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.
 */
 
 
/** @addtogroup arm32boot
 * @{
 */
/** @file
 *  @brief Bootstrap.
 */
 
 
#include "main.h"
#include "asm.h"
#include "_components.h"
#include <printf.h>
#include <align.h>
#include <macros.h>
#include <string.h>
 
#include "mm.h"
 
/** Kernel entry point address. */
#define KERNEL_VIRTUAL_ADDRESS 0x80200000
 
 
char *release = STRING(RELEASE);
 
#ifdef REVISION
    char *revision = ", revision " STRING(REVISION);
#else
    char *revision = "";
#endif
 
#ifdef TIMESTAMP
    char *timestamp = "\nBuilt on " STRING(TIMESTAMP);
#else
    char *timestamp = "";
#endif
 
 
/** Prints bootloader version information. */
static void version_print(void)
{
    printf("HelenOS ARM32 Bootloader\nRelease %s%s%s\nCopyright (c) 2009 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];
    init_components(components);
   
    bootinfo_t bootinfo;
   
    printf("\nMemory statistics\n");
    printf(" kernel entry point at %L\n", KERNEL_VIRTUAL_ADDRESS);
    printf(" %L: boot info structure\n", &bootinfo);
 
    unsigned int top = 0;
    bootinfo.cnt = 0;
    unsigned int i, j;
    for (i = 0; i < COMPONENTS; i++) {
 
 
        top = ALIGN_UP(top, KERNEL_PAGE_SIZE);
        if (i > 0) {
            bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_VIRTUAL_ADDRESS) + top;
            bootinfo.tasks[bootinfo.cnt].size = components[i].size;
            strncpy(bootinfo.tasks[bootinfo.cnt].name,
                components[i].name, BOOTINFO_TASK_NAME_BUFLEN);
            bootinfo.cnt++;
        }
        top += components[i].size;
    }
    j = bootinfo.cnt - 1;
 
    printf("\nCopying components\n");
 
    printf("Component\tAddress\t\tSize (Bytes)\n");
    printf("============================================\n");
    for (i = COMPONENTS - 1; i > 0; i--, j--) {
        printf("%s\t\t0x%x\t%d\n", components[i].name, bootinfo.tasks[j].addr, components[i].size);
        memcpy((void *)bootinfo.tasks[j].addr, components[i].start,
            components[i].size);
 
    }
    printf("KERNEL\t\t0x%x\t%d\n", KERNEL_VIRTUAL_ADDRESS, components[0].size);
 
 
    memcpy((void *)KERNEL_VIRTUAL_ADDRESS, components[0].start,
        components[0].size);
 
 
    printf("\nBooting the kernel...\n");
    jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo);
}
 
/** @}
 */
 
 

Rev 4581	Rev 4718
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	* @brief Bootstrap.	34	* @brief Bootstrap.
35	*/	35	*/
36		36
37		37
38	#include "main.h"	38	#include "main.h"
39	#include "asm.h"	39	#include "asm.h"
40	#include "_components.h"	40	#include "_components.h"
41	#include <printf.h>	41	#include <printf.h>
42	#include <align.h>	42	#include <align.h>
43	#include <macros.h>	43	#include <macros.h>
44	#include <string.h>	44	#include <string.h>
45		45
46	#include "mm.h"	46	#include "mm.h"
47		47
48	/** Kernel entry point address. */	48	/** Kernel entry point address. */
49	#define KERNEL_VIRTUAL_ADDRESS 0x80200000	49	#define KERNEL_VIRTUAL_ADDRESS 0x80200000
50		50
51		51
52	char *release = STRING(RELEASE);	52	char *release = STRING(RELEASE);
53		53
54	#ifdef REVISION	54	#ifdef REVISION
55	char *revision = ", revision " STRING(REVISION);	55	char *revision = ", revision " STRING(REVISION);
56	#else	56	#else
57	char *revision = "";	57	char *revision = "";
58	#endif	58	#endif
59		59
60	#ifdef TIMESTAMP	60	#ifdef TIMESTAMP
61	char *timestamp = "\nBuilt on " STRING(TIMESTAMP);	61	char *timestamp = "\nBuilt on " STRING(TIMESTAMP);
62	#else	62	#else
63	char *timestamp = "";	63	char *timestamp = "";
64	#endif	64	#endif
65		65
66		66
67	/** Prints bootloader version information. */	67	/** Prints bootloader version information. */
68	static void version_print(void)	68	static void version_print(void)
69	{	69	{
70	printf("HelenOS ARM32 Bootloader\nRelease %s%s%s\nCopyright (c) 2007 HelenOS project\n",	70	printf("HelenOS ARM32 Bootloader\nRelease %s%s%s\nCopyright (c) 2009 HelenOS project\n",
71	release, revision, timestamp);	71	release, revision, timestamp);
72	}	72	}
73		73
74		74
75	/** Copies all images (kernel + user tasks) to #KERNEL_VIRTUAL_ADDRESS and jumps there. */	75	/** Copies all images (kernel + user tasks) to #KERNEL_VIRTUAL_ADDRESS and jumps there. */
76	void bootstrap(void)	76	void bootstrap(void)
77	{	77	{
78	mmu_start();	78	mmu_start();
79	version_print();	79	version_print();
80		80
81	component_t components[COMPONENTS];	81	component_t components[COMPONENTS];
82	init_components(components);	82	init_components(components);
83		83
84	bootinfo_t bootinfo;	84	bootinfo_t bootinfo;
85		85
86	printf("\nMemory statistics\n");	86	printf("\nMemory statistics\n");
87	printf(" kernel entry point at %L\n", KERNEL_VIRTUAL_ADDRESS);	87	printf(" kernel entry point at %L\n", KERNEL_VIRTUAL_ADDRESS);
88	printf(" %L: boot info structure\n", &bootinfo);	88	printf(" %L: boot info structure\n", &bootinfo);
89		89
90	unsigned int top = 0;	90	unsigned int top = 0;
91	bootinfo.cnt = 0;	91	bootinfo.cnt = 0;
92	unsigned int i, j;	92	unsigned int i, j;
93	for (i = 0; i < COMPONENTS; i++) {	93	for (i = 0; i < COMPONENTS; i++) {
94	printf(" %L: %s image (size %d bytes)\n",	-
95	components[i].start, components[i].name, components[i].size);	-
96	top = ALIGN_UP(top, KERNEL_PAGE_SIZE);	94	top = ALIGN_UP(top, KERNEL_PAGE_SIZE);
97	if (i > 0) {	95	if (i > 0) {
98	bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_VIRTUAL_ADDRESS) + top;	96	bootinfo.tasks[bootinfo.cnt].addr = ((void *) KERNEL_VIRTUAL_ADDRESS) + top;
99	bootinfo.tasks[bootinfo.cnt].size = components[i].size;	97	bootinfo.tasks[bootinfo.cnt].size = components[i].size;
100	strncpy(bootinfo.tasks[bootinfo.cnt].name,	98	strncpy(bootinfo.tasks[bootinfo.cnt].name,
101	components[i].name, BOOTINFO_TASK_NAME_BUFLEN);	99	components[i].name, BOOTINFO_TASK_NAME_BUFLEN);
102	bootinfo.cnt++;	100	bootinfo.cnt++;
103	}	101	}
104	top += components[i].size;	102	top += components[i].size;
105	}	103	}
106	j = bootinfo.cnt - 1;	104	j = bootinfo.cnt - 1;
107		105
108	printf("\nCopying components\n");	106	printf("\nCopying components\n");
109		-
-		107	printf("Component\tAddress\t\tSize (Bytes)\n");
-		108	printf("============================================\n");
110	for (i = COMPONENTS - 1; i > 0; i--, j--) {	109	for (i = COMPONENTS - 1; i > 0; i--, j--) {
111	printf(" %s...", components[i].name);	110	printf("%s\t\t0x%x\t%d\n", components[i].name, bootinfo.tasks[j].addr, components[i].size);
112	memcpy((void *)bootinfo.tasks[j].addr, components[i].start,	111	memcpy((void *)bootinfo.tasks[j].addr, components[i].start,
113	components[i].size);	112	components[i].size);
114	printf("done.\n");	-
115	}	113	}
-		114	printf("KERNEL\t\t0x%x\t%d\n", KERNEL_VIRTUAL_ADDRESS, components[0].size);
116		115
117	printf("\nCopying kernel...");	-
118	memcpy((void *)KERNEL_VIRTUAL_ADDRESS, components[0].start,	116	memcpy((void *)KERNEL_VIRTUAL_ADDRESS, components[0].start,
119	components[0].size);	117	components[0].size);
120	printf("done.\n");	-
121		118
122	printf("\nBooting the kernel...\n");	119	printf("\nBooting the kernel...\n");
123	jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo);	120	jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo);
124	}	121	}
125		122
126	/** @}	123	/** @}
127	*/	124	*/
128		125
129		126

Subversion Repositories HelenOS

(root)/branches/network/boot/arch/arm32/loader/main.c – Rev 4581 → 4718