From 27745ceebb950edca7a84761a1f8a0fd0768bc39 Mon Sep 17 00:00:00 2001
From: ptitSeb <sebastien.chev@gmail.com>
Date: Fri, 15 Nov 2024 14:36:42 +0100
Subject: Added support for RDMSR, just in case

---
 src/emu/x64run0f.c   | 7 +++++++
 src/tools/my_cpuid.c | 1 +
 2 files changed, 8 insertions(+)

(limited to 'src')

diff --git a/src/emu/x64run0f.c b/src/emu/x64run0f.c
index 0364f4e9..bac642b3 100644
--- a/src/emu/x64run0f.c
+++ b/src/emu/x64run0f.c
@@ -386,6 +386,13 @@ uintptr_t Run0F(x64emu_t *emu, rex_t rex, uintptr_t addr, int *step)
             R_RDX = tmp64u>>32;
             R_RAX = tmp64u&0xFFFFFFFF;
             break;
+        case 0x32:                   /* RDMSR */
+            // priviledge instruction
+            #ifndef TEST_INTERPRETER
+            emit_signal(emu, SIGSEGV, (void*)R_RIP, 0xbad0);
+            STEP;
+            #endif
+            break;
 
         case 0x34:                  /* SYSENTER */
             #ifndef TEST_INTERPRETER
diff --git a/src/tools/my_cpuid.c b/src/tools/my_cpuid.c
index 9a65f677..967d0585 100644
--- a/src/tools/my_cpuid.c
+++ b/src/tools/my_cpuid.c
@@ -249,6 +249,7 @@ void my_cpuid(x64emu_t* emu, uint32_t tmp32u)
             R_EDX =   1         // fpu 
                     | 1<<2      // debugging extension
                     | 1<<4      // rdtsc
+                    | 1<<5      // msr
                     | 1<<8      // cmpxchg8
                     | 1<<11     // sep (sysenter & sysexit)
                     | 1<<15     // cmov
-- 
cgit 1.4.1