We only support FDT files with EFI on arm and arm64 systems, not on x86. So move the helper that finds a prepopulated FDT UUID into its own file and only build it for architectures where it also gets called.
Signed-off-by: Alexander Graf <ag...@suse.de> --- grub-core/Makefile.core.def | 2 ++ grub-core/kern/efi/fdt.c | 50 +++++++++++++++++++++++++++++++++++++++++++++ grub-core/kern/efi/init.c | 22 -------------------- include/grub/efi/efi.h | 2 ++ 4 files changed, 54 insertions(+), 22 deletions(-) create mode 100644 grub-core/kern/efi/fdt.c diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def index 21ad0dd..2dfa22a 100644 --- a/grub-core/Makefile.core.def +++ b/grub-core/Makefile.core.def @@ -212,8 +212,10 @@ kernel = { arm_efi = kern/arm/efi/init.c; arm_efi = kern/arm/efi/misc.c; + arm_efi = kern/efi/fdt.c; arm64_efi = kern/arm64/efi/init.c; + arm64_efi = kern/efi/fdt.c; i386_pc = kern/i386/pc/init.c; i386_pc = kern/i386/pc/mmap.c; diff --git a/grub-core/kern/efi/fdt.c b/grub-core/kern/efi/fdt.c new file mode 100644 index 0000000..74a3669 --- /dev/null +++ b/grub-core/kern/efi/fdt.c @@ -0,0 +1,50 @@ +/* fdt.c - EFI Flattened Device Tree interaction */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2006,2007 Free Software Foundation, Inc. + * + * GRUB 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 3 of the License, or + * (at your option) any later version. + * + * GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/efi/efi.h> +#include <grub/efi/console.h> +#include <grub/efi/disk.h> +#include <grub/term.h> +#include <grub/misc.h> +#include <grub/env.h> +#include <grub/mm.h> +#include <grub/kernel.h> + +void * +grub_efi_get_firmware_fdt (void) +{ + grub_efi_configuration_table_t *tables; + grub_efi_guid_t fdt_guid = GRUB_EFI_DEVICE_TREE_GUID; + void *firmware_fdt = NULL; + unsigned int i; + + /* Look for FDT in UEFI config tables. */ + tables = grub_efi_system_table->configuration_table; + + for (i = 0; i < grub_efi_system_table->num_table_entries; i++) + if (grub_memcmp (&tables[i].vendor_guid, &fdt_guid, sizeof (fdt_guid)) == 0) + { + firmware_fdt = tables[i].vendor_table; + grub_dprintf ("linux", "found registered FDT @ %p\n", firmware_fdt); + break; + } + + return firmware_fdt; +} + diff --git a/grub-core/kern/efi/init.c b/grub-core/kern/efi/init.c index fb90ecd..e9c85de 100644 --- a/grub-core/kern/efi/init.c +++ b/grub-core/kern/efi/init.c @@ -72,28 +72,6 @@ grub_machine_get_bootlocation (char **device, char **path) } } -void * -grub_efi_get_firmware_fdt (void) -{ - grub_efi_configuration_table_t *tables; - grub_efi_guid_t fdt_guid = GRUB_EFI_DEVICE_TREE_GUID; - void *firmware_fdt = NULL; - unsigned int i; - - /* Look for FDT in UEFI config tables. */ - tables = grub_efi_system_table->configuration_table; - - for (i = 0; i < grub_efi_system_table->num_table_entries; i++) - if (grub_memcmp (&tables[i].vendor_guid, &fdt_guid, sizeof (fdt_guid)) == 0) - { - firmware_fdt = tables[i].vendor_table; - grub_dprintf ("linux", "found registered FDT @ %p\n", firmware_fdt); - break; - } - - return firmware_fdt; -} - void grub_efi_fini (void) { diff --git a/include/grub/efi/efi.h b/include/grub/efi/efi.h index 2acf85e..e9c601f 100644 --- a/include/grub/efi/efi.h +++ b/include/grub/efi/efi.h @@ -81,7 +81,9 @@ extern void (*EXPORT_VAR(grub_efi_net_config)) (grub_efi_handle_t hnd, char **device, char **path); +#if defined(__arm__) || defined(__aarch64__) void *EXPORT_FUNC(grub_efi_get_firmware_fdt)(void); +#endif grub_addr_t grub_efi_modules_addr (void); -- 1.8.5.6 _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel