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-rw-r--r--target-i386/cpu.h27
-rw-r--r--target-i386/op_helper.c80
2 files changed, 106 insertions, 1 deletions
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 78035603bf..f1715b2e97 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -261,8 +261,25 @@
#define MSR_IA32_PERF_STATUS 0x198
+#define MSR_MTRRphysBase(reg) (0x200 + 2 * (reg))
+#define MSR_MTRRphysMask(reg) (0x200 + 2 * (reg) + 1)
+
+#define MSR_MTRRfix64K_00000 0x250
+#define MSR_MTRRfix16K_80000 0x258
+#define MSR_MTRRfix16K_A0000 0x259
+#define MSR_MTRRfix4K_C0000 0x268
+#define MSR_MTRRfix4K_C8000 0x269
+#define MSR_MTRRfix4K_D0000 0x26a
+#define MSR_MTRRfix4K_D8000 0x26b
+#define MSR_MTRRfix4K_E0000 0x26c
+#define MSR_MTRRfix4K_E8000 0x26d
+#define MSR_MTRRfix4K_F0000 0x26e
+#define MSR_MTRRfix4K_F8000 0x26f
+
#define MSR_PAT 0x277
+#define MSR_MTRRdefType 0x2ff
+
#define MSR_EFER 0xc0000080
#define MSR_EFER_SCE (1 << 0)
@@ -629,6 +646,14 @@ typedef struct CPUX86State {
uint32_t cpuid_ext3_features;
uint32_t cpuid_apic_id;
+ /* MTRRs */
+ uint64_t mtrr_fixed[11];
+ uint64_t mtrr_deftype;
+ struct {
+ uint64_t base;
+ uint64_t mask;
+ } mtrr_var[8];
+
#ifdef USE_KQEMU
int kqemu_enabled;
int last_io_time;
@@ -805,7 +830,7 @@ static inline int cpu_get_time_fast(void)
#define cpu_signal_handler cpu_x86_signal_handler
#define cpu_list x86_cpu_list
-#define CPU_SAVE_VERSION 7
+#define CPU_SAVE_VERSION 8
/* MMU modes definitions */
#define MMU_MODE0_SUFFIX _kernel
diff --git a/target-i386/op_helper.c b/target-i386/op_helper.c
index dcbc361a02..1a615b3ba0 100644
--- a/target-i386/op_helper.c
+++ b/target-i386/op_helper.c
@@ -3050,6 +3050,46 @@ void helper_wrmsr(void)
env->kernelgsbase = val;
break;
#endif
+ case MSR_MTRRphysBase(0):
+ case MSR_MTRRphysBase(1):
+ case MSR_MTRRphysBase(2):
+ case MSR_MTRRphysBase(3):
+ case MSR_MTRRphysBase(4):
+ case MSR_MTRRphysBase(5):
+ case MSR_MTRRphysBase(6):
+ case MSR_MTRRphysBase(7):
+ env->mtrr_var[((uint32_t)ECX - MSR_MTRRphysBase(0)) / 2].base = val;
+ break;
+ case MSR_MTRRphysMask(0):
+ case MSR_MTRRphysMask(1):
+ case MSR_MTRRphysMask(2):
+ case MSR_MTRRphysMask(3):
+ case MSR_MTRRphysMask(4):
+ case MSR_MTRRphysMask(5):
+ case MSR_MTRRphysMask(6):
+ case MSR_MTRRphysMask(7):
+ env->mtrr_var[((uint32_t)ECX - MSR_MTRRphysMask(0)) / 2].mask = val;
+ break;
+ case MSR_MTRRfix64K_00000:
+ env->mtrr_fixed[(uint32_t)ECX - MSR_MTRRfix64K_00000] = val;
+ break;
+ case MSR_MTRRfix16K_80000:
+ case MSR_MTRRfix16K_A0000:
+ env->mtrr_fixed[(uint32_t)ECX - MSR_MTRRfix16K_80000 + 1] = val;
+ break;
+ case MSR_MTRRfix4K_C0000:
+ case MSR_MTRRfix4K_C8000:
+ case MSR_MTRRfix4K_D0000:
+ case MSR_MTRRfix4K_D8000:
+ case MSR_MTRRfix4K_E0000:
+ case MSR_MTRRfix4K_E8000:
+ case MSR_MTRRfix4K_F0000:
+ case MSR_MTRRfix4K_F8000:
+ env->mtrr_fixed[(uint32_t)ECX - MSR_MTRRfix4K_C0000 + 3] = val;
+ break;
+ case MSR_MTRRdefType:
+ env->mtrr_deftype = val;
+ break;
default:
/* XXX: exception ? */
break;
@@ -3122,6 +3162,46 @@ void helper_rdmsr(void)
}
break;
#endif
+ case MSR_MTRRphysBase(0):
+ case MSR_MTRRphysBase(1):
+ case MSR_MTRRphysBase(2):
+ case MSR_MTRRphysBase(3):
+ case MSR_MTRRphysBase(4):
+ case MSR_MTRRphysBase(5):
+ case MSR_MTRRphysBase(6):
+ case MSR_MTRRphysBase(7):
+ val = env->mtrr_var[((uint32_t)ECX - MSR_MTRRphysBase(0)) / 2].base;
+ break;
+ case MSR_MTRRphysMask(0):
+ case MSR_MTRRphysMask(1):
+ case MSR_MTRRphysMask(2):
+ case MSR_MTRRphysMask(3):
+ case MSR_MTRRphysMask(4):
+ case MSR_MTRRphysMask(5):
+ case MSR_MTRRphysMask(6):
+ case MSR_MTRRphysMask(7):
+ val = env->mtrr_var[((uint32_t)ECX - MSR_MTRRphysMask(0)) / 2].mask;
+ break;
+ case MSR_MTRRfix64K_00000:
+ val = env->mtrr_fixed[0];
+ break;
+ case MSR_MTRRfix16K_80000:
+ case MSR_MTRRfix16K_A0000:
+ val = env->mtrr_fixed[(uint32_t)ECX - MSR_MTRRfix16K_80000 + 1];
+ break;
+ case MSR_MTRRfix4K_C0000:
+ case MSR_MTRRfix4K_C8000:
+ case MSR_MTRRfix4K_D0000:
+ case MSR_MTRRfix4K_D8000:
+ case MSR_MTRRfix4K_E0000:
+ case MSR_MTRRfix4K_E8000:
+ case MSR_MTRRfix4K_F0000:
+ case MSR_MTRRfix4K_F8000:
+ val = env->mtrr_fixed[(uint32_t)ECX - MSR_MTRRfix4K_C0000 + 3];
+ break;
+ case MSR_MTRRdefType:
+ val = env->mtrr_deftype;
+ break;
default:
/* XXX: exception ? */
val = 0;