示例#1
0
void __init
ia64_sal_init (struct ia64_sal_systab *systab)
{
	char *p;
	int i;

	if (!systab) {
		printk(KERN_WARNING "Hmm, no SAL System Table.\n");
		return;
	}

	if (strncmp(systab->signature, "SST_", 4) != 0)
		printk(KERN_ERR "bad signature in system table!");

	check_versions(systab);
#ifdef CONFIG_SMP
	chk_nointroute_opt();
#endif

	/* revisions are coded in BCD, so %x does the job for us */
	printk(KERN_INFO "SAL %x.%x: %.32s %.32s%sversion %x.%x\n",
			SAL_MAJOR(sal_revision), SAL_MINOR(sal_revision),
			systab->oem_id, systab->product_id,
			systab->product_id[0] ? " " : "",
			SAL_MAJOR(sal_version), SAL_MINOR(sal_version));

	p = (char *) (systab + 1);
	for (i = 0; i < systab->entry_count; i++) {
		/*
		 * The first byte of each entry type contains the type
		 * descriptor.
		 */
		switch (*p) {
		case SAL_DESC_ENTRY_POINT:
			sal_desc_entry_point(p);
			break;
		case SAL_DESC_PLATFORM_FEATURE:
			sal_desc_platform_feature(p);
			break;
		case SAL_DESC_PTC:
			ia64_ptc_domain_info = (ia64_sal_desc_ptc_t *)p;
			break;
		case SAL_DESC_AP_WAKEUP:
			sal_desc_ap_wakeup(p);
			break;
		}
		p += SAL_DESC_SIZE(*p);
	}

	check_sal_cache_flush();
}
示例#2
0
void __init
setup_arch (char **cmdline_p)
{
	unw_init();

	ia64_patch_vtop((u64) __start___vtop_patchlist, (u64) __end___vtop_patchlist);

	*cmdline_p = __va(ia64_boot_param->command_line);
	strlcpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE);

	efi_init();
	io_port_init();

	parse_early_param();

#ifdef CONFIG_IA64_GENERIC
	machvec_init(NULL);
#endif

	if (early_console_setup(*cmdline_p) == 0)
		mark_bsp_online();

#ifdef CONFIG_ACPI
	/* Initialize the ACPI boot-time table parser */
	acpi_table_init();
# ifdef CONFIG_ACPI_NUMA
	acpi_numa_init();
# endif
#else
# ifdef CONFIG_SMP
	smp_build_cpu_map();	/* happens, e.g., with the Ski simulator */
# endif
#endif /* CONFIG_APCI_BOOT */

	find_memory();

	/* process SAL system table: */
	ia64_sal_init(__va(efi.sal_systab));

	ia64_setup_printk_clock();

#ifdef CONFIG_SMP
	cpu_physical_id(0) = hard_smp_processor_id();

	cpu_set(0, cpu_sibling_map[0]);
	cpu_set(0, cpu_core_map[0]);

	check_for_logical_procs();
	if (smp_num_cpucores > 1)
		printk(KERN_INFO
		       "cpu package is Multi-Core capable: number of cores=%d\n",
		       smp_num_cpucores);
	if (smp_num_siblings > 1)
		printk(KERN_INFO
		       "cpu package is Multi-Threading capable: number of siblings=%d\n",
		       smp_num_siblings);
#endif

	cpu_init();	/* initialize the bootstrap CPU */
	mmu_context_init();	/* initialize context_id bitmap */

	check_sal_cache_flush();

#ifdef CONFIG_ACPI
	acpi_boot_init();
#endif

#ifdef CONFIG_VT
	if (!conswitchp) {
# if defined(CONFIG_DUMMY_CONSOLE)
		conswitchp = &dummy_con;
# endif
# if defined(CONFIG_VGA_CONSOLE)
		/*
		 * Non-legacy systems may route legacy VGA MMIO range to system
		 * memory.  vga_con probes the MMIO hole, so memory looks like
		 * a VGA device to it.  The EFI memory map can tell us if it's
		 * memory so we can avoid this problem.
		 */
		if (efi_mem_type(0xA0000) != EFI_CONVENTIONAL_MEMORY)
			conswitchp = &vga_con;
# endif
	}
#endif

	/* enable IA-64 Machine Check Abort Handling unless disabled */
	if (!nomca)
		ia64_mca_init();

	platform_setup(cmdline_p);
	paging_init();
}