WebSVN – HelenOS – Diff – /branches/network/boot/arch/arm32/loader/main.c


/*
 * Copyright (c) 2007 Michal Kebrt
 * 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));
}
 
 

Subversion Repositories HelenOS

(root)/branches/network/boot/arch/arm32/loader/main.c @ 4718 – Rev 2145 → 2152

Rev 2145		Rev 2152
1	/*	1	/*
2	* Copyright (c) 2005 Martin Decky	2	* Copyright (c) 2007 Michal Kebrt
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 "asm.h"	30	#include "asm.h"
31	#include "_components.h"	31	#include "_components.h"
32	#include <printf.h>	32	#include <printf.h>
33		33
34		34
35	#define KERNEL_PHY_ADDRESS 0x00100000	35	#define KERNEL_PHY_ADDRESS 0x00100000
36		36
37	char *release = RELEASE;	37	char *release = RELEASE;
38		38
39	#ifdef REVISION	39	#ifdef REVISION
40	char *revision = ", revision " REVISION;	40	char *revision = ", revision " REVISION;
41	#else	41	#else
42	char *revision = "";	42	char *revision = "";
43	#endif	43	#endif
44		44
45	#ifdef TIMESTAMP	45	#ifdef TIMESTAMP
46	char *timestamp = "\nBuilt on " TIMESTAMP;	46	char *timestamp = "\nBuilt on " TIMESTAMP;
47	#else	47	#else
48	char *timestamp = "";	48	char *timestamp = "";
49	#endif	49	#endif
50		50
51	/** Print version information. */	51	/** Print version information. */
52	static void version_print(void)	52	static void version_print(void)
53	{	53	{
54	printf("HelenOS ARM32 Bootloader\nRelease %s%s%s\nCopyright (c) 2007 HelenOS project\n",	54	printf("HelenOS ARM32 Bootloader\nRelease %s%s%s\nCopyright (c) 2007 HelenOS project\n",
55	release, revision, timestamp);	55	release, revision, timestamp);
56	}	56	}
57		57
58	void bootstrap(void)	58	void bootstrap(void)
59	{	59	{
60	version_print();	60	version_print();
61		61
62	component_t components[COMPONENTS];	62	component_t components[COMPONENTS];
63	bootinfo_t bootinfo;	63	bootinfo_t bootinfo;
64	init_components(components);	64	init_components(components);
65		65
66	printf("\nMemory statistics\n");	66	printf("\nMemory statistics\n");
67	printf(" kernel entry point at %L\n", KERNEL_PHY_ADDRESS);	67	printf(" kernel entry point at %L\n", KERNEL_PHY_ADDRESS);
68	printf(" %L: boot info structure\n", &bootinfo);	68	printf(" %L: boot info structure\n", &bootinfo);
69		69
70	unsigned int i, j;	70	unsigned int i, j;
71	for (i = 0; i < COMPONENTS; i++) {	71	for (i = 0; i < COMPONENTS; i++) {
72	printf(" %L: %s image (size %d bytes)\n",	72	printf(" %L: %s image (size %d bytes)\n",
73	components[i].start, components[i].name, components[i].size);	73	components[i].start, components[i].name, components[i].size);
74	}	74	}
75		75
76	printf("\nCopying components\n");	76	printf("\nCopying components\n");
77	unsigned int top = 0;	77	unsigned int top = 0;
78	bootinfo.cnt = 0;	78	bootinfo.cnt = 0;
79	for (i = 0; i < COMPONENTS; i++) {	79	for (i = 0; i < COMPONENTS; i++) {
80	printf(" %s...", components[i].name);	80	printf(" %s...", components[i].name);
81	top = ALIGN_UP(top, PAGE_SIZE);	81	top = ALIGN_UP(top, PAGE_SIZE);
82	//printf("top %x", KERNEL_PHY_ADDRESS + top);	82	//printf("top %x", KERNEL_PHY_ADDRESS + top);
83	memcpy(((void *) KERNEL_PHY_ADDRESS) + top, components[i].start, components[i].size);	83	memcpy(((void *) KERNEL_PHY_ADDRESS) + top, components[i].start, components[i].size);
84	if (i > 0) {	84	if (i > 0) {
85	bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_PHY_ADDRESS) + top;	85	bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_PHY_ADDRESS) + top;
86	bootinfo.tasks[bootinfo.cnt].size = components[i].size;	86	bootinfo.tasks[bootinfo.cnt].size = components[i].size;
87	bootinfo.cnt++;	87	bootinfo.cnt++;
88	}	88	}
89		89
90	/* TODO: memcpy test -> to be deleted */	90	/* TODO: memcpy test -> to be deleted */
91	/*	91	/*
92	unsigned char x, y;	92	unsigned char x, y;
93	for (j=0; j < 20; ++j) {	93	for (j=0; j < 20; ++j) {
94	x = ((unsigned char ) components[i].start + j);	94	x = ((unsigned char ) components[i].start + j);
95	y = ((unsigned char ) KERNEL_PHY_ADDRESS + top + j);	95	y = ((unsigned char ) KERNEL_PHY_ADDRESS + top + j);
96	if (x != y) {	96	if (x != y) {
97	printf("!!! Error, %x != %x\n", x,y);	97	printf("!!! Error, %x != %x\n", x,y);
98	}	98	}
99	}	99	}
100	*/	100	*/
101	top += components[i].size;	101	top += components[i].size;
102	printf("done.\n");	102	printf("done.\n");
103	}	103	}
104		104
105	printf("\nBooting the kernel...\n");	105	printf("\nBooting the kernel...\n");
106	jump_to_kernel((void *) KERNEL_PHY_ADDRESS, &bootinfo, sizeof(bootinfo));	106	jump_to_kernel((void *) KERNEL_PHY_ADDRESS, &bootinfo, sizeof(bootinfo));
107	}	107	}
108		108
109		109