WebSVN – HelenOS – Diff – /branches/arm/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>
 
#include "mm.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);
 
        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++;
        }
 
 
 
 
 
 
 
 
 
 
 
 
        top += components[i].size;
        printf("done.\n");
    }
   
    mm_kernel_mapping();
   
    printf("\nBooting the kernel...\n");
    jump_to_kernel((void *) PA2KA(KERNEL_PHY_ADDRESS), &bootinfo, sizeof(bootinfo));
}
 
 

Rev 2198	Rev 2236
1	/*	1	/*
2	* Copyright (c) 2007 Michal Kebrt	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	#include "mm.h"	34	#include "mm.h"
35		35
36	#define KERNEL_PHY_ADDRESS 0x00100000	36	#define KERNEL_PHY_ADDRESS 0x00100000
37		37
38	char *release = RELEASE;	38	char *release = RELEASE;
39		39
40	#ifdef REVISION	40	#ifdef REVISION
41	char *revision = ", revision " REVISION;	41	char *revision = ", revision " REVISION;
42	#else	42	#else
43	char *revision = "";	43	char *revision = "";
44	#endif	44	#endif
45		45
46	#ifdef TIMESTAMP	46	#ifdef TIMESTAMP
47	char *timestamp = "\nBuilt on " TIMESTAMP;	47	char *timestamp = "\nBuilt on " TIMESTAMP;
48	#else	48	#else
49	char *timestamp = "";	49	char *timestamp = "";
50	#endif	50	#endif
51		51
52	/** Print version information. */	52	/** Print version information. */
53	static void version_print(void)	53	static void version_print(void)
54	{	54	{
55	printf("HelenOS ARM32 Bootloader\nRelease %s%s%s\nCopyright (c) 2007 HelenOS project\n",	55	printf("HelenOS ARM32 Bootloader\nRelease %s%s%s\nCopyright (c) 2007 HelenOS project\n",
56	release, revision, timestamp);	56	release, revision, timestamp);
57	}	57	}
58		58
59	void bootstrap(void)	59	void bootstrap(void)
60	{	60	{
61	version_print();	61	version_print();
62		62
63	component_t components[COMPONENTS];	63	component_t components[COMPONENTS];
64	bootinfo_t bootinfo;	64	bootinfo_t bootinfo;
65	init_components(components);	65	init_components(components);
66		66
67	printf("\nMemory statistics\n");	67	printf("\nMemory statistics\n");
68	printf(" kernel entry point at %L\n", KERNEL_PHY_ADDRESS);	68	printf(" kernel entry point at %L\n", KERNEL_PHY_ADDRESS);
69	printf(" %L: boot info structure\n", &bootinfo);	69	printf(" %L: boot info structure\n", &bootinfo);
70		70
71	unsigned int i, j;	71	unsigned int i, j;
72	for (i = 0; i < COMPONENTS; i++) {	72	for (i = 0; i < COMPONENTS; i++) {
73	printf(" %L: %s image (size %d bytes)\n",	73	printf(" %L: %s image (size %d bytes)\n",
74	components[i].start, components[i].name, components[i].size);	74	components[i].start, components[i].name, components[i].size);
75	}	75	}
76		76
77	printf("\nAddr of page table : %L\n", page_table);	-
78		-
79	printf("\nCopying components\n");	77	printf("\nCopying components\n");
80	unsigned int top = 0;	78	unsigned int top = 0;
81	bootinfo.cnt = 0;	79	bootinfo.cnt = 0;
82	for (i = 0; i < COMPONENTS; i++) {	80	for (i = 0; i < COMPONENTS; i++) {
83	printf(" %s...", components[i].name);	81	printf(" %s...", components[i].name);
84	top = ALIGN_UP(top, PAGE_SIZE);	82	top = ALIGN_UP(top, PAGE_SIZE);
85	//printf("top %x", KERNEL_PHY_ADDRESS + top);	-
86	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);
87	if (i > 0) {	84	if (i > 0) {
88	bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_PHY_ADDRESS) + top;	85	bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_PHY_ADDRESS) + top;
89	bootinfo.tasks[bootinfo.cnt].size = components[i].size;	86	bootinfo.tasks[bootinfo.cnt].size = components[i].size;
90	bootinfo.cnt++;	87	bootinfo.cnt++;
91	}	88	}
92		89
93	/* TODO: memcpy test -> to be deleted */	-
94	/*	-
95	unsigned char x, y;	-
96	for (j=0; j < 20; ++j) {	-
97	x = ((unsigned char ) components[i].start + j);	-
98	y = ((unsigned char ) KERNEL_PHY_ADDRESS + top + j);	-
99	if (x != y) {	-
100	printf("!!! Error, %x != %x\n", x,y);	-
101	}	-
102	}	-
103	*/	-
104	top += components[i].size;	90	top += components[i].size;
105	printf("done.\n");	91	printf("done.\n");
106	}	92	}
107		93
108	mm_kernel_mapping();	94	mm_kernel_mapping();
109		95
110	printf("\nBooting the kernel...\n");	96	printf("\nBooting the kernel...\n");
111	jump_to_kernel((void *) PA2KA(KERNEL_PHY_ADDRESS), &bootinfo, sizeof(bootinfo));	97	jump_to_kernel((void *) PA2KA(KERNEL_PHY_ADDRESS), &bootinfo, sizeof(bootinfo));
112	}	98	}
113		99
114		100

Subversion Repositories HelenOS

(root)/branches/arm/boot/arch/arm32/loader/main.c – Rev 2198 → 2236