diff options
| -rw-r--r-- | arch/x86/platform/efi/efi.c | 89 |
1 files changed, 54 insertions, 35 deletions
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index 4cf9bd0a165..6d88dcac466 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -429,23 +429,8 @@ static void __init efi_free_boot_services(void) } } -void __init efi_init(void) +static void __init efi_systab_init(void *phys) { - efi_config_table_t *config_tables; - efi_runtime_services_t *runtime; - efi_char16_t *c16; - char vendor[100] = "unknown"; - int i = 0; - void *tmp; - -#ifdef CONFIG_X86_32 - efi_phys.systab = (efi_system_table_t *)boot_params.efi_info.efi_systab; -#else - efi_phys.systab = (efi_system_table_t *) - (boot_params.efi_info.efi_systab | - ((__u64)boot_params.efi_info.efi_systab_hi<<32)); -#endif - efi.systab = early_ioremap((unsigned long)efi_phys.systab, sizeof(efi_system_table_t)); if (efi.systab == NULL) @@ -464,22 +449,12 @@ void __init efi_init(void) "%d.%02d, expected 1.00 or greater!\n", efi.systab->hdr.revision >> 16, efi.systab->hdr.revision & 0xffff); +} - /* - * Show what we know for posterity - */ - c16 = tmp = early_ioremap(efi.systab->fw_vendor, 2); - if (c16) { - for (i = 0; i < sizeof(vendor) - 1 && *c16; ++i) - vendor[i] = *c16++; - vendor[i] = '\0'; - } else - printk(KERN_ERR PFX "Could not map the firmware vendor!\n"); - early_iounmap(tmp, 2); - - printk(KERN_INFO "EFI v%u.%.02u by %s\n", - efi.systab->hdr.revision >> 16, - efi.systab->hdr.revision & 0xffff, vendor); +static void __init efi_config_init(u64 tables, int nr_tables) +{ + efi_config_table_t *config_tables; + int i; /* * Let's see what config tables the firmware passed to us. @@ -526,6 +501,11 @@ void __init efi_init(void) printk("\n"); early_iounmap(config_tables, efi.systab->nr_tables * sizeof(efi_config_table_t)); +} + +static void __init efi_runtime_init(void) +{ + efi_runtime_services_t *runtime; /* * Check out the runtime services table. We need to map @@ -554,7 +534,10 @@ void __init efi_init(void) printk(KERN_ERR "Could not map the EFI runtime service " "table!\n"); early_iounmap(runtime, sizeof(efi_runtime_services_t)); +} +static void __init efi_memmap_init(void) +{ /* Map the EFI memory map */ memmap.map = early_ioremap((unsigned long)memmap.phys_map, memmap.nr_map * memmap.desc_size); @@ -562,12 +545,48 @@ void __init efi_init(void) printk(KERN_ERR "Could not map the EFI memory map!\n"); memmap.map_end = memmap.map + (memmap.nr_map * memmap.desc_size); - if (memmap.desc_size != sizeof(efi_memory_desc_t)) - printk(KERN_WARNING - "Kernel-defined memdesc doesn't match the one from EFI!\n"); - if (add_efi_memmap) do_add_efi_memmap(); +} + +void __init efi_init(void) +{ + efi_char16_t *c16; + char vendor[100] = "unknown"; + int i = 0; + void *tmp; + +#ifdef CONFIG_X86_32 + efi_phys.systab = (efi_system_table_t *)boot_params.efi_info.efi_systab; +#else + efi_phys.systab = (efi_system_table_t *) + (boot_params.efi_info.efi_systab | + ((__u64)boot_params.efi_info.efi_systab_hi<<32)); +#endif + + efi_systab_init(efi_phys.systab); + + /* + * Show what we know for posterity + */ + c16 = tmp = early_ioremap(efi.systab->fw_vendor, 2); + if (c16) { + for (i = 0; i < sizeof(vendor) - 1 && *c16; ++i) + vendor[i] = *c16++; + vendor[i] = '\0'; + } else + printk(KERN_ERR PFX "Could not map the firmware vendor!\n"); + early_iounmap(tmp, 2); + + printk(KERN_INFO "EFI v%u.%.02u by %s\n", + efi.systab->hdr.revision >> 16, + efi.systab->hdr.revision & 0xffff, vendor); + + efi_config_init(efi.systab->tables, efi.systab->nr_tables); + + efi_runtime_init(); + + efi_memmap_init(); #ifdef CONFIG_X86_32 x86_platform.get_wallclock = efi_get_time; |