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Rev 1901 Rev 1958
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#include <interrupt.h>
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#include <interrupt.h>
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#include <arch/syscall.h>
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#include <arch/syscall.h>
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#include <arch/debugger.h>
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#include <arch/debugger.h>
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#include <syscall/syscall.h>
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#include <syscall/syscall.h>
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#include <console/console.h>
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#include <console/console.h>
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#include <ddi/irq.h>
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#include <ddi/device.h>
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/** Disable I/O on non-privileged levels
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/** Disable I/O on non-privileged levels
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 *
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 *
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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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    clean_IOPL_NT_flags();
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    clean_IOPL_NT_flags();
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    /* Disable alignment check */
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    /* Disable alignment check */
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    clean_AM_flag();
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    clean_AM_flag();
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    if (config.cpu_active == 1) {
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    if (config.cpu_active == 1) {
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        interrupt_init();
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        bios_init();
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        bios_init();
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        i8259_init();   /* PIC */
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        i8254_init();   /* hard clock */
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        #ifdef CONFIG_SMP
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        /* PIC */
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        exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown",
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                 tlb_shootdown_ipi);
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        i8259_init();
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        #endif /* CONFIG_SMP */
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    }
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    }
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}
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}
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void arch_post_mm_init(void)
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void arch_post_mm_init(void)
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{
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{
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    if (config.cpu_active == 1) {
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    if (config.cpu_active == 1) {
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        /* Initialize IRQ routing */
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        irq_init(IRQ_COUNT, IRQ_COUNT);
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        /* hard clock */
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        i8254_init();
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#ifdef CONFIG_FB
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#ifdef CONFIG_FB
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        if (vesa_present())
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        if (vesa_present())
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            vesa_init();
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            vesa_init();
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        else
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        else
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#endif
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#endif
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            ega_init(); /* video */
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            ega_init(); /* video */
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        /* Enable debugger */
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        /* Enable debugger */
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        debugger_init();
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        debugger_init();
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        /* Merge all memory zones to 1 big zone */
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        /* Merge all memory zones to 1 big zone */
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        zone_merge_all();
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        zone_merge_all();
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    }
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    }
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    }
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    }
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}
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}
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void arch_post_smp_init(void)
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void arch_post_smp_init(void)
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{
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{
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    i8042_init();   /* keyboard controller */
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    /* keyboard controller */
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    i8042_init(device_assign_devno(), IRQ_KBD, device_assign_devno(), IRQ_MOUSE);
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}
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}
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void calibrate_delay_loop(void)
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void calibrate_delay_loop(void)
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{
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{
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    i8254_calibrate_delay_loop();
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    i8254_calibrate_delay_loop();
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    if (config.cpu_active == 1) {
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        /*
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         * This has to be done only on UP.
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         * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.
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         */
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    i8254_normal_operation();
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        i8254_normal_operation();
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    }
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}
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}
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/** Set thread-local-storage pointer
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/** Set thread-local-storage pointer
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 *
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 *
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 * TLS pointer is set in FS register. Unfortunately the 64-bit
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 * TLS pointer is set in FS register. Unfortunately the 64-bit