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.
 */
 
 
/** @addtogroup arm32boot
 * @{
 */
/** @file
 */
 
 
#include "main.h" 
#include "asm.h"
#include "_components.h"
#include <printf.h>
 
#include "mm.h"
 
/** Kernel entry point address. */
#define KERNEL_VIRTUAL_ADDRESS 0x80150000
 
 
char *release = RELEASE;
 
#ifdef REVISION
    char *revision = ", revision " REVISION;
#else
    char *revision = "";
#endif
 
#ifdef TIMESTAMP
    char *timestamp = "\nBuilt on " TIMESTAMP;
#else
    char *timestamp = "";
#endif
 
 
/** Prints bootloader version information. */
static void version_print(void)
{
    printf("HelenOS ARM32 Bootloader\nRelease %s%s%s\nCopyright (c) 2007 HelenOS project\n",
        release, revision, timestamp);
}
 
/** Copies all images (kernel + user tasks) to #KERNEL_VIRTUAL_ADDRESS and jumps there. */
void bootstrap(void)
{
    mmu_start();
    version_print();
 
    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, 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_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));
}
 
/** @}
 */
 
 

Rev 2323	Rev 2339
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		29
30	/** @addtogroup arm32boot	30	/** @addtogroup arm32boot
31	* @{	31	* @{
32	*/	32	*/
33	/** @file	33	/** @file
34	*/	34	*/
35		35
36		36
37	#include "main.h"	37	#include "main.h"
38	#include "asm.h"	38	#include "asm.h"
39	#include "_components.h"	39	#include "_components.h"
40	#include <printf.h>	40	#include <printf.h>
41		41
42	#include "mm.h"	42	#include "mm.h"
43		43
44	/** Kernel entry point address. */	44	/** Kernel entry point address. */
45	#define KERNEL_VIRTUAL_ADDRESS 0x80200000	45	#define KERNEL_VIRTUAL_ADDRESS 0x80150000
46		46
47		47
48	char *release = RELEASE;	48	char *release = RELEASE;
49		49
50	#ifdef REVISION	50	#ifdef REVISION
51	char *revision = ", revision " REVISION;	51	char *revision = ", revision " REVISION;
52	#else	52	#else
53	char *revision = "";	53	char *revision = "";
54	#endif	54	#endif
55		55
56	#ifdef TIMESTAMP	56	#ifdef TIMESTAMP
57	char *timestamp = "\nBuilt on " TIMESTAMP;	57	char *timestamp = "\nBuilt on " TIMESTAMP;
58	#else	58	#else
59	char *timestamp = "";	59	char *timestamp = "";
60	#endif	60	#endif
61		61
62		62
63	/** Prints bootloader version information. */	63	/** Prints bootloader version information. */
64	static void version_print(void)	64	static void version_print(void)
65	{	65	{
66	printf("HelenOS ARM32 Bootloader\nRelease %s%s%s\nCopyright (c) 2007 HelenOS project\n",	66	printf("HelenOS ARM32 Bootloader\nRelease %s%s%s\nCopyright (c) 2007 HelenOS project\n",
67	release, revision, timestamp);	67	release, revision, timestamp);
68	}	68	}
69		69
70	/** Copies all images (kernel + user tasks) to #KERNEL_VIRTUAL_ADDRESS and jumps there. */	70	/** Copies all images (kernel + user tasks) to #KERNEL_VIRTUAL_ADDRESS and jumps there. */
71	void bootstrap(void)	71	void bootstrap(void)
72	{	72	{
73	mmu_start();	73	mmu_start();
74	version_print();	74	version_print();
75		75
76	component_t components[COMPONENTS];	76	component_t components[COMPONENTS];
77	bootinfo_t bootinfo;	77	bootinfo_t bootinfo;
78	init_components(components);	78	init_components(components);
79		79
80	printf("\nMemory statistics\n");	80	printf("\nMemory statistics\n");
81	printf(" kernel entry point at %L\n", KERNEL_VIRTUAL_ADDRESS);	81	printf(" kernel entry point at %L\n", KERNEL_VIRTUAL_ADDRESS);
82	printf(" %L: boot info structure\n", &bootinfo);	82	printf(" %L: boot info structure\n", &bootinfo);
83		83
84	unsigned int i, j;	84	unsigned int i, j;
85	for (i = 0; i < COMPONENTS; i++) {	85	for (i = 0; i < COMPONENTS; i++) {
86	printf(" %L: %s image (size %d bytes)\n",	86	printf(" %L: %s image (size %d bytes)\n",
87	components[i].start, components[i].name, components[i].size);	87	components[i].start, components[i].name, components[i].size);
88	}	88	}
89		89
90	printf("\nCopying components\n");	90	printf("\nCopying components\n");
91		91
92	unsigned int top = 0;	92	unsigned int top = 0;
93	bootinfo.cnt = 0;	93	bootinfo.cnt = 0;
94	for (i = 0; i < COMPONENTS; i++) {	94	for (i = 0; i < COMPONENTS; i++) {
95	printf(" %s...", components[i].name);	95	printf(" %s...", components[i].name);
96	top = ALIGN_UP(top, PAGE_SIZE);	96	top = ALIGN_UP(top, PAGE_SIZE);
97	memcpy(((void *) KERNEL_VIRTUAL_ADDRESS) + top, components[i].start, components[i].size);	97	memcpy(((void *) KERNEL_VIRTUAL_ADDRESS) + top, components[i].start, components[i].size);
98	if (i > 0) {	98	if (i > 0) {
99	bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_VIRTUAL_ADDRESS) + top;	99	bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_VIRTUAL_ADDRESS) + top;
100	bootinfo.tasks[bootinfo.cnt].size = components[i].size;	100	bootinfo.tasks[bootinfo.cnt].size = components[i].size;
101	bootinfo.cnt++;	101	bootinfo.cnt++;
102	}	102	}
103	top += components[i].size;	103	top += components[i].size;
104	printf("done.\n");	104	printf("done.\n");
105	}	105	}
106		106
107	printf("\nBooting the kernel...\n");	107	printf("\nBooting the kernel...\n");
108	jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo));	108	jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo));
109	}	109	}
110		110
111	/** @}	111	/** @}
112	*/	112	*/
113		113
114		114

Subversion Repositories HelenOS

(root)/branches/arm/boot/arch/arm32/loader/main.c – Rev 2323 → 2339