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void arch_pre_mm_init(void)
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void arch_pre_mm_init(void)
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{
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{
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    pm_init();
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    pm_init();
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    write_dr0(config.cpu_active - 1);
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    if (config.cpu_active == 1) {
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    if (config.cpu_active == 1) {
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        bios_init();
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        bios_init();
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        i8042_init();   /* a20 bit */
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        i8042_init();   /* a20 bit */
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        i8259_init();   /* PIC */
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        i8259_init();   /* PIC */
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        i8254_init();   /* hard clock */
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        i8254_init();   /* hard clock */