Beispiel #1
0
int lib_get_sysinfo(void)
{
    int ret;

    /* Get the CPU speed (for delays). */
    lib_sysinfo.cpu_khz = get_cpu_speed();

#if IS_ENABLED(CONFIG_LP_MULTIBOOT)
    /* Get the information from the multiboot tables,
     * if they exist */
    get_multiboot_info(&lib_sysinfo);
#endif

    /* Get information from the coreboot tables,
     * if they exist */

    ret = get_coreboot_info(&lib_sysinfo);

    if (!lib_sysinfo.n_memranges) {
        /* If we can't get a good memory range, use the default. */
        lib_sysinfo.n_memranges = 2;

        lib_sysinfo.memrange[0].base = 0;
        lib_sysinfo.memrange[0].size = 640 * 1024;
        lib_sysinfo.memrange[0].type = CB_MEM_RAM;

        lib_sysinfo.memrange[1].base = 1024 * 1024;
        lib_sysinfo.memrange[1].size = 31 * 1024 * 1024;
        lib_sysinfo.memrange[1].type = CB_MEM_RAM;
    }

    return ret;
}
Beispiel #2
0
int arch_cpu_init(void)
{
	int ret = get_coreboot_info(&lib_sysinfo);
	if (ret != 0) {
		printf("Failed to parse coreboot tables.\n");
		return ret;
	}

	timestamp_init();

	return x86_cpu_init_f();
}
Beispiel #3
0
int lib_get_sysinfo(void)
{
    int ret;

    /* Get the CPU speed (for delays). */
    lib_sysinfo.cpu_khz = get_cpu_speed();

    /* Get information from the coreboot tables,
     * if they exist */
    ret = get_coreboot_info(&lib_sysinfo);

    /* If we can't get a good memory range, use the default. */
    if (!lib_sysinfo.n_memranges) {
        lib_sysinfo.n_memranges = 1;
        lib_sysinfo.memrange[0].base = 0;
        lib_sysinfo.memrange[0].size = 1024 * 1024;
        lib_sysinfo.memrange[0].type = CB_MEM_RAM;
    }

    return ret;
}
Beispiel #4
0
void kernel_init(multiboot_info_t *mboot_info)
{
	extern char __start_bss[], __stop_bss[];

	memset(__start_bss, 0, __stop_bss - __start_bss);
	/* mboot_info is a physical address.  while some arches currently have the
	 * lower memory mapped, everyone should have it mapped at kernbase by now.
	 * also, it might be in 'free' memory, so once we start dynamically using
	 * memory, we may clobber it. */
	multiboot_kaddr = (struct multiboot_info*)((physaddr_t)mboot_info
                                               + KERNBASE);
	extract_multiboot_cmdline(multiboot_kaddr);

	cons_init();
	print_cpuinfo();

	printk("Boot Command Line: '%s'\n", boot_cmdline);

	exception_table_init();
	cache_init();					// Determine systems's cache properties
	pmem_init(multiboot_kaddr);
	kmem_cache_init();              // Sets up slab allocator
	kmalloc_init();
	hashtable_init();
	radix_init();
	cache_color_alloc_init();       // Inits data structs
	colored_page_alloc_init();      // Allocates colors for agnostic processes
	acpiinit();
	topology_init();
	kthread_init();					/* might need to tweak when this happens */
	vmr_init();
	file_init();
	page_check();
	idt_init();
	kernel_msg_init();
	timer_init();
	vfs_init();
	devfs_init();
	train_timing();
	kb_buf_init(&cons_buf);
	arch_init();
	block_init();
	enable_irq();
	run_linker_funcs();
	/* reset/init devtab after linker funcs 3 and 4.  these run NIC and medium
	 * pre-inits, which need to happen before devether. */
	devtabreset();
	devtabinit();

#ifdef CONFIG_EXT2FS
	mount_fs(&ext2_fs_type, "/dev/ramdisk", "/mnt", 0);
#endif /* CONFIG_EXT2FS */
#ifdef CONFIG_ETH_AUDIO
	eth_audio_init();
#endif /* CONFIG_ETH_AUDIO */
	get_coreboot_info(&sysinfo);
	booting = 0;

#ifdef CONFIG_RUN_INIT_SCRIPT
	if (run_init_script()) {
		printk("Configured to run init script, but no script specified!\n");
		manager();
	}
#else
	manager();
#endif
}
Beispiel #5
0
static void
corebootinit(void)
{
	get_coreboot_info(&cbinfo);
}