Commit Graph

46 Commits

Author SHA1 Message Date
Matthew Garrett f203942ba2 Fix boot when there's no TPM
If the firmware has TPM support but has no TPM, we're jumping to core.img
without popping the registers back onto the stack. Fix that.
2018-03-29 22:18:53 -04:00
Matthew Garrett 6b79d94608 Add BIOS boot measurement
Measure the on-disk grub core on BIOS systems - unlike UEFI, the firmware
can't do this stage for us.
2018-03-29 22:18:53 -04:00
Vladimir Serbinenko 3c6043245e qemu: Switch to more portable .org
Binary is checked identical.
2015-02-21 20:13:58 +01:00
Vladimir Serbinenko 8afd8f3b64 qemu: Fix GateA20 enabling.
GateA20 code was inactive due to address error.
2015-02-21 20:00:18 +01:00
Vladimir Serbinenko e62ca2a870 qemu: Fix compilation 2015-02-21 19:55:53 +01:00
Vladimir Serbinenko 37353f0ae5 i386: Remove needless ADDR32 prefixes when address is known and fixed.
Shaves off 6 bytes in lzma_decompress.img.
2015-02-21 17:38:56 +01:00
Vladimir Serbinenko 1998d63688 i386-pc/boot: Explicitly mark kernel_address[_high] as local.
Otherwise apple asm might try to make accesses relocatable.
2015-02-21 17:20:10 +01:00
Vladimir Serbinenko bc29c6d019 Change dot assignmnet to more portable .org.
Binary is unchanged (verified)
2015-02-21 17:19:01 +01:00
Vladimir Serbinenko f571dc1af8 i386: Move from explicit ADDR32/DATA32 prefixes to instruction suffixes.
Is more portable.
Binary is unchanged (verified).
2015-02-21 17:13:23 +01:00
Vladimir Serbinenko bc8fcf4bd3 * grub-core/boot/i386/qemu/boot.S: Add missing EXT_C. 2013-12-14 23:13:42 +01:00
Vladimir Serbinenko 5c066a81c2 Apple assembly doesn't handle symbol arithmetic well. So define an
offset symbol in boot.S and use it.
2013-11-24 07:12:12 +01:00
Vladimir Serbinenko 78f961efe9 Apple assembly doesn't handle symbol arithmetic well. So instead
of getting addres of kernel_sector + 4 define kernel_sector_high.
	It also makes code more readable.
2013-11-24 07:11:00 +01:00
Vladimir Serbinenko 09bc0a577d With Apple assembly in .macro environvemnt you have to use $$ instead
of $. So introduce new preprocessor macro MACRO_DOLLAR(x) which expands
	to $$x on Apple and to $x on everything else.
2013-11-24 07:08:18 +01:00
Vladimir Serbinenko 6f2e82be3a * grub-core/boot/i386/pc/boot.S: Fix floppy probe. Due to missing
%dx restore the probe worked on non-existant drive. Reorganize the
	code a little bit to free 2 bytes necessary for push/pop.
2013-11-24 05:05:33 +01:00
Vladimir Serbinenko 1bba40f578 Move common BIOS/coreboot memory map declarations to
include/grub/i386/memory_raw.h and eliminate duplicate declarations.
2013-11-23 12:39:21 +01:00
Vladimir Serbinenko ad2dc00309 * grub-core/boot/i386/pc/startup_raw.S (grub_gate_a20): Remove
argument. We don't disable Gate A20 in this code.
2013-10-25 11:03:39 +02:00
Vladimir Serbinenko b46684ae53 * grub-core/boot/i386/qemu/boot.S: Ensure that A20 is enabled.
Conceptually based on change in branch "vbe-on-coreboot".
2013-10-25 10:51:58 +02:00
Josh Triplett 68b777070a * grub-core/boot/i386/pc/lnxboot.S: Re-add support for recording the
boot partition.
2013-09-23 14:31:42 +02:00
Andrey Borzenkov cc28411296 Fix make dist on non-pc. 2013-06-07 18:23:08 +02:00
Vladimir 'phcoder' Serbinenko b49fe8792a Move GRUB out of system area when using xorriso 1.2.9 or later. 2013-04-14 18:53:14 +02:00
Vladimir 'phcoder' Serbinenko f7143efe1b * grub-core/boot/i386/pc/startup_raw.S [__APPLE__]: Add Apple assembly
version.
	* grub-core/commands/i386/pc/drivemap_int13h.S [__APPLE__]: Likewise.
	* grub-core/kern/i386/pc/startup.S [__APPLE__]: Likewise.
	* grub-core/lib/i386/relocator16.S [__APPLE__]: Likewise.
	* grub-core/lib/i386/relocator_common.S [__APPLE__]: Likewise.
	* grub-core/mmap/i386/pc/mmap_helper.S [__APPLE__]: Likewise.
2012-05-28 17:51:57 +02:00
Vladimir 'phcoder' Serbinenko 52bfedfa39 * grub-core/boot/i386/pc/startup_raw.S (multiboot_trampoline): Fix
size calculation.
	* grub-core/kern/i386/realmode.S (realidt): Assume default BIOS IDT if
	none is known.
2012-03-08 18:54:25 +01:00
Vladimir 'phcoder' Serbinenko ef023e42a2 * grub-core/boot/i386/pc/startup_raw.S: Move decompressor_end to .bss
to ensure that it's after the last byte of .text.
2012-03-02 11:24:24 +01:00
Vladimir 'phcoder' Serbinenko fa6ec5734f * grub-core/boot/i386/pc/startup_raw.S: Use separate
reed_solomon_size const definition instead of computing it since
	Apple assembler doesn't support the later.
2012-02-29 19:12:16 +01:00
Vladimir 'phcoder' Serbinenko fb88381212 * grub-core/boot/i386/pc/diskboot.S (firstlist): Rename to ...
(LOCAL(firstlist)): ... this. Move it before the firstlist and not
	after. All users updated.
2012-02-29 15:26:42 +01:00
Vladimir 'phcoder' Serbinenko 94f064b4c9 Fix interrupt mixup from previous commit.
* include/grub/i386/pc/int.h (grub_i386_idt): New struct.
	(grub_realidt): New var.
	* grub-core/lib/i386/relocator16.S (grub_relocator16_idt): New variable
	Load idt.
	* grub-core/lib/i386/relocator.c (grub_relocator16_idt):
	New declaration.
	(grub_relocator16_boot): Set grub_relocator16_idt.
	* grub-core/kern/i386/realmode.S (realidt): Renamed to ...
	(LOCAL(realidt)): ... this.
	* grub-core/boot/i386/pc/startup_raw.S: Pass pointer to realidt in eax.
	* grub-core/kern/i386/pc/startup.S: Save pointer to realidt.
	(grub_realidt): New variable.
2012-02-26 22:10:13 +01:00
Vladimir 'phcoder' Serbinenko f37c87e1ba * grub-core/boot/i386/pc/lnxboot.S: Use
GRUB_DECOMPRESSOR_MAX_DECOMPRESSOR_SIZE.
	* grub-core/boot/i386/pc/startup_raw.S: Ensure about boot_dev
	location.
	* include/grub/offsets.h (GRUB_DECOMPRESSOR_I386_PC_BOOT_DEVICE): New
	definition.
	(GRUB_DECOMPRESSOR_I386_PC_MAX_DECOMPRESSOR_SIZE): Likewise.
2012-01-29 23:20:02 +01:00
Vladimir 'phcoder' Serbinenko 2e13ede59e Eliminate fixed limit on reed solomon decoder length.
* grub-core/boot/i386/pc/lnxboot.S: Scan for multiboot signature
	rather than hardcoding the address.
	* grub-core/boot/i386/pc/startup_raw.S: Add new data field
	no_reed_solomon_length.
	Move gate_a20 to no-reed-solomon part.
	Don't force a particular size of no reed-solomon part.
	* include/grub/offsets.h (GRUB_KERNEL_I386_PC_NO_REED_SOLOMON_PART):
	Removed.
	(GRUB_KERNEL_I386_PC_NO_REED_SOLOMON_LENGTH): New define.
	* util/grub-setup.c (setup): Read no_rs_length from the image itself.
2012-01-24 14:39:29 +01:00
Vladimir 'phcoder' Serbinenko 1f0b1a7730 * grub-core/boot/i386/pc/startup_raw.S: Add missing argument for
_LzmaDecodeA.
2011-12-23 10:21:27 +01:00
Vladimir 'phcoder' Serbinenko 276b7a8bdd * grub-core/boot/i386/pc/startup_raw.S: Clear direction flag for
certainety.
2011-12-15 19:22:36 +01:00
Vladimir 'phcoder' Serbinenko e3fd394a10 * grub-core/boot/i386/pc/startup_raw.S: Move realmode routines to
non-RS part to avoid RS messing with GDT.
	* include/grub/offsets.h (GRUB_KERNEL_I386_PC_NO_REED_SOLOMON_PART):
	Increase to suit in realmode routines.
2011-12-15 19:20:41 +01:00
Vladimir 'phcoder' Serbinenko b81d609e4c * grub-core/kern/i386/realmode.S: Increase alignment.
* grub-core/boot/i386/pc/startup_raw.S: Likewise.
2011-12-15 19:17:36 +01:00
Vladimir 'phcoder' Serbinenko 5fbdac149b Defer multiboot device parsing until we're in compressed part.
* grub-core/boot/i386/pc/lnxboot.S: Remove setting dos_part and
	bsd_part. setdevice has fallen into disuse.
	* grub-core/boot/i386/pc/startup_raw.S (dos_part): Removed.
	(bsd_part): Likewise.
	(boot_dev): New variable.
	(multiboot_trampoline): Don't parse multiboot device.
	Pass multiboot device in %edx.
	* grub-core/disk/i386/pc/biosdisk.c (GRUB_MOD_INIT): Parse
	grub_boot_device.
	* grub-core/kern/i386/pc/init.c (grub_machine_get_bootlocation):
	Likewise.
	* grub-core/kern/i386/pc/startup.S: Save edx.
	(grub_boot_drive): Removed.
	(grub_install_dos_part): Likewise.
	(grub_install_bsd_part): Likewise.
	(grub_boot_device): New variable.
	* include/grub/i386/pc/kernel.h (grub_install_dos_part): Removed.
	(grub_install_bsd_part): Likewise.
	(grub_boot_drive): Likewise.
	(grub_boot_device): New variable.
	* include/grub/offsets.h (GRUB_KERNEL_I386_PC_INSTALL_DOS_PART):
	Removed.
	(GRUB_KERNEL_I386_PC_INSTALL_BSD_PART): Likewise.
	(GRUB_KERNEL_I386_PC_REED_SOLOMON_REDUNDANCY): Moved lower.
	(GRUB_KERNEL_MACHINE_INSTALL_BSD_PART): Removed.
	(GRUB_KERNEL_MACHINE_INSTALL_DOS_PART): Likewise.
	* util/grub-install.in: Remove redundant condition.
2011-11-12 21:12:52 +01:00
Vladimir 'phcoder' Serbinenko 691cbb5816 Fix bug introduced by previous commit.
* grub-core/boot/i386/pc/startup_raw.S: Compute RS start correctly.
2011-11-12 20:53:46 +01:00
Vladimir 'phcoder' Serbinenko 60240b8bc1 Use decompressors framework on i386-pc. It increases core size
by 46 bytes but improves compatibility and maintainability.

	* grub-core/Makefile.core.def (lzma_decompress): New image.
	(kernel): Add i386_pc_ldflags.
	* grub-core/kern/i386/pc/startup.S: Move intial part to ..
	* grub-core/boot/i386/pc/startup_raw.S: ... here. Pass pointers
	to real_to_prot, prot_to_real and device info.
	* include/grub/offsets.h: Renamed decompressor offsets.
	* util/grub-mkimage.c (grub_compression_t): New cmpression lzma.
	(image_target_desc): Remove raw_size and rename decompressor fields.
	(compress_kernel): Handle lzma.
	(generate_image): Handle decompressors on i386-pc.
2011-11-12 19:53:25 +01:00
Vladimir 'phcoder' Serbinenko de9c615e5c Removed unused GRUB_BOOT_VERSION. Check for kernel version is better
done with a dedicated section.

	* grub-core/boot/sparc64/ieee1275/boot.S: Remove GRUB_BOOT_VERSION.
	Ensure the correct position of boot_path.
	* grub-core/kern/i386/efi/startup.S: Remove GRUB_BOOT_VERSION.
	* grub-core/kern/i386/pc/startup.S: Likewise. Ensure correct position of
	other fields.
	* grub-core/kern/x86_64/efi/startup.S: Remove GRUB_BOOT_VERSION.
	* include/grub/boot.h: Removed. All references removed.
	* include/grub/sparc64/ieee1275/boot.h (GRUB_BOOT_MACHINE_VER_MAJ):
	Removed.
	(GRUB_BOOT_MACHINE_BOOT_DEVPATH): Make it lower.
2011-10-19 23:01:44 +02:00
Colin Watson 9b43bf396a * grub-core/boot/i386/pc/lnxboot.S (real_code_2): Ensure that the
initial chunk read from the kernel always includes GRUB's multiboot
header, which is now outside the first sector.
2011-03-11 11:51:10 +00:00
Mirko Parthey 5c408d0f50 * grub-core/boot/i386/pc/boot.S: Fix %es:%bx pointing to nowhere on
floppy probe.
2010-12-26 20:49:08 +01:00
Vladimir 'phcoder' Serbinenko edde54e656 * grub-core/boot/i386/pc/lnxboot.S: Replace
GRUB_KERNEL_I386_PC_MULTIBOOT_SIGNATURE with
	GRUB_KERNEL_I386_PC_NO_REED_SOLOMON_PART.
2010-09-29 22:45:57 +02:00
Vladimir 'phcoder' Serbinenko e0337366d1 * grub-core/boot/i386/pc/boot.S: Ignore %dl if it's not in a sane range. 2010-09-20 00:06:45 +02:00
Vladimir 'phcoder' Serbinenko df3df23d5c Reorganise memory map handling 2010-09-04 17:10:10 +02:00
Vladimir 'phcoder' Serbinenko c8e7bf5ff7 Compress grub_prefix.
* grub-core/boot/i386/pc/lnxboot.S: Use
	GRUB_KERNEL_I386_PC_MULTIBOOT_SIGNATURE.
	* grub-core/kern/i386/pc/startup.S: Move grub_prefix to compressed part.
	* include/grub/offsets.h: Rename GRUB_MACHINE_DATA_END to
	GRUB_MACHINE_PREFIX_END. All users updated.
	(GRUB_KERNEL_I386_PC_PREFIX): Set to GRUB_KERNEL_I386_PC_RAW_SIZE.
	(GRUB_KERNEL_I386_PC_PREFIX_END): Set to GRUB_KERNEL_I386_PC_PREFIX
	+ 0x40.
	(GRUB_KERNEL_I386_PC_RAW_SIZE): Decrease.
	* util/grub-mkimage.c (image_target_desc): Change data_end to
	prefix_end. All users updated.
2010-09-03 14:54:04 +02:00
Vladimir 'phcoder' Serbinenko 671404469c Handle USB pendrives exposed as floppies.
* grub-core/boot/i386/pc/boot.S: Check LBA even on what appears to be
	floppy.
	* grub-core/disk/i386/pc/biosdisk.c (grub_biosdisk_open): Likewise.
	Check for partitions on all devices.
2010-08-27 03:44:55 +02:00
BVK Chaitanya 297f0c2b6e merge with mainline 2010-07-13 00:43:28 +05:30
BVK Chaitanya 692d7c2855 pull-in emu-lite branch 2010-05-26 17:49:05 +05:30
BVK Chaitanya 8c41176882 automake commit without merge history 2010-05-06 11:34:04 +05:30