WebSVN – HelenOS – Diff – /trunk/boot/arch/sparc64/loader/main.c


/*
 * Copyright (C) 2005 Martin Decky
 * Copyright (C) 2006 Jakub Jermar
 * 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 <printf.h>
#include "asm.h"
#include "_components.h"
#include <balloc.h>
#include <ofw.h>
#include <ofw_tree.h>
#include "ofwarch.h"
#include <align.h>
 
bootinfo_t bootinfo;
component_t components[COMPONENTS];
 
void bootstrap(void)
{
    printf("HelenOS SPARC64 Bootloader\n");
   
    init_components(components);
 
    if (!ofw_memmap(&bootinfo.memmap)) {
        printf("Error: unable to get memory map, halting.\n");
        halt();
    }
   
    if (bootinfo.memmap.total == 0) {
        printf("Error: no memory detected, halting.\n");
        halt();
    }
   
    printf("\nSystem info\n");
    printf(" memory: %dM\n", bootinfo.memmap.total>>20);
 
    printf("\nMemory statistics\n");
    printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS);
    printf(" %P: boot info structure\n", &bootinfo);
   
    unsigned int i;
    for (i = 0; i < COMPONENTS; i++)
        printf(" %P: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size);
 
    void * base = (void *) KERNEL_VIRTUAL_ADDRESS;
    unsigned int top = 0;
 
    printf("\nCopying components\n");
    bootinfo.taskmap.count = 0;
    for (i = 0; i < COMPONENTS; i++) {
        printf(" %s...", components[i].name);
        top = ALIGN_UP(top, PAGE_SIZE);
        memcpy(base + top, components[i].start, components[i].size);
        if (i > 0) {
            bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = base + top;
            bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = components[i].size;
            bootinfo.taskmap.count++;
        }
        top += components[i].size;
        printf("done.\n");
    }
 
    balloc_init(&bootinfo.ballocs, ALIGN_UP(((uintptr_t) base) + top, PAGE_SIZE));
 
    printf("\nCanonizing OpenFirmware device tree...");
    bootinfo.ofw_root = ofw_tree_build();
    printf("done.\n");
 
    printf("\nChecking for secondary processors...");
    if (!ofw_cpu())
        printf("Error: unable to get cpu properties\n");
    printf("done.\n");
 
    printf("\nBooting the kernel...\n");
    jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, 1, &bootinfo, sizeof(bootinfo));
}
 

Subversion Repositories HelenOS

(root)/trunk/boot/arch/sparc64/loader/main.c – Rev 1972 → 1977

Rev 1972		Rev 1977
1	/*	1	/*
2	* Copyright (C) 2005 Martin Decky	2	* Copyright (C) 2005 Martin Decky
-		3	* Copyright (C) 2006 Jakub Jermar
3	* All rights reserved.	4	* All rights reserved.
4	*	5	*
5	* Redistribution and use in source and binary forms, with or without	6	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	7	* modification, are permitted provided that the following conditions
7	* are met:	8	* are met:
8	*	9	*
9	* - Redistributions of source code must retain the above copyright	10	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	11	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	12	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	13	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	14	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	15	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	16	* derived from this software without specific prior written permission.
16	*	17	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	18	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	19	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	20	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	21	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	22	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	23	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	24	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	25	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	26	* (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.	27	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	28	*/
28		29
29	#include "main.h"	30	#include "main.h"
30	#include <printf.h>	31	#include <printf.h>
31	#include "asm.h"	32	#include "asm.h"
32	#include "_components.h"	33	#include "_components.h"
33	#include <balloc.h>	34	#include <balloc.h>
34	#include <ofw.h>	35	#include <ofw.h>
35	#include <ofw_tree.h>	36	#include <ofw_tree.h>
36	#include "ofwarch.h"	37	#include "ofwarch.h"
37	#include <align.h>	38	#include <align.h>
38		39
39	bootinfo_t bootinfo;	40	bootinfo_t bootinfo;
40	component_t components[COMPONENTS];	41	component_t components[COMPONENTS];
41		42
42	void bootstrap(void)	43	void bootstrap(void)
43	{	44	{
44	printf("HelenOS SPARC64 Bootloader\n");	45	printf("HelenOS SPARC64 Bootloader\n");
45		46
46	init_components(components);	47	init_components(components);
47		48
48	if (!ofw_memmap(&bootinfo.memmap)) {	49	if (!ofw_memmap(&bootinfo.memmap)) {
49	printf("Error: unable to get memory map, halting.\n");	50	printf("Error: unable to get memory map, halting.\n");
50	halt();	51	halt();
51	}	52	}
52		53
53	if (bootinfo.memmap.total == 0) {	54	if (bootinfo.memmap.total == 0) {
54	printf("Error: no memory detected, halting.\n");	55	printf("Error: no memory detected, halting.\n");
55	halt();	56	halt();
56	}	57	}
57		58
58	printf("\nSystem info\n");	59	printf("\nSystem info\n");
59	printf(" memory: %dM\n", bootinfo.memmap.total>>20);	60	printf(" memory: %dM\n", bootinfo.memmap.total>>20);
60		61
61	printf("\nMemory statistics\n");	62	printf("\nMemory statistics\n");
62	printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS);	63	printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS);
63	printf(" %P: boot info structure\n", &bootinfo);	64	printf(" %P: boot info structure\n", &bootinfo);
64		65
65	unsigned int i;	66	unsigned int i;
66	for (i = 0; i < COMPONENTS; i++)	67	for (i = 0; i < COMPONENTS; i++)
67	printf(" %P: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size);	68	printf(" %P: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size);
68		69
69	void * base = (void *) KERNEL_VIRTUAL_ADDRESS;	70	void * base = (void *) KERNEL_VIRTUAL_ADDRESS;
70	unsigned int top = 0;	71	unsigned int top = 0;
71		72
72	printf("\nCopying components\n");	73	printf("\nCopying components\n");
73	bootinfo.taskmap.count = 0;	74	bootinfo.taskmap.count = 0;
74	for (i = 0; i < COMPONENTS; i++) {	75	for (i = 0; i < COMPONENTS; i++) {
75	printf(" %s...", components[i].name);	76	printf(" %s...", components[i].name);
76	top = ALIGN_UP(top, PAGE_SIZE);	77	top = ALIGN_UP(top, PAGE_SIZE);
77	memcpy(base + top, components[i].start, components[i].size);	78	memcpy(base + top, components[i].start, components[i].size);
78	if (i > 0) {	79	if (i > 0) {
79	bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = base + top;	80	bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = base + top;
80	bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = components[i].size;	81	bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = components[i].size;
81	bootinfo.taskmap.count++;	82	bootinfo.taskmap.count++;
82	}	83	}
83	top += components[i].size;	84	top += components[i].size;
84	printf("done.\n");	85	printf("done.\n");
85	}	86	}
86		87
87	balloc_init(&bootinfo.ballocs, ALIGN_UP(((uintptr_t) base) + top, PAGE_SIZE));	88	balloc_init(&bootinfo.ballocs, ALIGN_UP(((uintptr_t) base) + top, PAGE_SIZE));
88		89
89	printf("\nCanonizing OpenFirmware device tree...");	90	printf("\nCanonizing OpenFirmware device tree...");
90	bootinfo.ofw_root = ofw_tree_build();	91	bootinfo.ofw_root = ofw_tree_build();
91	printf("done.\n");	92	printf("done.\n");
92		93
93	printf("\nChecking for secondary processors...");	94	printf("\nChecking for secondary processors...");
94	if (!ofw_cpu())	95	if (!ofw_cpu())
95	printf("Error: unable to get cpu properties\n");	96	printf("Error: unable to get cpu properties\n");
96	printf("done.\n");	97	printf("done.\n");
97		98
98	printf("\nBooting the kernel...\n");	99	printf("\nBooting the kernel...\n");
99	jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, 1, &bootinfo, sizeof(bootinfo));	100	jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, 1, &bootinfo, sizeof(bootinfo));
100	}	101	}
101		102