diff options
Diffstat (limited to 'sys-boot/grub/files/grub-2.06-linux-riscv.patch')
| -rw-r--r-- | sys-boot/grub/files/grub-2.06-linux-riscv.patch | 416 |
1 files changed, 416 insertions, 0 deletions
diff --git a/sys-boot/grub/files/grub-2.06-linux-riscv.patch b/sys-boot/grub/files/grub-2.06-linux-riscv.patch new file mode 100644 index 0000000..cbc37f8 --- /dev/null +++ b/sys-boot/grub/files/grub-2.06-linux-riscv.patch @@ -0,0 +1,416 @@ +Signed-off-by: Nikita Ermakov <arei@altlinux.org> +--- + grub-core/Makefile.core.def | 4 +- + grub-core/loader/{riscv => riscv32}/linux.c | 0 + grub-core/loader/riscv64/linux.c | 380 ++++++++++++++++++++ + 3 files changed, 382 insertions(+), 2 deletions(-) + rename grub-core/loader/{riscv => riscv32}/linux.c (100%) + create mode 100644 grub-core/loader/riscv64/linux.c + +diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def +index 8022e1c0a..655a45de7 100644 +--- a/grub-core/Makefile.core.def ++++ b/grub-core/Makefile.core.def +@@ -1809,8 +1809,8 @@ module = { + arm_efi = loader/arm64/linux.c; + arm_uboot = loader/arm/linux.c; + arm64 = loader/arm64/linux.c; +- riscv32 = loader/riscv/linux.c; +- riscv64 = loader/riscv/linux.c; ++ riscv32 = loader/riscv32/linux.c; ++ riscv64 = loader/riscv64/linux.c; + common = loader/linux.c; + common = lib/cmdline.c; + enable = noemu; +diff --git a/grub-core/loader/riscv/linux.c b/grub-core/loader/riscv32/linux.c +similarity index 100% +rename from grub-core/loader/riscv/linux.c +rename to grub-core/loader/riscv32/linux.c +diff --git a/grub-core/loader/riscv64/linux.c b/grub-core/loader/riscv64/linux.c +new file mode 100644 +index 000000000..630015495 +--- /dev/null ++++ b/grub-core/loader/riscv64/linux.c +@@ -0,0 +1,380 @@ ++/* ++ * GRUB -- GRand Unified Bootloader ++ * Copyright (C) 2018 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/charset.h> ++#include <grub/command.h> ++#include <grub/err.h> ++#include <grub/file.h> ++#include <grub/fdt.h> ++#include <grub/linux.h> ++#include <grub/loader.h> ++#include <grub/mm.h> ++#include <grub/types.h> ++#include <grub/cpu/linux.h> ++#include <grub/efi/efi.h> ++#include <grub/efi/fdtload.h> ++#include <grub/efi/memory.h> ++#include <grub/efi/pe32.h> ++#include <grub/i18n.h> ++#include <grub/lib/cmdline.h> ++#include <grub/verify.h> ++ ++GRUB_MOD_LICENSE ("GPLv3+"); ++ ++static grub_dl_t my_mod; ++static int loaded; ++ ++static void *kernel_addr; ++static grub_uint64_t kernel_size; ++ ++static char *linux_args; ++static grub_uint32_t cmdline_size; ++ ++static grub_addr_t initrd_start; ++static grub_addr_t initrd_end; ++ ++grub_err_t ++grub_arch_efi_linux_check_image (struct linux_arch_kernel_header * lh) ++{ ++ if (lh->magic != GRUB_LINUX_RISCV_MAGIC_SIGNATURE) ++ return grub_error(GRUB_ERR_BAD_OS, "invalid magic number"); ++ ++ if ((lh->code0 & 0xffff) != GRUB_PE32_MAGIC) ++ return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET, ++ N_("plain image kernel not supported - rebuild with CONFIG_(U)EFI_STUB enabled")); ++ ++ grub_dprintf ("linux", "UEFI stub kernel:\n"); ++ grub_dprintf ("linux", "PE/COFF header @ %08x\n", lh->hdr_offset); ++ ++ return GRUB_ERR_NONE; ++} ++ ++static grub_err_t ++finalize_params_linux (void) ++{ ++ int node, retval; ++ ++ void *fdt; ++ ++ fdt = grub_fdt_load (GRUB_EFI_LINUX_FDT_EXTRA_SPACE); ++ ++ if (!fdt) ++ goto failure; ++ ++ node = grub_fdt_find_subnode (fdt, 0, "chosen"); ++ if (node < 0) ++ node = grub_fdt_add_subnode (fdt, 0, "chosen"); ++ ++ if (node < 1) ++ goto failure; ++ ++ /* Set initrd info */ ++ if (initrd_start && initrd_end > initrd_start) ++ { ++ grub_dprintf ("linux", "Initrd @ %p-%p\n", ++ (void *) initrd_start, (void *) initrd_end); ++ ++ retval = grub_fdt_set_prop64 (fdt, node, "linux,initrd-start", ++ initrd_start); ++ if (retval) ++ goto failure; ++ retval = grub_fdt_set_prop64 (fdt, node, "linux,initrd-end", ++ initrd_end); ++ if (retval) ++ goto failure; ++ } ++ ++ if (grub_fdt_install() != GRUB_ERR_NONE) ++ goto failure; ++ ++ return GRUB_ERR_NONE; ++ ++failure: ++ grub_fdt_unload(); ++ return grub_error(GRUB_ERR_BAD_OS, "failed to install/update FDT"); ++} ++ ++grub_err_t ++grub_arch_efi_linux_boot_image (grub_addr_t addr, grub_size_t size, char *args) ++{ ++ grub_efi_loaded_image_t *loaded_image = NULL; ++ grub_efi_memory_mapped_device_path_t *mempath; ++ grub_efi_handle_t image_handle; ++ grub_efi_boot_services_t *b; ++ grub_efi_status_t status; ++ int len; ++ ++ mempath = grub_malloc (2 * sizeof (grub_efi_memory_mapped_device_path_t)); ++ if (!mempath) ++ return grub_errno; ++ ++ mempath[0].header.type = GRUB_EFI_HARDWARE_DEVICE_PATH_TYPE; ++ mempath[0].header.subtype = GRUB_EFI_MEMORY_MAPPED_DEVICE_PATH_SUBTYPE; ++ mempath[0].header.length = grub_cpu_to_le16_compile_time (sizeof (*mempath)); ++ mempath[0].memory_type = GRUB_EFI_LOADER_DATA; ++ mempath[0].start_address = addr; ++ mempath[0].end_address = addr + size; ++ ++ mempath[1].header.type = GRUB_EFI_END_DEVICE_PATH_TYPE; ++ mempath[1].header.subtype = GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE; ++ mempath[1].header.length = sizeof (grub_efi_device_path_t); ++ ++ b = grub_efi_system_table->boot_services; ++ status = b->load_image (0, grub_efi_image_handle, ++ (grub_efi_device_path_t *) mempath, ++ (void *) addr, size, &image_handle); ++ if (status != GRUB_EFI_SUCCESS) ++ return grub_error (GRUB_ERR_BAD_OS, "cannot load image"); ++ ++ grub_dprintf ("linux", "linux command line: '%s'\n", args); ++ ++ /* Convert command line to UCS-2 */ ++ loaded_image = grub_efi_get_loaded_image (image_handle); ++ if (!loaded_image) ++ return grub_error(GRUB_ERR_BAD_OS, "cannot get image"); ++ loaded_image->load_options_size = len = ++ (grub_strlen (args) + 1) * sizeof (grub_efi_char16_t); ++ loaded_image->load_options = ++ grub_efi_allocate_any_pages (GRUB_EFI_BYTES_TO_PAGES (loaded_image->load_options_size)); ++ if (!loaded_image->load_options) ++ return grub_errno; ++ ++ loaded_image->load_options_size = ++ 2 * grub_utf8_to_utf16 (loaded_image->load_options, len, ++ (grub_uint8_t *) args, len, NULL); ++ ++ grub_dprintf ("linux", "starting image %p\n", image_handle); ++ status = b->start_image (image_handle, 0, NULL); ++ ++ /* When successful, not reached */ ++ b->unload_image (image_handle); ++ grub_efi_free_pages ((grub_addr_t) loaded_image->load_options, ++ GRUB_EFI_BYTES_TO_PAGES (loaded_image->load_options_size)); ++ ++ return grub_errno; ++} ++ ++static grub_err_t ++grub_linux_boot (void) ++{ ++ if (finalize_params_linux () != GRUB_ERR_NONE) ++ return grub_errno; ++ ++ return (grub_arch_efi_linux_boot_image((grub_addr_t)kernel_addr, ++ kernel_size, linux_args)); ++} ++ ++static grub_err_t ++grub_linux_unload (void) ++{ ++ grub_dl_unref (my_mod); ++ loaded = 0; ++ if (initrd_start) ++ grub_efi_free_pages ((grub_efi_physical_address_t) initrd_start, ++ GRUB_EFI_BYTES_TO_PAGES (initrd_end - initrd_start)); ++ initrd_start = initrd_end = 0; ++ grub_free (linux_args); ++ if (kernel_addr) ++ grub_efi_free_pages ((grub_addr_t) kernel_addr, ++ GRUB_EFI_BYTES_TO_PAGES (kernel_size)); ++ grub_fdt_unload (); ++ return GRUB_ERR_NONE; ++} ++ ++/* According to the Linux arch/riscv/include/asm/efi.h */ ++#define INITRD_MAX_ADDRESS_OFFSET (256ULL << 20) ++ ++/* ++ * This function returns a pointer to a legally allocated initrd buffer, ++ * or NULL if unsuccessful ++ */ ++static void * ++allocate_initrd_mem (int initrd_pages) ++{ ++ grub_addr_t max_addr; ++ ++ if (grub_efi_get_ram_base (&max_addr) != GRUB_ERR_NONE) ++ return NULL; ++ ++ max_addr += INITRD_MAX_ADDRESS_OFFSET - 1; ++ ++ return grub_efi_allocate_pages_real (max_addr, initrd_pages, ++ GRUB_EFI_ALLOCATE_MAX_ADDRESS, ++ GRUB_EFI_LOADER_DATA); ++} ++ ++static grub_err_t ++grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)), ++ int argc, char *argv[]) ++{ ++ struct grub_linux_initrd_context initrd_ctx = { 0, 0, 0 }; ++ int initrd_size, initrd_pages; ++ void *initrd_mem = NULL; ++ ++ if (argc == 0) ++ { ++ grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected")); ++ goto fail; ++ } ++ ++ if (!loaded) ++ { ++ grub_error (GRUB_ERR_BAD_ARGUMENT, ++ N_("you need to load the kernel first")); ++ goto fail; ++ } ++ ++ if (grub_initrd_init (argc, argv, &initrd_ctx)) ++ goto fail; ++ ++ initrd_size = grub_get_initrd_size (&initrd_ctx); ++ grub_dprintf ("linux", "Loading initrd\n"); ++ ++ initrd_pages = (GRUB_EFI_BYTES_TO_PAGES (initrd_size)); ++ initrd_mem = allocate_initrd_mem (initrd_pages); ++ ++ if (!initrd_mem) ++ { ++ grub_error (GRUB_ERR_OUT_OF_MEMORY, N_("out of memory")); ++ goto fail; ++ } ++ ++ if (grub_initrd_load (&initrd_ctx, argv, initrd_mem)) ++ goto fail; ++ ++ initrd_start = (grub_addr_t) initrd_mem; ++ initrd_end = initrd_start + initrd_size; ++ grub_dprintf ("linux", "[addr=%p, size=0x%x]\n", ++ (void *) initrd_start, initrd_size); ++ ++fail: ++ grub_initrd_close (&initrd_ctx); ++ if (initrd_mem && !initrd_start) ++ grub_efi_free_pages ((grub_addr_t) initrd_mem, initrd_pages); ++ ++ return grub_errno; ++} ++ ++static grub_err_t ++grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)), ++ int argc, char *argv[]) ++{ ++ grub_file_t file = 0; ++ struct linux_arch_kernel_header lh; ++ grub_err_t err; ++ ++ grub_dl_ref (my_mod); ++ ++ if (argc == 0) ++ { ++ grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected")); ++ goto fail; ++ } ++ ++ file = grub_file_open (argv[0], GRUB_FILE_TYPE_LINUX_KERNEL); ++ if (!file) ++ goto fail; ++ ++ kernel_size = grub_file_size (file); ++ ++ if (grub_file_read (file, &lh, sizeof (lh)) < (long) sizeof (lh)) ++ return grub_errno; ++ ++ if (grub_arch_efi_linux_check_image (&lh) != GRUB_ERR_NONE) ++ goto fail; ++ ++ grub_loader_unset(); ++ ++ grub_dprintf ("linux", "kernel file size: %lld\n", (long long) kernel_size); ++ kernel_addr = grub_efi_allocate_any_pages (GRUB_EFI_BYTES_TO_PAGES (kernel_size)); ++ grub_dprintf ("linux", "kernel numpages: %lld\n", ++ (long long) GRUB_EFI_BYTES_TO_PAGES (kernel_size)); ++ if (!kernel_addr) ++ { ++ grub_error (GRUB_ERR_OUT_OF_MEMORY, N_("out of memory")); ++ goto fail; ++ } ++ ++ grub_file_seek (file, 0); ++ if (grub_file_read (file, kernel_addr, kernel_size) ++ < (grub_int64_t) kernel_size) ++ { ++ if (!grub_errno) ++ grub_error (GRUB_ERR_BAD_OS, N_("premature end of file %s"), argv[0]); ++ goto fail; ++ } ++ ++ grub_dprintf ("linux", "kernel @ %p\n", kernel_addr); ++ ++ cmdline_size = grub_loader_cmdline_size (argc, argv) + sizeof (LINUX_IMAGE); ++ linux_args = grub_malloc (cmdline_size); ++ if (!linux_args) ++ { ++ grub_error (GRUB_ERR_OUT_OF_MEMORY, N_("out of memory")); ++ goto fail; ++ } ++ grub_memcpy (linux_args, LINUX_IMAGE, sizeof (LINUX_IMAGE)); ++ err = grub_create_loader_cmdline (argc, argv, ++ linux_args + sizeof (LINUX_IMAGE) - 1, ++ cmdline_size, ++ GRUB_VERIFY_KERNEL_CMDLINE); ++ if (err) ++ goto fail; ++ ++ if (grub_errno == GRUB_ERR_NONE) ++ { ++ grub_loader_set (grub_linux_boot, grub_linux_unload, 0); ++ loaded = 1; ++ } ++ ++fail: ++ if (file) ++ grub_file_close (file); ++ ++ if (grub_errno != GRUB_ERR_NONE) ++ { ++ grub_dl_unref (my_mod); ++ loaded = 0; ++ } ++ ++ if (linux_args && !loaded) ++ grub_free (linux_args); ++ ++ if (kernel_addr && !loaded) ++ grub_efi_free_pages ((grub_addr_t) kernel_addr, ++ GRUB_EFI_BYTES_TO_PAGES (kernel_size)); ++ ++ return grub_errno; ++} ++ ++static grub_command_t cmd_linux, cmd_initrd; ++ ++GRUB_MOD_INIT (linux) ++{ ++ cmd_linux = grub_register_command ("linux", grub_cmd_linux, 0, ++ N_("Load Linux.")); ++ cmd_initrd = grub_register_command ("initrd", grub_cmd_initrd, 0, ++ N_("Load initrd.")); ++ my_mod = mod; ++} ++ ++GRUB_MOD_FINI (linux) ++{ ++ grub_unregister_command (cmd_linux); ++ grub_unregister_command (cmd_initrd); ++} +-- +2.25.4 |