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authorMichael Brown2016-03-17 15:50:29 +0100
committerMichael Brown2016-03-17 15:51:14 +0100
commit04ef198d2fcf864b82a722ee737eac88fc48b1a4 (patch)
treee8ac0c788b20c32378ec41837b8cf3eb5255dcab /src/interface/efi
parent[test] Move i386-specific tests to arch/i386/tests (diff)
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[efi] Move architecture-independent EFI prefixes to interface/efi
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/interface/efi')
-rw-r--r--src/interface/efi/efidrvprefix.c81
-rw-r--r--src/interface/efi/efiprefix.c101
2 files changed, 182 insertions, 0 deletions
diff --git a/src/interface/efi/efidrvprefix.c b/src/interface/efi/efidrvprefix.c
new file mode 100644
index 00000000..4fbb19ff
--- /dev/null
+++ b/src/interface/efi/efidrvprefix.c
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2009 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 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 );
+
+#include <stdlib.h>
+#include <ipxe/init.h>
+#include <ipxe/device.h>
+#include <ipxe/efi/efi.h>
+#include <ipxe/efi/efi_driver.h>
+
+/**
+ * EFI entry point
+ *
+ * @v image_handle Image handle
+ * @v systab System table
+ * @ret efirc EFI return status code
+ */
+EFI_STATUS EFIAPI _efidrv_start ( EFI_HANDLE image_handle,
+ EFI_SYSTEM_TABLE *systab ) {
+ EFI_STATUS efirc;
+
+ /* Initialise EFI environment */
+ if ( ( efirc = efi_init ( image_handle, systab ) ) != 0 )
+ return efirc;
+
+ /* Initialise iPXE environment */
+ initialise();
+ startup();
+
+ return 0;
+}
+
+/**
+ * Probe EFI root bus
+ *
+ * @v rootdev EFI root device
+ */
+static int efi_probe ( struct root_device *rootdev __unused ) {
+
+ /* Do nothing */
+ return 0;
+}
+
+/**
+ * Remove EFI root bus
+ *
+ * @v rootdev EFI root device
+ */
+static void efi_remove ( struct root_device *rootdev __unused ) {
+
+ efi_driver_disconnect_all();
+}
+
+/** EFI root device driver */
+static struct root_driver efi_root_driver = {
+ .probe = efi_probe,
+ .remove = efi_remove,
+};
+
+/** EFI root device */
+struct root_device efi_root_device __root_device = {
+ .dev = { .name = "EFI" },
+ .driver = &efi_root_driver,
+};
diff --git a/src/interface/efi/efiprefix.c b/src/interface/efi/efiprefix.c
new file mode 100644
index 00000000..18b931e6
--- /dev/null
+++ b/src/interface/efi/efiprefix.c
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2009 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 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 );
+
+#include <stdlib.h>
+#include <errno.h>
+#include <ipxe/device.h>
+#include <ipxe/efi/efi.h>
+#include <ipxe/efi/efi_driver.h>
+#include <ipxe/efi/efi_snp.h>
+#include <ipxe/efi/efi_autoboot.h>
+#include <ipxe/efi/efi_watchdog.h>
+
+/**
+ * EFI entry point
+ *
+ * @v image_handle Image handle
+ * @v systab System table
+ * @ret efirc EFI return status code
+ */
+EFI_STATUS EFIAPI _efi_start ( EFI_HANDLE image_handle,
+ EFI_SYSTEM_TABLE *systab ) {
+ EFI_STATUS efirc;
+ int rc;
+
+ /* Initialise EFI environment */
+ if ( ( efirc = efi_init ( image_handle, systab ) ) != 0 )
+ goto err_init;
+
+ /* Record autoboot device (if any) */
+ efi_set_autoboot();
+
+ /* Claim SNP devices for use by iPXE */
+ efi_snp_claim();
+
+ /* Start watchdog holdoff timer */
+ efi_watchdog_start();
+
+ /* Call to main() */
+ if ( ( rc = main() ) != 0 ) {
+ efirc = EFIRC ( rc );
+ goto err_main;
+ }
+
+ err_main:
+ efi_watchdog_stop();
+ efi_snp_release();
+ efi_loaded_image->Unload ( image_handle );
+ efi_driver_reconnect_all();
+ err_init:
+ return efirc;
+}
+
+/**
+ * Probe EFI root bus
+ *
+ * @v rootdev EFI root device
+ */
+static int efi_probe ( struct root_device *rootdev __unused ) {
+
+ return efi_driver_connect_all();
+}
+
+/**
+ * Remove EFI root bus
+ *
+ * @v rootdev EFI root device
+ */
+static void efi_remove ( struct root_device *rootdev __unused ) {
+
+ efi_driver_disconnect_all();
+}
+
+/** EFI root device driver */
+static struct root_driver efi_root_driver = {
+ .probe = efi_probe,
+ .remove = efi_remove,
+};
+
+/** EFI root device */
+struct root_device efi_root_device __root_device = {
+ .dev = { .name = "EFI" },
+ .driver = &efi_root_driver,
+};