efidrvprefix.c File Reference

#include <stdlib.h>
#include <ipxe/init.h>
#include <ipxe/device.h>
#include <ipxe/efi/efi.h>
#include <ipxe/efi/efi_driver.h>

Go to the source code of this file.

Functions
	FILE_LICENCE (GPL2_OR_LATER)
EFI_STATUS EFIAPI	_efidrv_start (EFI_HANDLE image_handle, EFI_SYSTEM_TABLE *systab)
	EFI entry point. More...
static int	efi_probe (struct root_device *rootdev __unused)
	Probe EFI root bus. More...
static void	efi_remove (struct root_device *rootdev __unused)
	Remove EFI root bus. More...

Variables
static struct root_driver	efi_root_driver
	EFI root device driver. More...
struct root_device efi_root_device	__root_device
	EFI root device. More...

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER

)

_efidrv_start()

EFI_STATUS EFIAPI _efidrv_start	(	EFI_HANDLE	image_handle,
		EFI_SYSTEM_TABLE *	systab
	)

EFI entry point.

Parameters

image_handle	Image handle
systab	System table

Return values

efirc

EFI return status code

Definition at line 35 of file efidrvprefix.c.

                                                             {
        static struct efi_saved_tpl tpl; /* avoid triggering stack protector */
        EFI_STATUS efirc;

        /* Initialise stack cookie */
        efi_init_stack_guard ( image_handle );

        /* Initialise EFI environment */
        if ( ( efirc = efi_init ( image_handle, systab ) ) != 0 )
                return efirc;

        /* Raise TPL */
        efi_raise_tpl ( &tpl );

        /* Initialise iPXE environment */
        initialise();
        startup();

        /* Restore TPL */
        efi_restore_tpl ( &tpl );

        return 0;
}

References efi_init(), efi_init_stack_guard(), efi_raise_tpl(), efi_restore_tpl(), initialise(), and startup().

efi_probe()

static int efi_probe ( struct root_device *rootdev  __unused )

static

Probe EFI root bus.

Parameters

rootdev

EFI root device

Definition at line 65 of file efidrvprefix.c.

                                                              {

        /* Do nothing */
        return 0;
}

efi_remove()

static void efi_remove ( struct root_device *rootdev  __unused )

static

Remove EFI root bus.

Parameters

rootdev

EFI root device

Definition at line 76 of file efidrvprefix.c.

                                                                {

        efi_driver_disconnect_all();
}

References efi_driver_disconnect_all().

Variable Documentation

efi_root_driver

struct root_driver efi_root_driver

static

Initial value:

= {
        .probe = efi_probe,
        .remove = efi_remove,
}

EFI root device driver.

Definition at line 82 of file efidrvprefix.c.

__root_device

struct root_device efi_root_device __root_device

Initial value:

= {
        .dev = { .name = "EFI" },
        .driver = &efi_root_driver,
}

EFI root device.

Definition at line 88 of file efidrvprefix.c.