Add stub for MSR_AMD64_DE_CFG

Linux commit 2632daebafd0 ("x86/cpu: Restore AMD's DE_CFG MSR after resume")
copy · Dec 3, 2023 · a8eb761 · a8eb761
1 parent ba4b2ec
commit a8eb761
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diff --git a/src/rust/cpu/cpu.rs b/src/rust/cpu/cpu.rs
@@ -216,6 +216,7 @@ pub const IA32_RTIT_CTL: i32 = 0x570;
 pub const MSR_PKG_C2_RESIDENCY: i32 = 0x60D;
 pub const IA32_KERNEL_GS_BASE: i32 = 0xC0000101u32 as i32;
 pub const MSR_AMD64_LS_CFG: i32 = 0xC0011020u32 as i32;
+pub const MSR_AMD64_DE_CFG: i32 = 0xC0011029u32 as i32;
 
 pub const IA32_APIC_BASE_BSP: i32 = 1 << 8;
 pub const IA32_APIC_BASE_EXTD: i32 = 1 << 10;

diff --git a/src/rust/cpu/instructions_0f.rs b/src/rust/cpu/instructions_0f.rs
@@ -1230,6 +1230,8 @@ pub unsafe fn instr_0F30() {
         IA32_TSX_CTRL => {},       // linux 5.19
         MSR_TSX_FORCE_ABORT => {}, // linux 5.19
         IA32_MCU_OPT_CTRL => {},   // linux 5.19
+        MSR_AMD64_LS_CFG => {},    // linux 5.19
+        MSR_AMD64_DE_CFG => {},    // linux 6.1
         _ => {
             dbg_log!("Unknown msr: {:x}", index);
             dbg_assert!(false);
@@ -1307,6 +1309,7 @@ pub unsafe fn instr_0F32() {
         MSR_TSX_FORCE_ABORT => {}, // linux 5.19
         IA32_MCU_OPT_CTRL => {},   // linux 5.19
         MSR_AMD64_LS_CFG => {},    // linux 5.19
+        MSR_AMD64_DE_CFG => {},    // linux 6.1
         _ => {
             dbg_log!("Unknown msr: {:x}", index);
             dbg_assert!(false);