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_get_physmem_start(&bootinfo.physmem_start)) {
        printf("Error: unable to get start of physical memory.\n");
        halt();
    }
 
    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 starting at %P\n",
        bootinfo.memmap.total >> 20, bootinfo.physmem_start);
 
    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,
        bootinfo.physmem_start | BSP_PROCESSOR, &bootinfo, sizeof(bootinfo));
}
 

Rev 1977	Rev 1978
1	/*	1	/*
2	* Copyright (C) 2005 Martin Decky	2	* Copyright (C) 2005 Martin Decky
3	* Copyright (C) 2006 Jakub Jermar	3	* Copyright (C) 2006 Jakub Jermar
4	* All rights reserved.	4	* All rights reserved.
5	*	5	*
6	* Redistribution and use in source and binary forms, with or without	6	* Redistribution and use in source and binary forms, with or without
7	* modification, are permitted provided that the following conditions	7	* modification, are permitted provided that the following conditions
8	* are met:	8	* are met:
9	*	9	*
10	* - Redistributions of source code must retain the above copyright	10	* - Redistributions of source code must retain the above copyright
11	* notice, this list of conditions and the following disclaimer.	11	* notice, this list of conditions and the following disclaimer.
12	* - Redistributions in binary form must reproduce the above copyright	12	* - Redistributions in binary form must reproduce the above copyright
13	* notice, this list of conditions and the following disclaimer in the	13	* notice, this list of conditions and the following disclaimer in the
14	* documentation and/or other materials provided with the distribution.	14	* documentation and/or other materials provided with the distribution.
15	* - 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
16	* derived from this software without specific prior written permission.	16	* derived from this software without specific prior written permission.
17	*	17	*
18	* 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
19	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	19	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	20	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21	* 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,
22	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	22	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23	* 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,
24	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	24	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	25	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26	* (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
27	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	27	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28	*/	28	*/
29		29
30	#include "main.h"	30	#include "main.h"
31	#include <printf.h>	31	#include <printf.h>
32	#include "asm.h"	32	#include "asm.h"
33	#include "_components.h"	33	#include "_components.h"
34	#include <balloc.h>	34	#include <balloc.h>
35	#include <ofw.h>	35	#include <ofw.h>
36	#include <ofw_tree.h>	36	#include <ofw_tree.h>
37	#include "ofwarch.h"	37	#include "ofwarch.h"
38	#include <align.h>	38	#include <align.h>
39		39
40	bootinfo_t bootinfo;	40	bootinfo_t bootinfo;
41	component_t components[COMPONENTS];	41	component_t components[COMPONENTS];
42		42
43	void bootstrap(void)	43	void bootstrap(void)
44	{	44	{
45	printf("HelenOS SPARC64 Bootloader\n");	45	printf("HelenOS SPARC64 Bootloader\n");
46		46
47	init_components(components);	47	init_components(components);
48		48
-		49	if (!ofw_get_physmem_start(&bootinfo.physmem_start)) {
-		50	printf("Error: unable to get start of physical memory.\n");
-		51	halt();
-		52	}
-		53
49	if (!ofw_memmap(&bootinfo.memmap)) {	54	if (!ofw_memmap(&bootinfo.memmap)) {
50	printf("Error: unable to get memory map, halting.\n");	55	printf("Error: unable to get memory map, halting.\n");
51	halt();	56	halt();
52	}	57	}
53		58
54	if (bootinfo.memmap.total == 0) {	59	if (bootinfo.memmap.total == 0) {
55	printf("Error: no memory detected, halting.\n");	60	printf("Error: no memory detected, halting.\n");
56	halt();	61	halt();
57	}	62	}
58		63
59	printf("\nSystem info\n");	64	printf("\nSystem info\n");
60	printf(" memory: %dM\n", bootinfo.memmap.total>>20);	65	printf(" memory: %dM starting at %P\n",
-		66	bootinfo.memmap.total >> 20, bootinfo.physmem_start);
61		67
62	printf("\nMemory statistics\n");	68	printf("\nMemory statistics\n");
63	printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS);	69	printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS);
64	printf(" %P: boot info structure\n", &bootinfo);	70	printf(" %P: boot info structure\n", &bootinfo);
65		71
66	unsigned int i;	72	unsigned int i;
67	for (i = 0; i < COMPONENTS; i++)	73	for (i = 0; i < COMPONENTS; i++)
68	printf(" %P: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size);	74	printf(" %P: %s image (size %d bytes)\n", components[i].start,
-		75	components[i].name, components[i].size);
69		76
70	void * base = (void *) KERNEL_VIRTUAL_ADDRESS;	77	void * base = (void *) KERNEL_VIRTUAL_ADDRESS;
71	unsigned int top = 0;	78	unsigned int top = 0;
72		79
73	printf("\nCopying components\n");	80	printf("\nCopying components\n");
74	bootinfo.taskmap.count = 0;	81	bootinfo.taskmap.count = 0;
75	for (i = 0; i < COMPONENTS; i++) {	82	for (i = 0; i < COMPONENTS; i++) {
76	printf(" %s...", components[i].name);	83	printf(" %s...", components[i].name);
77	top = ALIGN_UP(top, PAGE_SIZE);	84	top = ALIGN_UP(top, PAGE_SIZE);
78	memcpy(base + top, components[i].start, components[i].size);	85	memcpy(base + top, components[i].start, components[i].size);
79	if (i > 0) {	86	if (i > 0) {
80	bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = base + top;	87	bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = base + top;
81	bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = components[i].size;	88	bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = components[i].size;
82	bootinfo.taskmap.count++;	89	bootinfo.taskmap.count++;
83	}	90	}
84	top += components[i].size;	91	top += components[i].size;
85	printf("done.\n");	92	printf("done.\n");
86	}	93	}
87		94
88	balloc_init(&bootinfo.ballocs, ALIGN_UP(((uintptr_t) base) + top, PAGE_SIZE));	95	balloc_init(&bootinfo.ballocs, ALIGN_UP(((uintptr_t) base) + top, PAGE_SIZE));
89		96
90	printf("\nCanonizing OpenFirmware device tree...");	97	printf("\nCanonizing OpenFirmware device tree...");
91	bootinfo.ofw_root = ofw_tree_build();	98	bootinfo.ofw_root = ofw_tree_build();
92	printf("done.\n");	99	printf("done.\n");
93		100
94	printf("\nChecking for secondary processors...");	101	printf("\nChecking for secondary processors...");
95	if (!ofw_cpu())	102	if (!ofw_cpu())
96	printf("Error: unable to get cpu properties\n");	103	printf("Error: unable to get CPU properties\n");
97	printf("done.\n");	104	printf("done.\n");
98		105
99	printf("\nBooting the kernel...\n");	106	printf("\nBooting the kernel...\n");
100	jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, 1, &bootinfo, sizeof(bootinfo));	107	jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS,
-		108	bootinfo.physmem_start \| BSP_PROCESSOR, &bootinfo, sizeof(bootinfo));
101	}	109	}
102		110

Subversion Repositories HelenOS

(root)/trunk/boot/arch/sparc64/loader/main.c – Rev 1977 → 1978