diff options
Diffstat (limited to 'extra/source/grub/grub-0.97-x86_64.patch')
-rw-r--r-- | extra/source/grub/grub-0.97-x86_64.patch | 809 |
1 files changed, 0 insertions, 809 deletions
diff --git a/extra/source/grub/grub-0.97-x86_64.patch b/extra/source/grub/grub-0.97-x86_64.patch deleted file mode 100644 index 480e38fc..00000000 --- a/extra/source/grub/grub-0.97-x86_64.patch +++ /dev/null @@ -1,809 +0,0 @@ -diff -Naur grub-0.97.orig/docs/multiboot.h grub-0.97.patched/docs/multiboot.h ---- grub-0.97.orig/docs/multiboot.h 2003-07-09 05:45:36.000000000 -0600 -+++ grub-0.97.patched/docs/multiboot.h 2006-08-26 22:44:02.000000000 -0600 -@@ -44,76 +44,81 @@ - /* Do not include here in boot.S. */ - - /* Types. */ -+#ifndef __x86_64__ -+typedef unsigned long UINT32; -+#else -+typedef unsigned UINT32; -+#endif - - /* The Multiboot header. */ - typedef struct multiboot_header - { -- unsigned long magic; -- unsigned long flags; -- unsigned long checksum; -- unsigned long header_addr; -- unsigned long load_addr; -- unsigned long load_end_addr; -- unsigned long bss_end_addr; -- unsigned long entry_addr; -+ UINT32 magic; -+ UINT32 flags; -+ UINT32 checksum; -+ UINT32 header_addr; -+ UINT32 load_addr; -+ UINT32 load_end_addr; -+ UINT32 bss_end_addr; -+ UINT32 entry_addr; - } multiboot_header_t; - - /* The symbol table for a.out. */ - typedef struct aout_symbol_table - { -- unsigned long tabsize; -- unsigned long strsize; -- unsigned long addr; -- unsigned long reserved; -+ UINT32 tabsize; -+ UINT32 strsize; -+ UINT32 addr; -+ UINT32 reserved; - } aout_symbol_table_t; - - /* The section header table for ELF. */ - typedef struct elf_section_header_table - { -- unsigned long num; -- unsigned long size; -- unsigned long addr; -- unsigned long shndx; -+ UINT32 num; -+ UINT32 size; -+ UINT32 addr; -+ UINT32 shndx; - } elf_section_header_table_t; - - /* The Multiboot information. */ - typedef struct multiboot_info - { -- unsigned long flags; -- unsigned long mem_lower; -- unsigned long mem_upper; -- unsigned long boot_device; -- unsigned long cmdline; -- unsigned long mods_count; -- unsigned long mods_addr; -+ UINT32 flags; -+ UINT32 mem_lower; -+ UINT32 mem_upper; -+ UINT32 boot_device; -+ UINT32 cmdline; -+ UINT32 mods_count; -+ UINT32 mods_addr; - union - { - aout_symbol_table_t aout_sym; - elf_section_header_table_t elf_sec; - } u; -- unsigned long mmap_length; -- unsigned long mmap_addr; -+ UINT32 mmap_length; -+ UINT32 mmap_addr; - } multiboot_info_t; - - /* The module structure. */ - typedef struct module - { -- unsigned long mod_start; -- unsigned long mod_end; -- unsigned long string; -- unsigned long reserved; -+ UINT32 mod_start; -+ UINT32 mod_end; -+ UINT32 string; -+ UINT32 reserved; - } module_t; - - /* The memory map. Be careful that the offset 0 is base_addr_low - but no size. */ - typedef struct memory_map - { -- unsigned long size; -- unsigned long base_addr_low; -- unsigned long base_addr_high; -- unsigned long length_low; -- unsigned long length_high; -- unsigned long type; -+ UINT32 size; -+ UINT32 base_addr_low; -+ UINT32 base_addr_high; -+ UINT32 length_low; -+ UINT32 length_high; -+ UINT32 type; - } memory_map_t; - - #endif /* ! ASM */ -diff -Naur grub-0.97.orig/docs/x86_64.txt grub-0.97.patched/docs/x86_64.txt ---- grub-0.97.orig/docs/x86_64.txt 1969-12-31 17:00:00.000000000 -0700 -+++ grub-0.97.patched/docs/x86_64.txt 2006-10-10 10:39:42.000000000 -0600 -@@ -0,0 +1,81 @@ -+[PATCH] - Make GRUB recognize and boot an x86_64 elf image -+ -+ -+HOW IT WORKS -+------------ -+* Grub interface is unchanged. -+* Upon passing an elf-x86_64 file via "kernel=", GRUB will load and parse it -+ correctly. -+* Upon the "boot" directive, GRUB will switch from protected 32-bit -+ mode to long 64-bit mode and transfer control to the image's entrypoint. -+ -+ -+INSTALL -+------- -+cd grub-0.97 -+patch -p1 < grub-x86_64-elf.patch -+./configure -+make -+su -c "make install" -+ -+Note: You do not need to re-install your bootsectors, but you WILL need -+ to copy the modified stage2 file(s) from /usr/share/grub to -+ your actual boot filesystem (usually /boot/grub for GNU/Linux). -+ -+ -+WHY? -+---- -+Because in our world, all elves and elf images are created equal, and have -+been endowed with the ability to be bootable. :-) -+ -+ -+THE NITTY GRITTY - GRUB SIDE -+---------------------------- -+* Since paging is manditory in 64-bit long mode, the first 4GB of physical -+ memory (whether present or not) is identity mapped into the linear -+ address space using 2MB pages. -+* Paging data structures are written to physical 0x70000-0x75fff in the -+ same area reserved for the raw device buffer. This happens after the -+ "boot" command is issued so the raw device buffer won't mind. Paging -+ can be relocated and reconfigured after the kernel is running. -+* Header files have been added to describe the x86_64 elf image structure. -+ -+ -+THE NITTY GRITTY - KERNEL SIDE -+------------------------------ -+* Parameters passed to the assembly entrypoint are unchanged including -+ magic number and pointer to multiboot info structure. -+* The assembly entrypoint should be designated as ".code64". -+* The Global Descriptor Table (GDT) shared by the GRUB and KERNEL sides -+ has been expanded to include 3 additional 64-bit ('L' bit set) segments: -+ 0x28 (code) and 0x30 (data). -+* An updated "multiboot.h" file is provided to reflect the difference in -+ "unsigned long" sizes between i386 and x86_64 architectures for use by -+ the client kernel. -+ -+ -+CAVEATS -+------- -+Possible collisions with existing GRUB patch sets are unknown. Use "darcs" -+and worry not. -+ -+ http://abridgegame.org/darcs -+ -+(An intelligent alternative to cvs and greying hair in the distributed -+post-mainframe age.) -+ -+ -+DOCUMENTATION CHANGES -+--------------------- -+This is it. Sorry, stuff to do. -+ -+ -+APOLOGIES TO GRUB2 -+------------------ -+We would have liked to use GRUB2 for this, but needed it today for our -+kernel. Of course there is probably no technical reason why this -+functionality cannot be in included in GRUB2 at a future time. Thank you -+for a way cool bootloader and may all your boots be bogon (and Vogon) free. -+ -+<mcnster@gmail.com> -+October 10, 2006 -diff -Naur grub-0.97.orig/grub/asmstub.c grub-0.97.patched/grub/asmstub.c ---- grub-0.97.orig/grub/asmstub.c 2005-02-16 13:45:14.000000000 -0700 -+++ grub-0.97.patched/grub/asmstub.c 2006-08-26 22:43:24.000000000 -0600 -@@ -313,6 +313,12 @@ - stop (); - } - -+void -+multi_boot_64bit_doit (int start, int mb_info) -+{ -+ stop (); -+} -+ - /* sets it to linear or wired A20 operation */ - void - gateA20 (int linear) -diff -Naur grub-0.97.orig/stage2/asm.S grub-0.97.patched/stage2/asm.S ---- grub-0.97.orig/stage2/asm.S 2004-06-19 10:55:22.000000000 -0600 -+++ grub-0.97.patched/stage2/asm.S 2006-09-25 14:59:48.000000000 -0600 -@@ -1809,6 +1809,54 @@ - /* error */ - call EXT_C(stop) - -+ENTRY(multi_boot_64bit_doit) -+ call EXT_C(stop_floppy) -+ -+ /* dont squash these! */ -+ movl 0x8(%esp), %esi -+ movl 0x4(%esp), %edi -+ -+ cli -+ -+ mov %cr0, %eax -+ and $0x7fffffff, %eax -+ mov %eax, %cr0 -+ -+ /* enable pae */ -+ mov %cr4, %eax -+ or $0x20, %eax -+ mov %eax, %cr4 -+ -+ /* load cr3 with pml4 */ -+ mov $PML4, %eax -+ mov %eax, %cr3 -+ -+ /* trigger long mode */ -+ mov $0xc0000080, %ecx -+ rdmsr -+ or $0x100, %eax -+ wrmsr -+ -+ /* enable paging to actually switch modes */ -+ mov %cr0, %eax -+ or $0x80000000, %eax -+ mov %eax, %cr0 -+ -+ /* jump to relocation, flush prefetch queue, and reload %cs */ -+ ljmp $0x28, $longmode -+.code64 -+longmode: -+ mov $0x2BADB002, %eax -+ -+ mov %rsi, %rbx -+ and $0xffffffff, %rsi -+ -+ and $0xffffffff, %rdi -+ call *%rdi -+ /* NOTREACHED */ -+ call EXT_C(stop) -+ -+.code32 - #endif /* ! STAGE1_5 */ - - /* -@@ -2341,27 +2389,35 @@ - - .p2align 2 /* force 4-byte alignment */ - gdt: -- .word 0, 0 -+ .word 0, 0 /* 0x0000 */ - .byte 0, 0, 0, 0 - -- /* code segment */ -+ /* code segment */ /* 0x0008 */ - .word 0xFFFF, 0 - .byte 0, 0x9A, 0xCF, 0 - -- /* data segment */ -+ /* data segment */ /* 0x0010 */ - .word 0xFFFF, 0 - .byte 0, 0x92, 0xCF, 0 - -- /* 16 bit real mode CS */ -+ /* 16 bit real mode CS */ /* 0x0018 */ - .word 0xFFFF, 0 - .byte 0, 0x9E, 0, 0 - -- /* 16 bit real mode DS */ -+ /* 16 bit real mode DS/SS */ /* 0x0020 */ - .word 0xFFFF, 0 - .byte 0, 0x92, 0, 0 - -+ /* 64 bit long mode CS */ /* 0x0028 */ -+ .word 0xFFFF, 0 -+ .byte 0, 0x9A, 0xAF, 0 -+ -+ /* 64-bit long mode SS */ /* 0x0030 */ -+ .word 0xFFFF, 0 -+ .byte 0, 0x92, 0xAF, 0 - - /* this is the GDT descriptor */ - gdtdesc: -- .word 0x27 /* limit */ -+ .word 0x33 /* limit */ - .long gdt /* addr */ -+ .long 0 /* in case we go to 64-bit mode */ -diff -Naur grub-0.97.orig/stage2/boot.c grub-0.97.patched/stage2/boot.c ---- grub-0.97.orig/stage2/boot.c 2004-03-30 04:44:08.000000000 -0700 -+++ grub-0.97.patched/stage2/boot.c 2006-08-25 22:20:17.000000000 -0600 -@@ -23,10 +23,11 @@ - - #include "freebsd.h" - #include "imgact_aout.h" --#include "i386-elf.h" -+#include "elf.h" - - static int cur_addr; - entry_func entry_addr; -+unsigned long_64bit_mode = 0; - static struct mod_list mll[99]; - static int linux_mem_size; - -@@ -50,7 +51,7 @@ - { - struct multiboot_header *mb; - struct exec *aout; -- Elf32_Ehdr *elf; -+ Elf_Ehdr *elf; - } - pu; - /* presuming that MULTIBOOT_SEARCH is large enough to encompass an -@@ -100,21 +101,25 @@ - || pu.elf->e_ident[EI_OSABI] == ELFOSABI_FREEBSD - || grub_strcmp (pu.elf->e_ident + EI_BRAND, "FreeBSD") == 0 - || suggested_type == KERNEL_TYPE_NETBSD) -- && len > sizeof (Elf32_Ehdr) -- && BOOTABLE_I386_ELF ((*((Elf32_Ehdr *) buffer)))) -+ && len > SIZEOF_ELF_EHDR (pu.elf) -+ && (BOOTABLE_I386_ELF ((*((Elf32_Ehdr *) buffer))) -+ || BOOTABLE_X86_64_ELF ((*((Elf64_Ehdr *) buffer))))) - { -+ if (BOOTABLE_X86_64_ELF ((*((Elf64_Ehdr *) buffer)))) -+ long_64bit_mode = 1; -+ - if (type == KERNEL_TYPE_MULTIBOOT) -- entry_addr = (entry_func) pu.elf->e_entry; -+ entry_addr = (entry_func) E_ENTRY (pu.elf); - else -- entry_addr = (entry_func) (pu.elf->e_entry & 0xFFFFFF); -+ entry_addr = (entry_func) (E_ENTRY (pu.elf) & 0xFFFFFF); - - if (entry_addr < (entry_func) 0x100000) - errnum = ERR_BELOW_1MB; - - /* don't want to deal with ELF program header at some random - place in the file -- this generally won't happen */ -- if (pu.elf->e_phoff == 0 || pu.elf->e_phnum == 0 -- || ((pu.elf->e_phoff + (pu.elf->e_phentsize * pu.elf->e_phnum)) -+ if (E_PHOFF (pu.elf) == 0 || E_PHNUM (pu.elf) == 0 -+ || ((E_PHOFF (pu.elf) + (E_PHENTSIZE (pu.elf) * E_PHNUM (pu.elf))) - >= len)) - errnum = ERR_EXEC_FORMAT; - str = "elf"; -@@ -590,39 +595,38 @@ - /* ELF executable */ - { - unsigned loaded = 0, memaddr, memsiz, filesiz; -- Elf32_Phdr *phdr; -+ Elf_Phdr *phdr; - - /* reset this to zero for now */ - cur_addr = 0; - - /* scan for program segments */ -- for (i = 0; i < pu.elf->e_phnum; i++) -+ for (i = 0; i < E_PHNUM (pu.elf); i++) - { -- phdr = (Elf32_Phdr *) -- (pu.elf->e_phoff + ((int) buffer) -- + (pu.elf->e_phentsize * i)); -- if (phdr->p_type == PT_LOAD) -+ phdr = (Elf_Phdr *) (E_PHOFF (pu.elf) + ((int) buffer) -+ + (E_PHENTSIZE (pu.elf) * i)); -+ if (P_TYPE (pu.elf, phdr) == PT_LOAD) - { - /* offset into file */ -- grub_seek (phdr->p_offset); -- filesiz = phdr->p_filesz; -+ grub_seek (P_OFFSET (pu.elf, phdr)); -+ filesiz = P_FILESZ (pu.elf, phdr); - - if (type == KERNEL_TYPE_FREEBSD || type == KERNEL_TYPE_NETBSD) -- memaddr = RAW_ADDR (phdr->p_paddr & 0xFFFFFF); -+ memaddr = RAW_ADDR (P_PADDR (pu.elf, phdr) & 0xFFFFFF); - else -- memaddr = RAW_ADDR (phdr->p_paddr); -+ memaddr = RAW_ADDR (P_PADDR (pu.elf, phdr)); - -- memsiz = phdr->p_memsz; -+ memsiz = P_MEMSZ (pu.elf, phdr); - if (memaddr < RAW_ADDR (0x100000)) - errnum = ERR_BELOW_1MB; - - /* If the memory range contains the entry address, get the - physical address here. */ - if (type == KERNEL_TYPE_MULTIBOOT -- && (unsigned) entry_addr >= phdr->p_vaddr -- && (unsigned) entry_addr < phdr->p_vaddr + memsiz) -+ && (unsigned) entry_addr >= P_VADDR (pu.elf, phdr) -+ && (unsigned) entry_addr < P_VADDR (pu.elf, phdr) + memsiz) - real_entry_addr = (entry_func) ((unsigned) entry_addr -- + memaddr - phdr->p_vaddr); -+ + memaddr - P_VADDR (pu.elf, phdr)); - - /* make sure we only load what we're supposed to! */ - if (filesiz > memsiz) -@@ -654,26 +658,26 @@ - else - { - /* Load ELF symbols. */ -- Elf32_Shdr *shdr = NULL; -+ Elf_Shdr *shdr = NULL; - int tab_size, sec_size; - int symtab_err = 0; - -- mbi.syms.e.num = pu.elf->e_shnum; -- mbi.syms.e.size = pu.elf->e_shentsize; -- mbi.syms.e.shndx = pu.elf->e_shstrndx; -+ mbi.syms.e.num = E_SHNUM (pu.elf); -+ mbi.syms.e.size = E_SHENTSIZE (pu.elf); -+ mbi.syms.e.shndx = E_SHSTRNDX (pu.elf); - - /* We should align to a 4K boundary here for good measure. */ - if (align_4k) - cur_addr = (cur_addr + 0xFFF) & 0xFFFFF000; - -- tab_size = pu.elf->e_shentsize * pu.elf->e_shnum; -+ tab_size = E_SHENTSIZE (pu.elf) * E_SHNUM (pu.elf); - -- grub_seek (pu.elf->e_shoff); -+ grub_seek (E_SHOFF (pu.elf)); - if (grub_read ((char *) RAW_ADDR (cur_addr), tab_size) - == tab_size) - { - mbi.syms.e.addr = cur_addr; -- shdr = (Elf32_Shdr *) mbi.syms.e.addr; -+ shdr = (Elf_Shdr *) mbi.syms.e.addr; - cur_addr += tab_size; - - printf (", shtab=0x%x", cur_addr); -@@ -682,20 +686,20 @@ - { - /* This section is a loaded section, - so we don't care. */ -- if (shdr[i].sh_addr != 0) -+ if (SH_ADDR_AT (pu.elf, shdr, i) != 0) - continue; - - /* This section is empty, so we don't care. */ -- if (shdr[i].sh_size == 0) -+ if (SH_SIZE_AT (pu.elf, shdr, i) == 0) - continue; - - /* Align the section to a sh_addralign bits boundary. */ -- cur_addr = ((cur_addr + shdr[i].sh_addralign) & -- - (int) shdr[i].sh_addralign); -+ cur_addr = ((cur_addr + SH_ADDRALIGN_AT (pu.elf, shdr, i)) & -+ - (int) SH_ADDRALIGN_AT (pu.elf, shdr, i)); - -- grub_seek (shdr[i].sh_offset); -+ grub_seek (SH_OFFSET_AT (pu.elf, shdr, i)); - -- sec_size = shdr[i].sh_size; -+ sec_size = SH_SIZE_AT (pu.elf, shdr, i); - - if (! (memcheck (cur_addr, sec_size) - && (grub_read ((char *) RAW_ADDR (cur_addr), -@@ -706,7 +710,7 @@ - break; - } - -- shdr[i].sh_addr = cur_addr; -+ SET_SH_ADDR_AT (pu.elf, shdr, i, cur_addr); - cur_addr += sec_size; - } - } -diff -Naur grub-0.97.orig/stage2/builtins.c grub-0.97.patched/stage2/builtins.c ---- grub-0.97.orig/stage2/builtins.c 2005-02-15 14:58:23.000000000 -0700 -+++ grub-0.97.patched/stage2/builtins.c 2006-09-25 14:59:16.000000000 -0600 -@@ -81,6 +81,7 @@ - /* Prototypes for allowing straightfoward calling of builtins functions - inside other functions. */ - static int configfile_func (char *arg, int flags); -+static void multi_boot_64bit (int entry_addr, int mbi); - - /* Initialize the data for builtins. */ - void -@@ -297,8 +298,11 @@ - break; - - case KERNEL_TYPE_MULTIBOOT: -- /* Multiboot */ -- multi_boot ((int) entry_addr, (int) &mbi); -+ -+ if (long_64bit_mode) -+ multi_boot_64bit((int) entry_addr, (int) &mbi); -+ else -+ multi_boot ((int) entry_addr, (int) &mbi); - break; - - default: -@@ -309,6 +313,73 @@ - return 0; - } - -+#define TABLE_BITS 0x7 /* user, r/w, present */ -+#define PAGE_BITS 0x87 /* not pat, not global, not dirty, not accessed, user, r/w, present */ -+ -+#define NOT_PRESENT_TABLE 0x6 -+#define NOT_PRESENT_PAGE 0x86 -+ -+ -+static void -+multi_boot_64bit (int entry_addr, int mbi) -+{ -+ unsigned *pml4 = PML4; -+ unsigned *pdpt0x000 = PDPT0x000; -+ unsigned *pd0x000_000 = PD0x000_000; -+ unsigned *pd0x000_001 = PD0x000_001; -+ unsigned *pd0x000_002 = PD0x000_002; -+ unsigned *pd0x000_003 = PD0x000_003; -+ int i; -+ unsigned long base; -+ -+ /* identity map 1st 4 GB */ -+ -+ for (i = 0; i < 512; i++) -+ { -+ pml4[i * 2 + 0] = NOT_PRESENT_TABLE; -+ pml4[i * 2 + 1] = 0; -+ -+ pdpt0x000[i * 2 + 0] = NOT_PRESENT_TABLE; -+ pdpt0x000[i * 2 + 1] = 0; -+ -+ pd0x000_000[i * 2 + 0] = NOT_PRESENT_PAGE; -+ pd0x000_000[i * 2 + 1] = 0; -+ pd0x000_001[i * 2 + 0] = NOT_PRESENT_PAGE; -+ pd0x000_001[i * 2 + 1] = 0; -+ pd0x000_002[i * 2 + 0] = NOT_PRESENT_PAGE; -+ pd0x000_002[i * 2 + 1] = 0; -+ pd0x000_003[i * 2 + 0] = NOT_PRESENT_PAGE; -+ pd0x000_003[i * 2 + 1] = 0; -+ } -+ -+ pml4[0x000 * 2 + 0] = PDPT0x000 + TABLE_BITS; -+ pml4[0x000 * 2 + 1] = 0; -+ -+ pdpt0x000[0x000 * 2 + 0] = PD0x000_000 + TABLE_BITS; -+ pdpt0x000[0x000 * 2 + 1] = 0; -+ pdpt0x000[0x001 * 2 + 0] = PD0x000_001 + TABLE_BITS; -+ pdpt0x000[0x001 * 2 + 1] = 0; -+ pdpt0x000[0x002 * 2 + 0] = PD0x000_002 + TABLE_BITS; -+ pdpt0x000[0x002 * 2 + 1] = 0; -+ pdpt0x000[0x003 * 2 + 0] = PD0x000_003 + TABLE_BITS; -+ pdpt0x000[0x003 * 2 + 1] = 0; -+ -+ for (i = 0, base = 0; i < 1005; i++, base += 0x200000) -+ { -+ pd0x000_000[i * 2 + 0] = base + PAGE_BITS; -+ pd0x000_000[i * 2 + 1] = 0; -+ pd0x000_001[i * 2 + 0] = base + (1 * 0x200 * 0x20000) + PAGE_BITS; -+ pd0x000_001[i * 2 + 1] = 0; -+ pd0x000_002[i * 2 + 0] = base + (2 * 0x200 * 0x20000) + PAGE_BITS; -+ pd0x000_002[i * 2 + 1] = 0; -+ pd0x000_003[i * 2 + 0] = base + (3 * 0x200 * 0x20000) + PAGE_BITS; -+ pd0x000_003[i * 2 + 1] = 0; -+ } -+ -+ multi_boot_64bit_doit (entry_addr, mbi); -+ /* NOTREACHED */ -+} -+ - static struct builtin builtin_boot = - { - "boot", -diff -Naur grub-0.97.orig/stage2/elf.h grub-0.97.patched/stage2/elf.h ---- grub-0.97.orig/stage2/elf.h 1969-12-31 17:00:00.000000000 -0700 -+++ grub-0.97.patched/stage2/elf.h 2006-08-25 21:58:37.000000000 -0600 -@@ -0,0 +1,79 @@ -+/* -+ * GRUB -- GRand Unified Bootloader -+ * Copyright (C) 2001,2002,2006 Free Software Foundation, Inc. -+ * -+ * This program 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 2 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 General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -+ */ -+ -+ -+#include "i386-elf.h" -+#include "x86-64-elf.h" -+ -+ -+typedef union -+{ -+ unsigned char e_ident[EI_NIDENT]; -+ Elf32_Ehdr elf32; -+ Elf64_Ehdr elf64; -+} -+Elf_Ehdr; -+ -+ -+typedef union -+{ -+ Elf32_Phdr elf32; -+ Elf64_Phdr elf64; -+} -+Elf_Phdr; -+ -+ -+typedef union -+{ -+ Elf32_Shdr elf32; -+ Elf64_Shdr elf64; -+} -+Elf_Shdr; -+ -+ -+#define SIZEOF_ELF_EHDR(h) (h->e_ident[EI_CLASS] == ELFCLASS32 ? sizeof (Elf32_Ehdr) : sizeof (Elf64_Ehdr)) -+ -+#define E_ENTRY(h) ((unsigned) (h->e_ident[EI_CLASS] == ELFCLASS32 ? h->elf32.e_entry : h->elf64.e_entry)) -+#define E_PHOFF(h) ((unsigned) (h->e_ident[EI_CLASS] == ELFCLASS32 ? h->elf32.e_phoff : h->elf64.e_phoff)) -+#define E_PHNUM(h) ((unsigned) (h->e_ident[EI_CLASS] == ELFCLASS32 ? h->elf32.e_phnum : h->elf64.e_phnum)) -+#define E_PHENTSIZE(h) ((unsigned) (h->e_ident[EI_CLASS] == ELFCLASS32 ? h->elf32.e_phentsize : h->elf64.e_phentsize)) -+#define E_SHNUM(h) ((unsigned) (h->e_ident[EI_CLASS] == ELFCLASS32 ? h->elf32.e_shnum : h->elf64.e_shnum)) -+#define E_SHENTSIZE(h) ((unsigned) (h->e_ident[EI_CLASS] == ELFCLASS32 ? h->elf32.e_shentsize : h->elf64.e_shentsize)) -+#define E_SHSTRNDX(h) ((unsigned) (h->e_ident[EI_CLASS] == ELFCLASS32 ? h->elf32.e_shstrndx : h->elf64.e_shstrndx)) -+#define E_SHOFF(h) ((unsigned) (h->e_ident[EI_CLASS] == ELFCLASS32 ? h->elf32.e_shoff : h->elf64.e_shoff)) -+ -+#define P_TYPE(h, p) ((unsigned) (h->e_ident[EI_CLASS] == ELFCLASS32 ? p->elf32.p_type : p->elf64.p_type)) -+#define P_OFFSET(h, p) ((unsigned) (h->e_ident[EI_CLASS] == ELFCLASS32 ? p->elf32.p_offset : p->elf64.p_offset)) -+#define P_PADDR(h, p) ((unsigned) (h->e_ident[EI_CLASS] == ELFCLASS32 ? p->elf32.p_paddr : p->elf64.p_paddr)) -+#define P_MEMSZ(h, p) ((unsigned) (h->e_ident[EI_CLASS] == ELFCLASS32 ? p->elf32.p_memsz : p->elf64.p_memsz)) -+#define P_VADDR(h, p) ((unsigned) (h->e_ident[EI_CLASS] == ELFCLASS32 ? p->elf32.p_vaddr : p->elf64.p_vaddr)) -+#define P_FILESZ(h, p) ((unsigned) (h->e_ident[EI_CLASS] == ELFCLASS32 ? p->elf32.p_filesz : p->elf64.p_filesz)) -+ -+#define SH_ADDR_AT(h, sh, i) ((unsigned) (h->e_ident[EI_CLASS] == ELFCLASS32 ? ((&(sh->elf32))[i]).sh_addr : ((&(sh->elf64))[i]).sh_addr)) -+#define SH_SIZE_AT(h, sh, i) ((unsigned) (h->e_ident[EI_CLASS] == ELFCLASS32 ? ((&(sh->elf32))[i]).sh_size : ((&(sh->elf64))[i]).sh_size)) -+#define SH_ADDRALIGN_AT(h, sh, i) ((unsigned) (h->e_ident[EI_CLASS] == ELFCLASS32 ? ((&(sh->elf32))[i]).sh_addralign : ((&(sh->elf64))[i]).sh_addralign)) -+#define SH_OFFSET_AT(h, sh, i) ((unsigned) (h->e_ident[EI_CLASS] == ELFCLASS32 ? ((&(sh->elf32))[i]).sh_offset : ((&(sh->elf64))[i]).sh_offset)) -+ -+#define SET_SH_ADDR_AT(h, sh, i, v) \ -+ { \ -+ if (h->e_ident[EI_CLASS] == ELFCLASS32) \ -+ ((&(sh->elf32))[i]).sh_addr = v; \ -+ else \ -+ ((&(sh->elf64))[i]).sh_addr = v; \ -+ } -diff -Naur grub-0.97.orig/stage2/shared.h grub-0.97.patched/stage2/shared.h ---- grub-0.97.orig/stage2/shared.h 2004-06-19 10:40:09.000000000 -0600 -+++ grub-0.97.patched/stage2/shared.h 2006-09-25 14:54:53.000000000 -0600 -@@ -70,6 +70,13 @@ - - #define BOOT_PART_TABLE RAW_ADDR (0x07be) - -+#define PML4 0x70000 -+#define PDPT0x000 0x71000 -+#define PD0x000_000 0x72000 -+#define PD0x000_001 0x73000 -+#define PD0x000_002 0x74000 -+#define PD0x000_003 0x75000 -+ - /* - * BIOS disk defines - */ -@@ -692,6 +699,8 @@ - - extern entry_func entry_addr; - -+extern unsigned long_64bit_mode; -+ - /* Enter the stage1.5/stage2 C code after the stack is set up. */ - void cmain (void); - -@@ -739,6 +748,9 @@ - /* booting a multiboot executable */ - void multi_boot (int start, int mb_info) __attribute__ ((noreturn)); - -+/* boot into 64-bit long mode */ -+void multi_boot_64bit_doit (int start, int mb_info) __attribute__ ((noreturn)); -+ - /* If LINEAR is nonzero, then set the Intel processor to linear mode. - Otherwise, bit 20 of all memory accesses is always forced to zero, - causing a wraparound effect for bugwards compatibility with the -diff -Naur grub-0.97.orig/stage2/x86-64-elf.h grub-0.97.patched/stage2/x86-64-elf.h ---- grub-0.97.orig/stage2/x86-64-elf.h 1969-12-31 17:00:00.000000000 -0700 -+++ grub-0.97.patched/stage2/x86-64-elf.h 2006-08-26 21:45:22.000000000 -0600 -@@ -0,0 +1,86 @@ -+/* -+ * GRUB -- GRand Unified Bootloader -+ * Copyright (C) 2001,2002,2006 Free Software Foundation, Inc. -+ * -+ * This program 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 2 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 General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -+ */ -+ -+ -+typedef unsigned short Elf64_Half; -+typedef unsigned long Elf64_Word; -+typedef unsigned long long Elf64_Off; -+typedef unsigned long long Elf64_Addr; -+typedef unsigned long long Elf64_Xword; -+ -+ -+typedef struct -+{ -+ unsigned char e_ident[EI_NIDENT]; /* basic identification block */ -+ Elf64_Half e_type; /* file types */ -+ Elf64_Half e_machine; /* machine types */ -+ Elf64_Word e_version; /* use same as "EI_VERSION" above */ -+ Elf64_Addr e_entry; /* entry point of the program */ -+ Elf64_Off e_phoff; /* program header table file offset */ -+ Elf64_Off e_shoff; /* section header table file offset */ -+ Elf64_Word e_flags; /* flags */ -+ Elf64_Half e_ehsize; /* elf header size in bytes */ -+ Elf64_Half e_phentsize; /* program header entry size */ -+ Elf64_Half e_phnum; /* number of entries in program header */ -+ Elf64_Half e_shentsize; /* section header entry size */ -+ Elf64_Half e_shnum; /* number of entries in section header */ -+ Elf64_Half e_shstrndx; /* section header table index */ -+} -+Elf64_Ehdr; -+ -+ -+typedef struct -+{ -+ Elf64_Word p_type; -+ Elf64_Word p_flags; -+ Elf64_Off p_offset; -+ Elf64_Addr p_vaddr; -+ Elf64_Addr p_paddr; -+ Elf64_Xword p_filesz; -+ Elf64_Xword p_memsz; -+ Elf64_Xword p_align; -+} -+Elf64_Phdr; -+ -+ -+typedef struct -+{ -+ Elf64_Word sh_name; /* Section name (string tbl index) */ -+ Elf64_Word sh_type; /* Section type */ -+ Elf64_Xword sh_flags; /* Section flags */ -+ Elf64_Addr sh_addr; /* Section virtual addr at execution */ -+ Elf64_Off sh_offset; /* Section file offset */ -+ Elf64_Xword sh_size; /* Section size in bytes */ -+ Elf64_Word sh_link; /* Link to another section */ -+ Elf64_Word sh_info; /* Additional section information */ -+ Elf64_Xword sh_addralign; /* Section alignment */ -+ Elf64_Xword sh_entsize; /* Entry size if section holds table */ -+} -+Elf64_Shdr; -+ -+#define ELFCLASS64 2 -+ -+#define EM_X86_64 0x3e -+ -+#define BOOTABLE_X86_64_ELF(h) \ -+ ((h.e_ident[EI_MAG0] == ELFMAG0) & (h.e_ident[EI_MAG1] == ELFMAG1) \ -+ & (h.e_ident[EI_MAG2] == ELFMAG2) & (h.e_ident[EI_MAG3] == ELFMAG3) \ -+ & (h.e_ident[EI_CLASS] == ELFCLASS64) & (h.e_ident[EI_DATA] == ELFDATA2LSB) \ -+ & (h.e_ident[EI_VERSION] == EV_CURRENT) & (h.e_type == ET_EXEC) \ -+ & (h.e_machine == EM_X86_64) & (h.e_version == EV_CURRENT)) |