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>
#include <macros.h>
#include <string.h>
 
bootinfo_t bootinfo;
 
component_t components[COMPONENTS];
 
char *release = STRING(RELEASE);
 
#ifdef REVISION
    char *revision = ", revision " STRING(REVISION);
#else
    char *revision = "";
#endif
 
#ifdef TIMESTAMP
    char *timestamp = "\nBuilt on " STRING(TIMESTAMP);
#else
    char *timestamp = "";
#endif
 
/** UltraSPARC subarchitecture - 1 for US, 3 for US3 */
uint8_t subarchitecture;
 
/**
 * mask of the MID field inside the ICBUS_CONFIG register shifted by
 * MID_SHIFT bits to the right
 */
uint16_t mid_mask;
 
/** 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);
}
 
/* the lowest ID (read from the VER register) of some US3 CPU model */
#define FIRST_US3_CPU   0x14
 
/* the greatest ID (read from the VER register) of some US3 CPU model */
#define LAST_US3_CPU    0x19
 
/* UltraSPARC IIIi processor implementation code */
#define US_IIIi_CODE    0x15
 
/**
 * Sets the global variables "subarchitecture" and "mid_mask" to
 * correct values.
 */
static void detect_subarchitecture(void)
{
    uint64_t v;
    asm volatile ("rdpr %%ver, %0\n" : "=r" (v));
   
    v = (v << 16) >> 48;
    if ((v >= FIRST_US3_CPU) && (v <= LAST_US3_CPU)) {
        subarchitecture = SUBARCH_US3;
        if (v == US_IIIi_CODE)
            mid_mask = (1 << 5) - 1;
        else
            mid_mask = (1 << 10) - 1;
    } else if (v < FIRST_US3_CPU) {
        subarchitecture = SUBARCH_US;
        mid_mask = (1 << 5) - 1;
    } else {
        printf("\nThis CPU is not supported by HelenOS.");
    }
}
 
void bootstrap(void)
{
    void *base = (void *) KERNEL_VIRTUAL_ADDRESS;
    void *balloc_base;
    unsigned int top = 0;
    int i, j;
 
    version_print();
   
    detect_subarchitecture();
    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;
        /* Install 1:1 mapping for the ramdisk. */
        if (ofw_map((void *)((uintptr_t) silo_ramdisk_image),
            (void *)((uintptr_t) silo_ramdisk_image),
            silo_ramdisk_size, -1) != 0) {
            printf("Failed to map ramdisk.\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);
   
    /*
     * Figure out destination address for each component.
     * In this phase, we don't copy the components yet because we want to
     * to be careful not to overwrite anything, especially the components
     * which haven't been copied yet.
     */
    bootinfo.taskmap.count = 0;
    for (i = 0; i < COMPONENTS; i++) {
        printf(" %P: %s image (size %d bytes)\n", components[i].start,
            components[i].name, components[i].size);
        top = ALIGN_UP(top, PAGE_SIZE);
        if (i > 0) {
            if (bootinfo.taskmap.count == TASKMAP_MAX_RECORDS) {
                printf("Skipping superfluous components.\n");
                break;
            }
            bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr =
                base + top;
            bootinfo.taskmap.tasks[bootinfo.taskmap.count].size =
                components[i].size;
            strncpy(bootinfo.taskmap.tasks[
                bootinfo.taskmap.count].name, components[i].name,
                BOOTINFO_TASK_NAME_BUFLEN);
            bootinfo.taskmap.count++;
        }
        top += components[i].size;
    }
 
    j = bootinfo.taskmap.count - 1; /* do not consider ramdisk */
 
    if (silo_ramdisk_image) {
        /* Treat the ramdisk as the last bootinfo task. */
        if (bootinfo.taskmap.count == TASKMAP_MAX_RECORDS) {
            printf("Skipping ramdisk.\n");
            goto skip_ramdisk;
        }
        top = ALIGN_UP(top, PAGE_SIZE);
        bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr =
            base + top;
        bootinfo.taskmap.tasks[bootinfo.taskmap.count].size =
            silo_ramdisk_size;
        bootinfo.taskmap.count++;
        printf("\nCopying ramdisk...");
        /*
         * Claim and map the whole ramdisk as it may exceed the area
         * given to us by SILO.
         */
        (void) ofw_claim_phys(base + top, silo_ramdisk_size);
        (void) ofw_map(bootinfo.physmem_start + base + top, base + top,
            silo_ramdisk_size, -1);
        memmove(base + top, (void *)((uintptr_t)silo_ramdisk_image),
            silo_ramdisk_size);
        printf("done.\n");
        top += silo_ramdisk_size;
    }
skip_ramdisk:
 
    /*
     * Now we can proceed to copy the components. We do it in reverse order
     * so that we don't overwrite anything even if the components overlap
     * with base.
     */
    printf("\nCopying bootinfo tasks\n");
    for (i = COMPONENTS - 1; i > 0; i--, j--) {
        printf(" %s...", components[i].name);
 
        /*
         * 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].
         *
         * XXX We don't map this piece of memory. We simply rely on
         *     SILO to have it done for us already in this case.
         */
        (void) ofw_claim_phys(bootinfo.physmem_start +
            bootinfo.taskmap.tasks[j].addr,
            ALIGN_UP(components[i].size, PAGE_SIZE));
           
        memcpy((void *)bootinfo.taskmap.tasks[j].addr,
            components[i].start, components[i].size);
        printf("done.\n");
    }
 
    printf("\nCopying kernel...");
    (void) ofw_claim_phys(bootinfo.physmem_start + base,
        ALIGN_UP(components[0].size, PAGE_SIZE));
    memcpy(base, components[0].start, components[0].size);
    printf("done.\n");
 
    /*
     * Claim and map the physical memory for the boot allocator.
     * Initialize the boot allocator.
     */
    balloc_base = base + ALIGN_UP(top, PAGE_SIZE);
    (void) ofw_claim_phys(bootinfo.physmem_start + balloc_base,
        BALLOC_MAX_SIZE);
    (void) ofw_map(bootinfo.physmem_start + balloc_base, balloc_base,
        BALLOC_MAX_SIZE, -1);
    balloc_init(&bootinfo.ballocs, (uintptr_t)balloc_base);
 
    printf("\nCanonizing OpenFirmware device tree...");
    bootinfo.ofw_root = ofw_tree_build();
    printf("done.\n");
 
#ifdef CONFIG_AP
    printf("\nChecking for secondary processors...");
    if (!ofw_cpu())
        printf("Error: unable to get CPU properties\n");
    printf("done.\n");
#endif
 
    ofw_setup_palette();
 
    printf("\nBooting the kernel...\n");
    jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS,
        bootinfo.physmem_start | BSP_PROCESSOR, &bootinfo,
        sizeof(bootinfo));
}
 

Rev 3883	Rev 4032
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	#include <macros.h>	39	#include <macros.h>
40	#include <string.h>	40	#include <string.h>
41		41
42	bootinfo_t bootinfo;	42	bootinfo_t bootinfo;
43		43
44	component_t components[COMPONENTS];	44	component_t components[COMPONENTS];
45		45
46	char *release = STRING(RELEASE);	46	char *release = STRING(RELEASE);
47		47
48	#ifdef REVISION	48	#ifdef REVISION
49	char *revision = ", revision " STRING(REVISION);	49	char *revision = ", revision " STRING(REVISION);
50	#else	50	#else
51	char *revision = "";	51	char *revision = "";
52	#endif	52	#endif
53		53
54	#ifdef TIMESTAMP	54	#ifdef TIMESTAMP
55	char *timestamp = "\nBuilt on " STRING(TIMESTAMP);	55	char *timestamp = "\nBuilt on " STRING(TIMESTAMP);
56	#else	56	#else
57	char *timestamp = "";	57	char *timestamp = "";
58	#endif	58	#endif
59		59
60	/** UltraSPARC subarchitecture - 1 for US, 3 for US3 */	60	/** UltraSPARC subarchitecture - 1 for US, 3 for US3 */
61	uint8_t subarchitecture;	61	uint8_t subarchitecture;
62		62
63	/**	63	/**
64	* mask of the MID field inside the ICBUS_CONFIG register shifted by	64	* mask of the MID field inside the ICBUS_CONFIG register shifted by
65	* MID_SHIFT bits to the right	65	* MID_SHIFT bits to the right
66	*/	66	*/
67	uint16_t mid_mask;	67	uint16_t mid_mask;
68		68
69	/** Print version information. */	69	/** Print version information. */
70	static void version_print(void)	70	static void version_print(void)
71	{	71	{
72	printf("HelenOS SPARC64 Bootloader\nRelease %s%s%s\n"	72	printf("HelenOS SPARC64 Bootloader\nRelease %s%s%s\n"
73	"Copyright (c) 2006 HelenOS project\n",	73	"Copyright (c) 2006 HelenOS project\n",
74	release, revision, timestamp);	74	release, revision, timestamp);
75	}	75	}
76		76
77	/* the lowest ID (read from the VER register) of some US3 CPU model */	77	/* the lowest ID (read from the VER register) of some US3 CPU model */
78	#define FIRST_US3_CPU 0x14	78	#define FIRST_US3_CPU 0x14
79		79
80	/* the greatest ID (read from the VER register) of some US3 CPU model */	80	/* the greatest ID (read from the VER register) of some US3 CPU model */
81	#define LAST_US3_CPU 0x19	81	#define LAST_US3_CPU 0x19
82		82
83	/* UltraSPARC IIIi processor implementation code */	83	/* UltraSPARC IIIi processor implementation code */
84	#define US_IIIi_CODE 0x15	84	#define US_IIIi_CODE 0x15
85		85
86	/**	86	/**
87	* Sets the global variables "subarchitecture" and "mid_mask" to	87	* Sets the global variables "subarchitecture" and "mid_mask" to
88	* correct values.	88	* correct values.
89	*/	89	*/
90	static void detect_subarchitecture(void)	90	static void detect_subarchitecture(void)
91	{	91	{
92	uint64_t v;	92	uint64_t v;
93	asm volatile ("rdpr %%ver, %0\n" : "=r" (v));	93	asm volatile ("rdpr %%ver, %0\n" : "=r" (v));
94		94
95	v = (v << 16) >> 48;	95	v = (v << 16) >> 48;
96	if ((v >= FIRST_US3_CPU) && (v <= LAST_US3_CPU)) {	96	if ((v >= FIRST_US3_CPU) && (v <= LAST_US3_CPU)) {
97	subarchitecture = SUBARCH_US3;	97	subarchitecture = SUBARCH_US3;
98	if (v == US_IIIi_CODE)	98	if (v == US_IIIi_CODE)
99	mid_mask = (1 << 5) - 1;	99	mid_mask = (1 << 5) - 1;
100	else	100	else
101	mid_mask = (1 << 10) - 1;	101	mid_mask = (1 << 10) - 1;
102	} else if (v < FIRST_US3_CPU) {	102	} else if (v < FIRST_US3_CPU) {
103	subarchitecture = SUBARCH_US;	103	subarchitecture = SUBARCH_US;
104	mid_mask = (1 << 5) - 1;	104	mid_mask = (1 << 5) - 1;
105	} else {	105	} else {
106	printf("\nThis CPU is not supported by HelenOS.");	106	printf("\nThis CPU is not supported by HelenOS.");
107	}	107	}
108	}	108	}
109		109
110	void bootstrap(void)	110	void bootstrap(void)
111	{	111	{
112	void base = (void ) KERNEL_VIRTUAL_ADDRESS;	112	void base = (void ) KERNEL_VIRTUAL_ADDRESS;
113	void *balloc_base;	113	void *balloc_base;
114	unsigned int top = 0;	114	unsigned int top = 0;
115	int i, j;	115	int i, j;
116		116
117	version_print();	117	version_print();
118		118
119	detect_subarchitecture();	119	detect_subarchitecture();
120	init_components(components);	120	init_components(components);
121		121
122	if (!ofw_get_physmem_start(&bootinfo.physmem_start)) {	122	if (!ofw_get_physmem_start(&bootinfo.physmem_start)) {
123	printf("Error: unable to get start of physical memory.\n");	123	printf("Error: unable to get start of physical memory.\n");
124	halt();	124	halt();
125	}	125	}
126		126
127	if (!ofw_memmap(&bootinfo.memmap)) {	127	if (!ofw_memmap(&bootinfo.memmap)) {
128	printf("Error: unable to get memory map, halting.\n");	128	printf("Error: unable to get memory map, halting.\n");
129	halt();	129	halt();
130	}	130	}
131		131
132	if (bootinfo.memmap.total == 0) {	132	if (bootinfo.memmap.total == 0) {
133	printf("Error: no memory detected, halting.\n");	133	printf("Error: no memory detected, halting.\n");
134	halt();	134	halt();
135	}	135	}
136		136
137	/*	137	/*
138	* SILO for some reason adds 0x400000 and subtracts	138	* SILO for some reason adds 0x400000 and subtracts
139	* bootinfo.physmem_start to/from silo_ramdisk_image.	139	* bootinfo.physmem_start to/from silo_ramdisk_image.
140	* We just need plain physical address so we fix it up.	140	* We just need plain physical address so we fix it up.
141	*/	141	*/
142	if (silo_ramdisk_image) {	142	if (silo_ramdisk_image) {
143	silo_ramdisk_image += bootinfo.physmem_start;	143	silo_ramdisk_image += bootinfo.physmem_start;
144	silo_ramdisk_image -= 0x400000;	144	silo_ramdisk_image -= 0x400000;
145	/* Install 1:1 mapping for the ramdisk. */	145	/* Install 1:1 mapping for the ramdisk. */
146	if (ofw_map((void *)((uintptr_t) silo_ramdisk_image),	146	if (ofw_map((void *)((uintptr_t) silo_ramdisk_image),
147	(void *)((uintptr_t) silo_ramdisk_image),	147	(void *)((uintptr_t) silo_ramdisk_image),
148	silo_ramdisk_size, -1) != 0) {	148	silo_ramdisk_size, -1) != 0) {
149	printf("Failed to map ramdisk.\n");	149	printf("Failed to map ramdisk.\n");
150	halt();	150	halt();
151	}	151	}
152	}	152	}
153		153
154	printf("\nSystem info\n");	154	printf("\nSystem info\n");
155	printf(" memory: %dM starting at %P\n",	155	printf(" memory: %dM starting at %P\n",
156	bootinfo.memmap.total >> 20, bootinfo.physmem_start);	156	bootinfo.memmap.total >> 20, bootinfo.physmem_start);
157		157
158	printf("\nMemory statistics\n");	158	printf("\nMemory statistics\n");
159	printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS);	159	printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS);
160	printf(" %P: boot info structure\n", &bootinfo);	160	printf(" %P: boot info structure\n", &bootinfo);
161		161
162	/*	162	/*
163	* Figure out destination address for each component.	163	* Figure out destination address for each component.
164	* In this phase, we don't copy the components yet because we want to	164	* In this phase, we don't copy the components yet because we want to
165	* to be careful not to overwrite anything, especially the components	165	* to be careful not to overwrite anything, especially the components
166	* which haven't been copied yet.	166	* which haven't been copied yet.
167	*/	167	*/
168	bootinfo.taskmap.count = 0;	168	bootinfo.taskmap.count = 0;
169	for (i = 0; i < COMPONENTS; i++) {	169	for (i = 0; i < COMPONENTS; i++) {
170	printf(" %P: %s image (size %d bytes)\n", components[i].start,	170	printf(" %P: %s image (size %d bytes)\n", components[i].start,
171	components[i].name, components[i].size);	171	components[i].name, components[i].size);
172	top = ALIGN_UP(top, PAGE_SIZE);	172	top = ALIGN_UP(top, PAGE_SIZE);
173	if (i > 0) {	173	if (i > 0) {
174	if (bootinfo.taskmap.count == TASKMAP_MAX_RECORDS) {	174	if (bootinfo.taskmap.count == TASKMAP_MAX_RECORDS) {
175	printf("Skipping superfluous components.\n");	175	printf("Skipping superfluous components.\n");
176	break;	176	break;
177	}	177	}
178	bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr =	178	bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr =
179	base + top;	179	base + top;
180	bootinfo.taskmap.tasks[bootinfo.taskmap.count].size =	180	bootinfo.taskmap.tasks[bootinfo.taskmap.count].size =
181	components[i].size;	181	components[i].size;
-		182	strncpy(bootinfo.taskmap.tasks[
-		183	bootinfo.taskmap.count].name, components[i].name,
-		184	BOOTINFO_TASK_NAME_BUFLEN);
182	bootinfo.taskmap.count++;	185	bootinfo.taskmap.count++;
183	}	186	}
184	top += components[i].size;	187	top += components[i].size;
185	}	188	}
186		189
187	j = bootinfo.taskmap.count - 1; /* do not consider ramdisk */	190	j = bootinfo.taskmap.count - 1; /* do not consider ramdisk */
188		191
189	if (silo_ramdisk_image) {	192	if (silo_ramdisk_image) {
190	/* Treat the ramdisk as the last bootinfo task. */	193	/* Treat the ramdisk as the last bootinfo task. */
191	if (bootinfo.taskmap.count == TASKMAP_MAX_RECORDS) {	194	if (bootinfo.taskmap.count == TASKMAP_MAX_RECORDS) {
192	printf("Skipping ramdisk.\n");	195	printf("Skipping ramdisk.\n");
193	goto skip_ramdisk;	196	goto skip_ramdisk;
194	}	197	}
195	top = ALIGN_UP(top, PAGE_SIZE);	198	top = ALIGN_UP(top, PAGE_SIZE);
196	bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr =	199	bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr =
197	base + top;	200	base + top;
198	bootinfo.taskmap.tasks[bootinfo.taskmap.count].size =	201	bootinfo.taskmap.tasks[bootinfo.taskmap.count].size =
199	silo_ramdisk_size;	202	silo_ramdisk_size;
200	bootinfo.taskmap.count++;	203	bootinfo.taskmap.count++;
201	printf("\nCopying ramdisk...");	204	printf("\nCopying ramdisk...");
202	/*	205	/*
203	* Claim and map the whole ramdisk as it may exceed the area	206	* Claim and map the whole ramdisk as it may exceed the area
204	* given to us by SILO.	207	* given to us by SILO.
205	*/	208	*/
206	(void) ofw_claim_phys(base + top, silo_ramdisk_size);	209	(void) ofw_claim_phys(base + top, silo_ramdisk_size);
207	(void) ofw_map(bootinfo.physmem_start + base + top, base + top,	210	(void) ofw_map(bootinfo.physmem_start + base + top, base + top,
208	silo_ramdisk_size, -1);	211	silo_ramdisk_size, -1);
209	memmove(base + top, (void *)((uintptr_t)silo_ramdisk_image),	212	memmove(base + top, (void *)((uintptr_t)silo_ramdisk_image),
210	silo_ramdisk_size);	213	silo_ramdisk_size);
211	printf("done.\n");	214	printf("done.\n");
212	top += silo_ramdisk_size;	215	top += silo_ramdisk_size;
213	}	216	}
214	skip_ramdisk:	217	skip_ramdisk:
215		218
216	/*	219	/*
217	* Now we can proceed to copy the components. We do it in reverse order	220	* Now we can proceed to copy the components. We do it in reverse order
218	* so that we don't overwrite anything even if the components overlap	221	* so that we don't overwrite anything even if the components overlap
219	* with base.	222	* with base.
220	*/	223	*/
221	printf("\nCopying bootinfo tasks\n");	224	printf("\nCopying bootinfo tasks\n");
222	for (i = COMPONENTS - 1; i > 0; i--, j--) {	225	for (i = COMPONENTS - 1; i > 0; i--, j--) {
223	printf(" %s...", components[i].name);	226	printf(" %s...", components[i].name);
224		227
225	/*	228	/*
226	* At this point, we claim the physical memory that we are	229	* At this point, we claim the physical memory that we are
227	* going to use. We should be safe in case of the virtual	230	* going to use. We should be safe in case of the virtual
228	* address space because the OpenFirmware, according to its	231	* address space because the OpenFirmware, according to its
229	* SPARC binding, should restrict its use of virtual memory	232	* SPARC binding, should restrict its use of virtual memory
230	* to addresses from [0xffd00000; 0xffefffff] and	233	* to addresses from [0xffd00000; 0xffefffff] and
231	* [0xfe000000; 0xfeffffff].	234	* [0xfe000000; 0xfeffffff].
232	*	235	*
233	* XXX We don't map this piece of memory. We simply rely on	236	* XXX We don't map this piece of memory. We simply rely on
234	* SILO to have it done for us already in this case.	237	* SILO to have it done for us already in this case.
235	*/	238	*/
236	(void) ofw_claim_phys(bootinfo.physmem_start +	239	(void) ofw_claim_phys(bootinfo.physmem_start +
237	bootinfo.taskmap.tasks[j].addr,	240	bootinfo.taskmap.tasks[j].addr,
238	ALIGN_UP(components[i].size, PAGE_SIZE));	241	ALIGN_UP(components[i].size, PAGE_SIZE));
239		242
240	memcpy((void *)bootinfo.taskmap.tasks[j].addr,	243	memcpy((void *)bootinfo.taskmap.tasks[j].addr,
241	components[i].start, components[i].size);	244	components[i].start, components[i].size);
242	printf("done.\n");	245	printf("done.\n");
243	}	246	}
244		247
245	printf("\nCopying kernel...");	248	printf("\nCopying kernel...");
246	(void) ofw_claim_phys(bootinfo.physmem_start + base,	249	(void) ofw_claim_phys(bootinfo.physmem_start + base,
247	ALIGN_UP(components[0].size, PAGE_SIZE));	250	ALIGN_UP(components[0].size, PAGE_SIZE));
248	memcpy(base, components[0].start, components[0].size);	251	memcpy(base, components[0].start, components[0].size);
249	printf("done.\n");	252	printf("done.\n");
250		253
251	/*	254	/*
252	* Claim and map the physical memory for the boot allocator.	255	* Claim and map the physical memory for the boot allocator.
253	* Initialize the boot allocator.	256	* Initialize the boot allocator.
254	*/	257	*/
255	balloc_base = base + ALIGN_UP(top, PAGE_SIZE);	258	balloc_base = base + ALIGN_UP(top, PAGE_SIZE);
256	(void) ofw_claim_phys(bootinfo.physmem_start + balloc_base,	259	(void) ofw_claim_phys(bootinfo.physmem_start + balloc_base,
257	BALLOC_MAX_SIZE);	260	BALLOC_MAX_SIZE);
258	(void) ofw_map(bootinfo.physmem_start + balloc_base, balloc_base,	261	(void) ofw_map(bootinfo.physmem_start + balloc_base, balloc_base,
259	BALLOC_MAX_SIZE, -1);	262	BALLOC_MAX_SIZE, -1);
260	balloc_init(&bootinfo.ballocs, (uintptr_t)balloc_base);	263	balloc_init(&bootinfo.ballocs, (uintptr_t)balloc_base);
261		264
262	printf("\nCanonizing OpenFirmware device tree...");	265	printf("\nCanonizing OpenFirmware device tree...");
263	bootinfo.ofw_root = ofw_tree_build();	266	bootinfo.ofw_root = ofw_tree_build();
264	printf("done.\n");	267	printf("done.\n");
265		268
266	#ifdef CONFIG_AP	269	#ifdef CONFIG_AP
267	printf("\nChecking for secondary processors...");	270	printf("\nChecking for secondary processors...");
268	if (!ofw_cpu())	271	if (!ofw_cpu())
269	printf("Error: unable to get CPU properties\n");	272	printf("Error: unable to get CPU properties\n");
270	printf("done.\n");	273	printf("done.\n");
271	#endif	274	#endif
272		275
273	ofw_setup_palette();	276	ofw_setup_palette();
274		277
275	printf("\nBooting the kernel...\n");	278	printf("\nBooting the kernel...\n");
276	jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS,	279	jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS,
277	bootinfo.physmem_start \| BSP_PROCESSOR, &bootinfo,	280	bootinfo.physmem_start \| BSP_PROCESSOR, &bootinfo,
278	sizeof(bootinfo));	281	sizeof(bootinfo));
279	}	282	}
280		283

Subversion Repositories HelenOS

(root)/trunk/boot/arch/sparc64/loader/main.c @ 2071 – Rev 3883 → 4032