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 <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);
   
    if (!ofw_keyboard(&bootinfo.keyboard))
        printf("Error: unable to get keyboard properties\n");
 
 
   
    printf("\nDevice statistics\n");
    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 – Rev 1790 → 1822

Rev 1790		Rev 1822
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 <align.h>	34	#include <align.h>
35		35
36	#define KERNEL_VIRTUAL_ADDRESS 0x400000	36	#define KERNEL_VIRTUAL_ADDRESS 0x400000
37		37
38	bootinfo_t bootinfo;	38	bootinfo_t bootinfo;
39		39
40	void bootstrap(void)	40	void bootstrap(void)
41	{	41	{
42	printf("HelenOS SPARC64 Bootloader\n");	42	printf("HelenOS SPARC64 Bootloader\n");
43		43
44	component_t components[COMPONENTS];	44	component_t components[COMPONENTS];
45	init_components(components);	45	init_components(components);
46		46
47	if (!ofw_memmap(&bootinfo.memmap)) {	47	if (!ofw_memmap(&bootinfo.memmap)) {
48	printf("Error: unable to get memory map, halting.\n");	48	printf("Error: unable to get memory map, halting.\n");
49	halt();	49	halt();
50	}	50	}
51		51
52	if (bootinfo.memmap.total == 0) {	52	if (bootinfo.memmap.total == 0) {
53	printf("Error: no memory detected, halting.\n");	53	printf("Error: no memory detected, halting.\n");
54	halt();	54	halt();
55	}	55	}
56		56
57	if (!ofw_screen(&bootinfo.screen)) {	57	if (!ofw_screen(&bootinfo.screen)) {
58	printf("Error: unable to get screen properties, halting.\n");	58	printf("Error: unable to get screen properties, halting.\n");
59	halt();	59	halt();
60	}	60	}
61	bootinfo.screen.addr = ofw_translate(bootinfo.screen.addr);	61	bootinfo.screen.addr = ofw_translate(bootinfo.screen.addr);
62		62
63	if (!ofw_keyboard(&bootinfo.keyboard)) {	63	if (!ofw_keyboard(&bootinfo.keyboard))
64	printf("Error: unable to get keyboard properties, halting.\n");	64	printf("Error: unable to get keyboard properties\n");
65	halt();	-
66	}	-
67		65
68	printf("\nDevice statistics\n");	66	printf("\nDevice statistics\n");
69	printf(" memory: %dM\n", bootinfo.memmap.total>>20);	67	printf(" memory: %dM\n", bootinfo.memmap.total>>20);
70	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);	68	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);
71	printf(" keyboard at %P (size %d bytes)\n", (uintptr_t) bootinfo.keyboard.addr, bootinfo.keyboard.size);	69	printf(" keyboard at %P (size %d bytes)\n", (uintptr_t) bootinfo.keyboard.addr, bootinfo.keyboard.size);
72		70
73	printf("\nMemory statistics\n");	71	printf("\nMemory statistics\n");
74	printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS);	72	printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS);
75	printf(" %P: boot info structure\n", &bootinfo);	73	printf(" %P: boot info structure\n", &bootinfo);
76		74
77	unsigned int i;	75	unsigned int i;
78	for (i = 0; i < COMPONENTS; i++)	76	for (i = 0; i < COMPONENTS; i++)
79	printf(" %P: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size);	77	printf(" %P: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size);
80		78
81	printf("\nCopying components\n");	79	printf("\nCopying components\n");
82	unsigned int top = 0;	80	unsigned int top = 0;
83	bootinfo.taskmap.count = 0;	81	bootinfo.taskmap.count = 0;
84	for (i = 0; i < COMPONENTS; i++) {	82	for (i = 0; i < COMPONENTS; i++) {
85	void * base = (void *) KERNEL_VIRTUAL_ADDRESS;	83	void * base = (void *) KERNEL_VIRTUAL_ADDRESS;
86		84
87	printf(" %s...", components[i].name);	85	printf(" %s...", components[i].name);
88	top = ALIGN_UP(top, PAGE_SIZE);	86	top = ALIGN_UP(top, PAGE_SIZE);
89	memcpy(base + top, components[i].start, components[i].size);	87	memcpy(base + top, components[i].start, components[i].size);
90	if (i > 0) {	88	if (i > 0) {
91	bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = base + top;	89	bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = base + top;
92	bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = components[i].size;	90	bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = components[i].size;
93	bootinfo.taskmap.count++;	91	bootinfo.taskmap.count++;
94	}	92	}
95	top += components[i].size;	93	top += components[i].size;
96	printf("done.\n");	94	printf("done.\n");
97	}	95	}
98		96
99	printf("\nBooting the kernel...\n");	97	printf("\nBooting the kernel...\n");
100	jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo));	98	jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo));
101	}	99	}
102		100