Initial commit

package/boot/grub2/Makefile

@@ -0,0 +1,179 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Copyright (C) 2006-2021 OpenWrt.org
+
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/kernel.mk
+
+PKG_NAME:=grub
+PKG_CPE_ID:=cpe:/a:gnu:grub2
+PKG_VERSION:=2.06
+PKG_RELEASE:=$(AUTORELEASE)
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
+PKG_SOURCE_URL:=@GNU/grub
+PKG_HASH:=b79ea44af91b93d17cd3fe80bdae6ed43770678a9a5ae192ccea803ebb657ee1
+
+HOST_BUILD_PARALLEL:=1
+PKG_BUILD_DEPENDS:=grub2/host
+
+ifneq ($(BUILD_VARIANT),none)
+  PKG_ASLR_PIE:=0
+  PKG_SSP:=0
+endif
+
+PKG_FLAGS:=nonshared
+
+include $(INCLUDE_DIR)/host-build.mk
+include $(INCLUDE_DIR)/package.mk
+
+define Package/grub2/Default
+  CATEGORY:=Boot Loaders
+  SECTION:=boot
+  TITLE:=GRand Unified Bootloader ($(1))
+  URL:=http://www.gnu.org/software/grub/
+  DEPENDS:=@TARGET_x86
+  VARIANT:=$(1)
+endef
+
+Package/grub2=$(call Package/grub2/Default,pc)
+Package/grub2-efi=$(call Package/grub2/Default,efi)
+
+define Package/grub2-editenv
+  CATEGORY:=Utilities
+  SECTION:=utils
+  SUBMENU:=Boot Loaders
+  TITLE:=Grub2 Environment editor
+  URL:=http://www.gnu.org/software/grub/
+  DEPENDS:=@TARGET_x86
+  VARIANT:=none
+endef
+
+define Package/grub2-editenv/description
+	Edit grub2 environment files.
+endef
+
+define Package/grub2-bios-setup
+  CATEGORY:=Utilities
+  SECTION:=utils
+  SUBMENU:=Boot Loaders
+  TITLE:=Grub2 BIOS boot setup tool
+  URL:=http://www.gnu.org/software/grub/
+  DEPENDS:=@TARGET_x86
+  VARIANT:=none
+endef
+
+define Package/grub2-bios-setup/description
+	Set up images to bootable.
+endef
+
+HOST_BUILD_PREFIX := $(STAGING_DIR_HOST)
+
+CONFIGURE_VARS += \
+	grub_build_mkfont_excuse="don't want fonts"
+
+CONFIGURE_ARGS += \
+	--target=$(REAL_GNU_TARGET_NAME) \
+	--disable-werror \
+	--disable-nls \
+	--disable-device-mapper \
+	--disable-libzfs \
+	--disable-liblzma \
+	--disable-grub-mkfont \
+	--with-platform=$(BUILD_VARIANT)
+
+HOST_CONFIGURE_VARS += \
+	grub_build_mkfont_excuse="don't want fonts"
+
+HOST_CONFIGURE_ARGS += \
+	--disable-grub-mkfont \
+	--target=$(REAL_GNU_TARGET_NAME) \
+	--sbindir="$(STAGING_DIR_HOST)/bin" \
+	--disable-werror \
+	--disable-libzfs \
+	--disable-nls \
+	--with-platform=none
+
+HOST_MAKE_FLAGS += \
+	TARGET_RANLIB=$(TARGET_RANLIB) \
+	LIBLZMA=$(STAGING_DIR_HOST)/lib/liblzma.a
+
+
+ifneq ($(BUILD_VARIANT),none)
+  TARGET_CFLAGS := $(filter-out -O2 -O3 -fno-plt,$(TARGET_CFLAGS))
+  MAKE_PATH := grub-core
+endif
+
+define Host/Configure
+	$(SED) 's,(RANLIB),(TARGET_RANLIB),' $(HOST_BUILD_DIR)/grub-core/Makefile.in
+	$(Host/Configure/Default)
+endef
+
+define Package/grub2/install
+	$(INSTALL_DIR) $(STAGING_DIR_IMAGE)/grub2
+	$(CP) $(PKG_BUILD_DIR)/grub-core/boot.img $(STAGING_DIR_IMAGE)/grub2/
+	$(CP) $(PKG_BUILD_DIR)/grub-core/cdboot.img $(STAGING_DIR_IMAGE)/grub2/
+	sed 's#msdos1#gpt1#g' ./files/grub-early.cfg >$(PKG_BUILD_DIR)/grub-early.cfg
+	$(STAGING_DIR_HOST)/bin/grub-mkimage \
+		-d $(PKG_BUILD_DIR)/grub-core \
+		-p /boot/grub \
+		-O i386-pc \
+		-c $(PKG_BUILD_DIR)/grub-early.cfg \
+		-o $(STAGING_DIR_IMAGE)/grub2/gpt-core.img \
+		at_keyboard biosdisk boot chain configfile fat linux ls part_gpt reboot serial vga
+	$(STAGING_DIR_HOST)/bin/grub-mkimage \
+		-d $(PKG_BUILD_DIR)/grub-core \
+		-p /boot/grub \
+		-O i386-pc \
+		-c ./files/grub-early.cfg \
+		-o $(STAGING_DIR_IMAGE)/grub2/generic-core.img \
+		at_keyboard biosdisk boot chain configfile ext2 linux ls part_msdos reboot serial vga
+	$(STAGING_DIR_HOST)/bin/grub-mkimage \
+		-d $(PKG_BUILD_DIR)/grub-core \
+		-p /boot/grub \
+		-O i386-pc \
+		-c ./files/grub-early.cfg \
+		-o $(STAGING_DIR_IMAGE)/grub2/eltorito.img \
+		at_keyboard biosdisk boot chain configfile iso9660 linux ls part_msdos reboot serial test vga
+	$(STAGING_DIR_HOST)/bin/grub-mkimage \
+		-d $(PKG_BUILD_DIR)/grub-core \
+		-p /boot/grub \
+		-O i386-pc \
+		-c ./files/grub-early.cfg \
+		-o $(STAGING_DIR_IMAGE)/grub2/legacy-core.img \
+		biosdisk boot chain configfile ext2 linux ls part_msdos reboot serial vga
+endef
+
+define Package/grub2-efi/install
+	sed 's#msdos1#gpt1#g' ./files/grub-early.cfg >$(PKG_BUILD_DIR)/grub-early.cfg
+	$(STAGING_DIR_HOST)/bin/grub-mkimage \
+		-d $(PKG_BUILD_DIR)/grub-core \
+		-p /boot/grub \
+		-O $(CONFIG_ARCH)-efi \
+		-c $(PKG_BUILD_DIR)/grub-early.cfg \
+		-o $(STAGING_DIR_IMAGE)/grub2/boot$(if $(CONFIG_x86_64),x64,ia32).efi \
+		at_keyboard boot chain configfile fat linux ls part_gpt reboot serial efi_gop efi_uga
+	$(STAGING_DIR_HOST)/bin/grub-mkimage \
+		-d $(PKG_BUILD_DIR)/grub-core \
+		-p /boot/grub \
+		-O $(CONFIG_ARCH)-efi \
+		-c ./files/grub-early.cfg \
+		-o $(STAGING_DIR_IMAGE)/grub2/iso-boot$(if $(CONFIG_x86_64),x64,ia32).efi \
+		at_keyboard boot chain configfile fat iso9660 linux ls part_msdos part_gpt reboot serial test efi_gop efi_uga
+endef
+
+define Package/grub2-editenv/install
+	$(INSTALL_DIR) $(1)/usr/sbin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/grub-editenv $(1)/usr/sbin/
+endef
+
+define Package/grub2-bios-setup/install
+	$(INSTALL_DIR) $(1)/usr/sbin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/grub-bios-setup $(1)/usr/sbin/
+endef
+
+$(eval $(call HostBuild))
+$(eval $(call BuildPackage,grub2))
+$(eval $(call BuildPackage,grub2-efi))
+$(eval $(call BuildPackage,grub2-editenv))
+$(eval $(call BuildPackage,grub2-bios-setup))

package/boot/grub2/files/grub-early.cfg

@@ -0,0 +1 @@
+configfile (hd0,msdos1)/boot/grub/grub.cfg

package/boot/grub2/patches/100-grub_setup_root.patch

@@ -0,0 +1,119 @@
+--- a/include/grub/util/install.h
++++ b/include/grub/util/install.h
+@@ -198,13 +198,13 @@ grub_install_get_image_target (const cha
+ void
+ grub_util_bios_setup (const char *dir,
+ 		      const char *boot_file, const char *core_file,
+-		      const char *dest, int force,
++		      const char *root, const char *dest, int force,
+ 		      int fs_probe, int allow_floppy,
+ 		      int add_rs_codes, int warn_short_mbr_gap);
+ void
+ grub_util_sparc_setup (const char *dir,
+ 		       const char *boot_file, const char *core_file,
+-		       const char *dest, int force,
++		       const char *root, const char *dest, int force,
+ 		       int fs_probe, int allow_floppy,
+ 		       int add_rs_codes, int warn_short_mbr_gap);
+ 
+--- a/util/grub-install.c
++++ b/util/grub-install.c
+@@ -1721,7 +1721,7 @@ main (int argc, char *argv[])
+ 	if (install_bootsector)
+ 	  {
+ 	    grub_util_bios_setup (platdir, "boot.img", "core.img",
+-				  install_drive, force,
++				  NULL, install_drive, force,
+ 				  fs_probe, allow_floppy, add_rs_codes,
+ 				  !grub_install_is_short_mbrgap_supported ());
+ 
+@@ -1752,7 +1752,7 @@ main (int argc, char *argv[])
+ 	if (install_bootsector)
+ 	  {
+ 	    grub_util_sparc_setup (platdir, "boot.img", "core.img",
+-				   install_drive, force,
++				   NULL, install_drive, force,
+ 				   fs_probe, allow_floppy,
+ 				   0 /* unused */, 0 /* unused */ );
+ 
+--- a/util/grub-setup.c
++++ b/util/grub-setup.c
+@@ -87,6 +87,8 @@ static struct argp_option options[] = {
+    N_("install even if problems are detected"), 0},
+   {"skip-fs-probe",'s',0,      0,
+    N_("do not probe for filesystems in DEVICE"), 0},
++  {"root-device", 'r', N_("DEVICE"), 0,
++   N_("use DEVICE as the root device"), 0},
+   {"verbose",     'v', 0,      0, N_("print verbose messages."), 0},
+   {"allow-floppy", 'a', 0,      0,
+    /* TRANSLATORS: The potential breakage isn't limited to floppies but it's
+@@ -130,6 +132,7 @@ struct arguments
+   char *core_file;
+   char *dir;
+   char *dev_map;
++  char *root_dev;
+   int  force;
+   int  fs_probe;
+   int allow_floppy;
+@@ -178,6 +181,13 @@ argp_parser (int key, char *arg, struct
+         arguments->dev_map = xstrdup (arg);
+         break;
+ 
++      case 'r':
++        if (arguments->root_dev)
++          free (arguments->root_dev);
++
++        arguments->root_dev = xstrdup (arg);
++        break;
++
+       case 'f':
+         arguments->force = 1;
+         break;
+@@ -313,7 +323,7 @@ main (int argc, char *argv[])
+   GRUB_SETUP_FUNC (arguments.dir ? : DEFAULT_DIRECTORY,
+ 		   arguments.boot_file ? : DEFAULT_BOOT_FILE,
+ 		   arguments.core_file ? : DEFAULT_CORE_FILE,
+-		   dest_dev, arguments.force,
++		   arguments.root_dev, dest_dev, arguments.force,
+ 		   arguments.fs_probe, arguments.allow_floppy,
+ 		   arguments.add_rs_codes, 0);
+ 
+--- a/util/setup.c
++++ b/util/setup.c
+@@ -252,14 +252,13 @@ identify_partmap (grub_disk_t disk __att
+ void
+ SETUP (const char *dir,
+        const char *boot_file, const char *core_file,
+-       const char *dest, int force,
++       const char *root, const char *dest, int force,
+        int fs_probe, int allow_floppy,
+        int add_rs_codes __attribute__ ((unused)), /* unused on sparc64 */
+        int warn_small)
+ {
+   char *core_path;
+   char *boot_img, *core_img, *boot_path;
+-  char *root = 0;
+   size_t boot_size, core_size;
+   grub_uint16_t core_sectors;
+   grub_device_t root_dev = 0, dest_dev, core_dev;
+@@ -311,7 +310,10 @@ SETUP (const char *dir,
+ 
+   core_dev = dest_dev;
+ 
+-  {
++  if (root)
++    root_dev = grub_device_open(root);
++
++  if (!root_dev) {
+     char **root_devices = grub_guess_root_devices (dir);
+     char **cur;
+     int found = 0;
+@@ -324,6 +326,8 @@ SETUP (const char *dir,
+ 	char *drive;
+ 	grub_device_t try_dev;
+ 
++	if (root_dev)
++	  break;
+ 	drive = grub_util_get_grub_dev (*cur);
+ 	if (!drive)
+ 	  continue;