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1160 decky 1
/*
2071 jermar 2
 * Copyright (c) 2006 Martin Decky
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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1837 jermar 29
/** @addtogroup ppc64
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 * @{
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 */
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/** @file
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 */
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1160 decky 35
#include <arch.h>
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#include <arch/boot/boot.h>
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#include <arch/interrupt.h>
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#include <genarch/fb/fb.h>
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#include <genarch/fb/visuals.h>
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#include <userspace.h>
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#include <proc/uarg.h>
1474 palkovsky 42
#include <console/console.h>
1160 decky 43
 
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bootinfo_t bootinfo;
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void arch_pre_main(void)
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{
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    /* Setup usermode */
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    init.cnt = bootinfo.taskmap.count;
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1780 jermar 51
    uint32_t i;
1398 decky 52
 
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    for (i = 0; i < bootinfo.taskmap.count; i++) {
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        init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
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        init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
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    }
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}
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1160 decky 59
void arch_pre_mm_init(void)
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{
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    /* Initialize dispatch table */
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    interrupt_init();
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    /* Start decrementer */
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    start_decrementer();
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}
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void arch_post_mm_init(void)
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{
1304 palkovsky 70
    if (config.cpu_active == 1) {
1993 decky 71
        /* Initialize framebuffer */
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        unsigned int visual;
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        switch (bootinfo.screen.bpp) {
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        case 8:
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            visual = VISUAL_INDIRECT_8;
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            break;
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        case 16:
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            visual = VISUAL_RGB_5_5_5;
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            break;
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        case 24:
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            visual = VISUAL_RGB_8_8_8;
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            break;
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        case 32:
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            visual = VISUAL_RGB_0_8_8_8;
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            break;
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        default:
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            panic("Unsupported bits per pixel");
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        }
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        fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.scanline, visual);
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1398 decky 92
 
1304 palkovsky 93
        /* Merge all zones to 1 big zone */
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        zone_merge_all();
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    }
1160 decky 96
}
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1901 jermar 98
void arch_post_cpu_init(void)
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{
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}
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1160 decky 102
void arch_pre_smp_init(void)
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{
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}
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void arch_post_smp_init(void)
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{
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}
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void calibrate_delay_loop(void)
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{
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}
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1398 decky 114
void userspace(uspace_arg_t *kernel_uarg)
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{
1780 jermar 116
    userspace_asm((uintptr_t) kernel_uarg->uspace_uarg, (uintptr_t) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (uintptr_t) kernel_uarg->uspace_entry);
1398 decky 117
 
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    /* Unreachable */
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    for (;;)
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        ;
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}
1474 palkovsky 122
 
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/** Acquire console back for kernel
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 *
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 */
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void arch_grab_console(void)
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{
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}
2227 decky 129
 
1474 palkovsky 130
/** Return console to userspace
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 *
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 */
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void arch_release_console(void)
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{
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}
1702 cejka 136
 
2227 decky 137
void arch_reboot(void)
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{
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    // TODO
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    while (1);
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}
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1837 jermar 143
/** @}
1702 cejka 144
 */