WebSVN – HelenOS-historic – Diff – /boot/trunk/arch/mips32/loader/main.c


/*
 * 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 "../../../generic/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("done.\n");
    }
   
    printf("\nBooting the kernel...\n");
    jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo));
}
 

Subversion Repositories HelenOS-historic

(root)/boot/trunk/arch/mips32/loader/main.c – Rev 1685 → 1763

Rev 1685		Rev 1763
1	/*	1	/*
2	* Copyright (C) 2005 Martin Decky	2	* Copyright (C) 2005 Martin Decky
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	#include "main.h"	29	#include "main.h"
30	#include "printf.h"	30	#include "../../../generic/printf.h"
31	#include "msim.h"	31	#include "msim.h"
32	#include "asm.h"	32	#include "asm.h"
33	#include "_components.h"	33	#include "_components.h"
34		34
35	#define KERNEL_VIRTUAL_ADDRESS 0x80100000	35	#define KERNEL_VIRTUAL_ADDRESS 0x80100000
36		36
37	void bootstrap(void)	37	void bootstrap(void)
38	{	38	{
39	printf("HelenOS MIPS Bootloader\n");	39	printf("HelenOS MIPS Bootloader\n");
40		40
41	component_t components[COMPONENTS];	41	component_t components[COMPONENTS];
42	bootinfo_t bootinfo;	42	bootinfo_t bootinfo;
43	init_components(components);	43	init_components(components);
44		44
45	printf("\nMemory statistics\n");	45	printf("\nMemory statistics\n");
46	printf(" kernel entry point at %L\n", KERNEL_VIRTUAL_ADDRESS);	46	printf(" kernel entry point at %L\n", KERNEL_VIRTUAL_ADDRESS);
47	printf(" %L: boot info structure\n", &bootinfo);	47	printf(" %L: boot info structure\n", &bootinfo);
48		48
49	unsigned int i;	49	unsigned int i;
50	for (i = 0; i < COMPONENTS; i++)	50	for (i = 0; i < COMPONENTS; i++)
51	printf(" %L: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size);	51	printf(" %L: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size);
52		52
53	printf("\nCopying components\n");	53	printf("\nCopying components\n");
54	unsigned int top = 0;	54	unsigned int top = 0;
55	bootinfo.cnt = 0;	55	bootinfo.cnt = 0;
56	for (i = 0; i < COMPONENTS; i++) {	56	for (i = 0; i < COMPONENTS; i++) {
57	printf(" %s...", components[i].name);	57	printf(" %s...", components[i].name);
58	top = ALIGN_UP(top, PAGE_SIZE);	58	top = ALIGN_UP(top, PAGE_SIZE);
59	memcpy(((void *) KERNEL_VIRTUAL_ADDRESS) + top, components[i].start, components[i].size);	59	memcpy(((void *) KERNEL_VIRTUAL_ADDRESS) + top, components[i].start, components[i].size);
60	if (i > 0) {	60	if (i > 0) {
61	bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_VIRTUAL_ADDRESS) + top;	61	bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_VIRTUAL_ADDRESS) + top;
62	bootinfo.tasks[bootinfo.cnt].size = components[i].size;	62	bootinfo.tasks[bootinfo.cnt].size = components[i].size;
63	bootinfo.cnt++;	63	bootinfo.cnt++;
64	}	64	}
65	top += components[i].size;	65	top += components[i].size;
66	printf("done.\n");	66	printf("done.\n");
67	}	67	}
68		68
69	printf("\nBooting the kernel...\n");	69	printf("\nBooting the kernel...\n");
70	jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo));	70	jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo));
71	}	71	}
72		72