diff options
-rw-r--r-- | src/config/defaults/efi.h | 2 | ||||
-rw-r--r-- | src/include/ipxe/efi/efi_time.h | 20 | ||||
-rw-r--r-- | src/include/ipxe/errfile.h | 1 | ||||
-rw-r--r-- | src/include/ipxe/time.h | 1 | ||||
-rw-r--r-- | src/interface/efi/efi_time.c | 75 |
5 files changed, 98 insertions, 1 deletions
diff --git a/src/config/defaults/efi.h b/src/config/defaults/efi.h index 7b7777d..cdf41c5 100644 --- a/src/config/defaults/efi.h +++ b/src/config/defaults/efi.h @@ -20,7 +20,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); #define SANBOOT_NULL #define BOFM_EFI #define ENTROPY_EFI -#define TIME_NULL +#define TIME_EFI #define REBOOT_EFI #define IMAGE_EFI /* EFI image support */ diff --git a/src/include/ipxe/efi/efi_time.h b/src/include/ipxe/efi/efi_time.h new file mode 100644 index 0000000..099994b --- /dev/null +++ b/src/include/ipxe/efi/efi_time.h @@ -0,0 +1,20 @@ +#ifndef _IPXE_EFI_TIME_H +#define _IPXE_EFI_TIME_H + +/** @file + * + * EFI time source + * + */ + +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); + +#include <stdint.h> + +#ifdef TIME_EFI +#define TIME_PREFIX_efi +#else +#define TIME_PREFIX_efi __efi_ +#endif + +#endif /* _IPXE_EFI_TIME_H */ diff --git a/src/include/ipxe/errfile.h b/src/include/ipxe/errfile.h index e43eec2..3b3efd2 100644 --- a/src/include/ipxe/errfile.h +++ b/src/include/ipxe/errfile.h @@ -320,6 +320,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); #define ERRFILE_efi_utils ( ERRFILE_OTHER | 0x00450000 ) #define ERRFILE_efi_wrap ( ERRFILE_OTHER | 0x00460000 ) #define ERRFILE_vmbus ( ERRFILE_OTHER | 0x00470000 ) +#define ERRFILE_efi_time ( ERRFILE_OTHER | 0x00480000 ) /** @} */ diff --git a/src/include/ipxe/time.h b/src/include/ipxe/time.h index 025280d..4c5bb2a 100644 --- a/src/include/ipxe/time.h +++ b/src/include/ipxe/time.h @@ -44,6 +44,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); /* Include all architecture-independent time API headers */ #include <ipxe/null_time.h> +#include <ipxe/efi/efi_time.h> #include <ipxe/linux/linux_time.h> /* Include all architecture-dependent time API headers */ diff --git a/src/interface/efi/efi_time.c b/src/interface/efi/efi_time.c new file mode 100644 index 0000000..983a0ef --- /dev/null +++ b/src/interface/efi/efi_time.c @@ -0,0 +1,75 @@ +/* + * Copyright (C) 2015 Michael Brown <mbrown@fensystems.co.uk>. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. + */ + +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); + +#include <string.h> +#include <errno.h> +#include <time.h> +#include <ipxe/time.h> +#include <ipxe/efi/efi.h> + +/** @file + * + * EFI time source + * + */ + +/** + * Get current time in seconds + * + * @ret time Time, in seconds + */ +static time_t efi_get_time ( void ) { + EFI_RUNTIME_SERVICES *rs = efi_systab->RuntimeServices; + EFI_TIME time; + struct tm tm; + EFI_STATUS efirc; + int rc; + + /* Get current time and date */ + if ( ( efirc = rs->GetTime ( &time, NULL ) ) != 0 ) { + rc = -EEFI ( efirc ); + DBGC ( rs, "EFITIME could not get system time: %s\n", + strerror ( rc ) ); + /* Nothing meaningful we can return */ + return 0; + } + + /* Construct broken-down time */ + memset ( &tm, 0, sizeof ( tm ) ); + tm.tm_sec = time.Second; + tm.tm_min = time.Minute; + tm.tm_hour = time.Hour; + tm.tm_mday = time.Day; + tm.tm_mon = ( time.Month - 1 ); + tm.tm_year = ( time.Year - 1900 ); + DBGC ( rs, "EFITIME is %04d-%02d-%02d %02d:%02d:%02d\n", + ( tm.tm_year + 1900 ), ( tm.tm_mon + 1 ), + tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec ); + + /* Convert to seconds since the Epoch */ + return mktime ( &tm ); +} + +PROVIDE_TIME ( efi, time_now, efi_get_time ); |