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add some stub MSRs

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Fabian
2025-08-13 15:28:02 -06:00
parent d074a7f8a4
commit af483a9036
2 changed files with 11 additions and 6 deletions
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5
src/rust/cpu/cpu.rs
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@@ -208,7 +208,10 @@ pub const MSR_TEST_CTRL: i32 = 0x33;
pub const MSR_SMI_COUNT: i32 = 0x34;
pub const IA32_FEAT_CTL: i32 = 0x3A;
pub const IA32_SPEC_CTRL: i32 = 0x48;
pub const IA32_BIOS_UPDT_TRIG: i32 = 0x79;
pub const IA32_BIOS_SIGN_ID: i32 = 0x8B;
pub const IA32_PMC0: i32 = 0xC1;
pub const IA32_PMC1: i32 = 0xC2;
pub const MSR_PLATFORM_INFO: i32 = 0xCE;
pub const MSR_TSX_FORCE_ABORT: i32 = 0x10F;
pub const IA32_TSX_CTRL: i32 = 0x122;
@@ -218,6 +221,8 @@ pub const IA32_SYSENTER_CS: i32 = 0x174;
pub const IA32_SYSENTER_ESP: i32 = 0x175;
pub const IA32_SYSENTER_EIP: i32 = 0x176;
pub const IA32_MCG_CAP: i32 = 0x179;
pub const IA32_PERFEVTSEL0: i32 = 0x186;
pub const IA32_PERFEVTSEL1: i32 = 0x187;
pub const IA32_MISC_ENABLE: i32 = 0x1A0;
pub const IA32_PAT: i32 = 0x277;
pub const IA32_RTIT_CTL: i32 = 0x570;

12
src/rust/cpu/instructions_0f.rs
View File

@@ -1214,6 +1214,7 @@ pub unsafe fn instr_0F30() {
*apic_enabled = low & IA32_APIC_BASE_EN == IA32_APIC_BASE_EN
},
IA32_TIME_STAMP_COUNTER => set_tsc(low as u32, high as u32),
IA32_BIOS_UPDT_TRIG => {}, // windows xp
IA32_BIOS_SIGN_ID => {},
MISC_FEATURE_ENABLES => {
// Linux 4, see: https://patchwork.kernel.org/patch/9528279/
@@ -1226,6 +1227,7 @@ pub unsafe fn instr_0F30() {
// Only used in 64 bit mode (by SWAPGS), but set by kvm-unit-test
dbg_log!("GS Base written");
},
IA32_PMC0 | IA32_PMC1 => {}, // linux
IA32_PAT => {},
IA32_SPEC_CTRL => {}, // linux 5.19
IA32_TSX_CTRL => {}, // linux 5.19
@@ -1296,13 +1298,11 @@ pub unsafe fn instr_0F32() {
// Enable Misc. Processor Features
low = 1 << 0; // fast string
},
IA32_RTIT_CTL => {
// linux4
},
IA32_RTIT_CTL => {}, // linux4
MSR_SMI_COUNT => {},
IA32_MCG_CAP => {
// netbsd
},
IA32_MCG_CAP => {}, // netbsd
IA32_PERFEVTSEL0 | IA32_PERFEVTSEL1 => {}, // linux
IA32_PMC0 | IA32_PMC1 => {}, // linux
IA32_PAT => {},
MSR_PKG_C2_RESIDENCY => {},
IA32_SPEC_CTRL => {}, // linux 5.19