/* * 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 #include "asm.h" #include "_components.h" #include #include #include #include "ofwarch.h" #include 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\nCopyright (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(); } 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)); }