Subversion Repositories HelenOS

Compare Revisions

Ignore whitespace Rev 2144 → Rev 2145

/branches/arm/boot/arch/arm32/loader/main.c
0,0 → 1,108
/*
* 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 "asm.h"
#include "_components.h"
#include <printf.h>
 
 
#define KERNEL_PHY_ADDRESS 0x00100000
 
char *release = RELEASE;
 
#ifdef REVISION
char *revision = ", revision " REVISION;
#else
char *revision = "";
#endif
 
#ifdef TIMESTAMP
char *timestamp = "\nBuilt on " TIMESTAMP;
#else
char *timestamp = "";
#endif
 
/** Print version information. */
static void version_print(void)
{
printf("HelenOS ARM32 Bootloader\nRelease %s%s%s\nCopyright (c) 2007 HelenOS project\n",
release, revision, timestamp);
}
 
void bootstrap(void)
{
version_print();
component_t components[COMPONENTS];
bootinfo_t bootinfo;
init_components(components);
printf("\nMemory statistics\n");
printf(" kernel entry point at %L\n", KERNEL_PHY_ADDRESS);
printf(" %L: boot info structure\n", &bootinfo);
 
unsigned int i, j;
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);
//printf("top %x", KERNEL_PHY_ADDRESS + top);
memcpy(((void *) KERNEL_PHY_ADDRESS) + top, components[i].start, components[i].size);
if (i > 0) {
bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_PHY_ADDRESS) + top;
bootinfo.tasks[bootinfo.cnt].size = components[i].size;
bootinfo.cnt++;
}
 
/* TODO: memcpy test -> to be deleted */
/*
unsigned char x, y;
for (j=0; j < 20; ++j) {
x = *((unsigned char *) components[i].start + j);
y = *((unsigned char *) KERNEL_PHY_ADDRESS + top + j);
if (x != y) {
printf("!!! Error, %x != %x\n", x,y);
}
}
*/
top += components[i].size;
printf("done.\n");
}
 
printf("\nBooting the kernel...\n");
jump_to_kernel((void *) KERNEL_PHY_ADDRESS, &bootinfo, sizeof(bootinfo));
}