Re: Linux DRTM on UEFI platforms

2022-08-11 Thread Brendan Trotter
Hi, On Fri, Aug 12, 2022 at 3:55 AM Matthew Garrett wrote: > On Thu, Aug 11, 2022 at 07:25:58PM +0930, Brendan Trotter wrote: > > On Thu, Aug 11, 2022 at 3:16 AM Matthew Garrett wrote: > > > The kernel has no way to know this - *any* code you've run before > > >

Re: Linux DRTM on UEFI platforms

2022-08-11 Thread Brendan Trotter
Hi, On Thu, Aug 11, 2022 at 3:16 AM Matthew Garrett wrote: > On Wed, Aug 10, 2022 at 06:37:18PM +0930, Brendan Trotter wrote: > > > [1] doesn't provide any useful information. How does a kernel know > > that the callback provided by boot loader actually measures what it&#x

Re: Linux DRTM on UEFI platforms

2022-08-10 Thread Brendan Trotter
Hi, On Tue, Aug 9, 2022 at 8:25 PM Daniel P. Smith wrote: > On 7/23/22 01:15, Brendan Trotter wrote: > > On Sat, Jul 23, 2022 at 2:53 AM Daniel P. Smith > > wrote: > >> On 7/7/22 23:36, Brendan Trotter wrote: > >>> On Thu, Jul 7, 2022 at 7:18 PM Daniel P. Smi

Re: Linux DRTM on UEFI platforms

2022-07-22 Thread Brendan Trotter
Hi, On Sat, Jul 23, 2022 at 2:53 AM Daniel P. Smith wrote: > On 7/7/22 23:36, Brendan Trotter wrote: > > On Thu, Jul 7, 2022 at 7:18 PM Daniel P. Smith > > wrote: > >> On 7/5/22 20:03, Brendan Trotter wrote: > >>> On Wed, Jul 6, 2022 at 4:52 AM Daniel P. Smit

Re: Linux DRTM on UEFI platforms

2022-07-07 Thread Brendan Trotter
Hi, On Thu, Jul 7, 2022 at 7:18 PM Daniel P. Smith wrote: > On 7/5/22 20:03, Brendan Trotter wrote: > Greetings! > > Not sure why I got dropped from distro, but no worries. > > > On Wed, Jul 6, 2022 at 4:52 AM Daniel P. Smith > > wrote: > >> On 6/10/22 12:4

Re: Linux DRTM on UEFI platforms

2022-07-05 Thread Brendan Trotter
Hi, On Wed, Jul 6, 2022 at 4:52 AM Daniel P. Smith wrote: > On 6/10/22 12:40, Ard Biesheuvel wrote:> On Thu, 19 May 2022 at 22:59, > To help provide clarity, consider the following flows for comparison, > > Normal/existing efi-stub: > EFI -> efi-stub -> head_64.S > > Proposed secure launch: >

Re: the rootcause of the grub2 that can support USB keyboard

2018-08-21 Thread Brendan Trotter
Hi, On 8/21/18, Sherry Zhang(BJ-RD) wrote: > But I have found the USB keyboard module-usb_keyboard.mod that I don't load > , > So why the usb keyboard can be used when I don't load usb modules? A better question is, why does "module-usb_keyboard.mod" exist in the first place? In theory, GRUB sho

Re: Grub2: add UEFI support for accessing memory address above 4GB.

2017-03-08 Thread Brendan Trotter
Hi, > Le 7 mars 2017 17:24, "Vladimir 'phcoder' Serbinenko" a écrit : > > I'd like to know more about the usecase. Generally you should avoid downloading or loading too large files in bootloader. I.a. TFTP protocol has problems with files over about 100MIB. Generally you should download only kern

Re: chained grub2 derivative bootauto system

2012-08-31 Thread Brendan Trotter
Hi, On Fri, Aug 31, 2012 at 11:59 PM, Lennart Sorensen wrote: > On Fri, Aug 31, 2012 at 09:19:43AM +1000, Philip Rhoades wrote: >> Ivo, >> >> Interesting idea - I particularly like the idea of booting from >> arbitrary isos. > > Too bad that accessing an iso on a usb key is nothing like an actual

Re: RFC: New multiboot2 memory map entry type

2011-12-23 Thread Brendan Trotter
Hi, On Sat, Dec 24, 2011 at 3:01 PM, Seth Goldberg wrote: >> On 09.11.2011 06:25, Seth Goldberg wrote: >>> The proposal is to add an additional type (value = 6) that denotes runtime >>> memory that some firmware marks as required to be mapped to take advantage >>> of services after the end of b

Re: Legacy GRUB to GRUB2

2011-07-21 Thread Brendan Trotter
Hi, On Thu, Jul 21, 2011 at 2:44 PM, Yash Jain wrote: > Could you please let me know how can i upgrade to GRUB2(because > trusted GRUB is based on legacy GRUB) or it is still fine if i can use > the legacy GRUB to load kernel 2.6.37. I'm still using GRUB-legacy with "linux-2.6.38-gentoo-r6", and

Re: Contribution: a file loading module

2011-06-24 Thread Brendan Trotter
Hi, Note: I am me. I speak on behalf of myself only, and don't represent the views of the GRUB team in any way. On Fri, Jun 24, 2011 at 7:03 PM, Pierre-Nicolas Clauss wrote: > Are you saying that : > > kernel /my_multiboot_kernel > chainloader /my_chainloader > boot > > will load the kernel as p

Re: Two Small Patches (x86 VolId & Sun Label Checking)

2010-12-29 Thread Brendan Trotter
Hi, 2010/12/27 Vladimir 'φ-coder/phcoder' Serbinenko : > On 12/26/2010 10:15 PM, ehem+g...@m5p.com wrote: >> Quite simple, the disk slice scheme detection routines vary in the >> quality of their detection. In particular, the MSDOS-style detection is >> *extremely* brittle. The only even mildly di

Re: RFC: Plan for new "hwmatch" command

2010-11-18 Thread Brendan Trotter
Hi, On Thu, Nov 18, 2010 at 3:28 PM, Evan Broder wrote: >   Based on some off-list discussion, I'd like to try a different > angle for the Lua patches I submitted a week or two ago. For context, > Ubuntu is interested in setting gfxpayload=keep as often as we can in > the next release [1]. Since

Re: Guidance on conflicts between GNU GRUB and proprietary software

2010-09-24 Thread Brendan Trotter
Hi, Just thought I'd throw my 2 cents in.. Any software (except the software that "owns" the MBR) that uses any sectors that are in the first track with the MBR and outside of any partition (e.g. before the first partition) is broken. Not only will this broken software (potentially) conflict with

Re: Improperly nested partitions, help needed!

2010-09-22 Thread Brendan Trotter
Hi, 2010/9/23 Vladimir 'φ-coder/phcoder' Serbinenko : > On 09/22/2010 07:44 PM, Lennart Sorensen wrote: >> On Wed, Sep 22, 2010 at 07:08:49PM +0200, Grégoire Sutre wrote: >>> On 09/22/2010 18:44, Lennart Sorensen wrote: >>> After all msdos partitions tables may only exist in MBR and extended

Re: 3. Re: LiveCD bootloader

2010-09-15 Thread Brendan Trotter
Hi, 2010/9/15 Dmitry Ilyin : > I guess it is possible to chainload to real cdrom in your drive same way we > chainload to windows partition, you can also use script (grub or lua) to > determine that your drive is not empty and show chainload menu entry. > > Or if you cannot chainload perhaps you

Re: LiveCD bootloader

2010-09-08 Thread Brendan Trotter
Hi, On Thu, Sep 9, 2010 at 8:30 AM, Teresa e Junior wrote: > What do you mean with that? Let us suppose, I set: > > GRUB_GFXMODE=1280x800,1024x768,640x480 > > and if the hardware supports the first, it will use the first, and so > forth? Not all of my previous assumptions were obsolete (and this

Re: LiveCD bootloader

2010-09-07 Thread Brendan Trotter
Hi, On Wed, Sep 8, 2010 at 2:39 PM, Brendan Trotter wrote: > GRUB and Linux use "video mode numbers" to request a video mode. These > video mode numbers can be different for different video cards. Early > versions of VBE did define some standard mode numbers, but these >

Re: LiveCD bootloader

2010-09-07 Thread Brendan Trotter
Hi, On Wed, Sep 8, 2010 at 12:12 PM, Teresa e Junior wrote: > But due to some features I need (not the eyecandy), I noticed the CD > only boots without gfx support (which is the most important for me). You can't really safely use graphics support in a Live-CD anyway. GRUB and Linux use "video m

Re: [RFC] Detect other software using embedding area

2010-08-31 Thread Brendan Trotter
Hi, On Tue, Aug 31, 2010 at 8:28 PM, Colin Watson wrote: > When I blogged about this recently (and rather unexpectedly ended up on > Slashdot), several people followed up to say that GRUB shouldn't be > using the embedding area because it was never defined to be used for > anything in particular

Re: my thoughts about grub 2

2010-08-18 Thread Brendan Trotter
Hi, On Thu, Aug 19, 2010 at 3:27 AM, Lennart Sorensen wrote: > On Thu, Aug 19, 2010 at 03:18:53AM +0930, Brendan Trotter wrote: >> Um, what? > > Well at least update-grub reads from /etc to generate the final config > (which is still /boot/grub/grub.cfg, so it does go in /boot,

Re: my thoughts about grub 2

2010-08-18 Thread Brendan Trotter
Hi, On Thu, Aug 19, 2010 at 12:14 AM, Lennart Sorensen wrote: > On Wed, Aug 18, 2010 at 04:42:20PM +0930, Brendan Trotter wrote: >> On Wed, Aug 18, 2010 at 12:35 PM, BVK Chaitanya wrote: >> > If you could list out specific instances of what you felt is >> > diffic

Re: my thoughts about grub 2

2010-08-18 Thread Brendan Trotter
Hi, On Wed, Aug 18, 2010 at 12:35 PM, BVK Chaitanya wrote: > If you could list out specific instances of what you felt is > difficult, then it would be a lot helpful. A general comment like, > "its not good or difficult" does not give any chance for improvements. If the English language was rad

Re: Multiboot2 Suggestions

2010-04-21 Thread Brendan Trotter
Hi, 2010/4/21 Vladimir 'φ-coder/phcoder' Serbinenko : > Brendan Trotter wrote: >> Where possible, I currently use the EDID information to determine the >> physical size of the monitor (e.g. "520 mm wide and 320 mm high"), and >> then scale font data, et

Re: Multiboot2 Suggestions

2010-04-09 Thread Brendan Trotter
Hi, 2010/4/10 Vladimir 'φ-coder/phcoder' Serbinenko : >> Making sense out of arbitrary termcap strings isn't easy - it would >> add a large amount of mess to early OS initialisation code (which >> typically doesn't even have C library functions to rely on). A single >> integer saying "which protoc

Re: Multiboot2 Suggestions

2010-04-04 Thread Brendan Trotter
Hi, 2010/4/3 Vladimir 'φ-coder/phcoder' Serbinenko : > Brendan Trotter wrote: >> 1) If GRUB was using a serial port as a console device (e.g. on a >> headless system) it'd be nice if the OS could continue using the same >> serial port with the same configuratio

Multiboot2 Suggestions

2010-03-28 Thread Brendan Trotter
Hi, 2010/3/28 Vladimir 'φ-coder/phcoder' Serbinenko : > Also I'm aware that at least some people want more tags. Feel free to > propose new ones. > In short all ammendment ideas are welcome. Here's my list.. :-) 1) If GRUB was using a serial port as a console device (e.g. on a headless system) i

Re: help ragarding Multiprocessor(MP) Configuration Table

2009-12-23 Thread Brendan Trotter
Hi, On Thu, Dec 24, 2009 at 1:09 AM, mandar naik wrote: > So we wanted to know how & what MP information is made available to grub on > Intel core2duo architecture if MP Floating Point structure & MP > configuration table are not present. > If Intel core2duo architecture is one of default configu

Re: Using network informations from PXE as grub2 enviroment variables

2009-10-19 Thread Brendan Trotter
Hi, On Sat, Oct 17, 2009 at 4:42 AM, Pavel Pisa wrote: > As for scalability, I agree, that use of single config file with checking > for each IP is horrible hack, but there is no problem to source > to another IP specific file (menu-xxx.xxx.xxx.xxx.lst) with separate > menu configuration when own

Re: Handling multiple cores by GRUB

2009-10-12 Thread Brendan Trotter
Hi, On Mon, Oct 12, 2009 at 10:51 PM, Swapnil Pimpale wrote: > Actually we are doing an academic project in which we need to have two cores > of Intel Core 2 Duo, running inside the GRUB simultaneously. For that we > need to send an IPI from primary core to the secondary core.  Can you > suggest

Re: About firmware facilities

2009-09-20 Thread Brendan Trotter
Hi, On Sat, Sep 19, 2009 at 11:36 PM, Vladimir 'phcoder' Serbinenko wrote: > Brendan Trotter wrote: >>> No. Usuable means only that firmware isn't destroyed. Any device may >>> be in a different state >> >> Any device (that the firmware as

Re: About firmware facilities

2009-09-15 Thread Brendan Trotter
Hi, On Tue, Sep 15, 2009 at 6:29 PM, Vladimir 'phcoder' Serbinenko wrote: > On Tue, Sep 15, 2009 at 1:23 AM, Brendan Trotter wrote: >> On Tue, Sep 15, 2009 at 6:19 AM, Vladimir 'phcoder' Serbinenko >> wrote: >>> On Mon, Sep 14, 2009 at 10:12 PM, Bren

Re: About firmware facilities

2009-09-14 Thread Brendan Trotter
Hi, On Tue, Sep 15, 2009 at 9:58 AM, Colin Watson wrote: > On Tue, Sep 15, 2009 at 09:26:55AM +0930, Brendan Trotter wrote: >> An OS could choose to use the information provided by GRUB, or choose >> to ignore the information provided by GRUB. > > Sure, but the less code th

Re: About firmware facilities

2009-09-14 Thread Brendan Trotter
Hi, On Tue, Sep 15, 2009 at 9:13 AM, Colin Watson wrote: > I don't have relevant experience regarding multiboot in general, but ... > > On Tue, Sep 15, 2009 at 08:53:12AM +0930, Brendan Trotter wrote: >> The same would apply to internationalization - GRUB should tell the

Re: About firmware facilities

2009-09-14 Thread Brendan Trotter
Hi, On Tue, Sep 15, 2009 at 6:19 AM, Vladimir 'phcoder' Serbinenko wrote: > On Mon, Sep 14, 2009 at 10:12 PM, Brendan Trotter wrote: >> On Tue, Sep 15, 2009 at 4:41 AM, Pavel Roskin wrote: >>> On Tue, 2009-09-15 at 04:27 +0930, Brendan Trotter wrote: >>&g

Re: About firmware facilities

2009-09-14 Thread Brendan Trotter
Hi, On Tue, Sep 15, 2009 at 4:41 AM, Pavel Roskin wrote: > On Tue, 2009-09-15 at 04:27 +0930, Brendan Trotter wrote: >> Hi, >> >> On Tue, Sep 15, 2009 at 1:02 AM, Robert Millan wrote: >> > Well, you have the freedom to disagree with anything we do and bring

Re: About firmware facilities

2009-09-14 Thread Brendan Trotter
Hi, On Tue, Sep 15, 2009 at 1:02 AM, Robert Millan wrote: > Well, you have the freedom to disagree with anything we do and bring your > customized GRUB to a different direction :-) > > Anyhow, my priority for GRUB is strong driver-based support. We could recruit > someone to develop the framewor