efi_wrap.h File Reference

EFI driver interface. More...

#include <ipxe/efi/efi.h>

Go to the source code of this file.

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
EFI_BOOT_SERVICES *	efi_wrap_bs (void)
	Build boot services table wrapper. More...
void	efi_wrap (EFI_HANDLE handle)
	Wrap the calls made by a loaded image. More...

Detailed Description

EFI driver interface.

Definition in file efi_wrap.h.

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

efi_wrap_bs()

EFI_BOOT_SERVICES* efi_wrap_bs

(

void

)

Build boot services table wrapper.

Return values

bs	Wrapped boot services table

Definition at line 1180 of file efi_wrap.c.

                                         {
        static EFI_BOOT_SERVICES efi_bs_wrapper;
        EFI_BOOT_SERVICES *bs = efi_systab->BootServices;

        /* Build boot services table wrapper */
        memcpy ( &efi_bs_wrapper, bs, sizeof ( efi_bs_wrapper ) );
        efi_bs_wrapper.RaiseTPL         = efi_raise_tpl_wrapper;
        efi_bs_wrapper.RestoreTPL       = efi_restore_tpl_wrapper;
        efi_bs_wrapper.AllocatePages    = efi_allocate_pages_wrapper;
        efi_bs_wrapper.FreePages        = efi_free_pages_wrapper;
        efi_bs_wrapper.GetMemoryMap     = efi_get_memory_map_wrapper;
        efi_bs_wrapper.AllocatePool     = efi_allocate_pool_wrapper;
        efi_bs_wrapper.FreePool         = efi_free_pool_wrapper;
        efi_bs_wrapper.CreateEvent      = efi_create_event_wrapper;
        efi_bs_wrapper.SetTimer         = efi_set_timer_wrapper;
        efi_bs_wrapper.WaitForEvent     = efi_wait_for_event_wrapper;
        efi_bs_wrapper.SignalEvent      = efi_signal_event_wrapper;
        efi_bs_wrapper.CloseEvent       = efi_close_event_wrapper;
        efi_bs_wrapper.CheckEvent       = efi_check_event_wrapper;
        efi_bs_wrapper.InstallProtocolInterface
                = efi_install_protocol_interface_wrapper;
        efi_bs_wrapper.ReinstallProtocolInterface
                = efi_reinstall_protocol_interface_wrapper;
        efi_bs_wrapper.UninstallProtocolInterface
                = efi_uninstall_protocol_interface_wrapper;
        efi_bs_wrapper.HandleProtocol   = efi_handle_protocol_wrapper;
        efi_bs_wrapper.RegisterProtocolNotify
                = efi_register_protocol_notify_wrapper;
        efi_bs_wrapper.LocateHandle     = efi_locate_handle_wrapper;
        efi_bs_wrapper.LocateDevicePath = efi_locate_device_path_wrapper;
        efi_bs_wrapper.InstallConfigurationTable
                = efi_install_configuration_table_wrapper;
        efi_bs_wrapper.LoadImage        = efi_load_image_wrapper;
        efi_bs_wrapper.StartImage       = efi_start_image_wrapper;
        efi_bs_wrapper.Exit             = efi_exit_wrapper;
        efi_bs_wrapper.UnloadImage      = efi_unload_image_wrapper;
        efi_bs_wrapper.ExitBootServices = efi_exit_boot_services_wrapper;
        efi_bs_wrapper.GetNextMonotonicCount
                = efi_get_next_monotonic_count_wrapper;
        efi_bs_wrapper.Stall            = efi_stall_wrapper;
        efi_bs_wrapper.SetWatchdogTimer = efi_set_watchdog_timer_wrapper;
        efi_bs_wrapper.ConnectController
                = efi_connect_controller_wrapper;
        efi_bs_wrapper.DisconnectController
                = efi_disconnect_controller_wrapper;
        efi_bs_wrapper.OpenProtocol     = efi_open_protocol_wrapper;
        efi_bs_wrapper.CloseProtocol    = efi_close_protocol_wrapper;
        efi_bs_wrapper.OpenProtocolInformation
                = efi_open_protocol_information_wrapper;
        efi_bs_wrapper.ProtocolsPerHandle
                = efi_protocols_per_handle_wrapper;
        efi_bs_wrapper.LocateHandleBuffer
                = efi_locate_handle_buffer_wrapper;
        efi_bs_wrapper.LocateProtocol   = efi_locate_protocol_wrapper;
        efi_bs_wrapper.InstallMultipleProtocolInterfaces
                = efi_install_multiple_protocol_interfaces_wrapper;
        efi_bs_wrapper.UninstallMultipleProtocolInterfaces
                = efi_uninstall_multiple_protocol_interfaces_wrapper;
        efi_bs_wrapper.CreateEventEx    = efi_create_event_ex_wrapper;

        return &efi_bs_wrapper;
}

References EFI_BOOT_SERVICES::AllocatePages, EFI_BOOT_SERVICES::AllocatePool, EFI_SYSTEM_TABLE::BootServices, EFI_BOOT_SERVICES::CheckEvent, EFI_BOOT_SERVICES::CloseEvent, EFI_BOOT_SERVICES::CloseProtocol, EFI_BOOT_SERVICES::ConnectController, EFI_BOOT_SERVICES::CreateEvent, EFI_BOOT_SERVICES::CreateEventEx, EFI_BOOT_SERVICES::DisconnectController, efi_allocate_pages_wrapper(), efi_allocate_pool_wrapper(), efi_check_event_wrapper(), efi_close_event_wrapper(), efi_close_protocol_wrapper(), efi_connect_controller_wrapper(), efi_create_event_ex_wrapper(), efi_create_event_wrapper(), efi_disconnect_controller_wrapper(), efi_exit_boot_services_wrapper(), efi_exit_wrapper(), efi_free_pages_wrapper(), efi_free_pool_wrapper(), efi_get_memory_map_wrapper(), efi_get_next_monotonic_count_wrapper(), efi_handle_protocol_wrapper(), efi_install_configuration_table_wrapper(), efi_install_multiple_protocol_interfaces_wrapper(), efi_install_protocol_interface_wrapper(), efi_load_image_wrapper(), efi_locate_device_path_wrapper(), efi_locate_handle_buffer_wrapper(), efi_locate_handle_wrapper(), efi_locate_protocol_wrapper(), efi_open_protocol_information_wrapper(), efi_open_protocol_wrapper(), efi_protocols_per_handle_wrapper(), efi_raise_tpl_wrapper(), efi_register_protocol_notify_wrapper(), efi_reinstall_protocol_interface_wrapper(), efi_restore_tpl_wrapper(), efi_set_timer_wrapper(), efi_set_watchdog_timer_wrapper(), efi_signal_event_wrapper(), efi_stall_wrapper(), efi_start_image_wrapper(), efi_systab, efi_uninstall_multiple_protocol_interfaces_wrapper(), efi_uninstall_protocol_interface_wrapper(), efi_unload_image_wrapper(), efi_wait_for_event_wrapper(), EFI_BOOT_SERVICES::Exit, EFI_BOOT_SERVICES::ExitBootServices, EFI_BOOT_SERVICES::FreePages, EFI_BOOT_SERVICES::FreePool, EFI_BOOT_SERVICES::GetMemoryMap, EFI_BOOT_SERVICES::GetNextMonotonicCount, EFI_BOOT_SERVICES::HandleProtocol, EFI_BOOT_SERVICES::InstallConfigurationTable, EFI_BOOT_SERVICES::InstallMultipleProtocolInterfaces, EFI_BOOT_SERVICES::InstallProtocolInterface, EFI_BOOT_SERVICES::LoadImage, EFI_BOOT_SERVICES::LocateDevicePath, EFI_BOOT_SERVICES::LocateHandle, EFI_BOOT_SERVICES::LocateHandleBuffer, EFI_BOOT_SERVICES::LocateProtocol, memcpy(), EFI_BOOT_SERVICES::OpenProtocol, EFI_BOOT_SERVICES::OpenProtocolInformation, EFI_BOOT_SERVICES::ProtocolsPerHandle, EFI_BOOT_SERVICES::RaiseTPL, EFI_BOOT_SERVICES::RegisterProtocolNotify, EFI_BOOT_SERVICES::ReinstallProtocolInterface, EFI_BOOT_SERVICES::RestoreTPL, EFI_BOOT_SERVICES::SetTimer, EFI_BOOT_SERVICES::SetWatchdogTimer, EFI_BOOT_SERVICES::SignalEvent, EFI_BOOT_SERVICES::Stall, EFI_BOOT_SERVICES::StartImage, EFI_BOOT_SERVICES::UninstallMultipleProtocolInterfaces, EFI_BOOT_SERVICES::UninstallProtocolInterface, EFI_BOOT_SERVICES::UnloadImage, and EFI_BOOT_SERVICES::WaitForEvent.

Referenced by efi_wrap().

efi_wrap()

void efi_wrap

(

EFI_HANDLE

handle

)

Wrap the calls made by a loaded image.

Parameters

handle

Image handle

Definition at line 1248 of file efi_wrap.c.

                                    {
        static EFI_SYSTEM_TABLE efi_systab_copy;

        /* Do nothing unless debugging is enabled */
        if ( ! DBG_LOG )
                return;

        /* Construct modified system table */
        if ( efi_systab != &efi_systab_copy ) {
                memcpy ( &efi_systab_copy, efi_systab,
                         sizeof ( efi_systab_copy ) );
                efi_systab->BootServices = efi_wrap_bs();
                efi_systab = &efi_systab_copy;
        }

        /* Dump image information */
        efi_dump_image ( handle );
}

References EFI_SYSTEM_TABLE::BootServices, DBG_LOG, efi_dump_image(), efi_systab, efi_wrap_bs(), handle, and memcpy().

Referenced by efi_image_exec().