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


/*
 * Copyright (C) 2005 Martin Decky
 * 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>
 
#define KERNEL_VIRTUAL_ADDRESS 0x400000
 
bootinfo_t bootinfo;
 
void bootstrap(void)
{
    printf("HelenOS SPARC64 Bootloader\n");
 
    component_t components[COMPONENTS];
    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();
    }
   
    if (!ofw_screen(&bootinfo.screen)) {
        printf("Error: unable to get screen properties, halting.\n");
        halt();
    }
    bootinfo.screen.addr = ofw_translate(bootinfo.screen.addr);
    /* transform scanline to bytes with respect to potential alignment */
    bootinfo.screen.scanline = bootinfo.screen.scanline*bpp2align[bootinfo.screen.bpp >> 3];
   
 
 
 
    if (!ofw_cpu(&bootinfo.cpu))
        printf("Error: unable to get cpu properties\n");
 
    printf("\nDevice statistics\n");
    printf(" cpu: %dMHz\n", bootinfo.cpu.clock_frequency/1000000);
    printf(" memory: %dM\n", bootinfo.memmap.total>>20);
    printf(" screen at %P, resolution %dx%d, %d bpp (scanline %d bytes)\n", (uintptr_t) bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline);
 
 
    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("\nBooting the kernel...\n");
    jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo));
}
 

Subversion Repositories HelenOS

(root)/trunk/boot/arch/sparc64/loader/main.c – Rev 1894 → 1896

Rev 1894		Rev 1896
1	/*	1	/*
2	* Copyright (C) 2005 Martin Decky	2	* Copyright (C) 2005 Martin Decky
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 <printf.h>	30	#include <printf.h>
31	#include "asm.h"	31	#include "asm.h"
32	#include "_components.h"	32	#include "_components.h"
33	#include <balloc.h>	33	#include <balloc.h>
34	#include <ofw.h>	34	#include <ofw.h>
35	#include <ofw_tree.h>	35	#include <ofw_tree.h>
36	#include "ofwarch.h"	36	#include "ofwarch.h"
37	#include <align.h>	37	#include <align.h>
38		38
39	#define KERNEL_VIRTUAL_ADDRESS 0x400000	39	#define KERNEL_VIRTUAL_ADDRESS 0x400000
40		40
41	bootinfo_t bootinfo;	41	bootinfo_t bootinfo;
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	component_t components[COMPONENTS];	47	component_t components[COMPONENTS];
48	init_components(components);	48	init_components(components);
49		49
50	if (!ofw_memmap(&bootinfo.memmap)) {	50	if (!ofw_memmap(&bootinfo.memmap)) {
51	printf("Error: unable to get memory map, halting.\n");	51	printf("Error: unable to get memory map, halting.\n");
52	halt();	52	halt();
53	}	53	}
54		54
55	if (bootinfo.memmap.total == 0) {	55	if (bootinfo.memmap.total == 0) {
56	printf("Error: no memory detected, halting.\n");	56	printf("Error: no memory detected, halting.\n");
57	halt();	57	halt();
58	}	58	}
59		59
60	if (!ofw_screen(&bootinfo.screen)) {	60	if (!ofw_screen(&bootinfo.screen)) {
61	printf("Error: unable to get screen properties, halting.\n");	61	printf("Error: unable to get screen properties, halting.\n");
62	halt();	62	halt();
63	}	63	}
64	bootinfo.screen.addr = ofw_translate(bootinfo.screen.addr);	64	bootinfo.screen.addr = ofw_translate(bootinfo.screen.addr);
65	/* transform scanline to bytes with respect to potential alignment */	65	/* transform scanline to bytes with respect to potential alignment */
66	bootinfo.screen.scanline = bootinfo.screen.scanline*bpp2align[bootinfo.screen.bpp >> 3];	66	bootinfo.screen.scanline = bootinfo.screen.scanline*bpp2align[bootinfo.screen.bpp >> 3];
67		67
68	if (!ofw_keyboard(&bootinfo.keyboard))	-
69	printf("Error: unable to get keyboard properties\n");	-
70		-
71	if (!ofw_cpu(&bootinfo.cpu))	68	if (!ofw_cpu(&bootinfo.cpu))
72	printf("Error: unable to get cpu properties\n");	69	printf("Error: unable to get cpu properties\n");
73		70
74	printf("\nDevice statistics\n");	71	printf("\nDevice statistics\n");
75	printf(" cpu: %dMHz\n", bootinfo.cpu.clock_frequency/1000000);	72	printf(" cpu: %dMHz\n", bootinfo.cpu.clock_frequency/1000000);
76	printf(" memory: %dM\n", bootinfo.memmap.total>>20);	73	printf(" memory: %dM\n", bootinfo.memmap.total>>20);
77	printf(" screen at %P, resolution %dx%d, %d bpp (scanline %d bytes)\n", (uintptr_t) bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline);	74	printf(" screen at %P, resolution %dx%d, %d bpp (scanline %d bytes)\n", (uintptr_t) bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline);
78	printf(" keyboard at %P (size %d bytes)\n", (uintptr_t) bootinfo.keyboard.addr, bootinfo.keyboard.size);	-
79		75
80	printf("\nMemory statistics\n");	76	printf("\nMemory statistics\n");
81	printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS);	77	printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS);
82	printf(" %P: boot info structure\n", &bootinfo);	78	printf(" %P: boot info structure\n", &bootinfo);
83		79
84	unsigned int i;	80	unsigned int i;
85	for (i = 0; i < COMPONENTS; i++)	81	for (i = 0; i < COMPONENTS; i++)
86	printf(" %P: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size);	82	printf(" %P: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size);
87		83
88	void * base = (void *) KERNEL_VIRTUAL_ADDRESS;	84	void * base = (void *) KERNEL_VIRTUAL_ADDRESS;
89	unsigned int top = 0;	85	unsigned int top = 0;
90		86
91	printf("\nCopying components\n");	87	printf("\nCopying components\n");
92	bootinfo.taskmap.count = 0;	88	bootinfo.taskmap.count = 0;
93	for (i = 0; i < COMPONENTS; i++) {	89	for (i = 0; i < COMPONENTS; i++) {
94	printf(" %s...", components[i].name);	90	printf(" %s...", components[i].name);
95	top = ALIGN_UP(top, PAGE_SIZE);	91	top = ALIGN_UP(top, PAGE_SIZE);
96	memcpy(base + top, components[i].start, components[i].size);	92	memcpy(base + top, components[i].start, components[i].size);
97	if (i > 0) {	93	if (i > 0) {
98	bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = base + top;	94	bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = base + top;
99	bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = components[i].size;	95	bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = components[i].size;
100	bootinfo.taskmap.count++;	96	bootinfo.taskmap.count++;
101	}	97	}
102	top += components[i].size;	98	top += components[i].size;
103	printf("done.\n");	99	printf("done.\n");
104	}	100	}
105		101
106	balloc_init(&bootinfo.ballocs, ALIGN_UP(((uintptr_t) base) + top, PAGE_SIZE));	102	balloc_init(&bootinfo.ballocs, ALIGN_UP(((uintptr_t) base) + top, PAGE_SIZE));
107		103
108	printf("\nCanonizing OpenFirmware device tree...");	104	printf("\nCanonizing OpenFirmware device tree...");
109	bootinfo.ofw_root = ofw_tree_build();	105	bootinfo.ofw_root = ofw_tree_build();
110	printf("done.\n");	106	printf("done.\n");
111		107
112	printf("\nBooting the kernel...\n");	108	printf("\nBooting the kernel...\n");
113	jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo));	109	jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo));
114	}	110	}
115		111