diff options
Diffstat (limited to 'drivers/firmware/efi')
-rw-r--r-- | drivers/firmware/efi/libstub/efi-stub-helper.c | 6 | ||||
-rw-r--r-- | drivers/firmware/efi/libstub/efi-stub.c | 13 | ||||
-rw-r--r-- | drivers/firmware/efi/libstub/efistub.h | 6 | ||||
-rw-r--r-- | drivers/firmware/efi/libstub/fdt.c | 6 | ||||
-rw-r--r-- | drivers/firmware/efi/libstub/x86-stub.c | 23 |
5 files changed, 22 insertions, 32 deletions
diff --git a/drivers/firmware/efi/libstub/efi-stub-helper.c b/drivers/firmware/efi/libstub/efi-stub-helper.c index 14e56a64f208..0b1688b10ddc 100644 --- a/drivers/firmware/efi/libstub/efi-stub-helper.c +++ b/drivers/firmware/efi/libstub/efi-stub-helper.c @@ -287,8 +287,8 @@ fail: void *get_efi_config_table(efi_guid_t guid) { - unsigned long tables = efi_table_attr(efi_system_table(), tables); - int nr_tables = efi_table_attr(efi_system_table(), nr_tables); + unsigned long tables = efi_table_attr(efi_system_table, tables); + int nr_tables = efi_table_attr(efi_system_table, nr_tables); int i; for (i = 0; i < nr_tables; i++) { @@ -305,7 +305,7 @@ void *get_efi_config_table(efi_guid_t guid) void efi_char16_printk(efi_char16_t *str) { - efi_call_proto(efi_table_attr(efi_system_table(), con_out), + efi_call_proto(efi_table_attr(efi_system_table, con_out), output_string, str); } diff --git a/drivers/firmware/efi/libstub/efi-stub.c b/drivers/firmware/efi/libstub/efi-stub.c index 8455c590c7b9..8edfd4022803 100644 --- a/drivers/firmware/efi/libstub/efi-stub.c +++ b/drivers/firmware/efi/libstub/efi-stub.c @@ -38,12 +38,7 @@ static u64 virtmap_base = EFI_RT_VIRTUAL_BASE; static bool flat_va_mapping; -static efi_system_table_t *sys_table; - -__pure efi_system_table_t *efi_system_table(void) -{ - return sys_table; -} +const efi_system_table_t *efi_system_table; static struct screen_info *setup_graphics(void) { @@ -167,10 +162,10 @@ efi_status_t efi_entry(efi_handle_t handle, efi_system_table_t *sys_table_arg) efi_properties_table_t *prop_tbl; unsigned long max_addr; - sys_table = sys_table_arg; + efi_system_table = sys_table_arg; /* Check if we were booted by the EFI firmware */ - if (sys_table->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE) { + if (efi_system_table->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE) { status = EFI_INVALID_PARAMETER; goto fail; } @@ -184,7 +179,7 @@ efi_status_t efi_entry(efi_handle_t handle, efi_system_table_t *sys_table_arg) * information about the running image, such as size and the command * line. */ - status = sys_table->boottime->handle_protocol(handle, + status = efi_system_table->boottime->handle_protocol(handle, &loaded_image_proto, (void *)&image); if (status != EFI_SUCCESS) { pr_efi_err("Failed to get loaded image protocol\n"); diff --git a/drivers/firmware/efi/libstub/efistub.h b/drivers/firmware/efi/libstub/efistub.h index 9a87fff1d4ba..c1481c5abea4 100644 --- a/drivers/firmware/efi/libstub/efistub.h +++ b/drivers/firmware/efi/libstub/efistub.h @@ -31,13 +31,13 @@ extern bool __pure noinitrd(void); extern bool __pure is_quiet(void); extern bool __pure novamap(void); -extern __pure efi_system_table_t *efi_system_table(void); +extern const efi_system_table_t *efi_system_table; #ifndef efi_bs_call -#define efi_bs_call(func, ...) efi_system_table()->boottime->func(__VA_ARGS__) +#define efi_bs_call(func, ...) efi_system_table->boottime->func(__VA_ARGS__) #endif #ifndef efi_rt_call -#define efi_rt_call(func, ...) efi_system_table()->runtime->func(__VA_ARGS__) +#define efi_rt_call(func, ...) efi_system_table->runtime->func(__VA_ARGS__) #endif #ifndef efi_is_native #define efi_is_native() (true) diff --git a/drivers/firmware/efi/libstub/fdt.c b/drivers/firmware/efi/libstub/fdt.c index 46cffac7a5f1..06d5e7fc8e34 100644 --- a/drivers/firmware/efi/libstub/fdt.c +++ b/drivers/firmware/efi/libstub/fdt.c @@ -110,7 +110,7 @@ static efi_status_t update_fdt(void *orig_fdt, unsigned long orig_fdt_size, /* Add FDT entries for EFI runtime services in chosen node. */ node = fdt_subnode_offset(fdt, 0, "chosen"); - fdt_val64 = cpu_to_fdt64((u64)(unsigned long)efi_system_table()); + fdt_val64 = cpu_to_fdt64((u64)(unsigned long)efi_system_table); status = fdt_setprop_var(fdt, node, "linux,uefi-system-table", fdt_val64); if (status) @@ -314,7 +314,7 @@ efi_status_t allocate_new_fdt_and_exit_boot(void *handle, return EFI_SUCCESS; /* Install the new virtual address map */ - svam = efi_system_table()->runtime->set_virtual_address_map; + svam = efi_system_table->runtime->set_virtual_address_map; status = svam(runtime_entry_count * desc_size, desc_size, desc_ver, runtime_map); @@ -348,7 +348,7 @@ fail_free_new_fdt: efi_free(MAX_FDT_SIZE, *new_fdt_addr); fail: - efi_system_table()->boottime->free_pool(runtime_map); + efi_system_table->boottime->free_pool(runtime_map); return EFI_LOAD_ERROR; } diff --git a/drivers/firmware/efi/libstub/x86-stub.c b/drivers/firmware/efi/libstub/x86-stub.c index 1c3807d0c321..3f132f51ab0f 100644 --- a/drivers/firmware/efi/libstub/x86-stub.c +++ b/drivers/firmware/efi/libstub/x86-stub.c @@ -20,15 +20,10 @@ /* Maximum physical address for 64-bit kernel with 4-level paging */ #define MAXMEM_X86_64_4LEVEL (1ull << 46) -static efi_system_table_t *sys_table; +const efi_system_table_t *efi_system_table; extern const bool efi_is64; extern u32 image_offset; -__pure efi_system_table_t *efi_system_table(void) -{ - return sys_table; -} - __attribute_const__ bool efi_is_64bit(void) { if (IS_ENABLED(CONFIG_EFI_MIXED)) @@ -227,7 +222,7 @@ static const efi_char16_t apple[] = L"Apple"; static void setup_quirks(struct boot_params *boot_params) { efi_char16_t *fw_vendor = (efi_char16_t *)(unsigned long) - efi_table_attr(efi_system_table(), fw_vendor); + efi_table_attr(efi_system_table, fw_vendor); if (!memcmp(fw_vendor, apple, sizeof(apple))) { if (IS_ENABLED(CONFIG_APPLE_PROPERTIES)) @@ -377,10 +372,10 @@ efi_status_t __efiapi efi_pe_entry(efi_handle_t handle, unsigned long ramdisk_addr; unsigned long ramdisk_size; - sys_table = sys_table_arg; + efi_system_table = sys_table_arg; /* Check if we were booted by the EFI firmware */ - if (sys_table->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE) + if (efi_system_table->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE) efi_exit(handle, EFI_INVALID_PARAMETER); status = efi_bs_call(handle_protocol, handle, &proto, (void **)&image); @@ -446,7 +441,7 @@ efi_status_t __efiapi efi_pe_entry(efi_handle_t handle, } } - efi_stub_entry(handle, sys_table, boot_params); + efi_stub_entry(handle, sys_table_arg, boot_params); /* not reached */ fail2: @@ -651,14 +646,14 @@ static efi_status_t exit_boot_func(struct efi_boot_memmap *map, : EFI32_LOADER_SIGNATURE; memcpy(&p->efi->efi_loader_signature, signature, sizeof(__u32)); - p->efi->efi_systab = (unsigned long)efi_system_table(); + p->efi->efi_systab = (unsigned long)efi_system_table; p->efi->efi_memdesc_size = *map->desc_size; p->efi->efi_memdesc_version = *map->desc_ver; p->efi->efi_memmap = (unsigned long)*map->map; p->efi->efi_memmap_size = *map->map_size; #ifdef CONFIG_X86_64 - p->efi->efi_systab_hi = (unsigned long)efi_system_table() >> 32; + p->efi->efi_systab_hi = (unsigned long)efi_system_table >> 32; p->efi->efi_memmap_hi = (unsigned long)*map->map >> 32; #endif @@ -719,10 +714,10 @@ unsigned long efi_main(efi_handle_t handle, efi_status_t status; unsigned long cmdline_paddr; - sys_table = sys_table_arg; + efi_system_table = sys_table_arg; /* Check if we were booted by the EFI firmware */ - if (sys_table->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE) + if (efi_system_table->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE) efi_exit(handle, EFI_INVALID_PARAMETER); /* |