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2008-05-30x86: move x86-specific documentation into Documentation/x86H. Peter Anvin1-900/+0
The current organization of the x86 documentation makes it appear as if the "i386" documentation doesn't apply to x86-64, which is does. Thus, move that documentation into Documentation/x86, and move the x86-64-specific stuff into Documentation/x86/x86_64 with the eventual goal to move stuff that isn't actually 64-bit specific back into Documentation/x86. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2008-05-30x86: update Documentation/i386/boot.txtH. Peter Anvin1-33/+46
Document QUIET_FLAG, correct the definition of several fields, make it clear this applies to the entire x86 architecture, not just i386. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2008-04-29x86: add more boot protocol documentationIan Campbell1-2/+10
Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Acked-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-04-26x86, boot: Document for linked list of struct setup_dataHuang, Ying1-0/+26
Documentation for linked list of struct setup_data. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-04-17x86: boot protocol updatesIan Campbell1-8/+10
Also update field names to simply payload_{offset,length} so as to not rule out uncompressed images. Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: virtualization@lists.linux-foundation.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-04-17x86: add a crc32 checksum to the kernel image.Ian Campbell1-0/+8
Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-04-17x86: use ELF format in compressed images.Ian Campbell1-0/+18
Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Cc: Ian Campbell <ijc@hellion.org.uk> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: virtualization@lists.linux-foundation.org Cc: H. Peter Anvin <hpa@zytor.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: virtualization@lists.linux-foundation.org Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-30x86 boot: document for 32 bit boot protocolHuang, Ying1-0/+38
This patch documents the 32-bit boot protocol of x86. It has been used by Kexec and LinuxBIOS. This patch is based on the proposal of Peter Anvin. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2007-10-22update boot spec to 2.07Rusty Russell1-1/+33
Updates for version 2.07 of the boot protocol. This includes: load_flags.KEEP_SEGMENTS- flag to request/inhibit segment reloads hardware_subarch - what subarchitecture we're booting under hardware_subarch_data - per-architecture data The intention of these changes is to make booting a paravirtualized kernel work via the normal Linux boot protocol. Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: H. Peter Anvin <hpa@zytor.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-23boot documentation: clarificationsH. Peter Anvin1-10/+22
Textual clarifications (and fix an off-by-one error) based on feedback mostly from Jeremy Fitzhardinge. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-18Further update of the i386 boot documentationH. Peter Anvin1-82/+303
A number of items in the i386 boot documentation have been either vague, outdated or hard to read. This text revision adds several more examples, including a memory map for a modern kernel load. It also adds a field-by-field detailed description of the setup header, and a bootloader ID for Qemu. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-08Documentation/i386/boot.txt: update and correctH. Peter Anvin1-23/+78
In the process of rewriting the x86 setup code, I found a number of inaccuracies and outdated recommendations in the boot protocol documentation. Revamp to make it more up to date. In particular, the common use of the heap actually requires (slightly) more than 4K of heap plus stack, which is the recommended amount in the document; currently the code compensates by being smaller than specified, but we can't assume that will be true forever. Thus, recommend that if we have a modern bzImage kernel, that the bootloader maximizes the available space. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-02[PATCH] x86: add command line length to boot protocolBernhard Walle1-6/+17
Because the command line is increased to 2048 characters after 2.6.21, it's not possible for boot loaders and userspace tools to determine the length of the command line the kernel can understand. The benefit of knowing the length is that users can be warned if the command line size is too long which prevents surprise if things don't work after bootup. This patch updates the boot protocol to contain a field called "cmdline_size" that contain the length of the command line (excluding the terminating zero). The patch also adds missing fields (of protocol version 2.05) to the x86_64 setup code. Signed-off-by: Bernhard Walle <bwalle@suse.de> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Alon Bar-Lev <alon.barlev@gmail.com> Acked-by: H. Peter Anvin <hpa@zytor.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2007-01-26[PATCH] Boot loader ID for GujinH. Peter Anvin1-1/+2
Add an official boot loader ID for Gujin. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2006-12-07[PATCH] x86-64: Correct documentation for bzImage protocol v2.05Vivek Goyal1-3/+3
Correct the documentation for bzImage protocol extension due to relocatable bzImage. Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Andi Kleen <ak@suse.de> Acked-by: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@osdl.org>
2006-12-07[PATCH] i386: extend bzImage protocol for relocatable protected mode kernelVivek Goyal1-0/+4
Extend bzImage protocol to enable bootloaders to load a completely relocatable bzImage. Now protected mode component of kernel is also relocatable and a boot-loader can load the protected mode component at a differnt physical address than 1MB. (If kernel was built with CONFIG_RELOCATABLE) Kexec can make use of it to load this kernel at a different physical address to capture kernel crash dumps. Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org>
2006-09-13[PATCH] x86: reserve a boot-loader ID number for XenJeremy Fitzhardinge1-0/+1
Claim an ID number for Xen in the LOADER_TYPE field. Also, keep the table in zero-page.txt consistent with boot.txt. [hpa says: 6 was skipped because I couldn't rule out that it hadn't been unofficially used. It seemed easier to skip it for now.] Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Acked-by: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-07[PATCH] Make the bzImage format self-terminatingH. Peter Anvin1-13/+22
Signed-off-by: H. Peter Anvin <hpa@zytor.com> Cc: Frank Sorenson <frank@tuxrocks.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-04-16Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds1-0/+441
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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