diff options
Diffstat (limited to 'include/efi_loader.h')
| -rw-r--r-- | include/efi_loader.h | 185 |
1 files changed, 94 insertions, 91 deletions
diff --git a/include/efi_loader.h b/include/efi_loader.h index e6d41cfb35..a120d94431 100644 --- a/include/efi_loader.h +++ b/include/efi_loader.h @@ -15,6 +15,8 @@ #include <efi_api.h> #include <image.h> #include <pe.h> +#include <linux/list.h> +#include <linux/oid_registry.h> struct blk_desc; struct jmp_buf_data; @@ -29,11 +31,100 @@ static inline void *guidcpy(void *dst, const void *src) return memcpy(dst, src, sizeof(efi_guid_t)); } -/* No need for efi loader support in SPL */ #if CONFIG_IS_ENABLED(EFI_LOADER) -#include <linux/list.h> -#include <linux/oid_registry.h> +/** + * __efi_runtime_data - declares a non-const variable for EFI runtime section + * + * This macro indicates that a variable is non-const and should go into the + * EFI runtime section, and thus still be available when the OS is running. + * + * Only use on variables not declared const. + * + * Example: + * + * :: + * + * static __efi_runtime_data my_computed_table[256]; + */ +#define __efi_runtime_data __section(".data.efi_runtime") + +/** + * __efi_runtime_rodata - declares a read-only variable for EFI runtime section + * + * This macro indicates that a variable is read-only (const) and should go into + * the EFI runtime section, and thus still be available when the OS is running. + * + * Only use on variables also declared const. + * + * Example: + * + * :: + * + * static const __efi_runtime_rodata my_const_table[] = { 1, 2, 3 }; + */ +#define __efi_runtime_rodata __section(".rodata.efi_runtime") + +/** + * __efi_runtime - declares a function for EFI runtime section + * + * This macro indicates that a function should go into the EFI runtime section, + * and thus still be available when the OS is running. + * + * Example: + * + * :: + * + * static __efi_runtime compute_my_table(void); + */ +#define __efi_runtime __section(".text.efi_runtime") + +/* + * Call this with mmio_ptr as the _pointer_ to a pointer to an MMIO region + * to make it available at runtime + */ +efi_status_t efi_add_runtime_mmio(void *mmio_ptr, u64 len); + +/* + * Special case handler for error/abort that just tries to dtrt to get + * back to u-boot world + */ +void efi_restore_gd(void); +/* Call this to set the current device name */ +void efi_set_bootdev(const char *dev, const char *devnr, const char *path, + void *buffer, size_t buffer_size); +/* Called by networking code to memorize the dhcp ack package */ +void efi_net_set_dhcp_ack(void *pkt, int len); +/* Print information about all loaded images */ +void efi_print_image_infos(void *pc); + +/* Hook at initialization */ +efi_status_t efi_launch_capsules(void); + +#else /* CONFIG_IS_ENABLED(EFI_LOADER) */ + +/* Without CONFIG_EFI_LOADER we don't have a runtime section, stub it out */ +#define __efi_runtime_data +#define __efi_runtime_rodata +#define __efi_runtime +static inline efi_status_t efi_add_runtime_mmio(void *mmio_ptr, u64 len) +{ + return EFI_SUCCESS; +} + +/* No loader configured, stub out EFI_ENTRY */ +static inline void efi_restore_gd(void) { } +static inline void efi_set_bootdev(const char *dev, const char *devnr, + const char *path, void *buffer, + size_t buffer_size) { } +static inline void efi_net_set_dhcp_ack(void *pkt, int len) { } +static inline void efi_print_image_infos(void *pc) { } +static inline efi_status_t efi_launch_capsules(void) +{ + return EFI_SUCCESS; +} + +#endif /* CONFIG_IS_ENABLED(EFI_LOADER) */ /* Maximum number of configuration tables */ #define EFI_MAX_CONFIGURATION_TABLES 16 @@ -466,8 +557,6 @@ efi_status_t efi_smbios_register(void); struct efi_simple_file_system_protocol * efi_fs_from_path(struct efi_device_path *fp); -/* Called by networking code to memorize the dhcp ack package */ -void efi_net_set_dhcp_ack(void *pkt, int len); /* Called by efi_set_watchdog_timer to reset the timer */ efi_status_t efi_set_watchdog(unsigned long timeout); @@ -481,14 +570,8 @@ efi_status_t efi_load_pe(struct efi_loaded_image_obj *handle, struct efi_loaded_image *loaded_image_info); /* Called once to store the pristine gd pointer */ void efi_save_gd(void); -/* Special case handler for error/abort that just tries to dtrt to get - * back to u-boot world */ -void efi_restore_gd(void); /* Call this to relocate the runtime section to an address space */ void efi_runtime_relocate(ulong offset, struct efi_mem_desc *map); -/* Call this to set the current device name */ -void efi_set_bootdev(const char *dev, const char *devnr, const char *path, - void *buffer, size_t buffer_size); /* Add a new object to the object list. */ void efi_add_handle(efi_handle_t obj); /* Create handle */ @@ -620,8 +703,6 @@ efi_status_t efi_setup_loaded_image(struct efi_device_path *device_path, struct efi_device_path *file_path, struct efi_loaded_image_obj **handle_ptr, struct efi_loaded_image **info_ptr); -/* Print information about all loaded images */ -void efi_print_image_infos(void *pc); #ifdef CONFIG_EFI_LOADER_BOUNCE_BUFFER extern void *efi_bounce_buffer; @@ -683,62 +764,12 @@ ssize_t efi_dp_check_length(const struct efi_device_path *dp, (((_dp)->type == DEVICE_PATH_TYPE_##_type) && \ ((_dp)->sub_type == DEVICE_PATH_SUB_TYPE_##_subtype)) -/** - * __efi_runtime_data - declares a non-const variable for EFI runtime section - * - * This macro indicates that a variable is non-const and should go into the - * EFI runtime section, and thus still be available when the OS is running. - * - * Only use on variables not declared const. - * - * Example: - * - * :: - * - * static __efi_runtime_data my_computed_table[256]; - */ -#define __efi_runtime_data __section(".data.efi_runtime") - -/** - * __efi_runtime_rodata - declares a read-only variable for EFI runtime section - * - * This macro indicates that a variable is read-only (const) and should go into - * the EFI runtime section, and thus still be available when the OS is running. - * - * Only use on variables also declared const. - * - * Example: - * - * :: - * - * static const __efi_runtime_rodata my_const_table[] = { 1, 2, 3 }; - */ -#define __efi_runtime_rodata __section(".rodata.efi_runtime") - -/** - * __efi_runtime - declares a function for EFI runtime section - * - * This macro indicates that a function should go into the EFI runtime section, - * and thus still be available when the OS is running. - * - * Example: - * - * :: - * - * static __efi_runtime compute_my_table(void); - */ -#define __efi_runtime __section(".text.efi_runtime") - /* Indicate supported runtime services */ efi_status_t efi_init_runtime_supported(void); /* Update CRC32 in table header */ void __efi_runtime efi_update_table_header_crc32(struct efi_table_hdr *table); -/* Call this with mmio_ptr as the _pointer_ to a pointer to an MMIO region - * to make it available at runtime */ -efi_status_t efi_add_runtime_mmio(void *mmio_ptr, u64 len); - /* Boards may provide the functions below to implement RTS functionality */ void __efi_runtime EFIAPI efi_reset_system( @@ -927,34 +958,6 @@ efi_status_t efi_capsule_authenticate(const void *capsule, #define EFI_CAPSULE_DIR L"\\EFI\\UpdateCapsule\\" -/* Hook at initialization */ -efi_status_t efi_launch_capsules(void); - -#else /* CONFIG_IS_ENABLED(EFI_LOADER) */ - -/* Without CONFIG_EFI_LOADER we don't have a runtime section, stub it out */ -#define __efi_runtime_data -#define __efi_runtime_rodata -#define __efi_runtime -static inline efi_status_t efi_add_runtime_mmio(void *mmio_ptr, u64 len) -{ - return EFI_SUCCESS; -} - -/* No loader configured, stub out EFI_ENTRY */ -static inline void efi_restore_gd(void) { } -static inline void efi_set_bootdev(const char *dev, const char *devnr, - const char *path, void *buffer, - size_t buffer_size) { } -static inline void efi_net_set_dhcp_ack(void *pkt, int len) { } -static inline void efi_print_image_infos(void *pc) { } -static inline efi_status_t efi_launch_capsules(void) -{ - return EFI_SUCCESS; -} - -#endif /* CONFIG_IS_ENABLED(EFI_LOADER) */ - /** * Install the ESRT system table. * |