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Extend CPUID emulation for Intel Celeron and newer Intel CPUs

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This commit is contained in:
LI Qing 2020-02-26 02:46:22 +00:00
parent bbd4cd9be2
commit 045ea46e9f
4 changed files with 25 additions and 19 deletions
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20
src/libos/src/exception/cpuid.rs
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@ -5,7 +5,7 @@ use std::rsgx_cpuidex;
const CPUID_OPCODE: u16 = 0xA20F; const CPUID_OPCODE: u16 = 0xA20F;
const CPUID_MIN_BASIC_LEAF: u32 = 0; const CPUID_MIN_BASIC_LEAF: u32 = 0;
const CPUID_MAX_BASIC_LEAF: u32 = 0x17; const CPUID_MAX_BASIC_LEAF: u32 = 0x1F;
const CPUID_MIN_EXTEND_LEAF: u32 = 0x8000_0000; const CPUID_MIN_EXTEND_LEAF: u32 = 0x8000_0000;
const CPUID_MAX_EXTEND_LEAF: u32 = 0x8000_0008; const CPUID_MAX_EXTEND_LEAF: u32 = 0x8000_0008;
const CPUID_MAX_SUBLEAF: u32 = u32::max_value(); const CPUID_MAX_SUBLEAF: u32 = u32::max_value();
@ -75,7 +75,7 @@ impl CpuIdCache {
if subleaf == 0 { if subleaf == 0 {
max_subleaf = match leaf { max_subleaf = match leaf {
// EAX Bits 31 - 00: Reports the maximum sub-leaf supported. // EAX Bits 31 - 00: Reports the maximum sub-leaf supported.
0x7 | 0x14 | 0x17 => cpuid_result.eax, 0x7 | 0x14 | 0x17 | 0x18 => cpuid_result.eax,
// Reports valid resource type starting at bit position 1 of EDX. // Reports valid resource type starting at bit position 1 of EDX.
// EDX Bit 00: Reserved. // EDX Bit 00: Reserved.
// Bit 01: Supports L3 Cache Intel RDT Monitoring if 1. // Bit 01: Supports L3 Cache Intel RDT Monitoring if 1.
@ -85,9 +85,11 @@ impl CpuIdCache {
// EBX Bit 00: Reserved. // EBX Bit 00: Reserved.
// Bit 01: Supports L3 Cache Allocation Technology if 1. // Bit 01: Supports L3 Cache Allocation Technology if 1.
// Bit 02: Supports L2 Cache Allocation Technology if 1. // Bit 02: Supports L2 Cache Allocation Technology if 1.
// Bits 31 - 03: Reserved. // Bit 03: Supports Memory Bandwidth Allocation if 1.
0x10 => match cpuid_result.ebx & 0x0000_0006 { // Bits 31 - 04: Reserved.
0x0000_0006 => 2, 0x10 => match cpuid_result.ebx & 0x0000_000E {
0x0000_0008 | 0x0000_000A | 0x0000_000C | 0x0000_000E => 3,
0x0000_0004 | 0x0000_0006 => 2,
0x0000_0002 => 1, 0x0000_0002 => 1,
_ => 0, _ => 0,
}, },
@ -95,7 +97,7 @@ impl CpuIdCache {
0xD => 63, 0xD => 63,
// (Sub-leaf == 0) can not decide max_subleaf for these leaf, // (Sub-leaf == 0) can not decide max_subleaf for these leaf,
// later match expression will decide the max_subleaf. // later match expression will decide the max_subleaf.
0x4 | 0xB | 0x12 => CPUID_MAX_SUBLEAF, 0x4 | 0xB | 0x12 | 0x1F => CPUID_MAX_SUBLEAF,
// Default max_subleaf is 0. // Default max_subleaf is 0.
_ => 0, _ => 0,
}; };
@ -119,6 +121,9 @@ impl CpuIdCache {
// EAX Bit 03 - 00: Sub-leaf Type. // EAX Bit 03 - 00: Sub-leaf Type.
// 0000b: Indicates this sub-leaf is invalid. // 0000b: Indicates this sub-leaf is invalid.
0x12 if subleaf >= 2 && (cpuid_result.eax & 0x0000000F) == 0 => subleaf, 0x12 if subleaf >= 2 && (cpuid_result.eax & 0x0000000F) == 0 => subleaf,
// V2 Extended Topology Enumeration Leaf
// CPUID leaf 0x1F is a preferred superset to leaf 0xB.
0x1F if (cpuid_result.ecx & 0x0000_FF00) == 0 => subleaf,
// Condition not met. // Condition not met.
_ => max_subleaf, _ => max_subleaf,
}; };
@ -230,7 +235,8 @@ fn is_valid_cpuid_extend_leaf(leaf: u32) -> bool {
} }
fn is_cpuid_leaf_has_subleaves(leaf: u32) -> bool { fn is_cpuid_leaf_has_subleaves(leaf: u32) -> bool {
const CPUID_LEAF_WITH_SUBLEAF: [u32; 9] = [0x4, 0x7, 0xB, 0xD, 0xF, 0x10, 0x12, 0x14, 0x17]; const CPUID_LEAF_WITH_SUBLEAF: [u32; 11] =
[0x4, 0x7, 0xB, 0xD, 0xF, 0x10, 0x12, 0x14, 0x17, 0x18, 0x1F];
CPUID_LEAF_WITH_SUBLEAF.contains(&leaf) CPUID_LEAF_WITH_SUBLEAF.contains(&leaf)
} }

8
tools/docker/Dockerfile.centos7.2
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@ -45,10 +45,10 @@ RUN yum update -y && \
# Install cpuid tool for tests # Install cpuid tool for tests
WORKDIR /tmp WORKDIR /tmp
RUN wget http://www.etallen.com/cpuid/cpuid-20180519.x86_64.tar.gz && \ RUN wget http://www.etallen.com/cpuid/cpuid-20200211.x86_64.tar.gz && \
tar -xf ./cpuid-20180519.x86_64.tar.gz && \ tar -xf ./cpuid-20200211.x86_64.tar.gz && \
cp ./cpuid-20180519/cpuid /usr/bin/ && \ cp ./cpuid-20200211/cpuid /usr/bin/ && \
rm -rf /tmp/cpuid-20180519* rm -rf /tmp/cpuid-20200211*
# Install SGX SDK # Install SGX SDK
WORKDIR /tmp WORKDIR /tmp

8
tools/docker/Dockerfile.ubuntu16.04
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@ -45,10 +45,10 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
# Install cpuid tool for tests # Install cpuid tool for tests
WORKDIR /tmp WORKDIR /tmp
RUN wget http://www.etallen.com/cpuid/cpuid-20180519.x86_64.tar.gz && \ RUN wget http://www.etallen.com/cpuid/cpuid-20200211.x86_64.tar.gz && \
tar -xf ./cpuid-20180519.x86_64.tar.gz && \ tar -xf ./cpuid-20200211.x86_64.tar.gz && \
cp ./cpuid-20180519/cpuid /usr/bin/ && \ cp ./cpuid-20200211/cpuid /usr/bin/ && \
rm -rf /tmp/cpuid-20180519* rm -rf /tmp/cpuid-20200211*
# Install SGX SDK # Install SGX SDK
WORKDIR /tmp WORKDIR /tmp

8
tools/docker/Dockerfile.ubuntu18.04
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@ -46,10 +46,10 @@ RUN apt-get update && DEBIAN_FRONTEND="noninteractive" apt-get install -y --no-i
# Install cpuid tool for tests # Install cpuid tool for tests
WORKDIR /tmp WORKDIR /tmp
RUN wget http://www.etallen.com/cpuid/cpuid-20180519.x86_64.tar.gz && \ RUN wget http://www.etallen.com/cpuid/cpuid-20200211.x86_64.tar.gz && \
tar -xf ./cpuid-20180519.x86_64.tar.gz && \ tar -xf ./cpuid-20200211.x86_64.tar.gz && \
cp ./cpuid-20180519/cpuid /usr/bin/ && \ cp ./cpuid-20200211/cpuid /usr/bin/ && \
rm -rf /tmp/cpuid-20180519* rm -rf /tmp/cpuid-20200211*
# Install SGX SDK # Install SGX SDK
WORKDIR /tmp WORKDIR /tmp