diff options
| -rw-r--r-- | arch/x86/platform/efi/efi.c | 32 | ||||
| -rw-r--r-- | drivers/firmware/efi/efi.c | 25 | ||||
| -rw-r--r-- | include/linux/efi.h | 2 |
3 files changed, 31 insertions, 28 deletions
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index 61ebaae62894..421f082535c5 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -57,7 +57,12 @@ static efi_system_table_t efi_systab __initdata; static u64 efi_systab_phys __initdata; +static unsigned long prop_phys = EFI_INVALID_TABLE_ADDR; +static unsigned long uga_phys = EFI_INVALID_TABLE_ADDR; + static efi_config_table_type_t arch_tables[] __initdata = { + {EFI_PROPERTIES_TABLE_GUID, "PROP", &prop_phys}, + {UGA_IO_PROTOCOL_GUID, "UGA", &uga_phys}, #ifdef CONFIG_X86_UV {UV_SYSTEM_TABLE_GUID, "UVsystab", &uv_systab_phys}, #endif @@ -69,7 +74,7 @@ static const unsigned long * const efi_tables[] = { &efi.acpi20, &efi.smbios, &efi.smbios3, - &efi.uga, + &uga_phys, #ifdef CONFIG_X86_UV &uv_systab_phys, #endif @@ -77,7 +82,7 @@ static const unsigned long * const efi_tables[] = { &efi.runtime, &efi.config_table, &efi.esrt, - &efi.properties_table, + &prop_phys, &efi.mem_attr_table, #ifdef CONFIG_EFI_RCI2_TABLE &rci2_table_phys, @@ -490,6 +495,22 @@ void __init efi_init(void) return; } + /* Parse the EFI Properties table if it exists */ + if (prop_phys != EFI_INVALID_TABLE_ADDR) { + efi_properties_table_t *tbl; + + tbl = early_memremap_ro(prop_phys, sizeof(*tbl)); + if (tbl == NULL) { + pr_err("Could not map Properties table!\n"); + } else { + if (tbl->memory_protection_attribute & + EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA) + set_bit(EFI_NX_PE_DATA, &efi.flags); + + early_memunmap(tbl, sizeof(*tbl)); + } + } + set_bit(EFI_RUNTIME_SERVICES, &efi.flags); efi_clean_memmap(); @@ -993,3 +1014,10 @@ bool efi_is_table_address(unsigned long phys_addr) return false; } + +char *efi_systab_show_arch(char *str) +{ + if (uga_phys != EFI_INVALID_TABLE_ADDR) + str += sprintf(str, "UGA=0x%lx\n", uga_phys); + return str; +} diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c index 8129a52f8ef5..68527fbbe01c 100644 --- a/drivers/firmware/efi/efi.c +++ b/drivers/firmware/efi/efi.c @@ -39,12 +39,10 @@ struct efi __read_mostly efi = { .acpi20 = EFI_INVALID_TABLE_ADDR, .smbios = EFI_INVALID_TABLE_ADDR, .smbios3 = EFI_INVALID_TABLE_ADDR, - .uga = EFI_INVALID_TABLE_ADDR, .fw_vendor = EFI_INVALID_TABLE_ADDR, .runtime = EFI_INVALID_TABLE_ADDR, .config_table = EFI_INVALID_TABLE_ADDR, .esrt = EFI_INVALID_TABLE_ADDR, - .properties_table = EFI_INVALID_TABLE_ADDR, .mem_attr_table = EFI_INVALID_TABLE_ADDR, .rng_seed = EFI_INVALID_TABLE_ADDR, .tpm_log = EFI_INVALID_TABLE_ADDR, @@ -132,10 +130,8 @@ static ssize_t systab_show(struct kobject *kobj, str += sprintf(str, "SMBIOS3=0x%lx\n", efi.smbios3); if (efi.smbios != EFI_INVALID_TABLE_ADDR) str += sprintf(str, "SMBIOS=0x%lx\n", efi.smbios); - if (efi.uga != EFI_INVALID_TABLE_ADDR) - str += sprintf(str, "UGA=0x%lx\n", efi.uga); - if (IS_ENABLED(CONFIG_IA64)) { + if (IS_ENABLED(CONFIG_IA64) || IS_ENABLED(CONFIG_X86)) { extern char *efi_systab_show_arch(char *str); str = efi_systab_show_arch(str); @@ -469,9 +465,7 @@ static __initdata efi_config_table_type_t common_tables[] = { {ACPI_TABLE_GUID, "ACPI", &efi.acpi}, {SMBIOS_TABLE_GUID, "SMBIOS", &efi.smbios}, {SMBIOS3_TABLE_GUID, "SMBIOS 3.0", &efi.smbios3}, - {UGA_IO_PROTOCOL_GUID, "UGA", &efi.uga}, {EFI_SYSTEM_RESOURCE_TABLE_GUID, "ESRT", &efi.esrt}, - {EFI_PROPERTIES_TABLE_GUID, "PROP", &efi.properties_table}, {EFI_MEMORY_ATTRIBUTES_TABLE_GUID, "MEMATTR", &efi.mem_attr_table}, {LINUX_EFI_RANDOM_SEED_TABLE_GUID, "RNG", &efi.rng_seed}, {LINUX_EFI_TPM_EVENT_LOG_GUID, "TPMEventLog", &efi.tpm_log}, @@ -570,23 +564,6 @@ int __init efi_config_parse_tables(void *config_tables, int count, int sz, efi_tpm_eventlog_init(); - /* Parse the EFI Properties table if it exists */ - if (efi.properties_table != EFI_INVALID_TABLE_ADDR) { - efi_properties_table_t *tbl; - - tbl = early_memremap(efi.properties_table, sizeof(*tbl)); - if (tbl == NULL) { - pr_err("Could not map Properties table!\n"); - return -ENOMEM; - } - - if (tbl->memory_protection_attribute & - EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA) - set_bit(EFI_NX_PE_DATA, &efi.flags); - - early_memunmap(tbl, sizeof(*tbl)); - } - if (efi.mem_reserve != EFI_INVALID_TABLE_ADDR) { unsigned long prsv = efi.mem_reserve; diff --git a/include/linux/efi.h b/include/linux/efi.h index 45443932104f..e091f2aff61d 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -535,12 +535,10 @@ extern struct efi { unsigned long acpi20; /* ACPI table (ACPI 2.0) */ unsigned long smbios; /* SMBIOS table (32 bit entry point) */ unsigned long smbios3; /* SMBIOS table (64 bit entry point) */ - unsigned long uga; /* UGA table */ unsigned long fw_vendor; /* fw_vendor */ unsigned long runtime; /* runtime table */ unsigned long config_table; /* config tables */ unsigned long esrt; /* ESRT table */ - unsigned long properties_table; /* properties table */ unsigned long mem_attr_table; /* memory attributes table */ unsigned long rng_seed; /* UEFI firmware random seed */ unsigned long tpm_log; /* TPM2 Event Log table */ |