From: "Antonino A. Daplas" <adaplas@hotpop.com>
To: Jon Smirl <jonsmirl@gmail.com>
Cc: Kendall Bennett <kendallb@scitechsoft.com>,
linux-kernel@vger.kernel.org,
penguinppc-team@lists.penguinppc.org,
linux-fbdev-devel@lists.sourceforge.net
Subject: Re: [Linux-fbdev-devel] Generic VESA framebuffer driver and Video card BOOT?
Date: Sat, 16 Oct 2004 09:50:32 +0800 [thread overview]
Message-ID: <200410160946.32644.adaplas@hotpop.com> (raw)
In-Reply-To: <9e47339104101516206c8597d3@mail.gmail.com>
On Saturday 16 October 2004 07:20, Jon Smirl wrote:
> On Sat, 16 Oct 2004 05:51:38 +0800, Antonino A. Daplas
>
> <adaplas@hotpop.com> wrote:
> > Yes, that is the downside to a userspace solution. How bad will that be?
> > Note that Jon Smirl is proposing a temporary console driver for early
> > boot messages until the primary console driver activates.
>
> Does anyone know exactly how big the window is from when a compiled in
> console activates until one that relies on initramfs loads? I don't
> think it is very big given that a lot of the early printk's are queued
> before they are displayed.
There's a log of initialization that goes on between console_init() and
populate_rootfs(). However, console_init() will only initialize built-in
consoles (as pointed to by conswitchp) such as vgacon or dummycon.
However, the framebuffer system initialization does happen after
populate_rootfs().
So, at least in the framebuffer perspective, the emulator/video boot may be
loaded as part of initramfs.
Tony
WARNING: multiple messages have this Message-ID (diff)
From: "Antonino A. Daplas" <adaplas@hotpop.com>
To: linux-fbdev-devel@lists.sourceforge.net, Jon Smirl <jonsmirl@gmail.com>
Cc: Kendall Bennett <kendallb@scitechsoft.com>,
linux-kernel@vger.kernel.org,
penguinppc-team@lists.penguinppc.org,
linux-fbdev-devel@lists.sourceforge.net
Subject: Re: [Linux-fbdev-devel] Generic VESA framebuffer driver and Video card BOOT?
Date: Sat, 16 Oct 2004 09:50:32 +0800 [thread overview]
Message-ID: <200410160946.32644.adaplas@hotpop.com> (raw)
In-Reply-To: <9e47339104101516206c8597d3@mail.gmail.com>
On Saturday 16 October 2004 07:20, Jon Smirl wrote:
> On Sat, 16 Oct 2004 05:51:38 +0800, Antonino A. Daplas
>
> <adaplas@hotpop.com> wrote:
> > Yes, that is the downside to a userspace solution. How bad will that be?
> > Note that Jon Smirl is proposing a temporary console driver for early
> > boot messages until the primary console driver activates.
>
> Does anyone know exactly how big the window is from when a compiled in
> console activates until one that relies on initramfs loads? I don't
> think it is very big given that a lot of the early printk's are queued
> before they are displayed.
There's a log of initialization that goes on between console_init() and
populate_rootfs(). However, console_init() will only initialize built-in
consoles (as pointed to by conswitchp) such as vgacon or dummycon.
However, the framebuffer system initialization does happen after
populate_rootfs().
So, at least in the framebuffer perspective, the emulator/video boot may be
loaded as part of initramfs.
Tony
next prev parent reply other threads:[~2004-10-16 1:50 UTC|newest]
Thread overview: 92+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-14 19:02 Generic VESA framebuffer driver and Video card BOOT? Kendall Bennett
2004-10-14 19:59 ` Zachary Smith
2004-10-15 23:36 ` Ian Romanick
2004-10-14 20:48 ` Zachary Smith
2004-10-15 18:05 ` Kendall Bennett
2004-10-15 18:55 ` Zachary Smith
2004-10-15 19:18 ` Geert Uytterhoeven
2004-10-15 22:22 ` Kendall Bennett
2004-10-15 0:27 ` [Linux-fbdev-devel] " Antonino A. Daplas
2004-10-15 0:27 ` Antonino A. Daplas
2004-10-15 18:36 ` Kendall Bennett
2004-10-15 21:51 ` Antonino A. Daplas
2004-10-15 21:51 ` Antonino A. Daplas
2004-10-15 23:20 ` Jon Smirl
2004-10-15 23:51 ` Kendall Bennett
2004-10-15 23:58 ` Jon Smirl
2004-10-19 21:15 ` Pavel Machek
2004-10-16 1:50 ` Antonino A. Daplas [this message]
2004-10-16 1:50 ` Antonino A. Daplas
2004-10-16 2:03 ` Jon Smirl
2004-10-18 19:34 ` Kendall Bennett
2004-10-18 19:34 ` [Linux-fbdev-devel] " Kendall Bennett
2004-10-18 20:34 ` Richard Smith
2004-10-18 20:34 ` [Linux-fbdev-devel] " Richard Smith
2004-10-18 20:47 ` Kendall Bennett
2004-10-18 21:04 ` Richard Smith
2004-10-18 21:16 ` Jon Smirl
2004-10-18 22:34 ` Richard Smith
2004-10-18 22:34 ` [Linux-fbdev-devel] " Richard Smith
2004-10-18 23:28 ` Jon Smirl
2004-10-19 0:18 ` Richard Smith
2004-10-19 0:18 ` [Linux-fbdev-devel] " Richard Smith
2004-10-19 0:55 ` Kendall Bennett
2004-10-19 1:39 ` Richard Smith
2004-10-19 1:39 ` [Linux-fbdev-devel] " Richard Smith
2004-10-19 17:54 ` Kendall Bennett
2004-10-19 17:54 ` [Linux-fbdev-devel] " Kendall Bennett
2004-10-19 21:48 ` Pavel Machek
2004-10-20 17:01 ` Kendall Bennett
2004-10-20 17:01 ` [Linux-fbdev-devel] " Kendall Bennett
2004-10-20 19:08 ` Pavel Machek
2004-10-21 19:36 ` Kendall Bennett
2004-10-21 19:36 ` [Linux-fbdev-devel] " Kendall Bennett
2004-10-19 21:42 ` Pavel Machek
2004-10-15 12:05 ` Gerd Knorr
2004-10-15 12:38 ` Geert Uytterhoeven
2004-10-15 12:45 ` Alan Cox
2004-10-19 21:54 ` Pavel Machek
2004-10-15 13:13 ` Gerd Knorr
2004-10-17 12:07 ` Martin Waitz
2004-10-18 8:36 ` Gerd Knorr
2004-10-18 8:36 ` [Linux-fbdev-devel] " Gerd Knorr
2004-10-18 11:39 ` Martin Waitz
2004-10-18 12:10 ` Gerd Knorr
2004-10-18 12:10 ` [Linux-fbdev-devel] " Gerd Knorr
2004-10-18 20:21 ` Helge Hafting
2004-10-18 20:42 ` Oliver Neukum
2004-10-19 16:57 ` Martin Waitz
2004-10-15 18:29 ` Venkatesh Pallipadi
2004-10-16 9:01 ` Nigel Cunningham
2004-10-16 9:01 ` [Linux-fbdev-devel] " Nigel Cunningham
2004-10-15 18:36 ` Kendall Bennett
2004-10-15 13:48 ` Helge Hafting
2004-10-15 13:48 ` Helge Hafting
2004-10-15 18:36 ` Kendall Bennett
2004-10-15 21:44 ` Helge Hafting
2004-10-15 22:12 ` Kendall Bennett
2004-10-16 0:41 ` [Linux-fbdev-devel] " Antonino A. Daplas
2004-10-16 0:41 ` Antonino A. Daplas
2004-10-26 11:14 ` Paulo Marques
2004-10-26 11:14 ` Paulo Marques
2004-10-27 1:58 ` Kendall Bennett
2004-10-27 11:11 ` Paulo Marques
2004-10-27 19:52 ` Kendall Bennett
2004-10-27 19:52 ` Kendall Bennett
2004-10-15 21:51 ` Antonino A. Daplas
2004-10-15 21:51 ` Antonino A. Daplas
2004-10-16 17:44 ` Jon Smirl
2004-10-16 17:44 ` Jon Smirl
2004-10-18 19:34 ` Kendall Bennett
2004-10-18 19:34 ` [Linux-fbdev-devel] " Kendall Bennett
2004-10-19 21:00 ` Pavel Machek
2004-10-19 21:11 ` Pavel Machek
2004-10-20 17:01 ` Kendall Bennett
2004-10-20 17:01 ` [Linux-fbdev-devel] " Kendall Bennett
2004-10-20 17:31 ` Pavel Machek
2004-10-20 18:44 ` Kendall Bennett
2004-10-20 18:44 ` [Linux-fbdev-devel] " Kendall Bennett
2004-10-20 19:10 ` Pavel Machek
2004-10-21 19:36 ` Kendall Bennett
2004-10-21 19:36 ` [Linux-fbdev-devel] " Kendall Bennett
2004-10-21 20:47 ` Richard Smith
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