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 <ofw.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_keyboard(&bootinfo.keyboard))
        printf("Error: unable to get keyboard properties\n");
 
    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(" keyboard at %P (size %d bytes)\n", (uintptr_t) bootinfo.keyboard.addr, bootinfo.keyboard.size);
 
    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);
 
    printf("\nCopying components\n");
    unsigned int top = 0;
    bootinfo.taskmap.count = 0;
    for (i = 0; i < COMPONENTS; i++) {
        void * base = (void *) KERNEL_VIRTUAL_ADDRESS;
   
        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");
    }
 
    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 @ 1822 – Rev 1837 → 1881

Rev 1837		Rev 1881
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 <ofw.h>	33	#include <ofw.h>
34	#include "ofwarch.h"	34	#include "ofwarch.h"
35	#include <align.h>	35	#include <align.h>
36		36
37	#define KERNEL_VIRTUAL_ADDRESS 0x400000	37	#define KERNEL_VIRTUAL_ADDRESS 0x400000
38		38
39	bootinfo_t bootinfo;	39	bootinfo_t bootinfo;
40		40
41	void bootstrap(void)	41	void bootstrap(void)
42	{	42	{
43	printf("HelenOS SPARC64 Bootloader\n");	43	printf("HelenOS SPARC64 Bootloader\n");
44		44
45	component_t components[COMPONENTS];	45	component_t components[COMPONENTS];
46	init_components(components);	46	init_components(components);
47		47
48	if (!ofw_memmap(&bootinfo.memmap)) {	48	if (!ofw_memmap(&bootinfo.memmap)) {
49	printf("Error: unable to get memory map, halting.\n");	49	printf("Error: unable to get memory map, halting.\n");
50	halt();	50	halt();
51	}	51	}
52		52
53	if (bootinfo.memmap.total == 0) {	53	if (bootinfo.memmap.total == 0) {
54	printf("Error: no memory detected, halting.\n");	54	printf("Error: no memory detected, halting.\n");
55	halt();	55	halt();
56	}	56	}
57		57
58	if (!ofw_screen(&bootinfo.screen)) {	58	if (!ofw_screen(&bootinfo.screen)) {
59	printf("Error: unable to get screen properties, halting.\n");	59	printf("Error: unable to get screen properties, halting.\n");
60	halt();	60	halt();
61	}	61	}
62	bootinfo.screen.addr = ofw_translate(bootinfo.screen.addr);	62	bootinfo.screen.addr = ofw_translate(bootinfo.screen.addr);
63	/* transform scanline to bytes with respect to potential alignment */	63	/* transform scanline to bytes with respect to potential alignment */
64	bootinfo.screen.scanline = bootinfo.screen.scanline*bpp2align[bootinfo.screen.bpp >> 3];	64	bootinfo.screen.scanline = bootinfo.screen.scanline*bpp2align[bootinfo.screen.bpp >> 3];
65		65
66	if (!ofw_keyboard(&bootinfo.keyboard))	66	if (!ofw_keyboard(&bootinfo.keyboard))
67	printf("Error: unable to get keyboard properties\n");	67	printf("Error: unable to get keyboard properties\n");
68		68
-		69	if (!ofw_cpu(&bootinfo.cpu))
-		70	printf("Error: unable to get cpu properties\n");
-		71
69	printf("\nDevice statistics\n");	72	printf("\nDevice statistics\n");
-		73	printf(" cpu: %dMHz\n", bootinfo.cpu.clock_frequency/1000000);
70	printf(" memory: %dM\n", bootinfo.memmap.total>>20);	74	printf(" memory: %dM\n", bootinfo.memmap.total>>20);
71	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);	75	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);
72	printf(" keyboard at %P (size %d bytes)\n", (uintptr_t) bootinfo.keyboard.addr, bootinfo.keyboard.size);	76	printf(" keyboard at %P (size %d bytes)\n", (uintptr_t) bootinfo.keyboard.addr, bootinfo.keyboard.size);
73		77
74	printf("\nMemory statistics\n");	78	printf("\nMemory statistics\n");
75	printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS);	79	printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS);
76	printf(" %P: boot info structure\n", &bootinfo);	80	printf(" %P: boot info structure\n", &bootinfo);
77		81
78	unsigned int i;	82	unsigned int i;
79	for (i = 0; i < COMPONENTS; i++)	83	for (i = 0; i < COMPONENTS; i++)
80	printf(" %P: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size);	84	printf(" %P: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size);
81		85
82	printf("\nCopying components\n");	86	printf("\nCopying components\n");
83	unsigned int top = 0;	87	unsigned int top = 0;
84	bootinfo.taskmap.count = 0;	88	bootinfo.taskmap.count = 0;
85	for (i = 0; i < COMPONENTS; i++) {	89	for (i = 0; i < COMPONENTS; i++) {
86	void * base = (void *) KERNEL_VIRTUAL_ADDRESS;	90	void * base = (void *) KERNEL_VIRTUAL_ADDRESS;
87		91
88	printf(" %s...", components[i].name);	92	printf(" %s...", components[i].name);
89	top = ALIGN_UP(top, PAGE_SIZE);	93	top = ALIGN_UP(top, PAGE_SIZE);
90	memcpy(base + top, components[i].start, components[i].size);	94	memcpy(base + top, components[i].start, components[i].size);
91	if (i > 0) {	95	if (i > 0) {
92	bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = base + top;	96	bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = base + top;
93	bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = components[i].size;	97	bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = components[i].size;
94	bootinfo.taskmap.count++;	98	bootinfo.taskmap.count++;
95	}	99	}
96	top += components[i].size;	100	top += components[i].size;
97	printf("done.\n");	101	printf("done.\n");
98	}	102	}
99		103
100	printf("\nBooting the kernel...\n");	104	printf("\nBooting the kernel...\n");
101	jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo));	105	jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo));
102	}	106	}
103		107