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/*
* Copyright (C) 2005 Martin Decky
* 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 ppc32
* @{
*/
/** @file
*/
#include <arch.h>
#include <arch/boot/boot.h>
#include <arch/drivers/cuda.h>
#include <arch/mm/memory_init.h>
#include <arch/interrupt.h>
#include <genarch/fb/fb.h>
#include <userspace.h>
#include <proc/uarg.h>
#include <console/console.h>
#include <arch/drivers/pic.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)
{
/* Initialize dispatch table */
interrupt_init();
/* Start decrementer */
start_decrementer();
}
void arch_post_mm_init(void)
{
if (config.cpu_active == 1) {
fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline, false);
/* Initialize PIC */
pic_init(bootinfo.keyboard.addr, PAGE_SIZE);
cuda_init(bootinfo.keyboard.addr + 0x16000, 2 * PAGE_SIZE);
/* Merge all zones to 1 big zone */
zone_merge_all();
}
}
void arch_pre_smp_init(void)
{
memory_print_map();
}
void arch_post_smp_init(void)
{
}
void calibrate_delay_loop(void)
{
}
void userspace(uspace_arg_t *kernel_uarg)
{
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);
/* Unreachable */
for (;;)
;
}
/** Acquire console back for kernel
*
*/
void arch_grab_console(void)
{
cuda_grab();
}
/** Return console to userspace
*
*/
void arch_release_console(void)
{
cuda_release();
}
/** @}
*/