/[qemu]/qemu/helper-i386.c
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Diff of /qemu/helper-i386.c

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revision 1.7 by bellard, Tue Jul 1 15:05:19 2003 UTC revision 1.8 by bellard, Mon Jul 7 11:30:46 2003 UTC
# Line 947  void helper_rdtsc(void) Line 947  void helper_rdtsc(void)
947      EDX = val >> 32;      EDX = val >> 32;
948  }  }
949    
950    void helper_wrmsr(void)
951    {
952        switch(ECX) {
953        case MSR_IA32_SYSENTER_CS:
954            env->sysenter_cs = EAX & 0xffff;
955            break;
956        case MSR_IA32_SYSENTER_ESP:
957            env->sysenter_esp = EAX;
958            break;
959        case MSR_IA32_SYSENTER_EIP:
960            env->sysenter_eip = EAX;
961            break;
962        default:
963            /* XXX: exception ? */
964            break;
965        }
966    }
967    
968    void helper_rdmsr(void)
969    {
970        switch(ECX) {
971        case MSR_IA32_SYSENTER_CS:
972            EAX = env->sysenter_cs;
973            EDX = 0;
974            break;
975        case MSR_IA32_SYSENTER_ESP:
976            EAX = env->sysenter_esp;
977            EDX = 0;
978            break;
979        case MSR_IA32_SYSENTER_EIP:
980            EAX = env->sysenter_eip;
981            EDX = 0;
982            break;
983        default:
984            /* XXX: exception ? */
985            break;
986        }
987    }
988    
989  void helper_lsl(void)  void helper_lsl(void)
990  {  {
991      unsigned int selector, limit;      unsigned int selector, limit;

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