Subversion Repositories HelenOS

/*

 * Copyright (c) 2001-2004 Jakub Jermar

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * - Redistributions of source code must retain the above copyright

 *   notice, this list of conditions and the following disclaimer.

 * - Redistributions in binary form must reproduce the above copyright

 *   notice, this list of conditions and the following disclaimer in the

 *   documentation and/or other materials provided with the distribution.

 * - The name of the author may not be used to endorse or promote products

 *   derived from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,

 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

/** @addtogroup ia32

 * @{

 */

/** @file

 */

#include <arch.h>

#include <arch/types.h>

#include <arch/pm.h>

#include <arch/drivers/ega.h>

#include <arch/drivers/vesa.h>

#include <genarch/kbd/i8042.h>

#include <arch/drivers/i8254.h>

#include <arch/drivers/i8259.h>

#include <arch/context.h>

#include <config.h>

#include <arch/interrupt.h>

#include <arch/asm.h>

#include <genarch/acpi/acpi.h>

#include <arch/bios/bios.h>

#include <interrupt.h>

#include <ddi/irq.h>

#include <arch/debugger.h>

#include <arch/breakpoint.h>

#include <proc/thread.h>

#include <syscall/syscall.h>

#include <console/console.h>

#include <ddi/device.h>

#ifdef CONFIG_SMP

#include <arch/smp/apic.h>

#endif

void arch_pre_mm_init(void)

{

    pm_init();

    if (config.cpu_active == 1) {

        interrupt_init();

        bios_init();

        /* PIC */

        i8259_init();

    }

}

void arch_post_mm_init(void)

{

    if (config.cpu_active == 1) {

        /* Initialize IRQ routing */

        irq_init(IRQ_COUNT, IRQ_COUNT);

        /* hard clock */

        i8254_init();

#ifdef CONFIG_FB

        if (vesa_present())

            vesa_init();

        else

#endif

            ega_init(); /* video */

        /* Enable debugger */

        debugger_init();

#ifdef CONFIG_UDEBUG

        /* Enable INT3 breakpoint handler */

        breakpoint_init();

#endif

        /* Merge all memory zones to 1 big zone */

        zone_merge_all();

    }

}

void arch_post_cpu_init()

{

#ifdef CONFIG_SMP

        if (config.cpu_active > 1) {

        l_apic_init();

        l_apic_debug();

    }

#endif

}

void arch_pre_smp_init(void)

{

    if (config.cpu_active == 1) {

#ifdef CONFIG_SMP

        acpi_init();

#endif /* CONFIG_SMP */

    }

}

void arch_post_smp_init(void)

{

    devno_t kbd = device_assign_devno();

    devno_t mouse = device_assign_devno();

    /* keyboard controller */

    i8042_init(kbd, IRQ_KBD, mouse, IRQ_MOUSE);

}

void calibrate_delay_loop(void)

{

    i8254_calibrate_delay_loop();

    if (config.cpu_active == 1) {

        /*

         * This has to be done only on UP.

         * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked.

         */

        i8254_normal_operation();

    }

}

/** Set thread-local-storage pointer

 *

 * TLS pointer is set in GS register. That means, the GS contains

 * selector, and the descriptor->base is the correct address.

 */

unative_t sys_tls_set(unative_t addr)

{

    THREAD->arch.tls = addr;

    set_tls_desc(addr);

    return 0;

}

/** Acquire console back for kernel

 *

 */

void arch_grab_console(void)

{

    i8042_grab();

}

/** Return console to userspace

 *

 */

void arch_release_console(void)

{

    i8042_release();

}

/** @}

 */