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grub/kern/x86_64/efi/startup.S
bean 2001169405 2008-07-17 Bean <bean123ch@gmail.com> 
* conf/i386/efi.rmk (pkglib_MODULES): add pci.mod and lspci.mod.
	(appleldr_mod_SOURCE): New variavle.
	(appleldr_mod_CFLAGS): Likewise.
	(appleldr_mod_LDFLAGS): Likewise.
	(pci_mod_SOURCES): Likewise.
	(pci_mod_CFLAGS): Likewise.
	(pci_mod_LDFLAGS): Likewise.
	(lspci_mod_SOURCES): Likewise.
	(lspci_mod_CFLAGS): Likewise.
	(lspci_mod_LDFLAGS): Likewise.

	* conf/x86_64-efi.rmk: New file.

	* disk/efi/efidisk.c (grub_efidisk_read): Wrap efi calls with efi_call_N
	macro.
	(grub_efidisk_write): Likewise.

	* include/efi/api.h (efi_call_0): New macro.
	(efi_call_1): Likewise.
	(efi_call_2): Likewise.
	(efi_call_3): Likewise.
	(efi_call_4): Likewise.
	(efi_call_5): Likewise.
	(efi_call_6): Likewise.

	* include/grub/efi/chainloader.h (grub_chainloader_cmd): Rename to
	grub_rescue_cmd_chainloader.

	* include/grub/efi/pe32.h (GRUB_PE32_MACHINE_X86_64): New macro.
	(grub_pe32_optional_header): Change some fields based on i386 or
	x86_64 platform.
	(GRUB_PE32_PE32_MAGIC): Likewise.

	* include/grub/efi/uga_draw.h: New file.

	* include/grub/elf.h (STN_ABS): New constant.
	(R_X86_64_NONE): Relocation constant for x86_64.
	(R_X86_64_64): Likewise.
	(R_X86_64_PC32): Likewise.
	(R_X86_64_GOT32): Likewise.
	(R_X86_64_PLT32): Likewise.
	(R_X86_64_COPY): Likewise.
	(R_X86_64_GLOB_DAT): Likewise.
	(R_X86_64_JUMP_SLOT): Likewise.
	(R_X86_64_RELATIVE): Likewise.
	(R_X86_64_GOTPCREL): Likewise.
	(R_X86_64_32): Likewise.
	(R_X86_64_32S): Likewise.
	(R_X86_64_16): Likewise.
	(R_X86_64_PC16): Likewise.
	(R_X86_64_8): Likewise.
	(R_X86_64_PC8): Likewise.

	* include/grub/i386/efi/pci.h: New file.

	* include/grub/i386/linux.h (GRUB_LINUX_EFI_SIGNATURE):
	Change it value based on platform.
	(GRUB_LINUX_EFI_SIGNATURE_0204): New constant.
	(GRUB_E820_RAM): Likewise.
	(GRUB_E820_RESERVED): Likewise.
	(GRUB_E820_ACPI): Likewise.
	(GRUB_E820_NVS): Likewise.
	(GRUB_E820_EXEC_CODE): Likewise.
	(GRUB_E820_MAX_ENTRY): Likewise.
	(grub_e820_mmap): New structure.
	(linux_kernel_header): Change the efi field according to different
	kernel version, also field from linux_kernel_header.

	* include/grub/kernel.h (grub_module_info): Add padding for x86_64.

	* include/grub/pci.h (GRUB_PCI_ADDR_SPACE_MASK): New constant.
	(GRUB_PCI_ADDR_SPACE_MEMORY): Likewise.
	(GRUB_PCI_ADDR_SPACE_IO): Likewise.
	(GRUB_PCI_ADDR_MEM_TYPE_MASK): Likewise.
	(GRUB_PCI_ADDR_MEM_TYPE_32): Likewise.
	(GRUB_PCI_ADDR_MEM_TYPE_1M): Likewise.
	(GRUB_PCI_ADDR_MEM_TYPE_64): Likewise.
	(GRUB_PCI_ADDR_MEM_PREFETCH): Likewise.
	(GRUB_PCI_ADDR_MEM_MASK): Likewise.
	(GRUB_PCI_ADDR_IO_MASK): Likewise.

	* include/grub/x86_64/efi/kernel.h: New file.

	* include/grub/x86_64/efi/loader.h: Likewise.

	* include/grub/x86_64/efi/machine.h: Likewise.

	* include/grub/x86_64/efi/pci.h: Likewise.

	* include/grub/x86_64/efi/time.h: Likewise.

	* include/grub/x86_64/linux.h: Likewise.

	* include/grub/x86_64/setjmp.h: Likewise.

	* include/grub/x86_64/time.h: Likewise.

	* include/grub/x86_64/types.h: Likewise.

	* kern/dl.c (GRUB_CPU_SIZEOF_VOID_P): Changed to
	 GRUB_TARGET_SIZEOF_VOID_P.

	* kern/efi/efi.c (grub_efi_locate_protocol): Wrap efi calls.
	(grub_efi_locate_handle): Likewise.
	(grub_efi_open_protocol): Likewise.
	(grub_efi_set_text_mode): Likewise.
	(grub_efi_stall): Likewise.
	(grub_exit): Likewise.
	(grub_reboot): Likewise.
	(grub_halt): Likewise.
	(grub_efi_exit_boot_services): Likewise.
	(grub_get_rtc): Likewise.

	* kern/efi/mm.c (MEMORY_MAP_SIZE): Change to 0x3000 for new models.
	(GRUB_CPU_SIZEOF_VOID_P): Changed to GRUB_TARGET_SIZEOF_VOID_P.
	(grub_efi_allocate_pages): Wrap efi calls.
	(grub_efi_free_pages): Wrap efi calls.
	(grub_efi_get_memory_map): Wrap efi calls.

	* kern/x86_64/dl.c: New file.

	* kern/x86_64/efi/callwrap.S: Likewise.

	* kern/x86_64/efi/startup.S: Likewise.

	* loader/efi/appleloader.c: Likewise.

	* loader/efi/chainloader.c (cmdline): New variable.
	(grub_chainloader_unload): Wrap efi calls.
	(grub_chainloader_boot): Likewise.
	(grub_rescue_cmd_chainloader): Wrap efi calls, handle
	command line.

	* loader/efi/chainloader_normal.c (chainloader_command):
	Change grub_chainloader_cmd to grub_rescue_cmd_chainloader, pass
	command line.

	* loader/i386/efi/linux.c (allocate_pages): Change allocation
	method.
	(grub_e820_add_region): New function.
	(grub_linux_boot): Construct e820 map from efi map, handle x86_64
	booting.
	(grub_find_video_card): New function.
	(grub_linux_setup_video): New function.
	(grub_rescue_cmd_linux): Probe for video information.

	* normal/x86_64/setjmp.S: New file.

	* term/efi/console.c (map_char): New function.
	(grub_console_putchar): Map unicode char.
	(grub_console_checkkey): Wrap efi calls.
	(grub_console_getkey): Likewise.
	(grub_console_getwh): Likewise.
	(grub_console_gotoxy): Likewise.
	(grub_console_cls): Likewise.
	(grub_console_setcolorstate): Likewise.
	(grub_console_setcursor): Likewise.

	* util/i386/efi/grub-mkimage.c: Add support for x86_64.
2008-07-17 09:50:26 +00:00

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/* startup.S - bootstrap GRUB itself */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2006,2007 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <grub/symbol.h>
#include <grub/boot.h>
.file "startup.S"
.text
.globl start, _start
.code64
start:
_start:
jmp codestart
/*
* Compatibility version number
*
* These MUST be at byte offset 6 and 7 of the executable
* DO NOT MOVE !!!
*/
. = EXT_C(start) + 0x6
.byte GRUB_BOOT_VERSION_MAJOR, GRUB_BOOT_VERSION_MINOR
/*
* This is a special data area 8 bytes from the beginning.
*/
. = EXT_C(start) + 0x8
VARIABLE(grub_prefix)
/* to be filled by grub-mkimage */
/*
* Leave some breathing room for the prefix.
*/
. = EXT_C(start) + 0x50
codestart:
movq %rcx, EXT_C(grub_efi_image_handle)
movq %rdx, EXT_C(grub_efi_system_table)
call EXT_C(grub_main)
ret
.code32
FUNCTION(grub_linux_real_boot)
/* Turn off PG bit in CR0 and set CR3 to zero. */
movl %cr0, %eax
andl $0x7FFFFFFF, %eax
movl %eax, %cr0
/* Setup EFER (Extended Feature Enable Register). */
movl $0xc0000080, %ecx
rdmsr
/* Disable Long Mode. */
andl $0xFFFFFEFF, %eax
/* Make changes effective. */
wrmsr
/* Disable PAE. */
xorl %eax, %eax
movl %eax, %cr4
jmp *%ebx
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