.stepping = 3,
.features[FEAT_1_EDX] =
CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
@@ -694,7 +694,7 @@ static x86_def_t builtin_x86_defs[] = {
.level = 2,
.vendor = CPUID_VENDOR_INTEL,
.family = 6,
- .model = 2,
+ .model = 23,
.stepping = 3,
.features[FEAT_1_EDX] =
CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
@@ -717,7 +717,7 @@ static x86_def_t builtin_x86_defs[] = {
.level = 2,
.vendor = CPUID_VENDOR_INTEL,
.family = 6,
- .model = 2,
+ .model = 26,
.stepping = 3,
.features[FEAT_1_EDX] =
CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
--
1.8.1.4
- [Qemu-devel] [PATCH qom-cpu v4 00/18] dump: Build cleanups, redone, Andreas Färber, 2013/06/09
- [Qemu-devel] [PATCH qom-cpu v4 02/18] pc: Fix crash when attempting to hotplug CPU with negative ID, Andreas Färber, 2013/06/09
- [Qemu-devel] [PATCH qom-cpu v4 01/18] dump: Move stubs into libqemustub.a, Andreas Färber, 2013/06/09
- [Qemu-devel] [PATCH qom-cpu v4 03/18] pc: Create pc-*-1.6 machine-types, Andreas Färber, 2013/06/09
- [Qemu-devel] [PATCH qom-cpu v4 04/18] target-i386: Update model values on Conroe/Penryn/Nehalem CPU models,
Andreas Färber <=
- [Qemu-devel] [PATCH qom-cpu v4 06/18] target-i386: cpu: Fix potential buffer overrun in get_register_name_32(), Andreas Färber, 2013/06/09
- [Qemu-devel] [PATCH qom-cpu v4 05/18] target-i386: Set level=4 on Conroe/Penryn/Nehalem, Andreas Färber, 2013/06/09
- [Qemu-devel] [PATCH qom-cpu v4 08/18] memory_mapping: Move MemoryMappingList typedef to qemu/typedefs.h, Andreas Färber, 2013/06/09
- [Qemu-devel] [PATCH qom-cpu v4 07/18] cpu: Turn cpu_paging_enabled() into a CPUState hook, Andreas Färber, 2013/06/09
- [Qemu-devel] [PATCH qom-cpu v4 10/18] memory_mapping: Drop qemu_get_memory_mapping() stub, Andreas Färber, 2013/06/09
- [Qemu-devel] [PATCH qom-cpu v4 11/18] dump: Drop qmp_dump_guest_memory() stub and build for all targets, Andreas Färber, 2013/06/09
- [Qemu-devel] [PATCH qom-cpu v4 09/18] cpu: Turn cpu_get_memory_mapping() into a CPUState hook, Andreas Färber, 2013/06/09