[efi] Move architecture-independent EFI prefixes to interface/efi

Signed-off-by: Michael Brown <mcb30@ipxe.org>

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,
+};