diff options
Diffstat (limited to 'lib')
25 files changed, 2206 insertions, 597 deletions
diff --git a/lib/charset.c b/lib/charset.c index ff76e88c77..8cd17ea1cb 100644 --- a/lib/charset.c +++ b/lib/charset.c @@ -6,7 +6,6 @@ * SPDX-License-Identifier: GPL-2.0+ */ -#include <common.h> #include <charset.h> #include <malloc.h> @@ -99,3 +98,59 @@ uint8_t *utf16_to_utf8(uint8_t *dest, const uint16_t *src, size_t size) return dest; } + +uint16_t *utf8_to_utf16(uint16_t *dest, const uint8_t *src, size_t size) +{ + while (size--) { + int extension_bytes; + uint32_t code; + + extension_bytes = 0; + if (*src <= 0x7f) { + code = *src++; + /* Exit on zero byte */ + if (!code) + size = 0; + } else if (*src <= 0xbf) { + /* Illegal code */ + code = '?'; + } else if (*src <= 0xdf) { + code = *src++ & 0x1f; + extension_bytes = 1; + } else if (*src <= 0xef) { + code = *src++ & 0x0f; + extension_bytes = 2; + } else if (*src <= 0xf7) { + code = *src++ & 0x07; + extension_bytes = 3; + } else { + /* Illegal code */ + code = '?'; + } + + for (; extension_bytes && size; --size, --extension_bytes) { + if ((*src & 0xc0) == 0x80) { + code <<= 6; + code |= *src++ & 0x3f; + } else { + /* Illegal code */ + code = '?'; + ++src; + --size; + break; + } + } + + if (code < 0x10000) { + *dest++ = code; + } else { + /* + * Simplified expression for + * (((code - 0x10000) >> 10) & 0x3ff) | 0xd800 + */ + *dest++ = (code >> 10) + 0xd7c0; + *dest++ = (code & 0x3ff) | 0xdc00; + } + } + return dest; +} diff --git a/lib/efi/efi_stub.c b/lib/efi/efi_stub.c index 1814960572..2e8d409d31 100644 --- a/lib/efi/efi_stub.c +++ b/lib/efi/efi_stub.c @@ -277,7 +277,7 @@ efi_status_t efi_main(efi_handle_t image, struct efi_system_table *sys_table) struct efi_boot_services *boot = sys_table->boottime; struct efi_mem_desc *desc; struct efi_entry_memmap map; - ulong key, desc_size, size; + efi_uintn_t key, desc_size, size; efi_status_t ret; u32 version; int cs32; diff --git a/lib/efi_loader/Makefile b/lib/efi_loader/Makefile index ddb978f650..2722265ee3 100644 --- a/lib/efi_loader/Makefile +++ b/lib/efi_loader/Makefile @@ -7,8 +7,8 @@ # This file only gets included with CONFIG_EFI_LOADER set, so all # object inclusion implicitly depends on it -CFLAGS_helloworld.o := $(CFLAGS_EFI) -CFLAGS_REMOVE_helloworld.o := $(CFLAGS_NON_EFI) +CFLAGS_helloworld.o := $(CFLAGS_EFI) -Os -ffreestanding +CFLAGS_REMOVE_helloworld.o := $(CFLAGS_NON_EFI) -Os ifneq ($(CONFIG_CMD_BOOTEFI_HELLO_COMPILE),) always += helloworld.efi @@ -17,7 +17,7 @@ endif obj-$(CONFIG_CMD_BOOTEFI_HELLO) += helloworld_efi.o obj-y += efi_image_loader.o efi_boottime.o efi_runtime.o efi_console.o obj-y += efi_memory.o efi_device_path_to_text.o efi_device_path.o -obj-y += efi_file.o efi_variable.o efi_bootmgr.o +obj-y += efi_file.o efi_variable.o efi_bootmgr.o efi_watchdog.o obj-$(CONFIG_LCD) += efi_gop.o obj-$(CONFIG_DM_VIDEO) += efi_gop.o obj-$(CONFIG_PARTITIONS) += efi_disk.o diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c index 743b84864f..a37fb25638 100644 --- a/lib/efi_loader/efi_boottime.c +++ b/lib/efi_loader/efi_boottime.c @@ -21,7 +21,7 @@ DECLARE_GLOBAL_DATA_PTR; /* Task priority level */ -static UINTN efi_tpl = TPL_APPLICATION; +static efi_uintn_t efi_tpl = TPL_APPLICATION; /* This list contains all the EFI objects our payload has access to */ LIST_HEAD(efi_obj_list); @@ -156,18 +156,6 @@ void efi_signal_event(struct efi_event *event) } /* - * Write a debug message for an EPI API service that is not implemented yet. - * - * @funcname function that is not yet implemented - * @return EFI_UNSUPPORTED - */ -static efi_status_t efi_unsupported(const char *funcname) -{ - debug("EFI: App called into unimplemented function %s\n", funcname); - return EFI_EXIT(EFI_UNSUPPORTED); -} - -/* * Raise the task priority level. * * This function implements the RaiseTpl service. @@ -177,9 +165,9 @@ static efi_status_t efi_unsupported(const char *funcname) * @new_tpl new value of the task priority level * @return old value of the task priority level */ -static unsigned long EFIAPI efi_raise_tpl(UINTN new_tpl) +static unsigned long EFIAPI efi_raise_tpl(efi_uintn_t new_tpl) { - UINTN old_tpl = efi_tpl; + efi_uintn_t old_tpl = efi_tpl; EFI_ENTRY("0x%zx", new_tpl); @@ -202,7 +190,7 @@ static unsigned long EFIAPI efi_raise_tpl(UINTN new_tpl) * * @old_tpl value of the task priority level to be restored */ -static void EFIAPI efi_restore_tpl(UINTN old_tpl) +static void EFIAPI efi_restore_tpl(efi_uintn_t old_tpl) { EFI_ENTRY("0x%zx", old_tpl); @@ -229,12 +217,12 @@ static void EFIAPI efi_restore_tpl(UINTN old_tpl) * @return status code */ static efi_status_t EFIAPI efi_allocate_pages_ext(int type, int memory_type, - unsigned long pages, + efi_uintn_t pages, uint64_t *memory) { efi_status_t r; - EFI_ENTRY("%d, %d, 0x%lx, %p", type, memory_type, pages, memory); + EFI_ENTRY("%d, %d, 0x%zx, %p", type, memory_type, pages, memory); r = efi_allocate_pages(type, memory_type, pages, memory); return EFI_EXIT(r); } @@ -251,11 +239,11 @@ static efi_status_t EFIAPI efi_allocate_pages_ext(int type, int memory_type, * @return status code */ static efi_status_t EFIAPI efi_free_pages_ext(uint64_t memory, - unsigned long pages) + efi_uintn_t pages) { efi_status_t r; - EFI_ENTRY("%"PRIx64", 0x%lx", memory, pages); + EFI_ENTRY("%"PRIx64", 0x%zx", memory, pages); r = efi_free_pages(memory, pages); return EFI_EXIT(r); } @@ -276,10 +264,10 @@ static efi_status_t EFIAPI efi_free_pages_ext(uint64_t memory, * @return status code */ static efi_status_t EFIAPI efi_get_memory_map_ext( - unsigned long *memory_map_size, + efi_uintn_t *memory_map_size, struct efi_mem_desc *memory_map, - unsigned long *map_key, - unsigned long *descriptor_size, + efi_uintn_t *map_key, + efi_uintn_t *descriptor_size, uint32_t *descriptor_version) { efi_status_t r; @@ -304,12 +292,12 @@ static efi_status_t EFIAPI efi_get_memory_map_ext( * @return status code */ static efi_status_t EFIAPI efi_allocate_pool_ext(int pool_type, - unsigned long size, + efi_uintn_t size, void **buffer) { efi_status_t r; - EFI_ENTRY("%d, %ld, %p", pool_type, size, buffer); + EFI_ENTRY("%d, %zd, %p", pool_type, size, buffer); r = efi_allocate_pool(pool_type, size, buffer); return EFI_EXIT(r); } @@ -333,7 +321,30 @@ static efi_status_t EFIAPI efi_free_pool_ext(void *buffer) return EFI_EXIT(r); } -static efi_status_t efi_create_handle(void **handle) +/* + * Add a new object to the object list. + * + * The protocols list is initialized. + * The object handle is set. + * + * @obj object to be added + */ +void efi_add_handle(struct efi_object *obj) +{ + if (!obj) + return; + INIT_LIST_HEAD(&obj->protocols); + obj->handle = obj; + list_add_tail(&obj->link, &efi_obj_list); +} + +/* + * Create handle. + * + * @handle new handle + * @return status code + */ +efi_status_t efi_create_handle(void **handle) { struct efi_object *obj; efi_status_t r; @@ -343,10 +354,8 @@ static efi_status_t efi_create_handle(void **handle) (void **)&obj); if (r != EFI_SUCCESS) return r; - memset(obj, 0, sizeof(struct efi_object)); - obj->handle = obj; - list_add_tail(&obj->link, &efi_obj_list); - *handle = obj; + efi_add_handle(obj); + *handle = obj->handle; return r; } @@ -371,7 +380,7 @@ static struct efi_event efi_events[16]; * @event created event * @return status code */ -efi_status_t efi_create_event(uint32_t type, UINTN notify_tpl, +efi_status_t efi_create_event(uint32_t type, efi_uintn_t notify_tpl, void (EFIAPI *notify_function) ( struct efi_event *event, void *context), @@ -421,7 +430,7 @@ efi_status_t efi_create_event(uint32_t type, UINTN notify_tpl, * @return status code */ static efi_status_t EFIAPI efi_create_event_ext( - uint32_t type, UINTN notify_tpl, + uint32_t type, efi_uintn_t notify_tpl, void (EFIAPI *notify_function) ( struct efi_event *event, void *context), @@ -551,13 +560,13 @@ static efi_status_t EFIAPI efi_set_timer_ext(struct efi_event *event, * @index index of the event that was signaled * @return status code */ -static efi_status_t EFIAPI efi_wait_for_event(unsigned long num_events, +static efi_status_t EFIAPI efi_wait_for_event(efi_uintn_t num_events, struct efi_event **event, - size_t *index) + efi_uintn_t *index) { int i, j; - EFI_ENTRY("%ld, %p, %p", num_events, event, index); + EFI_ENTRY("%zd, %p, %p", num_events, event, index); /* Check parameters */ if (!num_events || !event) @@ -691,75 +700,137 @@ static efi_status_t EFIAPI efi_check_event(struct efi_event *event) } /* - * Install protocol interface. + * Find the internal EFI object for a handle. + * + * @handle handle to find + * @return EFI object + */ +struct efi_object *efi_search_obj(const void *handle) +{ + struct efi_object *efiobj; + + list_for_each_entry(efiobj, &efi_obj_list, link) { + if (efiobj->handle == handle) + return efiobj; + } + + return NULL; +} + +/* + * Find a protocol on a handle. * - * This is the function for internal calls. For the API implementation of the - * InstallProtocolInterface service see function - * efi_install_protocol_interface_ext. + * @handle handle + * @protocol_guid GUID of the protocol + * @handler reference to the protocol + * @return status code + */ +efi_status_t efi_search_protocol(const void *handle, + const efi_guid_t *protocol_guid, + struct efi_handler **handler) +{ + struct efi_object *efiobj; + struct list_head *lhandle; + + if (!handle || !protocol_guid) + return EFI_INVALID_PARAMETER; + efiobj = efi_search_obj(handle); + if (!efiobj) + return EFI_INVALID_PARAMETER; + list_for_each(lhandle, &efiobj->protocols) { + struct efi_handler *protocol; + + protocol = list_entry(lhandle, struct efi_handler, link); + if (!guidcmp(protocol->guid, protocol_guid)) { + if (handler) + *handler = protocol; + return EFI_SUCCESS; + } + } + return EFI_NOT_FOUND; +} + +/* + * Install new protocol on a handle. * * @handle handle on which the protocol shall be installed * @protocol GUID of the protocol to be installed - * @protocol_interface_type type of the interface to be installed, - * always EFI_NATIVE_INTERFACE * @protocol_interface interface of the protocol implementation * @return status code */ -static efi_status_t EFIAPI efi_install_protocol_interface(void **handle, - const efi_guid_t *protocol, int protocol_interface_type, - void *protocol_interface) +efi_status_t efi_add_protocol(const void *handle, const efi_guid_t *protocol, + void *protocol_interface) { - struct list_head *lhandle; - int i; - efi_status_t r; + struct efi_object *efiobj; + struct efi_handler *handler; + efi_status_t ret; - if (!handle || !protocol || - protocol_interface_type != EFI_NATIVE_INTERFACE) { - r = EFI_INVALID_PARAMETER; - goto out; - } + efiobj = efi_search_obj(handle); + if (!efiobj) + return EFI_INVALID_PARAMETER; + ret = efi_search_protocol(handle, protocol, NULL); + if (ret != EFI_NOT_FOUND) + return EFI_INVALID_PARAMETER; + handler = calloc(1, sizeof(struct efi_handler)); + if (!handler) + return EFI_OUT_OF_RESOURCES; + handler->guid = protocol; + handler->protocol_interface = protocol_interface; + list_add_tail(&handler->link, &efiobj->protocols); + return EFI_SUCCESS; +} - /* Create new handle if requested. */ - if (!*handle) { - r = efi_create_handle(handle); - if (r != EFI_SUCCESS) - goto out; - } - /* Find object. */ - list_for_each(lhandle, &efi_obj_list) { - struct efi_object *efiobj; - efiobj = list_entry(lhandle, struct efi_object, link); +/* + * Delete protocol from a handle. + * + * @handle handle from which the protocol shall be deleted + * @protocol GUID of the protocol to be deleted + * @protocol_interface interface of the protocol implementation + * @return status code + */ +efi_status_t efi_remove_protocol(const void *handle, const efi_guid_t *protocol, + void *protocol_interface) +{ + struct efi_handler *handler; + efi_status_t ret; - if (efiobj->handle != *handle) - continue; - /* Check if protocol is already installed on the handle. */ - for (i = 0; i < ARRAY_SIZE(efiobj->protocols); i++) { - struct efi_handler *handler = &efiobj->protocols[i]; - - if (!handler->guid) - continue; - if (!guidcmp(handler->guid, protocol)) { - r = EFI_INVALID_PARAMETER; - goto out; - } - } - /* Install protocol in first empty slot. */ - for (i = 0; i < ARRAY_SIZE(efiobj->protocols); i++) { - struct efi_handler *handler = &efiobj->protocols[i]; + ret = efi_search_protocol(handle, protocol, &handler); + if (ret != EFI_SUCCESS) + return ret; + if (guidcmp(handler->guid, protocol)) + return EFI_INVALID_PARAMETER; + list_del(&handler->link); + free(handler); + return EFI_SUCCESS; +} - if (handler->guid) - continue; +/* + * Delete all protocols from a handle. + * + * @handle handle from which the protocols shall be deleted + * @return status code + */ +efi_status_t efi_remove_all_protocols(const void *handle) +{ + struct efi_object *efiobj; + struct list_head *lhandle; + struct list_head *pos; - handler->guid = protocol; - handler->protocol_interface = protocol_interface; - r = EFI_SUCCESS; - goto out; - } - r = EFI_OUT_OF_RESOURCES; - goto out; + efiobj = efi_search_obj(handle); + if (!efiobj) + return EFI_INVALID_PARAMETER; + list_for_each_safe(lhandle, pos, &efiobj->protocols) { + struct efi_handler *protocol; + efi_status_t ret; + + protocol = list_entry(lhandle, struct efi_handler, link); + + ret = efi_remove_protocol(handle, protocol->guid, + protocol->protocol_interface); + if (ret != EFI_SUCCESS) + return ret; } - r = EFI_INVALID_PARAMETER; -out: - return r; + return EFI_SUCCESS; } /* @@ -776,16 +847,36 @@ out: * @protocol_interface interface of the protocol implementation * @return status code */ -static efi_status_t EFIAPI efi_install_protocol_interface_ext(void **handle, - const efi_guid_t *protocol, int protocol_interface_type, - void *protocol_interface) +static efi_status_t EFIAPI efi_install_protocol_interface( + void **handle, const efi_guid_t *protocol, + int protocol_interface_type, void *protocol_interface) { + efi_status_t r; + EFI_ENTRY("%p, %pUl, %d, %p", handle, protocol, protocol_interface_type, protocol_interface); - return EFI_EXIT(efi_install_protocol_interface(handle, protocol, - protocol_interface_type, - protocol_interface)); + if (!handle || !protocol || + protocol_interface_type != EFI_NATIVE_INTERFACE) { + r = EFI_INVALID_PARAMETER; + goto out; + } + + /* Create new handle if requested. */ + if (!*handle) { + r = efi_create_handle(handle); + if (r != EFI_SUCCESS) + goto out; + debug("%sEFI: new handle %p\n", indent_string(nesting_level), + *handle); + } else { + debug("%sEFI: handle %p\n", indent_string(nesting_level), + *handle); + } + /* Add new protocol */ + r = efi_add_protocol(*handle, protocol, protocol_interface); +out: + return EFI_EXIT(r); } /* @@ -814,75 +905,41 @@ static efi_status_t EFIAPI efi_reinstall_protocol_interface(void *handle, /* * Uninstall protocol interface. * - * This is the function for internal calls. For the API implementation of the - * UninstallProtocolInterface service see function - * efi_uninstall_protocol_interface_ext. + * This function implements the UninstallProtocolInterface service. + * See the Unified Extensible Firmware Interface (UEFI) specification + * for details. * * @handle handle from which the protocol shall be removed * @protocol GUID of the protocol to be removed * @protocol_interface interface to be removed * @return status code */ -static efi_status_t EFIAPI efi_uninstall_protocol_interface(void *handle, - const efi_guid_t *protocol, void *protocol_interface) +static efi_status_t EFIAPI efi_uninstall_protocol_interface( + void *handle, const efi_guid_t *protocol, + void *protocol_interface) { - struct list_head *lhandle; - int i; - efi_status_t r = EFI_NOT_FOUND; + struct efi_handler *handler; + efi_status_t r; + + EFI_ENTRY("%p, %pUl, %p", handle, protocol, protocol_interface); if (!handle || !protocol) { r = EFI_INVALID_PARAMETER; goto out; } - list_for_each(lhandle, &efi_obj_list) { - struct efi_object *efiobj; - efiobj = list_entry(lhandle, struct efi_object, link); - - if (efiobj->handle != handle) - continue; - - for (i = 0; i < ARRAY_SIZE(efiobj->protocols); i++) { - struct efi_handler *handler = &efiobj->protocols[i]; - const efi_guid_t *hprotocol = handler->guid; - - if (!hprotocol) - continue; - if (!guidcmp(hprotocol, protocol)) { - if (handler->protocol_interface) { - r = EFI_ACCESS_DENIED; - } else { - handler->guid = 0; - r = EFI_SUCCESS; - } - goto out; - } - } + /* Find the protocol on the handle */ + r = efi_search_protocol(handle, protocol, &handler); + if (r != EFI_SUCCESS) + goto out; + if (handler->protocol_interface) { + /* TODO disconnect controllers */ + r = EFI_ACCESS_DENIED; + } else { + r = efi_remove_protocol(handle, protocol, protocol_interface); } - out: - return r; -} - -/* - * Uninstall protocol interface. - * - * This function implements the UninstallProtocolInterface service. - * See the Unified Extensible Firmware Interface (UEFI) specification - * for details. - * - * @handle handle from which the protocol shall be removed - * @protocol GUID of the protocol to be removed - * @protocol_interface interface to be removed - * @return status code - */ -static efi_status_t EFIAPI efi_uninstall_protocol_interface_ext(void *handle, - const efi_guid_t *protocol, void *protocol_interface) -{ - EFI_ENTRY("%p, %pUl, %p", handle, protocol, protocol_interface); - - return EFI_EXIT(efi_uninstall_protocol_interface(handle, protocol, - protocol_interface)); + return EFI_EXIT(r); } /* @@ -922,23 +979,21 @@ static int efi_search(enum efi_locate_search_type search_type, const efi_guid_t *protocol, void *search_key, struct efi_object *efiobj) { - int i; + efi_status_t ret; switch (search_type) { - case all_handles: + case ALL_HANDLES: return 0; - case by_register_notify: + case BY_REGISTER_NOTIFY: + /* TODO: RegisterProtocolNotify is not implemented yet */ return -1; - case by_protocol: - for (i = 0; i < ARRAY_SIZE(efiobj->protocols); i++) { - const efi_guid_t *guid = efiobj->protocols[i].guid; - if (guid && !guidcmp(guid, protocol)) - return 0; - } + case BY_PROTOCOL: + ret = efi_search_protocol(efiobj->handle, protocol, NULL); + return (ret != EFI_SUCCESS); + default: + /* Invalid search type */ return -1; } - - return -1; } /* @@ -957,18 +1012,40 @@ static int efi_search(enum efi_locate_search_type search_type, static efi_status_t efi_locate_handle( enum efi_locate_search_type search_type, const efi_guid_t *protocol, void *search_key, - unsigned long *buffer_size, efi_handle_t *buffer) + efi_uintn_t *buffer_size, efi_handle_t *buffer) { - struct list_head *lhandle; - unsigned long size = 0; + struct efi_object *efiobj; + efi_uintn_t size = 0; + + /* Check parameters */ + switch (search_type) { + case ALL_HANDLES: + break; + case BY_REGISTER_NOTIFY: + if (!search_key) + return EFI_INVALID_PARAMETER; + /* RegisterProtocolNotify is not implemented yet */ + return EFI_UNSUPPORTED; + case BY_PROTOCOL: + if (!protocol) + return EFI_INVALID_PARAMETER; + break; + default: + return EFI_INVALID_PARAMETER; + } + + /* + * efi_locate_handle_buffer uses this function for + * the calculation of the necessary buffer size. + * So do not require a buffer for buffersize == 0. + */ + if (!buffer_size || (*buffer_size && !buffer)) + return EFI_INVALID_PARAMETER; /* Count how much space we need */ - list_for_each(lhandle, &efi_obj_list) { - struct efi_object *efiobj; - efiobj = list_entry(lhandle, struct efi_object, link); - if (!efi_search(search_type, protocol, search_key, efiobj)) { + list_for_each_entry(efiobj, &efi_obj_list, link) { + if (!efi_search(search_type, protocol, search_key, efiobj)) size += sizeof(void*); - } } if (*buffer_size < size) { @@ -981,12 +1058,9 @@ static efi_status_t efi_locate_handle( return EFI_NOT_FOUND; /* Then fill the array */ - list_for_each(lhandle, &efi_obj_list) { - struct efi_object *efiobj; - efiobj = list_entry(lhandle, struct efi_object, link); - if (!efi_search(search_type, protocol, search_key, efiobj)) { - *(buffer++) = efiobj->handle; - } + list_for_each_entry(efiobj, &efi_obj_list, link) { + if (!efi_search(search_type, protocol, search_key, efiobj)) + *buffer++ = efiobj->handle; } return EFI_SUCCESS; @@ -1009,7 +1083,7 @@ static efi_status_t efi_locate_handle( static efi_status_t EFIAPI efi_locate_handle_ext( enum efi_locate_search_type search_type, const efi_guid_t *protocol, void *search_key, - unsigned long *buffer_size, efi_handle_t *buffer) + efi_uintn_t *buffer_size, efi_handle_t *buffer) { EFI_ENTRY("%d, %pUl, %p, %p, %p", search_type, protocol, search_key, buffer_size, buffer); @@ -1018,36 +1092,6 @@ static efi_status_t EFIAPI efi_locate_handle_ext( buffer_size, buffer)); } -/* - * Get the device path and handle of an device implementing a protocol. - * - * This function implements the LocateDevicePath service. - * See the Unified Extensible Firmware Interface (UEFI) specification - * for details. - * - * @protocol GUID of the protocol - * @device_path device path - * @device handle of the device - * @return status code - */ -static efi_status_t EFIAPI efi_locate_device_path( - const efi_guid_t *protocol, - struct efi_device_path **device_path, - efi_handle_t *device) -{ - struct efi_object *efiobj; - - EFI_ENTRY("%pUl, %p, %p", protocol, device_path, device); - - efiobj = efi_dp_find_obj(*device_path, device_path); - if (!efiobj) - return EFI_EXIT(EFI_NOT_FOUND); - - *device = efiobj->handle; - - return EFI_EXIT(EFI_SUCCESS); -} - /* Collapses configuration table entries, removing index i */ static void efi_remove_configuration_table(int i) { @@ -1131,34 +1175,47 @@ void efi_setup_loaded_image(struct efi_loaded_image *info, struct efi_object *ob struct efi_device_path *device_path, struct efi_device_path *file_path) { + efi_status_t ret; + + /* Add internal object to object list */ + efi_add_handle(obj); + /* efi_exit() assumes that the handle points to the info */ obj->handle = info; + info->file_path = file_path; + if (device_path) + info->device_handle = efi_dp_find_obj(device_path, NULL); + /* * When asking for the device path interface, return * bootefi_device_path */ - obj->protocols[0].guid = &efi_guid_device_path; - obj->protocols[0].protocol_interface = device_path; + ret = efi_add_protocol(obj->handle, &efi_guid_device_path, device_path); + if (ret != EFI_SUCCESS) + goto failure; /* * When asking for the loaded_image interface, just * return handle which points to loaded_image_info */ - obj->protocols[1].guid = &efi_guid_loaded_image; - obj->protocols[1].protocol_interface = info; - - obj->protocols[2].guid = &efi_guid_console_control; - obj->protocols[2].protocol_interface = (void *)&efi_console_control; + ret = efi_add_protocol(obj->handle, &efi_guid_loaded_image, info); + if (ret != EFI_SUCCESS) + goto failure; - obj->protocols[3].guid = &efi_guid_device_path_to_text_protocol; - obj->protocols[3].protocol_interface = - (void *)&efi_device_path_to_text; + ret = efi_add_protocol(obj->handle, &efi_guid_console_control, + (void *)&efi_console_control); + if (ret != EFI_SUCCESS) + goto failure; - info->file_path = file_path; - if (device_path) - info->device_handle = efi_dp_find_obj(device_path, NULL); + ret = efi_add_protocol(obj->handle, + &efi_guid_device_path_to_text_protocol, + (void *)&efi_device_path_to_text); + if (ret != EFI_SUCCESS) + goto failure; - list_add_tail(&obj->link, &efi_obj_list); + return; +failure: + printf("ERROR: Failure to install protocols for loaded image\n"); } /* @@ -1273,7 +1330,9 @@ static efi_status_t EFIAPI efi_load_image(bool boot_policy, return EFI_EXIT(EFI_UNSUPPORTED); } - *image_handle = info; + info->system_table = &systab; + info->parent_handle = parent_image; + *image_handle = obj->handle; return EFI_EXIT(EFI_SUCCESS); } @@ -1335,6 +1394,17 @@ static efi_status_t EFIAPI efi_exit(efi_handle_t image_handle, efi_status_t exit_status, unsigned long exit_data_size, int16_t *exit_data) { + /* + * We require that the handle points to the original loaded + * image protocol interface. + * + * For getting the longjmp address this is safer than locating + * the protocol because the protocol may have been reinstalled + * pointing to another memory location. + * + * TODO: We should call the unload procedure of the loaded + * image protocol. + */ struct efi_loaded_image *loaded_image_info = (void*)image_handle; EFI_ENTRY("%p, %ld, %ld, %p", image_handle, exit_status, @@ -1356,26 +1426,6 @@ static efi_status_t EFIAPI efi_exit(efi_handle_t image_handle, } /* - * Find the internal EFI object for a handle. - * - * @handle handle to find - * @return EFI object - */ -static struct efi_object *efi_search_obj(void *handle) -{ - struct list_head *lhandle; - - list_for_each(lhandle, &efi_obj_list) { - struct efi_object *efiobj; - efiobj = list_entry(lhandle, struct efi_object, link); - if (efiobj->handle == handle) - return efiobj; - } - - return NULL; -} - -/* * Unload an EFI image. * * This function implements the UnloadImage service. @@ -1450,6 +1500,7 @@ static efi_status_t EFIAPI efi_exit_boot_services(void *image_handle, bootm_disable_interrupts(); /* Give the payload some time to boot */ + efi_set_watchdog(0); WATCHDOG_RESET(); return EFI_EXIT(EFI_SUCCESS); @@ -1493,7 +1544,7 @@ static efi_status_t EFIAPI efi_stall(unsigned long microseconds) /* * Reset the watchdog timer. * - * This function implements the WatchdogTimer service. + * This function implements the SetWatchdogTimer service. * See the Unified Extensible Firmware Interface (UEFI) specification * for details. * @@ -1510,7 +1561,7 @@ static efi_status_t EFIAPI efi_set_watchdog_timer(unsigned long timeout, { EFI_ENTRY("%ld, 0x%"PRIx64", %ld, %p", timeout, watchdog_code, data_size, watchdog_data); - return efi_unsupported(__func__); + return EFI_EXIT(efi_set_watchdog(timeout)); } /* @@ -1597,7 +1648,7 @@ static efi_status_t EFIAPI efi_close_protocol(void *handle, static efi_status_t EFIAPI efi_open_protocol_information(efi_handle_t handle, const efi_guid_t *protocol, struct efi_open_protocol_info_entry **entry_buffer, - unsigned long *entry_count) + efi_uintn_t *entry_count) { EFI_ENTRY("%p, %pUl, %p, %p", handle, protocol, entry_buffer, entry_count); @@ -1618,12 +1669,11 @@ static efi_status_t EFIAPI efi_open_protocol_information(efi_handle_t handle, */ static efi_status_t EFIAPI efi_protocols_per_handle(void *handle, efi_guid_t ***protocol_buffer, - unsigned long *protocol_buffer_count) + efi_uintn_t *protocol_buffer_count) { unsigned long buffer_size; struct efi_object *efiobj; - unsigned long i, j; - struct list_head *lhandle; + struct list_head *protocol_handle; efi_status_t r; EFI_ENTRY("%p, %p, %p", handle, protocol_buffer, @@ -1634,36 +1684,33 @@ static efi_status_t EFIAPI efi_protocols_per_handle(void *handle, *protocol_buffer = NULL; *protocol_buffer_count = 0; - list_for_each(lhandle, &efi_obj_list) { - efiobj = list_entry(lhandle, struct efi_object, link); - if (efiobj->handle != handle) - continue; + efiobj = efi_search_obj(handle); + if (!efiobj) + return EFI_EXIT(EFI_INVALID_PARAMETER); - /* Count protocols */ - for (i = 0; i < ARRAY_SIZE(efiobj->protocols); i++) { - if (efiobj->protocols[i].guid) - ++*protocol_buffer_count; - } - /* Copy guids */ - if (*protocol_buffer_count) { - buffer_size = sizeof(efi_guid_t *) * - *protocol_buffer_count; - r = efi_allocate_pool(EFI_ALLOCATE_ANY_PAGES, - buffer_size, - (void **)protocol_buffer); - if (r != EFI_SUCCESS) - return EFI_EXIT(r); - j = 0; - for (i = 0; i < ARRAY_SIZE(efiobj->protocols); ++i) { - if (efiobj->protocols[i].guid) { - (*protocol_buffer)[j] = (void *) - efiobj->protocols[i].guid; - ++j; - } - } + /* Count protocols */ + list_for_each(protocol_handle, &efiobj->protocols) { + ++*protocol_buffer_count; + } + + /* Copy guids */ + if (*protocol_buffer_count) { + size_t j = 0; + + buffer_size = sizeof(efi_guid_t *) * *protocol_buffer_count; + r = efi_allocate_pool(EFI_ALLOCATE_ANY_PAGES, buffer_size, + (void **)protocol_buffer); + if (r != EFI_SUCCESS) + return EFI_EXIT(r); + list_for_each(protocol_handle, &efiobj->protocols) { + struct efi_handler *protocol; + + protocol = list_entry(protocol_handle, + struct efi_handler, link); + (*protocol_buffer)[j] = (void *)protocol->guid; + ++j; } - break; } return EFI_EXIT(EFI_SUCCESS); @@ -1686,10 +1733,10 @@ static efi_status_t EFIAPI efi_protocols_per_handle(void *handle, static efi_status_t EFIAPI efi_locate_handle_buffer( enum efi_locate_search_type search_type, const efi_guid_t *protocol, void *search_key, - unsigned long *no_handles, efi_handle_t **buffer) + efi_uintn_t *no_handles, efi_handle_t **buffer) { efi_status_t r; - unsigned long buffer_size = 0; + efi_uintn_t buffer_size = 0; EFI_ENTRY("%d, %pUl, %p, %p, %p", search_type, protocol, search_key, no_handles, buffer); @@ -1733,29 +1780,23 @@ static efi_status_t EFIAPI efi_locate_protocol(const efi_guid_t *protocol, void **protocol_interface) { struct list_head *lhandle; - int i; + efi_status_t ret; EFI_ENTRY("%pUl, %p, %p", protocol, registration, protocol_interface); if (!protocol || !protocol_interface) return EFI_EXIT(EFI_INVALID_PARAMETER); - EFI_PRINT_GUID("protocol", protocol); - list_for_each(lhandle, &efi_obj_list) { struct efi_object *efiobj; + struct efi_handler *handler; efiobj = list_entry(lhandle, struct efi_object, link); - for (i = 0; i < ARRAY_SIZE(efiobj->protocols); i++) { - struct efi_handler *handler = &efiobj->protocols[i]; - - if (!handler->guid) - continue; - if (!guidcmp(handler->guid, protocol)) { - *protocol_interface = - handler->protocol_interface; - return EFI_EXIT(EFI_SUCCESS); - } + + ret = efi_search_protocol(efiobj->handle, protocol, &handler); + if (ret == EFI_SUCCESS) { + *protocol_interface = handler->protocol_interface; + return EFI_EXIT(EFI_SUCCESS); } } *protocol_interface = NULL; @@ -1764,6 +1805,82 @@ static efi_status_t EFIAPI efi_locate_protocol(const efi_guid_t *protocol, } /* + * Get the device path and handle of an device implementing a protocol. + * + * This function implements the LocateDevicePath service. + * See the Unified Extensible Firmware Interface (UEFI) specification + * for details. + * + * @protocol GUID of the protocol + * @device_path device path + * @device handle of the device + * @return status code + */ +static efi_status_t EFIAPI efi_locate_device_path( + const efi_guid_t *protocol, + struct efi_device_path **device_path, + efi_handle_t *device) +{ + struct efi_device_path *dp; + size_t i; + struct efi_handler *handler; + efi_handle_t *handles; + size_t len, len_dp; + size_t len_best = 0; + efi_uintn_t no_handles; + u8 *remainder; + efi_status_t ret; + + EFI_ENTRY("%pUl, %p, %p", protocol, device_path, device); + + if (!protocol || !device_path || !*device_path || !device) { + ret = EFI_INVALID_PARAMETER; + goto out; + } + + /* Find end of device path */ + len = efi_dp_size(*device_path); + + /* Get all handles implementing the protocol */ + ret = EFI_CALL(efi_locate_handle_buffer(BY_PROTOCOL, protocol, NULL, + &no_handles, &handles)); + if (ret != EFI_SUCCESS) + goto out; + + for (i = 0; i < no_handles; ++i) { + /* Find the device path protocol */ + ret = efi_search_protocol(handles[i], &efi_guid_device_path, + &handler); + if (ret != EFI_SUCCESS) + continue; + dp = (struct efi_device_path *)handler->protocol_interface; + len_dp = efi_dp_size(dp); + /* + * This handle can only be a better fit + * if its device path length is longer than the best fit and + * if its device path length is shorter of equal the searched + * device path. + */ + if (len_dp <= len_best || len_dp > len) + continue; + /* Check if dp is a subpath of device_path */ + if (memcmp(*device_path, dp, len_dp)) + continue; + *device = handles[i]; + len_best = len_dp; + } + if (len_best) { + remainder = (u8 *)*device_path + len_best; + *device_path = (struct efi_device_path *)remainder; + ret = EFI_SUCCESS; + } else { + ret = EFI_NOT_FOUND; + } +out: + return EFI_EXIT(ret); +} + +/* * Install multiple protocol interfaces. * * This function implements the MultipleProtocolInterfaces service. @@ -1795,9 +1912,10 @@ static efi_status_t EFIAPI efi_install_multiple_protocol_interfaces( if (!protocol) break; protocol_interface = va_arg(argptr, void*); - r = efi_install_protocol_interface(handle, protocol, - EFI_NATIVE_INTERFACE, - protocol_interface); + r = EFI_CALL(efi_install_protocol_interface( + handle, protocol, + EFI_NATIVE_INTERFACE, + protocol_interface)); if (r != EFI_SUCCESS) break; i++; @@ -1806,13 +1924,13 @@ static efi_status_t EFIAPI efi_install_multiple_protocol_interfaces( if (r == EFI_SUCCESS) return EFI_EXIT(r); - /* If an error occured undo all changes. */ + /* If an error occurred undo all changes. */ va_start(argptr, handle); for (; i; --i) { protocol = va_arg(argptr, efi_guid_t*); protocol_interface = va_arg(argptr, void*); - efi_uninstall_protocol_interface(handle, protocol, - protocol_interface); + EFI_CALL(efi_uninstall_protocol_interface(handle, protocol, + protocol_interface)); } va_end(argptr); @@ -1835,7 +1953,45 @@ static efi_status_t EFIAPI efi_uninstall_multiple_protocol_interfaces( void *handle, ...) { EFI_ENTRY("%p", handle); - return EFI_EXIT(EFI_INVALID_PARAMETER); + + va_list argptr; + const efi_guid_t *protocol; + void *protocol_interface; + efi_status_t r = EFI_SUCCESS; + size_t i = 0; + + if (!handle) + return EFI_EXIT(EFI_INVALID_PARAMETER); + + va_start(argptr, handle); + for (;;) { + protocol = va_arg(argptr, efi_guid_t*); + if (!protocol) + break; + protocol_interface = va_arg(argptr, void*); + r = EFI_CALL(efi_uninstall_protocol_interface( + handle, protocol, + protocol_interface)); + if (r != EFI_SUCCESS) + break; + i++; + } + va_end(argptr); + if (r == EFI_SUCCESS) + return EFI_EXIT(r); + + /* If an error occurred undo all changes. */ + va_start(argptr, handle); + for (; i; --i) { + protocol = va_arg(argptr, efi_guid_t*); + protocol_interface = va_arg(argptr, void*); + EFI_CALL(efi_install_protocol_interface(&handle, protocol, + EFI_NATIVE_INTERFACE, + protocol_interface)); + } + va_end(argptr); + + return EFI_EXIT(r); } /* @@ -1916,8 +2072,7 @@ static efi_status_t EFIAPI efi_open_protocol( void **protocol_interface, void *agent_handle, void *controller_handle, uint32_t attributes) { - struct list_head *lhandle; - int i; + struct efi_handler *handler; efi_status_t r = EFI_INVALID_PARAMETER; EFI_ENTRY("%p, %pUl, %p, %p, %p, 0x%x", handle, protocol, @@ -1930,8 +2085,6 @@ static efi_status_t EFIAPI efi_open_protocol( goto out; } - EFI_PRINT_GUID("protocol", protocol); - switch (attributes) { case EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL: case EFI_OPEN_PROTOCOL_GET_PROTOCOL: @@ -1952,33 +2105,12 @@ static efi_status_t EFIAPI efi_open_protocol( goto out; } - list_for_each(lhandle, &efi_obj_list) { - struct efi_object *efiobj; - efiobj = list_entry(lhandle, struct efi_object, link); - - if (efiobj->handle != handle) - continue; - - for (i = 0; i < ARRAY_SIZE(efiobj->protocols); i++) { - struct efi_handler *handler = &efiobj->protocols[i]; - const efi_guid_t *hprotocol = handler->guid; - if (!hprotocol) - continue; - if (!guidcmp(hprotocol, protocol)) { - if (attributes != - EFI_OPEN_PROTOCOL_TEST_PROTOCOL) { - *protocol_interface = - handler->protocol_interface; - } - r = EFI_SUCCESS; - goto out; - } - } - goto unsupported; - } + r = efi_search_protocol(handle, protocol, &handler); + if (r != EFI_SUCCESS) + goto out; -unsupported: - r = EFI_UNSUPPORTED; + if (attributes != EFI_OPEN_PROTOCOL_TEST_PROTOCOL) + *protocol_interface = handler->protocol_interface; out: return EFI_EXIT(r); } @@ -2020,9 +2152,9 @@ static const struct efi_boot_services efi_boot_services = { .signal_event = efi_signal_event_ext, .close_event = efi_close_event, .check_event = efi_check_event, - .install_protocol_interface = efi_install_protocol_interface_ext, + .install_protocol_interface = efi_install_protocol_interface, .reinstall_protocol_interface = efi_reinstall_protocol_interface, - .uninstall_protocol_interface = efi_uninstall_protocol_interface_ext, + .uninstall_protocol_interface = efi_uninstall_protocol_interface, .handle_protocol = efi_handle_protocol, .reserved = NULL, .register_protocol_notify = efi_register_protocol_notify, diff --git a/lib/efi_loader/efi_console.c b/lib/efi_loader/efi_console.c index 01732aafea..98497db612 100644 --- a/lib/efi_loader/efi_console.c +++ b/lib/efi_loader/efi_console.c @@ -46,6 +46,10 @@ static struct cout_mode efi_cout_modes[] = { }; const efi_guid_t efi_guid_console_control = CONSOLE_CONTROL_GUID; +const efi_guid_t efi_guid_text_output_protocol = + EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID; +const efi_guid_t efi_guid_text_input_protocol = + EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID; #define cESC '\x1b' #define ESC "\x1b" @@ -81,7 +85,7 @@ static efi_status_t EFIAPI efi_cin_lock_std_in( return EFI_EXIT(EFI_UNSUPPORTED); } -const struct efi_console_control_protocol efi_console_control = { +struct efi_console_control_protocol efi_console_control = { .get_mode = efi_cin_get_mode, .set_mode = efi_cin_set_mode, .lock_std_in = efi_cin_lock_std_in, @@ -374,7 +378,7 @@ static efi_status_t EFIAPI efi_cout_enable_cursor( return EFI_EXIT(EFI_SUCCESS); } -const struct efi_simple_text_output_protocol efi_con_out = { +struct efi_simple_text_output_protocol efi_con_out = { .reset = efi_cout_reset, .output_string = efi_cout_output_string, .test_string = efi_cout_test_string, @@ -490,23 +494,38 @@ static void EFIAPI efi_console_timer_notify(struct efi_event *event, } -static struct efi_object efi_console_control_obj = - EFI_PROTOCOL_OBJECT(efi_guid_console_control, &efi_console_control); -static struct efi_object efi_console_output_obj = - EFI_PROTOCOL_OBJECT(EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID, &efi_con_out); -static struct efi_object efi_console_input_obj = - EFI_PROTOCOL_OBJECT(EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID, &efi_con_in); - /* This gets called from do_bootefi_exec(). */ int efi_console_register(void) { efi_status_t r; + struct efi_object *efi_console_control_obj; + struct efi_object *efi_console_output_obj; + struct efi_object *efi_console_input_obj; - /* Hook up to the device list */ - list_add_tail(&efi_console_control_obj.link, &efi_obj_list); - list_add_tail(&efi_console_output_obj.link, &efi_obj_list); - list_add_tail(&efi_console_input_obj.link, &efi_obj_list); + /* Create handles */ + r = efi_create_handle((void **)&efi_console_control_obj); + if (r != EFI_SUCCESS) + goto out_of_memory; + r = efi_add_protocol(efi_console_control_obj->handle, + &efi_guid_console_control, &efi_console_control); + if (r != EFI_SUCCESS) + goto out_of_memory; + r = efi_create_handle((void **)&efi_console_output_obj); + if (r != EFI_SUCCESS) + goto out_of_memory; + r = efi_add_protocol(efi_console_output_obj->handle, + &efi_guid_text_output_protocol, &efi_con_out); + if (r != EFI_SUCCESS) + goto out_of_memory; + r = efi_create_handle((void **)&efi_console_input_obj); + if (r != EFI_SUCCESS) + goto out_of_memory; + r = efi_add_protocol(efi_console_input_obj->handle, + &efi_guid_text_input_protocol, &efi_con_in); + if (r != EFI_SUCCESS) + goto out_of_memory; + /* Create console events */ r = efi_create_event(EVT_NOTIFY_WAIT, TPL_CALLBACK, efi_key_notify, NULL, &efi_con_in.wait_for_key); if (r != EFI_SUCCESS) { @@ -525,4 +544,7 @@ int efi_console_register(void) if (r != EFI_SUCCESS) printf("ERROR: Failed to set console timer\n"); return r; +out_of_memory: + printf("ERROR: Out of meemory\n"); + return r; } diff --git a/lib/efi_loader/efi_device_path.c b/lib/efi_loader/efi_device_path.c index f6e368e029..b4e2f933cb 100644 --- a/lib/efi_loader/efi_device_path.c +++ b/lib/efi_loader/efi_device_path.c @@ -68,7 +68,8 @@ struct efi_device_path *efi_dp_next(const struct efi_device_path *dp) * representing a device with one representing a file on the device, or * a device with a parent device. */ -int efi_dp_match(struct efi_device_path *a, struct efi_device_path *b) +int efi_dp_match(const struct efi_device_path *a, + const struct efi_device_path *b) { while (1) { int ret; @@ -127,32 +128,27 @@ static struct efi_object *find_obj(struct efi_device_path *dp, bool short_path, struct efi_object *efiobj; list_for_each_entry(efiobj, &efi_obj_list, link) { - int i; - - for (i = 0; i < ARRAY_SIZE(efiobj->protocols); i++) { - struct efi_handler *handler = &efiobj->protocols[i]; - struct efi_device_path *obj_dp; - - if (!handler->guid) - break; - - if (guidcmp(handler->guid, &efi_guid_device_path)) - continue; - - obj_dp = handler->protocol_interface; - - do { - if (efi_dp_match(dp, obj_dp) == 0) { - if (rem) { - *rem = ((void *)dp) + - efi_dp_size(obj_dp); - } - return efiobj; + struct efi_handler *handler; + struct efi_device_path *obj_dp; + efi_status_t ret; + + ret = efi_search_protocol(efiobj->handle, + &efi_guid_device_path, &handler); + if (ret != EFI_SUCCESS) + continue; + obj_dp = handler->protocol_interface; + + do { + if (efi_dp_match(dp, obj_dp) == 0) { + if (rem) { + *rem = ((void *)dp) + + efi_dp_size(obj_dp); } + return efiobj; + } - obj_dp = shorten_path(efi_dp_next(obj_dp)); - } while (short_path && obj_dp); - } + obj_dp = shorten_path(efi_dp_next(obj_dp)); + } while (short_path && obj_dp); } return NULL; @@ -427,10 +423,27 @@ static void *dp_part_fill(void *buf, struct blk_desc *desc, int part) hddp->partmap_type = 2; else hddp->partmap_type = 1; - hddp->signature_type = desc->sig_type; - if (hddp->signature_type != 0) + + switch (desc->sig_type) { + case SIG_TYPE_NONE: + default: + hddp->signature_type = 0; + memset(hddp->partition_signature, 0, + sizeof(hddp->partition_signature)); + break; + case SIG_TYPE_MBR: + hddp->signature_type = 1; + memset(hddp->partition_signature, 0, + sizeof(hddp->partition_signature)); + memcpy(hddp->partition_signature, &desc->mbr_sig, + sizeof(desc->mbr_sig)); + break; + case SIG_TYPE_GUID: + hddp->signature_type = 2; memcpy(hddp->partition_signature, &desc->guid_sig, sizeof(hddp->partition_signature)); + break; + } buf = &hddp[1]; } diff --git a/lib/efi_loader/efi_device_path_to_text.c b/lib/efi_loader/efi_device_path_to_text.c index 62771338f0..7159c974d4 100644 --- a/lib/efi_loader/efi_device_path_to_text.c +++ b/lib/efi_loader/efi_device_path_to_text.c @@ -12,12 +12,31 @@ #define MAC_OUTPUT_LEN 22 #define UNKNOWN_OUTPUT_LEN 23 +#define MAX_NODE_LEN 512 +#define MAX_PATH_LEN 1024 + const efi_guid_t efi_guid_device_path_to_text_protocol = EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID; +static u16 *efi_str_to_u16(char *str) +{ + efi_uintn_t len; + u16 *out; + efi_status_t ret; + + len = strlen(str) + 1; + ret = efi_allocate_pool(EFI_ALLOCATE_ANY_PAGES, len * sizeof(u16), + (void **)&out); + if (ret != EFI_SUCCESS) + return NULL; + ascii2unicode(out, str); + out[len - 1] = 0; + return out; +} + static char *dp_unknown(char *s, struct efi_device_path *dp) { - s += sprintf(s, "/UNKNOWN(%04x,%04x)", dp->type, dp->sub_type); + s += sprintf(s, "UNKNOWN(%04x,%04x)", dp->type, dp->sub_type); return s; } @@ -27,7 +46,7 @@ static char *dp_hardware(char *s, struct efi_device_path *dp) case DEVICE_PATH_SUB_TYPE_MEMORY: { struct efi_device_path_memory *mdp = (struct efi_device_path_memory *)dp; - s += sprintf(s, "/MemoryMapped(0x%x,0x%llx,0x%llx)", + s += sprintf(s, "MemoryMapped(0x%x,0x%llx,0x%llx)", mdp->memory_type, mdp->start_address, mdp->end_address); @@ -36,7 +55,7 @@ static char *dp_hardware(char *s, struct efi_device_path *dp) case DEVICE_PATH_SUB_TYPE_VENDOR: { struct efi_device_path_vendor *vdp = (struct efi_device_path_vendor *)dp; - s += sprintf(s, "/VenHw(%pUl)", &vdp->guid); + s += sprintf(s, "VenHw(%pUl)", &vdp->guid); break; } default: @@ -52,7 +71,7 @@ static char *dp_acpi(char *s, struct efi_device_path *dp) case DEVICE_PATH_SUB_TYPE_ACPI_DEVICE: { struct efi_device_path_acpi_path *adp = (struct efi_device_path_acpi_path *)dp; - s += sprintf(s, "/Acpi(PNP%04x", EISA_PNP_NUM(adp->hid)); + s += sprintf(s, "Acpi(PNP%04x", EISA_PNP_NUM(adp->hid)); if (adp->uid) s += sprintf(s, ",%d", adp->uid); s += sprintf(s, ")"); @@ -71,7 +90,7 @@ static char *dp_msging(char *s, struct efi_device_path *dp) case DEVICE_PATH_SUB_TYPE_MSG_USB: { struct efi_device_path_usb *udp = (struct efi_device_path_usb *)dp; - s += sprintf(s, "/Usb(0x%x,0x%x)", udp->parent_port_number, + s += sprintf(s, "Usb(0x%x,0x%x)", udp->parent_port_number, udp->usb_interface); break; } @@ -82,7 +101,7 @@ static char *dp_msging(char *s, struct efi_device_path *dp) if (mdp->if_type != 0 && mdp->if_type != 1) break; - s += sprintf(s, "/MAC(%02x%02x%02x%02x%02x%02x,0x%1x)", + s += sprintf(s, "MAC(%02x%02x%02x%02x%02x%02x,0x%1x)", mdp->mac.addr[0], mdp->mac.addr[1], mdp->mac.addr[2], mdp->mac.addr[3], mdp->mac.addr[4], mdp->mac.addr[5], @@ -94,7 +113,7 @@ static char *dp_msging(char *s, struct efi_device_path *dp) struct efi_device_path_usb_class *ucdp = (struct efi_device_path_usb_class *)dp; - s += sprintf(s, "/USBClass(%x,%x,%x,%x,%x)", + s += sprintf(s, "USBClass(%x,%x,%x,%x,%x)", ucdp->vendor_id, ucdp->product_id, ucdp->device_class, ucdp->device_subclass, ucdp->device_protocol); @@ -108,7 +127,7 @@ static char *dp_msging(char *s, struct efi_device_path *dp) "SDCard" : "MMC"; struct efi_device_path_sd_mmc_path *sddp = (struct efi_device_path_sd_mmc_path *)dp; - s += sprintf(s, "/%s(Slot%u)", typename, sddp->slot_number); + s += sprintf(s, "%s(Slot%u)", typename, sddp->slot_number); break; } default: @@ -128,17 +147,19 @@ static char *dp_media(char *s, struct efi_device_path *dp) switch (hddp->signature_type) { case SIG_TYPE_MBR: - s += sprintf(s, "/HD(Part%d,Sig%08x)", + s += sprintf(s, "HD(Part%d,Sig%08x)", hddp->partition_number, *(uint32_t *)sig); break; case SIG_TYPE_GUID: - s += sprintf(s, "/HD(Part%d,Sig%pUl)", + s += sprintf(s, "HD(Part%d,Sig%pUl)", hddp->partition_number, sig); + break; default: - s += sprintf(s, "/HD(Part%d,MBRType=%02x,SigType=%02x)", + s += sprintf(s, "HD(Part%d,MBRType=%02x,SigType=%02x)", hddp->partition_number, hddp->partmap_type, hddp->signature_type); + break; } break; @@ -146,14 +167,16 @@ static char *dp_media(char *s, struct efi_device_path *dp) case DEVICE_PATH_SUB_TYPE_CDROM_PATH: { struct efi_device_path_cdrom_path *cddp = (struct efi_device_path_cdrom_path *)dp; - s += sprintf(s, "/CDROM(0x%x)", cddp->boot_entry); + s += sprintf(s, "CDROM(0x%x)", cddp->boot_entry); break; } case DEVICE_PATH_SUB_TYPE_FILE_PATH: { struct efi_device_path_file_path *fp = (struct efi_device_path_file_path *)dp; int slen = (dp->length - sizeof(*dp)) / 2; - s += sprintf(s, "/%-*ls", slen, fp->str); + if (slen > MAX_NODE_LEN - 2) + slen = MAX_NODE_LEN - 2; + s += sprintf(s, "%-.*ls", slen, fp->str); break; } default: @@ -163,95 +186,119 @@ static char *dp_media(char *s, struct efi_device_path *dp) return s; } -static uint16_t *efi_convert_device_node_to_text( - struct efi_device_path *dp, - bool display_only, - bool allow_shortcuts) +/* + * Converts a single node to a char string. + * + * @buffer output buffer + * @dp device path or node + * @return end of string + */ +static char *efi_convert_single_device_node_to_text( + char *buffer, + struct efi_device_path *dp) { - unsigned long len; - efi_status_t r; - char buf[512]; /* this ought be be big enough for worst case */ - char *str = buf; - uint16_t *out; - - while (dp) { - switch (dp->type) { - case DEVICE_PATH_TYPE_HARDWARE_DEVICE: - str = dp_hardware(str, dp); - break; - case DEVICE_PATH_TYPE_ACPI_DEVICE: - str = dp_acpi(str, dp); - break; - case DEVICE_PATH_TYPE_MESSAGING_DEVICE: - str = dp_msging(str, dp); - break; - case DEVICE_PATH_TYPE_MEDIA_DEVICE: - str = dp_media(str, dp); - break; - default: - str = dp_unknown(str, dp); - } + char *str = buffer; - dp = efi_dp_next(dp); + switch (dp->type) { + case DEVICE_PATH_TYPE_HARDWARE_DEVICE: + str = dp_hardware(str, dp); + break; + case DEVICE_PATH_TYPE_ACPI_DEVICE: + str = dp_acpi(str, dp); + break; + case DEVICE_PATH_TYPE_MESSAGING_DEVICE: + str = dp_msging(str, dp); + break; + case DEVICE_PATH_TYPE_MEDIA_DEVICE: + str = dp_media(str, dp); + break; + default: + str = dp_unknown(str, dp); } - *str++ = '\0'; - - len = str - buf; - r = efi_allocate_pool(EFI_ALLOCATE_ANY_PAGES, 2 * len, (void **)&out); - if (r != EFI_SUCCESS) - return NULL; - - ascii2unicode(out, buf); - out[len - 1] = 0; - - return out; + *str = '\0'; + return str; } -/* helper for debug prints.. efi_free_pool() the result. */ -uint16_t *efi_dp_str(struct efi_device_path *dp) -{ - return efi_convert_device_node_to_text(dp, true, true); -} - - -static uint16_t EFIAPI *efi_convert_device_node_to_text_ext( +/* + * This function implements the ConvertDeviceNodeToText service of the + * EFI_DEVICE_PATH_TO_TEXT_PROTOCOL. + * See the Unified Extensible Firmware Interface (UEFI) specification + * for details. + * + * device_node device node to be converted + * display_only true if the shorter text represenation shall be used + * allow_shortcuts true if shortcut forms may be used + * @return text represenation of the device path + * NULL if out of memory of device_path is NULL + */ +static uint16_t EFIAPI *efi_convert_device_node_to_text( struct efi_device_path *device_node, bool display_only, bool allow_shortcuts) { - uint16_t *buffer; + char str[MAX_NODE_LEN]; + uint16_t *text = NULL; EFI_ENTRY("%p, %d, %d", device_node, display_only, allow_shortcuts); - buffer = efi_convert_device_node_to_text(device_node, display_only, - allow_shortcuts); + if (!device_node) + goto out; + efi_convert_single_device_node_to_text(str, device_node); + + text = efi_str_to_u16(str); +out: EFI_EXIT(EFI_SUCCESS); - return buffer; + return text; } +/* + * This function implements the ConvertDevicePathToText service of the + * EFI_DEVICE_PATH_TO_TEXT_PROTOCOL. + * See the Unified Extensible Firmware Interface (UEFI) specification + * for details. + * + * device_path device path to be converted + * display_only true if the shorter text represenation shall be used + * allow_shortcuts true if shortcut forms may be used + * @return text represenation of the device path + * NULL if out of memory of device_path is NULL + */ static uint16_t EFIAPI *efi_convert_device_path_to_text( struct efi_device_path *device_path, bool display_only, bool allow_shortcuts) { - uint16_t *buffer; + uint16_t *text = NULL; + char buffer[MAX_PATH_LEN]; + char *str = buffer; EFI_ENTRY("%p, %d, %d", device_path, display_only, allow_shortcuts); - /* - * Our device paths are all of depth one. So its is sufficient to - * to convert the first node. - */ - buffer = efi_convert_device_node_to_text(device_path, display_only, - allow_shortcuts); + if (!device_path) + goto out; + while (device_path && + str + MAX_NODE_LEN < buffer + MAX_PATH_LEN) { + *str++ = '/'; + str = efi_convert_single_device_node_to_text(str, device_path); + device_path = efi_dp_next(device_path); + } + + text = efi_str_to_u16(buffer); +out: EFI_EXIT(EFI_SUCCESS); - return buffer; + return text; +} + +/* helper for debug prints.. efi_free_pool() the result. */ +uint16_t *efi_dp_str(struct efi_device_path *dp) +{ + return EFI_CALL(efi_convert_device_path_to_text(dp, true, true)); } const struct efi_device_path_to_text_protocol efi_device_path_to_text = { - .convert_device_node_to_text = efi_convert_device_node_to_text_ext, + .convert_device_node_to_text = efi_convert_device_node_to_text, .convert_device_path_to_text = efi_convert_device_path_to_text, }; diff --git a/lib/efi_loader/efi_disk.c b/lib/efi_loader/efi_disk.c index e61dbc8058..4e457a841b 100644 --- a/lib/efi_loader/efi_disk.c +++ b/lib/efi_loader/efi_disk.c @@ -196,6 +196,15 @@ efi_fs_from_path(struct efi_device_path *fp) return diskobj->volume; } +/* + * Create a device for a disk + * + * @name not used + * @if_typename interface name for block device + * @desc internal block device + * @dev_index device index for block device + * @offset offset into disk for simple partitions + */ static void efi_disk_add_dev(const char *name, const char *if_typename, struct blk_desc *desc, @@ -204,29 +213,39 @@ static void efi_disk_add_dev(const char *name, unsigned int part) { struct efi_disk_obj *diskobj; + efi_status_t ret; /* Don't add empty devices */ if (!desc->lba) return; diskobj = calloc(1, sizeof(*diskobj)); + if (!diskobj) + goto out_of_memory; + + /* Hook up to the device list */ + efi_add_handle(&diskobj->parent); /* Fill in object data */ diskobj->dp = efi_dp_from_part(desc, part); diskobj->part = part; - diskobj->parent.protocols[0].guid = &efi_block_io_guid; - diskobj->parent.protocols[0].protocol_interface = &diskobj->ops; - diskobj->parent.protocols[1].guid = &efi_guid_device_path; - diskobj->parent.protocols[1].protocol_interface = diskobj->dp; + ret = efi_add_protocol(diskobj->parent.handle, &efi_block_io_guid, + &diskobj->ops); + if (ret != EFI_SUCCESS) + goto out_of_memory; + ret = efi_add_protocol(diskobj->parent.handle, &efi_guid_device_path, + diskobj->dp); + if (ret != EFI_SUCCESS) + goto out_of_memory; if (part >= 1) { diskobj->volume = efi_simple_file_system(desc, part, diskobj->dp); - diskobj->parent.protocols[2].guid = - &efi_simple_file_system_protocol_guid; - diskobj->parent.protocols[2].protocol_interface = - diskobj->volume; + ret = efi_add_protocol(diskobj->parent.handle, + &efi_simple_file_system_protocol_guid, + &diskobj->volume); + if (ret != EFI_SUCCESS) + goto out_of_memory; } - diskobj->parent.handle = diskobj; diskobj->ops = block_io_disk_template; diskobj->ifname = if_typename; diskobj->dev_index = dev_index; @@ -240,26 +259,22 @@ static void efi_disk_add_dev(const char *name, diskobj->media.io_align = desc->blksz; diskobj->media.last_block = desc->lba - offset; diskobj->ops.media = &diskobj->media; - - /* Hook up to the device list */ - list_add_tail(&diskobj->parent.link, &efi_obj_list); + return; +out_of_memory: + printf("ERROR: Out of memory\n"); } -static int efi_disk_create_eltorito(struct blk_desc *desc, - const char *if_typename, - int diskid, - const char *pdevname) +static int efi_disk_create_partitions(struct blk_desc *desc, + const char *if_typename, + int diskid, + const char *pdevname) { int disks = 0; -#if CONFIG_IS_ENABLED(ISO_PARTITION) char devname[32] = { 0 }; /* dp->str is u16[32] long */ disk_partition_t info; int part; - if (desc->part_type != PART_TYPE_ISO) - return 0; - - /* and devices for each partition: */ + /* Add devices for each partition */ for (part = 1; part <= MAX_SEARCH_PARTITIONS; part++) { if (part_get_info(desc, part, &info)) continue; @@ -270,10 +285,6 @@ static int efi_disk_create_eltorito(struct blk_desc *desc, disks++; } - /* ... and add block device: */ - efi_disk_add_dev(devname, if_typename, desc, diskid, 0, 0); -#endif - return disks; } @@ -299,31 +310,18 @@ int efi_disk_register(void) uclass_next_device_check(&dev)) { struct blk_desc *desc = dev_get_uclass_platdata(dev); const char *if_typename = dev->driver->name; - disk_partition_t info; - int part; printf("Scanning disk %s...\n", dev->name); - /* add devices for each partition: */ - for (part = 1; part <= MAX_SEARCH_PARTITIONS; part++) { - if (part_get_info(desc, part, &info)) - continue; - efi_disk_add_dev(dev->name, if_typename, desc, - desc->devnum, 0, part); - } - - /* ... and add block device: */ + /* Add block device for the full device */ efi_disk_add_dev(dev->name, if_typename, desc, desc->devnum, 0, 0); disks++; - /* - * El Torito images show up as block devices in an EFI world, - * so let's create them here - */ - disks += efi_disk_create_eltorito(desc, if_typename, - desc->devnum, dev->name); + /* Partitions show up as block devices in EFI */ + disks += efi_disk_create_partitions(desc, if_typename, + desc->devnum, dev->name); } #else int i, if_type; @@ -342,8 +340,6 @@ int efi_disk_register(void) for (i = 0; i < 4; i++) { struct blk_desc *desc; char devname[32] = { 0 }; /* dp->str is u16[32] long */ - disk_partition_t info; - int part; desc = blk_get_devnum_by_type(if_type, i); if (!desc) @@ -354,24 +350,13 @@ int efi_disk_register(void) snprintf(devname, sizeof(devname), "%s%d", if_typename, i); - /* add devices for each partition: */ - for (part = 1; part <= MAX_SEARCH_PARTITIONS; part++) { - if (part_get_info(desc, part, &info)) - continue; - efi_disk_add_dev(devname, if_typename, desc, - i, 0, part); - } - - /* ... and add block device: */ + /* Add block device for the full device */ efi_disk_add_dev(devname, if_typename, desc, i, 0, 0); disks++; - /* - * El Torito images show up as block devices - * in an EFI world, so let's create them here - */ - disks += efi_disk_create_eltorito(desc, if_typename, - i, devname); + /* Partitions show up as block devices in EFI */ + disks += efi_disk_create_partitions(desc, if_typename, + i, devname); } } #endif diff --git a/lib/efi_loader/efi_gop.c b/lib/efi_loader/efi_gop.c index 411a8c9226..3caddd5f84 100644 --- a/lib/efi_loader/efi_gop.c +++ b/lib/efi_loader/efi_gop.c @@ -32,7 +32,7 @@ struct efi_gop_obj { }; static efi_status_t EFIAPI gop_query_mode(struct efi_gop *this, u32 mode_number, - unsigned long *size_of_info, + efi_uintn_t *size_of_info, struct efi_gop_mode_info **info) { struct efi_gop_obj *gopobj; @@ -56,17 +56,17 @@ static efi_status_t EFIAPI gop_set_mode(struct efi_gop *this, u32 mode_number) return EFI_EXIT(EFI_SUCCESS); } -static efi_status_t EFIAPI gop_blt(struct efi_gop *this, void *buffer, - unsigned long operation, unsigned long sx, - unsigned long sy, unsigned long dx, - unsigned long dy, unsigned long width, - unsigned long height, unsigned long delta) +efi_status_t EFIAPI gop_blt(struct efi_gop *this, void *buffer, + u32 operation, efi_uintn_t sx, + efi_uintn_t sy, efi_uintn_t dx, + efi_uintn_t dy, efi_uintn_t width, + efi_uintn_t height, efi_uintn_t delta) { struct efi_gop_obj *gopobj = container_of(this, struct efi_gop_obj, ops); int i, j, line_len16, line_len32; void *fb; - EFI_ENTRY("%p, %p, %lx, %lx, %lx, %lx, %lx, %lx, %lx, %lx", this, + EFI_ENTRY("%p, %p, %u, %zu, %zu, %zu, %zu, %zu, %zu, %zu", this, buffer, operation, sx, sy, dx, dy, width, height, delta); if (operation != EFI_BLT_BUFFER_TO_VIDEO) @@ -132,6 +132,7 @@ int efi_gop_register(void) u32 bpix, col, row; u64 fb_base, fb_size; void *fb; + efi_status_t ret; #ifdef CONFIG_DM_VIDEO struct udevice *vdev; @@ -173,11 +174,21 @@ int efi_gop_register(void) } gopobj = calloc(1, sizeof(*gopobj)); + if (!gopobj) { + printf("ERROR: Out of memory\n"); + return 1; + } + + /* Hook up to the device list */ + efi_add_handle(&gopobj->parent); /* Fill in object data */ - gopobj->parent.protocols[0].guid = &efi_gop_guid; - gopobj->parent.protocols[0].protocol_interface = &gopobj->ops; - gopobj->parent.handle = &gopobj->ops; + ret = efi_add_protocol(gopobj->parent.handle, &efi_gop_guid, + &gopobj->ops); + if (ret != EFI_SUCCESS) { + printf("ERROR: Out of memory\n"); + return 1; + } gopobj->ops.query_mode = gop_query_mode; gopobj->ops.set_mode = gop_set_mode; gopobj->ops.blt = gop_blt; @@ -206,8 +217,5 @@ int efi_gop_register(void) gopobj->bpix = bpix; gopobj->fb = fb; - /* Hook up to the device list */ - list_add_tail(&gopobj->parent.link, &efi_obj_list); - return 0; } diff --git a/lib/efi_loader/efi_memory.c b/lib/efi_loader/efi_memory.c index d47759e08e..0aa3e0881d 100644 --- a/lib/efi_loader/efi_memory.c +++ b/lib/efi_loader/efi_memory.c @@ -276,7 +276,7 @@ static uint64_t efi_find_free_memory(uint64_t len, uint64_t max_addr) } efi_status_t efi_allocate_pages(int type, int memory_type, - unsigned long pages, uint64_t *memory) + efi_uintn_t pages, uint64_t *memory) { u64 len = pages << EFI_PAGE_SHIFT; efi_status_t r = EFI_SUCCESS; @@ -338,7 +338,7 @@ void *efi_alloc(uint64_t len, int memory_type) return NULL; } -efi_status_t efi_free_pages(uint64_t memory, unsigned long pages) +efi_status_t efi_free_pages(uint64_t memory, efi_uintn_t pages) { uint64_t r = 0; @@ -351,7 +351,7 @@ efi_status_t efi_free_pages(uint64_t memory, unsigned long pages) return EFI_NOT_FOUND; } -efi_status_t efi_allocate_pool(int pool_type, unsigned long size, +efi_status_t efi_allocate_pool(int pool_type, efi_uintn_t size, void **buffer) { efi_status_t r; @@ -392,16 +392,16 @@ efi_status_t efi_free_pool(void *buffer) return r; } -efi_status_t efi_get_memory_map(unsigned long *memory_map_size, - struct efi_mem_desc *memory_map, - unsigned long *map_key, - unsigned long *descriptor_size, - uint32_t *descriptor_version) +efi_status_t efi_get_memory_map(efi_uintn_t *memory_map_size, + struct efi_mem_desc *memory_map, + efi_uintn_t *map_key, + efi_uintn_t *descriptor_size, + uint32_t *descriptor_version) { - ulong map_size = 0; + efi_uintn_t map_size = 0; int map_entries = 0; struct list_head *lhandle; - unsigned long provided_map_size = *memory_map_size; + efi_uintn_t provided_map_size = *memory_map_size; list_for_each(lhandle, &efi_mem) map_entries++; diff --git a/lib/efi_loader/efi_net.c b/lib/efi_loader/efi_net.c index 432d9a99a2..8c5d5b492c 100644 --- a/lib/efi_loader/efi_net.c +++ b/lib/efi_loader/efi_net.c @@ -292,16 +292,25 @@ int efi_net_register(void) /* We only expose the "active" eth device, so one is enough */ netobj = calloc(1, sizeof(*netobj)); + if (!netobj) + goto out_of_memory; + + /* Hook net up to the device list */ + efi_add_handle(&netobj->parent); /* Fill in object data */ - netobj->parent.protocols[0].guid = &efi_net_guid; - netobj->parent.protocols[0].protocol_interface = &netobj->net; - netobj->parent.protocols[1].guid = &efi_guid_device_path; - netobj->parent.protocols[1].protocol_interface = - efi_dp_from_eth(); - netobj->parent.protocols[2].guid = &efi_pxe_guid; - netobj->parent.protocols[2].protocol_interface = &netobj->pxe; - netobj->parent.handle = &netobj->net; + r = efi_add_protocol(netobj->parent.handle, &efi_net_guid, + &netobj->net); + if (r != EFI_SUCCESS) + goto out_of_memory; + r = efi_add_protocol(netobj->parent.handle, &efi_guid_device_path, + efi_dp_from_eth()); + if (r != EFI_SUCCESS) + goto out_of_memory; + r = efi_add_protocol(netobj->parent.handle, &efi_pxe_guid, + &netobj->pxe); + if (r != EFI_SUCCESS) + goto out_of_memory; netobj->net.revision = EFI_SIMPLE_NETWORK_PROTOCOL_REVISION; netobj->net.start = efi_net_start; netobj->net.stop = efi_net_stop; @@ -326,9 +335,6 @@ int efi_net_register(void) if (dhcp_ack) netobj->pxe_mode.dhcp_ack = *dhcp_ack; - /* Hook net up to the device list */ - list_add_tail(&netobj->parent.link, &efi_obj_list); - /* * Create WaitForPacket event. */ @@ -361,4 +367,7 @@ int efi_net_register(void) } return 0; +out_of_memory: + printf("ERROR: Out of memory\n"); + return 1; } diff --git a/lib/efi_loader/efi_watchdog.c b/lib/efi_loader/efi_watchdog.c new file mode 100644 index 0000000000..35a45dedf8 --- /dev/null +++ b/lib/efi_loader/efi_watchdog.c @@ -0,0 +1,89 @@ +/* + * EFI watchdog + * + * Copyright (c) 2017 Heinrich Schuchardt + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <efi_loader.h> + +/* Conversion factor from seconds to multiples of 100ns */ +#define EFI_SECONDS_TO_100NS 10000000ULL + +static struct efi_event *watchdog_timer_event; + +/* + * Reset the system when the watchdog event is notified. + * + * @event: the watchdog event + * @context: not used + */ +static void EFIAPI efi_watchdog_timer_notify(struct efi_event *event, + void *context) +{ + EFI_ENTRY("%p, %p", event, context); + + printf("\nEFI: Watchdog timeout\n"); + EFI_CALL_VOID(efi_runtime_services.reset_system(EFI_RESET_COLD, + EFI_SUCCESS, 0, NULL)); + + EFI_EXIT(EFI_UNSUPPORTED); +} + +/* + * Reset the watchdog timer. + * + * This function is used by the SetWatchdogTimer service. + * + * @timeout: seconds before reset by watchdog + * @return: status code + */ +efi_status_t efi_set_watchdog(unsigned long timeout) +{ + efi_status_t r; + + if (timeout) + /* Reset watchdog */ + r = efi_set_timer(watchdog_timer_event, EFI_TIMER_RELATIVE, + EFI_SECONDS_TO_100NS * timeout); + else + /* Deactivate watchdog */ + r = efi_set_timer(watchdog_timer_event, EFI_TIMER_STOP, 0); + return r; +} + +/* + * Initialize the EFI watchdog. + * + * This function is called by efi_init_obj_list() + */ +int efi_watchdog_register(void) +{ + efi_status_t r; + + /* + * Create a timer event. + */ + r = efi_create_event(EVT_TIMER | EVT_NOTIFY_SIGNAL, TPL_CALLBACK, + efi_watchdog_timer_notify, NULL, + &watchdog_timer_event); + if (r != EFI_SUCCESS) { + printf("ERROR: Failed to register watchdog event\n"); + return r; + } + /* + * The UEFI standard requires that the watchdog timer is set to five + * minutes when invoking an EFI boot option. + * + * Unified Extensible Firmware Interface (UEFI), version 2.7 Errata A + * 7.5. Miscellaneous Boot Services - EFI_BOOT_SERVICES.SetWatchdogTimer + */ + r = efi_set_watchdog(300); + if (r != EFI_SUCCESS) { + printf("ERROR: Failed to set watchdog timer\n"); + return r; + } + return 0; +} diff --git a/lib/efi_loader/helloworld.c b/lib/efi_loader/helloworld.c index 03e65ab133..e59c24c788 100644 --- a/lib/efi_loader/helloworld.c +++ b/lib/efi_loader/helloworld.c @@ -5,20 +5,52 @@ * Written by Simon Glass <sjg@chromium.org> * * SPDX-License-Identifier: GPL-2.0+ + * + * This program demonstrates calling a boottime service. + * It writes a greeting and the load options to the console. */ #include <common.h> -#include <part_efi.h> #include <efi_api.h> +/* + * Entry point of the EFI application. + * + * @handle handle of the loaded image + * @systable system table + * @return status code + */ efi_status_t EFIAPI efi_main(efi_handle_t handle, struct efi_system_table *systable) { struct efi_simple_text_output_protocol *con_out = systable->con_out; struct efi_boot_services *boottime = systable->boottime; + struct efi_loaded_image *loaded_image; + const efi_guid_t loaded_image_guid = LOADED_IMAGE_GUID; + efi_status_t ret; con_out->output_string(con_out, L"Hello, world!\n"); - boottime->exit(handle, 0, 0, NULL); - return EFI_SUCCESS; + /* Get the loaded image protocol */ + ret = boottime->handle_protocol(handle, &loaded_image_guid, + (void **)&loaded_image); + if (ret != EFI_SUCCESS) { + con_out->output_string(con_out, + L"Cannot open loaded image protocol\n"); + goto out; + } + /* Output the load options */ + con_out->output_string(con_out, L"Load options: "); + if (loaded_image->load_options_size && loaded_image->load_options) + con_out->output_string(con_out, + (u16 *)loaded_image->load_options); + else + con_out->output_string(con_out, L"<none>"); + con_out->output_string(con_out, L"\n"); + +out: + boottime->exit(handle, ret, 0, NULL); + + /* We should never arrive here */ + return ret; } diff --git a/lib/efi_selftest/Makefile b/lib/efi_selftest/Makefile index e446046e02..837e86228e 100644 --- a/lib/efi_selftest/Makefile +++ b/lib/efi_selftest/Makefile @@ -7,26 +7,16 @@ # This file only gets included with CONFIG_EFI_LOADER set, so all # object inclusion implicitly depends on it -CFLAGS_efi_selftest.o := $(CFLAGS_EFI) -CFLAGS_REMOVE_efi_selftest.o := $(CFLAGS_NON_EFI) -CFLAGS_efi_selftest_console.o := $(CFLAGS_EFI) -CFLAGS_REMOVE_efi_selftest_console.o := $(CFLAGS_NON_EFI) -CFLAGS_efi_selftest_events.o := $(CFLAGS_EFI) -CFLAGS_REMOVE_efi_selftest_events.o := $(CFLAGS_NON_EFI) -CFLAGS_efi_selftest_exitbootservices.o := $(CFLAGS_EFI) -CFLAGS_REMOVE_efi_selftest_exitbootservices.o := $(CFLAGS_NON_EFI) -CFLAGS_efi_selftest_snp.o := $(CFLAGS_EFI) -CFLAGS_REMOVE_efi_selftest_snp.o := $(CFLAGS_NON_EFI) -CFLAGS_efi_selftest_tpl.o := $(CFLAGS_EFI) -CFLAGS_REMOVE_efi_selftest_tpl.o := $(CFLAGS_NON_EFI) -CFLAGS_efi_selftest_util.o := $(CFLAGS_EFI) -CFLAGS_REMOVE_efi_selftest_util.o := $(CFLAGS_NON_EFI) - obj-$(CONFIG_CMD_BOOTEFI_SELFTEST) += \ efi_selftest.o \ efi_selftest_console.o \ +efi_selftest_devicepath.o \ efi_selftest_events.o \ efi_selftest_exitbootservices.o \ +efi_selftest_gop.o \ +efi_selftest_manageprotocols.o \ efi_selftest_snp.o \ +efi_selftest_textoutput.o \ efi_selftest_tpl.o \ -efi_selftest_util.o +efi_selftest_util.o \ +efi_selftest_watchdog.o diff --git a/lib/efi_selftest/efi_selftest.c b/lib/efi_selftest/efi_selftest.c index 45d8d3d384..4e5a12c47c 100644 --- a/lib/efi_selftest/efi_selftest.c +++ b/lib/efi_selftest/efi_selftest.c @@ -9,6 +9,13 @@ #include <efi_selftest.h> #include <vsprintf.h> +/* + * Constants for test step bitmap + */ +#define EFI_ST_SETUP 1 +#define EFI_ST_EXECUTE 2 +#define EFI_ST_TEARDOWN 4 + static const struct efi_system_table *systable; static const struct efi_boot_services *boottime; static const struct efi_runtime_services *runtime; @@ -25,9 +32,9 @@ static u16 reset_message[] = L"Selftest completed"; */ void efi_st_exit_boot_services(void) { - unsigned long map_size = 0; - unsigned long map_key; - unsigned long desc_size; + efi_uintn_t map_size = 0; + efi_uintn_t map_key; + efi_uintn_t desc_size; u32 desc_version; efi_status_t ret; struct efi_mem_desc *memory_map; @@ -134,6 +141,70 @@ static int teardown(struct efi_unit_test *test, unsigned int *failures) } /* + * Check that a test exists. + * + * @testname: name of the test + * @return: test + */ +static struct efi_unit_test *find_test(const u16 *testname) +{ + struct efi_unit_test *test; + + for (test = ll_entry_start(struct efi_unit_test, efi_unit_test); + test < ll_entry_end(struct efi_unit_test, efi_unit_test); ++test) { + if (!efi_st_strcmp_16_8(testname, test->name)) + return test; + } + efi_st_printf("\nTest '%ps' not found\n", testname); + return NULL; +} + +/* + * List all available tests. + */ +static void list_all_tests(void) +{ + struct efi_unit_test *test; + + /* List all tests */ + efi_st_printf("\nAvailable tests:\n"); + for (test = ll_entry_start(struct efi_unit_test, efi_unit_test); + test < ll_entry_end(struct efi_unit_test, efi_unit_test); ++test) { + efi_st_printf("'%s'%s\n", test->name, + test->on_request ? " - on request" : ""); + } +} + +/* + * Execute test steps of one phase. + * + * @testname name of a single selected test or NULL + * @phase test phase + * @steps steps to execute + * failures returns EFI_ST_SUCCESS if all test steps succeeded + */ +void efi_st_do_tests(const u16 *testname, unsigned int phase, + unsigned int steps, unsigned int *failures) +{ + struct efi_unit_test *test; + + for (test = ll_entry_start(struct efi_unit_test, efi_unit_test); + test < ll_entry_end(struct efi_unit_test, efi_unit_test); ++test) { + if (testname ? + efi_st_strcmp_16_8(testname, test->name) : test->on_request) + continue; + if (test->phase != phase) + continue; + if (steps & EFI_ST_SETUP) + setup(test, failures); + if (steps & EFI_ST_EXECUTE) + execute(test, failures); + if (steps & EFI_ST_TEARDOWN) + teardown(test, failures); + } +} + +/* * Execute selftest of the EFI API * * This is the main entry point of the EFI selftest application. @@ -153,8 +224,10 @@ static int teardown(struct efi_unit_test *test, unsigned int *failures) efi_status_t EFIAPI efi_selftest(efi_handle_t image_handle, struct efi_system_table *systab) { - struct efi_unit_test *test; unsigned int failures = 0; + const u16 *testname = NULL; + struct efi_loaded_image *loaded_image; + efi_status_t ret; systable = systab; boottime = systable->boottime; @@ -163,47 +236,59 @@ efi_status_t EFIAPI efi_selftest(efi_handle_t image_handle, con_out = systable->con_out; con_in = systable->con_in; - efi_st_printf("\nTesting EFI API implementation\n"); + ret = boottime->handle_protocol(image_handle, &efi_guid_loaded_image, + (void **)&loaded_image); + if (ret != EFI_SUCCESS) { + efi_st_error("Cannot open loaded image protocol\n"); + return ret; + } - efi_st_printf("\nNumber of tests to execute: %u\n", - ll_entry_count(struct efi_unit_test, efi_unit_test)); + if (loaded_image->load_options) + testname = (u16 *)loaded_image->load_options; - /* Execute boottime tests */ - for (test = ll_entry_start(struct efi_unit_test, efi_unit_test); - test < ll_entry_end(struct efi_unit_test, efi_unit_test); ++test) { - if (test->phase == EFI_EXECUTE_BEFORE_BOOTTIME_EXIT) { - setup(test, &failures); - execute(test, &failures); - teardown(test, &failures); + if (testname) { + if (!efi_st_strcmp_16_8(testname, "list") || + !find_test(testname)) { + list_all_tests(); + /* + * TODO: + * Once the Exit boottime service is correctly + * implemented we should call + * boottime->exit(image_handle, EFI_SUCCESS, 0, NULL); + * here, cf. + * https://lists.denx.de/pipermail/u-boot/2017-October/308720.html + */ + return EFI_SUCCESS; } } + efi_st_printf("\nTesting EFI API implementation\n"); + + if (testname) + efi_st_printf("\nSelected test: '%ps'\n", testname); + else + efi_st_printf("\nNumber of tests to execute: %u\n", + ll_entry_count(struct efi_unit_test, + efi_unit_test)); + + /* Execute boottime tests */ + efi_st_do_tests(testname, EFI_EXECUTE_BEFORE_BOOTTIME_EXIT, + EFI_ST_SETUP | EFI_ST_EXECUTE | EFI_ST_TEARDOWN, + &failures); + /* Execute mixed tests */ - for (test = ll_entry_start(struct efi_unit_test, efi_unit_test); - test < ll_entry_end(struct efi_unit_test, efi_unit_test); ++test) { - if (test->phase == EFI_SETUP_BEFORE_BOOTTIME_EXIT) - setup(test, &failures); - } + efi_st_do_tests(testname, EFI_SETUP_BEFORE_BOOTTIME_EXIT, + EFI_ST_SETUP, &failures); efi_st_exit_boot_services(); - for (test = ll_entry_start(struct efi_unit_test, efi_unit_test); - test < ll_entry_end(struct efi_unit_test, efi_unit_test); ++test) { - if (test->phase == EFI_SETUP_BEFORE_BOOTTIME_EXIT) { - execute(test, &failures); - teardown(test, &failures); - } - } + efi_st_do_tests(testname, EFI_SETUP_BEFORE_BOOTTIME_EXIT, + EFI_ST_EXECUTE | EFI_ST_TEARDOWN, &failures); /* Execute runtime tests */ - for (test = ll_entry_start(struct efi_unit_test, efi_unit_test); - test < ll_entry_end(struct efi_unit_test, efi_unit_test); ++test) { - if (test->phase == EFI_SETUP_AFTER_BOOTTIME_EXIT) { - setup(test, &failures); - execute(test, &failures); - teardown(test, &failures); - } - } + efi_st_do_tests(testname, EFI_SETUP_AFTER_BOOTTIME_EXIT, + EFI_ST_SETUP | EFI_ST_EXECUTE | EFI_ST_TEARDOWN, + &failures); /* Give feedback */ efi_st_printf("\nSummary: %u failures\n\n", failures); diff --git a/lib/efi_selftest/efi_selftest_console.c b/lib/efi_selftest/efi_selftest_console.c index 840e2290c6..6a7fd20da5 100644 --- a/lib/efi_selftest/efi_selftest_console.c +++ b/lib/efi_selftest/efi_selftest_console.c @@ -142,6 +142,7 @@ void efi_st_printf(const char *fmt, ...) const char *c; u16 *pos = buf; const char *s; + const u16 *u; va_start(args, fmt); @@ -179,9 +180,18 @@ void efi_st_printf(const char *fmt, ...) case 'p': ++c; switch (*c) { + /* MAC address */ case 'm': mac(va_arg(args, void*), &pos); break; + + /* u16 string */ + case 's': + u = va_arg(args, u16*); + /* Ensure string fits into buffer */ + for (; *u && pos < buf + 120; ++u) + *pos++ = *u; + break; default: --c; pointer(va_arg(args, void*), &pos); diff --git a/lib/efi_selftest/efi_selftest_devicepath.c b/lib/efi_selftest/efi_selftest_devicepath.c new file mode 100644 index 0000000000..1ab54ebb37 --- /dev/null +++ b/lib/efi_selftest/efi_selftest_devicepath.c @@ -0,0 +1,390 @@ +/* + * efi_selftest_devicepath + * + * Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + * + * This unit test checks the following protocol services: + * DevicePathToText + */ + +#include <efi_selftest.h> + +static struct efi_boot_services *boottime; + +static efi_handle_t handle1; +static efi_handle_t handle2; +static efi_handle_t handle3; + +struct interface { + void (EFIAPI * inc)(void); +} interface; + +static efi_guid_t guid_device_path = DEVICE_PATH_GUID; + +static efi_guid_t guid_device_path_to_text_protocol = + EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID; + +static efi_guid_t guid_protocol = + EFI_GUID(0xdbca4c98, 0x6cb0, 0x694d, + 0x08, 0x72, 0x81, 0x9c, 0x65, 0x0c, 0xbb, 0x7d); + +static efi_guid_t guid_vendor1 = + EFI_GUID(0xdbca4c98, 0x6cb0, 0x694d, + 0x08, 0x72, 0x81, 0x9c, 0x65, 0x0c, 0xbb, 0xb1); + +static efi_guid_t guid_vendor2 = + EFI_GUID(0xdbca4c98, 0x6cb0, 0x694d, + 0x08, 0x72, 0x81, 0x9c, 0x65, 0x0c, 0xbb, 0xa2); + +static efi_guid_t guid_vendor3 = + EFI_GUID(0xdbca4c98, 0x6cb0, 0x694d, + 0x08, 0x72, 0x81, 0x9c, 0x65, 0x0c, 0xbb, 0xc3); + +static u8 *dp1; +static u8 *dp2; +static u8 *dp3; + +struct efi_device_path_to_text_protocol *device_path_to_text; + +/* + * Setup unit test. + * + * Create three handles. Install a new protocol on two of them and + * provice device paths. + * + * handle1 + * guid interface + * handle2 + * guid interface + * handle3 + * + * @handle: handle of the loaded image + * @systable: system table + */ +static int setup(const efi_handle_t img_handle, + const struct efi_system_table *systable) +{ + struct efi_device_path_vendor vendor_node; + struct efi_device_path end_node; + efi_status_t ret; + + boottime = systable->boottime; + + ret = boottime->locate_protocol(&guid_device_path_to_text_protocol, + NULL, (void **)&device_path_to_text); + if (ret != EFI_SUCCESS) { + device_path_to_text = NULL; + efi_st_error( + "Device path to text protocol is not available.\n"); + return EFI_ST_FAILURE; + } + + ret = boottime->allocate_pool(EFI_LOADER_DATA, + sizeof(struct efi_device_path_vendor) + + sizeof(struct efi_device_path), + (void **)&dp1); + if (ret != EFI_SUCCESS) + goto out_of_memory; + + ret = boottime->allocate_pool(EFI_LOADER_DATA, 2 * + sizeof(struct efi_device_path_vendor) + + sizeof(struct efi_device_path), + (void **)&dp2); + if (ret != EFI_SUCCESS) + goto out_of_memory; + + ret = boottime->allocate_pool(EFI_LOADER_DATA, 3 * + sizeof(struct efi_device_path_vendor) + + sizeof(struct efi_device_path), + (void **)&dp3); + if (ret != EFI_SUCCESS) + goto out_of_memory; + + vendor_node.dp.type = DEVICE_PATH_TYPE_HARDWARE_DEVICE; + vendor_node.dp.sub_type = DEVICE_PATH_SUB_TYPE_VENDOR; + vendor_node.dp.length = sizeof(struct efi_device_path_vendor); + + boottime->copy_mem(&vendor_node.guid, &guid_vendor1, + sizeof(efi_guid_t)); + boottime->copy_mem(dp1, &vendor_node, + sizeof(struct efi_device_path_vendor)); + boottime->copy_mem(dp2, &vendor_node, + sizeof(struct efi_device_path_vendor)); + boottime->copy_mem(dp3, &vendor_node, + sizeof(struct efi_device_path_vendor)); + + boottime->copy_mem(&vendor_node.guid, &guid_vendor2, + sizeof(efi_guid_t)); + boottime->copy_mem(dp2 + sizeof(struct efi_device_path_vendor), + &vendor_node, sizeof(struct efi_device_path_vendor)); + boottime->copy_mem(dp3 + sizeof(struct efi_device_path_vendor), + &vendor_node, sizeof(struct efi_device_path_vendor)); + + boottime->copy_mem(&vendor_node.guid, &guid_vendor3, + sizeof(efi_guid_t)); + boottime->copy_mem(dp3 + 2 * sizeof(struct efi_device_path_vendor), + &vendor_node, sizeof(struct efi_device_path_vendor)); + + end_node.type = DEVICE_PATH_TYPE_END; + end_node.sub_type = DEVICE_PATH_SUB_TYPE_END; + end_node.length = sizeof(struct efi_device_path); + boottime->copy_mem(dp1 + sizeof(struct efi_device_path_vendor), + &end_node, sizeof(struct efi_device_path)); + boottime->copy_mem(dp2 + 2 * sizeof(struct efi_device_path_vendor), + &end_node, sizeof(struct efi_device_path)); + boottime->copy_mem(dp3 + 3 * sizeof(struct efi_device_path_vendor), + &end_node, sizeof(struct efi_device_path)); + + ret = boottime->install_protocol_interface(&handle1, + &guid_device_path, + EFI_NATIVE_INTERFACE, + dp1); + if (ret != EFI_SUCCESS) { + efi_st_error("InstallProtocolInterface failed\n"); + return EFI_ST_FAILURE; + } + ret = boottime->install_protocol_interface(&handle1, + &guid_protocol, + EFI_NATIVE_INTERFACE, + &interface); + if (ret != EFI_SUCCESS) { + efi_st_error("InstallProtocolInterface failed\n"); + return EFI_ST_FAILURE; + } + ret = boottime->install_protocol_interface(&handle2, + &guid_device_path, + EFI_NATIVE_INTERFACE, + dp2); + if (ret != EFI_SUCCESS) { + efi_st_error("InstallProtocolInterface failed\n"); + return EFI_ST_FAILURE; + } + ret = boottime->install_protocol_interface(&handle2, + &guid_protocol, + EFI_NATIVE_INTERFACE, + &interface); + if (ret != EFI_SUCCESS) { + efi_st_error("InstallProtocolInterface failed\n"); + return EFI_ST_FAILURE; + } + ret = boottime->install_protocol_interface(&handle3, + &guid_device_path, + EFI_NATIVE_INTERFACE, + dp3); + if (ret != EFI_SUCCESS) { + efi_st_error("InstallProtocolInterface failed\n"); + return EFI_ST_FAILURE; + } + return EFI_ST_SUCCESS; + +out_of_memory: + efi_st_error("Out of memory\n"); + return EFI_ST_FAILURE; +} + +/* + * Tear down unit test. + * + */ +static int teardown(void) +{ + efi_status_t ret; + + ret = boottime->uninstall_protocol_interface(&handle1, + &guid_device_path, + dp1); + if (ret != EFI_SUCCESS) + efi_st_todo("UninstallProtocolInterface failed\n"); + ret = boottime->uninstall_protocol_interface(&handle1, + &guid_protocol, + &interface); + if (ret != EFI_SUCCESS) + efi_st_todo("UninstallProtocolInterface failed\n"); + ret = boottime->uninstall_protocol_interface(&handle2, + &guid_device_path, + dp2); + if (ret != EFI_SUCCESS) + efi_st_todo("UninstallProtocolInterface failed\n"); + ret = boottime->uninstall_protocol_interface(&handle2, + &guid_protocol, + &interface); + if (ret != EFI_SUCCESS) + efi_st_todo("UninstallProtocolInterface failed\n"); + ret = boottime->uninstall_protocol_interface(&handle3, + &guid_device_path, + dp3); + if (ret != EFI_SUCCESS) + efi_st_todo("UninstallProtocolInterface failed\n"); + if (dp1) { + ret = boottime->free_pool(dp1); + if (ret != EFI_SUCCESS) { + efi_st_error("FreePool failed\n"); + return EFI_ST_FAILURE; + } + } + if (dp2) { + ret = boottime->free_pool(dp2); + if (ret != EFI_SUCCESS) { + efi_st_error("FreePool failed\n"); + return EFI_ST_FAILURE; + } + } + if (dp3) { + ret = boottime->free_pool(dp3); + if (ret != EFI_SUCCESS) { + efi_st_error("FreePool failed\n"); + return EFI_ST_FAILURE; + } + } + return EFI_ST_SUCCESS; +} + +/* + * Execute unit test. + * + */ +static int execute(void) +{ + struct efi_device_path *remaining_dp; + void *handle; + /* + * This device path node ends with the letter 't' of 'u-boot'. + * The following '.bin' does not belong to the node but is + * helps to test the correct truncation. + */ + struct { + struct efi_device_path dp; + u16 text[12]; + } __packed dp_node = { + { DEVICE_PATH_TYPE_MEDIA_DEVICE, + DEVICE_PATH_SUB_TYPE_FILE_PATH, + sizeof(struct efi_device_path) + 12}, + L"u-boot.bin", + }; + u16 *string; + efi_status_t ret; + efi_uintn_t i, no_handles; + efi_handle_t *handles; + struct efi_device_path *dp; + + /* Display all available device paths */ + ret = boottime->locate_handle_buffer(BY_PROTOCOL, + &guid_device_path, + NULL, &no_handles, &handles); + if (ret != EFI_SUCCESS) { + efi_st_error("Cannot retrieve device path protocols.\n"); + return EFI_ST_FAILURE; + } + + efi_st_printf("Installed device path protocols:\n"); + for (i = 0; i < no_handles; ++i) { + ret = boottime->open_protocol(handles[i], &guid_device_path, + (void **)&dp, NULL, NULL, + EFI_OPEN_PROTOCOL_GET_PROTOCOL); + if (ret != EFI_SUCCESS) { + efi_st_error("Cannot open device path protocol.\n"); + return EFI_ST_FAILURE; + } + string = device_path_to_text->convert_device_path_to_text( + dp, true, false); + if (!string) { + efi_st_error("ConvertDevicePathToText failed\n"); + return EFI_ST_FAILURE; + } + efi_st_printf("%ps\n", string); + ret = boottime->free_pool(string); + if (ret != EFI_SUCCESS) { + efi_st_error("FreePool failed\n"); + return EFI_ST_FAILURE; + } + ret = boottime->close_protocol(handles[i], &guid_device_path, + NULL, NULL); + if (ret != EFI_SUCCESS) + efi_st_todo("Cannot close device path protocol.\n"); + } + ret = boottime->free_pool(handles); + if (ret != EFI_SUCCESS) { + efi_st_error("FreePool failed\n"); + return EFI_ST_FAILURE; + } + efi_st_printf("\n"); + + /* Test ConvertDevicePathToText */ + string = device_path_to_text->convert_device_path_to_text( + (struct efi_device_path *)dp2, true, false); + if (!string) { + efi_st_error("ConvertDevicePathToText failed\n"); + return EFI_ST_FAILURE; + } + efi_st_printf("dp2: %ps\n", string); + if (efi_st_strcmp_16_8( + string, + "/VenHw(dbca4c98-6cb0-694d-0872-819c650cbbb1)/VenHw(dbca4c98-6cb0-694d-0872-819c650cbba2)") + ) { + efi_st_error("Incorrect text from ConvertDevicePathToText\n"); + return EFI_ST_FAILURE; + } + + ret = boottime->free_pool(string); + if (ret != EFI_SUCCESS) { + efi_st_error("FreePool failed\n"); + return EFI_ST_FAILURE; + } + + /* Test ConvertDeviceNodeToText */ + string = device_path_to_text->convert_device_node_to_text( + (struct efi_device_path *)&dp_node, true, false); + if (!string) { + efi_st_error("ConvertDeviceNodeToText failed\n"); + return EFI_ST_FAILURE; + } + efi_st_printf("dp_node: %ps\n", string); + ret = boottime->free_pool(string); + if (ret != EFI_SUCCESS) { + efi_st_error("FreePool failed\n"); + return EFI_ST_FAILURE; + } + if (efi_st_strcmp_16_8(string, "u-boot")) { + efi_st_error( + "Incorrect conversion by ConvertDeviceNodeToText\n"); + return EFI_ST_FAILURE; + } + + /* Test LocateDevicePath */ + remaining_dp = (struct efi_device_path *)dp3; + ret = boottime->locate_device_path(&guid_protocol, &remaining_dp, + &handle); + if (ret != EFI_SUCCESS) { + efi_st_error("LocateDevicePath failed\n"); + return EFI_ST_FAILURE; + } + if (handle != handle2) { + efi_st_error("LocateDevicePath returned wrong handle\n"); + return EFI_ST_FAILURE; + } + string = device_path_to_text->convert_device_path_to_text(remaining_dp, + true, false); + if (!string) { + efi_st_error("ConvertDevicePathToText failed\n"); + return EFI_ST_FAILURE; + } + efi_st_printf("remaining device path: %ps\n", string); + if (efi_st_strcmp_16_8(string, + "/VenHw(dbca4c98-6cb0-694d-0872-819c650cbbc3)") + ) { + efi_st_error("LocateDevicePath: wrong remaining device path\n"); + return EFI_ST_FAILURE; + } + + return EFI_ST_SUCCESS; +} + +EFI_UNIT_TEST(devicepath) = { + .name = "device path", + .phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT, + .setup = setup, + .execute = execute, + .teardown = teardown, +}; diff --git a/lib/efi_selftest/efi_selftest_events.c b/lib/efi_selftest/efi_selftest_events.c index 081f31257f..ad9490bd25 100644 --- a/lib/efi_selftest/efi_selftest_events.c +++ b/lib/efi_selftest/efi_selftest_events.c @@ -108,7 +108,7 @@ static int teardown(void) */ static int execute(void) { - size_t index; + efi_uintn_t index; efi_status_t ret; /* Set 10 ms timer */ diff --git a/lib/efi_selftest/efi_selftest_gop.c b/lib/efi_selftest/efi_selftest_gop.c new file mode 100644 index 0000000000..2a0553b115 --- /dev/null +++ b/lib/efi_selftest/efi_selftest_gop.c @@ -0,0 +1,95 @@ +/* + * efi_selftest_gop + * + * Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + * + * Test the graphical output protocol. + */ + +#include <efi_selftest.h> + +static struct efi_boot_services *boottime; +static efi_guid_t efi_gop_guid = EFI_GOP_GUID; +static struct efi_gop *gop; + +/* + * Setup unit test. + * + * @handle: handle of the loaded image + * @systable: system table + * @return: EFI_ST_SUCCESS for success + */ +static int setup(const efi_handle_t handle, + const struct efi_system_table *systable) +{ + efi_status_t ret; + + boottime = systable->boottime; + + ret = boottime->locate_protocol(&efi_gop_guid, NULL, (void **)&gop); + if (ret != EFI_SUCCESS) { + gop = NULL; + efi_st_printf("Graphical output protocol is not available.\n"); + } + + return EFI_ST_SUCCESS; +} + +/* + * Tear down unit test. + * + * @return: EFI_ST_SUCCESS for success + */ +static int teardown(void) +{ + return EFI_ST_SUCCESS; +} + +/* + * Execute unit test. + * + * @return: EFI_ST_SUCCESS for success + */ +static int execute(void) +{ + efi_status_t ret; + u32 i, max_mode; + efi_uintn_t size; + struct efi_gop_mode_info *info; + + if (!gop) + return EFI_ST_SUCCESS; + + if (!gop->mode) { + efi_st_error("EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE missing\n"); + return EFI_ST_FAILURE; + } + max_mode = gop->mode->max_mode; + if (!max_mode) { + efi_st_error("No graphical mode available\n"); + return EFI_ST_FAILURE; + } + efi_st_printf("Number of available modes: %u\n", max_mode); + + for (i = 0; i < max_mode; ++i) { + ret = gop->query_mode(gop, i, &size, &info); + if (ret != EFI_SUCCESS) { + efi_st_printf("Could not query mode %u\n", i); + return EFI_ST_FAILURE; + } + efi_st_printf("Mode %u: %u x %u\n", + i, info->width, info->height); + } + + return EFI_ST_SUCCESS; +} + +EFI_UNIT_TEST(gop) = { + .name = "graphical output", + .phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT, + .setup = setup, + .execute = execute, + .teardown = teardown, +}; diff --git a/lib/efi_selftest/efi_selftest_manageprotocols.c b/lib/efi_selftest/efi_selftest_manageprotocols.c new file mode 100644 index 0000000000..f20f1528d4 --- /dev/null +++ b/lib/efi_selftest/efi_selftest_manageprotocols.c @@ -0,0 +1,354 @@ +/* + * efi_selftest_manageprotocols + * + * Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + * + * This unit test checks the following protocol services: + * InstallProtocolInterface, UninstallProtocolInterface, + * InstallMultipleProtocolsInterfaces, UninstallMultipleProtocolsInterfaces, + * HandleProtocol, ProtocolsPerHandle, + * LocateHandle, LocateHandleBuffer. + */ + +#include <efi_selftest.h> + +/* + * The test currently does not actually call the interface function. + * So this is just a dummy structure. + */ +struct interface { + void (EFIAPI * inc)(void); +}; + +static struct efi_boot_services *boottime; +static efi_guid_t guid1 = + EFI_GUID(0x2e7ca819, 0x21d3, 0x0a3a, + 0xf7, 0x91, 0x82, 0x1f, 0x7a, 0x83, 0x67, 0xaf); +static efi_guid_t guid2 = + EFI_GUID(0xf909f2bb, 0x90a8, 0x0d77, + 0x94, 0x0c, 0x3e, 0xa8, 0xea, 0x38, 0xd6, 0x6f); +static efi_guid_t guid3 = + EFI_GUID(0x06d641a3, 0xf4e7, 0xe0c9, + 0xe7, 0x8d, 0x41, 0x2d, 0x72, 0xa6, 0xb1, 0x24); +static efi_handle_t handle1; +static efi_handle_t handle2; +static struct interface interface1; +static struct interface interface2; +static struct interface interface3; +static struct interface interface4; + +/* + * Find a handle in an array. + * + * @handle: handle to find + * @count: number of entries in the array + * @buffer: array to search + */ +efi_status_t find_in_buffer(efi_handle_t handle, size_t count, + efi_handle_t *buffer) +{ + size_t i; + + for (i = 0; i < count; ++i) { + if (buffer[i] == handle) + return EFI_SUCCESS; + } + return EFI_NOT_FOUND; +} + +/* + * Setup unit test. + * + * Create two handles and install two out of three protocol interfaces on each + * of them: + * + * handle1 + * guid1 interface1 + * guid3 interface3 + * handle2 + * guid1 interface4 + * guid2 interface2 + * + * @handle: handle of the loaded image + * @systable: system table + */ +static int setup(const efi_handle_t img_handle, + const struct efi_system_table *systable) +{ + efi_status_t ret; + efi_handle_t handle; + + boottime = systable->boottime; + + ret = boottime->install_protocol_interface(&handle1, &guid3, + EFI_NATIVE_INTERFACE, + &interface3); + if (ret != EFI_SUCCESS) { + efi_st_error("InstallProtocolInterface failed\n"); + return EFI_ST_FAILURE; + } + if (!handle1) { + efi_st_error("InstallProtocolInterface failed to create handle\n"); + return EFI_ST_FAILURE; + } + handle = handle1; + ret = boottime->install_protocol_interface(&handle1, &guid1, + EFI_NATIVE_INTERFACE, + &interface1); + if (ret != EFI_SUCCESS) { + efi_st_error("InstallProtocolInterface failed\n"); + return EFI_ST_FAILURE; + } + if (handle != handle1) { + efi_st_error("InstallProtocolInterface failed to use handle\n"); + return EFI_ST_FAILURE; + } + ret = boottime->install_multiple_protocol_interfaces(&handle2, + &guid1, &interface4, &guid2, &interface2, NULL); + if (ret != EFI_SUCCESS) { + efi_st_error("InstallMultipleProtocolInterfaces failed\n"); + return EFI_ST_FAILURE; + } + if (!handle2 || handle1 == handle2) { + efi_st_error("InstallMultipleProtocolInterfaces failed to create handle\n"); + return EFI_ST_FAILURE; + } + + return EFI_ST_SUCCESS; +} + +/* + * Tear down unit test. + * + */ +static int teardown(void) +{ + return EFI_ST_SUCCESS; +} + +/* + * Execute unit test. + * + */ +static int execute(void) +{ + struct interface *interface; + efi_status_t ret; + efi_handle_t *buffer; + size_t buffer_size; + efi_uintn_t count = 0; + efi_guid_t **prot_buffer; + efi_uintn_t prot_count; + + /* + * Test HandleProtocol + */ + ret = boottime->handle_protocol(handle1, &guid3, (void **)&interface); + if (ret != EFI_SUCCESS) { + efi_st_error("HandleProtocol failed to retrieve interface\n"); + return EFI_ST_FAILURE; + } + if (interface != &interface3) { + efi_st_error("HandleProtocol returned wrong interface\n"); + return EFI_ST_FAILURE; + } + ret = boottime->handle_protocol(handle1, &guid2, (void **)&interface); + if (ret == EFI_SUCCESS) { + efi_st_error("HandleProtocol returned not installed interface\n"); + return EFI_ST_FAILURE; + } + + /* + * Test LocateHandleBuffer with AllHandles + */ + ret = boottime->locate_handle_buffer(ALL_HANDLES, NULL, NULL, + &count, &buffer); + if (ret != EFI_SUCCESS) { + efi_st_error("LocateHandleBuffer with AllHandles failed\n"); + return EFI_ST_FAILURE; + } + buffer_size = count; + ret = find_in_buffer(handle1, count, buffer); + if (ret != EFI_SUCCESS) { + efi_st_error("LocateHandleBuffer failed to locate new handle\n"); + return EFI_ST_FAILURE; + } + ret = find_in_buffer(handle2, count, buffer); + if (ret != EFI_SUCCESS) { + efi_st_error("LocateHandleBuffer failed to locate new handle\n"); + return EFI_ST_FAILURE; + } + boottime->set_mem(buffer, sizeof(efi_handle_t) * buffer_size, 0); + + /* + * Test error handling in UninstallMultipleProtocols + * + * Try to uninstall more protocols than there are installed. + */ + ret = boottime->uninstall_multiple_protocol_interfaces( + handle2, + &guid1, &interface4, + &guid2, &interface2, + &guid3, &interface3, + NULL); + if (ret == EFI_SUCCESS) { + efi_st_todo("UninstallMultipleProtocolInterfaces did not catch error\n"); + return EFI_ST_FAILURE; + } + + /* + * Test LocateHandleBuffer with ByProtocol + */ + count = buffer_size; + ret = boottime->locate_handle_buffer(BY_PROTOCOL, &guid1, NULL, + &count, &buffer); + if (ret != EFI_SUCCESS) { + efi_st_error("LocateHandleBuffer failed to locate new handles\n"); + return EFI_ST_FAILURE; + } + if (count != 2) { + efi_st_error("LocateHandleBuffer failed to locate new handles\n"); + return EFI_ST_FAILURE; + } + ret = find_in_buffer(handle1, count, buffer); + if (ret != EFI_SUCCESS) { + efi_st_error("LocateHandleBuffer failed to locate new handle\n"); + return EFI_ST_FAILURE; + } + ret = find_in_buffer(handle2, count, buffer); + if (ret != EFI_SUCCESS) { + efi_st_error("LocateHandleBuffer failed to locate new handle\n"); + return EFI_ST_FAILURE; + } + boottime->set_mem(buffer, sizeof(efi_handle_t) * buffer_size, 0); + + /* + * Test LocateHandle with ByProtocol + */ + count = buffer_size * sizeof(efi_handle_t); + ret = boottime->locate_handle(BY_PROTOCOL, &guid1, NULL, + &count, buffer); + if (ret != EFI_SUCCESS) { + efi_st_error("LocateHandle with ByProtocol failed\n"); + return EFI_ST_FAILURE; + } + if (count / sizeof(efi_handle_t) != 2) { + efi_st_error("LocateHandle failed to locate new handles\n"); + return EFI_ST_FAILURE; + } + buffer_size = count; + ret = find_in_buffer(handle1, count, buffer); + if (ret != EFI_SUCCESS) { + efi_st_error("LocateHandle failed to locate new handles\n"); + return EFI_ST_FAILURE; + } + ret = find_in_buffer(handle2, count, buffer); + if (ret != EFI_SUCCESS) { + efi_st_error("LocateHandle failed to locate new handles\n"); + return EFI_ST_FAILURE; + } + boottime->set_mem(buffer, sizeof(efi_handle_t) * buffer_size, 0); + + /* + * Test LocateProtocol + */ + ret = boottime->locate_protocol(&guid1, NULL, (void **)&interface); + if (ret != EFI_SUCCESS) { + efi_st_error("LocateProtocol failed\n"); + return EFI_ST_FAILURE; + } + if (interface != &interface1 && interface != &interface4) { + efi_st_error("LocateProtocol failed to locate protocol\n"); + return EFI_ST_FAILURE; + } + + /* + * Test UninstallMultipleProtocols + */ + ret = boottime->uninstall_multiple_protocol_interfaces( + handle2, + &guid1, &interface4, + &guid2, &interface2, + NULL); + if (ret != EFI_SUCCESS) { + efi_st_todo("UninstallMultipleProtocolInterfaces failed\n"); + /* This test is known to fail due to missing implementation */ + } + /* + * Check that the protocols are really uninstalled. + */ + count = buffer_size; + ret = boottime->locate_handle_buffer(BY_PROTOCOL, &guid1, NULL, + &count, &buffer); + if (ret != EFI_SUCCESS) { + efi_st_error("LocateHandleBuffer failed\n"); + return EFI_ST_FAILURE; + } + if (count != 1) { + efi_st_todo("UninstallMultipleProtocolInterfaces failed to uninstall protocols\n"); + /* This test is known to fail due to missing implementation */ + } + ret = find_in_buffer(handle1, count, buffer); + if (ret != EFI_SUCCESS) { + efi_st_error("Failed to locate new handle\n"); + return EFI_ST_FAILURE; + } + boottime->set_mem(buffer, sizeof(efi_handle_t) * buffer_size, 0); + + /* + * Test ProtocolsPerHandle + */ + ret = boottime->protocols_per_handle(handle1, + &prot_buffer, &prot_count); + if (ret != EFI_SUCCESS) { + efi_st_error("Failed to get protocols per handle\n"); + return EFI_ST_FAILURE; + } + if (prot_count != 2) { + efi_st_error("Failed to get protocols per handle\n"); + return EFI_ST_FAILURE; + } + if (efi_st_memcmp(prot_buffer[0], &guid1, 16) && + efi_st_memcmp(prot_buffer[1], &guid1, 16)) { + efi_st_error("Failed to get protocols per handle\n"); + return EFI_ST_FAILURE; + } + if (efi_st_memcmp(prot_buffer[0], &guid3, 16) && + efi_st_memcmp(prot_buffer[1], &guid3, 16)) { + efi_st_error("Failed to get protocols per handle\n"); + return EFI_ST_FAILURE; + } + + /* + * Uninstall remaining protocols + */ + ret = boottime->uninstall_protocol_interface(handle1, &guid1, + &interface1); + if (ret != EFI_SUCCESS) { + efi_st_todo("UninstallProtocolInterface failed\n"); + /* This test is known to fail due to missing implementation */ + } + ret = boottime->handle_protocol(handle1, &guid1, (void **)&interface); + if (ret == EFI_SUCCESS) { + efi_st_todo("UninstallProtocolInterface failed\n"); + /* This test is known to fail due to missing implementation */ + } + ret = boottime->uninstall_protocol_interface(handle1, &guid3, + &interface1); + if (ret != EFI_SUCCESS) { + efi_st_todo("UninstallProtocolInterface failed\n"); + /* This test is known to fail due to missing implementation */ + } + + return EFI_ST_SUCCESS; +} + +EFI_UNIT_TEST(protserv) = { + .name = "manage protocols", + .phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT, + .setup = setup, + .execute = execute, + .teardown = teardown, +}; diff --git a/lib/efi_selftest/efi_selftest_snp.c b/lib/efi_selftest/efi_selftest_snp.c index bdd6ce20da..cc0705fb59 100644 --- a/lib/efi_selftest/efi_selftest_snp.c +++ b/lib/efi_selftest/efi_selftest_snp.c @@ -260,7 +260,7 @@ static int execute(void) { efi_status_t ret; struct efi_event *events[2]; - size_t index; + efi_uintn_t index; union { struct dhcp p; u8 b[PKTSIZE]; diff --git a/lib/efi_selftest/efi_selftest_textoutput.c b/lib/efi_selftest/efi_selftest_textoutput.c new file mode 100644 index 0000000000..6e8c90cc8b --- /dev/null +++ b/lib/efi_selftest/efi_selftest_textoutput.c @@ -0,0 +1,53 @@ +/* + * efi_selftest_textoutput + * + * Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + * + * Test the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL. + * + * The following services are tested: + * OutputString, TestString, SetAttribute. + */ + +#include <efi_selftest.h> + +/* + * Execute unit test. + * + * @return: EFI_ST_SUCCESS for success + */ +static int execute(void) +{ + size_t foreground; + size_t background; + size_t attrib; + efi_status_t ret; + + /* SetAttribute */ + efi_st_printf("\nColor palette\n"); + for (foreground = 0; foreground < 0x10; ++foreground) { + for (background = 0; background < 0x80; background += 0x10) { + attrib = foreground | background; + con_out->set_attribute(con_out, attrib); + efi_st_printf("%p", (void *)attrib); + } + con_out->set_attribute(con_out, 0); + efi_st_printf("\n"); + } + /* TestString */ + ret = con_out->test_string(con_out, + L" !\"#$%&'()*+,-./0-9:;<=>?@A-Z[\\]^_`a-z{|}~\n"); + if (ret != EFI_ST_SUCCESS) { + efi_st_error("TestString failed for ANSI characters\n"); + return EFI_ST_FAILURE; + } + return EFI_ST_SUCCESS; +} + +EFI_UNIT_TEST(textoutput) = { + .name = "text output", + .phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT, + .execute = execute, +}; diff --git a/lib/efi_selftest/efi_selftest_tpl.c b/lib/efi_selftest/efi_selftest_tpl.c index ddb67ed268..6ea0bb7177 100644 --- a/lib/efi_selftest/efi_selftest_tpl.c +++ b/lib/efi_selftest/efi_selftest_tpl.c @@ -111,9 +111,9 @@ static int teardown(void) */ static int execute(void) { - size_t index; + efi_uintn_t index; efi_status_t ret; - UINTN old_tpl; + efi_uintn_t old_tpl; /* Set 10 ms timer */ notification_count = 0; diff --git a/lib/efi_selftest/efi_selftest_util.c b/lib/efi_selftest/efi_selftest_util.c index 5cffe383d8..1b17bf4d4b 100644 --- a/lib/efi_selftest/efi_selftest_util.c +++ b/lib/efi_selftest/efi_selftest_util.c @@ -21,5 +21,14 @@ int efi_st_memcmp(const void *buf1, const void *buf2, size_t length) ++pos1; ++pos2; } - return EFI_ST_SUCCESS; + return 0; +} + +int efi_st_strcmp_16_8(const u16 *buf1, const char *buf2) +{ + for (; *buf1 || *buf2; ++buf1, ++buf2) { + if (*buf1 != *buf2) + return *buf1 - *buf2; + } + return 0; } diff --git a/lib/efi_selftest/efi_selftest_watchdog.c b/lib/efi_selftest/efi_selftest_watchdog.c new file mode 100644 index 0000000000..e4af38407f --- /dev/null +++ b/lib/efi_selftest/efi_selftest_watchdog.c @@ -0,0 +1,231 @@ +/* + * efi_selftest_watchdog + * + * Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + * + * The 'watchdog timer' unit test checks that the watchdog timer + * will not cause a system restart during the timeout period after + * a timer reset. + * + * The 'watchdog reboot' unit test checks that the watchdog timer + * actually reboots the system after a timeout. The test is only + * executed on explicit request. Use the following commands: + * + * setenv efi_selftest watchdog reboot + * bootefi selftest + */ + +#include <efi_selftest.h> + +/* + * This is the communication structure for the notification function. + */ +struct notify_context { + /* Status code returned when resetting watchdog */ + efi_status_t status; + /* Number of invocations of the notification function */ + unsigned int timer_ticks; +}; + +static struct efi_event *event_notify; +static struct efi_event *event_wait; +static struct efi_boot_services *boottime; +static struct notify_context notification_context; +static bool watchdog_reset; + +/* + * Notification function, increments the notfication count if parameter + * context is provided. + * + * @event notified event + * @context pointer to the timeout + */ +static void EFIAPI notify(struct efi_event *event, void *context) +{ + struct notify_context *notify_context = context; + efi_status_t ret = EFI_SUCCESS; + + if (!notify_context) + return; + + /* Reset watchdog timer to one second */ + ret = boottime->set_watchdog_timer(1, 0, 0, NULL); + if (ret != EFI_SUCCESS) + notify_context->status = ret; + /* Count number of calls */ + notify_context->timer_ticks++; +} + +/* + * Setup unit test. + * + * Create two timer events. + * One with EVT_NOTIFY_SIGNAL, the other with EVT_NOTIFY_WAIT. + * + * @handle: handle of the loaded image + * @systable: system table + * @return: EFI_ST_SUCCESS for success + */ +static int setup(const efi_handle_t handle, + const struct efi_system_table *systable) +{ + efi_status_t ret; + + boottime = systable->boottime; + + notification_context.status = EFI_SUCCESS; + notification_context.timer_ticks = 0; + ret = boottime->create_event(EVT_TIMER | EVT_NOTIFY_SIGNAL, + TPL_CALLBACK, notify, + (void *)¬ification_context, + &event_notify); + if (ret != EFI_SUCCESS) { + efi_st_error("could not create event\n"); + return EFI_ST_FAILURE; + } + ret = boottime->create_event(EVT_TIMER | EVT_NOTIFY_WAIT, + TPL_CALLBACK, notify, NULL, &event_wait); + if (ret != EFI_SUCCESS) { + efi_st_error("could not create event\n"); + return EFI_ST_FAILURE; + } + return EFI_ST_SUCCESS; +} + +/* + * Execute the test resetting the watchdog in a timely manner. No reboot occurs. + * + * @handle: handle of the loaded image + * @systable: system table + * @return: EFI_ST_SUCCESS for success + */ +static int setup_timer(const efi_handle_t handle, + const struct efi_system_table *systable) +{ + watchdog_reset = true; + return setup(handle, systable); +} + +/* + * Execute the test without resetting the watchdog. A system reboot occurs. + * + * @handle: handle of the loaded image + * @systable: system table + * @return: EFI_ST_SUCCESS for success + */ +static int setup_reboot(const efi_handle_t handle, + const struct efi_system_table *systable) +{ + watchdog_reset = false; + return setup(handle, systable); +} + +/* + * Tear down unit test. + * + * Close the events created in setup. + * + * @return: EFI_ST_SUCCESS for success + */ +static int teardown(void) +{ + efi_status_t ret; + + /* Set the watchdog timer to the five minute default value */ + ret = boottime->set_watchdog_timer(300, 0, 0, NULL); + if (ret != EFI_SUCCESS) { + efi_st_error("Setting watchdog timer failed\n"); + return EFI_ST_FAILURE; + } + if (event_notify) { + ret = boottime->close_event(event_notify); + event_notify = NULL; + if (ret != EFI_SUCCESS) { + efi_st_error("Could not close event\n"); + return EFI_ST_FAILURE; + } + } + if (event_wait) { + ret = boottime->close_event(event_wait); + event_wait = NULL; + if (ret != EFI_SUCCESS) { + efi_st_error("Could not close event\n"); + return EFI_ST_FAILURE; + } + } + return EFI_ST_SUCCESS; +} + +/* + * Execute unit test. + * + * Run a 600 ms periodic timer that resets the watchdog to one second + * on every timer tick. + * + * Run a 1350 ms single shot timer and check that the 600ms timer has + * been called 2 times. + * + * @return: EFI_ST_SUCCESS for success + */ +static int execute(void) +{ + size_t index; + efi_status_t ret; + + /* Set the watchdog timeout to one second */ + ret = boottime->set_watchdog_timer(1, 0, 0, NULL); + if (ret != EFI_SUCCESS) { + efi_st_error("Setting watchdog timer failed\n"); + return EFI_ST_FAILURE; + } + if (watchdog_reset) { + /* Set 600 ms timer */ + ret = boottime->set_timer(event_notify, EFI_TIMER_PERIODIC, + 6000000); + if (ret != EFI_SUCCESS) { + efi_st_error("Could not set timer\n"); + return EFI_ST_FAILURE; + } + } + /* Set 1350 ms timer */ + ret = boottime->set_timer(event_wait, EFI_TIMER_RELATIVE, 13500000); + if (ret != EFI_SUCCESS) { + efi_st_error("Could not set timer\n"); + return EFI_ST_FAILURE; + } + + ret = boottime->wait_for_event(1, &event_wait, &index); + if (ret != EFI_SUCCESS) { + efi_st_error("Could not wait for event\n"); + return EFI_ST_FAILURE; + } + if (notification_context.status != EFI_SUCCESS) { + efi_st_error("Setting watchdog timer failed\n"); + return EFI_ST_FAILURE; + } + if (notification_context.timer_ticks != 2) { + efi_st_error("The timer was called %u times, expected 2.\n", + notification_context.timer_ticks); + return EFI_ST_FAILURE; + } + return EFI_ST_SUCCESS; +} + +EFI_UNIT_TEST(watchdog1) = { + .name = "watchdog timer", + .phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT, + .setup = setup_timer, + .execute = execute, + .teardown = teardown, +}; + +EFI_UNIT_TEST(watchdog2) = { + .name = "watchdog reboot", + .phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT, + .setup = setup_reboot, + .execute = execute, + .teardown = teardown, + .on_request = true, +}; |