--- /dev/null
+/*
+ * Copyright (C) 2013 Marin Hannache <ipxe@mareo.fr>.
+ *
+ * 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 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.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+/**
+ * @file
+ *
+ * Advanced Power Management
+ *
+ */
+
+#include <errno.h>
+#include <realmode.h>
+#include <ipxe/reboot.h>
+
+/**
+ * Power off the computer using APM
+ *
+ * @ret rc Return status code
+ */
+static int apm_poweroff ( void ) {
+ uint16_t apm_version;
+ uint16_t apm_signature;
+ uint16_t apm_flags;
+ uint16_t carry;
+
+ /* APM check */
+ __asm__ __volatile__ ( REAL_CODE ( "int $0x15\n\t"
+ "adc %%edx,0\n\t" )
+ : "=a" ( apm_version ), "=b" ( apm_signature ),
+ "=c" ( apm_flags ), "=d" ( carry )
+ : "a" ( 0x5300 ), "b" ( 0x0000 ),
+ "d" ( 0x0000 ) );
+ if ( carry ) {
+ DBG ( "APM not present\n" );
+ return -ENOTSUP;
+ }
+ if ( apm_signature != 0x504d ) { /* signature 'PM' */
+ DBG ( "APM not present\n" );
+ return -ENOTSUP;
+ }
+ if ( apm_version < 0x0101 ) { /* Need version 1.1+ */
+ DBG ( "APM 1.1+ not supported\n" );
+ return -ENOTSUP;
+ }
+ if ( ( apm_flags & 0x8 ) == 0x8 ) {
+ DBG ( "APM power management disabled\n" );
+ return -EPERM;
+ }
+ DBG2 ( "APM check completed\n" );
+
+ /* APM initialisation */
+ __asm__ __volatile__ ( REAL_CODE ( "int $0x15\n\t"
+ "adc %%edx,0\n\t" )
+ : "=d" ( carry )
+ : "a" ( 0x5301 ), "b" ( 0x0000 ),
+ "d" ( 0x0000 ) );
+ if ( carry ) {
+ DBG ( "APM initialisation failed\n" );
+ return -EIO;
+ }
+ DBG2 ( "APM initialisation completed\n" );
+
+ /* Set APM driver version */
+ __asm__ __volatile__ ( REAL_CODE ( "int $0x15\n\t"
+ "adc %%edx,0\n\t" )
+ : "=d" ( carry )
+ : "a" ( 0x530e ), "b" ( 0x0000 ),
+ "c" ( 0x0101 ), "d" ( 0x0000 ) );
+ if ( carry ) {
+ DBG ( "APM setting driver version failed\n" );
+ return -EIO;
+ }
+ DBG2 ( "APM driver version set\n" );
+
+ /* Setting power state to off */
+ __asm__ __volatile__ ( REAL_CODE ( "int $0x15\n\t"
+ "adc %%edx,0\n\t" )
+ : "=d" ( carry )
+ : "a" ( 0x5307 ), "b" ( 0x0001 ),
+ "c" ( 0x0003 ), "d" ( 0x0000) );
+ if ( carry ) {
+ DBG ( "APM setting power state failed\n" );
+ return -ENOTTY;
+ }
+
+ /* Should never happen */
+ return -ECANCELED;
+}
+
+PROVIDE_REBOOT ( pcbios, poweroff, apm_poweroff );
#define ERRFILE_vmware ( ERRFILE_ARCH | ERRFILE_CORE | 0x00080000 )
#define ERRFILE_guestrpc ( ERRFILE_ARCH | ERRFILE_CORE | 0x00090000 )
#define ERRFILE_guestinfo ( ERRFILE_ARCH | ERRFILE_CORE | 0x000a0000 )
+#define ERRFILE_apm ( ERRFILE_ARCH | ERRFILE_CORE | 0x000b0000 )
#define ERRFILE_bootsector ( ERRFILE_ARCH | ERRFILE_IMAGE | 0x00000000 )
#define ERRFILE_bzimage ( ERRFILE_ARCH | ERRFILE_IMAGE | 0x00010000 )
#ifdef VLAN_CMD
REQUIRE_OBJECT ( vlan_cmd );
#endif
+#ifdef POWEROFF_CMD
+REQUIRE_OBJECT ( poweroff_cmd );
+#endif
#ifdef REBOOT_CMD
REQUIRE_OBJECT ( reboot_cmd );
#endif
//#define VLAN_CMD /* VLAN commands */
//#define PXE_CMD /* PXE commands */
//#define REBOOT_CMD /* Reboot command */
+//#define POWEROFF_CMD /* Power off command */
//#define IMAGE_TRUST_CMD /* Image trust management commands */
/*
*/
#include <stdio.h>
+#include <errno.h>
#include <ipxe/reboot.h>
/**
while ( 1 ) {}
}
+/**
+ * Power off system
+ *
+ * @ret rc Return status code
+ */
+static int null_poweroff ( void ) {
+
+ return -ENOTSUP;
+}
+
PROVIDE_REBOOT ( null, reboot, null_reboot );
+PROVIDE_REBOOT ( null, poweroff, null_poweroff );
--- /dev/null
+/*
+ * Copyright (C) 2013 Marin Hannache <ipxe@mareo.fr>.
+ *
+ * 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 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.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <getopt.h>
+#include <ipxe/command.h>
+#include <ipxe/parseopt.h>
+#include <ipxe/reboot.h>
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+/** @file
+ *
+ * Power off command
+ *
+ */
+
+/** "poweroff" options */
+struct poweroff_options {};
+
+/** "poweroff" option list */
+static struct option_descriptor poweroff_opts[] = {};
+
+/** "poweroff" command descriptor */
+static struct command_descriptor poweroff_cmd =
+ COMMAND_DESC ( struct poweroff_options, poweroff_opts, 0, 0, "" );
+
+/**
+ * The "poweroff" command
+ *
+ * @v argc Argument count
+ * @v argv Argument list
+ * @ret rc Return status code
+ */
+static int poweroff_exec ( int argc, char **argv ) {
+ struct poweroff_options opts;
+ int rc;
+
+ /* Parse options */
+ if ( ( rc = parse_options ( argc, argv, &poweroff_cmd, &opts ) ) != 0 )
+ return rc;
+
+ /* Power off system */
+ rc = poweroff();
+ if ( rc != 0 )
+ printf ( "Could not power off: %s\n", strerror ( rc ) );
+
+ return rc;
+}
+
+/** "poweroff" command */
+struct command poweroff_command __command = {
+ .name = "poweroff",
+ .exec = poweroff_exec,
+};
#define ERRFILE_test ( ERRFILE_CORE | 0x00170000 )
#define ERRFILE_xferbuf ( ERRFILE_CORE | 0x00180000 )
#define ERRFILE_pending ( ERRFILE_CORE | 0x00190000 )
+#define ERRFILE_null_reboot ( ERRFILE_CORE | 0x001a0000 )
#define ERRFILE_eisa ( ERRFILE_DRIVER | 0x00000000 )
#define ERRFILE_isa ( ERRFILE_DRIVER | 0x00010000 )
#define ERRFILE_efi_umalloc ( ERRFILE_OTHER | 0x003b0000 )
#define ERRFILE_linux_pci ( ERRFILE_OTHER | 0x003c0000 )
#define ERRFILE_pci_settings ( ERRFILE_OTHER | 0x003d0000 )
+#define ERRFILE_efi_reboot ( ERRFILE_OTHER | 0x003e0000 )
/** @} */
*/
void reboot ( int warm );
+/**
+ * Power off system
+ *
+ * @ret rc Return status code
+ *
+ * This function may fail, since not all systems support being powered
+ * off by software.
+ */
+int poweroff ( void );
+
#endif /* _IPXE_REBOOT_H */
*
*/
+#include <errno.h>
#include <ipxe/efi/efi.h>
#include <ipxe/reboot.h>
rs->ResetSystem ( ( warm ? EfiResetWarm : EfiResetCold ), 0, 0, NULL );
}
+/**
+ * Power off system
+ *
+ * @ret rc Return status code
+ */
+static int efi_poweroff ( void ) {
+ EFI_RUNTIME_SERVICES *rs = efi_systab->RuntimeServices;
+
+ /* Use runtime services to power off system */
+ rs->ResetSystem ( EfiResetShutdown, 0, 0, NULL );
+
+ /* Should never happen */
+ return -ECANCELED;
+}
+
PROVIDE_REBOOT ( efi, reboot, efi_reboot );
+PROVIDE_REBOOT ( efi, poweroff, efi_poweroff );
projects / thirdparty / ipxe.git / commitdiff
