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Differential D27420

loader: implement framebuffer console
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Authored by tsoome on Nov 30 2020, 1:09 PM.
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rG3630506b9dae: loader: implement framebuffer console
Summary

Draw console on efi.
Add vbe framebuffer for BIOS loader (vbe off, vbe on, vbe list, vbe set xxx).
autoload font (/boot/fonts) based on resolution and font size.
Add command loadfont (set font by file) and
variable screen.font (set font by size). Pass loaded font to kernel.

Export variables:
screen.height
screen.width
screen.depth
kern.vt.fb.default_mode

Add gfx primitives to draw the screen and put png image on the screen.
Rework menu draw to iterate list of consoles to enamble device specific
output.

Probably something else I forgot...

Diff Detail

Repository
rS FreeBSD src repository - subversion
Lint
Lint Passed
Unit
No Test Coverage
Build Status
Buildable 35150
Build 32103: arc lint + arc unit

Event Timeline

tsoome created this revision.Nov 30 2020, 1:09 PM
Herald added a reviewer: manpages. · View Herald TranscriptNov 30 2020, 1:09 PM
Herald added subscribers: bcran, imp. · View Herald Transcript
tsoome requested review of this revision.Nov 30 2020, 1:09 PM
Harbormaster completed remote builds in B35119: Diff 80147.Nov 30 2020, 1:09 PM
freqlabs added a subscriber: freqlabs.Nov 30 2020, 2:39 PM
freqlabs added inline comments.
stand/lua/color.lua
59

👍 👍 👍

tsoome updated this revision to Diff 80152.Nov 30 2020, 3:28 PM

setting hw.vga.textmode should switch gfx fb on or off.

Harbormaster completed remote builds in B35121: Diff 80152.Nov 30 2020, 3:28 PM
tsoome updated this revision to Diff 80153.Nov 30 2020, 3:31 PM

left over screen-width after I did replace - by .
Use screen.depth instead of screen.width.

Harbormaster completed remote builds in B35122: Diff 80153.Nov 30 2020, 3:31 PM
tsoome updated this revision to Diff 80215.Dec 1 2020, 11:13 PM

clean up the hw.vga.textmode
clean up autoload_fonts
provide set of fonts into /boot/fonts

Harbormaster completed remote builds in B35150: Diff 80215.Dec 1 2020, 11:13 PM
bcr added a subscriber: bcr.Dec 2 2020, 8:57 AM

Found a missing word.
I look forward to have this feature, thanks for implementing it.

stand/fonts/INDEX.fonts
16

s/lang empty/lang is empty/

tsoome updated this revision to Diff 80222.Dec 2 2020, 9:23 AM
tsoome marked an inline comment as done.

s/lang empty/lang is empty/

Harbormaster completed remote builds in B35153: Diff 80222.Dec 2 2020, 9:23 AM
bcr accepted this revision as: manpages.Dec 2 2020, 9:27 AM

OK from manpages.

tsoome added a comment.Dec 2 2020, 10:10 AM

typo fixed

gbe added a subscriber: gbe.Dec 2 2020, 12:29 PM
imp added a comment.Dec 4 2020, 4:44 PM

For maximum compatibility, I'd strongly suggest that hw.vt.textmode=1 for BIOS implementations (at least for 13) since that's historic behavior and there's no where near enough time to gather additional data. Since we're deployed overwhelmingly to server systems, and server systems tend to be harder to recover from failure than laptop/desktop, I'd hope this goes in like that. Many console redirectors work in text mode, but fail in graphics mode, for example.

The rest of this patch is too long for me to meaningfully review, alas

tsoome updated this revision to Diff 80329.Dec 4 2020, 7:43 PM

default BIOS build to create text mode loader; however, this can be
changed by adding into /etc/src.conf:
BOOT_FRAMEBUFFER_MODE=yes

also, even while built default text mode, setting in loader.conf either:

hw.vga.textmode="0"

or

vbe_max_resolution=XxY

Will trigger the console mode to linear framebuffer mode.

Also, even when built with framebuffer mode as default, setting
hw.vga.textmode="1"
will change console to text mode.

Please note: UEFI only does have framebuffer, it does not provide text mode,
therefore there is no way to set text mode for UEFI.

tsoome added a comment.Dec 4 2020, 7:43 PM
In D27420#613954, @imp wrote:

For maximum compatibility, I'd strongly suggest that hw.vt.textmode=1 for BIOS implementations (at least for 13) since that's historic behavior and there's no where near enough time to gather additional data. Since we're deployed overwhelmingly to server systems, and server systems tend to be harder to recover from failure than laptop/desktop, I'd hope this goes in like that. Many console redirectors work in text mode, but fail in graphics mode, for example.

The rest of this patch is too long for me to meaningfully review, alas

ACK, the default build updated and compile time knob added.

Harbormaster completed remote builds in B35194: Diff 80329.Dec 4 2020, 7:44 PM
f0andrey_gmail.com added a subscriber: f0andrey_gmail.com.Dec 4 2020, 8:37 PM
tsoome updated this revision to Diff 80344.Dec 4 2020, 11:09 PM

fix 32 to 8-bit indexed color translation in gfx_fb_putimage.

The resulting image is not the prettiest as for now, we only have 16 colors
(and no alpha).

Harbormaster completed remote builds in B35200: Diff 80344.Dec 4 2020, 11:10 PM
kevans added a subscriber: kevans.Dec 5 2020, 1:48 AM
kevans added inline comments.
stand/i386/libi386/vbe.c
716

This one's still going to bite me, unfortunately; I apparently have lots of garbage, because I see a bunch of modes that we skip over then a long series of 0x0 modes following my absolute load of 0x101 entries. This would need to break instead of return or else it will never find my 8-bit modes without help since it always hits the safety while it searches for 32-bit.

kbowling added a subscriber: kbowling.Dec 5 2020, 1:52 AM
jkim added a subscriber: jkim.Dec 6 2020, 6:44 AM
tsoome updated this revision to Diff 80382.Dec 6 2020, 5:37 PM

fix userboot.
update FB to support 256 colors (CSI 38;5;Xm where x is [0..255])
gfx_fb_putimage should translate to 256 colors in 8-bit mode, use terminal
bg color when alpha=0.

Herald added a reviewer: bhyve. · View Herald TranscriptDec 6 2020, 5:37 PM
Herald added a subscriber: rgrimes. · View Herald Transcript
Harbormaster completed remote builds in B35213: Diff 80382.Dec 6 2020, 5:38 PM
tsoome updated this revision to Diff 80383.Dec 6 2020, 6:08 PM

vbe_find_mode_xydm() mode lookup loop was a bit broken.

Harbormaster completed remote builds in B35214: Diff 80383.Dec 6 2020, 6:09 PM
tsoome updated this revision to Diff 80386.Dec 6 2020, 6:23 PM

Add small comment.

Harbormaster completed remote builds in B35216: Diff 80386.Dec 6 2020, 6:23 PM
tsoome updated this revision to Diff 80387.Dec 6 2020, 6:27 PM

remove leftover line...

Harbormaster completed remote builds in B35217: Diff 80387.Dec 6 2020, 6:27 PM
kevans added inline comments.Dec 7 2020, 2:53 PM
stand/i386/libi386/vbe.c
928

This one could also use s/100/0x100/, but obviously not critical-

tsoome marked 2 inline comments as done.Dec 9 2020, 10:17 PM
tsoome updated this revision to Diff 80488.Dec 9 2020, 10:18 PM

fix safety constant.

Harbormaster completed remote builds in B35278: Diff 80488.Dec 9 2020, 10:18 PM
tsoome updated this revision to Diff 80489.Dec 9 2020, 11:18 PM

VGA text mode should install 8x16 font.

Harbormaster completed remote builds in B35279: Diff 80489.Dec 9 2020, 11:19 PM
val_packett.cool added a subscriber: val_packett.cool.Dec 12 2020, 3:49 PM

Notable side effect of setting kern.vt.fb.default_mode: switching from efifb to GPU fb does not increase resolution.
Fun effect with Radeon GPUs: a GOP mode with the wrong aspect ratio will be stretched, but GPU native framebuffer setting the same resolution via kern.vt.fb.default_mode will instead be pillarboxed :)

Big thanks for doing that though: this (in combination with a mainboard upgrade) has caused me to play with efi_max_resolution and gop mode setting and that led me to an interesting discovery about The Radeon EFIFB Conflict Bug™ (namely that it happens for me specifically with GOP mode 0, which is the "closest to native" — 2560x1440 on a 4k screen)

After booting with the font applied by the loader, applying a font with vidcontrol panics with a general protection fault:

[2] --- trap 0x9, rip = 0xffffffff8048f91d, rsp = 0xfffffe0115a76fe0, rbp = 0xfffffe0115a77010 ---
[2] free() at free+0x4d/frame 0xfffffe0115a77010
[2] vt_change_font() at vt_change_font+0x171/frame 0xfffffe0115a77060
[2] vtterm_ioctl() at vtterm_ioctl+0xf30/frame 0xfffffe0115a770b0
[2] termtty_ioctl() at termtty_ioctl+0xc5/frame 0xfffffe0115a77100
[2] tty_ioctl() at tty_ioctl+0x3b/frame 0xfffffe0115a77140
[2] ttydev_ioctl() at ttydev_ioctl+0x26d/frame 0xfffffe0115a77190
[2] devfs_ioctl() at devfs_ioctl+0xc7/frame 0xfffffe0115a771e0

Can the performance be improved? There's a noticeable delay before the screen with the images pops in. (Could that actually be time spent on mounting ZFS?) Somehow rEFInd draws its graphics much much quicker.

From a quick look at the code, the drawing API is tied to the character grid? :/
Would be cool to eventually add a different menu that shows like a minimal single line below the OEM logo (BGRT), and that logo has pixel coordinates.

trueos_norwegianrockcat.com added a subscriber: trueos_norwegianrockcat.com.Dec 14 2020, 2:41 PM
tsoome updated this revision to Diff 80961.Dec 19 2020, 8:07 PM

rewrite gfx backend to use GOP Blt-like function.

This means, for all GFX functions, we assume BGRA format color (4-bytes),
we only do translate data while reading from FB or writing to FB.

Harbormaster completed remote builds in B35544: Diff 80961.Dec 19 2020, 8:07 PM
tsoome updated this revision to Diff 80964.Dec 19 2020, 10:03 PM

use named constants

Harbormaster completed remote builds in B35546: Diff 80964.Dec 19 2020, 10:03 PM
tsoome updated this revision to Diff 81227.Dec 27 2020, 6:51 PM

Do not set kern.vt.fb.default_mode. This can be confusing for DRM drivers.

UEFI GOP should use Blt() only when there is no access to framebuffer.
Apparently Blt() on Lenovo x220 does not draw, so we should only use Blt()
in case when there is no memory mapped framebuffer.

Harbormaster completed remote builds in B35713: Diff 81227.Dec 27 2020, 6:51 PM
This revision was not accepted when it landed; it landed in state Needs Review.Jan 2 2021, 8:09 PM
Closed by commit rG3630506b9dae: loader: implement framebuffer console (authored by tsoome). · Explain Why
This revision was automatically updated to reflect the committed changes.
tsoome added a commit: rG3630506b9dae: loader: implement framebuffer console.
markmi_dsl-only.net added a subscriber: markmi_dsl-only.net.Jan 3 2021, 5:13 AM

This made the only amd64 FreeBSD system that I have access to display a blank
screen in the loader. It is a ThreadRipper 1950X system.

The camera recorded a \ with an underscore under it before the screen turned
completely blank. For the time with \, it did not seem to be changing.

Then there was a blank screen until . . .

The first image after the bank screen as captured by the
camera was the "Welcome to FreeBSD" display with selections 1.
to 5. and options 6. and 7. shown, where it also said:

  Autoboot in 0 seconds, hit [Enter] to boot or any other key [edge of picture]

Loading kernel...
/boot/kernel/kernel text= *** I OMIT DETAILS ON THIS LINE ***
*** I OMIT DETAILS ON THIS LINE ***
Loading configured modules...
/boot/entropy size=0x1000
/etc/hostid size=0x25
/

That last may just be timing of the imaging. (I used fast repeat
instead of video.)

The system is not configured to EFI boot FreeBSD. The FreeBSD boot media
has just:

# gpart show -p /dev/nvd2
=>        40  1875384928    nvd2  GPT  (894G)
          40        1024  nvd2p1  freebsd-boot  (512K)
        1064  1468006400  nvd2p2  freebsd-ufs  (700G)
  1468007464   402653184  nvd2p3  freebsd-swap  (192G)
  1870660648     4724320          - free -  (2.3G)

Adding:

hw.vga.textmode="1"

to /boot/loader.conf made no difference.

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Diff 80215

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contrib/pnglite/

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* The number of PHYSSEG entries must be one greater than the number * The number of PHYSSEG entries must be one greater than the number
* of phys_avail entries because the phys_avail entry that spans the * of phys_avail entries because the phys_avail entry that spans the
* largest physical address that is accessible by ISA DMA is split * largest physical address that is accessible by ISA DMA is split
* into two PHYSSEG entries. * into two PHYSSEG entries.
*/ */
#define VM_PHYSSEG_MAX 63 #define VM_PHYSSEG_MAX 63
/* /*
* Create two free page pools: VM_FREEPOOL_DEFAULT is the default pool * Create three free page pools: VM_FREEPOOL_DEFAULT is the default pool from
* from which physical pages are allocated and VM_FREEPOOL_DIRECT is * which physical pages are allocated and VM_FREEPOOL_DIRECT is the pool from
* the pool from which physical pages for page tables and small UMA * which physical pages for page tables and small UMA objects are allocated.
* objects are allocated. * VM_FREEPOOL_LAZINIT is a special-purpose pool that is populated only during
* boot and is used to implement deferred initialization of page structures.
*/ */
#define VM_NFREEPOOL 2 #define VM_NFREEPOOL 3
#define VM_FREEPOOL_DEFAULT 0 #define VM_FREEPOOL_LAZYINIT 0
#define VM_FREEPOOL_DIRECT 1 #define VM_FREEPOOL_DEFAULT 1
#define VM_FREEPOOL_DIRECT 2
/* /*
* Create up to three free page lists: VM_FREELIST_DMA32 is for physical pages * Create up to three free page lists: VM_FREELIST_DMA32 is for physical pages
* that have physical addresses below 4G but are not accessible by ISA DMA, * that have physical addresses below 4G but are not accessible by ISA DMA,
* and VM_FREELIST_ISADMA is for physical pages that are accessible by ISA * and VM_FREELIST_ISADMA is for physical pages that are accessible by ISA
* DMA. * DMA.
*/ */
#define VM_NFREELIST 3 #define VM_NFREELIST 3
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contrib/pnglite/LICENSE

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* The number of PHYSSEG entries must be one greater than the number * The number of PHYSSEG entries must be one greater than the number
* of phys_avail entries because the phys_avail entry that spans the * of phys_avail entries because the phys_avail entry that spans the
* largest physical address that is accessible by ISA DMA is split * largest physical address that is accessible by ISA DMA is split
* into two PHYSSEG entries. * into two PHYSSEG entries.
*/ */
#define VM_PHYSSEG_MAX 63 #define VM_PHYSSEG_MAX 63
/* /*
* Create two free page pools: VM_FREEPOOL_DEFAULT is the default pool * Create three free page pools: VM_FREEPOOL_DEFAULT is the default pool from
* from which physical pages are allocated and VM_FREEPOOL_DIRECT is * which physical pages are allocated and VM_FREEPOOL_DIRECT is the pool from
* the pool from which physical pages for page tables and small UMA * which physical pages for page tables and small UMA objects are allocated.
* objects are allocated. * VM_FREEPOOL_LAZINIT is a special-purpose pool that is populated only during
* boot and is used to implement deferred initialization of page structures.
*/ */
#define VM_NFREEPOOL 2 #define VM_NFREEPOOL 3
#define VM_FREEPOOL_DEFAULT 0 #define VM_FREEPOOL_LAZYINIT 0
#define VM_FREEPOOL_DIRECT 1 #define VM_FREEPOOL_DEFAULT 1
#define VM_FREEPOOL_DIRECT 2
/* /*
* Create up to three free page lists: VM_FREELIST_DMA32 is for physical pages * Create up to three free page lists: VM_FREELIST_DMA32 is for physical pages
* that have physical addresses below 4G but are not accessible by ISA DMA, * that have physical addresses below 4G but are not accessible by ISA DMA,
* and VM_FREELIST_ISADMA is for physical pages that are accessible by ISA * and VM_FREELIST_ISADMA is for physical pages that are accessible by ISA
* DMA. * DMA.
*/ */
#define VM_NFREELIST 3 #define VM_NFREELIST 3
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contrib/pnglite/README.md

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* The number of PHYSSEG entries must be one greater than the number * The number of PHYSSEG entries must be one greater than the number
* of phys_avail entries because the phys_avail entry that spans the * of phys_avail entries because the phys_avail entry that spans the
* largest physical address that is accessible by ISA DMA is split * largest physical address that is accessible by ISA DMA is split
* into two PHYSSEG entries. * into two PHYSSEG entries.
*/ */
#define VM_PHYSSEG_MAX 63 #define VM_PHYSSEG_MAX 63
/* /*
* Create two free page pools: VM_FREEPOOL_DEFAULT is the default pool * Create three free page pools: VM_FREEPOOL_DEFAULT is the default pool from
* from which physical pages are allocated and VM_FREEPOOL_DIRECT is * which physical pages are allocated and VM_FREEPOOL_DIRECT is the pool from
* the pool from which physical pages for page tables and small UMA * which physical pages for page tables and small UMA objects are allocated.
* objects are allocated. * VM_FREEPOOL_LAZINIT is a special-purpose pool that is populated only during
* boot and is used to implement deferred initialization of page structures.
*/ */
#define VM_NFREEPOOL 2 #define VM_NFREEPOOL 3
#define VM_FREEPOOL_DEFAULT 0 #define VM_FREEPOOL_LAZYINIT 0
#define VM_FREEPOOL_DIRECT 1 #define VM_FREEPOOL_DEFAULT 1
#define VM_FREEPOOL_DIRECT 2
/* /*
* Create up to three free page lists: VM_FREELIST_DMA32 is for physical pages * Create up to three free page lists: VM_FREELIST_DMA32 is for physical pages
* that have physical addresses below 4G but are not accessible by ISA DMA, * that have physical addresses below 4G but are not accessible by ISA DMA,
* and VM_FREELIST_ISADMA is for physical pages that are accessible by ISA * and VM_FREELIST_ISADMA is for physical pages that are accessible by ISA
* DMA. * DMA.
*/ */
#define VM_NFREELIST 3 #define VM_NFREELIST 3
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contrib/pnglite/pnglite.h

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* The number of PHYSSEG entries must be one greater than the number * The number of PHYSSEG entries must be one greater than the number
* of phys_avail entries because the phys_avail entry that spans the * of phys_avail entries because the phys_avail entry that spans the
* largest physical address that is accessible by ISA DMA is split * largest physical address that is accessible by ISA DMA is split
* into two PHYSSEG entries. * into two PHYSSEG entries.
*/ */
#define VM_PHYSSEG_MAX 63 #define VM_PHYSSEG_MAX 63
/* /*
* Create two free page pools: VM_FREEPOOL_DEFAULT is the default pool * Create three free page pools: VM_FREEPOOL_DEFAULT is the default pool from
* from which physical pages are allocated and VM_FREEPOOL_DIRECT is * which physical pages are allocated and VM_FREEPOOL_DIRECT is the pool from
* the pool from which physical pages for page tables and small UMA * which physical pages for page tables and small UMA objects are allocated.
* objects are allocated. * VM_FREEPOOL_LAZINIT is a special-purpose pool that is populated only during
* boot and is used to implement deferred initialization of page structures.
*/ */
#define VM_NFREEPOOL 2 #define VM_NFREEPOOL 3
#define VM_FREEPOOL_DEFAULT 0 #define VM_FREEPOOL_LAZYINIT 0
#define VM_FREEPOOL_DIRECT 1 #define VM_FREEPOOL_DEFAULT 1
#define VM_FREEPOOL_DIRECT 2
/* /*
* Create up to three free page lists: VM_FREELIST_DMA32 is for physical pages * Create up to three free page lists: VM_FREELIST_DMA32 is for physical pages
* that have physical addresses below 4G but are not accessible by ISA DMA, * that have physical addresses below 4G but are not accessible by ISA DMA,
* and VM_FREELIST_ISADMA is for physical pages that are accessible by ISA * and VM_FREELIST_ISADMA is for physical pages that are accessible by ISA
* DMA. * DMA.
*/ */
#define VM_NFREELIST 3 #define VM_NFREELIST 3
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contrib/pnglite/pnglite.c

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* The number of PHYSSEG entries must be one greater than the number * The number of PHYSSEG entries must be one greater than the number
* of phys_avail entries because the phys_avail entry that spans the * of phys_avail entries because the phys_avail entry that spans the
* largest physical address that is accessible by ISA DMA is split * largest physical address that is accessible by ISA DMA is split
* into two PHYSSEG entries. * into two PHYSSEG entries.
*/ */
#define VM_PHYSSEG_MAX 63 #define VM_PHYSSEG_MAX 63
/* /*
* Create two free page pools: VM_FREEPOOL_DEFAULT is the default pool * Create three free page pools: VM_FREEPOOL_DEFAULT is the default pool from
* from which physical pages are allocated and VM_FREEPOOL_DIRECT is * which physical pages are allocated and VM_FREEPOOL_DIRECT is the pool from
* the pool from which physical pages for page tables and small UMA * which physical pages for page tables and small UMA objects are allocated.
* objects are allocated. * VM_FREEPOOL_LAZINIT is a special-purpose pool that is populated only during
* boot and is used to implement deferred initialization of page structures.
*/ */
#define VM_NFREEPOOL 2 #define VM_NFREEPOOL 3
#define VM_FREEPOOL_DEFAULT 0 #define VM_FREEPOOL_LAZYINIT 0
#define VM_FREEPOOL_DIRECT 1 #define VM_FREEPOOL_DEFAULT 1
#define VM_FREEPOOL_DIRECT 2
/* /*
* Create up to three free page lists: VM_FREELIST_DMA32 is for physical pages * Create up to three free page lists: VM_FREELIST_DMA32 is for physical pages
* that have physical addresses below 4G but are not accessible by ISA DMA, * that have physical addresses below 4G but are not accessible by ISA DMA,
* and VM_FREELIST_ISADMA is for physical pages that are accessible by ISA * and VM_FREELIST_ISADMA is for physical pages that are accessible by ISA
* DMA. * DMA.
*/ */
#define VM_NFREELIST 3 #define VM_NFREELIST 3
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stand/forth/brand.4th

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stand/forth/color.4th

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stand/forth/frames.4th

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stand/forth/logo-orb.4th

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stand/forth/menu.4th

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stand/forth/support.4th

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stand/i386/libi386/Makefile

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stand/i386/libi386/bootinfo.c

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stand/i386/libi386/bootinfo32.c

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stand/i386/libi386/bootinfo64.c

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stand/i386/libi386/libi386.h

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stand/i386/libi386/vbe.h

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stand/i386/libi386/vbe.c

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stand/i386/libi386/vidconsole.c

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stand/i386/loader/Makefile

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stand/i386/loader/main.c

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stand/images/

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stand/images/Makefile

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stand/images/freebsd-brand-rev.png

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stand/images/freebsd-brand.png

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stand/images/freebsd-logo-rev.png

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stand/liblua/Makefile

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stand/liblua/lutils.c

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stand/libsa/printf.c

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stand/libsa/stand.h

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stand/loader.mk

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stand/lua/color.lua

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stand/lua/core.lua

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stand/lua/drawer.lua

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stand/lua/gfx-orb.lua

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sys/sys/font.h

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sys/teken/teken.h

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