/*
* 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.
*/
#include "main.h"
#include "printf.h"
#include "msim.h"
#include "asm.h"
#include "_components.h"
#define KERNEL_VIRTUAL_ADDRESS 0x80100000
void bootstrap(void)
{
printf("HelenOS MIPS Bootloader\n");
component_t components[COMPONENTS];
bootinfo_t bootinfo;
init_components(components);
printf("\nMemory statistics\n"); printf(" kernel entry point at %L\n", KERNEL_VIRTUAL_ADDRESS
); printf(" %L: boot info structure\n", &bootinfo
);
unsigned int i;
for (i = 0; i < COMPONENTS; i++)
printf(" %L: %s image (size %d bytes)\n", components
[i
].
start, components
[i
].
name, components
[i
].
size);
printf("\nCopying components\n"); unsigned int top = 0;
bootinfo.cnt = 0;
for (i = 0; i < COMPONENTS; i++) {
printf(" %s...", components
[i
].
name); top = ALIGN_UP(top, PAGE_SIZE);
memcpy(((void *) KERNEL_VIRTUAL_ADDRESS
) + top
, components
[i
].
start, components
[i
].
size); if (i > 0) {
bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_VIRTUAL_ADDRESS) + top;
bootinfo.tasks[bootinfo.cnt].size = components[i].size;
bootinfo.cnt++;
}
top += components[i].size;
}
printf("\nBooting the kernel...\n"); jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo));
}