source: mainline/kernel/arch/sparc64/src/sparc64.c@ 9dae51d7

/*
 * Copyright (C) 2005 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 sparc64
 * @{
 */
/** @file
 */

#include <arch.h>
#include <debug.h>
#include <config.h>
#include <arch/trap/trap.h>
#include <arch/console.h>
#include <arch/drivers/tick.h>
#include <proc/thread.h>
#include <console/console.h>
#include <arch/boot/boot.h>
#include <arch/arch.h>
#include <arch/mm/page.h>
#include <arch/stack.h>
#include <userspace.h>

bootinfo_t bootinfo;

void arch_pre_main(void)
{
        /* Setup usermode */
        init.cnt = bootinfo.taskmap.count;
        
        uint32_t i;

        for (i = 0; i < bootinfo.taskmap.count; i++) {
                init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
                init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
        }
}

void arch_pre_mm_init(void)
{
        trap_init();
        tick_init();
}

void arch_post_mm_init(void)
{
        standalone_sparc64_console_init();
}

void arch_pre_smp_init(void)
{
}

void arch_post_smp_init(void)
{
        thread_t *t;

        /*
         * Create thread that polls keyboard.
         */
        t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll");
        if (!t)
                panic("cannot create kkbdpoll\n");
        thread_ready(t);
}

void calibrate_delay_loop(void)
{
}

/** Acquire console back for kernel
 *
 */
void arch_grab_console(void)
{
}
/** Return console to userspace
 *
 */
void arch_release_console(void)
{
}

/** Switch to userspace. */
void userspace(uspace_arg_t *kernel_uarg)
{
        switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,
                ((uintptr_t) kernel_uarg->uspace_stack) + STACK_SIZE
                - (ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT) + STACK_BIAS),
                (uintptr_t) kernel_uarg->uspace_uarg);

        for (;;)
                ;
        /* not reached */
}

/** @}
 */