Drop ELF remains from boot code
This stuff is not used, so let's drop it. Change-Id: I671a5e87855b4c59622cafacdefe466ab3d70143 Signed-off-by: Stefan Reinauer <reinauer@chromium.org> Signed-off-by: Gabe Black <gabeblack@chromium.org> Reviewed-on: http://review.coreboot.org/3660 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Stefan Reinauer
Stefan Reinauer
parent
93ce3b3a28
commit
e8b08ba47c
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@ -1,189 +1,27 @@
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/*
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* This file is part of the coreboot project.
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*
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* Copyright 2013 Google Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <console/console.h>
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#include <console/console.h>
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#include <ip_checksum.h>
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#include <boot/elf.h>
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#include <boot/elf_boot.h>
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#include <string.h>
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#include <cpu/x86/multiboot.h>
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#include <arch/stages.h>
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#include <arch/stages.h>
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#ifndef CMD_LINE
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#define CMD_LINE ""
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#endif
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#define UPSZ(X) ((sizeof(X) + 3) &~3)
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static struct {
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Elf_Bhdr hdr;
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Elf_Nhdr ft_hdr;
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unsigned char ft_desc[UPSZ(FIRMWARE_TYPE)];
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Elf_Nhdr bl_hdr;
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unsigned char bl_desc[UPSZ(BOOTLOADER)];
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Elf_Nhdr blv_hdr;
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unsigned char blv_desc[UPSZ(BOOTLOADER_VERSION)];
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Elf_Nhdr cmd_hdr;
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unsigned char cmd_desc[UPSZ(CMD_LINE)];
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} elf_boot_notes = {
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.hdr = {
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.b_signature = 0x0E1FB007,
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.b_size = sizeof(elf_boot_notes),
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.b_checksum = 0,
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.b_records = 4,
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},
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.ft_hdr = {
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.n_namesz = 0,
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.n_descsz = sizeof(FIRMWARE_TYPE),
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.n_type = EBN_FIRMWARE_TYPE,
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},
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.ft_desc = FIRMWARE_TYPE,
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.bl_hdr = {
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.n_namesz = 0,
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.n_descsz = sizeof(BOOTLOADER),
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.n_type = EBN_BOOTLOADER_NAME,
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},
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.bl_desc = BOOTLOADER,
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.blv_hdr = {
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.n_namesz = 0,
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.n_descsz = sizeof(BOOTLOADER_VERSION),
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.n_type = EBN_BOOTLOADER_VERSION,
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},
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.blv_desc = BOOTLOADER_VERSION,
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.cmd_hdr = {
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.n_namesz = 0,
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.n_descsz = sizeof(CMD_LINE),
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.n_type = EBN_COMMAND_LINE,
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},
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.cmd_desc = CMD_LINE,
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};
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int elf_check_arch(Elf_ehdr *ehdr)
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{
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return (
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((ehdr->e_machine == EM_386) || (ehdr->e_machine == EM_486)) &&
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(ehdr->e_ident[EI_CLASS] == ELFCLASS32) &&
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(ehdr->e_ident[EI_DATA] == ELFDATA2LSB)
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);
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}
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void jmp_to_elf_entry(void *entry, unsigned long buffer, unsigned long size)
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void jmp_to_elf_entry(void *entry, unsigned long buffer, unsigned long size)
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{
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{
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extern unsigned char _ram_seg, _eram_seg;
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printk(BIOS_SPEW, "entry = %p\n", entry);
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unsigned long lb_start, lb_size;
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unsigned long adjust, adjusted_boot_notes;
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elf_boot_notes.hdr.b_checksum =
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compute_ip_checksum(&elf_boot_notes, sizeof(elf_boot_notes));
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lb_start = (unsigned long)&_ram_seg;
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lb_size = (unsigned long)(&_eram_seg - &_ram_seg);
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adjust = buffer + size - lb_start;
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adjusted_boot_notes = (unsigned long)&elf_boot_notes;
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adjusted_boot_notes += adjust;
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printk(BIOS_SPEW, "entry = 0x%08lx\n", (unsigned long)entry);
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printk(BIOS_SPEW, "lb_start = 0x%08lx\n", lb_start);
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printk(BIOS_SPEW, "lb_size = 0x%08lx\n", lb_size);
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printk(BIOS_SPEW, "adjust = 0x%08lx\n", adjust);
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printk(BIOS_SPEW, "buffer = 0x%08lx\n", buffer);
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printk(BIOS_SPEW, " elf_boot_notes = 0x%08lx\n", (unsigned long)&elf_boot_notes);
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printk(BIOS_SPEW, "adjusted_boot_notes = 0x%08lx\n", adjusted_boot_notes);
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stage_exit(entry);
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stage_exit(entry);
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#if 0
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/* FIXME: do we need any of this? */
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/* Jump to kernel */
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__asm__ __volatile__(
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" cld \n\t"
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/* Save the callee save registers... */
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" pushl %%esi\n\t"
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" pushl %%edi\n\t"
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" pushl %%ebx\n\t"
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/* Save the parameters I was passed */
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" pushl $0\n\t" /* 20 adjust */
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" pushl %0\n\t" /* 16 lb_start */
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" pushl %1\n\t" /* 12 buffer */
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" pushl %2\n\t" /* 8 lb_size */
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" pushl %3\n\t" /* 4 entry */
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" pushl %4\n\t" /* 0 elf_boot_notes */
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/* Compute the adjustment */
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" xorl %%eax, %%eax\n\t"
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" subl 16(%%esp), %%eax\n\t"
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" addl 12(%%esp), %%eax\n\t"
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" addl 8(%%esp), %%eax\n\t"
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" movl %%eax, 20(%%esp)\n\t"
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/* Place a copy of coreboot in its new location */
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/* Move ``longs'' the coreboot size is 4 byte aligned */
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" movl 12(%%esp), %%edi\n\t"
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" addl 8(%%esp), %%edi\n\t"
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" movl 16(%%esp), %%esi\n\t"
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" movl 8(%%esp), %%ecx\n\n"
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" shrl $2, %%ecx\n\t"
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" rep movsl\n\t"
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/* Adjust the stack pointer to point into the new coreboot image */
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" addl 20(%%esp), %%esp\n\t"
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/* Adjust the instruction pointer to point into the new coreboot image */
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" movl $1f, %%eax\n\t"
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" addl 20(%%esp), %%eax\n\t"
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" jmp *%%eax\n\t"
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"1: \n\t"
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/* Copy the coreboot bounce buffer over coreboot */
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/* Move ``longs'' the coreboot size is 4 byte aligned */
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" movl 16(%%esp), %%edi\n\t"
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" movl 12(%%esp), %%esi\n\t"
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" movl 8(%%esp), %%ecx\n\t"
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" shrl $2, %%ecx\n\t"
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" rep movsl\n\t"
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/* Now jump to the loaded image */
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" movl %5, %%eax\n\t"
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" movl 0(%%esp), %%ebx\n\t"
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" call *4(%%esp)\n\t"
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/* The loaded image returned? */
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" cli \n\t"
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" cld \n\t"
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/* Copy the saved copy of coreboot where coreboot runs */
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/* Move ``longs'' the coreboot size is 4 byte aligned */
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" movl 16(%%esp), %%edi\n\t"
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" movl 12(%%esp), %%esi\n\t"
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" addl 8(%%esp), %%esi\n\t"
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" movl 8(%%esp), %%ecx\n\t"
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" shrl $2, %%ecx\n\t"
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" rep movsl\n\t"
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/* Adjust the stack pointer to point into the old coreboot image */
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" subl 20(%%esp), %%esp\n\t"
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/* Adjust the instruction pointer to point into the old coreboot image */
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" movl $1f, %%eax\n\t"
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" subl 20(%%esp), %%eax\n\t"
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" jmp *%%eax\n\t"
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"1: \n\t"
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/* Drop the parameters I was passed */
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" addl $24, %%esp\n\t"
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/* Restore the callee save registers */
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" popl %%ebx\n\t"
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" popl %%edi\n\t"
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" popl %%esi\n\t"
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::
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"ri" (lb_start), "ri" (buffer), "ri" (lb_size),
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"ri" (entry),
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#if CONFIG_MULTIBOOT
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"ri"(mbi), "ri" (MB_MAGIC2)
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#else
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"ri"(adjusted_boot_notes), "ri" (0x0E1FB007)
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#endif
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);
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#endif
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}
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}
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@ -24,5 +24,6 @@ extern void main(void);
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void stage_entry(void) __attribute__((section(".text.stage_entry.armv7")));
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void stage_entry(void) __attribute__((section(".text.stage_entry.armv7")));
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void stage_exit(void *);
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void stage_exit(void *);
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void jmp_to_elf_entry(void *entry, unsigned long buffer, unsigned long size);
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#endif
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#endif
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@ -1,7 +1,7 @@
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/*
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/*
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* This file is part of the coreboot project.
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* This file is part of the coreboot project.
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*
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*
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* Copyright (C) 2012 The ChromiumOS Authors. All rights reserved.
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* Copyright 2012 Google Inc.
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* it under the terms of the GNU General Public License as published by
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@ -15,7 +15,9 @@
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* You should have received a copy of the GNU General Public License
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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/*
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* This file contains entry/exit functions for each stage during coreboot
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* This file contains entry/exit functions for each stage during coreboot
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* execution (bootblock entry and ramstage exit will depend on external
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* execution (bootblock entry and ramstage exit will depend on external
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* loading.
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* loading.
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@ -1,81 +1,14 @@
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#include <console/console.h>
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#include <console/console.h>
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#include <arch/stages.h>
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#include <ip_checksum.h>
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#include <ip_checksum.h>
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#include <boot/elf.h>
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#include <boot/elf_boot.h>
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#include <string.h>
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#include <string.h>
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#include <cpu/x86/multiboot.h>
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#include <cpu/x86/multiboot.h>
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#ifndef CMD_LINE
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#define CMD_LINE ""
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#endif
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#define UPSZ(X) ((sizeof(X) + 3) &~3)
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static struct {
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Elf_Bhdr hdr;
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Elf_Nhdr ft_hdr;
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unsigned char ft_desc[UPSZ(FIRMWARE_TYPE)];
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Elf_Nhdr bl_hdr;
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unsigned char bl_desc[UPSZ(BOOTLOADER)];
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Elf_Nhdr blv_hdr;
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unsigned char blv_desc[UPSZ(BOOTLOADER_VERSION)];
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Elf_Nhdr cmd_hdr;
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unsigned char cmd_desc[UPSZ(CMD_LINE)];
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} elf_boot_notes = {
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.hdr = {
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.b_signature = 0x0E1FB007,
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.b_size = sizeof(elf_boot_notes),
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.b_checksum = 0,
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.b_records = 4,
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},
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.ft_hdr = {
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|
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.n_namesz = 0,
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.n_descsz = sizeof(FIRMWARE_TYPE),
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.n_type = EBN_FIRMWARE_TYPE,
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},
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.ft_desc = FIRMWARE_TYPE,
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.bl_hdr = {
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.n_namesz = 0,
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.n_descsz = sizeof(BOOTLOADER),
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.n_type = EBN_BOOTLOADER_NAME,
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},
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|
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.bl_desc = BOOTLOADER,
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|
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.blv_hdr = {
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|
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.n_namesz = 0,
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|
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.n_descsz = sizeof(BOOTLOADER_VERSION),
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|
||||||
.n_type = EBN_BOOTLOADER_VERSION,
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},
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|
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.blv_desc = BOOTLOADER_VERSION,
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.cmd_hdr = {
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.n_namesz = 0,
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.n_descsz = sizeof(CMD_LINE),
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||||||
.n_type = EBN_COMMAND_LINE,
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},
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.cmd_desc = CMD_LINE,
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|
||||||
};
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|
||||||
|
|
||||||
|
|
||||||
int elf_check_arch(Elf_ehdr *ehdr)
|
|
||||||
{
|
|
||||||
return (
|
|
||||||
((ehdr->e_machine == EM_386) || (ehdr->e_machine == EM_486)) &&
|
|
||||||
(ehdr->e_ident[EI_CLASS] == ELFCLASS32) &&
|
|
||||||
(ehdr->e_ident[EI_DATA] == ELFDATA2LSB)
|
|
||||||
);
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|
||||||
|
|
||||||
}
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|
||||||
|
|
||||||
#if CONFIG_RELOCATABLE_RAMSTAGE
|
#if CONFIG_RELOCATABLE_RAMSTAGE
|
||||||
/* When the ramstage is relocatable the elf loading ensures an elf image cannot
|
/* When the ramstage is relocatable the elf loading ensures an elf image cannot
|
||||||
* be loaded over the ramstage code. */
|
* be loaded over the ramstage code. */
|
||||||
void jmp_to_elf_entry(void *entry, unsigned long unused1, unsigned long unused2)
|
void jmp_to_elf_entry(void *entry, unsigned long unused1, unsigned long unused2)
|
||||||
{
|
{
|
||||||
elf_boot_notes.hdr.b_checksum =
|
|
||||||
compute_ip_checksum(&elf_boot_notes, sizeof(elf_boot_notes));
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|
||||||
|
|
||||||
/* Jump to kernel */
|
/* Jump to kernel */
|
||||||
__asm__ __volatile__(
|
__asm__ __volatile__(
|
||||||
" cld \n\t"
|
" cld \n\t"
|
||||||
|
|
@ -90,8 +23,6 @@ void jmp_to_elf_entry(void *entry, unsigned long unused1, unsigned long unused2)
|
||||||
"r" (entry),
|
"r" (entry),
|
||||||
#if CONFIG_MULTIBOOT
|
#if CONFIG_MULTIBOOT
|
||||||
"b"(mbi), "a" (MB_MAGIC2)
|
"b"(mbi), "a" (MB_MAGIC2)
|
||||||
#else
|
|
||||||
"b"(&elf_boot_notes), "a" (0x0E1FB007)
|
|
||||||
#endif
|
#endif
|
||||||
);
|
);
|
||||||
}
|
}
|
||||||
|
|
@ -100,25 +31,14 @@ void jmp_to_elf_entry(void *entry, unsigned long buffer, unsigned long size)
|
||||||
{
|
{
|
||||||
extern unsigned char _ram_seg, _eram_seg;
|
extern unsigned char _ram_seg, _eram_seg;
|
||||||
unsigned long lb_start, lb_size;
|
unsigned long lb_start, lb_size;
|
||||||
unsigned long adjust, adjusted_boot_notes;
|
|
||||||
|
|
||||||
elf_boot_notes.hdr.b_checksum =
|
|
||||||
compute_ip_checksum(&elf_boot_notes, sizeof(elf_boot_notes));
|
|
||||||
|
|
||||||
lb_start = (unsigned long)&_ram_seg;
|
lb_start = (unsigned long)&_ram_seg;
|
||||||
lb_size = (unsigned long)(&_eram_seg - &_ram_seg);
|
lb_size = (unsigned long)(&_eram_seg - &_ram_seg);
|
||||||
adjust = buffer + size - lb_start;
|
|
||||||
|
|
||||||
adjusted_boot_notes = (unsigned long)&elf_boot_notes;
|
|
||||||
adjusted_boot_notes += adjust;
|
|
||||||
|
|
||||||
printk(BIOS_SPEW, "entry = 0x%08lx\n", (unsigned long)entry);
|
printk(BIOS_SPEW, "entry = 0x%08lx\n", (unsigned long)entry);
|
||||||
printk(BIOS_SPEW, "lb_start = 0x%08lx\n", lb_start);
|
printk(BIOS_SPEW, "lb_start = 0x%08lx\n", lb_start);
|
||||||
printk(BIOS_SPEW, "lb_size = 0x%08lx\n", lb_size);
|
printk(BIOS_SPEW, "lb_size = 0x%08lx\n", lb_size);
|
||||||
printk(BIOS_SPEW, "adjust = 0x%08lx\n", adjust);
|
|
||||||
printk(BIOS_SPEW, "buffer = 0x%08lx\n", buffer);
|
printk(BIOS_SPEW, "buffer = 0x%08lx\n", buffer);
|
||||||
printk(BIOS_SPEW, " elf_boot_notes = 0x%08lx\n", (unsigned long)&elf_boot_notes);
|
|
||||||
printk(BIOS_SPEW, "adjusted_boot_notes = 0x%08lx\n", adjusted_boot_notes);
|
|
||||||
|
|
||||||
/* Jump to kernel */
|
/* Jump to kernel */
|
||||||
__asm__ __volatile__(
|
__asm__ __volatile__(
|
||||||
|
|
@ -206,7 +126,7 @@ void jmp_to_elf_entry(void *entry, unsigned long buffer, unsigned long size)
|
||||||
#if CONFIG_MULTIBOOT
|
#if CONFIG_MULTIBOOT
|
||||||
"ri"(mbi), "ri" (MB_MAGIC2)
|
"ri"(mbi), "ri" (MB_MAGIC2)
|
||||||
#else
|
#else
|
||||||
"ri"(adjusted_boot_notes), "ri" (0x0E1FB007)
|
"ri"(0), "ri" (0)
|
||||||
#endif
|
#endif
|
||||||
);
|
);
|
||||||
}
|
}
|
||||||
|
|
|
||||||
|
|
@ -23,4 +23,5 @@
|
||||||
#include <arch/cpu.h>
|
#include <arch/cpu.h>
|
||||||
|
|
||||||
void asmlinkage copy_and_run(void);
|
void asmlinkage copy_and_run(void);
|
||||||
|
void jmp_to_elf_entry(void *entry, unsigned long buffer, unsigned long size);
|
||||||
#endif
|
#endif
|
||||||
|
|
|
||||||
|
|
@ -1,403 +0,0 @@
|
||||||
#ifndef ELF_H
|
|
||||||
#define ELF_H
|
|
||||||
|
|
||||||
/* Standard ELF types. */
|
|
||||||
|
|
||||||
#include <stdint.h>
|
|
||||||
#include <stddef.h>
|
|
||||||
#include <arch/boot/boot.h>
|
|
||||||
|
|
||||||
/* Type for a 16-bit quantity. */
|
|
||||||
typedef uint16_t Elf32_Half;
|
|
||||||
typedef uint16_t Elf64_Half;
|
|
||||||
|
|
||||||
/* Types for signed and unsigned 32-bit quantities. */
|
|
||||||
typedef uint32_t Elf32_Word;
|
|
||||||
typedef int32_t Elf32_Sword;
|
|
||||||
typedef uint32_t Elf64_Word;
|
|
||||||
typedef int32_t Elf64_Sword;
|
|
||||||
|
|
||||||
/* Types for signed and unsigned 64-bit quantities. */
|
|
||||||
typedef uint64_t Elf32_Xword;
|
|
||||||
typedef int64_t Elf32_Sxword;
|
|
||||||
typedef uint64_t Elf64_Xword;
|
|
||||||
typedef int64_t Elf64_Sxword;
|
|
||||||
|
|
||||||
/* Type of addresses. */
|
|
||||||
typedef uint32_t Elf32_Addr;
|
|
||||||
typedef uint64_t Elf64_Addr;
|
|
||||||
|
|
||||||
/* Type of file offsets. */
|
|
||||||
typedef uint32_t Elf32_Off;
|
|
||||||
typedef uint64_t Elf64_Off;
|
|
||||||
|
|
||||||
/* Type for section indices, which are 16-bit quantities. */
|
|
||||||
typedef uint16_t Elf32_Section;
|
|
||||||
typedef uint16_t Elf64_Section;
|
|
||||||
|
|
||||||
/* Type of symbol indices. */
|
|
||||||
typedef uint32_t Elf32_Symndx;
|
|
||||||
typedef uint64_t Elf64_Symndx;
|
|
||||||
|
|
||||||
|
|
||||||
/* The ELF file header. This appears at the start of every ELF file. */
|
|
||||||
|
|
||||||
#define EI_NIDENT (16)
|
|
||||||
|
|
||||||
typedef struct
|
|
||||||
{
|
|
||||||
unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */
|
|
||||||
Elf32_Half e_type; /* Object file type */
|
|
||||||
Elf32_Half e_machine; /* Architecture */
|
|
||||||
Elf32_Word e_version; /* Object file version */
|
|
||||||
Elf32_Addr e_entry; /* Entry point virtual address */
|
|
||||||
Elf32_Off e_phoff; /* Program header table file offset */
|
|
||||||
Elf32_Off e_shoff; /* Section header table file offset */
|
|
||||||
Elf32_Word e_flags; /* Processor-specific flags */
|
|
||||||
Elf32_Half e_ehsize; /* ELF header size in bytes */
|
|
||||||
Elf32_Half e_phentsize; /* Program header table entry size */
|
|
||||||
Elf32_Half e_phnum; /* Program header table entry count */
|
|
||||||
Elf32_Half e_shentsize; /* Section header table entry size */
|
|
||||||
Elf32_Half e_shnum; /* Section header table entry count */
|
|
||||||
Elf32_Half e_shstrndx; /* Section header string table index */
|
|
||||||
} Elf32_Ehdr;
|
|
||||||
|
|
||||||
typedef struct
|
|
||||||
{
|
|
||||||
unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */
|
|
||||||
Elf64_Half e_type; /* Object file type */
|
|
||||||
Elf64_Half e_machine; /* Architecture */
|
|
||||||
Elf64_Word e_version; /* Object file version */
|
|
||||||
Elf64_Addr e_entry; /* Entry point virtual address */
|
|
||||||
Elf64_Off e_phoff; /* Program header table file offset */
|
|
||||||
Elf64_Off e_shoff; /* Section header table file offset */
|
|
||||||
Elf64_Word e_flags; /* Processor-specific flags */
|
|
||||||
Elf64_Half e_ehsize; /* ELF header size in bytes */
|
|
||||||
Elf64_Half e_phentsize; /* Program header table entry size */
|
|
||||||
Elf64_Half e_phnum; /* Program header table entry count */
|
|
||||||
Elf64_Half e_shentsize; /* Section header table entry size */
|
|
||||||
Elf64_Half e_shnum; /* Section header table entry count */
|
|
||||||
Elf64_Half e_shstrndx; /* Section header string table index */
|
|
||||||
} Elf64_Ehdr;
|
|
||||||
|
|
||||||
/* Fields in the e_ident array. The EI_* macros are indices into the
|
|
||||||
array. The macros under each EI_* macro are the values the byte
|
|
||||||
may have. */
|
|
||||||
|
|
||||||
#define EI_MAG0 0 /* File identification byte 0 index */
|
|
||||||
#define ELFMAG0 0x7f /* Magic number byte 0 */
|
|
||||||
|
|
||||||
#define EI_MAG1 1 /* File identification byte 1 index */
|
|
||||||
#define ELFMAG1 'E' /* Magic number byte 1 */
|
|
||||||
|
|
||||||
#define EI_MAG2 2 /* File identification byte 2 index */
|
|
||||||
#define ELFMAG2 'L' /* Magic number byte 2 */
|
|
||||||
|
|
||||||
#define EI_MAG3 3 /* File identification byte 3 index */
|
|
||||||
#define ELFMAG3 'F' /* Magic number byte 3 */
|
|
||||||
|
|
||||||
/* Conglomeration of the identification bytes, for easy testing as a word. */
|
|
||||||
#define ELFMAG "\177ELF"
|
|
||||||
#define SELFMAG 4
|
|
||||||
|
|
||||||
#define EI_CLASS 4 /* File class byte index */
|
|
||||||
#define ELFCLASSNONE 0 /* Invalid class */
|
|
||||||
#define ELFCLASS32 1 /* 32-bit objects */
|
|
||||||
#define ELFCLASS64 2 /* 64-bit objects */
|
|
||||||
#define ELFCLASSNUM 3
|
|
||||||
|
|
||||||
#define EI_DATA 5 /* Data encoding byte index */
|
|
||||||
#define ELFDATANONE 0 /* Invalid data encoding */
|
|
||||||
#define ELFDATA2LSB 1 /* 2's complement, little endian */
|
|
||||||
#define ELFDATA2MSB 2 /* 2's complement, big endian */
|
|
||||||
#define ELFDATANUM 3
|
|
||||||
|
|
||||||
#define EI_VERSION 6 /* File version byte index */
|
|
||||||
/* Value must be EV_CURRENT */
|
|
||||||
|
|
||||||
#define EI_OSABI 7 /* OS ABI identification */
|
|
||||||
#define ELFOSABI_SYSV 0 /* UNIX System V ABI */
|
|
||||||
#define ELFOSABI_HPUX 1 /* HP-UX */
|
|
||||||
#define ELFOSABI_ARM 97 /* ARM */
|
|
||||||
#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
|
|
||||||
|
|
||||||
#define EI_ABIVERSION 8 /* ABI version */
|
|
||||||
|
|
||||||
#define EI_PAD 9 /* Byte index of padding bytes */
|
|
||||||
|
|
||||||
/* Legal values for e_type (object file type). */
|
|
||||||
|
|
||||||
#define ET_NONE 0 /* No file type */
|
|
||||||
#define ET_REL 1 /* Relocatable file */
|
|
||||||
#define ET_EXEC 2 /* Executable file */
|
|
||||||
#define ET_DYN 3 /* Shared object file */
|
|
||||||
#define ET_CORE 4 /* Core file */
|
|
||||||
#define ET_NUM 5 /* Number of defined types */
|
|
||||||
#define ET_LOPROC 0xff00 /* Processor-specific */
|
|
||||||
#define ET_HIPROC 0xffff /* Processor-specific */
|
|
||||||
|
|
||||||
/* Legal values for e_machine (architecture). */
|
|
||||||
|
|
||||||
#define EM_NONE 0 /* No machine */
|
|
||||||
#define EM_M32 1 /* AT&T WE 32100 */
|
|
||||||
#define EM_SPARC 2 /* SUN SPARC */
|
|
||||||
#define EM_386 3 /* Intel 80386 */
|
|
||||||
#define EM_68K 4 /* Motorola m68k family */
|
|
||||||
#define EM_88K 5 /* Motorola m88k family */
|
|
||||||
#define EM_486 6 /* Intel 80486 */
|
|
||||||
#define EM_860 7 /* Intel 80860 */
|
|
||||||
#define EM_MIPS 8 /* MIPS R3000 big-endian */
|
|
||||||
#define EM_S370 9 /* Amdahl */
|
|
||||||
#define EM_MIPS_RS4_BE 10 /* MIPS R4000 big-endian */
|
|
||||||
#define EM_RS6000 11 /* RS6000 */
|
|
||||||
|
|
||||||
#define EM_PARISC 15 /* HPPA */
|
|
||||||
#define EM_nCUBE 16 /* nCUBE */
|
|
||||||
#define EM_VPP500 17 /* Fujitsu VPP500 */
|
|
||||||
#define EM_SPARC32PLUS 18 /* Sun's "v8plus" */
|
|
||||||
#define EM_960 19 /* Intel 80960 */
|
|
||||||
#define EM_PPC 20 /* PowerPC */
|
|
||||||
|
|
||||||
#define EM_V800 36 /* NEC V800 series */
|
|
||||||
#define EM_FR20 37 /* Fujitsu FR20 */
|
|
||||||
#define EM_RH32 38 /* TRW RH32 */
|
|
||||||
#define EM_MMA 39 /* Fujitsu MMA */
|
|
||||||
#define EM_ARM 40 /* ARM */
|
|
||||||
#define EM_FAKE_ALPHA 41 /* Digital Alpha */
|
|
||||||
#define EM_SH 42 /* Hitachi SH */
|
|
||||||
#define EM_SPARCV9 43 /* SPARC v9 64-bit */
|
|
||||||
#define EM_TRICORE 44 /* Siemens Tricore */
|
|
||||||
#define EM_ARC 45 /* Argonaut RISC Core */
|
|
||||||
#define EM_H8_300 46 /* Hitachi H8/300 */
|
|
||||||
#define EM_H8_300H 47 /* Hitachi H8/300H */
|
|
||||||
#define EM_H8S 48 /* Hitachi H8S */
|
|
||||||
#define EM_H8_500 49 /* Hitachi H8/500 */
|
|
||||||
#define EM_IA_64 50 /* Intel Merced */
|
|
||||||
#define EM_MIPS_X 51 /* Stanford MIPS-X */
|
|
||||||
#define EM_COLDFIRE 52 /* Motorola Coldfire */
|
|
||||||
#define EM_68HC12 53 /* Motorola M68HC12 */
|
|
||||||
#define EM_NUM 54
|
|
||||||
|
|
||||||
/* If it is necessary to assign new unofficial EM_* values, please
|
|
||||||
pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the
|
|
||||||
chances of collision with official or non-GNU unofficial values. */
|
|
||||||
|
|
||||||
#define EM_ALPHA 0x9026
|
|
||||||
|
|
||||||
/* Legal values for e_version (version). */
|
|
||||||
|
|
||||||
#define EV_NONE 0 /* Invalid ELF version */
|
|
||||||
#define EV_CURRENT 1 /* Current version */
|
|
||||||
#define EV_NUM 2
|
|
||||||
|
|
||||||
|
|
||||||
/* Program segment header. */
|
|
||||||
|
|
||||||
typedef struct
|
|
||||||
{
|
|
||||||
Elf32_Word p_type; /* Segment type */
|
|
||||||
Elf32_Off p_offset; /* Segment file offset */
|
|
||||||
Elf32_Addr p_vaddr; /* Segment virtual address */
|
|
||||||
Elf32_Addr p_paddr; /* Segment physical address */
|
|
||||||
Elf32_Word p_filesz; /* Segment size in file */
|
|
||||||
Elf32_Word p_memsz; /* Segment size in memory */
|
|
||||||
Elf32_Word p_flags; /* Segment flags */
|
|
||||||
Elf32_Word p_align; /* Segment alignment */
|
|
||||||
} Elf32_Phdr;
|
|
||||||
|
|
||||||
typedef struct
|
|
||||||
{
|
|
||||||
Elf64_Word p_type; /* Segment type */
|
|
||||||
Elf64_Word p_flags; /* Segment flags */
|
|
||||||
Elf64_Off p_offset; /* Segment file offset */
|
|
||||||
Elf64_Addr p_vaddr; /* Segment virtual address */
|
|
||||||
Elf64_Addr p_paddr; /* Segment physical address */
|
|
||||||
Elf64_Xword p_filesz; /* Segment size in file */
|
|
||||||
Elf64_Xword p_memsz; /* Segment size in memory */
|
|
||||||
Elf64_Xword p_align; /* Segment alignment */
|
|
||||||
} Elf64_Phdr;
|
|
||||||
|
|
||||||
/* Legal values for p_type (segment type). */
|
|
||||||
|
|
||||||
#define PT_NULL 0 /* Program header table entry unused */
|
|
||||||
#define PT_LOAD 1 /* Loadable program segment */
|
|
||||||
#define PT_DYNAMIC 2 /* Dynamic linking information */
|
|
||||||
#define PT_INTERP 3 /* Program interpreter */
|
|
||||||
#define PT_NOTE 4 /* Auxiliary information */
|
|
||||||
#define PT_SHLIB 5 /* Reserved */
|
|
||||||
#define PT_PHDR 6 /* Entry for header table itself */
|
|
||||||
#define PT_NUM 7 /* Number of defined types. */
|
|
||||||
#define PT_LOOS 0x60000000 /* Start of OS-specific */
|
|
||||||
#define PT_HIOS 0x6fffffff /* End of OS-specific */
|
|
||||||
#define PT_LOPROC 0x70000000 /* Start of processor-specific */
|
|
||||||
#define PT_HIPROC 0x7fffffff /* End of processor-specific */
|
|
||||||
|
|
||||||
/* Legal values for p_flags (segment flags). */
|
|
||||||
|
|
||||||
#define PF_X (1 << 0) /* Segment is executable */
|
|
||||||
#define PF_W (1 << 1) /* Segment is writable */
|
|
||||||
#define PF_R (1 << 2) /* Segment is readable */
|
|
||||||
#define PF_MASKPROC 0xf0000000 /* Processor-specific */
|
|
||||||
|
|
||||||
|
|
||||||
/* Note section contents. Each entry in the note section begins with
|
|
||||||
a header of a fixed form. */
|
|
||||||
|
|
||||||
typedef struct
|
|
||||||
{
|
|
||||||
Elf32_Word n_namesz; /* Length of the note's name. */
|
|
||||||
Elf32_Word n_descsz; /* Length of the note's descriptor. */
|
|
||||||
Elf32_Word n_type; /* Type of the note. */
|
|
||||||
} Elf32_Nhdr;
|
|
||||||
|
|
||||||
typedef struct
|
|
||||||
{
|
|
||||||
Elf64_Word n_namesz; /* Length of the note's name. */
|
|
||||||
Elf64_Word n_descsz; /* Length of the note's descriptor. */
|
|
||||||
Elf64_Word n_type; /* Type of the note. */
|
|
||||||
} Elf64_Nhdr;
|
|
||||||
|
|
||||||
/* Known names of notes. */
|
|
||||||
|
|
||||||
/* Solaris entries in the note section have this name. */
|
|
||||||
#define ELF_NOTE_SOLARIS "SUNW Solaris"
|
|
||||||
|
|
||||||
/* Note entries for GNU systems have this name. */
|
|
||||||
#define ELF_NOTE_GNU "GNU"
|
|
||||||
|
|
||||||
|
|
||||||
/* Defined types of notes for Solaris. */
|
|
||||||
|
|
||||||
/* Value of descriptor (one word) is desired pagesize for the binary. */
|
|
||||||
#define ELF_NOTE_PAGESIZE_HINT 1
|
|
||||||
|
|
||||||
|
|
||||||
/* Defined note types for GNU systems. */
|
|
||||||
|
|
||||||
/* ABI information. The descriptor consists of words:
|
|
||||||
word 0: OS descriptor
|
|
||||||
word 1: major version of the ABI
|
|
||||||
word 2: minor version of the ABI
|
|
||||||
word 3: subminor version of the ABI
|
|
||||||
*/
|
|
||||||
#define ELF_NOTE_ABI 1
|
|
||||||
|
|
||||||
/* Known OSes. These value can appear in word 0 of an ELF_NOTE_ABI
|
|
||||||
note section entry. */
|
|
||||||
#define ELF_NOTE_OS_LINUX 0
|
|
||||||
#define ELF_NOTE_OS_GNU 1
|
|
||||||
#define ELF_NOTE_OS_SOLARIS2 2
|
|
||||||
|
|
||||||
|
|
||||||
/* Motorola 68k specific definitions. */
|
|
||||||
|
|
||||||
/* Intel 80386 specific definitions. */
|
|
||||||
|
|
||||||
/* SUN SPARC specific definitions. */
|
|
||||||
|
|
||||||
/* Values for Elf64_Ehdr.e_flags. */
|
|
||||||
|
|
||||||
#define EF_SPARCV9_MM 3
|
|
||||||
#define EF_SPARCV9_TSO 0
|
|
||||||
#define EF_SPARCV9_PSO 1
|
|
||||||
#define EF_SPARCV9_RMO 2
|
|
||||||
#define EF_SPARC_EXT_MASK 0xFFFF00
|
|
||||||
#define EF_SPARC_SUN_US1 0x000200
|
|
||||||
#define EF_SPARC_HAL_R1 0x000400
|
|
||||||
|
|
||||||
/* MIPS R3000 specific definitions. */
|
|
||||||
|
|
||||||
/* Legal values for e_flags field of Elf32_Ehdr. */
|
|
||||||
|
|
||||||
#define EF_MIPS_NOREORDER 1 /* A .noreorder directive was used */
|
|
||||||
#define EF_MIPS_PIC 2 /* Contains PIC code */
|
|
||||||
#define EF_MIPS_CPIC 4 /* Uses PIC calling sequence */
|
|
||||||
#define EF_MIPS_XGOT 8
|
|
||||||
#define EF_MIPS_64BIT_WHIRL 16
|
|
||||||
#define EF_MIPS_ABI2 32
|
|
||||||
#define EF_MIPS_ABI_ON32 64
|
|
||||||
#define EF_MIPS_ARCH 0xf0000000 /* MIPS architecture level */
|
|
||||||
|
|
||||||
/* Legal values for MIPS architecture level. */
|
|
||||||
|
|
||||||
#define EF_MIPS_ARCH_1 0x00000000 /* -mips1 code. */
|
|
||||||
#define EF_MIPS_ARCH_2 0x10000000 /* -mips2 code. */
|
|
||||||
#define EF_MIPS_ARCH_3 0x20000000 /* -mips3 code. */
|
|
||||||
#define EF_MIPS_ARCH_4 0x30000000 /* -mips4 code. */
|
|
||||||
#define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code. */
|
|
||||||
|
|
||||||
/* Legal values for p_type field of Elf32_Phdr. */
|
|
||||||
|
|
||||||
#define PT_MIPS_REGINFO 0x70000000 /* Register usage information */
|
|
||||||
#define PT_MIPS_RTPROC 0x70000001 /* Runtime procedure table. */
|
|
||||||
#define PT_MIPS_OPTIONS 0x70000002
|
|
||||||
|
|
||||||
/* Special program header types. */
|
|
||||||
|
|
||||||
#define PF_MIPS_LOCAL 0x10000000
|
|
||||||
|
|
||||||
|
|
||||||
/* HPPA specific definitions. */
|
|
||||||
|
|
||||||
/* Legal values for e_flags field of Elf32_Ehdr. */
|
|
||||||
|
|
||||||
#define EF_PARISC_TRAPNL 1 /* Trap nil pointer dereference. */
|
|
||||||
#define EF_PARISC_EXT 2 /* Program uses arch. extensions. */
|
|
||||||
#define EF_PARISC_ARCH 0xffff0000 /* Architecture version. */
|
|
||||||
/* Defined values are:
|
|
||||||
0x020b PA-RISC 1.0 big-endian
|
|
||||||
0x0210 PA-RISC 1.1 big-endian
|
|
||||||
0x028b PA-RISC 1.0 little-endian
|
|
||||||
0x0290 PA-RISC 1.1 little-endian
|
|
||||||
*/
|
|
||||||
|
|
||||||
|
|
||||||
/* Alpha specific definitions. */
|
|
||||||
|
|
||||||
/* Legal values for e_flags field of Elf64_Ehdr. */
|
|
||||||
|
|
||||||
#define EF_ALPHA_32BIT 1 /* All addresses must be < 2GB. */
|
|
||||||
#define EF_ALPHA_CANRELAX 2 /* Relocations for relaxing exist. */
|
|
||||||
|
|
||||||
|
|
||||||
/* PowerPC specific declarations */
|
|
||||||
|
|
||||||
/* ARM specific declarations */
|
|
||||||
|
|
||||||
/* Processor specific flags for the ELF header e_flags field. */
|
|
||||||
#define EF_ARM_RELEXEC 0x01
|
|
||||||
#define EF_ARM_HASENTRY 0x02
|
|
||||||
#define EF_ARM_INTERWORK 0x04
|
|
||||||
#define EF_ARM_APCS_26 0x08
|
|
||||||
#define EF_ARM_APCS_FLOAT 0x10
|
|
||||||
#define EF_ARM_PIC 0x20
|
|
||||||
#define EF_ALIGN8 0x40 /* 8-bit structure alignment is in use */
|
|
||||||
#define EF_NEW_ABI 0x80
|
|
||||||
#define EF_OLD_ABI 0x100
|
|
||||||
|
|
||||||
/* ARM-specific program header flags */
|
|
||||||
#define PF_ARM_SB 0x10000000 /* Segment contains the location
|
|
||||||
addressed by the static base */
|
|
||||||
|
|
||||||
#if ELF_CLASS == ELFCLASS32
|
|
||||||
typedef Elf32_Ehdr Elf_ehdr;
|
|
||||||
typedef Elf32_Phdr Elf_phdr;
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#if ELF_CLASS == ELFCLASS64
|
|
||||||
typedef Elf64_Ehdr Elf_ehdr;
|
|
||||||
typedef Elf64_Phdr Elf_phdr;
|
|
||||||
#endif
|
|
||||||
|
|
||||||
int elf_check_arch(Elf_ehdr *ehdr);
|
|
||||||
void jmp_to_elf_entry(void *entry, unsigned long buffer, unsigned long bounce_size);
|
|
||||||
struct lb_memory;
|
|
||||||
int elfboot(struct lb_memory *mem);
|
|
||||||
/* Temporary compile fix, FILO should be dropped from coreboot */
|
|
||||||
int filo(struct lb_memory *mem);
|
|
||||||
|
|
||||||
#define FIRMWARE_TYPE "coreboot"
|
|
||||||
#define BOOTLOADER "elfboot"
|
|
||||||
#define BOOTLOADER_VERSION "1.3"
|
|
||||||
|
|
||||||
#endif /* elf.h */
|
|
||||||
|
|
@ -1,89 +0,0 @@
|
||||||
#ifndef ELF_BOOT_H
|
|
||||||
#define ELF_BOOT_H
|
|
||||||
|
|
||||||
#include <stdint.h>
|
|
||||||
|
|
||||||
/* This defines the structure of a table of parameters useful for ELF
|
|
||||||
* bootable images. These parameters are all passed and generated
|
|
||||||
* by the bootloader to the booted image. For simplicity and
|
|
||||||
* consistency the Elf Note format is reused.
|
|
||||||
*
|
|
||||||
* All of the information must be Position Independent Data.
|
|
||||||
* That is it must be safe to relocate the whole ELF boot parameter
|
|
||||||
* block without changing the meaning or correctnes of the data.
|
|
||||||
* Additionally it must be safe to permute the order of the ELF notes
|
|
||||||
* to any possible permutation without changing the meaning or correctness
|
|
||||||
* of the data.
|
|
||||||
*
|
|
||||||
*/
|
|
||||||
|
|
||||||
#define ELF_HEAD_SIZE (8*1024)
|
|
||||||
#define ELF_BOOT_MAGIC 0x0E1FB007
|
|
||||||
|
|
||||||
typedef uint16_t Elf_Half;
|
|
||||||
typedef uint32_t Elf_Word;
|
|
||||||
typedef uint64_t Elf_Xword;
|
|
||||||
|
|
||||||
typedef struct
|
|
||||||
{
|
|
||||||
Elf_Word b_signature; /* "0x0E1FB007" */
|
|
||||||
Elf_Word b_size;
|
|
||||||
Elf_Half b_checksum;
|
|
||||||
Elf_Half b_records;
|
|
||||||
} Elf_Bhdr;
|
|
||||||
|
|
||||||
typedef struct
|
|
||||||
{
|
|
||||||
Elf_Word n_namesz; /* Length of the note's name. */
|
|
||||||
Elf_Word n_descsz; /* Length of the note's descriptor. */
|
|
||||||
Elf_Word n_type; /* Type of the note. */
|
|
||||||
} Elf_Nhdr;
|
|
||||||
|
|
||||||
|
|
||||||
/* For standard notes n_namesz must be zero */
|
|
||||||
/* All of the following standard note types provide a single null
|
|
||||||
* terminated string in the descriptor.
|
|
||||||
*/
|
|
||||||
#define EBN_FIRMWARE_TYPE 0x00000001
|
|
||||||
/* On platforms that support multiple classes of firmware this field
|
|
||||||
* specifies the class of firmware you are loaded under.
|
|
||||||
*/
|
|
||||||
#define EBN_BOOTLOADER_NAME 0x00000002
|
|
||||||
/* This specifies just the name of the bootloader for easy comparison */
|
|
||||||
#define EBN_BOOTLOADER_VERSION 0x00000003
|
|
||||||
/* This specifies the version of the bootlader */
|
|
||||||
#define EBN_COMMAND_LINE 0x00000004
|
|
||||||
/* This specifies a command line that can be set by user interaction,
|
|
||||||
* and is provided as a free form string to the loaded image.
|
|
||||||
*/
|
|
||||||
|
|
||||||
|
|
||||||
/* Standardized Elf image notes for booting... The name for all of these is ELFBoot */
|
|
||||||
|
|
||||||
#define ELF_NOTE_BOOT "ELFBoot"
|
|
||||||
|
|
||||||
#define EIN_PROGRAM_NAME 0x00000001
|
|
||||||
/* The program in this ELF file */
|
|
||||||
#define EIN_PROGRAM_VERSION 0x00000002
|
|
||||||
/* The version of the program in this ELF file */
|
|
||||||
#define EIN_PROGRAM_CHECKSUM 0x00000003
|
|
||||||
/* ip style checksum of the memory image. */
|
|
||||||
|
|
||||||
|
|
||||||
/* Linux image notes for booting... The name for all of these is Linux */
|
|
||||||
|
|
||||||
#define LINUX_NOTE_BOOT "Linux"
|
|
||||||
|
|
||||||
#define LIN_COMMAND_LINE 0x00000001
|
|
||||||
/* The command line to pass to the loaded kernel. */
|
|
||||||
#define LIN_ROOT_DEV 0x00000002
|
|
||||||
/* The root dev to pass to the loaded kernel. */
|
|
||||||
#define LIN_RAMDISK_FLAGS 0x00000003
|
|
||||||
/* Various old ramdisk flags */
|
|
||||||
#define LIN_INITRD_START 0x00000004
|
|
||||||
/* Start of the ramdisk in bytes */
|
|
||||||
#define LIN_INITRD_SIZE 0x00000005
|
|
||||||
/* Size of the ramdisk in bytes */
|
|
||||||
|
|
||||||
|
|
||||||
#endif /* ELF_BOOT_H */
|
|
||||||
|
|
@ -31,7 +31,6 @@
|
||||||
#include <stdlib.h>
|
#include <stdlib.h>
|
||||||
#include <reset.h>
|
#include <reset.h>
|
||||||
#include <boot/tables.h>
|
#include <boot/tables.h>
|
||||||
#include <boot/elf.h>
|
|
||||||
#include <cbfs.h>
|
#include <cbfs.h>
|
||||||
#include <lib.h>
|
#include <lib.h>
|
||||||
#if CONFIG_HAVE_ACPI_RESUME
|
#if CONFIG_HAVE_ACPI_RESUME
|
||||||
|
|
|
||||||
|
|
@ -19,11 +19,10 @@
|
||||||
*/
|
*/
|
||||||
|
|
||||||
#include <arch/byteorder.h>
|
#include <arch/byteorder.h>
|
||||||
|
#include <arch/stages.h>
|
||||||
#include <console/console.h>
|
#include <console/console.h>
|
||||||
#include <cpu/cpu.h>
|
#include <cpu/cpu.h>
|
||||||
#include <fallback.h>
|
#include <fallback.h>
|
||||||
#include <boot/elf.h>
|
|
||||||
#include <boot/elf_boot.h>
|
|
||||||
#include <boot/coreboot_tables.h>
|
#include <boot/coreboot_tables.h>
|
||||||
#include <stdint.h>
|
#include <stdint.h>
|
||||||
#include <stdlib.h>
|
#include <stdlib.h>
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue