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/* Clean IOPL(12,13) and NT(14) flags in EFLAGS register */
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/* Clean IOPL(12,13) and NT(14) flags in EFLAGS register */
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static void clean_IOPL_NT_flags(void)
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static void clean_IOPL_NT_flags(void)
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{
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{
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    __asm__ volatile (
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    asm volatile (
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        "pushfl\n"
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        "pushfl\n"
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        "pop %%eax\n"
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        "pop %%eax\n"
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        "and $0xffff8fff, %%eax\n"
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        "and $0xffff8fff, %%eax\n"
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        "push %%eax\n"
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        "push %%eax\n"
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        "popfl\n"
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        "popfl\n"
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}
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}
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/* Clean AM(18) flag in CR0 register */
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/* Clean AM(18) flag in CR0 register */
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static void clean_AM_flag(void)
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static void clean_AM_flag(void)
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{
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{
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    __asm__ volatile (
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    asm volatile (
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        "mov %%cr0, %%eax\n"
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        "mov %%cr0, %%eax\n"
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        "and $0xfffbffff, %%eax\n"
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        "and $0xfffbffff, %%eax\n"
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        "mov %%eax, %%cr0\n"
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        "mov %%eax, %%cr0\n"
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        : : : "eax"
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        : : : "eax"
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    );
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    );