diff options
author | Tom Gundersen <teg@jklm.no> | 2015-02-17 20:12:50 +0100 |
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committer | Tom Gundersen <teg@jklm.no> | 2015-02-18 15:23:23 +0100 |
commit | e7dd673d1e0acfe5420599588c559fd85a3a9e8f (patch) | |
tree | ecfef02be389745e295322e6a81df481869636c7 /src/sd-boot/linux.c | |
parent | 8d4efa540a88b19a475452d8ccc3c9824849fa86 (diff) |
gummiboot/sd-boot/systemd-boot: rename galore
What used to be gummiboot, was renamed sd-boot when it was merged into
systemd. Let's try to be a bit more consistent with the rest of systemd
and rename it again as follows:
The EFI bootloader is now called 'systemd-bootx64.efi', and its sources are in
'src/boot/efi/'. The drop-in directory where bootctl will find EFI loaders
is now /usr/lib/systemd/boot/efi/.
Diffstat (limited to 'src/sd-boot/linux.c')
-rw-r--r-- | src/sd-boot/linux.c | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/src/sd-boot/linux.c b/src/sd-boot/linux.c deleted file mode 100644 index 809c69310e..0000000000 --- a/src/sd-boot/linux.c +++ /dev/null @@ -1,130 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU Lesser General Public License as published by - * the Free Software Foundation; either version 2.1 of the License, or - * (at your option) 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 - * Lesser General Public License for more details. - * - * Copyright (C) 2015 Kay Sievers <kay@vrfy.org> - */ - -#include <efi.h> -#include <efilib.h> - -#include "util.h" -#include "linux.h" - -#define SETUP_MAGIC 0x53726448 /* "HdrS" */ -struct SetupHeader { - UINT8 boot_sector[0x01f1]; - UINT8 setup_secs; - UINT16 root_flags; - UINT32 sys_size; - UINT16 ram_size; - UINT16 video_mode; - UINT16 root_dev; - UINT16 signature; - UINT16 jump; - UINT32 header; - UINT16 version; - UINT16 su_switch; - UINT16 setup_seg; - UINT16 start_sys; - UINT16 kernel_ver; - UINT8 loader_id; - UINT8 load_flags; - UINT16 movesize; - UINT32 code32_start; - UINT32 ramdisk_start; - UINT32 ramdisk_len; - UINT32 bootsect_kludge; - UINT16 heap_end; - UINT8 ext_loader_ver; - UINT8 ext_loader_type; - UINT32 cmd_line_ptr; - UINT32 ramdisk_max; - UINT32 kernel_alignment; - UINT8 relocatable_kernel; - UINT8 min_alignment; - UINT16 xloadflags; - UINT32 cmdline_size; - UINT32 hardware_subarch; - UINT64 hardware_subarch_data; - UINT32 payload_offset; - UINT32 payload_length; - UINT64 setup_data; - UINT64 pref_address; - UINT32 init_size; - UINT32 handover_offset; -} __attribute__((packed)); - -#ifdef __x86_64__ -typedef VOID(*handover_f)(VOID *image, EFI_SYSTEM_TABLE *table, struct SetupHeader *setup); -static inline VOID linux_efi_handover(EFI_HANDLE image, struct SetupHeader *setup) { - handover_f handover; - - asm volatile ("cli"); - handover = (handover_f)((UINTN)setup->code32_start + 512 + setup->handover_offset); - handover(image, ST, setup); -} -#else -typedef VOID(*handover_f)(VOID *image, EFI_SYSTEM_TABLE *table, struct SetupHeader *setup) __attribute__((regparm(0))); -static inline VOID linux_efi_handover(EFI_HANDLE image, struct SetupHeader *setup) { - handover_f handover; - - handover = (handover_f)((UINTN)setup->code32_start + setup->handover_offset); - handover(image, ST, setup); -} -#endif - -EFI_STATUS linux_exec(EFI_HANDLE *image, - CHAR8 *cmdline, UINTN cmdline_len, - UINTN linux_addr, - UINTN initrd_addr, UINTN initrd_size) { - struct SetupHeader *image_setup; - struct SetupHeader *boot_setup; - EFI_PHYSICAL_ADDRESS addr; - EFI_STATUS err; - - image_setup = (struct SetupHeader *)(linux_addr); - if (image_setup->signature != 0xAA55 || image_setup->header != SETUP_MAGIC) - return EFI_LOAD_ERROR; - - if (image_setup->version < 0x20b || !image_setup->relocatable_kernel) - return EFI_LOAD_ERROR; - - addr = 0x3fffffff; - err = uefi_call_wrapper(BS->AllocatePages, 4, AllocateMaxAddress, EfiLoaderData, - EFI_SIZE_TO_PAGES(0x4000), &addr); - if (EFI_ERROR(err)) - return err; - boot_setup = (struct SetupHeader *)(UINTN)addr; - ZeroMem(boot_setup, 0x4000); - CopyMem(boot_setup, image_setup, sizeof(struct SetupHeader)); - boot_setup->loader_id = 0xff; - - boot_setup->code32_start = (UINT32)linux_addr + (image_setup->setup_secs+1) * 512; - - if (cmdline) { - addr = 0xA0000; - err = uefi_call_wrapper(BS->AllocatePages, 4, AllocateMaxAddress, EfiLoaderData, - EFI_SIZE_TO_PAGES(cmdline_len + 1), &addr); - if (EFI_ERROR(err)) - return err; - CopyMem((VOID *)(UINTN)addr, cmdline, cmdline_len); - ((CHAR8 *)addr)[cmdline_len] = 0; - boot_setup->cmd_line_ptr = (UINT32)addr; - } - - boot_setup->ramdisk_start = (UINT32)initrd_addr; - boot_setup->ramdisk_len = (UINT32)initrd_size; - - linux_efi_handover(image, boot_setup); - return EFI_LOAD_ERROR; -} |