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[efi] Perform meaningful error code conversions

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Exploit the redefinition of iPXE error codes to include a "platform
error code" to allow for meaningful conversion of EFI_STATUS values to
iPXE errors and vice versa.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2013-04-18 21:29:53 +01:00
parent 7348035231
commit 54409583e2
20 changed files with 212 additions and 200 deletions
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10
src/interface/efi/efi_driver.c
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@@ -21,6 +21,8 @@ FILE_LICENCE ( GPL2_OR_LATER );
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <ipxe/efi/efi.h>
#include <ipxe/efi/Protocol/DriverBinding.h>
#include <ipxe/efi/Protocol/ComponentName2.h>
@@ -122,11 +124,12 @@ efi_driver_get_controller_name ( EFI_COMPONENT_NAME2_PROTOCOL *wtf __unused,
* @v efidrv EFI driver
* @ret efirc EFI status code
*/
EFI_STATUS efi_driver_install ( struct efi_driver *efidrv ) {
int efi_driver_install ( struct efi_driver *efidrv ) {
EFI_BOOT_SERVICES *bs = efi_systab->BootServices;
EFI_DRIVER_BINDING_PROTOCOL *driver = &efidrv->driver;
EFI_COMPONENT_NAME2_PROTOCOL *wtf = &efidrv->wtf;
EFI_STATUS efirc;
int rc;
/* Configure driver binding protocol */
driver->ImageHandle = efi_image_handle;
@@ -148,9 +151,10 @@ EFI_STATUS efi_driver_install ( struct efi_driver *efidrv ) {
&efi_driver_binding_protocol_guid, driver,
&efi_component_name2_protocol_guid, wtf,
NULL ) ) != 0 ) {
rc = -EEFI ( efirc );
DBGC ( efidrv, "EFIDRV %s could not install protocol: %s\n",
efidrv->name, efi_strerror ( efirc ) );
return efirc;
efidrv->name, strerror ( rc ) );
return rc;
}
DBGC ( efidrv, "EFIDRV %s installed\n", efidrv->name );