efi_fdt.h File Reference

EFI Flattened Device Tree. More...

#include <ipxe/efi/efi.h>

Go to the source code of this file.

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
int	efi_fdt_install (const char *cmdline)
	Install EFI Flattened Device Tree table. More...
int	efi_fdt_uninstall (void)
	Uninstall EFI Flattened Device Tree table (when no FDT support is present) More...

Detailed Description

EFI Flattened Device Tree.

Definition in file efi_fdt.h.

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

efi_fdt_install()

int efi_fdt_install

(

const char *

cmdline

)

Install EFI Flattened Device Tree table.

Parameters

cmdline

Command line, or NULL

Return values

rc	Return status code

Definition at line 114 of file efi_fdt.c.

                                            {
        int rc;

        /* Create device tree */
        if ( ( rc = fdt_create ( &efi_fdt_installed, cmdline, 0, 0 ) ) != 0 ) {
                DBGC ( &efi_fdt, "EFI_FDT could not install: %s\n",
                       strerror ( rc ) );
                goto err_create;
        }

        /* Install table */
        if ( ( rc = efi_install_table ( &efi_fdt_table, efi_fdt_installed,
                                        &efi_fdt_backup ) ) != 0 ) {
                DBGC ( &efi_fdt, "EFIFDT could not install: %s\n",
                       strerror ( rc ) );
                goto err_install;
        }

        return 0;

        efi_uninstall_table ( &efi_fdt_table, &efi_fdt_backup );
 err_install:
        fdt_remove ( efi_fdt_installed );
 err_create:
        return rc;
}

References cmdline, DBGC, efi_fdt, efi_fdt_backup, efi_fdt_installed, efi_fdt_table, efi_install_table(), efi_uninstall_table(), fdt_create(), fdt_remove(), rc, and strerror().

efi_fdt_uninstall()

int efi_fdt_uninstall

(

void

)

Uninstall EFI Flattened Device Tree table (when no FDT support is present)

Return values

rc	Return status code

Uninstall EFI Flattened Device Tree table (when no FDT support is present)

Return values

rc	Return status code

Definition at line 142 of file efi_image.c.

                                      {
        return 0;
}

References DBGC, efi_fdt, efi_fdt_backup, efi_fdt_installed, efi_fdt_table, efi_uninstall_table(), fdt_remove(), rc, and strerror().

Referenced by efi_image_exec().