WebSVN – HelenOS – Diff – /branches/sparc/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];
 
char *release = RELEASE;
 
#ifdef REVISION
    char *revision = ", revision " REVISION;
#else
    char *revision = "";
#endif
 
#ifdef TIMESTAMP
    char *timestamp = "\nBuilt on " TIMESTAMP;
#else
    char *timestamp = "";
#endif
 
/** Print version information. */
static void version_print(void)
{
    printf("HelenOS SPARC64 Bootloader\nRelease %s%s%s\n"
        "Copyright (c) 2006 HelenOS project\n",
        release, revision, timestamp);
}
 
void bootstrap(void)
{
    version_print();
   
    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();
    }
 
    /*
     * SILO for some reason adds 0x400000 and subtracts
     * bootinfo.physmem_start to/from silo_ramdisk_image.
     * We just need plain physical address so we fix it up.
     */
    if (silo_ramdisk_image) {
        silo_ramdisk_image += bootinfo.physmem_start;
        silo_ramdisk_image -= 0x400000;
    }
   
    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);
 
        /*
         * At this point, we claim the physical memory that we are
         * going to use. We should be safe in case of the virtual
         * address space because the OpenFirmware, according to its
         * SPARC binding, should restrict its use of virtual memory
         * to addresses from [0xffd00000; 0xffefffff] and
         * [0xfe000000; 0xfeffffff].
         */
        (void) ofw_claim_phys(bootinfo.physmem_start + base + top,
            ALIGN_UP(components[i].size, 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");
    }
 
    /*
     * Claim the physical memory for the boot allocator.
     * Initialize the boot allocator.
     */
    (void) ofw_claim_phys(bootinfo.physmem_start +
        base + ALIGN_UP(top, PAGE_SIZE), BALLOC_MAX_SIZE);
    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");
 
#ifdef CONFIG_SMP
    printf("\nChecking for secondary processors...");
    if (!ofw_cpu())
        printf("Error: unable to get CPU properties\n");
    printf("done.\n");
#endif
 
    printf("\nBooting the kernel...\n");
    jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS,
        bootinfo.physmem_start | BSP_PROCESSOR, &bootinfo,
        sizeof(bootinfo));
}
 
 

Rev 3343	Rev 3397
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	char *release = RELEASE;	43	char *release = RELEASE;
44		44
45	#ifdef REVISION	45	#ifdef REVISION
46	char *revision = ", revision " REVISION;	46	char *revision = ", revision " REVISION;
47	#else	47	#else
48	char *revision = "";	48	char *revision = "";
49	#endif	49	#endif
50		50
51	#ifdef TIMESTAMP	51	#ifdef TIMESTAMP
52	char *timestamp = "\nBuilt on " TIMESTAMP;	52	char *timestamp = "\nBuilt on " TIMESTAMP;
53	#else	53	#else
54	char *timestamp = "";	54	char *timestamp = "";
55	#endif	55	#endif
56		56
57	/** Print version information. */	57	/** Print version information. */
58	static void version_print(void)	58	static void version_print(void)
59	{	59	{
60	printf("HelenOS SPARC64 Bootloader\nRelease %s%s%s\nCopyright (c) 2006 HelenOS project\n", release, revision, timestamp);	60	printf("HelenOS SPARC64 Bootloader\nRelease %s%s%s\n"
-		61	"Copyright (c) 2006 HelenOS project\n",
-		62	release, revision, timestamp);
61	}	63	}
62		64
63	void bootstrap(void)	65	void bootstrap(void)
64	{	66	{
65	version_print();	67	version_print();
66		68
67	init_components(components);	69	init_components(components);
68		70
69	if (!ofw_get_physmem_start(&bootinfo.physmem_start)) {	71	if (!ofw_get_physmem_start(&bootinfo.physmem_start)) {
70	printf("Error: unable to get start of physical memory.\n");	72	printf("Error: unable to get start of physical memory.\n");
71	halt();	73	halt();
72	}	74	}
73		75
74	if (!ofw_memmap(&bootinfo.memmap)) {	76	if (!ofw_memmap(&bootinfo.memmap)) {
75	printf("Error: unable to get memory map, halting.\n");	77	printf("Error: unable to get memory map, halting.\n");
76	halt();	78	halt();
77	}	79	}
78		80
79	if (bootinfo.memmap.total == 0) {	81	if (bootinfo.memmap.total == 0) {
80	printf("Error: no memory detected, halting.\n");	82	printf("Error: no memory detected, halting.\n");
81	halt();	83	halt();
82	}	84	}
-		85
-		86	/*
-		87	* SILO for some reason adds 0x400000 and subtracts
-		88	* bootinfo.physmem_start to/from silo_ramdisk_image.
-		89	* We just need plain physical address so we fix it up.
-		90	*/
-		91	if (silo_ramdisk_image) {
-		92	silo_ramdisk_image += bootinfo.physmem_start;
-		93	silo_ramdisk_image -= 0x400000;
-		94	}
83		95
84	printf("\nSystem info\n");	96	printf("\nSystem info\n");
85	printf(" memory: %dM starting at %P\n",	97	printf(" memory: %dM starting at %P\n",
86	bootinfo.memmap.total >> 20, bootinfo.physmem_start);	98	bootinfo.memmap.total >> 20, bootinfo.physmem_start);
87		99
88	printf("\nMemory statistics\n");	100	printf("\nMemory statistics\n");
89	printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS);	101	printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS);
90	printf(" %P: boot info structure\n", &bootinfo);	102	printf(" %P: boot info structure\n", &bootinfo);
91		103
92	unsigned int i;	104	unsigned int i;
93	for (i = 0; i < COMPONENTS; i++)	105	for (i = 0; i < COMPONENTS; i++)
94	printf(" %P: %s image (size %d bytes)\n", components[i].start,	106	printf(" %P: %s image (size %d bytes)\n", components[i].start,
95	components[i].name, components[i].size);	107	components[i].name, components[i].size);
96		108
97	void * base = (void *) KERNEL_VIRTUAL_ADDRESS;	109	void * base = (void *) KERNEL_VIRTUAL_ADDRESS;
98	unsigned int top = 0;	110	unsigned int top = 0;
99		111
100	printf("\nCopying components\n");	112	printf("\nCopying components\n");
101	bootinfo.taskmap.count = 0;	113	bootinfo.taskmap.count = 0;
102	for (i = 0; i < COMPONENTS; i++) {	114	for (i = 0; i < COMPONENTS; i++) {
103	printf(" %s...", components[i].name);	115	printf(" %s...", components[i].name);
104	top = ALIGN_UP(top, PAGE_SIZE);	116	top = ALIGN_UP(top, PAGE_SIZE);
105		117
106	/*	118	/*
107	* At this point, we claim the physical memory that we are	119	* At this point, we claim the physical memory that we are
108	* going to use. We should be safe in case of the virtual	120	* going to use. We should be safe in case of the virtual
109	* address space because the OpenFirmware, according to its	121	* address space because the OpenFirmware, according to its
110	* SPARC binding, should restrict its use of virtual memory	122	* SPARC binding, should restrict its use of virtual memory
111	* to addresses from [0xffd00000; 0xffefffff] and	123	* to addresses from [0xffd00000; 0xffefffff] and
112	* [0xfe000000; 0xfeffffff].	124	* [0xfe000000; 0xfeffffff].
113	*/	125	*/
114	(void) ofw_claim_phys(bootinfo.physmem_start + base + top,	126	(void) ofw_claim_phys(bootinfo.physmem_start + base + top,
115	ALIGN_UP(components[i].size, PAGE_SIZE));	127	ALIGN_UP(components[i].size, PAGE_SIZE));
116		128
117	memcpy(base + top, components[i].start, components[i].size);	129	memcpy(base + top, components[i].start, components[i].size);
118	if (i > 0) {	130	if (i > 0) {
119	bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr =	131	bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr =
120	base + top;	132	base + top;
121	bootinfo.taskmap.tasks[bootinfo.taskmap.count].size =	133	bootinfo.taskmap.tasks[bootinfo.taskmap.count].size =
122	components[i].size;	134	components[i].size;
123	bootinfo.taskmap.count++;	135	bootinfo.taskmap.count++;
124	}	136	}
125	top += components[i].size;	137	top += components[i].size;
126	printf("done.\n");	138	printf("done.\n");
127	}	139	}
128		140
129	/*	141	/*
130	* Claim the physical memory for the boot allocator.	142	* Claim the physical memory for the boot allocator.
131	* Initialize the boot allocator.	143	* Initialize the boot allocator.
132	*/	144	*/
133	(void) ofw_claim_phys(bootinfo.physmem_start +	145	(void) ofw_claim_phys(bootinfo.physmem_start +
134	base + ALIGN_UP(top, PAGE_SIZE), BALLOC_MAX_SIZE);	146	base + ALIGN_UP(top, PAGE_SIZE), BALLOC_MAX_SIZE);
135	balloc_init(&bootinfo.ballocs, ALIGN_UP(((uintptr_t) base) + top,	147	balloc_init(&bootinfo.ballocs, ALIGN_UP(((uintptr_t) base) + top,
136	PAGE_SIZE));	148	PAGE_SIZE));
137		149
138	printf("\nCanonizing OpenFirmware device tree...");	150	printf("\nCanonizing OpenFirmware device tree...");
139	bootinfo.ofw_root = ofw_tree_build();	151	bootinfo.ofw_root = ofw_tree_build();
140	printf("done.\n");	152	printf("done.\n");
141		153
142	#ifdef CONFIG_SMP	154	#ifdef CONFIG_SMP
143	printf("\nChecking for secondary processors...");	155	printf("\nChecking for secondary processors...");
144	if (!ofw_cpu())	156	if (!ofw_cpu())
145	printf("Error: unable to get CPU properties\n");	157	printf("Error: unable to get CPU properties\n");
146	printf("done.\n");	158	printf("done.\n");
147	#endif	159	#endif
148		160
149	printf("\nBooting the kernel...\n");	161	printf("\nBooting the kernel...\n");
150	jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS,	162	jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS,
151	bootinfo.physmem_start \| BSP_PROCESSOR, &bootinfo,	163	bootinfo.physmem_start \| BSP_PROCESSOR, &bootinfo,
152	sizeof(bootinfo));	164	sizeof(bootinfo));
153	}	165	}
154		166
155		167

Subversion Repositories HelenOS

(root)/branches/sparc/boot/arch/sparc64/loader/main.c – Rev 3343 → 3397